scholarly journals Conformational analysis of bovine serum albumin adsorbed on halloysite nanotubes and kaolinite: a Fourier transform infrared spectroscopy study

RSC Advances ◽  
2016 ◽  
Vol 6 (76) ◽  
pp. 72386-72398 ◽  
Author(s):  
Valentina Della Porta ◽  
Emilia Bramanti ◽  
Beatrice Campanella ◽  
Maria Rosaria Tiné ◽  
Celia Duce

Clay minerals are widely used in pharmaceutical formulations, therefore studying how they interaction with proteins is important because they can alter their biological functions.

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Mingxiong Tan ◽  
Weijiang Liang ◽  
Xujian Luo ◽  
Yunqiong Gu

The interaction of evodiamine (Evo) with bovine serum albumins (BSAs) at different two temperatures (298 and 310 K) was investigated by means of fluorescence spectroscopy. The experimental results showed that Evo binds with BSA via a static quenching procedure with association constantsKof1.61×106 L/mol at 298 K and6.78×105 L/mol at 310 K. The number of bound Evo molecules per protein is 1.31 at 298 K and 1.33 at 310 K. The results suggested that Evo reacts with BSA chiefly through hydrophobic and electrostatic interactions, and it does not alter theα-helical nature of BAS.


RSC Advances ◽  
2016 ◽  
Vol 6 (109) ◽  
pp. 107452-107462 ◽  
Author(s):  
Hang Song ◽  
Chang Yang ◽  
Alula Yohannes ◽  
Shun Yao

In this work, silica gel (SiO2) was modified with an acidic ionic liquid (Im+·HSO4−) and the product was characterized using infrared spectroscopy, thermogravimetric analysis and elemental measurement.


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