دورية أكاديمية
Engineering a solid-state metalloprotein hydrogen evolution catalyst.
| العنوان: | Engineering a solid-state metalloprotein hydrogen evolution catalyst. |
|---|---|
| المؤلفون: | Rapson TD; Health and Biosecurity, CSIRO, Canberra, 2601, ACT, Australia. trevor.rapson@csiro.au., Ju H; Energy, CSIRO, 3169, Melbourne, VIC, Australia., Marshall P; Research School of Chemistry, Australian National University, Canberra, 2601, ACT, Australia., Devilla R; Agriculture and Food, CSIRO, Canberra, 2601, ACT, Australia., Jackson CJ; Research School of Chemistry, Australian National University, Canberra, 2601, ACT, Australia., Giddey S; Energy, CSIRO, 3169, Melbourne, VIC, Australia., Sutherland TD; Health and Biosecurity, CSIRO, Canberra, 2601, ACT, Australia. |
| المصدر: | Scientific reports [Sci Rep] 2020 Feb 28; Vol. 10 (1), pp. 3774. Date of Electronic Publication: 2020 Feb 28. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: London : Nature Publishing Group, copyright 2011- |
| مواضيع طبية MeSH: | Bees/*chemistry , Hydrogen/*chemistry , Insect Proteins/*chemistry , Metalloproteins/*chemistry , Protoporphyrins/*chemistry , Silk/*chemistry, Animals ; Bees/genetics ; Catalysis ; Insect Proteins/genetics ; Metalloproteins/genetics ; Protein Engineering ; Protoporphyrins/genetics ; Recombinant Proteins/chemistry ; Recombinant Proteins/genetics ; Silk/genetics |
| مستخلص: | Hydrogen has the potential to play an important role in decarbonising our energy systems. Crucial to achieving this is the ability to produce clean sources of hydrogen using renewable energy sources. Currently platinum is commonly used as a hydrogen evolution catalyst, however, the scarcity and expense of platinum is driving the need to develop non-platinum-based catalysts. Here we report a protein-based hydrogen evolution catalyst based on a recombinant silk protein from honeybees and a metal macrocycle, cobalt protoporphyrin (CoPPIX). We enhanced the hydrogen evolution activity three fold compared to the unmodified silk protein by varying the coordinating ligands to the metal centre. Finally, to demonstrate the use of our biological catalyst, we built a proton exchange membrane (PEM) water electrolysis cell using CoPPIX-silk as the hydrogen evolution catalyst that is able to produce hydrogen with a 98% Faradaic efficiency. This represents an exciting advance towards allowing protein-based catalysts to be used in electrolysis cells. |
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| المشرفين على المادة: | 0 (Insect Proteins) 0 (Metalloproteins) 0 (Protoporphyrins) 0 (Recombinant Proteins) 0 (Silk) 63AAN3JDZE (cobaltiprotoporphyrin) 7YNJ3PO35Z (Hydrogen) |
| تواريخ الأحداث: | Date Created: 20200301 Date Completed: 20201110 Latest Revision: 20240328 |
| رمز التحديث: | 20240329 |
| مُعرف محوري في PubMed: | PMC7048781 |
| DOI: | 10.1038/s41598-020-60730-y |
| PMID: | 32111964 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 2045-2322 |
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| DOI: | 10.1038/s41598-020-60730-y |