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By Avelino Alvarez-Ordóñez, Miguel Prieto

Vibrational spectroscopy ideas, that have characteristically been used to supply non-destructive, speedy, and suitable info on microbial systematics, are priceless for class and identity. at the side of complicated chemometrics, infrared spectroscopy allows the biochemical signatures from microbiological buildings to be extracted and analysed. additionally, a few contemporary reports have proven that Fourier rework Infrared (FT-IR) spectroscopy may also help to appreciate the molecular foundation of occasions, akin to the adaptive tolerance responses expressed via micro organism whilst uncovered to emphasize stipulations within the surroundings, i.e. environments that cells confront in foodstuff and through foodstuff processing. The proposed short will speak about the broadcast experimental concepts, data-processing algorithms, and ways utilized in FT-IR spectroscopy to help within the characterization and id of microorganisms, to evaluate the mechanisms of bacterial inactivation by means of foodstuff processing applied sciences and antimicrobial compounds, to observe the spore and membrane houses of foodborne pathogens in altering environments, to discover stress-injured microorganisms in food-related environments, to evaluate dynamic adjustments in bacterial populations, and to check bacterial tolerance responses.

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140, 57–60. , 2003. Identification of species of Brucella using Fourier transform infrared spectroscopy. J. Microbiol. Methods 55, 121–131. , 2002.

Int. Microbiol. 8, 125–131. , 2006. Rapid discrimination of lactobacilli isolated from kéfir grains by FT-IR spectroscopy. Int. J. Food Microbiol. 111, 280–287. , 2011. Detection and differentiation of bacterial spores in a mineral matrix by Fourier transform infrared spectroscopy (FTIR) and chemometrical data treatment. BMC Biophys. 1, 14. , 2002. Role of membrane fluidity in pressure resistance of Escherichia coli NCTC 8164. Appl. Environ. Microbiol. , 2010. Effect of dissolved oxygen on two bacterial pathogens examined using ATR-FTIR spectroscopy, microelectrophoresis, and potentiometric titration.

2006. Rapid discrimination of lactobacilli isolated from kéfir grains by FT-IR spectroscopy. Int. J. Food Microbiol. 111, 280–287. , 2011. Detection and differentiation of bacterial spores in a mineral matrix by Fourier transform infrared spectroscopy (FTIR) and chemometrical data treatment. BMC Biophys. 1, 14. , 2002. Role of membrane fluidity in pressure resistance of Escherichia coli NCTC 8164. Appl. Environ. Microbiol. , 2010. Effect of dissolved oxygen on two bacterial pathogens examined using ATR-FTIR spectroscopy, microelectrophoresis, and potentiometric titration.

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