Biosensor technology is an active field of research and development presenting rapid
progress in recent decades, and the subfield of optical biosensors based on refractometric …

Nanophotonics, manipulating light–matter interactions at the nanoscale, is an appealing
technology for diversified biochemical and physical sensing applications. Guided-wave …

As miniaturized solutions, mid-infrared (MIR) waveguide sensors are promising for label-free
compositional detection of mixtures leveraging plentiful absorption fingerprints. However …

Immunoassay as a rapid and convenient method for detecting a variety of targets has
attracted tremendous interest with its high specificity and sensitivity. Among the commonly …

A novel colorimetric biosensor was explored for fast, sensitive, and on-site detection of
Salmonella on a microfluidic chip employing immune gold@ platinum nanoparticles (Au …

Synthetic auxins such as 1-naphthalene acetic acid (NAA) and 2, 4-dichlorophenoxyacetic
acid (2, 4-D) have been extensively used in plant tissue cultures and as herbicides because …

Abstract Surface Enhanced Raman is a promising analytical method for harmful pesticides
detection. Herein, we demonstrate a rapid method to directly monitor 2, 4-D pesticide in …

Water is essential for every life living on the planet. However, we are facing a more serious
situation such as water pollution since the industrial revolution. Fortunately, many efforts …

We demonstrate a smart sensor for label-free multicomponent chemical analysis using a
single label-free ring resonator to acquire the entire resonant spectrum of the mixture and a …

Whispering gallery mode (WGM) microresonators have been used as optical sensors in
fundamental research and practical applications. The majority of WGM sensors are passive …