A fluorescent probe for lipid droplet polarity imaging with low viscosity crosstalk

B Lin, Z Li, Q Zan, L Fan, Y Shu, J Wang - Analyst, 2023 - pubs.rsc.org
Monitoring the variations of lipid droplet (LD) polarity is of great significance for the
investigation of LD-related cellular metabolism and function. We hereby report a lipophilic …

Basic Fluorescent Protonation-Type pH Probe Sensitive to Small ΔpKa of Methanol and Ethanol

T Umeno, R Seto, S Matsumoto, M Fujihara… - Analytical …, 2022 - ACS Publications
An optical pH probe is a simple and effective tool for determining an accurate pH value in its
localized area. However, basic pH probes with p K BH+ values above 8 have rarely been …

Oxidation of an internal‐edge‐substituted [5] helicene‐derived phosphine synchronously enhances circularly polarized luminescence

K Usui, N Narita, R Eto, S Suzuki… - … A European Journal, 2022 - Wiley Online Library
Small chiral organic molecules with CD properties are in high demanded due to their
potential use in promising electronic and biological applications. Herein, we reveal a system …

Chelate-free “turn-on”-type fluorescence detection of trivalent metal ions

S Matsumoto, T Umeno, N Suzuki, K Usui… - Chemical …, 2022 - pubs.rsc.org
Trivalent metal ions are essential elements in materials and life sciences. To date,
fluorescence is the gold standard for the detection of trivalent metal ions, which form a …

Quantitative and Nondestructive Colorimetric Amine Detection Method for the Solid-Phase Peptide Synthesis as an Alternative to the Kaiser Test

T Umeno, M Fujihara, S Matsumoto, N Iizuka… - Analytical …, 2023 - ACS Publications
Solid-phase peptide synthesis (SPPS) is an essential technique for the synthesis of peptide.
For half a century, many amine detection methods have been developed to monitor coupling …

High-Z′ Crystal Structure of Tricyclic Imidazonaphthyridine Derivatives and the Thermal Profiles of Their Polymorphs

S Matsumoto, T Umeno, K Usui… - Crystal Growth & …, 2021 - ACS Publications
The crystal structures and thermal profiles of three crystal polymorphs of tricyclic
imidazonaphthyridine derivatives (INA) were investigated. The aniline derivative INA–AN, in …

Acid responsiveness of emissive morpholinyl aminoquinolines and their use for cell fluorescence imaging

Y Fukumoto, T Umeno, H Kuramochi… - Organic & …, 2022 - pubs.rsc.org
Herein, we report emissive aminoquinoline derivatives (TFMAQ) containing alkylmorpholine
and arylmorpholine groups and their photophysical properties, acid-responsiveness, and …

Concise synthesis of 2, 4-bis (fluoroalkyl) quinoline derivatives from arylamines

Y He, W Zhang, J Hu - Tetrahedron, 2024 - Elsevier
Quinolines and their derivatives bearing fluorine-containing substituents are essential
structural motifs found in numerous bioactive compounds and advanced functional …

A new insight into the push‐pull effect of substituents via the stilbene‐like model compounds

C Cao, Z Zeng, C Cao - Journal of Physical Organic Chemistry, 2022 - Wiley Online Library
In this paper, authors report on 1‐pyridyl‐2‐arylethenes, 1‐furyl‐2‐arylethylenes, 1, 2‐
diphenylpropylenes and substituted cinnamyl anilines as stilbene‐like model compounds to …

Reversible on/off conformational switching of pentafluorobenzoyl amide triggered by acid vapor and sublimation

R Yamasaki, M Harada, A Ito, K Fukuda… - …, 2022 - pubs.rsc.org
Most conformational molecular switches based on an amide skeleton are limited in their use
in solution. We developed a molecular switch with an amide skeleton, which is applicable …