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Aziende</a></li>\n<li class=\"leaf last\"><a href=\"/en/commemorazioni\" title=\"\">Commemorazioni</a></li>\n</ul> </div>\n </div>\n\n </div>\n</div> <!-- /block -->\n<div id=\"block-block-13\" class=\"block \">\n <div class=\"block-inner\">\n\n <h2 class=\"block-title\">Iscrizioni</h2>\n \n <div class=\"block-content\">\n <div class=\"block-content-inner\">\n <p><a href=\"/sites/default/files/note_informative_2025.pdf\" target=\"_blank\">Note informative</a><br />\n<a href=\"/iscrizione/new\">Nuova iscrizione</a> <a href=\"/rinnovo/codice\">Rinnovo</a><br />\n<a href=\"/pagamenti\">Modalità di Pagamento</a><br />\n<b>Contatti:</b><br />\n<a href=\"mailto:webmaster@soc.chim.it\">Webmaster</a><br />\n<a href=\"mailto:ufficiosoci@soc.chim.it\">Ufficio Soci</a></p>\n </div>\n </div>\n\n </div>\n</div> <!-- /block -->\n </div>\n <div id=\"content\">\n <div class=\"breadcrumb\"><a href=\"/en\">Home</a></div> <h1 class=\"title\">Feed aggregator</h1> <div class=\"content-middle\"><div id=\"aggregator\">\n <div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"https://ilblogdellasci.wordpress.com/2025/12/01/levoluzione-della-concia-nel-tempo/\">L’evoluzione della concia nel tempo.</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/4\" class=\"feed-item-source\">BLOG: LA CHIMICA E LA SOCIETA'</a> -\n <span class=\"feed-item-date\">1 December, 2025 - 07:25</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><strong>Biagio Naviglio</strong></p>\n\n\n\n<p>L’attività della concia delle pelli è da ritenersi tra i mestieri più antichi della civiltà umana in quanto l’uomo ha imparato ben presto ad utilizzare la pelle degli animali macellati sia per proteggersi dal clima, sia per la realizzazione di manufatti utili come ripari.</p>\n\n\n\n<p>La produzione del cuoio, ottenuta dalle pelli degli animali che l’uomo utilizza a fini alimentari, è quindi una operazione molto antica, certamente catalogabile fra le “industrie” del paleolitico (età della pietra antica, da 3 milioni di anni fa al 10000 a.C.)) e legate alla cosiddetta “economia della preda”.</p>\n\n\n\n<p>Il processo di concia della pelle, che nasce come intervento conservativo del materiale nei riguardi della inevitabile putrefazione, tende a preservare nel tempo le sue intrinseche proprietà.</p>\n\n\n\n<p>La prima comunità riconosciuta che ha fabbricato i propri abiti è stata quella dei gruppi, nomadi e stanziali, di Neanderthaliani; vissuti tra il 200.000 a.C. e il 40.000 a.C., nel Paleolitico, i Neanderthaliani iniziarono a lavorare le pelli degli animali cacciati (mammuth, bisonti, lontre, scoiattoli, volpi, lupi) e a ripulirle dai brandelli di materia organica per utilizzarli come copertura. L’uso delle pellicce si rese necessario a causa dei repentini crolli di temperatura e del susseguirsi di periodi glaciali che determinarono anche lo spostamento di intere popolazioni.</p>\n\n\n\n<p>Secondo alcuni archeologi, nel Paleolitico medio si svilupparono alcuni sistemi per la stabilizzazione delle pelli come l’esposizione ai raggi del sole per ottenere l’essiccazione dei brandelli organici, la salatura delle pelli e il trattamento delle pelli con il materiale cerebrale degli animali abbattuti.</p>\n\n\n\n<p>Questo trattamento speciale consisteva nello spalmare le pelli raschiate con la sostanza cerebrale, midollo e grasso d’ossa degli animali abbattuti; le pelli raschiate, con raschietti di pietra ed osso, e poi spalmate venivano stese all’aria asciutta e pura delle regioni fredde settentrionali per poi “palissonarle” per renderle più morbide e più resistenti alla putrefazione.</p>\n\n\n\n<p>Il tessuto cerebrale presenta un contenuto relativamente elevato di lipidi che aiuta a spiegare perché ammorbidisce la pelle, la mantiene flessibile e la protegge dall’acqua. Un altro degli ingredienti attivi rilevanti per la “concia con il cervello” è la lecitina la quale è un fosfolipide naturale che agisce da emulsionante in virtù della sua componente idrofila e di quella lipofila. L’azione emulsionante della lecitina aiuta i lipidi, non solubili in acqua, a penetrare nell’intreccio fibroso della pelle.<a></a></p>\n\n\n\n<p><strong>Concia al fumo</strong></p>\n\n\n\n<p>Un altro tipo di concia primordiale è senza dubbio la “concia al fumo”. Questo sistema di concia si è sviluppato a poco a poco, dall’epoca in cui l’uomo ha imparato a produrre il fuoco ed a conservare la carne ed il pesce con l’affumicatura. L’affumicatura è un metodo di conservazione degli alimenti molto antico: si stima sia stata scoperta circa 90.000 anni fa, come naturale evoluzione del più antico metodo di essiccazione: si pensa, infatti, che i cibi appesi a essiccare nelle caverne siano stati involontariamente affumicati dal fuoco che l’uomo accendeva per riscaldarsi. La combustione lenta delle sostanze organiche, fatta col primitivo scopo si seccare la pelle ha portato alla concia con l’affumicatura.</p>\n\n\n\n<p>Il fumo è il prodotto della combustione lenta ed incompleta del legno, in assenza di fiamma ed in atmosfera povera di ossigeno.