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Investigators at Central China Normal University Have Reported New Data on Chromatography

May 30, 2014

By a News Reporter-Staff News Editor at Science Letter -- Data detailed on Science have been presented. According to news originating from Wuhan, People's Republic of China, by NewsRx correspondents, research stated, "A pipette tip-based molecularly imprinted polymer monolith microextraction (PT-MIPMME) method was developed for the selective extraction of difenoconazole in tap water and grape juice. In this method, molecularly imprinted polymer (MIP) monolith used as the sorbent was synthesized at the tip of a micropipette."

Our news journalists obtained a quote from the research from Central China Normal University, "This in situ polymerization reaction used difenoconazole as the template and methacrylic acid (MAA) as the functional monomer, ethylene glycol dimethacrylate (EGDMA) as the cross-linker and the mixture of toluene-dodecanol as the porogenic solvent. The pipette tip containing MIP monolith was matched to a syringe for performing the polymer monolith microextraction (PMME). Several parameters affecting the proposed PT-MIPMME method were investigated, including the flow rate, sample volume, pH and salt concentration of sample, the type and volume of eluent. Under the optimal conditions, the PT-MIPMME method showed a low limit of detection of 0.5?gL(-1). The recoveries were in the range of 87.6-95.4% with relative standard deviations less than 4.9%."

According to the news editors, the research concluded: "The results showed that difenoconazole was selectively enriched from tap water and grape juice samples."

For more information on this research see: An in situ immobilized pipette tip solid phase microextraction method based on molecularly imprinted polymer monolith for the selective determination of difenoconazole in tap water and grape juice. Journal of Chromatography B, Analytical Technologies In the Biomedical and Life Sciences, 2014;951-952():104-9 (see also Science).

The news correspondents report that additional information may be obtained from T. Du, Key Laboratory of Pesticide and Chemical Biology, Ministry of Education, Institute of Environmental Chemistry, College of Chemistry, Central China Normal University, Wuhan 430079, People's Republic of China. Additional authors for this research include J. Cheng, M. Wu, X. Wang, H. Zhou and M. Cheng.

Keywords for this news article include: Asia, Wuhan, Science, People's Republic of China.

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Source: Science Letter

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