Results 81 to 90 of about 21,054 (225)

A New Strategy for Improving Multi‐Frequency PPP‐RTK Ionospheric Correction Availability and User Performance in Low‐ and Middle‐Latitudes

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract High‐precision regional ionospheric correction products are essential for achieving accurate and fast‐convergence solutions in Precise Point Positioning Real‐Time Kinematic (PPP‐RTK). For users in low‐ and middle‐latitudes, PPP‐RTK server narrow‐lane (NL) ambiguity resolution (AR) typically requires more than 10 min, which largely affects the ...
Pan Li   +6 more
wiley   +1 more source

A challenging STEC strain isolation from patients’ stools: an O166:H15 STEC strain with the stx2 gene

open access: yesMicrobiology Spectrum
ABSTRACT Two patients with acute gastroenteritis tested positive for Shiga toxin-producing Escherichia coli (STEC) by polymerase chain reaction (PCR), and both strains carried the Shiga toxin 2 encoding gene. Since routine culture using CHROMagar STEC failed to recover these
Surangi H. Thilakarathna   +2 more
openaire   +3 more sources

Mary Woltemate Stec

open access: yes, 2015
Dr. Stec began her nursing career in 1973 as a graduate of Jefferson’s Nursing Diploma School. She would go on to receive her BS in Nursing from the University of Pennsylvania, her MSN from Gwynedd Mercy College, and her PhD in Nursing from Widener ...
Duinkerken, Kelsey, Stec, Mary Woltemate
core  

Diversity and Molecular Characterization of Shiga Toxin-producing Escherichia coli Isolated from Ground Beef at Point of Sale in Hidalgo, Mexico

open access: yesJournal of Pure and Applied Microbiology
Shiga toxin-producing Escherichia coli (STEC) is the causative agent of several epidemic outbreaks worldwide. STEC infections range from mild diarrhea to fatal outcomes, transmission occurs mainly through the ingestion of contaminated and undercooked ...
Ana Paola Cordero-Lopez   +5 more
doaj   +1 more source

Space Weather Disrupts Low‐Latitude Network RTK: Evidence From LSTIDs During June 2025 Geomagnetic Storm

open access: yesSpace Weather, Volume 24, Issue 6, June 2026.
Abstract The geomagnetic storm on 1 June 2025 generated pronounced large‐scale traveling ionospheric disturbances (LSTIDs) over China, captured by dense GNSS networks. It has been unclear whether network real‐time kinematic (NRTK) positioning, which relies on spatial interpolation from multiple reference stations, remains effective under such extreme ...
Tong Liu   +8 more
wiley   +1 more source

On Campus Video, featuring Robert Stec, President of Girbaud Jeans.

open access: yes, 1990
A videorecording of an interview with Robert Stec, President of Girbaud Jeans, conducted by Dr.
Abilene Christian University   +2 more
core  

Identification of Novel Biomarkers for Priority Serotypes of Shiga Toxin-Producing Escherichia coli and the Development of Multiplex PCR for Their Detection

open access: yesFrontiers in Microbiology, 2018
It would be desirable to have an unambiguous scheme for the typing of Shiga toxin-producing Escherichia coli (STEC) isolates to subpopulations. Such a scheme should take the high genomic plasticity of E.
Matthias Kiel   +8 more
doaj   +1 more source

Common Hematologic Emergencies—Acute Promyelocytic Leukemia and Microangiopathic Hemolytic Anemias—A Pivotal Role of Clinical Laboratory

open access: yesInternational Journal of Laboratory Hematology, Volume 48, Issue 3, Page 521-530, June 2026.
ABSTRACT Hematologic emergencies are urgent health conditions which result in significant mortality and morbidity unless timely therapeutic measures are taken. Therapeutic success depends on their timely and accurate recognition by hematology laboratory services.
Ganna Shestakova   +2 more
wiley   +1 more source

Metagenomic analysis of fecal samples from both STEC positive and STEC negative calvesa.

open access: yes, 2016
Metagenomic analysis of fecal samples from both STEC positive and STEC negative calvesa.
Mauricio Elzo (284922)   +5 more
core   +1 more source

Shiga Toxin-Producing Escherichia coli in Plateau Pika (Ochotona curzoniae) on the Qinghai-Tibetan Plateau, China

open access: yesFrontiers in Microbiology, 2016
Shiga toxin-producing Escherichia coli (STEC) are an emerging group of zoonotic pathogens. Ruminants are the natural reservoir of STEC. In this study we determined the prevalence and characteristics of the STEC in plateau pika (Ochotona curzoniae) on the
Xiangning eBAI   +11 more
doaj   +1 more source

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