</p>\n\n\n\n<p>I principali composti, aventi un’azione determinante nell’affumicatura, si possono raccogliere nei seguenti gruppi: idrossi-composti: alcooli (alifatici) e fenoli (aromatici); composti carbonilici: aldeidi e chetoni ; acidi organici; terpeni e idrocarburi policiclici aromatici(IPA)</p>\n\n\n\n<p>La “concia al fumo” può essere considerata come una concia all’aldeide tenuto conto che la combustione delle foglie e/o dei rami produce, tra l’altro, sostanze di natura aldeidica in grado di reagire con il collagene della pelle. Inoltre, la combustione lenta ed incompleta del legno produce anche ulteriori sostanze ad azione conciante ed antimicrobica come i composti fenolici. In figura 1 è mostrato il meccanismo di reazione fra l’aldeide e il collagene</p>\n\n\n\n<img width=\"363\" height=\"192\" data-attachment-id=\"23938\" data-permalink=\"https://ilblogdellasci.wordpress.com/2025/12/01/levoluzione-della-concia-nel-tempo/image002-236/\" data-orig-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image002.png\" data-orig-size=\"363,192\" data-comments-opened=\"1\" data-image-meta=\""0"}\" data-image-title=\"image002\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image002.png?w=300\" data-large-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image002.png?w=363\" src=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image002.png?w=363\" alt=\"\" class=\"wp-image-23938\" srcset=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image002.png 363w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image002.png?w=150 150w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image002.png?w=300 300w\" sizes=\" 363px) 100vw, 363px\" />\n\n\n\n<p>Figura1: Meccanismo di reticolazione del collagene tramite la concia all’aldeide.</p>\n\n\n\n<p><strong>Concia vegetale</strong><strong></strong></p>\n\n\n\n<p>La concia al vegetale (concia al tannino), scoperta casualmente osservando la modifica della pelle a contatto con il liquido proveniente dal dilavamento di una corteccia tannifera, pur non essendo la più antica conosciuta dall’uomo acquistò nel corso dei secoli una importanza tale da rimanere, ancora oggi, uno dei più diffusi metodi di concia, in particolare, per certi tipi di articoli come, ad esempio, il cuoio suola. Chimicamente i tannini sono costituiti da polifenoli e quindi hanno un’elevata capacità antiossidante e di legarsi alle proteine; da migliaia di anni sono usati per conciare le pelli. I polifenoli, infatti, hanno la capacità di legarsi al collagene rendendolo più stabile nel tempo ovvero non più attaccabile dai batteri. I pellami così ottenuti sono uno dei materiali che hanno accompagnato lo sviluppo della nostra civiltà in ogni parte del mondo. I tannini si legano al collagene mediante legame idrogeno (figura 2).</p>\n\n\n\n<img width=\"350\" height=\"231\" data-attachment-id=\"23939\" data-permalink=\"https://ilblogdellasci.wordpress.com/2025/12/01/levoluzione-della-concia-nel-tempo/image004-121/\" data-orig-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image004.png\" data-orig-size=\"350,231\" data-comments-opened=\"1\" data-image-meta=\""0"}\" data-image-title=\"image004\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image004.png?w=300\" data-large-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image004.png?w=350\" src=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image004.png?w=350\" alt=\"\" class=\"wp-image-23939\" srcset=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image004.png 350w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image004.png?w=150 150w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image004.png?w=300 300w\" sizes=\" 350px) 100vw, 350px\" />\n\n\n\n<p>Figura 2: Meccanismo di reticolazione del collagene con i tannini</p>\n\n\n\n<p><strong>Concia minerale all’allume</strong></p>\n\n\n\n<p>La concia minerale all’allume è stata probabilmente fra i primi metodi di trattamento delle pelli usati dall’uomo tenuto conto che questo sale è abbastanza diffuso in natura, in particolare, in molte regioni vulcaniche. L’allume era conosciuto e utilizzato in epoca egiziana sia come mordente per la tintura delle pelli e delle fibre tessili sia per la concia.</p>\n\n\n\n<p>Sia in Egitto che in Mesopotamia l’allume veniva utilizzato assieme alla farina e giallo d’uovo</p>\n\n\n\n<p>L’uso dell’allume assieme alla farina e giallo d’uovo lo si ritrova anche nella classica concia glacè (concia bianca all’allume potassico) per la produzione di pelli per guanti); le pelli trattate con questo sistema danno un conciato bianco, pieghevole, soffice, con mano particolarmente morbida; caratteristica importante di queste pelli conciate è la grande adattabilità al movimento della mano che si chiude a pugno senza che questa debba vincere la minima resistenza.</p>\n\n\n\n<p>L’allume provoca l’effetto conciante, la farina ha funzione di riempimento, il sale impedisce il gonfiamento della pelle e il giallo d’uovo produce, grazie ai fosfatidi (o fosfolipidi) che contiene, un effetto ingrassante.</p>\n\n\n\n<p>Il meccanismo di reazione dei sali di alluminio trivalente con il collagene è mostrato nella figura 3</p>\n\n\n\n<img width=\"365\" height=\"127\" data-attachment-id=\"23940\" data-permalink=\"https://ilblogdellasci.wordpress.com/2025/12/01/levoluzione-della-concia-nel-tempo/image006-89/\" data-orig-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image006.png\" data-orig-size=\"365,127\" data-comments-opened=\"1\" data-image-meta=\""0"}\" data-image-title=\"image006\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image006.png?w=300\" data-large-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image006.png?w=365\" src=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image006.png?w=365\" alt=\"\" class=\"wp-image-23940\" srcset=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image006.png 365w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image006.png?w=150 150w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image006.png?w=300 300w\" sizes=\" 365px) 100vw, 365px\" />\n\n\n\n<p>Figura 3: Meccanismo di reticolazione dei composti di alluminio (III) con i gruppi carbossilici del collagene</p>\n\n\n\n<p><strong>La concia delle pelli dall’età moderna ad oggi</strong></p>\n\n\n\n<p>A partire dal secolo XIX, gli studi sulla fabbricazione del cuoio subirono un notevole incremento, al pari degli studi riguardanti tutte le altre tecnologie industriali.</p>\n\n\n\n<p>La scoperta della concia al cromo rappresentò una svolta nel settore; sostanzialmente, l’avvento della concia al cromo significò il passaggio dalla lavorazione della pelle di tipo artigianale a quello industriale.