Project description:Whey protein isolate (WPI)-based cast films are very brittle, due to several chain interactions caused by a large amount of different functional groups. In order to overcome film brittleness, plasticizers, like glycerol, are commonly used. As a result of adding plasticizers, the free volume between the polymer chains increases, leading to higher permeability values. The objective of this study was to investigate the effect of partially substituting glycerol by hydrolysed whey protein isolate (h-WPI) in WPI-based cast films on their mechanical, optical and barrier properties. As recently published by the author, it is proven that increasing the h-WPI content in WPI-based films at constant glycerol concentrations significantly increases film flexibility, while maintaining the barrier properties. The present study considered these facts in order to increase the barrier performance, while maintaining film flexibility. Therefore glycerol was partially replaced by h-WPI in WPI-based cast films. The results clearly indicate that partially replacing glycerol by h-WPI reduces the oxygen permeability and the water vapor transmission rate, while the mechanical properties did not change significantly. Thus, film flexibility was maintained, even though the plasticizer concentration was decreased.

| S-EPMC5521246 | biostudies-other

Bordetella petrii clinical isolate.

Project description:We describe the first clinical isolate of Bordetella petrii from a patient with mandibular osteomyelitis. The only previously documented isolation of B. petrii occurred after the initial culture of a single strain from an environmental source.

| S-EPMC3371814 | biostudies-literature

Whole genome sequencing of Candida albicans clinical isolate YJB-T490 derived miconazole adaptors

Project description:YJB-T490 was spread on YPD-agar plates supplemented with miconazole (0.008-2ug/mL). Randomly 3 adaptors from each drug plate were sequenced. In addition, 2 miconazole adaptors derived from SC5314, and 6 adaptors derived from CDR1 deletion strain were also sequenced.

2024-06-15 | E-MTAB-14133 | biostudies-arrayexpress

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