Sandra Ast

Combined “dual” absorption and fluorescence smartphone spectrometers

Md Arafat Hossain, John Canning, Sandra Ast et al. · Optics Letters · 2015 · 106 citations

Lab-in-a-Phone: Smartphone-Based Portable Fluorometer for pH Measurements of Environmental Water

Arafat Hossain, John Canning, Sandra Ast et al. · IEEE Sensors Journal · 2014 · 105 citations · Full text

A Highly K⁺‐Selective Phenylaza‐[18]crown‐6‐Lariat‐Ether‐Based Fluoroionophore and Its Application in the Sensing of K⁺ Ions with an Optical Sensor Film and in Cells

Sandra Ast, Thomas Schwarze, Holger Müller et al. · Chemistry - A European Journal · 2013 · 70 citations

High Na+ and K+-induced fluorescence enhancement of a π-conjugated phenylaza-18-crown-6-triazol-substituted coumarin fluoroionophore

Sandra Ast, Holger Müller, Roman Flehr et al. · Chemical Communications · 2011 · 45 citations

Reversing the Triazole Topology in a Cyclam‐Triazole‐Dye Ligand Gives a 10‐Fold Brighter Signal Response to Zn²⁺ in Aqueous Solution

Sandra Ast, Peter J. Rutledge, Matthew H. Todd · European Journal of Inorganic Chemistry · 2012 · 43 citations

Inorganic Chemistry, Cyclam‐triazole‐dye Ligand, Photochemistry +12