magnetic solid phase extraction using gold immobilized

magnetic solid phase extraction using gold immobilized

Magnetic solid phase extraction using gold immobilized ...

Oct 17, 2014 · Magnetic solid phase extraction using gold immobilized magnetic mesoporous silica nanoparticles coupled with dispersive liquid–liquid microextraction for determination of polycyclic aromatic hydrocarbons. ... The π-system of PAH compounds and immobilized Au atoms on the surface of the sorbent can cause the electron donor–acceptor ...

Magnetic solid phase extraction using gold immobilized ...

Magnetic solid phase extraction using gold immobilized magnetic mesoporous silica nanoparticles coupled with dispersive liquid-liquid microextraction for determination of polycyclic aromatic ...

Zincon-immobilized silica-coated magnetic Fe3O4 ...

May 30, 2012 · A new protocol using zincon-immobilized silica-coated magnetic Fe(3)O(4) nanoparticles (Zincon-Si-MNPs) as solid-phase extraction (SPE) medium has been developed for the separation and preconcentration of trace lead in water. Various parameters such as pH, extraction time, concentration and volume of eluent, sample volume, and influence of co ...

Packed hybrids of gold nanoparticles and halloysite ...

Jul 02, 2019 · 高达10%返现 · Mehdinia A, Khojasteh E, Kayyal TB, Jabbari A (2014) Magnetic solid phase extraction using gold immobilized magnetic mesoporous silica nanoparticles coupled with dispersive liquid-liquid microextraction for determination of polycyclic aromatic hydrocarbons. J Chromatogr A 1364:20–27. CAS Article Google Scholar 31.

Magnetic solid-phase extraction - ScienceDirect

Apr 01, 1999 · Magnetic solid-phase extraction is a new procedure for the preconcentration of target analytes from large volumes based on the use of magnetic or magnetizable adsorbents. In the experiments reactive copper phthalocyanine dye attached to silanized magnetite, and magnetic charcoal were used as adsorbents and selected organic dyes were used as ...

Magnetic solid-phase extraction - ScienceDirect

Abstract. Magnetic solid-phase extraction is a new procedure for the preconcentration of target analytes from large volumes based on the use of magnetic or magnetizable adsorbents. In the experiments reactive copper phthalocyanine dye attached to silanized magnetite, and magnetic charcoal were used as adsorbents and selected organic dyes were ...

Simultaneous Stabilization and Functionalization of Gold ...

Different nanomaterials have been utilized as the sorbent in extraction techniques such as solid phase extraction, dispersive solid phase extraction, magnetic solid phase extraction ...

Magnetic Solid Phase Extraction Based on Modified ...

Sep 24, 2018 · Mehdinia A, Khojasteh E, Baradaran T, Jabbari KA (2014) Magnetic solid phase extraction using gold immobilized magnetic mesoporous silica nanoparticles coupled with dispersive liquid–liquid microextraction for determination of polycyclic aromatic hydrocarbons. J Chromatogr A 1364:20–27. CAS Article Google Scholar 31.

Solid-phase extraction of Cr(VI) with magnetic melamine ...

May 01, 2021 · A new method for magnetic solid-phase separation of trace-levels of Cr(VI) by using magnetic nanoparticles modified melamine–formaldehyde resin (Fe 3 O 4 @MFR) was described. Also, the selective and sensitive chemical optical probe was developed based on citrate-polyvinyl alcohol capped gold nanoparticle and modified with the reagent p-amino hippuric acid (PAH).

Zincon-immobilized silica-coated magnetic Fe3O4 ...

A new protocol using zincon-immobilized silica-coated magnetic Fe(3)O(4) nanoparticles (Zincon-Si-MNPs) as solid-phase extraction (SPE) medium has been developed for the separation and preconcentration of trace lead in water. Various parameters such as pH, extraction

Zincon-immobilized silica-coated magnetic Fe3O4 ...

May 30, 2012 · A new protocol using zincon-immobilized silica-coated magnetic Fe(3)O(4) nanoparticles (Zincon-Si-MNPs) as solid-phase extraction (SPE) medium has been developed for the separation and preconcentration of trace lead in water. Various parameters such as pH, extraction time, concentration and volume of eluent, sample volume, and influence of co ...

Magnetic solid-phase extraction of protein with deep ...

