Results 251 to 260 of about 132,559 (302)
Advanced Materials Interfaces, EarlyView.A chitosan‐graft‐gelatin hydrogel, incorporating a pH‐responsive dye, bromothymol blue, as a colorimetric freshness indicator is introduced to monitor the spoilage of chicken breasts. The hydrogel indicates microbial activity, and the production of carbon dioxide due to deteriorating food freshness via a change in pH, and serves as a smart and visual ...
Bahareh Farasati Far +7 more
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Advanced Materials Interfaces, EarlyView.This study investigates the antifungal efficacy of ultrashort pulsed laser‐induced periodic surface structures (USP‐DLIP) on copper, brass, and steel surfaces. Using Aspergillus niger as a model, the research highlights a 99% reduction in spore viability on 9 µm structured copper surfaces due to enhanced copper ion release. Scanning electron microscopy
Stella Marie Timofeev +10 more
wiley +1 more source
Prevalence of lactic acid bacteria in sliced cooked ham as an indicator of its shelf life
, 2016 América Chávez‐Martínez +4 more
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The Recovery of Indicator Bacteria on Selective Media
Journal of Applied Bacteriology, 1974Summary. The recovery of Pseudomonas aeruginosa, Escherichia coli, and Streptococcus faecalis from aqueous suspending media has been studied with a rich plating medium (trypticase‐soy agar) and selective media. Tap water was highly toxic to all strains investigated. Recovery of Ps.
C. M. Cheng, A. W. Hoadley
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Faecal indicator bacteria at fish farms
Hydrobiologia, 1982The observed concentrations of bacteria at two large fish farms were not high, but due to the great volume of the discharge the total amount of bacteria was large. Total coliform (TC) bacteria identified belonged mainly to the genera Enterobacter, Citrobacter and Aeromonas. The majority of faecal coliform (FC) strains were Escherichia coli. E. coli was
Irmeli Taipalinen, Maarit Niemi
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Percentage of gelatinolytic bacteria among heterotrophic bacteria as indicator of water quality
Folia Microbiologica, 2004The relationship between the physiological group of gelatinolytic bacteria and the abundance of heterotrophic bacteria in freshwater ecosystems was described, based on analysis of 1082 different freshwater samples collected in Croatia. Percentages of gelatinolytic bacteria among the population of heterotrophic bacteria showed a significant negative ...
Jasna Hrenović, B. Stilinović
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Marine bacteria as indicators of water quality
Chemosphere, 1994Abstract Preliminary results on the concentration of aerobic, heterotrophic marine bacteria, and on its luminescent fraction in plated filters of coastal water samples, both under “clean” and polluted conditions, are reported. The feasibility of the application of such an approach in characterizing the integrity of marine environments, with the ...
Lorella Brilli +5 more
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Enumeration of Indicator Bacteria Exposed to Chlorine
1983Stress resulting from a variety of chemical and physical environments has been recognized in indicator bacteria. A review by Busta (1976) summarizes the extensive work that has been carried out to describe indicator microorganisms sublethally impaired due to a variety of causes associated with foods.
Gordon A. McFeters, Anne K. Camper
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Distribution of indicator bacteria in Canyon Lake, California
Water Research, 2005The spatial and temporal distributions of indicator bacteria in a small, multiple-use source drinking water reservoir in Southern California, USA were quantified over the period August 2001-July 2002. High levels of total and fecal coliform bacteria were present in Canyon Lake (annual geometric mean concentrations+/-SEM of 3.93+/-0.02 and 3.02+/-0.03 ...
Marylynn V. Yates +2 more
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