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Zhou W, Lu X, Qi C, Yang M. Utilisation of ultrasonic treatment to improve the soil amelioration property of coal fly ash. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 276:111311. [PMID: 32871465 DOI: 10.1016/j.jenvman.2020.111311] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 08/21/2020] [Accepted: 08/23/2020] [Indexed: 06/11/2023]
Abstract
Environment-friendly disposal of coal fly ash (CFA) is essential for sustainable development and cleaner production of electricity in thermal power plants. Although CFA has been employed for soil amelioration, direct application of CFA to soil may pose risks such as heavy metal contamination. This study investigated recycling of CFA through a novel method, which employs the ultrasonic treatment of CFA before its application. Physico-chemical properties of refuse dump soil and CFA were analysed. Subsequently, the effect of ultrasonic treatment on the physico-chemical properties of CFA was investigated. Different ultrasonic parameters (ultrasonic frequency, time interval, and temperature) were studied using response surface methodology. Finally, plant growth experiments were conducted to verify the feasibility of using ultrasonically treated CFA (UTCFA) for soil amelioration. The results show that untreated CFA cannot be used for soil amelioration due to its unsuitable high pH (10.20) and threatening concentrations of trace elements (6.80 mg/kg for Cadmium and 109.75 mg/kg for Arsenic). Ultrasonic treatment increases the soil amelioration properties of CFA by decreasing pH (to 8.50-9.20), decreasing concentrations of Cadmium and Arsenic (satisfying GB 15618-2018), and improving the water-holding capacity of CFA (reducing water loss). Plant indicators confirm the feasibility of using UTCFA for soil amelioration and suggest that the optimum UTCFA proportion is 20%. This study is a benchmark for the utilisation of ultrasonic treatment to improve the soil amelioration properties of CFA.
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Affiliation(s)
- Wei Zhou
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou, 221116, China; School of Mines, China University of Mining and Technology, Xuzhou, 221116, China
| | - Xiang Lu
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou, 221116, China; School of Mines, China University of Mining and Technology, Xuzhou, 221116, China
| | - Chongchong Qi
- School of Resources and Safety Engineering, Central South University, Changsha, 410083, China; School of Civil, Environmental and Mining Engineering, University of Western Australia, Perth, 6009, Australia.
| | - Meng Yang
- State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou, 221116, China; School of Mines, China University of Mining and Technology, Xuzhou, 221116, China
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2
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Rodriguez LEG, Bail A, Castillo RO, Arízaga GGC. Removal and Extraction of Carboxylic Acids and Non-ionic Compounds with Simple Hydroxides and Layered Double Hydroxides. Curr Pharm Des 2020; 26:650-663. [PMID: 31878850 DOI: 10.2174/1381612826666191226103623] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 12/18/2019] [Indexed: 01/30/2023]
Abstract
Carboxylic acids are an important natural component as a final product or intermediates for syntheses. They are produced in plants, animals and also as products from biotechnological processes. This review presents the use of single hydroxide particles and layered double hydroxides as alternative adsorbents to remove carboxylic acids from liquid media. The proposal to use hydroxide particles is based on its affinity to adsorb or intercalate carboxylic acids. Besides, the change in properties of the adsorbate-sorbate product evinces that this intermediate can be used as a vehicle to transport and release carboxylic acids. Additional examples will also be presented to prove that layered hydroxides are capable of removing non-ionic compounds from wine, milk and tomato. The use of layered compounds to remove active ingredients could reduce the number of separations steps, costs and reduce or eliminate solvents, thus encouraging the design of industrial processes of separation using hydroxides particles.