Feb 01, 2016 · A strategy for the solid-phase extraction of protein based on deep eutectic solvent (DES-SPE). • Choline chloride-glycerin DES immobilized magnetic graphene oxide nanoparticles(Fe 3 O 4 –NH 2 @GO) was selected as the extractant.. Ovalbumin, bovine serum albumin, bovine hemoglobin and lysozyme were used as the analyst.

Magnetic solid-phase extraction using poly(para ...

Oct 09, 2015 · 2.5. Magnetic SPE procedure. For the extraction, 20 mL sample solution (water and urine samples) was mixed with 20 mg of PpPD/Fe 3 O 4 nanoparticles in a 25 mL sample vial. Subsequently, the mixture was homogenized and the extraction was performed under ultrasonic action for 2 min.Then, the magnetic adsorbent was collected using an external magnet and supernatant

Magnetic solid phase extraction of glyphosate and ...

May 29, 2015 · Magnetic solid phase extraction of glyphosate and aminomethylphosphonic acid in river water using Ti 4+-immobilized Fe 3 O 4 nanoparticles by capillary electrophoresis Y. Dong, D. Guo, H. Cui, X. Li and Y. He, Anal. Methods, 2015, 7, 5862 DOI: 10.1039/C5AY00109A

Magnetic dispersive solid-phase extraction using a zeolite ...

Magnetic dispersive solid-phase extraction (MDSPE) is combined with electrochemical detection by using a screen-printed carbon electrode modified with gold nanoparticles to determine lead(II). A zeolite-based magnetic composite was used as sorbent during sample preparation, thus combining the unique

Selective enrichment and determination of monoamine ...

Jan 15, 2016 · In this paper, iminodiacetic acid-Cu(II) functionalized Fe 3 O 4 @SiO 2 magnetic nanoparticles were prepared and used as new adsorbents for magnetic solid phase extraction (MSPE) of six monoamine neurotransmitters (MNTs) from rabbit plasma. The selective enrichment of MNTs at pH 5.0 was motivated by the specific coordination interaction between amino groups of MNTs and the immobilized

Phosphopeptide enrichment: Development of magnetic solid ...

In this regard, new magnetic stationary phases based on polydopamine coating and Ti(4+) immobilization exploit the potential of IMAC enrichment and couple it with the versatility of magnetic solid phase extraction. In this work the use of such stationary phase was extended from the MALDI proof of concept stage with the development of an ...

Magnetic solid-phase extraction combined with graphite ...

A new approach of magnetic solid phase extraction (MSPE) coupled with graphite furnace atomic absorption spectrometry (GFAAS) has been developed for the speciation of Cr(III) and Cr(VI) using zincon-immobilized silica-coated magnetic Fe3O4 nanoparticles (Zincon-Si-MNPs) as the MSPE absorbent. Cr(III

‪Ali Mehdinia‬ - ‪Google Scholar‬

Magnetic solid phase extraction using gold immobilized magnetic mesoporous silica nanoparticles coupled with dispersive liquid–liquid microextraction for determination of A Mehdinia, E Khojasteh, TB Kayyal, A Jabbari

Magnetic Solid Phase Extraction as a Promising Technique ...

Sep 11, 2020 · The aim of this article is to bring a review of recent works where magnetic solid-phase extraction (MSPE) procedures in connection with spectrometric methods were used for separation/preconcentration and quantification of (1) silver and gold ions in various environmental samples, (2) AgNPs and AuNPs in real water samples in the presence of ...

Magnetic Solid Phase Extraction Based on Modified ...

Sep 24, 2018 · Mehdinia A, Khojasteh E, Baradaran T, Jabbari KA (2014) Magnetic solid phase extraction using gold immobilized magnetic mesoporous silica nanoparticles coupled with dispersive liquid–liquid microextraction for determination of polycyclic aromatic hydrocarbons. J Chromatogr A 1364:20–27. CAS Article Google Scholar 31.

Simultaneous Stabilization and Functionalization of Gold ...

Different nanomaterials have been utilized as the sorbent in extraction techniques such as solid phase extraction, dispersive solid phase extraction, magnetic solid phase extraction ...

Magnetic Solid Phase Extraction as a Promising Technique ...

Sep 11, 2020 · The aim of this article is to bring a review of recent works where magnetic solid-phase extraction (MSPE) procedures in connection with spectrometric methods were used for separation/preconcentration and quantification of (1) silver and gold ions in various environmental samples, (2) AgNPs and AuNPs in real water samples in the presence of ...

(PDF) Magnetic Solid Phase Extraction as a Promising ...

