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Nurmamat X, Zhao Z, Ablat H, Ma X, Xie Q, Zhang Z, Tian J, Jia H, Wang F. Application of surface-enhanced Raman scattering to qualitative and quantitative analysis of arsenic species. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4798-4810. [PMID: 37724459 DOI: 10.1039/d3ay00736g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
Given the toxicity of arsenic, there is an urgent need for the development of efficient and reliable detection systems. Raman spectroscopy, a powerful tool for material characterization and analysis, can be used to explore the properties of a wide range of different materials. Surface-enhanced Raman spectroscopy (SERS) can detect low concentrations of chemicals. This review focuses on the progress of qualitative and quantitative studies of the adsorption processes of inorganic arsenic and organic arsenic in aqueous media using Raman spectroscopy in recent years and discusses the application of Raman spectroscopy theory simulations to arsenic adsorption processes. Sliver nanoparticles are generally used as the SERS substrate to detect arsenic. Inorganic arsenic is chemisorbed onto the silver surface by forming As-O-Ag bonds, and the Raman shift difference in the As-O stretching (∼60 cm-1) between As(V) and As(III) allows SERS to detect and distinguish between As(V) and As(III) in groundwater samples. For organic arsenicals, specific compounds can be identified based on spectral differences in the vibration modes of the chemical bonds. Under the same laser excitation, the intensity of the Raman spectra for different arsenic concentrations is linearly related to the concentration, thus allowing quantitative analysis of arsenic. Molecular modeling of adsorbed analytes via density functional theory calculation (DFT) can predict the Raman shifts of analytes in different laser wavelengths.
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Affiliation(s)
- Xamsiya Nurmamat
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Zhixi Zhao
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Hadiya Ablat
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Xiaoyan Ma
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Qingqing Xie
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Ziqi Zhang
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Jianrong Tian
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Huiying Jia
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
| | - Fupeng Wang
- College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, China.
- Xinjiang Key Laboratory of Energy Storage and Photoelectroctalytic Materials, Urumqi 830054, China
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Chen J, Qu C, Lu M, Zhang M, Wu Y, Gao C, Huang Q, Cai P. Extracellular polymeric substances and mineral interfacial reactions control the simultaneous immobilization and reduction of arsenic (As(V)). JOURNAL OF HAZARDOUS MATERIALS 2023; 456:131651. [PMID: 37245361 DOI: 10.1016/j.jhazmat.2023.131651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/18/2023] [Accepted: 05/14/2023] [Indexed: 05/30/2023]
Abstract
Extracellular polymeric substances (EPS) play a crucial role in controlling the mobility and bioavailability of heavy metal(loid)s in water, soils, and sediments. The formation of EPS-mineral complex changes the reactivity of the end-member materials. However, little is known about the adsorption and redox mechanisms of arsenate (As(V)) in EPS and EPS-mineral complexes. Here we examined the reaction sites, valence state, thermodynamic parameters and distribution of As in the complexes using potentiometric titration, isothermal titration calorimetry (ITC), FTIR, XPS, and SEM-EDS. The results showed that ∼54% of As(V) was reduced to As(III) by EPS, potentially driven by an enthalpy change (ΔH) of - 24.95 kJ/mol. The EPS coating on minerals clearly affected the reactivity to As(V). The strong masking of functional sites between EPS and goethite inhibited both the adsorption and reduction of As. In contrast, the weak binding of EPS onto montmorillonite retained more reactive sites for the reaction with As. Meanwhile, montmorillonite facilitated the immobilization of As to EPS through the formation of As-organic bounds. Our findings deepen the understanding of EPS-mineral interfacial reactions in controlling the redox and mobility of As, and the knowledge is important for predicting the behavior of As in natural environments.
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Affiliation(s)
- Jinzhao Chen
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Huazhong Agricultural University, Wuhan 430070, China
| | - Chenchen Qu
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Huazhong Agricultural University, Wuhan 430070, China.
| | - Man Lu
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Ming Zhang
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China.
