نتایج جستجو برای: ft ir spectroscopy
تعداد نتایج: 238798 فیلتر نتایج به سال:
Super-resolved FT-IR spectroscopy: Strategies, challenges, and opportunities for membrane biophysics
The choice of the type of background spectrum affects the credibility of open-path Fourier transform infrared spectroscopy (OP/FT-IR) data, and consequently, the quality of data analysis. We systematically investigated several properties of the background spectrum. The results show that a short-path background measured with the lowest amplifier gain could significantly reduce noise in the calcu...
Silage quality is typically assessed by the measurement of several individual parameters, including pH, lactic acid, acetic acid, bacterial numbers, and protein content. The objective of this study was to use a holistic metabolic fingerprinting approach, combining a high-throughput microtiter plate-based fermentation system with Fourier transform infrared (FT-IR) spectroscopy, to obtain a snaps...
FT-IR and FT-Raman spectra of hirudin have been recorded from the native solid hirudin. The conformation of the molecule has been discussed on the basis of IR and Raman data. It has been concluded that hirudin molecule has a mixed a-helix and random coil conformation.
Cinnamon is a popular spice with lengthy overseas supply chain. C. cassia commonly traded as cinnamon, but the use of rapid methods to detect its adulteration has not yet been fully addressed. This work explores FT-IR spectroscopy for detection in cinnamon chain by several lower value ingredients. Two species (C. verum and cassia) an adulterant (cinnamon spend, n = 2) were used create 110 diffe...
The ammonium salt of N-phenyloxamic acid (AmPhOxam) was synthesised, characterised by FT-IR, FT-Raman, UV-Vis, H-NMR spectroscopic methods and single crystal X-ray diffraction, and evaluated as a protective and consolidating agent for calcareous stone substrates under mild conditions. Hydroalcoholic solutions of AmPhOxam were tested for the treatment of naturally weathered white marble and biom...
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