Month: June 2015

Suzhou Institute of NUS performs human meniscal scaffold by 3D-printing, animal trials

The subsidiary of the National University of Singapore (dean: Xuguo QIN) has transferred pertinent technology from Singapore and is adapting it to the China market within the concept of a China – Singapore Suzhou Innovation Center, located near CAS Suzhou Institute of Nano-tech and Nano-bionics (SINANO). The base material used is poly-caprolactone (PCL). China Bio news release, June 26, 2015

CAS Institute of Physics finds sound-wave production from graphene sheets

Using multilayer graphene sheets, a multi-institute research team observed laser light-induced non-harmonic sound waves. The reaction pathway is believed to be light – heat – sound (heated ambient air molecules to form sound waves. The finding Their job may provide opportunities for graphene use in solar energy utilization, e. g., for optics-controlled speakers. CAS news release, June 26, 2015

CAS Xishuangbanna Tropical Botanical Garden develops process to produce biodiesel from oils with high acid value

Prof. FANG Zhen and his team of Xishuangbanna Tropical Botanical Garden (XTBG) conducted a study aiming to directly produce biodiesel from oils with high acid value without any pretreatment using activated nanosized Mg-Al hydrotalcite (HT-Ca). With 5 wt% HT-Ca, 160 oC, 30/1 methanol/oil molar ratio and 4 h, 93.4% Jatropha biodiesel yield was obtained with an acid value (AV) of 6.3 mg KOH/g with 4 cycles (biodiesel yield > 86%). Soybean biodiesel yield reached 92.9% even from oil with high AV of 12.1 mg KOH/g. CAS news release, June 25, 2015

Ministry of Agriculture will ban the use of 4 veterinary quinolone antibiotics from 2016

The antibiotics concerned are lomefloxacin, pefloxacin, ofloxacin and norfloxacin, which have been approved in > 5000 veterinary product approvals but are also used in human medicine. Production stop is scheduled for Sept. 1, 2015, distribution stop for Dec. 31, 2015. The extensive use of antibiotics was recently publicly critisized in Chinese media reports. China Bio news release, June 23, 2015

Chinese group releases „antibiotic pollution map“ of Chinese rivers

A team at the Guangzhou Institute of Geochemistry has published a map of „antibiotic pollution“ of Chinese rivers which shows that the Pearl River Basin has the worst pollution, but pollution in other rivers along the East coast is also very high. In some instances, amoxicillin concentration was found higher than 1 ng/l, as was the concentration of various quinolones. China Bio news release, June 19, 2015

Sheep have been diffused to China via the ancient Silk Road

Using mitochondrial DNA analysis of over 200 local breeds of sheep on various places along the Eurasian continent, the gorup of Menghua LI at CAS Institute of Zoology supported by an international team of researchers could prove that the seep diffused from the Eastern part of the Eurasian continent along the ancient Silk Road to Mongolia and China CAS news release, June 19, 2015

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