</p>\n\n\n\n<p>Nel 1853 il farmacista svedese Cavalin brevettò un procedimento secondo il quale si faceva assorbire alla pelle un sale di cromo esavalente e, dopo parziale essiccazione, si riduceva il bicromato con solfato ferroso. Si otteneva così una concia contemporanea con il sale di cromo e con quello di ferro ma in pratica il metodo non ebbe alcuna applicazione perché la concia al ferro prevaleva su quella al cromo ed il cuoio che si otteneva era piuttosto scadente. In ogni caso si trattava di una concia al cromo a due bagni con una scelta del riducente non adeguata.</p>\n\n\n\n<p>Nel 1883 Schultz, operaio tintore, pensò di applicare alle pelli il procedimento usato nella tintura delle fibre tessili e di trattare pertanto le pelli con bicromato di sodio, riducendolo, dopo assorbimento, con iposolfito di sodio. Questo sistema venne applicato industrialmente, anche se il cuoio che si otteneva non era molto soddisfacente.</p>\n\n\n\n<p>Nel 1893, Dennis brevettò in America un processo di concia al cromo ad un solo bagno in cui utilizzava sali basici di cromo; in ogni caso, soltanto dopo il 1930 cominciarono ad affermarsi i primi sali di cromo commerciali, già ridotti e complessati, pronti per l’uso immediato. Queste liscivie di cromo basiche, assicuravano regolarità e costanza; erano, inoltre, più facili da usare ed assai meno rischiose. La reazione del cromo trivalente con i gruppi carbossilici del collagene è riportata nella figura</p>\n\n\n\n<img loading=\"lazy\" width=\"425\" height=\"122\" data-attachment-id=\"23941\" data-permalink=\"https://ilblogdellasci.wordpress.com/2025/12/01/levoluzione-della-concia-nel-tempo/image008-63/\" data-orig-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image008.png\" data-orig-size=\"425,122\" data-comments-opened=\"1\" data-image-meta=\""0"}\" data-image-title=\"image008\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image008.png?w=300\" data-large-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image008.png?w=425\" src=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image008.png?w=425\" alt=\"\" class=\"wp-image-23941\" srcset=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image008.png 425w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image008.png?w=150 150w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image008.png?w=300 300w\" sizes=\" 425px) 100vw, 425px\" />\n\n\n\n<p>Figura 4: Reticolazione del cromo trivalente con il collagene nella pelle conciata al cromo (vedi nota esplicativa in fondo)</p>\n\n\n\n<p><strong>I sistemi di concia alternativi al cromo – alcuni esempi</strong></p>\n\n\n\n<p>Negli ultimi tempi a causa del potenziale impatto ambientale del cromo, si sono diffusi sistemi di concia alternativi a tale conciante(sali di fosfonio, ossazolidine, derivato triazinico, zeolite modificata, ecc.) in grado di eliminare e/o ridurre le problematiche emerse dall’impiego del cromo come ad esempio la potenziale ossidazione del cromo trivalente ad esavalente<a>.</a></p>\n\n\n\n<p>Più di recente, nell’ottica della strategia che mira a rendere l’Europa climaticamente neutra (“Green deal europeo”) con azioni su tutti i settori della nostra economia orientate verso uno sviluppo economico sostenibile attraverso una maggiore efficienza nell’uso delle risorse rinnovabili, anche nell’industria conciaria si sta sempre di più diffondendo l’uso di prodotti chimici da biomasse. Ad esempio, la concia con prodotti <em>biobased</em>, tipo quella che impiega l’estratto di foglie di olivo, ha trovato anche applicazione industriale.</p>\n\n\n\n<p>Nelle foglie di olivo i composti chimici che sono stati riscontrati riguardano i triterpeni, i secoiridoidi che sono derivati terpenici trai quali l’oleuropeina, i flavanoidi, i composti fenolici sostituiti come l’idrossitirosolo e sostanze apolari di vario genere (acidi grassi, alcani, alcol ed aldeidi). La molecola maggiormente presente nelle foglie di olivo, così come nelle sue drupe, è l’oleuropeina.</p>\n\n\n\n<p>L’oleuropeina è composta da un polifenolo come l’idrossitirosolo, da un secoiridoide chiamato acido elenolico e una molecola di glucosio (figura 5).</p>\n\n\n\n<img loading=\"lazy\" width=\"391\" height=\"202\" data-attachment-id=\"23943\" data-permalink=\"https://ilblogdellasci.wordpress.com/2025/12/01/levoluzione-della-concia-nel-tempo/image010-27/\" data-orig-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image010.png\" data-orig-size=\"391,202\" data-comments-opened=\"1\" data-image-meta=\""0"}\" data-image-title=\"image010\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image010.png?w=300\" data-large-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image010.png?w=391\" src=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image010.png?w=391\" alt=\"\" class=\"wp-image-23943\" srcset=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image010.png 391w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image010.png?w=150 150w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image010.png?w=300 300w\" sizes=\" 391px) 100vw, 391px\" />\n\n\n\n<p>L’oleuropeina è un agente retiicolante per il collagene; la reazione chimica proposta è rappresentata nella figura 6 in cui è possibile notare che la forma aglicone reagisce con i gruppi amminici della lisina.