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Affiliation(s)
- Luis E G Rodriguez
- Facultad de Ciencias Aplicadas a la Industria. Universidad de Camaguey "Ignacio Agramonte Loynaz". Circunvalacion Norte, km 5.5. C.P. 74650. Camaguey, Cuba
| | - Alesandro Bail
- Nucleo de Inovacao Industrial (NI2), Universidade Tecnologica Federal do Parana (UTFPR), CEP: 86812-460, Apucarana, Parana, Brazil
| | - Rodolfo O Castillo
- Departamento de Ingenieria Quimica, Universidad de Guadalajara, Marcelino Garcia Barragan 1421, C.P. 44430, Guadalajara, Jalisco, Mexico
| | - Gregorio G C Arízaga
- Departamento de Quimica, Universidad de Guadalajara, Marcelino Garcia Barragan 1421, C.P. 44430, Guadalajara, Jalisco, Mexico
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3
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Ghorbani M, Aghamohammadhassan M, Ghorbani H, Zabihi A. Trends in sorbent development for dispersive micro-solid phase extraction. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105250] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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4
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Magnesium/aluminum-layered double hydroxide modified with hydrogen peroxide as a novel fiber coating for solid-phase microextraction of phthalate esters in aqueous samples. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104510] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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5
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Humia BV, Santos KS, Schneider JK, Leal IL, de Abreu Barreto G, Batista T, Machado BAS, Druzian JI, Krause LC, da Costa Mendonça M, Padilha FF. Physicochemical and sensory profile of Beauregard sweet potato beer. Food Chem 2019; 312:126087. [PMID: 31911355 DOI: 10.1016/j.foodchem.2019.126087] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 11/30/2019] [Accepted: 12/18/2019] [Indexed: 01/22/2023]
Abstract
Beer has been one of the most consumed alcoholic beverages worldwide. However, the incorporation of adjuncts in the beer can add new organoleptic and functional characteristics to the beverage. For this, Beauregard sweet potato shows high potential due to being a rich source of starch and many bioactive compounds. The aim of this study was to develop the best process condition to produce a Sweet potato beer with enhanced nutritional and antioxidant properties and good sensory characteristics. Beer samples showed increased antioxidant activity especially due to β-carotene and their total phenolic content. The phytochemical profile of sweet potato biocompounds demonstrated a direct effect of this adjunct on sensory and functional characteristics of the finished beer. In conclusion, it was found that Beauregard sweet potato is a promising adjunct for beer brewing with nutraceutical properties due to its rich composition of bioactive compounds.
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Affiliation(s)
- Bruno Vieira Humia
- Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil; Tiradentes University (UNIT), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil.
| | - Klebson Silva Santos
- Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil.
| | - Jaderson Kleveston Schneider
- Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil; Tiradentes University (UNIT), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil
| | - Ingrid Lessa Leal
- Laboratory of Applied Research in Food and Biotechnology, SENAI/CIMATEC University Center - Integrated Campus of Manufacture and Technology (SENAI/CIMATEC), Av. Orlando Gomes, 1845, Salvador, Bahia CEP 41650-010, Brazil
| | - Gabriele de Abreu Barreto
- Laboratory of Applied Research in Food and Biotechnology, SENAI/CIMATEC University Center - Integrated Campus of Manufacture and Technology (SENAI/CIMATEC), Av. Orlando Gomes, 1845, Salvador, Bahia CEP 41650-010, Brazil
| | - Thâmilla Batista
- Laboratory of Fish and Applied Chromatography (LAPESCA) - Federal University of Bahia, Av. Adhemar de Barros, s/n - Pharmacyfaculty, Salvador, Bahia CEP 40170-115, Brazil
| | - Bruna Aparecida Souza Machado
- Laboratory of Applied Research in Food and Biotechnology, SENAI/CIMATEC University Center - Integrated Campus of Manufacture and Technology (SENAI/CIMATEC), Av. Orlando Gomes, 1845, Salvador, Bahia CEP 41650-010, Brazil
| | - Janice Izabel Druzian
- Laboratory of Fish and Applied Chromatography (LAPESCA) - Federal University of Bahia, Av. Adhemar de Barros, s/n - Pharmacyfaculty, Salvador, Bahia CEP 40170-115, Brazil
| | - Laiza Canielas Krause
- Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil; Tiradentes University (UNIT), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil
| | - Marcelo da Costa Mendonça
- Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil; Tiradentes University (UNIT), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil
| | - Francine Ferreira Padilha
- Institute of Technology and Research (ITP), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil; Tiradentes University (UNIT), Av. Murilo Dantas, 300, Aracaju, Sergipe CEP 49032-490, Brazil
