Yun Wei

Summary

Affiliation: Beijing University of Chemical Technology
Country: China

Publications

  1. doi request reprint Modelling counter-current chromatography using a temperature dependence plate model
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Chromatogr B Analyt Technol Biomed Life Sci 933:30-6. 2013
  2. doi request reprint Online isolation and purification of four phthalide compounds from Chuanxiong rhizoma using high-speed counter-current chromatography coupled with semi-preparative liquid chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Chromatogr A 1284:53-8. 2013
  3. doi request reprint Preparative separation of bioactive compounds from essential oil of Flaveria bidentis (L.) Kuntze using steam distillation extraction and one step high-speed counter-current chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Chaoyang District, Beijing, China
    J Sep Sci 35:2608-14. 2012
  4. doi request reprint Isolation of bioactive components from Flaveria bidentis (L.) Kuntze using high-speed counter-current chromatography and time-controlled collection method
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, P R China
    J Sep Sci 35:869-74. 2012
  5. doi request reprint Separation of patuletin-3-O-glucoside, astragalin, quercetin, kaempferol and isorhamnetin from Flaveria bidentis (L.) Kuntze by elution-pump-out high-performance counter-current chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Chromatogr A 1218:6206-11. 2011
  6. pmc Enantioseparation of lomefloxacin hydrochloride by high-speed counter-current chromatography using sulfated-β-cyclodextrin as a chiral selector
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, PR China
    J Chromatogr B Analyt Technol Biomed Life Sci 878:2937-41. 2010
  7. pmc Separation of epigallocatechin and flavonoids from Hypericum perforatum L. by high-speed counter-current chromatography and preparative high-performance liquid chromatography
    Yun Wei
    Beijing University of Chemical Technology, Chaoyang District, China
    J Chromatogr A 1216:4313-8. 2009
  8. doi request reprint Preparative isolation and purification of senkyunolide-I, senkyunolide-H and ferulic acid from Rhizoma Chuanxiong using counter-current chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Chaoyang District, Beijing, P R China
    J Sep Sci 34:3426-32. 2011
  9. ncbi request reprint Effect of Huannao Yicong prescription [See Text] extract on β-amyloid precursor protein metabolic signal transduction-related protein in brain tissue of dementia model transgenic mouse
    Hao Li
    Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
    Chin J Integr Med 18:683-9. 2012
  10. doi request reprint Separation and purification of isorhamnetin 3-sulphate from Flaveria bidentis (L.) Kuntze by counter-current chromatography comparing two kinds of solvent systems
    Qianqian Xie
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, P R China
    J Sep Sci 35:159-65. 2012