</p>\n\n\n\n<img loading=\"lazy\" width=\"459\" height=\"348\" data-attachment-id=\"23944\" data-permalink=\"https://ilblogdellasci.wordpress.com/2025/12/01/levoluzione-della-concia-nel-tempo/image012-15/\" data-orig-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image012.png\" data-orig-size=\"459,348\" data-comments-opened=\"1\" data-image-meta=\""0"}\" data-image-title=\"image012\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image012.png?w=300\" data-large-file=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image012.png?w=459\" src=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image012.png?w=459\" alt=\"\" class=\"wp-image-23944\" srcset=\"https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image012.png 459w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image012.png?w=150 150w, https://ilblogdellasci.wordpress.com/wp-content/uploads/2025/12/image012.png?w=300 300w\" sizes=\" 459px) 100vw, 459px\" />\n\n\n\n<p>Figura 6: Rappresentazione schematica del meccanismo di reazione ritenuto coinvolto nell’attivazione dell’oleuropeina nella forma aglicone, che reagisce con i gruppi amminici della lisina</p>\n\n\n\n<p><strong>Conclusioni</strong></p>\n\n\n\n<p>La concia è una attività antichissima che ha sfruttato le risorse naturali (allume, tannini, grassi, ecc.) che aveva a disposizione per trasformare la pelle grezza in cuoio (pelle conciata)</p>\n\n\n\n<p>Fino agli anni ’20 del secolo scorso la maggior parte dei prodotti chimici derivava dalle biomasse. In seguito, nel corso del secolo, a causa dello sviluppo dell’industria petrolchimica, la situazione è mutata con la conseguenza che solo una minima parte dei prodotti chimici deriva da fonti rinnovabili</p>\n\n\n\n<p>La lavorazione della pelle a livello industriale è avvenuta soltanto a partire dal secolo XIX; ciò anche perché la struttura non uniforme della materia prima, cioè la pelle grezza, ha influito sulla razionalità del processo produttivo</p>\n\n\n\n<p>La scienza del cuoio è sostanzialmente una scienza chimica e il suo maggior sviluppo si è avuto parallelamente al progresso che ha avuto la chimica</p>\n\n\n\n<p>Attualmente la chimica sostenibile o chimica verde si sta sempre di più diffondendo anche nell’industria conciaria</p>\n\n\n\n<p>Pertanto, il futuro della lavorazione della pelle è in qualche modo legato alla chimica sostenibile in termini di riduzione dei consumi idrici, energetici, ecc., e di utilizzo di prodotti chimici da fonti rinnovabili ai fini della realizzazione di cuoi sempre più ecocompatibili</p>\n\n\n\n<p><strong>Bibliografia</strong></p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Bravo G.A., Storia del cuoio e dell’arte conciaria, AICC, Torino 1964</li>\n\n\n\n<li>Zampiva F., L’arte della concia ad Arzignano- nel Vicentino nel Veneto e in Italia, Egida edizioni, 1997</li>\n\n\n\n<li>Karina Grömer , Gabriela Russ-Popa & Konstantina Saliari, Products of animal skin from Antiquity to the Medieval Period, Annalen des naturhistorischen Museums in Wien, January 2017</li>\n\n\n\n<li>Gansser A., Studio sulla presumibile concia all’età paleolitica, Cuoio, Pelli e Materie Concianti (CPMC), 13,10, 240-44, 1935</li>\n\n\n\n<li>Naviglio B., I Biopolimeri nell’industria conciaria, UNPAC, 2023</li>\n\n\n\n<li>Marx S., Zotzel J., Germann H.P., Banaszak S., A natural plant crosslinker from olive waste for leather tanning, XXXI IULTCS Congress Valencia (Spain) – September 27th-30th 2011</li>\n\n\n\n<li>Antunes A. P. M., Attenburrow G., Covington A.D., Ding J.,<strong> </strong>Utilisation of oleuropein as a crosslinking agent in collagenic films, I<em>nternational Union of Leather Technologists and Chemists Societies (IULTCS) Eurocongress II, Istanbul, Turkey, 24-27 May 2006</em></li>\n</ol>\n\n\n\n<p>Nota figura 4: La concia al cromo prevede l’impiego del cromo trivalente sotto forma di solfato basico di cromo. Lo ione Cr3+, in acqua, lega sei molecole di acqua formando lo ione esacquocromo. Il cromo può coordinare anche ioni OH– dei gruppi carbossilici del collagene che si trovano alla fine delle catene laterali dell’acido glutammico e dell’acido aspartico attraverso la reazione di <a href=\"https://it.wikipedia.org/wiki/Olazione\">olazione</a>. In questo modo si ha una reticolazione tra due o più catene polipeptidiche dato che generalmente i due amminoacidi appartengono a catene diverse. In sostanza, il legame che si stabilisce tra la pelle e il cromo è un legame di coordinazione tra lo ione cromo (III) ed i gruppi carbossilici ionizzati del collagene. Per avere l’effetto conciante è necessario che il cromo coordini due gruppi carbossilici appartenenti a due molecole diverse di collagene o a due catene della stessa molecola (la molecola di collagene è costituita da tre catene di amminoacidi avvolti a spirale).</p> </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC02437D\">Low indoor light-driven CO2 conversion into visible C4 bioplastic via homogeneous non-metal-based biohybrids under photoexcitation</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC02437D\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC02437D, PaperWenjing Wang, Mingzhi Zhang, Meng Guo, Jiaxin Wang, Xuelian Wang, Jianheng Yin, Liang Chen, Yaguang Li<br />A uniformly autotrophic K/O-CN–<em>R. eutropha</em> biohybrid was designed to efficiently convert CO2 into visible C4 bioplastics without the need for any auxiliary agents.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04584C\">Bi-doped directional spin-polarised electron injection modulates MBene surface d–d coupling to promote nitrogen reduction kinetics</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04584C\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04584C, PaperKun Cheng, Shaobin Li, Qingyu Cheng, Li Zhang, Yufeng Jiang, Fengbo Li, Xiaoqing Lv<br />Bi doping modulates Fe 3d orbital spin, directionally injecting electrons into Mo <em>via</em> d–d hybridization to adjust the Mo d-band center, enhancing ambient electrocatalytic nitrogen fixation for MBene heterostructure.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC05648A\">Divergent Electrosynthesis of Diketopiperazines and Amides</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <i><b>Green Chem.</b></i>, 2025, Accepted Manuscript<br /><b>DOI</b>: 10.1039/D5GC05648A, CommunicationAn-Li Long, Qiuhong Liang, Jianjing Yang, Ziping Cao, Kelu Yan, Dan Wang, Jiangwei Wen<br />The development of convenient and practical synthetic strategies for constructing bioactive diketopiperazines (DKPs) and amide scaffolds without metal residues is of great interest in organic synthesis. Herein, we report a...