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6
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7
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Peng Y, Huang M, Hu Y, Li G, Xia L. Microwave-assisted synthesis of porphyrin conjugated microporous polymers for microextraction of volatile organic acids in tobaccos. J Chromatogr A 2019; 1594:45-53. [PMID: 30799063 DOI: 10.1016/j.chroma.2019.02.038] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 02/10/2019] [Accepted: 02/16/2019] [Indexed: 02/08/2023]
Abstract
Conjugated microporous polymers (CMPs) with permanent microporosity and extended p-conjugated skeletons have recently shown the fascinating application in separation and enrichment. In this report, porphyrin CMP that possessed microporous structure and nitrogen-rich pyrrole building blocks was successfully synthesized by microwave-assisted method. Then, a novel coating based on porphyrin CMP was fabricated on silica fiber for efficient enrichment volatile organic acids (VOAs). The simulation showed the coating exhibited strong interaction with volatile organic acids based on charge transfer interaction, hydrogen bond and size effect. Hence, we proposed a method for determination of volatile organic acids in tobaccos by headspace solid-phase microextraction (HS-SPME) with porphyrin CMP coating by gas chromatography-mass spectrometry. The results showed that the coating provided high enrichment factors for VOAs ranging from 66,657 to 133,970 and low limits of detection from 4.6 to 22 ng/L. A good linearity was observed for propionic acid and crotonic acid ranging from 0.050 to 8.0 μg/L, 2-methylheptanoic acid ranging from 0.063 to 1.5 μg/L, others ranging from 0.025 to 3.0 μg/L with the determination coefficient (R2) between 0.9900 and 0.9980. The strategy for determination of volatile compounds in complex solid samples was successfully applied to the analysis of volatile organic acids in tobacco leaves. The results showed that the method was accurate and reliable.
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Affiliation(s)
- Yi Peng
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
| | - Manyan Huang
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
| | - Yuling Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China.
| | - Ling Xia
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
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8
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Recent Advances and Trends in Applications of Solid-Phase Extraction Techniques in Food and Environmental Analysis. Chromatographia 2019. [DOI: 10.1007/s10337-019-03726-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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9
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Parvinizadeh F, Daneshfar A. Fabrication of a magnetic metal–organic framework molecularly imprinted polymer for extraction of anti-malaria agent hydroxychloroquine. NEW J CHEM 2019. [DOI: 10.1039/c9nj01385g] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A new magnetic metal–organic framework molecularly imprinted polymer was synthesized by the sol–gel method for the determination of hydroxychloroquine sulfate.
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Affiliation(s)
| | - Ali Daneshfar
- Department of Chemistry
- Faculty of Science
- Ilam University
- Ilam
- Iran
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10
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Sanati S, Rezvani Z. Ultrasound-assisted synthesis of NiFe- layered double hydroxides as efficient electrode materials in supercapacitors. ULTRASONICS SONOCHEMISTRY 2018; 48:199-206. [PMID: 30080543 DOI: 10.1016/j.ultsonch.2018.05.035] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 05/28/2018] [Accepted: 05/29/2018] [Indexed: 06/08/2023]
Abstract
Under ultrasound irradiation, NiFe-layered double hydroxide (NiFe-LDH) nanostructures with three molar ratios and three dissimilar reaction times were prepared. The powder X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and Fourier transform infrared spectroscopy (FT-IR) were employed to characterize the synthesized nanomaterials. Using a sonochemichal route, various morphologies of the NiFe-LDH nanostructures without any impurity and variations in the structure were produced. During the optimization process, it was found that sonication time and reagent concentration in a fixed irradiation frequency can affect the size and the morphology of the produced nanostructures. Under ultrasound irradiation, non-aggregated particles with uniform, spherical morphology were obtained with molar ratios of 4:1 (Ni:Fe) with 45 W at 180 min. The NiFe-LDH samples were observed to be supercapacitor under a 6 M KOH solution. When morphologically-controlled NiFe-LDH samples were used, the pseudo-capacitive behavior of the nanostructures was tuned. After 3 h of ultrasonic irradiation, the optimized sample (NiFe-LDH spherical nanostructures with 4:1 M ratio) had a high value of specific capacitance (168F g-1).