Sep 11, 2020 · magnetic solid phase extraction for fast speciation of silver nanoparticles and silver ions in environmental water,” T alanta , vol. 183, pp. 268–275, 2018.

A novel strategy for sequential analysis of gold ...

In this work, Al 3+ immobilized Fe 3 O 4 @SiO 2 @iminodiacetic acid (IDA) was prepared and its extraction performance for gold nanoparticles (AuNPs) and gold ions (Au ions) was investigated. It was found that AuNPs and Au ions could be simultaneously retained on this adsorbent and their separation was achieved by sequential elution of Au ions and AuNPs with Na 2 S 2 O 3 and NH 3 ·H 2 O ...

Immobilized Cyanobacteria for Online Trace Metal ...

Nov 01, 1994 · Speciation of inorganic arsenic in environmental waters using magnetic solid phase extraction and preconcentration followed by ICP-MS. Microchimica Acta 2011, 173 (1-2) , 165-172. DOI: 10.1007/s00604-010-0532-9.

Recent Applications of Magnetic Solid-phase Extraction for ...

Apr 24, 2019 · Magnetic Solid-phase Extraction of Peptides, Proteins and Other Biologic Macromolecules. The use of magnetic materials for sample preparation in biologic matrices has been reviewed [ 61] with several applications, also for the isolation and enrichment of peptide and protein biomarkers [ 62 ].

Magnetic solid-phase extraction of pyrethroid insecticides ...

Magnetic solid-phase extraction of pyrethroid insecticides from tea infusions using ionic liquid-modified magnetic zeolitic imidazolate framework-8 as an adsorbent Xiaodong Huang,a Yanan Liu,a Huifang Liu,ac Guangyang Liu,a Xiaomin Xu,a Lingyun Li,a Jun Lv,a Haixiang Gao b and Donghui Xu *a

Magnetic solid-phase extraction of protein with deep ...

As a new type of green solvent, four kinds of choline chloride (ChCl)-based deep eutectic solvents (DESs) have been synthesized, and then a core-shell structure magnetic graphene oxide ([email protected]) nanoparticles have been prepared and coated with the ChCl-based DESs. Magnetic solid-phase extraction based [email protected]@DES was studied for the first time for the extraction of

Surfactant‐enhanced spectrofluorimetric detection after ...

Nov 01, 2018 · A sensitive and fast micro-solid-phase extraction (μ-SPE) coupled with dispersive liquid–liquid micro-extraction (DLLME) was reported before micelle enhanced spectrofluorimetric detection for determination of ciprofloxacin antibiotic in human plasma samples. The DLLME was performed using methanol as disperser and 1-octanol as extracting solvent.

Solid-Phase Extraction of Catechins from Green Tea with ...

Jan 09, 2020 · Solid-Phase Extraction of Catechins from Green Tea with Deep Eutectic Solvent Immobilized Magnetic Molybdenum Disulfide Molecularly Imprinted Polymer Wanwan Ma and Kyung Ho Row * Department of Chemistry and Chemical Engineering, Inha University, Incheon 402-701, Korea; [email protected] * Correspondence: [email protected]; Tel.: +82-32-860-7470

Magnetic Solid Phase Extraction Applied to Food Analysis

Magnetic solid phase extraction has been used as pretreatment technique for the analysis of several compounds because of its advantages when it is compared with classic methods. This methodology is based on the use of magnetic solids as adsorbents for preconcentration of different analytes from complex matrices. Magnetic solid phase extraction minimizes the use of additional steps such as ...

Separation/Analysis of Congo Red by Using Poly (Ionic ...

Jan 02, 2018 · Magnetic solid phase extraction (MSPE) accompanied with fluorescence spectrophotometry using Poly (ionic liquid) immobilized magnetic nanoparticles (PIL-MNPs) as sorbent was introduced for Congo red analysis in food. Poly (1-vinyl-3-butylimidazolium) bromide immobilized (MNPs) were prepared through co-polymerization of 1-vinyl-3-hexylimidazolium-based ionic liquid and vinyl-modified magnetic ...

Magnetic solid-phase extraction using poly(para ...

Aug 28, 2015 · Biosorption-based dispersive liquid-liquid microextraction combined with polypyrrole-coated magnetic nanoparticles as an effective sorbent for the extraction of ibuprofen from water samples using magnetic solid-phase extraction. Haeri SA, Abbasi S, Sajjadifar S. Electrophoresis, 38(21):2765-2770, 21 Aug 2017