Results 51 to 60 of about 1,172,898 (296)

Amplified Detection of Iron Ion Based on Plasmon Enhanced Fluorescence and Subsequently Fluorescence Quenching

Nano-Micro Letters, 2014
A facile and rapid approach for detecting low concentration of iron ion (Fe3+) with improved sensitivity was developed on the basis of plasmon enhanced fluorescence and subsequently amplified fluorescence quenching.
Lin Zhou, Han Zhang, Yanping Luan, Si Cheng, Li-Juan Fan   +4 more
doaj   +1 more source

Silver Nanoparticle-Based Fluorescence-Quenching Lateral Flow Immunoassay for Sensitive Detection of Ochratoxin A in Grape Juice and Wine

Toxins, 2017
A silver nanoparticle (AgNP)-based fluorescence-quenching lateral flow immunoassay with competitive format (cLFIA) was developed for sensitive detection of ochratoxin A (OTA) in grape juice and wine samples in the present study.
Hu Jiang, Xiangmin Li, Ying Xiong, Ke Pei, Lijuan Nie, Yonghua Xiong   +5 more
semanticscholar   +1 more source

Mechanistic interaction study of 5,6-Dichloro-2-[2-(pyridin-2-yl)ethyl]isoindoline-1,3-dione with bovine serum albumin by spectroscopic and molecular docking approaches

Saudi Pharmaceutical Journal, 2019
A synthesized and promising biologically hypoglycemic compound 5,6-Dichloro-2-[2-(pyridin-2-yl)ethyl]isoindoline-1,3-dione (5e) was studied for its binding to a model protein (bovine serum albumin; BSA) by spectroscopic and molecular simulation ...
Mohammed M. Alanazi, Abdulrahman A. Almehizia, Ahmed H. Bakheit, Nawaf A. Alsaif, Hamad M. Alkahtani, Tanveer A. Wani   +5 more
doaj   +1 more source

Study on the Interaction Process between Rape Bee Pollen Polyphenols and Pancreatic Lipase by Ultraviolet andFluorescence Spectroscopy

Shipin gongye ke-ji, 2023
In this study, the inhibitory effect of rape bee pollen polyphenols on pancreatic lipase was measured by enzyme kinetics method, and the interaction between pancreatic lipase and rape bee pollen polyphenol extracts was analyzed by the ultravilolet ...
Nan ZHANG, Tongxia HU, Xinli ZHU, Xuemei YANG, Lei WANG, Fan WU, Hongliang LI   +6 more
doaj   +1 more source

Lanthanide-based metal-organic framework nanosheets with unique fluorescence quenching properties for two-color intracellular adenosine imaging in living cells

, 2017
Two-dimensional (2D) materials have attracted tremendous interest as fluorescence quenchers of dye-labeled biomolecules for application in biosensing.
Huai-Song Wang, Jian Li, Jin-Yi Li, Kang Wang, Ya Ding, X. Xia   +5 more
semanticscholar   +1 more source

Detection of Anti-viral Drug Riamilovir and Herbicides in Aqueous Media by Using Pyrene-based Fluorescent Chemosensors

Chimica Techno Acta, 2021
Two ethyleneglycol esters of 1-pyrene carboxylic acid were studied as chemosensors for the fluorescence “turn-off” detection of two nitro-containing analytes, such as antiviral drug Riamilovir (Triazavirin ®) and herbicidal agent dinitro-ortho-cresol ...
I. S. Kovalev, L. K. Sadieva, O. S. Taniya, D. S. Kopchuk, G. V. Zyryanov, E. N. Ulomsky, V. L. Rusinov, O. N. Chupakhin   +7 more
doaj   +1 more source

Single-molecule interfacial electron transfer dynamics manipulated by external electric current

, 2011
Interfacial electron transfer (IET) dynamics in 1,1'-dioctadecyl-3, 3, 3', 3'-tetramethylindodicarbocyanine (DiD) dye molecules / indium tin oxide (ITO) film system have been probed at the ensemble and single-molecule level by recording the change of ...
Biju, Forster, Friend, Guo, Guofeng Zhang, Hania, Hanson, Jin, Kulzer, Lei, Lei, Liantuan Xiao, Lu, Lukosz, Macklin, Midwood, Orrit, Orrit, Palacios, Palacios, Ruiyun Chen, Simonneaux, Suotang Jia, Tak, Uji-i, Vallée, Wang, Wang, Weiss, Wu, Xiaobo Wang, Yan Gao, Yang, Zhang   +33 more
core   +1 more source

Active site voltage clamp fluorometry of the sodium glucose cotransporter hSGLT1. [PDF]

, 2017
In the human sodium glucose cotransporter (hSGLT1) cycle, the protein undergoes conformational changes where the sugar-binding site alternatively faces the external and internal surfaces.
Gorraitz, Edurne, Hirayama, Bruce A, Loo, Donald DF, Paz, Aviv, Wright, Ernest M   +4 more
core   +2 more sources

A robust, scanning quantum system for nanoscale sensing and imaging [PDF]

, 2011
Controllable atomic-scale quantum systems hold great potential as sensitive tools for nanoscale imaging and metrology. Possible applications range from nanoscale electric and magnetic field sensing to single photon microscopy, quantum information ...
A Cuche, A Dreau, A Gruber, A. Yacoby, B Naydenov, B. Hausmann, BC Buchler, BE Kane, BJ Hausmann, BM Chernobrod, C Bradac, C Kurtsiefer, C Lee, CL Degen, E Togan, E Van Oort, F Dolde, F Jelezko, F Wolny, G Balasubramanian, G Balasubramanian, G De Lange, J Michaelis, J Taylor, JR Maze, L Childress, LP McGuinness, M. D. Lukin, M. Loncar, M. S. Grinolds, MS Grinolds, N Lai, P Neumann, P Recher, P. Maletinsky, R Kalish, R. L. Walsworth, S Kuhn, S Pezzagna, S Sekatskii, S. Hong, T Kohashi, TM Babinec   +42 more
core   +3 more sources

Spectroscopic and thermodynamic characterization of the interaction of a new synthesized antitumor drug candidate 2H4MBBH with human serum albumin [PDF]

Pharmacia
In the present work we studied the interactions of a newly synthesized drug candidate, 2-(2-hydroxy-4-methoxybenzylidene)-1-(1H-benzimidazol-2-yl)hydrazine (2H4MBBH), with human serum albumin (HSA) by fluorescence spectroscopy.
Silviya Abarova, Katerina Stoitchkova, Svetlin Tzonev, Maria Argirova, Denitsa Yancheva, Neda Anastassova, Boris Tenchov   +6 more
doaj   +3 more sources