Probing protein-induced membrane fouling with in-situ attenuated total reflectance fourier transform infrared spectroscopy and multivariate curve resolution-alternating least squares

2020 ◽  
Vol 183 ◽  
pp. 116052 ◽  
Author(s):  
Xiao-Yang Liu ◽  
Wei Chen ◽  
Han-Qing Yu
Keyword(s):  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Least Squares ◽  
Membrane Fouling ◽  
Multivariate Curve Resolution ◽  
Attenuated Total Reflectance ◽  
Total Reflectance ◽  
Induced Membrane ◽  
Curve Resolution

Observations of surface-mediated reduction of Pu(VI) to Pu(IV) on hematite nanoparticles by ATR FT-IR

2015 ◽  
Vol 103 (8) ◽  
Author(s):  
Hilary P. Emerson ◽  
Brian A. Powell
Keyword(s):  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Attenuated Total Reflectance ◽  
Mineral Surfaces ◽  
Hematite Nanoparticles ◽  
Total Reflectance ◽  
Ft Ir ◽  
First Time ◽  
Mediated Reduction

AbstractPrevious studies have shown that mineral surfaces may facilitate the reduction of plutonium though the mechanisms of the reduction are still unknown. The objective of this study is to use batch sorption and attenuated total reflectance Fourier transform infrared spectroscopy experiments to observe the surface-mediated reduction of plutonium on hematite nanoparticles. These techniques allow for in situ measurement of reduction of plutonium with time and may lead to a better understanding of the mechanisms of surface mediated reduction of plutonium. For the first time, ATR FT-IR peaks for Pu(VI) sorbed to hematite are measured at ∼ 916 cm

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