Novel molecularly imprinted polymers based on multiwalled carbon nanotubes with bifunctional monomers for solid‐phase extraction of rhein from the root of kiwi fruit

Chen, Xing; Zhang, Zhaohui; Yang, Xiao; Liu, Yunan; Li, Jiaxing; Peng, Mijun; Yao, Shouzhuo

doi:10.1002/jssc.201101000

Cited by 43 publications

(16 citation statements)

References 33 publications

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“…SPE is one of the most widely used sample preparation technique for the determination of pharmaceuticals in the environment. Published work involves the use of commercial SPE sorbents such as active carbon , cellulose , carbon nanotubes , egg shell membrane , modified mesoporous silica , and cuttlefish bone powder. The disadvantage of the mentioned SPE sorbents include poor selectivity and they can only be used once.…”

Section: Introductionmentioning

confidence: 99%

Clay‐Na as a sorbent for the extraction of anti‐inflammatory compounds in water samples

Khazri¹,

Ghorbel–Abid²,

Hassine

et al. 2019

J of Separation Science

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In this work, clay‐Na particles are used as the adsorbent for the solid‐phase extraction of acidic compounds. The novel sorbent under study is based on high‐specific surface area, cation‐exchange capacity designed specifically to offer ion‐exchange properties with the goal being to selectively extract a group of acidic compounds. The effects of the extraction parameters including extraction elution solvent, sample volume and pH. In optimum conditions, the repeatability for one fiber (n = 3), expressed as % relative standard deviation, was between 0.3 and 4.3% for the acid compounds. The detection limits for the studied acidic compounds were between 0.1–0.6 μg/L. The developed method offers the advantages of being simple to use and having a low cost of equipment.

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Section: Introductionmentioning

confidence: 99%

Clay‐Na as a sorbent for the extraction of anti‐inflammatory compounds in water samples

Khazri¹,

Ghorbel–Abid²,

Hassine

et al. 2019

J of Separation Science

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“…They have been used as supports for the preparation of MIPs (X. Chen et al 2012;Prasad et al 2011), and the obtained novel materials were applied as SPE sorbents for the isolation of ursolic acid (J. ) and triazine herbicides (See et al 2010).…”

Section: Introductionmentioning

confidence: 99%

Determination of Acephate in Vegetables by Magnetic Molecularly Imprinted Polymer Isolation Coupled with High-Performance Liquid Chromatography

2014

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Magnetic molecularly imprinted polymers based on carbon nanotubes were prepared and characterized by infrared spectrometry, transmission electron microscopy, and vibrating sample magnetometry and were employed for the isolation of acephate from cabbage, spinach, lettuce, leeks, and celery. Kinetic and recognition studies were carried out in order to investigate the adsorption properties of the polymers. During the application process, the acephate extracted from vegetables was purified with the magnetic molecularly imprinted polymers and determined by high performance liquid chromatography with an ultraviolet detector. The recoveries of acephate at three fortified concentrations (0.015, 0.15, and 1.5 mg kg À1 ) were between 89.2% and 93.4%. The limits of detection and quantification of acephate were 0.0025 and 0.0077 mg kg À1 , respectively. The linear dynamic range was from 0.01 to 5 mg kg À1 . The relative standard deviations of intra-and inter-day precision were 1.1% to 5.9% and 2.7% to 6.4%, respectively. The developed method was demonstrated to be rapid and selective for the extraction and determination of acephate in vegetables.

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“…Many sorbents, such as active carbon , cellulose , carbon nanotubes (CNTs) , egg shell membrane , and modified mesoporous silica have been used in SPE, among which CNTs attracted more attention due to their high surface‐to‐volume ratio, easy derivatization procedures, and unique thermal and mechanical stability .…”

Section: Introductionmentioning

confidence: 99%

Novel modified carbon nanotubes as a selective sorbent for preconcentration and determination of trace copper ions in fruit samples

Rezvani

Ebrahimzadeh

Aliakbari

et al. 2014

J of Separation Science

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In this work, multiwalled carbon nanotubes were reacted with N-[3-(triet-hoxysilyl)propyl]isonicotinamide to prepare pyridine-functionalized carbon nanotubes. This novel sorbent was characterized by infrared spectroscopy, thermal and elemental analysis, and scanning electron microscopy. Functionalized carbon nanotubes were applied for the preconcentration and determination of copper ions using flame atomic absorption spectrometry. Various parameters such as sample pH, flow rate, eluent type and concentration, and its volume were optimized. Under optimal experimental conditions, the limit of detection, the relative standard deviation, and the recovery of the method were 0.65 ng/mL, 3.2% and 99.4%, respectively. After validating the method using standard reference materials, the new sorbent was applied for the extraction and determination of trace copper(II) ions in fruit samples.

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Novel molecularly imprinted polymers based on multiwalled carbon nanotubes with bifunctional monomers for solid‐phase extraction of rhein from the root of kiwi fruit

Cited by 43 publications

References 33 publications

Clay‐Na as a sorbent for the extraction of anti‐inflammatory compounds in water samples

Clay‐Na as a sorbent for the extraction of anti‐inflammatory compounds in water samples

Determination of Acephate in Vegetables by Magnetic Molecularly Imprinted Polymer Isolation Coupled with High-Performance Liquid Chromatography

Novel modified carbon nanotubes as a selective sorbent for preconcentration and determination of trace copper ions in fruit samples

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