In this review, the different important parameters having significant effects on the sensing
behavior of semiconductor metal oxide (SMO) based chemiresistive gas sensors have been …

Due to numerous benefits such as geometrical simplicity, compact size, high sensitivity,
broad detection range, low noise, and high accuracy, optical devices have attracted a lot of …

Due to the huge threat of formaldehyde (FA) on human beings, the development of chemical
sensors for swift detection of FA in solutions and gas phase is highly anticipated. In this …

Detection of formalin to prevent food adulteration, especially in tropical countries, is of
primary concern for public health issues. Life-threatening diseases such as leukaemia and …

Graphene oxide (GO) was functionalized with a series of amine precursors including
ammonia, methylamine, ethylamine, ethylenediamine, dimethylamine, aniline, and 1, 4 …

The identification and measurement of volatile organic compounds (VOCs) is needed in a
variety of applications including air quality monitoring, air pollution measurement, food …

In this paper, a proposed humidity sensor is fabricated by integrating the microfiber and the
glass surface coated with Zinc Oxide (ZnO) nanorods. The silica fiber diameter was reduced …

This experimental paper study on the effect of polyvinyl alcohol (PVA) coating on whispering
gallery modes on microbottle resonator (MBR) as liquid ethanol sensor. The silica fiber SMF …

Continuous exposure to formaldehyde may cause injury to the central nervous, respiratory,
blood, and immunological systems. Tapered U-shape plastic optical fiber (POF) coated with …

A humidity sensor is proposed by integrating a microsphere resonator onto ZnO nanorods
coated glass surface. The glass substrate was coated with ZnO nanorods for 12 h using the …