A Novel Molecularly Imprinted Polymer for the Selective Removal of Chlorophyll from Heavily Pigmented Green Plant Extracts prior to Instrumental Analysis
Batlokwa, Bareki Shima ; Mokgadi, Janes ; Majors, Ronald ; Turner, Charlotta LU
and Torto, Nelson
(2013)
In Journal of Chemistry
- Abstract
- A novel molecularly imprinted polymer (MIP) powder designed for the selective removal of interfering chlorophyll pigment from heavily pigmented green plant extracts during pesticide residue analysis or analysis for bioactives in natural product research is reported. The polymer powder imprinted with chlorophyll.. was synthesized by copolymerizing the functional and cross-linking monomers, methacrylic acid (MAA) and ethylene glycol dimethacrylate (EGDMA), respectively. During batch rebinding experiments, the MIP effectively removed chlorophyll from neat chlorophyll standards, green medicinal plants, and spinach extracts with determined absorbance as high as 2.501 absorbance units (Au) to as low as 0.084 Au after the optimum quantity of the... (More)
- A novel molecularly imprinted polymer (MIP) powder designed for the selective removal of interfering chlorophyll pigment from heavily pigmented green plant extracts during pesticide residue analysis or analysis for bioactives in natural product research is reported. The polymer powder imprinted with chlorophyll.. was synthesized by copolymerizing the functional and cross-linking monomers, methacrylic acid (MAA) and ethylene glycol dimethacrylate (EGDMA), respectively. During batch rebinding experiments, the MIP effectively removed chlorophyll from neat chlorophyll standards, green medicinal plants, and spinach extracts with determined absorbance as high as 2.501 absorbance units (Au) to as low as 0.084 Au after the optimum quantity of the MIP (170 mg mL(-1)) was added as the adsorbent prior to instrumental analysis. The determined 0.084 Au absorbance was far below the absorbance of 2% chlorophyll (0.401 Au) regarded as the cut-off point for interfering chlorophyll. Thus the newly developed polymer presents itself as a suitable adsorbent for the selective removal of chlorophyll from heavily pigmented, chlorophyll containing extracts. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/3930445
- author
- Batlokwa, Bareki Shima
; Mokgadi, Janes
; Majors, Ronald
; Turner, Charlotta
LU
and Torto, Nelson
- organization
- publishing date
- 2013
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Journal of Chemistry
- article number
- 540240
- publisher
- Hindawi Limited
- external identifiers
-
- wos:000319924000001
- scopus:84878729687
- ISSN
- 2090-9071
- DOI
- 10.1155/2013/540240
- language
- English
- LU publication?
- yes
- id
- b67f371b-12af-439e-8798-9c0b86676f1d (old id 3930445)
- date added to LUP
- 2016-04-01 10:27:09
- date last changed
- 2024-04-21 12:46:08
@article{b67f371b-12af-439e-8798-9c0b86676f1d,
abstract = {{A novel molecularly imprinted polymer (MIP) powder designed for the selective removal of interfering chlorophyll pigment from heavily pigmented green plant extracts during pesticide residue analysis or analysis for bioactives in natural product research is reported. The polymer powder imprinted with chlorophyll.. was synthesized by copolymerizing the functional and cross-linking monomers, methacrylic acid (MAA) and ethylene glycol dimethacrylate (EGDMA), respectively. During batch rebinding experiments, the MIP effectively removed chlorophyll from neat chlorophyll standards, green medicinal plants, and spinach extracts with determined absorbance as high as 2.501 absorbance units (Au) to as low as 0.084 Au after the optimum quantity of the MIP (170 mg mL(-1)) was added as the adsorbent prior to instrumental analysis. The determined 0.084 Au absorbance was far below the absorbance of 2% chlorophyll (0.401 Au) regarded as the cut-off point for interfering chlorophyll. Thus the newly developed polymer presents itself as a suitable adsorbent for the selective removal of chlorophyll from heavily pigmented, chlorophyll containing extracts.}},
author = {{Batlokwa, Bareki Shima and Mokgadi, Janes and Majors, Ronald and Turner, Charlotta and Torto, Nelson}},
issn = {{2090-9071}},
language = {{eng}},
publisher = {{Hindawi Limited}},
series = {{Journal of Chemistry}},
title = {{A Novel Molecularly Imprinted Polymer for the Selective Removal of Chlorophyll from Heavily Pigmented Green Plant Extracts prior to Instrumental Analysis}},
url = {{http://dx.doi.org/10.1155/2013/540240}},
doi = {{10.1155/2013/540240}},
year = {{2013}},
}