Results 21 to 30 of about 23,771,265 (342)

Physiological modeling of isoprene dynamics in exhaled breath [PDF]

, 2003
Human breath contains a myriad of endogenous volatile organic compounds (VOCs) which are reflective of ongoing metabolic or physiological processes.
King, Julian, Koc, Helin, Unterkofler, Karl, Mochalski, Pawel, Kupferthaler, Alexander, Teschl, Gerald, Teschl, Susanne, Hinterhuber, Hartmann, Amann, Anton   +8 more
core   +6 more sources

A proof of concept study for the differentiation of SARS-CoV-2, hCoV-NL63, and IAV-H1N1 in vitro cultures using ion mobility spectrometry

Scientific Reports, 2021
Rapid, high-throughput diagnostic tests are essential to decelerate the spread of the novel coronavirus disease 2019 (COVID-19) pandemic. While RT-PCR tests performed in centralized laboratories remain the gold standard, rapid point-of-care antigen tests
M. Feuerherd, A.-K. Sippel, J. Erber, J. I. Baumbach, R. M. Schmid, U. Protzer, F. Voit, C. D. Spinner   +7 more
doaj   +1 more source

Advances in Materials and Technologies for Gas Sensing from Environmental and Food Monitoring to Breath Analysis

Advanced Sustainable Systems, 2022
Gas sensing research experiences a worldwide revival in the last years. From one side, the emergence of novel sensing materials enables unprecedented capacities for improving the device performances.
A. Milone, A. G. Monteduro, S. Rizzato, Angelo Leo, C. di Natale', S. S. Kim, G. Maruccio   +6 more
semanticscholar   +1 more source

Exhaled Breath Analysis for Diabetes Diagnosis and Monitoring: Relevance, Challenges and Possibilities

Biosensors, 2021
With the global population prevalence of diabetes surpassing 463 million cases in 2019 and diabetes leading to millions of deaths each year, there is a critical need for feasible, rapid, and non-invasive methodologies for continuous blood glucose ...
Kaushiki Dixit, S. Fardindoost, Adithya Ravishankara, Nishat Tasnim, M. Hoorfar   +4 more
semanticscholar   +1 more source

Validating Discriminative Signatures for Obstructive Sleep Apnea in Exhaled Breath

Cells, 2022
Rapid and reliable tools for the diagnosis and monitoring of obstructive sleep apnea (OSA) are currently lacking. Prior studies using a chemical analysis of exhaled breath have suggested the existence of an OSA-specific metabolic signature.
Bettina Streckenbach, Martin Osswald, Stefan Malesevic, Renato Zenobi, Malcolm Kohler   +4 more
doaj   +1 more source

Recent Advances in Sensing Materials Targeting Clinical Volatile Organic Compound (VOC) Biomarkers: A Review

Biosensors, 2023
In general, volatile organic compounds (VOCs) have a high vapor pressure at room temperature (RT). It has been reported that all humans generate unique VOC profiles in their exhaled breath which can be utilized as biomarkers to diagnose disease ...
Akhilesh Kumar Pathak, Kankan Swargiary, Nuntaporn Kongsawang, Pannathorn Jitpratak, Noppasin Ajchareeyasoontorn, Jade Udomkittivorakul, Charusluk Viphavakit   +6 more
doaj   +1 more source

pyAIR—A New Software Tool for Breathomics Applications—Searching for Markers in TD-GC-HRMS Analysis

Molecules, 2022
Volatile metabolites in exhaled air have promising potential as diagnostic biomarkers. However, the combination of low mass, similar chemical composition, and low concentrations introduces the challenge of sorting the data to identify markers of value ...
Lilach Yishai Aviram, Dana Marder, Hagit Prihed, Konstantin Tartakovsky, Daniel Shem-Tov, Regina Sinelnikov, Shai Dagan, Nitzan Tzanani   +7 more
doaj   +1 more source

Nanomaterial-Based Sensors for Exhaled Breath Analysis: A Review

Coatings, 2022
The quantification of gases in breath has gained significant attention as a modern diagnosis method due to its non-invasive nature, and as a painless and straightforward method for the early detection of physiological disorders.
M. Velumani, Asokan Prasanth, S. Narasimman, A. Chandrasekhar, Abraham Sampson, S. Meher, Sivacoumar Rajalingam, E. Rufus, Z. C. Alex   +8 more
semanticscholar   +1 more source

Statistical Evaluation of Total Expiratory Breath Samples Collected throughout a Year: Reproducibility and Applicability toward Olfactory Sensor-Based Breath Diagnostics

Sensors, 2021
The endogenous volatile organic compounds (VOCs) in exhaled breath can be promising biomarkers for various diseases including cancers. An olfactory sensor has a possibility for extracting a specific feature from collective variations of the related VOCs ...
Katsushige Inada, Hiroshi Kojima, Yukiko Cho-Isoda, Ryo Tamura, Gaku Imamura, Kosuke Minami, Takahiro Nemoto, Genki Yoshikawa   +7 more
doaj   +1 more source

Review—Non-Invasive Monitoring of Human Health by Exhaled Breath Analysis: A Comprehensive Review

Journal of the Electrochemical Society, 2020
Exhaled human breath analysis is a very promising fi eld of research work having great potential for diagnosis of diseases in non- invasive way. Breath analysis has attracted huge attention in the fi eld of medical diagnosis and disease monitoring in the ...
Sagnik Das, M. Pal
semanticscholar   +1 more source