| | - Yichao Wu
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Chunhui Gao
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qiaoyun Huang
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Huazhong Agricultural University, Wuhan 430070, China
| | - Peng Cai
- National Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China; Hubei Key Laboratory of Soil Environment and Pollution Remediation, Huazhong Agricultural University, Wuhan 430070, China
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Tuly JA, Ma H, Lee HJ, Song JW, Parvez A, Saqib MN, Yaseen W, Xinyan Z. Insights of Keratin geometry from Agro-industrial wastes: A comparative computational and experimental assessment. Food Chem 2023; 418:135854. [PMID: 37023668 DOI: 10.1016/j.foodchem.2023.135854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 02/09/2023] [Accepted: 03/01/2023] [Indexed: 03/12/2023]
Abstract
Understanding the structural properties of keratin is of great importance to managing their potential application in keratin-inspired biomaterials and its management of wastes. In this work, the molecular structure of chicken feather keratin 1 was characterized by AlphaFold2 and quantum chemistry calculation. The predicted IR spectrum of the N-terminal region of feather keratin 1, consisting of 28 amino acid residues, was used to assign the Raman frequencies of the extracted keratin. The MW of experimental samples were 6 & 1 kDa while the predicted MW (∼10 kDa) of β-keratin. Experimental analysis shows the magnetic field treatment could affect the functional and surface structural properties of keratin. The particle size distribution curve illustrates the dispersion of particle size concentration, while TEM analysis demonstrates the reduction of particle diameter to 23.71 ± 1.1 nm following treatment. High-resolution XPS analysis confirmed the displacement of molecular elements from their orbital.
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Affiliation(s)
- Jamila A Tuly
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China; Key Laboratory for Physical Processing of Agricultural Products, Jiangsu University, Zhenjiang, China.
| | - Ho-Jin Lee
- Department of Natural Sciences, Southwest Tennessee Community College, Memphis, TN 38134, USA
| | - Jong-Won Song
- Department of Chemistry Education, Daegu University, Daegudae-ro 201, Gyeongsan-si, Gyeongsangbuk-do 38453, Republic of Korea
| | - Amresh Parvez
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
| | - Md Nazmus Saqib
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Waleed Yaseen
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zhang Xinyan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, Jiangsu, China
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Medeiros Borsagli FGL, Rodrigues JS, Aguiar RA, Paiva AE, Vasquez JFB, Ramos WTDS, Allibrandini P, Rocha EPA, Gonçalves MP, de Souza FE. Low-cost luminescent scaffolds-based on thiol chitosans by microwave radiation for vertebral disc repair/theragnostic. Int J Biol Macromol 2022; 209:2109-2118. [PMID: 35513089 DOI: 10.1016/j.ijbiomac.2022.04.191] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/19/2022] [Accepted: 04/25/2022] [Indexed: 12/18/2022]
Abstract
This study introduces a new 3D scaffold based on thiolated chitosans with luminescence by microwave radiation using cysteine (Chi_CT_Cys) and 11-mercaptoundecanoic acid (Chi_CT_MUA) for vertebral disc regeneration/theragnostic. These scaffolds were characterized by Raman, PL spectroscopy, swelling, gel-fraction, and morphologies. Cytocompatibility and mechanical behavior were evaluated. Raman showed that disulfide bonds improved the grafting degree (Chi_CT_Cys (1072 ± 136) μmol·g-1 and Chi_CT_MUA (3245 ± 105) μmol·g-1). Morphologies showed interesting characteristics. Swelling behavior showed that Chi_CT_MUA presented a slight minor swelling (2101 ± 251) % compared to Chi_CT_Cys (2589 ± 188) %. Differently, gel-fraction showed that the chemical stability of Chi_CT_Cys was worse (29 ± 4) % than Chi_CT_MUA (15 ± 3) %. PL showed a possibility to use theragnostic evaluation of points of greater compression in a vertebral disc. The mechanical behavior of Chi_CT_MUA presented better results ((70 ± 3) MPa) than Chi_CT_Cys ((37 ± 3) MPa). Cytocompatible showed that the scaffolds presented cell viability >90%. Thusly, these 3D scaffolds presented an incredible potential for tissue engineering applications.
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Affiliation(s)
- Fernanda G L Medeiros Borsagli
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil.
