نتایج جستجو برای: ft raman spectroscopy

تعداد نتایج: 206618  

2014
S. Inbasekaran R. Senthil G. Ramamurthy T. P. Sastry

A novel technique for glucose sensing using collagen based thin film and zinc oxide (ZnO) nanoparticles, the Zinc Oxide Collagen Glucose Sensor (ZnOCGS) presented here. The Zinc oxide is synthesized using the two medium namely treating with 1.Ethanediol medium (Ethylene glycol) and 2.Water medium. It is characterized using the analytical techniques such as Fourier Transform infrared spectroscop...

2016
Sagar Dhakal Kuanglin Chao Walter Schmidt Jianwei Qin Moon Kim Diane Chan

Turmeric powder (Curcuma longa L.) is valued both for its medicinal properties and for its popular culinary use, such as being a component in curry powder. Due to its high demand in international trade, turmeric powder has been subject to economically driven, hazardous chemical adulteration. This study utilized Fourier Transform-Raman (FT-Raman) and Fourier Transform-Infra Red (FT-IR) spectrosc...

2000
Vincent Baeten Ramón Aparicio

The European project FAIR-CT96-5053 concerned the application of the FT-Raman and infrared spectroscopy in food chemistry and quality control. Our research mainly concerned the study of the potential of Raman spectroscopy and the comparison with the results achieved in infrared spectroscopy. The discrimination of virgin olive oil from other edible oils, and the detection and quantification of v...

Journal: :international journal of bio-inorganic hybrid nanomaterials 0

in this paper functionalized multiwall carbon nanotubes (fmwcnt) were modified using doxycycline, containing reactable nitrogen, which can attach chemically to functionalized mwcnt. the synthesized nano compounds were characterized by fourier transform infrared spectroscopy (ft-ir) and raman spectroscopy. these spectrums proved the existence of nitrogen atoms of amide functional groups. the mor...

2000
Nancy T. Kawai James A. Janni

The last decade has brought much technical and commercial advancement in the field of Raman spectroscopy. More than ten years ago, the analytical community was immersed in the “Raman Renaissance” caused by the development and subsequent commercialization of FTRaman spectroscopy. The coupling of interferometry with 1064 nm Nd:YAG excitation enabled new applications of Raman where previous attemp...

Journal: :Analytical chemistry 2013
Chris J Bennett Stephen J Brotton Brant M Jones Anupam K Misra Shiv K Sharma Ralf I Kaiser

We discuss the novel design of a sensitive, normal-Raman spectrometer interfaced to an ultra-high vacuum chamber (5 × 10(-11) Torr) utilized to investigate the interaction of ionizing radiation with low temperature ices relevant to the solar system and interstellar medium. The design is based on a pulsed Nd:YAG laser which takes advantage of gating techniques to isolate the scattered Raman sign...

2011
Umesh P. Agarwal

Because of the structural complexity of biomass, quantitation of lignin in a variety of wood and plant cell walls is difficult. Consequently, to measure lignin in different plant species, a number of different methods exist. The methods can give different values for the same material samples and such differences result from the nature of the biomass. In the past, although there have been many a...

2014
Umesh P. Agarwal

Raman spectroscopy with its various special techniques and methods has been applied to study plant biomass for about 30 years. Such investigations have been performed at both macro- and micro-levels. However, with the availability of the Near Infrared (NIR) (1064 nm) Fourier Transform (FT)-Raman instruments where, in most materials, successful fluorescence suppression can be achieved, the utili...

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