In recent years, sensitive, selective and accurate sensing techniques for ammonia gas
detection have been highly demanded since ammonia is both a commonly utilized gas in …

Infrared spectroscopy in the 3–20 μm spectral window has evolved from a routine laboratory
technique into a state-of-the-art spectroscopy and sensing tool by benefitting from recent …

Mid-infrared spectroscopy is a sensitive and selective technique for probing molecules in the
gas or liquid phase. Investigating chemical reactions in bio-medical applications such as …

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 …

Laser diagnostic techniques play a large and growing role in combustion research and
development. Here we highlight three areas where quantitative sensing based on laser …

Carbon nanofibers (CNFs) exhibit great potentials in the fields of materials science,
biomedicine, tissue engineering, catalysis, energy, environmental science, and analytical …

The impact of design parameters of a spectrophone for quartz-enhanced photoacoustic
spectroscopy on its performance was investigated. The microresonator of spectrophone is …

Tunable diode laser absorption spectroscopy (TDLAS) for trace gas sensing has been
investigated widely. Conventional wavelength-modulation spectroscopy (WMS) in TDLAS …

Tunability has added an important dimension to a variety of laser devices and led to new
systems and applications. From laser spectroscopy to Bose-Einstein condensation, the one …

Human exhaled breath consists of more than 3000 volatile organic compounds, many of
which are relevant biomarkers for various diseases. Although gas chromatography has been …