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Nikpassand M, Hassanzadi L, Fekri LZ. The solid state synthesis of novel pyrazolyl-5-amino-pyrazole-4-carbonitrile derivatives using Fe 3O 4@SP@TA nanocomposites as a novel, green, and magnetically separable catalyst. INORG NANO-MET CHEM 2023. [DOI: 10.1080/24701556.2023.2166075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
| | - Lida Hassanzadi
- Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran
| | - Leila Zare Fekri
- Department of Chemistry, Payame Noor University, Tehran, Rasht, Iran
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Silica Meets Tannic Acid: Designing Green Nanoplatforms for Environment Preservation. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27061944. [PMID: 35335307 PMCID: PMC8948831 DOI: 10.3390/molecules27061944] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 12/04/2022]
Abstract
Hybrid tannic acid-silica-based porous nanoparticles, TA-SiO2 NPs, have been synthesized under mild conditions in the presence of green and renewable tannic acid biopolymer, a glycoside polymer of gallic acid present in a large part of plants. Tannic acid (TA) was exploited as both a structuring directing agent and green chelating site for heavy metal ions recovery from aqueous solutions. Particles morphologies and porosity were easily tuned by varying the TA initial amount. The sample produced with the largest TA amount showed a specific surface area an order of magnitude larger than silica nanoparticles. The adsorption performance was investigated by using TA-SiO2 NPs as adsorbents for copper (II) ions from an aqueous solution. The effects of the initial Cu2+ ions concentration and the pH values on the adsorption capability were also investigated. The resulting TA-SiO2 NPs exhibited a different adsorption behaviour towards Cu2+, which was demonstrated through different tests. The largest adsorption (i.e., ~50 wt% of the initial Cu2+ amount) was obtained with the more porous nanoplatforms bearing a higher final TA content. The TA-nanoplatforms, stable in pH value around neutral conditions, can be easily produced and their use would well comply with a green strategy to reduce wastewater pollution.
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Nikpassand M, Fekri LZ, Varma RS, Hassanzadi L, Pashaki FS. Green synthesis of novel 5-amino-bispyrazole-4-carbonitriles using a recyclable Fe3O4@SiO2@vanillin@thioglycolic acid nano-catalyst. RSC Adv 2022; 12:834-844. [PMID: 35425101 PMCID: PMC8978698 DOI: 10.1039/d1ra08001f] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 12/21/2021] [Indexed: 01/02/2023] Open
Abstract
Bis(thioglycolic acid)-vanillin silica-coated Fe3O4 MNPs were synthesized, and tested as a catalyst.
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Affiliation(s)
| | - Leila Zare Fekri
- Department of Chemistry, Payame Noor University, PO Box 19395-3697, Tehran, Iran
| | - Rajender S. Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
| | - Lida Hassanzadi
- Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran
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Jafarian Z, Nikpassand M, Pourahmad A, Fekri LZ. Synthesis of Novel fused Azo-linked acridine derivatives using GO-ZnO nanocomposite. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Dos Santos Morales P, Mantovani Dos Santos P, Evaristo de Carvalho A, Zanetti Corazza M. Vortex-assisted magnetic solid-phase extraction of cadmium in food, medicinal herb, and water samples using silica-coated thiol-functionalized magnetic multiwalled carbon nanotubes as adsorbent. Food Chem 2021; 368:130823. [PMID: 34404005 DOI: 10.1016/j.foodchem.2021.130823] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 08/05/2021] [Accepted: 08/06/2021] [Indexed: 01/10/2023]
Abstract
The current work focuses on the facile and effective synthesis of a new nanocomposite based on multiwalled carbon nanotubes (MWCNT) decorated with magnetic core-shell Fe3O4@SiO2 and functionalized with 3-mercaptopropyltrimethoxysilane (3-MPTS) used in the vortex-assisted dispersive magnetic solid-phase extraction (VA-DMSPE) of Cd(II) ions in environmental and food samples. The nanocomposite was characterized and the parameters that influenced the VA-DMSPE were optimized through a fractional factorial design 25-1. The proposed method provided a preconcentration factor of 33.14 times, detection and quantification limits of 0.090 μg L-1 and 0.302 μg L-1, respectively, and a linearity range of 0.001-40.0 μg L-1. The developed method was effectively applied to preconcentrate and determine Cd(II) in water, tobacco, green tea leaves, ginkgo biloba, carrots, and rice samples, and its accuracy was evaluated using GF AAS.
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Affiliation(s)
- Priscilla Dos Santos Morales
- Universidade Federal da Grande Dourados, Faculdade de Ciências Exatas e Tecnologia, Rod. Dourados-Itahum, Km 12, Cidade Universitária, Dourados, MS CEP 79804-970, Brazil
| | - Paula Mantovani Dos Santos
- Universidade Federal da Grande Dourados, Faculdade de Ciências Exatas e Tecnologia, Rod. Dourados-Itahum, Km 12, Cidade Universitária, Dourados, MS CEP 79804-970, Brazil; Departamento de Química, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, PR 445 Km 380, Campus Universitário, Londrina, PR CEP 86051-990, Brazil
| | - Adriana Evaristo de Carvalho
- Universidade Federal da Grande Dourados, Faculdade de Ciências Exatas e Tecnologia, Rod. Dourados-Itahum, Km 12, Cidade Universitária, Dourados, MS CEP 79804-970, Brazil
| | - Marcela Zanetti Corazza
- Universidade Federal da Grande Dourados, Faculdade de Ciências Exatas e Tecnologia, Rod. Dourados-Itahum, Km 12, Cidade Universitária, Dourados, MS CEP 79804-970, Brazil; Departamento de Química, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, PR 445 Km 380, Campus Universitário, Londrina, PR CEP 86051-990, Brazil
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