In this feature article, we critically review the physical properties of porous hydrogels and
their production methods. Our main focus is nondense hydrogels that have physical pores …

Polymer-based responsive structural color materials are polymers with ordered
microstructures that can change colors. They offer unique advantages and present a novel …

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 …

A substantial amount of research effort has been directed toward the development of Pt-
based catalysts with higher performance and durability than conventional polycrystalline Pt …

Increasing customer demand for durable and functional apparel manufactured in a
sustainable manner has created an opportunity for nanomaterials to be integrated into textile …

Light guiding and manipulation in photonics have become ubiquitous in events ranging from
everyday communications to complex robotics and nanomedicine. The speed and sensitivity …

In the human body, many soft tissues with hierarchically ordered composite structures, such
as cartilage, skeletal muscle, the corneas, and blood vessels, exhibit highly anisotropic …

Biocompatible and bioresponsive microneedles (MNs) are emerging technology platforms
for sustained drug release with a potential to be a key player in transdermal delivery of …

Background Access to safe food is critical for human health. Therefore, efficient sensing of
hazardous substances in food is highly demanded. Hydrogels with three-dimensional …

Diabetes has recently become the leading cause of death worldwide. So far, there is no
effective treatment to cure or prevent diabetes. Still, reasonable blood control through …