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Shi Y, Lei G, Zhou L, Li Y, Zhang X, Yang Y, Peng H, Peng R, Wang H, Cai X, Chen X, Wang M, Wang G. Nanocrystal Encapsulation, Release and Application Based on pH-Sensitive Covalent Dynamic Hyperbranched Polymers. Polymers (Basel) 2019; 11:polym11121926. [PMID: 31766705 PMCID: PMC6960846 DOI: 10.3390/polym11121926] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 11/15/2019] [Accepted: 11/19/2019] [Indexed: 11/22/2022] Open
Abstract
A new strategy for nanocrystal encapsulation, release and application based on pH-sensitive covalent dynamic hyperbranched polymers is described. The covalent dynamic hyperbranched polymers, with multi-arm hydrophobic chains and a hydrophilic hyperbranched poly(amidoamine) (HPAMAM) core connected with pH-sensitive imine bonds (HPAMAM–DA), could encapsulate CdTe quantum dots (QDs) and Au nanoparticles (NPs). Benefiting from its pH response property, CdTe QDs and Au NPs encapsulated by HPAMAM–DA could be released to aqueous phase after imine hydrolysis. The released CdTe/HPAMAM and Au/HPAMAM nanocomposites exhibited excellent biological imaging behavior and high catalytic activities on p-nitrophenol hydrogenation, respectively.
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Affiliation(s)
- Yunfeng Shi
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China
- Correspondence: (Y.S.); (G.W.)
| | - Gaiying Lei
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China;
| | - Linzhu Zhou
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China;
| | - Yueyang Li
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Xiaoming Zhang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Yujiao Yang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Han Peng
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Rui Peng
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Huichun Wang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Xiufen Cai
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Xinglong Chen
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Mengyue Wang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China; (Y.L.); (X.Z.); (Y.Y.); (H.P.); (R.P.); (H.W.); (X.C.); (X.C.); (M.W.)
| | - Gang Wang
- School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
- Correspondence: (Y.S.); (G.W.)
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Shi Y, Liu L, Zhang F, Niu M, Zhao Y, Fan Y, Liang Y, Liu M, Zhang Z, Wang J. Catalyst System for Hydrogenation Catalysis Based on Multiarm Hyperbranched Polymer Templated Metal (Au, Pt, Pd, Cu) Nanoparticles. Polymers (Basel) 2017; 9:E459. [PMID: 30965762 PMCID: PMC6418630 DOI: 10.3390/polym9090459] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 09/14/2017] [Accepted: 09/15/2017] [Indexed: 01/20/2023] Open
Abstract
With a hyperbranched poly(amidoamine) core and many water-soluble poly(ethylene glycol) monomethyl ether arms connected by pH-sensitive acylhydrazone bonds, multiarm hyperbranched polymer was used as nanoreactor and reductant to prepare metal nanoparticles endowed with intelligence and biocompatibility. The multiarm hyperbranched polymer encapsulated nanoparticles (NPs) showed excellent catalytic activity for hydrogenation, thus an excellent catalyst system for hydrogenation was established. The rate constants could reach as high as 3.48 L·s-1·m-2, which can be attributed to the lack of surface passivation afforded by the multiarm hyperbranched polymer.
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Affiliation(s)
- Yunfeng Shi
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China.
| | - Lixin Liu
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China.
| | - Fengyue Zhang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Mengyuan Niu
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Yanzhu Zhao
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Yifan Fan
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Yanping Liang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Mei Liu
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Zhenzhu Zhang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
| | - Junjie Wang
- School of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China.
- Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, China.
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Chen X, Tian X, Su B, Huang Z, Chen X, Oyama M. Au nanoparticles on citrate-functionalized graphene nanosheets with a high peroxidase-like performance. Dalton Trans 2014; 43:7449-54. [DOI: 10.1039/c3dt53316f] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Citrate-functionalized GNs were introduced as the support for AuNPs. Taking the advantages of GNs with large surface area and citrate ions with more carboxyl groups, the AuNPs/Cit-GNs composite exhibits high peroxidase-like catalytic ability.
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Affiliation(s)
- Xiaomei Chen
- College of Biological Engineering
- Jimei University
- Xiamen, China
- Department of Material Chemistry
- Graduate School of Engineering
| | - Xiaotian Tian
- College of Biological Engineering
- Jimei University
- Xiamen, China
| | - Bingyuan Su
- Xiamen Center for Disease Control and Prevention
- Xiamen, China
| | - Zhiyong Huang
- College of Biological Engineering
- Jimei University
- Xiamen, China
| | - Xi Chen
- State Key Laboratory of Marine Environmental Science
- Xiamen University
- Xiamen, China
| | - Munetaka Oyama
- Department of Material Chemistry
- Graduate School of Engineering
- Kyoto University
- Kyoto, Japan
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