Results 171 to 180 of about 19,184 (224)

pH-Responsive peptide nanopores are stabilized by lipid and water-mediated hydrogen bonding networks.

Nanoscale
Bondar AN, Lešnik S, Hristova K, Wimley WC.   +3 more
europepmc   +1 more source

Screening of food raw materials for the presence of Shiga toxin-producing Escherichia coli O91:H21

Letters in Applied Microbiology, 2009
International audienceAims: To provide information on the prevalence and detection, in foods, of Shiga toxin-producing Escherichia coli (STEC) O91:H21.Methods and Results: Seven hundred fifteen minced beef meats and 205 raw milk samples were analysed by ...
Frédéric Auvray, P Fach
exaly   +2 more sources

Molecular epidemiology of Shiga toxin-producing O113:H21 isolates from cattle and meat

Zoonoses and Public Health, 2018
SummaryThe serotype O113:H21 is considered one of the relevant non‐O157 STEC serotypes associated with severe human infections. Due to the increased detection of O113 strains and their relationship with clinical cases, which emphasizes the importance of this serogroup as an emerging pathogen, our aim was to determine the characteristics of STEC O113 ...
Andrea Sanso, Jimena Soledad Cadona, Alejandra Krüger   +2 more
exaly   +4 more sources

Biofilm formation, invasiveness and colicinogeny in locus of enterocyte and effacement negative O113:H21 Shigatoxigenic Escherichia coli

Journal of Applied Microbiology, 2017
AimsAlthough Shiga toxins (Stx) are well-established virulence traits of O113:H21 Shigatoxigenic Escherichia coli (STEC) strains, a shortage in the knowledge of other virulence properties that may contribute to pathogenesis may exist in this serotype ...
Beatriz E Cabilio Guth
exaly   +2 more sources

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H21 Acne treatments through the ages

British Journal of Dermatology, 2023
Abstract The search for an effective treatment for acne dates back to 1550 Bc with the Ebers Papyrus, one of the oldest medical documents in the world, mentioning the application of raw honey and sulfur to affected areas. King Tutankhamun is widely believed to have suffered from acne as his tomb was filled with popular acne treatments of
openaire   +1 more source

Effect of Carbide Density on Fatigue Limit of H21 Die Steel

Journal of Materials Engineering and Performance, 2020
In the present work, the effect of carbide density on microstructure, hardness, wear rate, and fatigue limit of AISI H21 die steel has been studied. The specimens of H21 die steel have been employed hardening at 1195 °C, double tempering at 540 °C, cryotreatment at − 185 °C for 24 h, and soft tempering at 100 °C. The microstructure, hardness, wear rate,
Kirankumar Jagtap, K V Ramana
exaly   +2 more sources

Solidification Behaviour of a H21 Tool Steel

Advanced Materials Research, 2014
Solidification behaviour of a H21 tool steel has been studied. The aim of this work is to give better understanding of the as cast microstructure of the steel. The investigated H21 tool steel was made using induction vacuum furnace with air cooling. The microstructure observation was carried out using optical and electron microscopy.
Meilinda Nurbanasari, Panos Tsakiropoulos, Eric J. Palmiere   +2 more
openaire   +1 more source

Effect of nitrogen on microstructure and secondary hardening of H21 die steel

Journal of Iron and Steel Research International, 2018
The effect of nitrogen on the microstructure and secondary hardening of H21 die steel was studied by using scanning electron microscope, X-ray diffraction, transmission electron microscope and dilatometer. The results demonstrate that nitrogen can enhance the secondary hardening behavior of H21 hot-working die steel without toughness lose.
Jinbo Gu, Jingyuan Li
exaly   +2 more sources