Results 181 to 190 of about 1,028 (242)

Core-Twisted, Cationic Perylene Diimides; Homochiral Dimerization and Chiroptical Anion Sensing. [PDF]

Chemistry
Hartmann D, Hillis JS, Walker LE, Barendt TA.   +3 more
europepmc   +1 more source

Chiral Transformation of a Nanostructured Silver Film by Illumination with Circularly Polarized Light. [PDF]

ACS Nano
Dadadzhanov DR, Petrov NS, Gladskikh IA, Feferman D, Toropov NA, Gu L, Yu P, Wang Z, Vartanyan TA, Govorov AO, Markovich G.   +10 more
europepmc   +1 more source

DNA Duplex Engineering for Enantioselective Fluorescent Sensor

Analytical Chemistry, 2017
The rapid identification of biomacromolecule structure that has a specific association with chiral enantiomers especially from natural sources will be helpful in developing enantioselective sensor and in speeding up drug exploitation. Herein, owing to its existence also in living cells, apurinic/apyrimidinic site (AP site) was first engineered into ds ...
Yuehua Hu, Fan Lin, Tao Wu, Yufeng Zhou, Qiusha Li, Yong Shao, Zhiai Xu   +6 more
openaire   +3 more sources

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A Practical Enantioselective Fluorescent Sensor for Mandelic Acid

Journal of the American Chemical Society, 2002
A novel optically active bisbinaphthyl fluorescent sensor, (S,S)- or (R,R)-1, is designed for the recognition of chiral alpha-hydroxycarboxylic acids. A convenient method has been developed to synthesize this compound. It is observed that (S)-mandelic acid enhances the fluorescence intensity of the (S,S)-sensor significantly more than (R)-mandelic acid
Qiao-Sheng Hu, Ming-Hua Xu, Lin Pu
exaly   +3 more sources

An Enantioselective Fluorescent Sensor for Sugar Acids

Journal of the American Chemical Society, 2004
Chiral fluorescent boronic acid 1 was found to be a highly enantioselective, chemoselective, and sensitive sensor for sugar acids, such as tartaric acid. Enantioselectivities (K(R)/K(S)) of up to 550:1, chemoselectivity up to 11,000:1, and sensitivities in the micromolar range with sensor 1 were observed.
Jianzhang Zhao, Matthew G Davidson, Mary F Mahon   +2 more
exaly   +3 more sources

A chiral, porous, organic cage‐based, enantioselective potentiometric sensor for 2‐aminobutanol

Chirality, 2017
AbstractA new enantioselective potentiometric sensor containing R‐type chiral porous organic cage CC9 as the chiral selector was designed for the assay of 2‐aminobutanol. Optimized membrane electrodes displayed a linear dynamic range from 10−3 ~ 10−1 mol·L−1 with a detection limit of 2.5 × 10−4 mol·L−1 and a Nernstian response of 27 ± 0.5mV·decade−1 ...
Ai-Hong Duan, Bang-Jin Wang, Sheng-Ming Xie   +2 more
exaly   +3 more sources

An electrochemical sensor based on cellulose nanocrystal for the enantioselective discrimination of chiral amino acids

Analytical Biochemistry, 2016
A novel electrochemical sensor based on 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanocrystals (TOCNCs) and l-cystines (l-Cys) modified Au electrode (TOCNC/l-Cys/Au) has been fabricated for detection and discrimination of the enantiomers of phenylalanine (Phe), leucine (Leu), and valine (Val).
Shuqing Dong, Yaming Sun, Xiaoquan Lu
exaly   +3 more sources

Label‐free Electrochemiluminescent Enantioselective Sensor for Distinguishing between Chiral Metallosupramolecular Complexes

Chemistry - A European Journal, 2014
AbstractChiral molecular recognition of DNA is important for rational drug design and for developing structural probes of DNA conformation. Developing a convenient and inexpensive assay for sensitive and selective identification of DNA‐specific binding compounds with rapid, easy manipulation is in ever‐increasing demand.
Li Wu, Chuanqi Zhao, Jinsong Ren
exaly   +3 more sources

Enantioanalysis of Serine Using Stochastic Enantioselective Sensors

Journal of The Electrochemical Society, 2023
Enantioanalysis of serine can act as a key factor for metabolomics of colon cancer. Therefore, two stochastic enantioselective sensors based on nanographene and copper oxide modified with calix[6]arene and calix[4]arene-25,26,27,28-tetrol have been designed, characterised and validated.
Raluca-Ioana Stefan-van Staden, Cristina Bianca Ion, Ramona Georgescu-State   +2 more
openaire   +1 more source