| | - Jordane S Rodrigues
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil
| | - Rafaella A Aguiar
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil
| | | | | | - Welyson Tiano do Santos Ramos
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil
| | - Paulo Allibrandini
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil
| | - Elém Patrícia Alves Rocha
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil
| | - Max P Gonçalves
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil
| | - Fidel Edson de Souza
- Institute of Engineering, Science and Technology, Universidade Federal dos Vales do Jequitinhonha e Mucuri/UFVJM, Av. 01, 4050 Cidade Universitária, 39440-039, Janaúba, MG, Brazil
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Ye Y, Zhang T, Lv L, Chen Y, Tang W, Tang S. Functionalization of chitosan by grafting sulfhydryl groups to intensify the adsorption of arsenite from water. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126601] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Oliveira CX, Mocellin A, Menezes de Souza Lima F, Jesus Chaves Neto AM, Lima Azevedo D. DFT Study of L‐Cysteine Fragmentation Route using a Novel Protocol. ChemistrySelect 2019. [DOI: 10.1002/slct.201903453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Carlos Xavier Oliveira
- Institute of Physics University of Brasília Campus Darcy Ribeiro, Asa Norte Brasília-DF Brazil 70919-970
| | - Alexandra Mocellin
- Institute of Physics University of Brasília Campus Darcy Ribeiro, Asa Norte Brasília-DF Brazil 70919-970
| | | | | | - David Lima Azevedo
- Institute of Physics University of Brasília Campus Darcy Ribeiro, Asa Norte Brasília-DF Brazil 70919-970
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Yang M, Sun Y, Zhang X, McCord B, McGoron AJ, Mebel A, Cai Y. Raman spectra of thiolated arsenicals with biological importance. Talanta 2018; 179:520-530. [DOI: 10.1016/j.talanta.2017.11.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 11/14/2017] [Accepted: 11/15/2017] [Indexed: 12/01/2022]
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Garla R, Kaur N, Bansal MP, Garg ML, Mohanty BP. Quantum mechanical treatment of As 3+-thiol model compounds: implication for the core structure of As(III)-metallothionein. J Mol Model 2017; 23:78. [PMID: 28210877 DOI: 10.1007/s00894-017-3247-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Accepted: 01/23/2017] [Indexed: 12/27/2022]
Abstract
Exposure to inorganic arsenic (As) is one of the major health concerns in several regions around the world. Binding of As(III) with thiols is central to the mechanisms related to its toxicity, detoxification, and therapeutic effects. Due to its high thiol content, metallothionein (MT) is presumed to play an important role in case of arsenic toxicity. Consequences of these As-thiol interactions are not yet clear due to various difficulties in the characterization of arsenic bound proteins by spectroscopic techniques. Computational modeling can be a reliable approach in predicting the molecular structures of such complexes. This paper presents the results of a systematic study on different As(III)-thiol model compounds conducted by both ab initio and DFT methods with different Gaussian type basis sets. Proficiency of these theoretical methods has been evaluated in terms of bond lengths, bond angles, free energy, partial atomic charges, computational cost, and comparison with the experimental data. It has been demonstrated that the DFT-B3LYP/6-311+G(3df) functional offers better accuracy in predicting the structure and the UV absorption spectra of As(III)-thiol complexes. The results of the present study also helps in defining the boundaries for the core of arsenic bound MT so that quantum mechanical/molecular mechanical (QM/MM) methods can be employed to predict the structural and functional aspects of the protein. Graphical Abstract Optimized structural parameters of As3+-thiol model compounds.
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Affiliation(s)
- Roobee Garla
- Department of Biophysics, Panjab University, Chandigarh, India, 160014
| | - Narinder Kaur
- Department of Biophysics, Panjab University, Chandigarh, India, 160014
| | | | - Mohan Lal Garg
- Department of Biophysics, Panjab University, Chandigarh, India, 160014
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Sun Y, Liu G, Cai Y. Thiolated arsenicals in arsenic metabolism: Occurrence, formation, and biological implications. J Environ Sci (China) 2016; 49:59-73. [PMID: 28007180 DOI: 10.1016/j.jes.2016.08.016] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 08/24/2016] [Accepted: 08/25/2016] [Indexed: 06/06/2023]
Abstract
Arsenic (As) is a notoriously toxic pollutant of health concern worldwide with potential risk of cancer induction, but meanwhile it is used as medicines for the treatment of different conditions including hematological cancers. Arsenic can undergo extensive metabolism in biological systems, and both toxicological and therapeutic effects of arsenic compounds are closely related to their metabolism. Recent studies have identified methylated thioarsenicals as a new class of arsenic metabolites in biological systems after exposure of inorganic and organic arsenicals, including arsenite, dimethylarsinic acid (DMAV), dimethylarsinous glutathione (DMAIIIGS), and arsenosugars. The increasing detection of thiolated arsenicals, including monomethylmonothioarsonic acid (MMMTAV), dimethylmonothioarsinic acid (DMMTAV) and its glutathione conjugate (DMMTAVGS), and dimethyldithioarsinic acid (DMDTAV) suggests that thioarsenicals may be important metabolites and play important roles in arsenic toxicity and therapeutic effects. Here we summarized the reported occurrence of thioarsenicals in biological systems, the possible formation pathways of thioarsenicals, and their toxicity, and discussed the biological implications of thioarsenicals on arsenic metabolism, toxicity, and therapeutic effects.
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Affiliation(s)
- Yuzhen Sun
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Guangliang Liu
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Yong Cai
- Institute of Environment and Health, Jianghan University, Wuhan 430056, China; Department of Chemistry and Biochemistry&Southeast Environmental Research Center, Florida International University, Miami, FL 33199, USA.
