scholarly journals Selective sensing of nitric oxide by a 9,10-phenanthroquinone–pyridoxal based fluorophore

2018 ◽  
Vol 17 (9) ◽  
pp. 1213-1221 ◽  
Author(s):  
Debjani Maiti ◽  
Abu Saleh Musha Islam ◽  
Mihir Sasmal ◽  
Chandraday Prodhan ◽  
Mahammad Ali
Keyword(s):  
Nitric Oxide ◽  
Detection Limit ◽  
Cell Imaging ◽  
Low Detection Limit ◽  
Imaging Application ◽  
Low Cytotoxicity

A highly selective N-nitrosation based nitric oxide probe of low cytotoxicity and low detection limit with cell imaging application is reported here.

scholarly journals Correction: A smart molecular probe for selective recognition of nitric oxide in 100% aqueous solution with cell imaging application and DFT studies

2019 ◽  
Vol 17 (10) ◽  
pp. 2825-2825 ◽  
Author(s):  
Ananya Dutta ◽  
Abu Saleh Musha Islam ◽  
Debjani Maiti ◽  
Mihir Sasmal ◽  
Chandraday Prodhan ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Aqueous Solution ◽  
Cell Imaging ◽  
Molecular Probe ◽  
Selective Recognition ◽  
Dft Studies ◽  
Imaging Application

Correction for ‘A smart molecular probe for selective recognition of nitric oxide in 100% aqueous solution with cell imaging application and DFT studies’ by Ananya Dutta et al., Org. Biomol. Chem., 2019, DOI: 10.1039/c9ob00177h.

A smart molecular probe for selective recognition of nitric oxide in 100% aqueous solution with cell imaging application and DFT studies

2019 ◽  
Vol 17 (9) ◽  
pp. 2492-2501 ◽  
Author(s):  
Ananya Dutta ◽  
Abu Saleh Musha Islam ◽  
Debjani Maiti ◽  
Mihir Sasmal ◽  
Chandradoy Pradhan ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Aqueous Solution ◽  
Cell Imaging ◽  
Fluorescent Sensor ◽  
Molecular Probe ◽  
Selective Recognition ◽  
Dft Studies ◽  
Imaging Application

A simple, least-cytotoxic as well as an efficient fluorescent sensor HqEN480 recognizes NO in 100% aqueous solution with cell imaging application.

Rhodamine-based lysosome-targeted fluorescence probes: high pH sensitivity and their imaging application in living cells

RSC Advances ◽  
2014 ◽  
Vol 4 (64) ◽  
pp. 33975-33980 ◽  
Author(s):  
Kang-Kang Yu ◽  
Kun Li ◽  
Ji-Ting Hou ◽  
Hui-Huan Qin ◽  
Yong-Mei Xie ◽  
...  
Keyword(s):  
Cell Imaging ◽  
Click Reaction ◽  
Living Cells ◽  
Ph Sensitivity ◽  
Fluorescence Probes ◽  
Reaction Cell ◽  
Imaging Application ◽  
Low Cytotoxicity ◽  
Ph Probes ◽  
Excellent Photostability

Two rhodamine-based pH probes were synthesized via the click reaction. Cell imaging experiments demonstrated RhPA was a good lysosome targeting probe in living cells with low cytotoxicity and excellent photostability.

scholarly journals A 3,5-dinitropyridin-2yl substituted naphthalimide-based fluorescent probe for the selective detection of biothiols and its application in cell-imaging

RSC Advances ◽  
2021 ◽  
Vol 11 (16) ◽  
pp. 9290-9295
Author(s):  
Yihua Zhuo ◽  
Yanyu Zhang ◽  
Yadong Feng ◽  
Yuqing Xu ◽  
Qihua You ◽  
...  
Keyword(s):  
Detection Limit ◽  
Response Time ◽  
Fluorescent Probe ◽  
Cell Imaging ◽  
Living Cells ◽  
Selective Detection ◽  
Satisfactory Response ◽  
Low Detection Limit

A highly selective OFF–ON fluorescent probe has been developed for the sensing of biothiols with a satisfactory response time and low detection limit. Also, the probe can be successfully applied for the sensing of biothiols in living cells.

Dansyl-appended CuII-complex-based nitroxyl (HNO) sensing with living cell imaging application and DFT studies

2019 ◽  
Vol 48 (8) ◽  
pp. 2760-2771 ◽  
Author(s):  
Debjani Maiti ◽  
Abu Saleh Musha Islam ◽  
Ananya Dutta ◽  
Mihir Sasmal ◽  
Chandraday Prodhan ◽  
...  
Keyword(s):  
Nitric Oxide ◽  
Copper Complex ◽  
Cell Imaging ◽  
High Selectivity ◽  
Dft Studies ◽  
Sulfur Species ◽  
Turn On ◽  
Imaging Application ◽  
Fluorescence Turn On ◽  
Living Cell Imaging

We introduce herein, a novel copper complex-based fluorescent probe[CuII(DQ468)Cl]+that exhibits a significant fluorescence turn-on response towards nitroxyl with high selectivity over other biological reactive oxygen, nitrogen and sulfur species, including nitric oxide.

