Catalytic Molecularly Imprinted Polymers Using Conventional Bulk Polymerization or Suspension Polymerization:  Selective Hydrolysis of Diphenyl Carbonate and Diphenyl Carbamate

2000 ◽  
Vol 122 (26) ◽  
pp. 6295-6296 ◽  
Author(s):  
Alexander G. Strikovsky ◽  
Dirk Kasper ◽  
Michael Grün ◽  
Bernard S. Green ◽  
Jiri Hradil ◽  
...  
2011 ◽  
Vol 121 (6) ◽  
pp. 3590-3595 ◽  
Author(s):  
Seyed Ahmad Mohajeri ◽  
Gholamreza Karimi ◽  
Javad Aghamohammadian ◽  
Mehdi Rajabnia Khansari

Polymers ◽  
2019 ◽  
Vol 11 (4) ◽  
pp. 602 ◽  
Author(s):  
Lulu Wang ◽  
Keke Zhi ◽  
Yagang Zhang ◽  
Yanxia Liu ◽  
Letao Zhang ◽  
...  

Three gossypol molecularly imprinted polymers (MIPs) were prepared by bulk polymerization (MIP1), surface layer imprinting using silica gel as the support (MIP2), and the sol-gel process (MIP3). The as-prepared MIPs were characterized by SEM and nitrogen adsorption−desorption techniques to study the morphology structure. The adsorption experiments exhibited that MIP1 had adsorption capacity as high as 564 mg·g−1. The MIP2 showed faster adsorption kinetics than MIP1 and MIP3. The adsorption equilibrium could be reached for gossypol in 40 min. A selectivity study showed that the adsorption capacity of MIPs for gossypol was about 1.9 times higher than that of the structurally-similar analogs ellagic acid and 6.6 times higher than that of the quercetin. It was found that the pseudo-second-order kinetic model and the Freundlich isotherm model were more applicable for the adsorption kinetics and adsorption isotherm of gossypol binding onto the MIP1 and MIP2, respectively. Results suggested that among those three, the MIP2 was a desirable sorbent for rapid adsorption and MIP1 was suitable for selective recognition of gossypol.


Heterocycles ◽  
2009 ◽  
Vol 78 (12) ◽  
pp. 2943
Author(s):  
Kiyoshi Ikeda ◽  
Takashi Katsumata ◽  
Yuji Sugiyama ◽  
Keisuke Miyamoto ◽  
Kiyoshi Tanaka ◽  
...  

2013 ◽  
Vol 12 (2) ◽  
pp. 63-69 ◽  
Author(s):  
Natalia Denderz ◽  
Jozef Lehotay

Abstract In this paper the thermodynamic analyses were used to calculate the contributions of entropic and enthalpic terms of the binding processes of selected derivatives of alkoxy-substituted phenylcarbamic acid (MEP) and phenolic acids (PAs) on the series of molecularly imprinted polymers (MIPs) and corresponding non-imprinted polymers (NIPs). All polymers were prepared by a bulk polymerization method with different porogens and functional monomers. The thermodynamic assessments were based on the quantification by HPLC measurements of the analytes tested in different mobile phases and at temperature range from 293 K to 333 K. The thermodynamic parameters were determined from the van’t Hoff plots - dependences between logarithms of the retention factors of studied analytes (ln k) and the inverse value of the temperature (1/T). Almost all data showed that enthalpic term was the dominating driving force for the investigated analytes.


2020 ◽  
pp. 174751982098037
Author(s):  
Jian-Xiong He ◽  
Huan-Yu Pan ◽  
Li Xu ◽  
Ri-Yuan Tang

Aflatoxins are extremely harmful carcinogens to humans and animals. In recent years, attention has been directed toward the application of molecular imprinting polymers for the separation and detection of aflatoxin. In this review, polymerization methods for the preparation of molecular imprinting polymers for aflatoxin detection, such as lump-bulk polymerization, spherical molecular imprinting polymer synthesis, surface-imprinted polymerization, and electropolymerization, are described. The applications of molecular imprinting polymers in solid-phase extraction, biosensors, and the surface-enhanced Raman detection of aflatoxin are also reviewed in this paper.


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