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One-bath synthesis of hydrophilic molecularly imprinted quantum dots for selective recognition of chlorophenol 被引量:2
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作者 Tai Ye Shi Yan Lu Qin Qin Hu Xin Jiang Guo Fen Wei Jing Jing Wang Jian Quan Lu 《Chinese Chemical Letters》 SCIE CAS CSCD 2011年第10期1253-1256,共4页
A simple one-bath strategy has been developed to synthesize a novel CdTe@SiO_2@MIP(molecularly imprinted and silica-functionalized CdTe quantum dots,MISFQDs),in which a silica shell was coated on the surface of CdTe... A simple one-bath strategy has been developed to synthesize a novel CdTe@SiO_2@MIP(molecularly imprinted and silica-functionalized CdTe quantum dots,MISFQDs),in which a silica shell was coated on the surface of CdTe quantum dots (CdTe@SiO_2 QDs) and then a polymer for selective recognition of 4-chlorophenol(4-CP) was constructed on the surface of CdTe@SiO_2 QDs using mercaptoacetic acid as stabilizer,3-aminopropyl-trimethoxysilane(APTES) as functional monomers and tetraethoxysilane(TEOS) as crosslink agent.The structures of CdTe@SiO_2@MIP were analyzed by ultraviolet-visible absorption. Fluorescence,FT-IR spectrum and powder X-ray diffraction.The application and characterization of the CdTe@SiO_2@MIP were investigated by experiments.All results indicated that the CdTe@SiO_2@MIP can selectively recognize 4-chlorophenol. 展开更多
关键词 molecularly imprinted functional CdTe quantum dots 4-CHLOROPHENOL Synthesis Recognition
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Synthesis and Adsorption Study of BSA Surface Imprinted Polymer on CdS Quantum Dots 被引量:1
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作者 唐苹苹 蔡继宝 苏庆德 《Chinese Journal of Chemical Physics》 SCIE CAS CSCD 2010年第2期195-200,I0002,共7页
A new bovine serum albumin (BSA) surface imprinting method was developed by the incorporation of quantum dots (QDs) into molecularly imprinted polymers (MIP), which can offer shape selectivity. Preparation and a... A new bovine serum albumin (BSA) surface imprinting method was developed by the incorporation of quantum dots (QDs) into molecularly imprinted polymers (MIP), which can offer shape selectivity. Preparation and adsorption conditions were optimized. Physical appearance of the QDs and QDs-MIP particles was illustrated by scanning electron microscope images. Photoluminescence emission of CdS was quenched when rebinding of the template.The quenching of photoluminescence emissions is presumably due to the fluorescence resonance energy transfer between quantum dots and BSA template molecules. The adsorption is compiled with Langmuir isotherm, and chemical adsorption is the rate-controlling step.The maximum adsorption capacity could reach 226.0 mg/g, which is 142.4 mg/g larger than that of undoped BSA MIP. This study demonstrates the validity of QDs coupled with MIP technology for analyzing BSA. 展开更多
关键词 quantum dots molecularly imprinted polymer Bovine serum albumin Langmuir isotherm
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Synthesis of bovine serum albumin imprinted Mn:ZnS quantum dots 被引量:1
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作者 Ming Bo Xu Tai Ye +3 位作者 Shi Yan Lu Qin Qin Hu Juan Zhou Jian Quan Lu 《Chinese Chemical Letters》 SCIE CAS CSCD 2012年第12期1403-1406,共4页
A novel bovine serum albumin (BSA) imprinted Mn-doped ZnS quantum dots (Mn:ZnS QDs) is firstly reported. The molecular imprinted polymer (MIP) functionalized Mn:ZnS QDs (Mn:ZnS @SiO2@MIP) include the prepar... A novel bovine serum albumin (BSA) imprinted Mn-doped ZnS quantum dots (Mn:ZnS QDs) is firstly reported. The molecular imprinted polymer (MIP) functionalized Mn:ZnS QDs (Mn:ZnS @SiO2@MIP) include the preparation of Mn:ZnS QDs, the coating of silica on the surface of Mn:ZnS QDs, and the functional polymerization by sol-gel reaction using 3-aminophenylboronic acid as the functional and cross-linking monomer in the presence of BSA (Mn:ZnS@SiO2@MIP-BSA), and then the elution of the imprinted BSA on the surface of Mn:ZnS@SiO2 QDs. The results showed that the phosphorescence of Mn:ZnS@SiO2@MIP is stronger quenched by BSA than that of non-imprinted one (Mn:ZnS@SiO2@NIP), indicating that the selectivity of the imprinted Mn:ZnS quantum dots toward BSA is superior to that of non-imprinted one. 展开更多
关键词 molecularly imprinted functional Mn:ZnS quantum dots BSA Synthesis
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