Results 111 to 120 of about 7,080 (210)

Impact of CYP2D6 Metabolizer Status on Ondansetron Efficacy in Early Pregnancy Induced Nausea and Vomiting: A Case Control Study

open access: yesClinical and Translational Science, Volume 19, Issue 3, March 2026.
ABSTRACT Real‐world data investigating CYP2D6 on the efficacy of ondansetron for nausea and vomiting in pregnancy (NVP) is lacking. Evidence shows CYP2D6 ultrarapid metabolizers are at risk of ondansetron nonresponse due to increased metabolism. We conducted a retrospective cohort study of early pregnant patients on ondansetron for NVP.
Michelle Liu   +14 more
wiley   +1 more source

Toward Timely Diagnosis of Pancreatic Cancer: Revolutionizing Early Detection Through Genomics, Artificial Intelligence, and Noninvasive Biomarkers

open access: yesJournal of Gastroenterology and Hepatology, Volume 41, Issue 3, Page 895-913, March 2026.
ABSTRACT Background Pancreatic ductal adenocarcinoma (PDAC) remains one of the most aggressive cancers, typically diagnosed at an advanced stage due to its subtle and often absent early symptoms. Despite representing only 3% of new cancer cases, it is projected to become the second leading cause of cancer‐related deaths by 2030.
Muhammad Masroor Hussain   +5 more
wiley   +1 more source

Towards the Development of an In-Process Quality Monitoring System for Polyethylene Recyclates by Pyrolysis Gas Chromatography Ion Mobility Spectrometry [PDF]

open access: yes
Over the past few decades, the topic of recycling has become increasingly prominent in the field of sustainable materials and circular economy. One significant challenge is the physical separation of different types of plastics to obtain recyclates of ...
Ahrens, André   +3 more
core   +2 more sources

Elemental Composition Analysis of Sheep Tears Using Particle‐Induced X‐Ray Emission

open access: yesVeterinary Ophthalmology, Volume 29, Issue 2, March 2026.
ABSTRACT Objective To identify the elemental composition of ovine tears using particle‐induced X‐ray emission (PIXE). Animals Studied Ten physically healthy female sheep. Procedures Tear samples were collected using Schirmer tear test strips. Tear samples were collected once daily over five consecutive days to assess reproducibility. Elemental analysis
Alon Zahavi   +7 more
wiley   +1 more source

VOC analysis for rapid, early detection of bacteria, mold, and mycoplasma in cell and tissue cultures

open access: yesSLAS Discovery
Identifying microbial contamination early in cell culture processing can save time, money, and reagents. However, standard strategies for performing contamination testing often take days, leaving production vulnerable to potential spread of bacteria ...
Hannah A. Strobel   +6 more
doaj   +1 more source

A Novel Peak‐Shape Aware Approach for Mass Alignment in Mass Spectrometry

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 4, 28 February 2026.
ABSTRACT Rationale In mass spectrometry measurements, mass shifts may be inadvertently introduced due to instrumental drift and calibration inaccuracies, potentially compromising the accuracy of subsequent data analysis. This work presents a novel, label‐free algorithm to improve relative mass alignment between mass spectra.
Thomas Vanhemel   +5 more
wiley   +1 more source

Mobility Spectrometer Studies on Hydrazine and Ammonia Detection [PDF]

open access: yes
An airborne vapor analyzer for detecting sub- to low- parts-per-million (ppm) hydrazine in the presence of higher concentration levels of ammonia has been under development for the Orion program.
Eiceman, Gary   +3 more
core   +1 more source

Integrated Atmosphere Resource Recovery and Environmental Monitoring Technology Demonstration for Deep Space Exploration [PDF]

open access: yes, 2012
Exploring the frontiers of deep space continues to be defined by the technological challenges presented by safely transporting a crew to and from destinations of scientific interest.
Abney, Morgan B.   +5 more
core   +1 more source

GC-IMS-Based Volatile Characteristic Analysis of Hypsizygus marmoreus Dried by Different Methods

open access: yesFoods
Gas chromatography–ion mobility spectroscopy (GC-IMS) was used to analyze the volatile components in dried Hypsizygus marmoreus of different drying methods, including hot air drying (HAD), heat pump drying (HPD), heated freeze-drying (HFD), and unheated freeze-drying (UFD).
Pufu Lai   +7 more
openaire   +3 more sources

Characterization of Flavor Compounds in Chinese Indigenous Sheep Breeds Using Gas Chromatography–Ion Mobility Spectrometry and Chemometrics

open access: yesFoods
This study analyzed the flavor compounds in the meat of four indigenous breeds of Chinese sheep through the use of gas chromatography–ion mobility spectrometry (GC-IMS).
Fang Wang   +10 more
doaj   +1 more source

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