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Roy D, Majhi K, Mondal MK, Saha SK, Sinha S, Chowdhury P. Silicon Quantum Dot-Based Fluorescent Probe: Synthesis Characterization and Recognition of Thiocyanate in Human Blood. ACS OMEGA 2018; 3:7613-7620. [PMID: 30087919 PMCID: PMC6068596 DOI: 10.1021/acsomega.8b00844] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Accepted: 06/25/2018] [Indexed: 06/08/2023]
Abstract
Allylamine-functionalized silicon quantum dots (ASQDs) of high photostability are synthesized by a robust inverse micelle method to use the material as a fluorescent probe for selective recognition of thiocyanate (a biomarker of a smoker and a nonsmoker). The synthesized ASQDs were characterized by absorption, emission, and Fourier transform infrared spectroscopy. Surface morphology is studied by transmission electron microscopy and dynamic light scattering. The synthesized material exhibits desirable fluorescence behavior with a high quantum yield. A selective and accurate (up to 10-10 M) method of sensing of thiocyanate anion is developed based on fluorescence amplification and quenching of ASQDs. The sensing mechanism is investigated and interpreted with a crystal clear mechanistic approach through the modified Stern-Volmer plot. The developed material and the method is applied to recognize the anion in the human blood sample for identification of the degree of smoking. The material deserves high potentiality in the field of bio-medical science.
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Affiliation(s)
- Debiprasad Roy
- Polymer
& Nano Research Laboratory, Department of Chemistry, and Integrated Science
Education and Research Centre, Siksha Bhavana, Visva-Bharati University, Santiniketan 731 235, India
| | - Koushik Majhi
- Polymer
& Nano Research Laboratory, Department of Chemistry, and Integrated Science
Education and Research Centre, Siksha Bhavana, Visva-Bharati University, Santiniketan 731 235, India
| | - Maloy Kr. Mondal
- Polymer
& Nano Research Laboratory, Department of Chemistry, and Integrated Science
Education and Research Centre, Siksha Bhavana, Visva-Bharati University, Santiniketan 731 235, India
| | - Swadhin Kr. Saha
- Polymer
& Nano Research Laboratory, Department of Chemistry, and Integrated Science
Education and Research Centre, Siksha Bhavana, Visva-Bharati University, Santiniketan 731 235, India
| | - Subrata Sinha
- Polymer
& Nano Research Laboratory, Department of Chemistry, and Integrated Science
Education and Research Centre, Siksha Bhavana, Visva-Bharati University, Santiniketan 731 235, India
| | - Pranesh Chowdhury
- Polymer
& Nano Research Laboratory, Department of Chemistry, and Integrated Science
Education and Research Centre, Siksha Bhavana, Visva-Bharati University, Santiniketan 731 235, India
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Adhikary J, Chakraborty P, Samanta S, Zangrando E, Ghosh S, Das D. Thiocyanate mediated structural diversity in phenol based "end-off" compartmental ligand complexes of group 12 metal ions: Studies on their photophysical properties and phosphatase like activity. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 178:114-124. [PMID: 28171815 DOI: 10.1016/j.saa.2017.01.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 12/30/2016] [Accepted: 01/22/2017] [Indexed: 06/06/2023]
Abstract
The reaction of a pentadentate compartmental ligand LH, namely 4-tert-Butyl-2,6-bis-[(2-pyridin-2-yl-ethylimino)-methyl]-phenol, with group 12 metal ions (ZnII, CdII, HgII) followed by addition of NaSCN afforded one discrete dinuclear complex [Zn2(L)(SCN)3](1), and two polymeric 1D species [Cd2.5(L)(SCN)3(AcO)]n (2) and [Hg2(L)(SCN)3]n (3). All the complexes have been structurally characterized by single crystal X-ray diffraction. The crystal structure of the complexes reveals different coordination modes of thiocyanate anion that affect the different topology detected in the compounds: the anions are μ1-NCS and μ1,1-NCS connected in complex 1, while μ1,3-NCS bridging mode is observed in 2, and μ1-SCN and μ1,3-NCS in 3. The polymeric Hg complex of the bicompartmental ligand system here reported is unprecedented. Detail study of their photophysical properties including the phosphorescence spectra at 77K has been done. Phosphatase like activity of all the three complexes has been performed in DMSO-H2O medium and their activity follows the order of 1>2>>3.