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Affiliation(s)
- Soheila Sanati
- Inorganic Chemistry Laboratory, Department of Chemistry, Faculty of Sciences, Azarbaijan Shahid Madani University, Tabriz 53714-161, Iran
| | - Zolfaghar Rezvani
- Inorganic Chemistry Laboratory, Department of Chemistry, Faculty of Sciences, Azarbaijan Shahid Madani University, Tabriz 53714-161, Iran.
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11
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Ostovan A, Asadollahzadeh H, Ghaedi M. Ultrasonically synthesis of Mn- and Cu- @ ZnS-NPs-AC based ultrasound assisted extraction procedure and validation of a spectrophotometric method for a rapid preconcentration of Allura Red AC (E129) in food and water samples. ULTRASONICS SONOCHEMISTRY 2018; 43:52-60. [PMID: 29555288 DOI: 10.1016/j.ultsonch.2018.01.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2017] [Revised: 12/31/2017] [Accepted: 01/01/2018] [Indexed: 06/08/2023]
Abstract
This study is devoted on Allura Red as food colorant preconcentration and determination in beverage, fruit juice and drink water samples is based on usage of Mn- and Cu- @ ZnS-NPs-AC as new sorbent for ultrasound-assisted-dispersive solid-phase microextraction (UA-DSPME) combined with ultraviolet-visible spectrophotometric based method (UV-Vis). Contribution of volume of eluent, pH, sorbent mass and sonication time on response following conduction of 28 experiments were optimized and investigated while their significantly justified according to p-value. Values of "Prob > F" less than 0.0500 is proportional with their significant influence on recovery of analyte. Under the optimum conditions 0.14 mL of THF; pH of 2.5; 8 mg of sorbent and 3 min sonication time guide and help achievement of limit of quantification (LOQ) and limit of detection (LOD) of 6.08 and 20.26 ng mL-1, respectively. The accuracy of method was validated according to calculation of recovery following spiking 400 and 600 ng mL-1 to blank solution and recovery as more reliable indication of accuracy 93.41 and 102.17% recoveries with RSD < 3.5%, which demonstrate the successful applicability of present method for real sample analysis. The maximum sorbent capacity was 50.0 mg g-1 based on Langmuir isotherm as best model with high correlation coefficient. Combination of UA-DSPME and UV-Vis lead to higher sensitivity and lower cost for accurate and repeatable monitoring of Allura Red level in beverage, fruit juice and drink water samples with acceptable recovery and reasonable RSD%.
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Affiliation(s)
- Abbas Ostovan
- Department of Chemistry, Kerman Branch, Islamic Azad University, Kerman, Iran
| | | | - Mehrorang Ghaedi
- Chemistry Department, Yasouj University, Yasouj 75918-74831, Iran.
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12
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Abidi H, Ghaedi M, Rafiei A, Jelowdar A, Arabi M, Ostovan A, Asfaram A. A molecularly imprinted polymer coupled with high-performance liquid chromatography-UV for the determination of albendazole in plasma and urine samples: CCD-RSM design. NEW J CHEM 2018. [DOI: 10.1039/c8nj02893a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present study attempted to develop a fast and sensitive ultrasound-assisted-dispersive-micro-solid phase extraction method for the separation and preconcentration of albendazole from plasma and urine samples.
