A polymeric film probe with a turn-on fluorescence response to hydrogen sulfate ions in aqueous media

2013 ◽  
Vol 1 (38) ◽  
pp. 5014 ◽  
Author(s):  
Wei Lu ◽  
Jinting Zhou ◽  
Keyuan Liu ◽  
Dan Chen ◽  
Liming Jiang ◽  
...  
Keyword(s):  
Aqueous Media ◽  
Polymeric Film ◽  
Hydrogen Sulfate ◽  
Sulfate Ions ◽  
Fluorescence Response ◽  
Turn On

A dual functional probe for “turn-on” fluorescence response of Pb2+and colorimetric detection of Cu2+based on a rhodamine derivative in aqueous media

2015 ◽  
Vol 44 (39) ◽  
pp. 17326-17334 ◽  
Author(s):  
Min Li ◽  
Xiu-Juan Jiang ◽  
Hui-Hui Wu ◽  
Hong-Lin Lu ◽  
Hai-Yang Li ◽  
...  
Keyword(s):  
Fluorescence Enhancement ◽  
Colorimetric Detection ◽  
Aqueous Media ◽  
Fluorescence Response ◽  
Rhodamine Derivative ◽  
Turn On ◽  
Dual Functional ◽  
Colorimetric Response

A dual functional probeLexhibited a selective fluorescence enhancement response to Pb2+and a sensitive colorimetric response to Cu2+in aqueous media.

A Boronic Acid-Based Fluorescence Hydrogel for Monosaccharide Detection

2018 ◽  
Author(s):  
Suying Xu ◽  
Adam Sedgwick ◽  
Souad Elfecky ◽  
Wenbo Chen ◽  
Ashley Jones ◽  
...  
Keyword(s):  
Fluorescent Probe ◽  
Boronic Acid ◽  
Binding Constants ◽  
Strong Fluorescence ◽  
Fluorescence Response ◽  
Turn On ◽  
Fluorescence Turn On ◽  
Hydrogel System

<p>A boronic acid-based anthracene fluorescent probe was functionalised with an acrylamide unit to incorporate into a hydrogel system for monosaccharide detection<i>. </i>In solution, the fluorescent probe<b> </b>displayed a strong fluorescence turn-on response upon exposure to fructose, and an expected trend in apparent binding constants, as judged by a fluorescence response where D-fructose > D-galactose > D-mannose > D-glucose. The hydrogel incorporating the boronic acid monomer demonstrated the ability to detect monosaccharides by fluorescence with the same overall trend as the monomer in solution with the addition of fructose resulting in a 10-fold enhancement (≤ 0.25 M). <b><u></u></b></p>

Supramolecular architectures in cytosinium 6-chloronicotinate monohydrate and 5-bromo-6-methylisocytosinium hydrogen sulfate

2018 ◽  
Vol 74 (3) ◽  
pp. 325-331
Author(s):  
Robert Swinton Darious ◽  
Nithianantham Jeeva Jasmine ◽  
Ammasai Karthikeyan ◽  
Packianathan Thomas Muthiah ◽  
Franc Perdih
Keyword(s):  
Hydrogen Bonds ◽  
Pyrimidine Ring ◽  
Hydrogen Sulfate ◽  
X Ray Diffraction ◽  
Sulfate Ion ◽  
Sulfate Ions ◽  
Supramolecular Architectures ◽  
Hydrated Salt ◽  
Sheet Structure ◽  
Hydrogen Bonded

Aminopyrimidine derivatives are biologically important as they are components of nucleic acids and drugs. The crystals of two new salts, namely cytosinium 6-chloronicotinate monohydrate, C4H6N3O+·C6H3ClNO2−·H2O, (I), and 5-bromo-6-methylisocytosinium hydrogen sulfate (or 2-amino-5-bromo-4-oxo-6-methylpyrimidinium hydrogen sulfate), C5H7BrN3O+·HSO4−, (II), have been prepared and characterized by single-crystal X-ray diffraction. The pyrimidine ring of both compounds is protonated at the imine N atom. In hydrated salt (I), the primaryR22(8) ring motif (supramolecular heterosynthon) is formedviaa pair of N—H...O(carboxylate) hydrogen bonds. The cations, anions and water molecule are hydrogen bonded through N—H...O, N—H...N, O—H...O and C—H...O hydrogen bonds, formingR22(8),R32(7) andR55(21) motifs, leading to a hydrogen-bonded supramolecular sheet structure. The supramolecular double sheet structure is formedviawater–carboxylate O—H...O hydrogen bonds and π–π interactions between the anions and the cations. In salt (II), the hydrogen sulfate ions are linkedviaO—H...O hydrogen bonds to generate zigzag chains. The aminopyrimidinium cations are embedded between these zigzag chains. Each hydrogen sulfate ion bridges two cationsviapairs of N—H...O hydrogen bonds andvice versa, generating twoR22(8) ring motifs (supramolecular heterosynthon). The cations also interact with one anotherviahalogen–halogen (Br...Br) and halogen–oxygen (Br...O) interactions.

A catalytic triplex DNAzyme for porphyrin metalation

2021 ◽  
Author(s):  
Xiong Zheng ◽  
Mujing Yang ◽  
Tong Yang ◽  
Yun Chang ◽  
Shuzhen Peng ◽  
...  
Keyword(s):  
Triplex Dna ◽  
Fluorescence Response ◽  
Turn On

Trihydroxyphenyl porphyrin (POH3) was designed to specifically bind with a triplex DNA by a resultant turn-on fluorescence response. This ensemble can be developed into a catalytic triplex DNAzyme towards porphyrin...

A “turn-on” fluorescent and colorimetric chemodosimeter for selective detection of Au3+ ions in solution and in live cells via Au3+-induced hydrolysis of a rhodamine-derived Schiff base

2020 ◽  
Vol 44 (19) ◽  
pp. 7954-7961
Author(s):  
Sanchita Mondal ◽  
Saikat Kumar Manna ◽  
Sudipta Pathak ◽  
Aritri Ghosh ◽  
Pallab Datta ◽  
...  
Keyword(s):  
Schiff Base ◽  
Rhodamine B ◽  
Aqueous Media ◽  
Sensitive Detection ◽  
Live Cells ◽  
Selective Detection ◽  
Turn On ◽  
Hydrolysis Of

A chromogenic and “off–on” fluorogenic chemodosimeter (L) based on a naphthalene–rhodamine B derivative was designed, synthesized and characterized for the selective and sensitive detection of Au3+ ions in mixed acetonitrile aqueous media.

A “turn-on” fluorescent sensor for cytosine in aqueous media based on diamino-bridged biphenyl acrylonitrile

2021 ◽  
Author(s):  
Jiaojiao Chen ◽  
Bangyi Zhou ◽  
Yongsheng Li ◽  
Linlu Zheng ◽  
Hongyu Guo ◽  
...  
Keyword(s):  
Fluorescent Sensor ◽  
Aqueous Media ◽  
Turn On

A “turn-on” fluorescent sensor for cytosine in aqueous media was prepared.

Sign in / Sign up

Export Citation Format

Share Document