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Hao J, Han MJ, Han S, Meng X, Su TL, Wang QK. SERS detection of arsenic in water: A review. J Environ Sci (China) 2015; 36:152-62. [PMID: 26456617 DOI: 10.1016/j.jes.2015.05.013] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 05/19/2015] [Accepted: 05/21/2015] [Indexed: 05/19/2023]
Abstract
Arsenic (As) is one of the most toxic contaminants found in the environment. Development of novel detection methods for As species in water with the potential for field use has been an urgent need in recent years. In past decades, surface-enhanced Raman scattering (SERS) has gained a reputation as one of the most sensitive spectroscopic methods for chemical and biomolecular sensing. The SERS technique has emerged as an extremely promising solution for in-situ detection of arsenic species in the field, particularly when coupled with portable/handheld Raman spectrometers. In this article, the recent advances in SERS analysis of arsenic species in water media are reviewed, and the potential of this technique for fast screening and field testing of arsenic-contaminated environmental water samples is discussed. The problems that remain in the field are also discussed and an outlook for the future is featured at the end of the article.
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Affiliation(s)
- Jumin Hao
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA; Agiltron Inc., 15 Presidential Way, Woburn, MA 01801, USA.
| | - Mei-Juan Han
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Songman Han
- Department of Chemical Engineering, Renai College of Tianjin University, Tianjin 301636, China
| | - Xiaoguang Meng
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Tsan-Liang Su
- Center for Environmental Systems, Stevens Institute of Technology, Hoboken, NJ 07030, USA
| | - Qingwu K Wang
- Agiltron Inc., 15 Presidential Way, Woburn, MA 01801, USA
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Density functional calculations of molecular structures of arsenic-binding β-domain of metallothioneins-2. COMPUT THEOR CHEM 2015. [DOI: 10.1016/j.comptc.2015.01.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Chen B, Zhu Z, Ma J, Qiu Y, Chen J. Iron Oxide Supported Sulfhydryl-Functionalized Multiwalled Carbon Nanotubes for Removal of Arsenite from Aqueous Solution. Chempluschem 2015; 80:740-748. [DOI: 10.1002/cplu.201402423] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Indexed: 11/06/2022]
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Wang S, Wei M, Huang Y. Biosorption of multifold toxic heavy metal ions from aqueous water onto food residue eggshell membrane functionalized with ammonium thioglycolate. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:4988-96. [PMID: 23663117 DOI: 10.1021/jf4003939] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
A new biosorbent material from eggshell membrane was synthesized through thiol functionalization, which is based on the reduction of disulfide bonds in eggshell membrane by ammonium thioglycolate. The thiol-functionalized eggshell membrane was characterized, and its application as an adsorbent for removal of Cr(VI), Hg(II), Cu(II), Pb(II), Cd(II), and Ag(I) from aqueous water has been investigated. The experimental results revealed that the adsorption abilities of the thiol-functionalized eggshell membrane toward Cr(VI), Hg(II), Cu(II), Pb(II), Cd(II), and Ag(I) improved 1.6-, 5.5-, 7.7-, 12.4-, 12.7-, and 21.1-fold, respectively, compared with that of the eggshell membrane control. The adsorption mechanism and adsorption performance, including the adsorption capacity and the kinetics of the thiol-functionalized eggshell membrane for the target heavy metals, were investigated. The effects of solution pH, coexisting substances, and natural water matrices were studied. The thiol-functionalized eggshell membrane can be used as column packing to fabricate a column for real wastewater purification.
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Affiliation(s)
- Sha Wang
- State Key Laboratory Breeding Base of Eco-Environments and Bio-Resources of the Three Gorges Reservoir Region, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
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Silva GC, Almeida FS, Dantas MSS, Ferreira AM, Ciminelli VST. Raman and IR spectroscopic investigation of As adsorbed on Mn3O4 magnetic composites. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 100:161-165. [PMID: 22612911 DOI: 10.1016/j.saa.2012.04.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2011] [Revised: 04/02/2012] [Accepted: 04/13/2012] [Indexed: 06/01/2023]
Abstract
Raman and IR spectra were recorded of the As-loaded Mn(3)O(4) magnetic composites obtained from the adsorption studies performed with As(III). XANES results for the composite after As(III) removal tests show that the As adsorbed is at the oxidized arsenic form, As(V). Monodentate and bidentate surface complexes are suggested for arsenic adsorption onto the composite (5-16 mg/g). Precipitation of manganese arsenate is observed for high As loading (35 mg/g).