<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC05344G\">Chemically recyclable, fully biobased polyolefins with performance parity to low-density polyethylene</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC05344G\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC05344G, PaperWei Sun, Yuzhe Pang, Yucheng He, Zhenyang Luo, Puyou Jia, Yonghong Zhou, Ye Sha<br />We demonstrate a homopolymerization strategy for the controlled synthesis of fully biobased, high-molecular-weight polyolefins. These materials exhibit thermomechanical properties comparable to LDPE while being chemically recyclable.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC05274B\">Electrochemical reduction of sulfoxides to thioethers with hydrosilanes catalyzed by a recyclable ionic liquid</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <i><b>Green Chem.</b></i>, 2025, Accepted Manuscript<br /><b>DOI</b>: 10.1039/D5GC05274B, CommunicationZhaoxin Wei, Ziren Chen, Fei Xue, Bin Wang, Yu Xia, Shaofeng Wu, Yonghong Zhang, Weiwei Jin, Xuefeng Jiang, Chenjiang Liu<br />The first electrochemical reduction of sulfoxides to thioethers has been achieved using a recyclable ionic liquid as both catalyst and electrolyte, without metal catalysts, stoichiometric redox reagents, or external electrolytes....<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC05517B\">Engineering Oxygen Vacancies on Ceria via Vanadium Oxide Dispersion for Selective Photocatalytic Cleavage of Lignin C-C Bonds</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <i><b>Green Chem.</b></i>, 2025, Accepted Manuscript<br /><b>DOI</b>: 10.1039/D5GC05517B, PaperZupeng Chen, Yongqi Zhuang, Yuguo Dong, Yanmei Zheng, Wenjun Zhang, Lin Dong<br />Lignin, the most abundant natural aromatic polymer on Earth, offers a promising feedstock for the production of value-added aromatic products through selective C-C bond cleavage. However, achieving both high product...<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04585A\">Lithium extraction from spinel LiMn2O4 with simultaneous preparation of λ-MnO2 under mild conditions using sodium hypochlorite</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04585A\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04585A, Paper<img alt=\'Open Access\' src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/open_access_blue.png\' /> Open Access<a rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'> <img src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/CCBY.png\' alt=\'Creative Commons Licence\' border=\'none\' /></a>&nbsp This article is licensed under a <a text-decoration=\"none\" rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'>Creative Commons Attribution 3.0 Unported Licence.</a>Yanhui Kong, Yutaro Takaya, Mauricio Córdova-Udaeta, Chiharu Tokoro<br />Lithium extraction from spinel LiMn2O4 is important because it is both a mainstream LIB cathode and a key precursor for λ-MnO2, which is widely used for selective lithium extraction from brines and seawater.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04694G\">A Sweet Flow: HMF Production and in-situ Valorization into valuable nitrile-containing compound via Telescopic Flow Chemistry</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <i><b>Green Chem.</b></i>, 2025, Accepted Manuscript<br /><b>DOI</b>: 10.1039/D5GC04694G, PaperJulian Sánchez Velandia, Mattia. Aannatelli, Cristopher Tinajero, Marcileia Zanatta, Victor Sans, Fabio Aricò, Eduardo Garcia-Verdugo<br />A biorefinery strategy is reported, applying telescopic flow chemistry for the efficient conversion of sugar-derived biomass, specifically D-fructose, into valuable nitrile-containing compounds. The approach relies on the use of Task-Specific...<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04714E\">The catalytic conversion of fructose to difructose anhydride</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04714E\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04714E, Paper<img alt=\'Open Access\' src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/open_access_blue.png\' /> Open Access<a rel=\'license\' href=\'http://creativecommons.org/licenses/by-nc/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'> <img src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/CCBY-NC.png\' alt=\'Creative Commons Licence\' border=\'none\' /></a>&nbsp This article is licensed under a <a text-decoration=\"none\" rel=\'license\' href=\'http://creativecommons.org/licenses/by-nc/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'>Creative Commons Attribution-NonCommercial 3.0 Unported Licence.</a>Isabel Hortal-Sánchez, Faysal Ibrahim, Edgard A. Lebrón-Rodríguez, Fabiola Y. Rodríguez-Rodríguez, Grace Gooley, Ruining Ma, Matias Alvear, Ive Hermans, Nelson Cardona-Martínez<br />The production of difructose anhydride (DFA) from fructose under mild conditions, in a green/bio-derived solvent. Crystal structure created with VESTA, <em>J. Appl. Crystallogr.</em>, 2011, <strong>44</strong>, 1272–1276.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC05283A\">Avoiding tomorrow's chemical mistakes today</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC05283A\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC05283A, Perspective<img alt=\'Open Access\' src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/open_access_blue.png\' /> Open Access<a rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'> <img src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/CCBY.png\' alt=\'Creative Commons Licence\' border=\'none\' /></a>&nbsp This article is licensed under a <a text-decoration=\"none\" rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'>Creative Commons Attribution 3.0 Unported Licence.</a>Jeroen B. Guinée, Martina G. Vijver<br />Advancing SSbD requires an effective and efficient regulatory-based data strategy to improve data availability and quality for safety assessments and LCA; without it, new methods may merely become empty promises that avoid the real issue.