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Two New Metabolites with Cytotoxicities from Deep-Sea Fungus, Aspergillus sydowi YH11-2
Li, De-Hai,Cai, Sheng-Xin,Tian, Li,Lin, Zhen-Jian,Zhu, Tian-Jiao,Fang, Yu-Chun,Liu, Pei-Pei,Zhu, Wei-Ming,Gu, Qian-Qun 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.9
Two new compounds, 2, 3, 5-trimethyl-6-(3-oxobutan-2-yl)-4H-pyran-4-one (1) and (2R)-2, 3-dihydro-7-hydroxy-6, 8-dimethyl-2-[(E)-prop-1-enyl] chromen-4-one (2), together with six known compounds (3-8), were isolated from a deep-sea fungus, identified as Aspergillus sydowi, by a bioassay-guided method. Their structures were elucidated by spectroscopic methods and the cytotoxicities were evaluated by SRB method.
Shui Wang,Qun-Sheng Li,Zhao Li 한국화학공학회 2007 Korean Journal of Chemical Engineering Vol.24 No.2
using a laser technique in the temperature range from 283.15 to 323.15 K. The results were correlated with a semi-empirical equation. The experimental solubility and correlation equation in this work can be used as essential data andmodels in the purification process of 4-(3,4-dichlorophenyl)-1-tetralone.
Shui Wang,Qun-Sheng Li,Zhao Li 한국화학공학회 2008 Korean Journal of Chemical Engineering Vol.25 No.3
The solubility of 4-(3,4-dichlorophenyl)-1-tetralone in eleven alcohols (methanol, ethanol, 1-propanol, 1- butanol, 1-pentanol, 1-hexanol, 2-propanol, 2-butanol, 2-pentanol, 1,2-propanediol, 1,3-propanediol) was measured by using a laser technique with a temperature range from 283 K to 323 K, and at atmospheric pressure. For mono n-alcohols, the solubility is the lowest in methanol, increasing with the carbon chain of the alcohols. The results were correlated with a semi-empirical equation. The experimental solubility and correlation equation in this work can be used as essential data and models in the purification process of 4-(3,4-dichlorophenyl)-1-tetralone.
HCV, Alcoholic : PE-097 ; Application of clinical staging for Primary biliary cirrhosis
( Xu Yun ),( Li Jian Sheng ),( Wang Qun Ying ),( Et Al ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.-
Background: The clinical manifestations of primary biliary cirrhosis are diverse and complex. The clinical manifestations of different clinical period are different. There are certain limitations to the role of the clinical diagnosis and treatment by previous pathological stage. Our objective is to investigate the c1inical staging for primary biliary cirrhosis (PBC). Methods: Ninety six patients diagnosed of PBC in three periods (1995-1998 13 cases, 1999-2002 11 cases, 2003-2007 66 cases) were enrolled and their clinical manifestation and biochemica1 indicators were observed. The liver biopsy and therapeutic effects were evaluated. Results: The early diagnostic rate had increased in recent years. Since 2003, 19 asymptomatic (4 with porta1 hypertention and 7 with splenohepatomegalia) and 2 early presymptomatic cases were diagnosed. There was no statistical difference in pruritus, lipoid granuloma, osteopathis, and night-blindness between symptomatic and decompensated patients (p > 0.05), while there was significant difference in lethargy, jaundice, portal hypertension, ascites, splenohepatomegalia and the incidence of other immune diseases between two groups (p<0.05). There was significant difference in levels of a1kaline phosphatase and IgM among patients in three periods. The levels of GGT were 36.75± 1.77, 303.71±82.15, 513.68±289.85 of u/L in presymptomatic, asymptomatic and symptomatic stage, respectively (p < 0.01). The patients in asymptomatic and symptomatic stage had histological changes of any pathologic stage. Ursodeoxycholic acid treatment could improve biochemical indicator of asymptomatic patients. The outcome of patients received treatment in asymptomatic stage was better than those in symptomatic stage. Conclusions: The clinical staging may result of early diagnosis of PBC and the early treatment will be more effective.
HCV : PE-097 ; Application of clinical staging for Primary biliary cirrhosis
( Xu Yun ),( Li Jian Sheng ),( Wang Qun Ying ),( Et Al ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.1
Background: The clinical manifestations of primary biliary cirrhosis are diverse and complex. The clinical manifestations of different clinical period are different. There are certain limitations to the role of the clinical diagnosis and treatment by previous pathological stage. Our objective is to investigate the c1inical staging for primary biliary cirrhosis (PBC). Methods: Ninety six patients diagnosed of PBC in three periods (1995-1998 13 cases, 1999-2002 11 cases, 2003-2007 66 cases) were enrolled and their clinical manifestation and biochemica1 indicators were observed. The liver biopsy and therapeutic effects were evaluated. Results: The early diagnostic rate had increased in recent years. Since 2003, 19 asymptomatic (4 with porta1 hypertention and 7 with splenohepatomegalia) and 2 early presymptomatic cases were diagnosed. There was no statistical difference in pruritus, lipoid granuloma, osteopathis, and night-blindness between symptomatic and decompensated patients (p > 0.05), while there was significant difference in lethargy, jaundice, portal hypertension, ascites, splenohepatomegalia and the incidence of other immune diseases between two groups (p<0.05). There was significant difference in levels of a1kaline phosphatase and IgM among patients in three periods. The levels of GGT were 36.75± 1.77, 303.71±82.15, 513.68±289.85 of u/L in presymptomatic, asymptomatic and symptomatic stage, respectively (p < 0.01). The patients in asymptomatic and symptomatic stage had histological changes of any pathologic stage. Ursodeoxycholic acid treatment could improve biochemical indicator of asymptomatic patients. The outcome of patients received treatment in asymptomatic stage was better than those in symptomatic stage. Conclusions: The clinical staging may result of early diagnosis of PBC and the early treatment will be more effective.
Two New Metabolites with Cytotoxicities from Deep-Sea Fungus, Aspergillus sydowi YH11-2
De-Hai Li,Sheng-Xin Cai,Li Tian,Zhen-Jian Lin,Tian-Jiao Zhu,Yu-Chun Fang,Pei-Pei Liu,Qian-Qun Gu,Wei-Ming Zhu 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.9
Two new compounds, 2, 3, 5-trimethyl-6-(3-oxobutan-2-yl)-4H-pyran-4-one (1) and (2R)-2, 3- dihydro-7-hydroxy-6, 8-dimethyl-2-[(E)-prop-1-enyl] chromen-4-one (2), together with six known compounds (3-8), were isolated from a deep-sea fungus, identified as Aspergillus sydowi, by a bioassay-guided method. Their structures were elucidated by spectroscopic methods and the cytotoxicities were evaluated by SRB method.
Solubility of D(−)-p-Hydroxyphenylglycine dane salt in binary methanol+isopropanol solvent mixtures
Zheng-Ming Yi,Qun-Sheng Li,Wei-Zhong Liu,Xu-Feng Sun 한국화학공학회 2010 Korean Journal of Chemical Engineering Vol.27 No.3
The solubility of D(−)-p-Hydroxyphenylglycine Dane Salt (HPGDane Salt) in binary methanol and isopropanol solvent mixtures was measured using a laser technique with the temperature range from 283.15 K to 323.15 K and mole fraction (x2) range from 0.0000 to 1.0000. The results were correlated with a semi-empirical equation.