Sandra Ast

TL;DR: A combined "dual" absorption and fluorescence smartphone spectrometer is demonstrated, self-contained within a 3D printed case and powered from the smartphone battery; the design can be scaled to add further excitation sources.

TL;DR: A novel portable fluorometer combining the attributes of a smartphone with an easy-fit, simple and compact sample chamber fabricated using 3-D printing has been developed for pH measurements of environmental water in the field.

TL;DR: It is revealed that compound 1 is an excellent probe for K(+) ions under simulated physiological conditions and the presence of a 2-methoxyethoxy lariat group at the ortho position of the anilino moiety is crucial to the substantially increased stability of compounds 1 and 2 over their lariat-free phenylaza-[18]crown-6 ether analogues.

TL;DR: In this article, using a field-portable, smartphone fluorimeter to assess water quality based on the pH response of a designer probe, a map of pH of public tap water sites has been obtained.

TL;DR: A 1,2,3-triazol fluoroionophore for detecting Na(+) shows in vitro enhancement in the Na(+)-induced fluorescence intensity and decay time and is incorporated into a hydrogel as a part of a fiber optical sensor.