Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Xin-Jun Xu"'
Preparative isolation of Heteroclitin D from Kadsurae Caulis using normal-phase flash chromatography
Publikováno v:
Journal of Pharmaceutical Analysis, Vol 3, Iss 6, Pp 456-459 (2013)
Heteroclitin D (H.D) was successfully isolated from Kadsurae Caulis by using flash chromatography and recrystallized by methanol, 10.2 mg of H.D was obtained from 4.86 g of crude extract, and the purity determined by HPLC was 99.4%. The structure was
Externí odkaz:
https://doaj.org/article/f6a9030c4496429bb798b72e8b1b8ef9
Autor:
Xin-Ying Li, Mei Yang, Jie-Yun Huang, Xiao-Xue Yu, Min-Qian Zhao, Zhi-Kun Liang, Zhi-Sheng Xie, Xin-Jun Xu
Publikováno v:
Journal of Pharmaceutical Analysis, Vol 3, Iss 6, Pp 429-433 (2013)
A high-speed counter-current chromatography (HSCCC) method was successfully developed for the preparative separation and purification of deoxyschizandrin from Schisandrae Sphenantherae Fructus in one step. The purity of deoxyschizandrin was 98.5%, an
Externí odkaz:
https://doaj.org/article/58299bc0d9e742549fd52504bf272d13
Publikováno v:
Journal of Pharmaceutical Analysis, Vol 3, Iss 3, Pp 215-220 (2013)
Volatile components from Rhizoma Alpiniae Officinarum were respectively extracted by three methods including hydrodistillation, headspace solid-phase microextraction (HS-SPME) and diethyl ether extraction. A total of 40 (hydrodistillation), 32 (HS-SP
Externí odkaz:
https://doaj.org/article/cc0575e5623e44e29f2fbebe6ef9d6f1
Publikováno v:
Journal of Pharmaceutical Analysis, Vol 2, Iss 4, Pp 258-263 (2012)
An efï¬cient method for the isolation and puriï¬cation of 12,13-dihydroxyeuparin from Radix Eupatorii Chinensis by high speed counter-current chromatography (HSCCC) was established in this paper. The ether extracts of Radix Eupatorii Chinensis we
Externí odkaz:
https://doaj.org/article/94c69eea593d4561b6d83a246ca7eefa
Publikováno v:
Journal of Pharmaceutical Analysis, Vol 1, Iss 3, Pp 219-222 (2011)
A reversed phase high performance liquid chromatography (HPLC) method was established for the simultaneous determination of 12, 13-dihydroxyeuparin and glycyrrhizic acid in Yanyanfang mixture. A Grace Apollo C18 column (250 mmÃ4.6 mm, 5 μm)
Externí odkaz:
https://doaj.org/article/33327c701e524937994de303acb866ac
Autor:
Pei-ting Zhang, Bi-yan Pan, Qiong-feng Liao, Mei-cun Yao, Xin-jun Xu, Jin-zhi Wan, Dan Liu, Zhi-yong Xie
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2013 (2013)
A simple and efficient HPLC-DAD (225 nm) method was developed and validated for the simultaneous determination of limonin and six key alkaloids (evodiamine, rutaecarpine, 1-methyl-2-undecyl-4(1H)-quinolone, evocarpine, 1-methy-2-[(6Z,9Z)]-6,9-pentade
Externí odkaz:
https://doaj.org/article/d3ae0c0681384ba7aaaf185449e8e55b
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789813294363
Smart grid relay protection device is the key equipment to ensure the security and stability of power grid operation, and it is the basis to realize the secure and stable supply of energy and the sustainable, healthy development of national economy.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf9238e03ccfd14e4376419af3c14c2e
https://doi.org/10.1007/978-981-32-9437-0_48
https://doi.org/10.1007/978-981-32-9437-0_48
Publikováno v:
Acta Chromatographica. 28:129-143
Citri Grandis Exocarpium (CGE) is a traditional Chinese medicine with a variety of biological activities. For efficient quality control of CGE, a simple, rapid, and accurate high-performance liquid chromatographic (HPLC) method was developed for simu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e990aa4e423181a6f6cc1ecae48b44e2
https://doi.org/10.1556/1326.2016.28.1.10
https://doi.org/10.1556/1326.2016.28.1.10
Publikováno v:
Analytical Letters. 49:2384-2396
Solidification of floating organic drop liquid-phase microextraction coupled with high-performance liquid chromatography (HPLC) is reported for the preconcentration and determination of three flavonoids in Amomum villosum Lour. Amomum villosum Lour.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::229548775c96c8c0c94121da36a72dec
https://doi.org/10.1080/00032719.2016.1149859
https://doi.org/10.1080/00032719.2016.1149859
Publikováno v:
Journal of Pharmaceutical Analysis
Journal of Pharmaceutical Analysis, Vol 1, Iss 3, Pp 219-222 (2011)
Journal of Pharmaceutical Analysis, Vol 1, Iss 3, Pp 219-222 (2011)
A reversed phase high performance liquid chromatography (HPLC) method was established for the simultaneous determination of 12, 13-dihydroxyeuparin and glycyrrhizic acid in Yanyanfang mixture. A Grace Apollo C18 column (250 mmÃ4.6 mm, 5 μm)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::701a1dc64b02ac5cf26821a478c76c58
https://pubmed.ncbi.nlm.nih.gov/29403703
https://pubmed.ncbi.nlm.nih.gov/29403703