Results 31 to 40 of about 23,771,265 (342)

Advanced Diagnostic Technology of Volatile Organic Compounds Real Time analysis Analysis From Exhaled Breath of Gastric Cancer Patients Using Proton-Transfer-Reaction Time-of-Flight Mass Spectrometry

Frontiers in Oncology, 2021
BackgroundScreening endoscopy is considered to be the most accurate tool for early detection of gastric cancer, but it is both invasive and costly. It is therefore essential to develop cost-effective and non-invasive diagnostic tools for gastric cancer ...
Yoon Ju Jung, Ho Seok Seo, Ji Hyun Kim, Kyo Young Song, Cho Hyun Park, Han Hong Lee   +5 more
doaj   +1 more source

Spectroscopic trace gas detection in air-based gas mixtures: Some methods and applications for breath analysis and environmental monitoring

Journal of Applied Physics, 2022
Laser absorption spectroscopy as a powerful tool for detecting trace gases has been widely used in the monitoring of atmospheric greenhouse gases, pollutions, and respiration processes, including human breath analysis. The detection is based on the light
J. Xia, F. Zhu, J. Bounds, E. Aluauee, A. Kolomenskii, Qian Dong, Jingliang He, Cain Meadows, Sasa Zhang, H. Schuessler   +9 more
semanticscholar   +1 more source

Diagnosis of COVID-19 by exhaled breath analysis using gas chromatography–mass spectrometry

ERJ Open Research, 2021
Background The ongoing coronavirus disease 2019 (COVID-19) pandemic has claimed over two and a half million lives worldwide so far. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is perceived to be seasonally recurrent, and a ...
W. Ibrahim, R. Cordell, M. Wilde, M. Richardson, L. Carr, Ananga Sundari Devi Dasi, B. Hargadon, R. Free, P. Monks, C. Brightling, Neil J. Greening, S. Siddiqui   +11 more
semanticscholar   +1 more source

Discrimination of Diabetes Mellitus Patients and Healthy Individuals Based on Volatile Organic Compounds (VOCs): Analysis of Exhaled Breath and Urine Samples by Using E-Nose and VE-Tongue

Chemosensors, 2023
Studies suggest that breath and urine analysis can be viable non-invasive methods for diabetes management, with the potential for disease diagnosis. In the present work, we employed two sensing strategies.
Omar Zaim, Benachir Bouchikhi, Soukaina Motia, Sònia Abelló, Eduard Llobet, Nezha El Bari   +5 more
doaj   +1 more source

Mass Spectrometry-Based Human Breath Analysis: Towards COVID-19 Diagnosis and Research

Journal of Analysis and Testing, 2021
COVID-19 is a highly contagious respiratory disease that can be infected through human exhaled breath. Human breath analysis is an attractive strategy for rapid diagnosis of COVID-19 in a non-invasive way by monitoring breath biomarkers.
Zi-Cheng Yuan, Bin Hu
semanticscholar   +1 more source

Selective low concentration ammonia sensing in a microfluidic lab-on-a-chip [PDF]

, 2006
In the medical community, there is a considerable interest in a diagnostic breath analyzer for ammonia that is selectively enough to measure in exhaled air and small enough for the small volumes available in such an application.
Berg, Albert van den, Delft, Koen M. van, Koelmans, W.W., Olthuis, Wouter, Timmer, Björn H.   +4 more
core   +3 more sources

Review of the algorithms used in exhaled breath analysis for the detection of diabetes

Journal of Breath Research, 2022
Currently, intensive work is underway on the development of truly noninvasive medical diagnostic systems, including respiratory analysers based on the detection of biomarkers of several diseases including diabetes.
A. Paleczek, A. Rydosz
semanticscholar   +1 more source

Isotope-Selective Breath Analysis

Conference on Lasers and Electro-Optics, 2017
Isotope-selective breath analysis offers a non-invasive, fast and reliable alternative to traditional methods in numerous clinical applications. Especially stable isotopologues of carbon dioxide have been applied to tens of different studies.
Lehto M., Metsala M., Lehto M., Metsala M., Manninen Albert, Richmond Craig, Hietala Eero, Vasama Hannu, Suopajärvi Pekka, Aikio Rami, Kääriäinen Teemu   +10 more
openaire   +2 more sources

Breath analysis based early gastric cancer classification from deep stacked sparse autoencoder neural network

Scientific Reports, 2021
Deep learning is an emerging tool, which is regularly used for disease diagnosis in the medical field. A new research direction has been developed for the detection of early-stage gastric cancer.
M. A. Aslam, Cuili Xue, Yunsheng Chen, Amin Zhang, Manhua Liu, Kan Wang, D. Cui   +6 more
semanticscholar   +1 more source

MOS Sensors Array for the Discrimination of Lung Cancer and At-Risk Subjects with Exhaled Breath Analysis

Chemosensors, 2021
Lung cancer is characterized by a tremendously high mortality rate and a low 5-year survival rate when diagnosed at a late stage. Early diagnosis of lung cancer drastically reduces its mortality rate and improves survival.
Davide Marzorati, L. Mainardi, G. Sedda, R. Gasparri, L. Spaggiari, P. Cerveri   +5 more
semanticscholar   +1 more source