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Affiliation(s)
- Gabriela C Silva
- Department of Metallurgical and Materials Engineering - Universidade Federal de Minas Gerais (UFMG), 31270-901 - Belo Horizonte, Brazil
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Chen SJ, Zhou GB, Zhang XW, Mao JH, de Thé H, Chen Z. From an old remedy to a magic bullet: molecular mechanisms underlying the therapeutic effects of arsenic in fighting leukemia. Blood 2011; 117:6425-37. [PMID: 21422471 PMCID: PMC3123014 DOI: 10.1182/blood-2010-11-283598] [Citation(s) in RCA: 142] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2010] [Accepted: 03/11/2011] [Indexed: 12/29/2022] Open
Abstract
Arsenic had been used in treating malignancies from the 18th to mid-20th century. In the past 3 decades, arsenic was revived and shown to be able to induce complete remission and to achieve, when combined with all-trans retinoic acid and chemotherapy, a 5-year overall survival of 90% in patients with acute promyelocytic leukemia driven by the t(15;17) translocation-generated promyelocytic leukemia-retinoic acid receptor α (PML-RARα) fusion. Molecularly, arsenic binds thiol residues and induces the formation of reactive oxygen species, thus affecting numerous signaling pathways. Interestingly, arsenic directly binds the C3HC4 zinc finger motif in the RBCC domain of PML and PML-RARα, induces their homodimerization and multimerization, and enhances their interaction with the SUMO E2 conjugase Ubc9, facilitating subsequent sumoylation/ubiquitination and proteasomal degradation. Arsenic-caused intermolecular disulfide formation in PML also contributes to PML-multimerization. All-trans retinoic acid, which targets PML-RARα for degradation through its RARα moiety, synergizes with arsenic in eliminating leukemia-initiating cells. Arsenic perturbs a number of proteins involved in other hematologic malignancies, including chronic myeloid leukemia and adult T-cell leukemia/lymphoma, whereby it may bring new therapeutic benefits. The successful revival of arsenic in acute promyelocytic leukemia, together with modern mechanistic studies, has thus allowed a new paradigm to emerge in translational medicine.
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Affiliation(s)
- Sai-Juan Chen
- Shanghai Institute of Hematology and State Key Laboratory for Medical Genomics, Rui Jin Hospital/Shanghai Jiao Tong University School of Medicine, 197 Rui Jin Road II, Shanghai, China
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Yang T, Chen ML, Hu XW, Wang ZW, Wang JH, Dasgupta PK. Thiolated eggshell membranes sorb and speciate inorganic selenium. Analyst 2011; 136:83-9. [DOI: 10.1039/c0an00480d] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Müller K, Ciminelli VST, Dantas MSS, Willscher S. A comparative study of As(III) and As(V) in aqueous solutions and adsorbed on iron oxy-hydroxides by Raman spectroscopy. WATER RESEARCH 2010; 44:5660-5672. [PMID: 20599245 DOI: 10.1016/j.watres.2010.05.053] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2010] [Accepted: 05/31/2010] [Indexed: 05/29/2023]
Abstract
The sorption of the arsenite (AsO(3)(3-)) and the arsenate (AsO(4)(3-)) ions and their conjugate acids onto iron oxides is one of main processes controlling the distribution of arsenic in the environment. The present work intends to provide a large vibrational spectroscopic database for comparison of As(III) and As(V) speciation in aqueous solutions and at the iron oxide - solution interface. With this purpose, ferrihydrite, feroxyhyte, goethite and hematite were firstly synthesized, characterized in detail and used for adsorption experiments. Raman spectra were recorded from As(III) and As(V) aqueous solutions at various pH conditions selected in order to highlight arsenic speciation. Raman Scattering and Diffuse Reflectance Infrared Fourier Transform (DRIFT) studies were carried out to examine the respective As-bonding mechanisms. The collected data were curve-fitted and discussed according to molecular symmetry concepts. X-ray Absorption Near Edge Spectroscopy (XANES) was applied to confirm the oxidation state of the sorbed species. The comprehensive spectroscopic investigation contributes to a better understanding of arsenic complexation by iron oxides.
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Affiliation(s)
- Katharina Müller
- Institute of Waste Management and Contaminated Site Treatment, Faculty of Forestry, Geosciences and Hydrology, Dresden University of Technology, Germany
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Nurchi VM, Crisponi G, Villaescusa I. Chemical equilibria in wastewaters during toxic metal ion removal by agricultural biomass. Coord Chem Rev 2010. [DOI: 10.1016/j.ccr.2010.05.022] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Investigation of the interaction between arsenic species and thiols via electrospray ionization tandem mass spectrometry. Microchem J 2010. [DOI: 10.1016/j.microc.2009.10.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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