Hydrogels are three-dimensional porous polymeric networks prepared by physical or
chemical cross-linking of hydrophilic molecules, which can be made into smart materials …

Signal generation techniques for visual detection of analytes have received a great deal of
attention in various sensing fields. These approaches are considered to be advantageous …

Due to the risks that water contamination implies for human health and environmental
protection, monitoring the quality of water is a major concern of the present era. Therefore, in …

In this work, some common and inexpensive biomass waste were used as carbon sources
including orange peel, ginkgo biloba leaves, paulownia leaves and magnolia flower to …

Carbon dots (CDs) have been widely used in recent years because of their excellent water
solubility and abundant surface functional groups. However, compared with quantum dots or …

Transition metal ions were inextricably connected with medicine, life sciences, and
environmental science. Some metal ions such as mercury ions, copper ions and iron irons in …

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

There are several developments taking place in the field of sensors driven by the world
today requirements. One of the most important novelties of the last two decades in the field is …

Long-term continuous monitoring (LTCM) of water quality can bring far-reaching influences
on water ecosystems by providing spatiotemporal data sets of diverse parameters and …

Carbon quantum dots (CQDs), as a novel fluorescent carbon nanomaterial, have raised
worldwide concern on account of their remarkable biocompatibility, water solubility …