Results 31 to 40 of about 11,070,300 (191)

Breath Volatile Organic Compound Profiling of Colorectal Cancer Using Selected Ion Flow-Tube Mass Spectrometry. [PDF]

open access: yes, 2017
OBJECTIVE: BACKGROUND:: Breath VOCs have the potential to noninvasively diagnose cancer. METHODS: Exhaled breath samples were collected using 2-L double-layered Nalophan bags, and were analyzed using selected-ion-flow-tube mass-spectrometry.
Wiggins, Tom   +17 more
core   +1 more source

Breath Analysis as a Potential and Non-Invasive Frontier in Disease Diagnosis: An Overview

open access: yesMetabolites, 2015
Currently, a small number of diseases, particularly cardiovascular (CVDs), oncologic (ODs), neurodegenerative (NDDs), chronic respiratory diseases, as well as diabetes, form a severe burden to most of the countries worldwide.
Jorge Pereira   +7 more
doaj   +1 more source

Identification of Corrosive Volatile Compounds Found in the Headspace of Chicken Noodle Soup Retorted in Metal Cans

open access: yesInternational Journal of Food Science, 2023
This study investigated the development of volatile compounds in the headspace of canned chicken noodle soup (and sought to develop appropriate testing methods).
Yajun Wu   +4 more
doaj   +1 more source

Large-scale SIFT-MS volatile profiling of Vitis vinifera berries grown under greenhouse semi-controlled conditions

open access: yesOENO One
Selected ion flow tube mass spectrometry (SIFT-MS) is a promising high-throughput technology to phenotype individuals for their berry aroma composition.
Thomas Baerenzung dit Baron   +13 more
doaj   +1 more source

Operando characterisation of the impact of carbon monoxide on PEMFC performance using isotopic labelling and gas analysis

open access: yesJournal of Power Sources Advances, 2020
Impurities in hydrogen can have a detrimental effect on the performance of polymer electrolyte membrane fuel cells (PEMFCs) used in automotive applications.
Hans Becker   +6 more
doaj   +1 more source

Effect of pH, Reducing Sugars, and Protein on Roasted Sunflower Seed Aroma Volatiles

open access: yesFoods, 2023
Sunflower seeds are a popular snack in many countries, such as the United States, China, and Spain. Sunflower seeds are typically roasted to create desirable aromas before being eaten.
Jessica Laemont, Sheryl Barringer
doaj   +1 more source

An Ion Mobility-Mass Spectrometry Imaging Workflow [PDF]

open access: yes, 2020
Mass spectrometry imaging (MSI) is a powerful technique for the label-free spatially-resolved analysis of biological tissues. Coupling ion mobility (IM) separation with MSI allows separation of isobars in the mobility dimension and increases confidence ...
Steve, Creger   +5 more
core   +1 more source

A matrix-centered view of mass spectrometry platform innovation for volatilome research

open access: yesFrontiers in Molecular Biosciences
Volatile organic compounds (VOCs) are carbon-containing molecules with high vapor pressure and low water solubility that are released from biotic and abiotic matrices.
Andras Szeitz   +10 more
doaj   +1 more source

Diagnosis of Clostridioides difficile infection by analysis of volatile organic compounds in breath, plasma, and stool: A cross-sectional proof-of-concept study.

open access: yesPLoS ONE, 2021
Clostridioides difficile infection (CDI) is an important infectious cause of antibiotic-associated diarrhea, with significant morbidity and mortality. Current diagnostic algorithms are based on identifying toxin by enzyme immunoassay (EIA) and toxin gene
Teny M John   +7 more
doaj   +1 more source

Sensing Technologies for Detection of Acetone in Human Breath for Diabetes Diagnosis and Monitoring

open access: yesDiagnostics, 2018
The review describes the technologies used in the field of breath analysis to diagnose and monitor diabetes mellitus. Currently the diagnosis and monitoring of blood glucose and ketone bodies that are used in clinical studies involve the use of blood ...
Valentine Saasa   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy