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Optimization of Fermentation Conditions and Properties of an Exopolysaccharide from Klebsiella sp. H-207 and Application in Adsorption of Hexavalent Chromium
The novel exopolysaccharide HZ-7 is produced by Klebsiella sp. H-207, and its fermentation conditions were optimized by response surface methodology (RSM). In this study, the optimized mediumExpand
Rapid Biosynthesis of Silver Nanoparticles Based on Flocculation and Reduction of an Exopolysaccharide from Arthrobacter sp. B4: Its Antimicrobial Activity and Phytotoxicity
Silver nanoparticles (AgNPs) were rapidly synthesized using an exopolysaccharide from Arthrobacter sp. B4 (B4-EPS). The optimum condition for AgNPs synthesis was under the concentration of 5 g/LExpand
Summer Temperature Variations since 1676 AD in Luya Mountain,Shanxi Province of China,Inferred from Tree Rings
A tree-ring chronology of 328 years is obtained by using the Regional Curve Standardization method based on conifer samples(Pinus tabulaeformis) collected from Luya Mountain,ShanxiExpand
Reducing nitrogen leaching in a subtropical vegetable system
Abstract Nitrogen (N) leaching is considered a substantial problem in South China vegetable production because of the heavy rainfall and the excessive application of N fertilizer, but quantitativeExpand
Investigation on binding of nitric oxide to horseradish peroxidase by absorption spectrometry.
The non-competitive inhibition model is also applicable to studying the effect of nitric oxide on other metalloenzymes, which catalyze the two-substrate reaction with the "ping-pong" mechanism. Expand
Characteristics comparison of the leaf anatomy of {\sl Cyclobalanopsis glauca} and its adaption to the environment of typical karst peak cluster areas in Nongla
The anatomical characters of Cyclobalanopsis glauca of different physiognomy in peak cluster areas depression ecological system in Guangxi Nongla were analyzed. The results are as follows: (1)TheExpand
Analysis on Distribution and Formation Causes of High-chrome Groundwater in Yuncheng City
The article discusses the distribution regulations and formation causes of high-chrome groundwater in Yuncheng city and confirms that the distribution of the groundwater is formed by naturalExpand
Selection of Parents for Breeding Edible Varieties of Sweetpotato with High Carotene Content
The combination of molecular markers and agronomic trait analysis may provide valuable theoretic basis for selection of parents to breed new varieties with high carotene content and for analyzing the genetic diversity of sweetpotato. Expand