Insecticide Residues on 1972 U.S. Auction-Market Tobacco

1975 ◽  
Vol 8 (1) ◽  
Author(s):  
J. J. Domanski ◽  
P. L. Haire ◽  
T.J. Sheets
Keyword(s):  
Detection Limit ◽  
Auction Market ◽  
Insecticide Residues ◽  
Low Detection Limit ◽  
Average Residue ◽  
The Individual ◽  
In Fire

AbstractAverage residue Ievels of DDT + TDE in flue-cured tobacco decreased from 6.1 ppm in 1970 to 0.85 ppm in 1972. DDT + TDE residues in Burley also dropped sharply from previous levels. In 1972 one sample from Kentucky contained 8.17 ppm; all other Burley samples were less than 0.25 ppm. DDT + TDE residues also declined in fire-cured and air-cured types; of these samples Tennessee dark air-cured tobacco contained the highest average residue (3.5 ppm of DDT + TDE). In 1972 over 90 % of the flue-cured samples were positive for toxaphene. Since each of our samples was a composite of tobacco from 10 farmers, we cannot conclude from this result that 90 % of the individual piles contained toxaphene. Significant amounts of toxaphene were found in other types also; for example, 50 % of the 1972 Burley samples had toxaphene concentrations greater than 0.5 ppm. Average endosulfan levels decreased between 1970 and 1972 in flue-cured and Burley tobaccos. However, in all of the dark air and dark fire-cured samples from Tennessee endosulfan residues exceeded 5 ppm. Average endrin residues were at or near the low detection limit in alI samples except fire-cured and dark air-cured tobacco from Tennessee; these averaged 0.26 and 0.17 ppm, respectively.

A simple method to construct a low-cost immunosensor based on a dithiol-functionalized polydopamine platform

2021 ◽  
Author(s):  
Bo Liu ◽  
Luanying Yang ◽  
Gang Wang ◽  
Sha He ◽  
Xiaobo Wang ◽  
...  
Keyword(s):  
Detection Limit ◽  
Linear Response ◽  
Low Cost ◽  
Covalent Immobilization ◽  
The Self ◽  
Simple Method ◽  
Low Detection Limit

A simple and low-cost electrochemical CEA immunosensor was investigated via the self-polymerization of dopamine and a dithiol compound spacer for the covalent immobilization of antibodies. The designed CEA immunosensor exhibited a linear response and a low detection limit.

An ultra-highly sensitive and selective self-enhanced AIECL sensor for public security early warning in a nuclear emergency via a co-reactive group poisoning mechanism

2021 ◽  
Author(s):  
Ziyu Wang ◽  
Meiyun Xu ◽  
Nan Zhang ◽  
Jian-Bin Pan ◽  
Xinqi Wu ◽  
...  
Keyword(s):  
Detection Limit ◽  
Early Warning ◽  
High Selectivity ◽  
Public Security ◽  
Reactive Group ◽  
Low Detection Limit ◽  
Highly Sensitive ◽  
Vapor Sensors ◽  
Nuclear Emergency

A mechanism of co-reactive group poisoning (CGP) was discovered for designing efficient I2 vapor sensors for early warning of a nuclear emergency, which give an ultra-low detection limit of 0.13 ppt as well as high selectivity.

Bifunctional 4MBA mediated recyclable SERS-based immunoassay induced by photocatalytic activity of TiO2 nanotube arrays

2016 ◽  
Vol 18 (34) ◽  
pp. 23795-23802 ◽  
Author(s):  
Xiaolong Wang ◽  
Lu Zhou ◽  
Wei Lai ◽  
Tao Jiang ◽  
Jun Zhou
Keyword(s):  
Density Functional Theory ◽  
Photocatalytic Activity ◽  
Detection Limit ◽  
Uv Irradiation ◽  
Density Functional ◽  
Tio2 Nanotube Arrays ◽  
Tio2 Nanotube ◽  
Nanotube Arrays ◽  
Functional Theory ◽  
Low Detection Limit

We present a recyclable SERS-based immunoassay for CA19-9 with a low detection limit of 5 U mL−1. The linking between TiO2-NTs and 4MBA was destroyed by catalyzing 4MBA into 4-sulfobenzoate upon UV irradiation, which was clarified by UPLC/ESI-tqMS and density functional theory.

Electrochemical investigations of 8-hydroxydeoxyguanosine and its determination at an edge plane pyrolytic graphite electrode

RSC Advances ◽  
2016 ◽  
Vol 6 (3) ◽  
pp. 1722-1728 ◽  
Author(s):  
Pankaj Gupta ◽  
Munetaka Oyama ◽  
Rajendra N. Goyal
Keyword(s):  
Detection Limit ◽  
Electrochemical Oxidation ◽  
Graphite Electrode ◽  
Pyrolytic Graphite ◽  
Low Detection Limit ◽  
Pyrolytic Graphite Electrode

Electrochemical oxidation of 8-hydroxydeoxyguanosine (8-OHdG) and its detection with low detection limit is reported at pyrolytic graphite electrode.

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