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Affiliation(s)
- Jaydeep Adhikary
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700 009, India; Department of Chemical Sciences, Ariel University, Ariel 40700, Israel
| | - Prateeti Chakraborty
- Department of Chemistry, School of Basic Sciences and Research, Sharda University, Greater Noida, Uttar Pradesh 201306, India
| | - Sugata Samanta
- Department of Chemistry, Presidency University, Kolkata 700073, India
| | - Ennio Zangrando
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via L. Giorgieri 1, 34127 Trieste, Italy
| | - Sanjib Ghosh
- The School of Science, Adamas University, Barasat, West Bengal, India.
| | - Debasis Das
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700 009, India.
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Majumdar D, Das S, Biswas JK, Mondal M. Synthesis, structure, fluorescent property, and antibacterial activity of new Cd(II) metal complex based on multidentate Schiff base ligand N,N′-Bis(3-methoxysalicylidenimino)-1,3-diaminopropane. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.01.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Ma DY, Qin L, Lei JM, Liang YQ, Lin WJ, Yan JJ, Ding WQ, Guo HF, Ling Y. Structural diversity of a series of coordination polymers built from 5-substituted isophthalic acid with or without a methyl-functionalized N-donor ligand. CrystEngComm 2016. [DOI: 10.1039/c5ce02314a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nine new zinc/cadmium-based CPs derived from X-H2BDC (X = H, Br, NO2 and CH3) and methyl-functionalized dmbpy ligands have been prepared. Their luminescent properties and the pH-dependent stabilities in aqueous solutions were investigated.
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Affiliation(s)
- De-Yun Ma
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
| | - Liang Qin
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
| | - Jia-Mei Lei
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
- Chemical Engineering College of Inner Mongolia University of Technology
- Hohhot 010051, China
| | - Yun-Qiu Liang
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
| | - Wei-Jie Lin
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
| | - Jing-Jing Yan
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
| | - Wan-Qiu Ding
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
| | - Hai-Fu Guo
- School of Chemistry and Chemical Engineering
- Zhaoqing University
- Zhaoqing 526061, PR China
| | - Yun Ling
- Department of Chemistry
- Fudan University
- Shanghai, PR China
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Das S, Lohar S, Matalobos JS, Das D. Visible Light Excitable SCN−Selective Fluorescence Probe Derived from Thiophene. CHINESE J CHEM 2015. [DOI: 10.1002/cjoc.201500499] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Ghosh AK, Singha Mahapatra T, Clérac R, Mathonière C, Bertolasi V, Ray D. Direct C–N Coupling in an in Situ Ligand Transformation and the Self-Assembly of a Tetrametallic [NiII4] Staircase. Inorg Chem 2015; 54:5136-8. [DOI: 10.1021/acs.inorgchem.5b00411] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Aloke Kumar Ghosh
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, India
| | | | - Rodolphe Clérac
- CNRS, CRPP, UPR 8641, F-33600 Pessac, France
- Univ. Bordeaux, CRPP, UPR 8641, F-33600 Pessac, France
| | - Corine Mathonière
- CNRS, ICMCB, UPR 9048, F-33600 Pessac, France
- Univ. Bordeaux, ICMCB, UPR 9048, F-33600 Pessac, France
| | - Valerio Bertolasi
- Dipartimento di Scienze
Chimiche e Farmaceutiche and Centro di Strutturistica Diffrattometrica, Università di Ferrara, via L. Borsari, 46, I44121 Ferrara, Italy
| | - Debashis Ray
- Department of Chemistry, Indian Institute of Technology, Kharagpur 721 302, India
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