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- 저자 : Surong Jin (검색결과 2 건)
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Hu, Liqin,Zhou, Tingting,Feng, Jingwen,Jin, Hua,Tao, Yun,Luo, Dan,Mei, Surong,Lee, Yong-Ill Elsevier 2018 Journal of Electroanalytical Chemistry Vol.813 No.-
<P><B>Abstract</B></P> <P>Azithromycin (AZM) is a widely used macrolide antibiotic to treat infections caused by bacteria. Considering the side-effect to human health, a rapid and selective electrochemiluminescence (ECL) sensor was fabricated on the basis of molecularly imprinted polymer (MIP) modified carbon paste electrode as a recognition element. We systematically optimized the factors influencing the processes on the extraction and determination for AZM, including the amount of MIP power and paraffin oil, extraction solution, extraction time and the pH of Ru(bpy)<SUB>3</SUB> <SUP>2+</SUP> solution. Under the optimal condition, the wide linear range was observed from 1.0 × 10<SUP>−10</SUP> to 4.0 × 10<SUP>−7</SUP> mol L<SUP>−1</SUP>, and the limit of detection (LOD) was low as 2.3 × 10<SUP>−11</SUP> mol L<SUP>−1</SUP> (S/N = 3). The spiked recoveries of AZM in urine and blood samples were from 98.4% to 113.5% with RSD changing from 3.7% to 13.2%, respectively. The results of AZM determination by this proposed sensor were in accordance with that of high-performance liquid chromatography–tandem mass spectrometry method. Thus, the developed MIP-based ECL sensor will have a great potential application in rapid and sensitive determination of trace AZM in complex biological samples.</P> <P><B>Highlights</B></P> <P> <UL> <LI> ECL sensor </LI> <LI> MIP modified CP electrode </LI> <LI> Trace AZM determined in biological samples </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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Development and characterization of simple sequence repeat (SSR) markers based on a full-length c
Jia Wang,Yibing Huang,Zhitong Chen,Surong Jin,Zhongli Hu,Ying Diao 한국유전학회 2017 Genes & Genomics Vol.39 No.12
Napier grass (Pennisetum purpureum Schum.) is an economically important species used as a fodder crop, reflecting its high biomass, perennial nature and pest resistance. In order to understand the genomic information and development of this species based on SSR markers, the transcriptome for Napier grass was obtained using nextgeneration sequencing. A total of 117,076 sequence contigs were obtained, with lengths of 201–10,652 bp. Among these contigs, 44,313 (37.85%) sequences were annotated against public protein databases (E-value <10−5). In addition, the contigs generated from the transcript sequencing were also analysed for the presence of simple sequence repeats (SSRs). A total of 12,744 SSR motifs were identified with in these contigs and corresponding primer pairs were designed. Empirical validation of a cohort of 200 SSRs was performed, with 34% being polymorphic for 20 Napier grass accessions. The polymorphic index content values for each primer ranged from 0.105 to 0.749, with an average of 0.409. The development of genetic, genomic resources and EST-SSRs for Napier grass will contribute to novel gene discovery and the marker-assisted selective breeding of this species.
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