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Affiliation(s)
- Hassan Abidi
- Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences
- Ahvaz
- Iran
- Department of Parasitology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences
- Ahvaz
| | | | - Abdollah Rafiei
- Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences
- Ahvaz
- Iran
- Department of Parasitology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences
- Ahvaz
| | - Ali Jelowdar
- Department of Parasitology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences
- Ahvaz
- Iran
| | - Maryam Arabi
- Chemistry Department, Yasouj University
- Yasouj
- Iran
| | | | - Arash Asfaram
- Medicinal Plants Research Center, Yasuj University of Medical Sciences
- Yasuj
- Iran
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13
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Asfaram A, Arabi M, Ostovan A, Sadeghi H, Ghaedi M. Simple and selective detection of quercetin in extracts of plants and food samples by dispersive-micro-solid phase extraction based on core–shell magnetic molecularly imprinted polymers. NEW J CHEM 2018. [DOI: 10.1039/c8nj03349h] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In the present study, a D-μ-SPE clean-up method was established for the analysis of quercetin in extracts of plants and food samples using a magnetic molecularly imprinted polymer as the sorbent by HPLC-UV detection.
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Affiliation(s)
- Arash Asfaram
- Medicinal Plants Research Center
- Yasuj University of Medical Sciences
- Yasuj
- Iran
| | - Maryam Arabi
- Chemistry Department
- Yasouj University
- Yasouj 75914-35
- Iran
| | - Abbas Ostovan
- Chemistry Department
- Yasouj University
- Yasouj 75914-35
- Iran
| | - Hossein Sadeghi
- Medicinal Plants Research Center
- Yasuj University of Medical Sciences
- Yasuj
- Iran
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Asiabi H, Yamini Y, Shamsayei M. Using cobalt/chromium layered double hydroxide nano-sheets as a novel packed in-tube solid phase microextraction sorbent for facile extraction of acidic pesticides from water samples. NEW J CHEM 2018. [DOI: 10.1039/c8nj00372f] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cobalt/chromium-layered double hydroxide (Co/Cr (NO3−)-LDH) nano-sheets were employed as a packed in-tube solid phase microextraction sorbent for efficient extraction of acidic pesticides from water samples.
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Affiliation(s)
- Hamid Asiabi
- Department of Chemistry
- Tarbiat Modares University
- Tehran
- Iran
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15
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Maya F, Palomino Cabello C, Ghani M, Turnes Palomino G, Cerdà V. Emerging materials for sample preparation. J Sep Sci 2017; 41:262-287. [DOI: 10.1002/jssc.201700836] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 09/18/2017] [Accepted: 09/18/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Fernando Maya
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
| | | | - Milad Ghani
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
- Department of Chemistry; Isfahan University of Technology; Isfahan Iran
| | - Gemma Turnes Palomino
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
| | - Víctor Cerdà
- Department of Chemistry; University of the Balearic Islands; Palma de Mallorca Spain
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16
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A nanomagnetic and 3-mercaptopropyl-functionalized silica powder for dispersive solid phase extraction of Hg(II) prior to its determination by continuous-flow cold vapor AAS. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2224-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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17
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Khezeli T, Daneshfar A. Development of dispersive micro-solid phase extraction based on micro and nano sorbents. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.01.004] [Citation(s) in RCA: 194] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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18
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Sajid M, Basheer C, Daud M, Alsharaa A. Evaluation of layered double hydroxide/graphene hybrid as a sorbent in membrane-protected stir-bar supported micro-solid-phase extraction for determination of organochlorine pesticides in urine samples. J Chromatogr A 2017; 1489:1-8. [DOI: 10.1016/j.chroma.2017.01.089] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 01/29/2017] [Accepted: 01/31/2017] [Indexed: 11/30/2022]
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