The dual use of the pyranine (HPTS) fluorescent probe: A ground-state pH indicator and an excited-state proton transfer probe

R Nandi, N Amdursky - Accounts of Chemical Research, 2022 - ACS Publications
Conspectus Molecular fluorescent probes are an essential experimental tool in many fields,
ranging from biology to chemistry and materials science, to study the localization and other …

Design and applications of metastable-state photoacids

Y Liao - Accounts of chemical research, 2017 - ACS Publications
Conspectus Proton transfer is one of the most common processes in nature, and many
chemical, material, and biological processes are sensitive to proton concentration, from acid …

Long-lived photoacid based upon a photochromic reaction

Z Shi, P Peng, D Strohecker, Y Liao - Journal of the American …, 2011 - ACS Publications
A visible-light activatable photoacid has been studied, which upon irradiation, changes from
a weak acid, with ap K a of 7.8, to a strong acid, which achieves nearly complete proton …

Photoinduced proton‐transfer reactions for mild O‐H functionalization of unreactive alcohols

S Jana, Z Yang, F Li, C Empel, J Ho… - Angewandte Chemie …, 2020 - Wiley Online Library
Hexafluoroisopropanol is typically considered as an unreactive solvent and not as a reagent
in organic synthesis. Herein, we report on a mild and efficient photochemical reaction of aryl …

Photochemistry and photophysics in silica-based materials: ultrafast and single molecule spectroscopy observation

N Alarcos, B Cohen, M Ziółek, A Douhal - Chemical Reviews, 2017 - ACS Publications
Silica-based materials (SBMs) are widely used in catalysis, photonics, and drug delivery.
Their pores and cavities act as hosts of diverse guests ranging from classical dyes to drugs …

Modulation of the photophysical properties of curcumin in nonionic surfactant (Tween-20) forming micelles and niosomes: a comparative study of different …

S Mandal, C Banerjee, S Ghosh… - The Journal of …, 2013 - ACS Publications
The modulation of the photophysical properties of curcumin inside two different types of
microenvironments provided by nonionic surfactant forming micelles and vesicles …

Superior photoprotective motifs and mechanisms in eumelanins uncovered

A Corani, A Huijser, T Gustavsson… - Journal of the …, 2014 - ACS Publications
Human pigmentation is a complex phenomenon commonly believed to serve a
photoprotective function through the generation and strategic localization of black insoluble …

Photochemical O–H functionalization of aryldiazoacetates with phenols via proton transfer

C Empel, S Jana, C Pei, TV Nguyen… - Organic Letters, 2020 - ACS Publications
In this work, we report a thorough investigation of the reaction of phenols with
aryldiazoacetates. Mechanistic studies using different spectroscopic methods and …

Exploring fast proton transfer events associated with lateral proton diffusion on the surface of membranes

N Amdursky, Y Lin, N Aho… - Proceedings of the …, 2019 - National Acad Sciences
Proton diffusion (PD) across biological membranes is a fundamental process in many
biological systems, and much experimental and theoretical effort has been employed for …

Long‐range proton conduction across free‐standing serum albumin Mats

N Amdursky, X Wang, P Meredith… - Advanced …, 2016 - Wiley Online Library
In this study, we explore the use of protein-based materials as long-range proton
conductors. Due to the abundance of water molecules inside the protein structure and the …