Two-Dimensional Near-Infrared Correlation Spectroscopy Studies on Protein Denaturation.

Murayama, Kouichi; Wang, Yan; Tsenkova, Roumiana; Ozaki, Yukihiro

doi:10.1246/nikkashi.1999.637

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Biological Samples Proteins Phospholipids Etc1

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“…The detection of buried spectral bands was noted, and comparison was made to some chemometrics techniques. Murayama et al [155] reported in Japanese the 2D NIR study of ovalbumin denaturation process influenced by concentration under pH and temperature control. By using 2D correlation, the separation of overtone and combination bands became possible, as well as the removal of spectral contributions from water.…”

Section: Biological Samples Proteins Phospholipids Etcmentioning

confidence: 99%

Advances in two-dimensional correlation spectroscopy

Noda

2004

Vibrational Spectroscopy

238

149

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Section: Biological Samples Proteins Phospholipids Etcmentioning

confidence: 99%

Advances in two-dimensional correlation spectroscopy

Noda

2004

Vibrational Spectroscopy

238

149

View full text Add to dashboard Cite

The application of two‐dimensional correlation spectroscopy to surface and interfacial analysis

Dluhy

Shanmukh

Morita

2006

Surface & Interface Analysis

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Generalized two-dimensional correlation spectroscopy (2D COS) is a modern analytical tool that is increasingly being used in the interpretation of complex spectra that have broad, multiply overlapped spectral features. Besides functioning as a spectral resolution-enhancement tool similar to curvefitting or deconvolution, 2D COS possesses an additional advantage in that it is capable of discerning temporal relationships between intensity variations within a set of spectra. Infrared reflection-absorbance spectroscopy (IRRAS) at the air-water interface has been a very useful technique in studying the structure of biologically relevant molecules and the interaction between components of biological membranes in an environment close to what is found in nature. To better understand interfacial bio-mimetic structure, 2D COS can be applied to the IRRAS spectra to analyze changes in infrared intensities as a function of an environmental perturbation such as a change in temperature or surface pressure. To overcome some of the inherent limitations of the generalized 2D method, model-based approaches such as bn-and kn-correlation analyses and the global 2D phase angle method were developed. This review discusses some of the recent applications of these novel methods to Langmuir monolayers of phospholipids and proteins at the air-water interface and Langmuir-Blodgett polymer films.

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Two-Dimensional Near-Infrared Correlation Spectroscopy Studies on Protein Denaturation.

Cited by 2 publications

References 0 publications

Advances in two-dimensional correlation spectroscopy

Advances in two-dimensional correlation spectroscopy

The application of two‐dimensional correlation spectroscopy to surface and interfacial analysis

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