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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 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

Techpool Bio-pharma Co aims to become a leader in protein production

The company, located in Guangzhou’s Nansha District, has invested 180 million Yuan for a protein proeduction facility which can handle 15.000 t/year. The company features the production of proteins from urine, e. g., Kailikang, a human protease which dilates arteries and inhibits platelet aggregation.

China Bio 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

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

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

CAS QIBEBT develops alkane-induced reporter system for monitoring alkane production by algae

The group around Xuefeng LU at QIBEBT studies alkane production by Synechococcus PCC7942 using recombinant aliphatic aldehydes deformylation dioxygenase ( ADO) as the critical enzyme for hydrocarbon production from accumulated triglycerides. Based on promoters from Pseudomonas and Acinetobacter which are triggered by long-chain alkanes, the group constructed a GFP-reporter which allows the rapid screening of high alkane-producing mutants.

CAS news release, June 11, 2015

CAS QIBEBT develops novel Inducible promoter system for Clostridium

The group around CUI Qiu has developed a new arabinose-based promoter system for C. cellulolyticum which includes an oxygen-independent fluorescent reporter, a sensitive MazF-based counterselection genetic marker and a precise gene knock-out method based on an inducible ClosTron system. The arabinose-inducible gene operation system ARAi has high inducing efficiency and stringency, and ARAi can be applied in both controllable gene expression and precise gene disruption, stimulating the application of Clostridium in the bioconversion of lignocellulosic substrates.

CAS news release, June 6, 2015

Chinese stem cell-related markets grow strongly, 2014 at 30 billion Yuan (~4,5 billion)

According to a lead article in People’s Daily, cities as Harbin, Changchun, Tianjin, Beijing, Shanghai and others have established a stem cell industry base with a complete industrial chain from upstream to downstream storage and clinical applications but lacks large-scale clinical studies. Stem cell technology will be a priority in the coming 5 years’ plan

China Bio news release, June 5, 2015

Suzhou researchers develop wearable fibrous perovskite for e-textiles

The group around Qingwen LI at CAS SINANO in Suzhou has coated carbon nanotubes with perovskite, obtaining a bendable fibre which convenrts about 3 % of solar enery into electricity. The prototype material wears down within 4 days due to air and moisture, but the researchers see room to improve the technology for self-powering e-textiles

CAS news release, June 1, 2015

CAS Dalian Institute of Chemical Physics develops novel microporous polymer for safer drinking water

The group of Weiqiao DENG has developed a perfluorinated conjugated microporous polymer (PFCMP with a super-hydrophobic surface area, which absorbs a wide range of organic solvents, oil, dyes and heavy metal ions with very good adsorption capacity, adsorption kinetics and regeneration. Dye adsorption capacity reached 1377mg/g, lead ion adsorption capacity 808mg/g, arsenic ion adsorption capacity 303mg/g, and the adsorption of organic solvents reached 3000 wt.%. Toluene was removed from water within 40s.

CAS news release, May 25, 2015