Photochromic compounds of the spiropyran family have two main isomers capable of inter-
switching with UV or visible light. In the current review, we discuss recent advances in the …

Spiropyrans are a class of photochromic compounds that feature two main isoforms, a
closed spiropyran (SP) and an open merocyanine (MC), which are inter-switchable with UV …

A new spiropyran bearing multiple phenolic hydroxyl groups is synthesized. It acts as a
chemosensor for selective detection of Fe 3+ ions in both organic and aqueous solution. The …

Multistimuli-responsive fluorescent molecular switches (FMSs), both in solution and solid
states, have attracted extensive attention due to their numerous prospects in many functional …

Spiropyrans (SPs) are a well-known class of photochromic compounds and have found
widespread application due to their unique properties. However, for many conventional SPs …

Single-fiber-based sensing and imaging probes enable the co-located and simultaneous
observation and measurement (ie,'sense'and 'see') of intricate biological processes within …

In this work, deformable and chromatic hydrogel triggered by multi-stimuli was fabricated.
This hydrogel was composed of N-isopropylacrylamide (NIPAAm), acryl-6-aminocaproic …

Abstract 1′-(4′-carboxybutyl)− 3′, 3′-dimethyl-6-nitro-8-hydroxylspiro [chromene-2, 2′-
indoline](SPC) is a visual, selective, and sensitive detector to lead (Pb 2+) ions. The …

Qualitative and quantitative analysis of magnesium at concentration levels as low as parts
per billion (ppb) is a basic, fundamental and practical concern. The present study displays …

For fast and visual detection of multiple metal ions, herein, a re-usable colorimetric
polymeric gel with spiropyran moiety was fabricated. Under ultraviolet light, the spiropyran …