scholarly journals The Establishment of Bisphenol A Sensing System Utilizing Molecularly Imprinted Polymer Receptor and Electrochemical Determination

2011 ◽  
Vol 2011 ◽  
pp. 1-4 ◽  
Author(s):  
Izumi Kubo ◽  
Nobuyuki Yokota ◽  
Yuko Nakane ◽  
Yusuke Fuchiwaki
Keyword(s):  
Aqueous Solution ◽  
Bisphenol A ◽  
Electrochemical Detection ◽  
Molecularly Imprinted Polymer ◽  
Phosphate Buffer ◽  
Packed Column ◽  
Imprinted Polymer ◽  
Molecularly Imprinted ◽  
Sensing System ◽  
Anodic Peak Current

A sensing system of bisphenol A (BPA) based on the electrochemical detection utilizing molecularly imprinted polymer (MIP) as a receptor of BPA was investigated. MIP for BPA was polymerized thermally from 4-vinylpyridine as a functional monomer and ethylene dimethacrylate (EDMA) as a cross-linker and served to prepare an MIP packed column. BPA in an aqueous solution was adsorbed to an MIP packed column and eluted by acetonitrile/phosphate buffer (60/40, v/v). From aqueous solution, BPA was adsorbed to the column and eluted completely in the eluent. The eluted BPA was electrochemically detected by cyclic voltammetry. Optimum pH and scan rate were 7.0 and 0.1 V/s in phosphate buffer. Electrochemical detection of BPA in acetonitrile/phosphate buffer was performed, and linear relationship between BPA and anodic peak current was observed at the range of 10–100 μM. In the eluent, anodic peak current of BPA was observed around 650 mV.

Selective electrochemical detection of bisphenol A using a molecularly imprinted polymer nanocomposite

2019 ◽  
Vol 43 (3) ◽  
pp. 1536-1543 ◽  
Author(s):  
Haydar Ali ◽  
Soumita Mukhopadhyay ◽  
Nikhil R. Jana
Keyword(s):  
Bisphenol A ◽  
Electrochemical Detection ◽  
Molecularly Imprinted Polymer ◽  
Polymer Nanocomposite ◽  
Imprinted Polymer ◽  
Molecularly Imprinted

A molecularly imprinted nanocomposite with covalently connected polyacrylate, β-cyclodextrin and graphene is synthesized for selective capture and electrochemical detection of bisphenol A.

Sensing System for Bisphenol a Utilizing a Molecularly Imprinted Polymer Modified Electrode

2012 ◽  
Vol 452-453 ◽  
pp. 922-926 ◽  
Author(s):  
Izumi Kubo ◽  
Nobuyuki Yokota ◽  
Yuko Nakane
Keyword(s):  
Bisphenol A ◽  
Modified Electrode ◽  
Molecularly Imprinted Polymer ◽  
Gold Electrode ◽  
Thin Layers ◽  
Electrochemical Sensing ◽  
Cyclic Voltammogram ◽  
Imprinted Polymer ◽  
Molecularly Imprinted ◽  
Sensing System

In order to develop an electrochemical sensing system for bisphenol A, molecularly imprinted polymer (MIP) thin layers for bisphenol A were polymerized on a sputtered gold electrode by UV light irradiation for 2 – 30 min. Their thickness, which was determined by QCM analyzer, was 3.6 ±0.3 nm for 5min of irradiation and increased as the irradiation time increase to 30 min. AFM images of MIP modified surface suggested that the gold electrode was covered with MIP smooth layer. The responses to BPA and ascorbic acid of the gold electrode and MIP modified electrode were examined by cyclic voltammogram, and their anodic peaks were compared. The electrode with MIP polymerized for 5min showed more selective to BPA than that for 2min. This electrode can be served as BPA sensor and the anodic current of BPA depended on its concentration at the range of 5-15 μM.

Synthesizing a surface-imprinted polymer based on the nanoreactor SBA-15 for optimizing the adsorption of salicylic acid from aqueous solution by response surface methodology

2021 ◽  
Vol 45 (14) ◽  
pp. 6192-6205
Author(s):  
Haiqing Xu ◽  
Yuhang Gao ◽  
Qiantu Tao ◽  
Aiping Li ◽  
Zhanchao Liu ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Response Surface Methodology ◽  
Salicylic Acid ◽  
Response Surface ◽  
Molecularly Imprinted Polymer ◽  
Adsorption Property ◽  
Mesoporous Structure ◽  
Imprinted Polymer ◽  
Molecularly Imprinted ◽  
Ordered Mesoporous

The molecularly imprinted polymer prepared on the nanoreactor SBA-15 displayed excellent ordered mesoporous structure and superior adsorption property for salicylic acid.

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