The reflected ultrasonic waves are generally used for the determination of the lubricant film
thickness, which consist of a directly reflected wave at the first solid-lubricant interface and …

Biogenic amines (BAs) are compounds found in a vast range of food products. In recent
years, there has been a crescent awareness toward food safety, followed by an increase in …

An optical fiber pH sensor based on a long-period fiber grating (LPFG) is reported. Two
oppositely charged polymers, polyethylenimine (PEI) and polyacrylic acid (PAA), were …

A novel highly humidity-sensitive with a fast response time Fabry-Perot sensor based on a
sealed liquid glycerol microcavity is proposed and experimental lly applied for breath …

A SPR sensor for the detection of glyphosate, using an aptamer-based sensing probe
deposited onto a planar substrate with a gold film, was fabricated and tested. Sensitivity to …