A detailed review on the development of quartz-enhanced photoacoustic sensors (QEPAS)
for the sensitive and selective quantification of molecular trace gas species with resolved …

Breath analysis, a promising new field of medicine and medical instrumentation, potentially
offers noninvasive, real-time, and point-of-care (POC) disease diagnostics and metabolic …

Detection and analysis of volatile compounds in exhaled breath represents an attractive tool
for monitoring the metabolic status of a patient and disease diagnosis, since it is non …

The application of different types of acoustic resonators such as pipes, cylinders, and
spheres in photoacoustics is considered. This includes a discussion of the fundamental …

The use of the photoacoustic effect to gauge the concentration of gases is an attractive
alternative in the realm of optical detection methods. Even though the effect has been …

Breath analysis is a young field of research with great clinical potential. As a result of this
interest, researchers have developed new analytical techniques that permit real-time …

Update based on the original article by Frans JM Harren, Gina Cotti, Jos Oomens, Sacco te
Lintel Hekkert, Encyclopedia of Analytical Chemistry,© 2000, John Wiley & Sons, Ltd. time …

ABSTRACT A laser-based ethylene detector was used for on-line monitoring of ethylene
released by the phytopathogenic fungus Botrytis cinerea in vitro and in tomato fruit. Ethylene …

Photoacoustic cells play an important role in photoacoustic trace gas analysis, as they can
amplify the photoacoustic signal and improve detection limit. Therefore, the structure and …

Analogous to most new methods in science, photoacoustic spectroscopy (PAS) grew out of
an advance in technology, in this case the dramatic improvement in novel light sources …