Enzyme-directed pH-responsive exfoliation and dispersion of graphene and its decoration by gold nanoparticles for use as a hybrid catalyst
A non-destructive, safe and practical strategy to produce high quality graphene in high yield is urgently required, since this would pave the way for a wide range of applications of graphene in the future. Here we present a pH-responsive water-dispersible method for the exfoliation and functionaliza...
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| Veröffentlicht in: | Nano research 2013-09, Vol.6 (9), p.693-702 |
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| creator | Qu, Konggang Wu, Li Ren, Jinsong Qu, Xiaogang |
| description | A non-destructive, safe and practical strategy to produce high quality graphene in high yield is urgently required, since this would pave the way for a wide range of applications of graphene in the future. Here we present a pH-responsive water-dispersible method for the exfoliation and functionalization of graphene by using lysozyme. The pH-responsive dispersion of graphene may be useful for the reversible assembly of multicomponent/multifunctional nanohybrid materials and nanoscale electronic devices. More importantly, composites can be easily constructed through the interactions between disulphide groups in lysozyme and gold nanoparticles （AuNPs）. The resulting graphene-AuNPs composites show excellent catalytic activity towards reduction of o-nitroaniline by NaBH4. Since lysozyme is low cost and has antibacterial properties, and has been widely used in food preservation, medicine and the pharmaceutical industry, our approach may open a new scalable route for the manufacture of high-quality, nondestructive graphene for practical applications. |
| doi_str_mv | 10.1007/s12274-013-0345-3 |
| format | Article |
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Since lysozyme is low cost and has antibacterial properties, and has been widely used in food preservation, medicine and the pharmaceutical industry, our approach may open a new scalable route for the manufacture of high-quality, nondestructive graphene for practical applications.</description><subject>Aqueous solutions</subject><subject>Atomic/Molecular Structure and Spectra</subject><subject>Biomedicine</subject><subject>Biotechnology</subject><subject>Chemistry and Materials Science</subject><subject>Condensed Matter Physics</subject><subject>Dispersions</subject><subject>Electron microscopes</subject><subject>Enzymes</subject><subject>Exfoliation</subject><subject>Food preservation</subject><subject>Gold</subject><subject>Graphene</subject><subject>Graphite</subject><subject>Lysozyme</subject><subject>Materials 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dispersion of graphene and its decoration by gold nanoparticles for use as a hybrid catalyst</atitle><jtitle>Nano research</jtitle><stitle>Nano Res</stitle><addtitle>Nano Research</addtitle><date>2013-09-01</date><risdate>2013</risdate><volume>6</volume><issue>9</issue><spage>693</spage><epage>702</epage><pages>693-702</pages><issn>1998-0124</issn><eissn>1998-0000</eissn><abstract>A non-destructive, safe and practical strategy to produce high quality graphene in high yield is urgently required, since this would pave the way for a wide range of applications of graphene in the future. 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Since lysozyme is low cost and has antibacterial properties, and has been widely used in food preservation, medicine and the pharmaceutical industry, our approach may open a new scalable route for the manufacture of high-quality, nondestructive graphene for practical applications.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12274-013-0345-3</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1998-0124 |
| ispartof | Nano research, 2013-09, Vol.6 (9), p.693-702 |
| issn | 1998-0124 1998-0000 |
| language | eng |
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| source | Springer Online Journals - JUSTICE |
| subjects | Aqueous solutions Atomic/Molecular Structure and Spectra Biomedicine Biotechnology Chemistry and Materials Science Condensed Matter Physics Dispersions Electron microscopes Enzymes Exfoliation Food preservation Gold Graphene Graphite Lysozyme Materials Science Microscopy Nanocomposites Nanomaterials Nanoparticles Nanostructure Nanotechnology Oxidation Pharmaceutical industry pH响应性 Proteins Research Article 催化剂 分散体 溶菌酶 石墨 装饰用 金纳米粒子 金纳米颗粒 |
| title | Enzyme-directed pH-responsive exfoliation and dispersion of graphene and its decoration by gold nanoparticles for use as a hybrid catalyst |
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