High-Throughput Color Imaging Hg Sensing via Amalgamation-Mediated Shape Transition of Concave Cube Au Nanoparticles.

Mercury, as one type of toxic heavy metal, represents a great threat to environmental and biological metabolic systems. Thus, reliable and sensitive quantitative detection of mercury levels is particularly meaningful for environmental protection and human health. We proposed a high-throughput single-particle color imaging strategy under dark-field microscopy (DFM) for mercury ions (Hg) detection by using individual concave cube Au nanoparticles as optical probes.

The first complete chloroplast genome of (Benn.) T. G. Hartley.

(Benn.) T. G.

Mechanochemical effect of ultrasound on sweet potato starch and its influence mechanism on the quality of octenyl succinic anhydride modified starch.

The purpose of this study is to reveal the mechanism of preparing high quality modified starch by ultrasonic technology. In this paper, ultrasonic modified starch and octenyl succinic anhydride modified starch with low degree of substitution were prepared under ultrasonic conditions, using sweet potato starch as raw material. The effects of ultrasound on the structure and properties of native sweet potato starch were studied to see whether ultrasound could produce mechanochemical effect on starch.

The effect of Zn on the Zn accumulation and biosynthesis of amino acids in mycelia of Cordyceps sinensis.

Zinc is an essential trace element in the human body and it participates in various pathways of metabolism. Cordyceps sinensis is a wellknown traditional Chinese medicine that contains cordycepin, cordycepic polysaccharides, proteins, vitamins, trace elements, and many other biological active materials. In this study, we cultured C.