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC02751A\">Comparative life cycle assessment study of virgin polyethylene and bio-polyethylene, with recycled polyethylene from uncontaminated post-industrial film</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <i><b>Green Chem.</b></i>, 2025, Accepted Manuscript<br /><b>DOI</b>: 10.1039/D5GC02751A, PaperAhdo Kim, Teuku Naraski Zahari, Nobuteru Edayoshi, Pin Juo Chou, Toshiki Yamamoto, Pin Yen Chou, Kei Saito, Benjamin Craig McLellan<br />Petroleum-derived plastics are widely used but rely on non-renewable resources and contribute to environmental degradation during production. Recycling and the adoption of bio-based plastics offer potential solutions within the framework...<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04752H\">An applied machine learning framework for waste lithium-ion battery leaching with integrated preliminary environmental and economic assessment</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04752H\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04752H, PaperAndré Nogueira, Filipe H. B. Sosa, Ana C. Dias, João A. P. Coutinho, Nicolas Schaeffer<br />Data-driven LIB recycling: a new ML framework predicts metal leaching yields and evaluates process sustainability through integrated economic and environmental impact assessments.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC03953C\">Polyetherureas as aqueous binders for Li ion batteries</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC03953C\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC03953C, Paper<img alt=\'Open Access\' src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/open_access_blue.png\' /> Open Access<a rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'> <img src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/CCBY.png\' alt=\'Creative Commons Licence\' border=\'none\' /></a>&nbsp This article is licensed under a <a text-decoration=\"none\" rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'>Creative Commons Attribution 3.0 Unported Licence.</a>Garima Saini, Mei Jun Tan, Maximillian G. Stanzione, Ketan Pancholi, Harini Sampathkumar, Matthew Walker, Charlie Patterson, Massimo Vassalli, Aaron B. Naden, Oxana V. Magdysyuk, Jiyu Tian, A. Robert Armstrong, Amit Kumar<br />This study presents polyetherureas, synthesized <em>via</em> a green, diisocyanate-free route, as a novel aqueous binder for LiFePO4 cathodes in lithium-ion batteries, showing comparable performance to conventional CMC binders. Image created partly using Google Gemini.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04739K\">An electrochemically promoted modular synthesis of diverse glycomimetics via acyloxyphosphonium ions</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04739K\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04739K, PaperYi-Min Jiang, Cheng-Lin Ding, Guizhen Zhang, Hongbao Sun, Jie Liu<br />A mild, modular electrochemical method constructs glycomimetics by linking sugars to target molecules. This iodine-mediated, metal- and oxidant-free strategy features a broad substrate scope for efficient bioactive compound synthesis.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04622J\">Metal-free stereoselective C(sp3)–H indolation of N-heterocycles to potent antimicrobial non-canonical tryp–pro hybrids</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04622J\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04622J, PaperSubhajit Saha, Soumya Ranjan Bag, Abdul Akhir, Deepanshi Saxena, Rahul Maitra, Sidharth Chopra, Chandan K. Jana<br />Direct diastereoselective C–H indolations of N-heterocycles under metal and oxidant-free conditions have been developed for one-step access to enantioenriched indolyl N-heterocycles as new antibacterial scaffolds against multidrug-resistant strains.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04571A\">The stepwise construction of polyoxovanadate-based Zn-MOF nanoparticles with Lewis acid sites for the one-pot synthesis of N-heterocycles in air</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04571A\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04571A, PaperMaochun Zhu, Xue Bai, Yanli Yang, Ange Zhang, Siyue Wang, Chengyu Sun, Ying Lu, Bin Li, Shuxia Liu<br />The six-coordinated Zn2+ in polyoxovanadate-based Zn-MOF (<strong>1</strong>) was tuned to a four-coordinated nanosized <strong>2-NP</strong> (50 nm), which exhibited enhanced catalytic activity for the one-pot aerobic oxidation synthesis of benzimidazoles and quinazolinones.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC04080A\">A green and efficient strategy for leaching critical metals from spent LiNixCoyMnzO2 cathodes: modulating the dielectric SiO2 contact-electro-catalytic activity</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC04080A\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC04080A, PaperMan Yang, Shuhao Qin, Youchang Yang, Mingmi Wu, Ting Lei, Yufei Liu, Huiju Shao<br />This work developed a CEC-leaching process for efficient and eco-friendly recycling of spent LIB cathodes, which avoids secondary pollution, reduces energy and reagent consumption, and aligns with green chemistry and circular economy principles.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC05060J\">Electrochemical metal-free functionalization of ArCF3: efficient construction of C–S, C–Se, C–D, C–H, and C–C bonds</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC05060J\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC05060J, CommunicationZhimin Xu, Zonghao Zhou, Xiaochen Wang, Yuxia Yang, Yi Pan, Yi Wang<br />A strategy for electrochemical defluorinative functionalization of ArCF3 is presented, providing access to C–S, C–Se, C–H, C–D, and C–C bonds.