Results 251 to 260 of about 148,659 (287)

Mid-Infrared Spectroscopy

2019
This chapter presents the scope and potentiality of Mid-infrared spectroscopy (MIRS) for food analysis. MIRS has a great potential to detect various components of food, and this technique holds great significance as it provides specific fingerprints for different food products. Mid-infrared range has an appropriate band in the spectrum for quantitative
Amna Sahar, Aysha Sameen, Muhamamd Shahid Munir, Ubaid ur Rahman, Muhammad Mudassir Arif Chaudhry   +4 more
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On-Line Fermentation Monitoring by Mid-Infrared Spectroscopy

Applied Spectroscopy, 2004
A new method for on-line monitoring of fermentations using mid-infrared (MIR) spectroscopy has been developed. The method has been used to predict the concentrations of glucose and ethanol during a baker's yeast fermentations. A completely automated flow system was employed as an interface between the bioprocess under study and the Fourier transform ...
Gunta, Mazarevica, Josef, Diewok, Josefa R, Baena, Erwin, Rosenberg, Bernhard, Lendl   +4 more
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Coherent sources for mid-infrared laser spectroscopy

SPIE Proceedings, 2016
Mid-infrared laser absorption spectroscopy (LAS) is useful for molecular trace gas concentration measurements in gas mixtures. While the gas chromatography-mass spectrometry is still the gold standard in gas analysis, LAS offers several advantages.
Honzátko, P. (Pavel), Baravets, Y. (Yauhen), Mondal, S. (Shyamal), Peterka, P. (Pavel), Todorov, F. (Filip)   +4 more
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FREQUENCY-COMB-ASSISTED MID-INFRARED SPECTROSCOPY

Laser Spectroscopy, 2008
A new class of IR coherent sources and IR frequency combs, that combine optical frequency-comb synthesizers (OFCSs) and optical parametric up/down-conversions, is already available and still progressing at a very fast pace. Peculiar features for IR radiation produced by difference-frequency-generation (DFG) set-ups or quantum-cascade lasers (QCLs) can ...
P De Natale, D Mazzotti, G Giusfredi, S Bartalini, P Cancio, P Maddaloni, P Malara, G Gagliardi, I Galli, S Borri   +9 more
openaire   +6 more sources

Mid-infrared time-stretch spectroscopy

Conference on Lasers and Electro-Optics, 2020
Speeding up mid-infrared spectroscopy is an essential demand in molecular science. We demonstrate a broadband mid-infrared spectroscopy technique, called time-stretch infrared spectroscopy, spanning over 4.4-4.9 gm at a spectral acquisition rate of 80 MSpectra/s. © 2020 The Author(s)
Akira Kawai, Tatsuo Dougakiuchi, Venkata Ramaiah Badarla, Kazuki Hashimoto, Takayuki Imamura, Tadataka Edamura, Takuro Ideguchi   +6 more
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Mid-Infrared Spectroscopy of Pharmaceutical Solids

2018
It is now well established that infrared absorption spectroscopy is a powerful technique for the physical characterization of pharmaceutical solids. Besides being a preferred methodology for identification purposes, one can use trends in the energy values in the spectra as a means to study the solid-state properties of the system.
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MID-INFRARED AND RAMAN SPECTROSCOPY FOR MEDICAL DIAGNOSTICS

Applied Spectroscopy Reviews, 2001
The spectroscopy of molecular vibrations using mid-infrared or Raman techniques has been applied to samples of human tissue or body fluids. This review gives examples for its potential in supporting medical diagnostics. Most of the investigations have been performed in the field of internal medicine, namely angiology, hematology, rheumatology ...
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Mid-infrared spectroscopy: A groundbreaking tool for monitoring mammalian cells processes

2017 IEEE 5th Portuguese Meeting on Bioengineering (ENBENG), 2017
Mammalian cells are extensively used in cell biology studies, e.g. as a model system of human pathologies, or as a major source of very high-value biopharmaceuticals (that can be the cells itself or their products e.g. heterologous proteins). As such, it is highly pertinent to develop monitoring methods for mammalian cultivations capable of delivering ...
Rosa, Filipa O.P., Ribeiro Da Cunha, Bernardo, Carmelo, Joana G., Fernandes-Platzgummer, Ana, da Silva, Claudia, Calado, Cecília   +5 more
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Advancements in Mid-Infrared spectroscopy of extracellular vesicles

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Extracellular vesicles (EVs) are lipid vesicles secreted by all cells into the extracellular space and act as nanosized biological messengers among cells. They carry a specific molecular cargo, composed of lipids, proteins, nucleic acids, and carbohydrates, which reflects the state of their parent cells.
Di Santo R., Niccolini B., Romano S., Vaccaro M., Di Giacinto F., De Spirito M., Ciasca G.   +6 more
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Nonlinear photothermal mid-infrared spectroscopy

SPIE Proceedings, 2016
Mid-infrared photothermal spectroscopy is a pump-probe technique for label-free and non-destructive sample characterization by targeting intrinsic vibrational modes. In this method, the mid-infrared pump beam excites a temperature-induced change in the refractive index of the sample.
Atcha Totachawattana, Shyamsunder Erramilli, Michelle Y. Sander   +2 more
openaire   +1 more source