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Microbial glycerol dialkyl glycerol tetraethers from river water and soil near the Three Gorges Dam on the Yangtze River
Suspended particulate matter (SPM) was collected above and below the Three Gorges Dam (TGD) on the Yangtze River in May, July and December 2009, respectively, for a study of the spatial and temporalExpand
Improved production of a recombinant Rhizomucor miehei lipase expressed in Pichia pastoris and its application for conversion of microalgae oil to biodiesel
BackgroundWe previously cloned a 1,3-specific lipase gene from the fungus Rhizomucor miehei and expressed it in methylotrophic yeast Pichia pastoris strain GS115. The enzyme produced (termed RML) wasExpand
U–Pb and Re–Os geochronology and geodynamic setting of the Dabaoshan polymetallic deposit, northern Guangdong Province, South China
Abstract The Dabaoshan polymetallic deposit in northern Guangdong Province contains iron, copper, lead, zinc, molybdenum, tungsten and sulfur mineral resources. Porphyry-type Mo(W) and skarn-typeExpand
Enzymatic synthesis of sugar fatty acid esters in ionic liquids
Sugar fatty acid esters are nonionic biosurfactants widely used in food, cosmetic and pharmaceutical industries. Ionic liquids (ILs) have shown great potential as an alternative reaction medium toExpand
Preparative isolation of bufalin and cinobufagin from Chinese traditional medicine ChanSu.
In this investigation, a method is developed for the isolation and purification of bufadienolides (resibufogenin, cinobufagin, and bufalin) from the Chinese traditional medicine ChanSu. The crudeExpand
Effect of ionic and non-ionic surfactants on the activity and stability of mushroom tyrosinase
Abstract Three typical surfactants were selected based on their head group charges: an anionic surfactant sodium di-2-ethylhexylsulfosuccinate (AOT), a non-ionic surfactant polyethylene glycolExpand
A novel mono- and diacylglycerol lipase highly expressed in Pichia pastoris and its application for food emulsifier preparation
Abstract A mono- and diacylglycerol lipase (MDL) was cloned from Penicillium cyclopium and expressed in Pichia pastoris strain GS115. The recombinant enzyme was named Lipase GH1. High cell densityExpand
A novel cytotoxic ternary copper(II) complex of 1,10-phenanthroline and L-threonine with DNA nuclease activity.
A novel ternary copper(II) complex, [Cu(phen)(L-Thr)(H2O)](ClO4) (phen=1,10-phenanthroline, L-Thr=L-threonine), has been synthesized and structurally characterized. The complex crystallized in aExpand
Total synthesis of methyl protodioscin: a potent agent with antitumor activity.
Methyl protodioscin (1), otherwise known as 3-O-[alpha-L-rhamnopyranosyl-(1-->2)-[alpha-L-rhamnopyranosyl-(1-->4)]-beta-d-glucopyranosyl]-26-O-[beta-D-glucopyranosyl]-22-methoxy-25(R)-furost-5-ene-3Expand
Oxidative DNA cleavage promoted by multinuclear copper complexes: activity dependence on the complex structure.
Polynuclear copper complexes with two or three Cu(BPA) (BPA, bis(2-pyridylmethyl)amine) motifs, [Cu2(mTPXA)Cl4]3 H2O (1), [Cu2(pTPXA)Cl4]3 H2O (2), [Cu3(HPTAB)Cl5]Cl3 H2O (3) (mTPXA =Expand