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n<div class=\"feed-item\">\n <h3 class=\"feed-item-title\">\n <a href=\"http://pubs.rsc.org/en/Content/ArticleLanding/2025/GC/D5GC03562G\">Photocatalytic upcycling of PET into methane, hydrogen and high-value liquid products</a>\n </h3>\n\n <div class=\"feed-item-meta\">\n <a href=\"/en/aggregator/sources/2\" class=\"feed-item-source\">Chemical News</a> -\n <span class=\"feed-item-date\">30 November, 2025 - 15:47</span>\n </div>\n\n <div class=\"feed-item-body\">\n <p><img align=\"center\" src=\"/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=D5GC03562G\" /></p><i><b>Green Chem.</b></i>, 2025, Advance Article<br /><b>DOI</b>: 10.1039/D5GC03562G, Paper<img alt=\'Open Access\' src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/open_access_blue.png\' /> Open Access<a rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'> <img src=\'http://sod-a.rsc-cdn.org/pubs.rsc-uat.org/content/NewImages/CCBY.png\' alt=\'Creative Commons Licence\' border=\'none\' /></a>&nbsp This article is licensed under a <a text-decoration=\"none\" rel=\'license\' href=\'http://creativecommons.org/licenses/by/3.0/\' target=\'_blank\' title=\'This link will open in a new browser window\'>Creative Commons Attribution 3.0 Unported Licence.</a>Madeline Weisweiller, Adrian Ertl, Cornelia von Baeckmann, Anil Kumar Sihag, Christian M. Pichler, Freddy Kleitz, Dominik Eder, Alexey Cherevan<br />We systematically study the key process parameters of polyethylene terephthalate (PET) microplastic photoreforming. We uncover that not only hydrogen (H2) but also methane (CH4) is generated and provide valuable mechanistic insights into the process.<br />To cite this article before page numbers are assigned, use the DOI form of citation above.<br />The content of this RSS Feed (c) The Royal Society of Chemistry </div>\n\n\n</div>\n <div class=\"item-list\"><ul class=\"pager\"><li class=\"pager-first first\"><a href=\"/en/aggregator\" title=\"Go to first page\" class=\"active\">« first</a></li>\n<li class=\"pager-previous\"><a href=\"/en/aggregator?page=4\" title=\"Go to previous page\" class=\"active\">‹ previous</a></li>\n<li class=\"pager-ellipsis\">…</li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=1\" title=\"Go to page 2\" class=\"active\">2</a></li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=2\" title=\"Go to page 3\" class=\"active\">3</a></li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=3\" title=\"Go to page 4\" class=\"active\">4</a></li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=4\" title=\"Go to page 5\" class=\"active\">5</a></li>\n<li class=\"pager-current\">6</li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=6\" title=\"Go to page 7\" class=\"active\">7</a></li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=7\" title=\"Go to page 8\" class=\"active\">8</a></li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=8\" title=\"Go to page 9\" class=\"active\">9</a></li>\n<li class=\"pager-item\"><a href=\"/en/aggregator?page=9\" title=\"Go to page 10\" class=\"active\">10</a></li>\n<li class=\"pager-ellipsis\">…</li>\n<li class=\"pager-next\"><a href=\"/en/aggregator?page=6\" title=\"Go to next page\" class=\"active\">next ›</a></li>\n<li class=\"pager-last last\"><a href=\"/en/aggregator?page=12\" title=\"Go to last page\" class=\"active\">last »</a></li>\n</ul></div></div>\n</div>\n \n\n\n\n\n \n</div> <!-- end content -->\n\n<div style=\"clear:both\"></div>\n</div> <!-- end wrapper -->\n\n\n \n<div style=\"clear:both\"></div>\n<div id=\"footer-wrapper\">\n<div id=\"footer\">\n </div>\n</div> <!-- end footer wrapper -->\n\n<div style=\"clear:both\"></div>\n<div id=\"notice\"><p>Copyright © 2012 Società Chimica Italiana. 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Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC05920H, PaperJuntao Wang, Nuno Batalha, Ping Chen, Penghui Yan, Jennifer Adami, Birgitta Elisabeth E. Ebert, Muxina Konarova
Lignin valorization faces a critical trilemma: achieving high recovery yields, preserving labile β-O-4 linkages, and maintaining the process under mild conditions. This study resolves this challenge through an innovative binary...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC05645D, PaperYing Wang, Jiayu Liu, Xinyan Fan, Yonggui Wang, Zefang Xiao, Yanjun Xie
Carbon dots (CDs) are considered effective nanomaterials for photoconversion because of their distinct physical and optical characteristics, especially their ability to reduce aggregation-caused quenching (ACQ). The hydrothermal/solvothermal method is the...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC04388C, PaperShifei Kang, Chenjun Lei, Chenjie Ding, Lasse H. Klausen, Bianxiao Cui, Lifeng Cui
As one of the most popular advanced oxidation technologies, Fenton reaction is widely used in industrial wastewater treatment. However, the conventional Fenton process requires continuous H2O2 addition and a highly...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC05126F, PaperJiayuan Li, Daoshun Chen, Chanjuan Xi
Visible-light-induced dicarboxylation of alkynes with carbon dioxide (CO2) and formate for the synthesis of succinic acids has been developed. The formate salt acts as both a carboxyl source and reductant...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC05521K, PaperDingyi Wang, Meiqi Zhu, Hangyu Zhou, You Su, Zheng-Jun Wang, Yikun Chen, Xingyu Xu
A readily accessible o-alkyl nitroarenes have been developed for the divergent synthesis of heterocycles via temperature-controlled, base-mediated reductive cyclization. This protocol enables the rapid and selective transformation of o-alkyl nitroarenes...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC05472A, PaperJiashi Zhu, Xueshuang Wu, Haiqing Cai, Li Li, Jing Yang, Hanyi Liu, Jianli Wang, Guiying Li, Changwei Hu