Collaborators

Detail Information

Publications18

  1. doi request reprint Modelling counter-current chromatography using a temperature dependence plate model
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Chromatogr B Analyt Technol Biomed Life Sci 933:30-6. 2013
    ..Besides, it is difficult for the CCC work when two compounds have similar K values. However, separation can be achieved by changing temperature, which can be directed by this new model. ..
  2. doi request reprint Online isolation and purification of four phthalide compounds from Chuanxiong rhizoma using high-speed counter-current chromatography coupled with semi-preparative liquid chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Chromatogr A 1284:53-8. 2013
    ..5%) and 4.8 mg of 3-butylidenephthalide (99.3%) were obtained. The identification of these four compounds was performed by quadrupole time-of-flight mass spectrometer, (1)H and (13)C nuclear magnetic resonance spectrometer...
  3. doi request reprint Preparative separation of bioactive compounds from essential oil of Flaveria bidentis (L.) Kuntze using steam distillation extraction and one step high-speed counter-current chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Chaoyang District, Beijing, China
    J Sep Sci 35:2608-14. 2012
    ..1% and 5.7 mg of caryophyllene at a purity of 98.8% were obtained from 200 mg essential oil of Flaveria bidentis (L.) Kuntze. The chemical structures of these components were identified by GC-MS, (1) H-NMR, and (13) C-NMR...
  4. doi request reprint Isolation of bioactive components from Flaveria bidentis (L.) Kuntze using high-speed counter-current chromatography and time-controlled collection method
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, P R China
    J Sep Sci 35:869-74. 2012
    ..Kuntze. The structures of the separated compounds were identified by electrospray-ionization mass spectrometry and proton and carbon nuclear magnetic resonance ((1)H- and (13)C-NMR)...
  5. doi request reprint Separation of patuletin-3-O-glucoside, astragalin, quercetin, kaempferol and isorhamnetin from Flaveria bidentis (L.) Kuntze by elution-pump-out high-performance counter-current chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Chromatogr A 1218:6206-11. 2011
    ..The pump-out peaks are isorhanetin (98% purity), kaemferol (93% purity) and quercitin (99% purity). The chemical structure of patuletin-3-O-glucoside and astragalin were confirmed by MS and ¹H, ¹³C NMR...
  6. pmc Enantioseparation of lomefloxacin hydrochloride by high-speed counter-current chromatography using sulfated-β-cyclodextrin as a chiral selector
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, PR China
    J Chromatogr B Analyt Technol Biomed Life Sci 878:2937-41. 2010
    ..The overall results of our studies indicated that sulfated-β-cyclodextrin is very useful for the chiral separation by HSCCC...
  7. pmc Separation of epigallocatechin and flavonoids from Hypericum perforatum L. by high-speed counter-current chromatography and preparative high-performance liquid chromatography
    Yun Wei
    Beijing University of Chemical Technology, Chaoyang District, China
    J Chromatogr A 1216:4313-8. 2009
    ..A mixture of epigallocatechin and avicularin pooled from three HSCCC runs, a total amount of 54.3mg, was further separated by prep-HPLC yielding 23.4mg of epigallocatechin and 15.3mg of avicularin each at a purity of over 97%...
  8. doi request reprint Preparative isolation and purification of senkyunolide-I, senkyunolide-H and ferulic acid from Rhizoma Chuanxiong using counter-current chromatography
    Yun Wei
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Chaoyang District, Beijing, P R China
    J Sep Sci 34:3426-32. 2011
    ..7 mg) and FA (4.4 mg) with the purities of 98, 93 and 99%, respectively. The CCC fractions were analyzed by high-performance liquid chromatography, and the structures of the three active compounds were identified by MS and (1)H NMR...
  9. ncbi request reprint Effect of Huannao Yicong prescription [See Text] extract on β-amyloid precursor protein metabolic signal transduction-related protein in brain tissue of dementia model transgenic mouse
    Hao Li
    Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
    Chin J Integr Med 18:683-9. 2012
    ....
  10. doi request reprint Separation and purification of isorhamnetin 3-sulphate from Flaveria bidentis (L.) Kuntze by counter-current chromatography comparing two kinds of solvent systems
    Qianqian Xie
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, P R China
    J Sep Sci 35:159-65. 2012
    ..In summary, our results indicated that CCC using one-component organic/salt-containing aqueous solution is very promising and powerful for high-throughput purification of isorhamnetin 3-sulphate from Flaveria bidentis (L.) Kuntze...
  11. ncbi request reprint Simultaneous analysis of trace polymer additives in plastic beverage packaging by solvent sublation followed by high-performance liquid chromatography
    Lin Chang
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, People s Republic of China
    J Agric Food Chem 61:7165-71. 2013
    ..13-4.15 ng/mL were achieved. The mean recoveries were in the range from 88.73 to 107.65% at 20, 30, and 40 ng/mL spiked levels, and the relative standard deviations (RSDs) were in the range from 2.16 to 10.55%. ..
  12. pmc Separation of chlorogenic acid and concentration of trace caffeic acid from natural products by pH-zone-refining countercurrent chromatography
    Yuanyuan Lu
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China
    J Sep Sci 36:2210-5. 2013
    ..3 g of crude extract of Lonicerae Flos have been obtained. These results suggest that pH-zone-refining CCC is suitable for the isolation of the chlorogenic acid from the crude extracts of F. bidentis and Lonicerae Flos. ..
  13. ncbi request reprint Preparative separation of punicalagin from pomegranate husk by high-speed countercurrent chromatography
    Jingjing Lu
    Key Laboratory of Bioprocess of Beijing, Beijing University of Chemical Technology, Beijing, China
    J Chromatogr B Analyt Technol Biomed Life Sci 857:175-9. 2007
    ..Eighty milligrams of gallic acid was simultaneously separated as another product, at a purity of 75%...
  14. pmc Chiral magnetic microspheres purified by centrifugal field flow fractionation and microspheres magnetic chiral chromatography for benzoin racemate separation
    Ailin Tian
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, PR China
    J Chromatogr A 1305:333-7. 2013
    ..In addition, an external magnetic field facilitates the recycling of the magnetic chiral selector. ..
  15. doi request reprint Effect of early intervention with extract of Huannao Yicong Decoction (还脑益聪方) on the pathologic picture of hippocampus and neurocyte apoptosis in APP transgenic mice model of dementia
    Hao Li
    Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
    Chin J Integr Med 17:430-5. 2011
    ....
  16. doi request reprint Determination of major components and fingerprint analysis of Flaveria bidentis (L.) Kuntze
    Qianqian Xie
    1State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, China
    J Chromatogr Sci 52:252-7. 2014
    ..Kuntze. The results indicate that this multi-component determination method in combination with chromatographic fingerprint analysis is suitable for the quantitative analysis and identification of Flaveria bidentis (L.) Kuntze. ..
  17. ncbi request reprint Preparative isolation of imperatorin, oxypeucedanin and isoimperatorin from traditional Chinese herb "bai zhi"Angelica dahurica (Fisch. ex Hoffm) Benth. et Hook using multidimensional high-speed counter-current chromatography
    Yun Wei
    Applied Chemistry Department, Faculty of Sciences, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Chromatogr A 1115:112-7. 2006
    ..9 mg of imperatorin, 8.6 mg of oxypeucedanin and 10.4 mg of isoimperatorin all at a high purity of over 98%...
  18. doi request reprint Determination of polymer additives-antioxidants and ultraviolet (UV) absorbers by high-performance liquid chromatography coupled with UV photodiode array detection in food simulants
    Yali Gao
    State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, 15 BeiSanHuan East Road, Chaoyang District, Beijing 100029, China
    J Agric Food Chem 59:12982-9. 2011
    ....