This is the first comprehensive review on methods and materials for use in optical sensing of
pH values and on applications of such sensors. The Review starts with an introduction that …

The Electrohydrodynamic-jet (E-jet) printing process combines high resolution printing with
a large variety of printing materials, making E-jet suitable for applications ranging from …

Effective analyte delivery is essential to achieve rapid and sensitive biodetection systems. In
this article, we present an actively controlled fluidic system integrated with a suspended …

Measuring small changes in refractive index can provide both sensitive and contactless
information on molecule concentration or process conditions for a wide range of …

Volume amplitude gratings made of mesoporous hydrogels are beneficial for sensing, but
are difficult to fabricate because they involve creating high aspect ratio features in soft …

A straightforward, controllable, and cost-effective system was developed for the optical
printing of photosensitive polymers. By utilizing a digital micromirror device (DMD), the …

In this paper, we introduce a wireless chemical sensing technique featuring ultrasonic
imaging of a silica-bead-embedded hydrogel, named “silicagel”. By incorporating silica …

A novel optofluidic refracrtive index (RI) sensor was proposed based on asymmetric
Fraunhofer diffraction. In-plane optofluidic lens, light source, slit, diffraction pattern …

In this study, we propose a highly sensitive multichannel pH sensor that is based on an
optical-fiber pulse width modulation (PWM) technique. According to the optical-fiber PWM …

Slot die coating has been established as an economical approach for deposition of parallel
narrow stripes, a constituent pattern feature in many printed device applications. However …