Dry reforming of methane (DRM) provides a promising strategy for combating global warming by concurrently converting the two greenhouse gases, CH4 and CO2, to value-added syngas. To advance its industrial...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC04516A, Critical ReviewYan Zhong, Feng Liu, Chengyu Fang, Qi Huang, Xubo Huang, Chunxian Guo
Paired electrolysis provides a promising route for efficiently integrating value-added cathodic reduction with anodic oxidation reactions. This coupling strategy can boost energy efficiencies and concurrently yield valuable products from both...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC04515K, PaperHairui Guo, Yan Sun, Huiling Liu, Cheng Wang
The critical challenge of low polyethylene terephthalate (PET) recycling rates necessitates efficient upcycling methods. Electrocatalytic ethylene glycol oxidation (EGOR) offers a sustainable route to upgrade PET-derived EG into valuable chemicals...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC04354A, PaperXiaohan Jin, Yaru Li, Nannan Chen, Ying Yang, Kunyu Xu, Jinzhuang Guo, Liming Dong, Jun Li, He Liu, Aijun Guo
The slow desolvation and interfacial transport dynamics of Zn2+ present significant challenges for aqueous zinc-ion capacitors (AZICs), adversely affecting their performance and durability. Drawing inspiration from natural zinc transport proteins,...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC04772B, Paper
Open Access
  This article is licensed under a
Creative Commons Attribution 3.0 Unported Licence.Jorge González-Rodríguez, Valentina Jurkaš, Eva Puchľová, Maren Podewitz, Fabio Parmeggiani, Margit Winkler, Peter Both, Peter Šiška, Florian Rudroff
Pyrazines are pivotal flavor compounds with widespread applications in the food, pharmaceutical, and chemical industries.Their natural abundance is low, and traditional synthetic methods often involve hazardous conditions unsuitable for the...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC05552K, Critical ReviewDoaa Sallam, Basamat S Shaheen, Nageh Allam
Since the Industrial Revolution, atmospheric carbon dioxide (CO₂) levels have increased by nearly 40%, emphasizing the urgent need for scalable and energy-efficient carbon capture solutions. Traditional absorption and adsorption technologies,...
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,15225-15235
DOI: 10.1039/D5GC05177K, PaperJing He, Weilai Zhang, Haiyan Huang, Ruyu Cai, Yingxue Cui, Yingcheng Wu, Xiantai Zhou, Huaming Li, Wei Jiang
A unique PWNTs-liquid has been developed, comprising POM-based single-walled nanotubes and a bulky bis-imidazolium-based IL. The PWNTs-liquid could extract thiophene sulfur and convert it into sulfone products with high economic added value.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,15211-15224
DOI: 10.1039/D5GC04872A, PaperBin Yang, Jing Li, Jingfeng He, Lingtao Zhu, Shihai Guo, Song Zhang
A biodegradable, environmentally friendly, and highly selectively polysaccharide depressant PG modulates the interfacial properties between apatite and dolomite, thereby enabling the efficient flotation separation of these two minerals.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025, Advance Article
DOI: 10.1039/D5GC04611D, PaperBasavarajagouda E. Patil, Rahul Tarkase, Rajdeep Paul, Gopalan Rajaraman, Deepti Kalsi
The development of environmentally benign photocatalytic methodologies for [2 + 2] cycloadditions is of significant interest, given their utility in accessing cyclobutane motifs found in natural products and pharmaceuticals.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,14978-15001
DOI: 10.1039/D5GC03714J, Critical ReviewJaime J. M. Pang, Yan Hui Lee, Haonan Zhao, Albert Ong, Jason Y. C. Lim
In this review, we examine the possibility of using mixed and/or contaminated plastic feedstock for chemical recycling, upcycling and formation of physical polymer blends.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,15161-15173
DOI: 10.1039/D5GC04228C, Paper
Open Access
  This article is licensed under a
Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Parsa Pishva, Jinyao Tang, Yanlin Zhu, Jochen Lauterbach, Zhenmeng Peng
Energy-efficient hydrogenolysis of pure and waste HDPE
via NTP at ambient conditions achieves complete conversion within minutes into C1–C4 hydrocarbons and waxes, reaching a record 8.2 output/input energy ratio and 2.7 ¢kg−1 electricity cost.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,15186-15191
DOI: 10.1039/D5GC04392A, Paper
Open Access
  This article is licensed under a
Creative Commons Attribution 3.0 Unported Licence.Edward P. Rayner, Tomas Horsten, Siegfried R. Waldvogel
Shellac, a bioresin secreted by insects, is electrochemically degraded to obtain value-added dicarboxylic acids.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,15074-15080
DOI: 10.1039/D5GC05046D, CommunicationBin Wang, Zekun Li, Hua Cao
A novel metal- and base-free controllable tandem cyclization/rearrangement strategy for divergent synthesis of CF3-containing 1-(aminomethyl)naphthalen-2-ols and 1-(2-naphthyl)azetidines is established.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,15061-15066
DOI: 10.1039/D5GC05418D, CommunicationJianyou Zhao, Jiaoyang Liu, Zhe Zhang, Chengling Deng, Shengkang Qian, Zhehuai Liu, Fan Wang, Shuai Liu, Zhong-Quan Liu
We herein report a Cu-electrocatalyzed strategy for selective azidation of tertiary and benzylic C(sp3)–H bonds, affording the corresponding azides in consistently high yields.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green Chem., 2025,
27,15067-15073
DOI: 10.1039/D5GC04231C, Communication
Open Access
  This article is licensed under a
Creative Commons Attribution 3.0 Unported Licence.Hefei Yang, Le-Cheng Wang, Yuanrui Wang, Xiao-Feng Wu
Herein, we report a photocatalytic carbonylative carboxylation strategy for alkenes, achieving the cooperative utilization of both CO and CO2 as C1 building blocks within a single reaction system.
The content of this RSS Feed (c) The Royal Society of Chemistry
