China in Africa

 

Giant panda: a vegetarian with a digestive tract of a carnivore

A new study by ZHANG Wenping, a Panda specialist at Sichuan University in Chengdu, has shown, by metagenome sequencing of the Panda’s gut microbiota, that it is not the Panda microbiota which would make a major contribution to his nutrition by degrading of cellulose or lignin abundant in bamboo, a Panda’s major staple food. Rather, the Panda’s own digestive enzymes have evolved for a high digestibility of starch and hemicellulose, allowing for a fast dietary transition from breast milk to bamboo shoots and tender leaves as a major source of nutrition. Bamboo has among the highest levels of starch among all woody plants, and giant pandas have adapted to bamboo as their preferred nutrition because it is everywhere in their habitats, and they have few competitors for this type of food.

CAS news release, February 27, 2018

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China puts advanced weather satellite FY-4-01 into orbit

The 14-channel satellite is the first successor of the present FY-2 series, with much improved temporal (15 min) and spacial resolution (500 m). By multispectral, high-precision and quantitative observation data, the satellite will investigate details inside typhoons, rainstorms, floods, forest fires, sand storms and space weather. In addition, it can capture 500 lightning pictures per second

CAS news release, December 12, 2016

135 Biomass energy development plan” targets ambitious goals”

By 2020, 160 bio-gas and recycling agriculture demonstration sites should have an annual output of 80 billion cubic meters biogas. As to bio-liquid fuels, consumption of heavy metal polluted corn and rice grains, cassava as raw materials, and the use of wasteland, saline sorghum and other energy crops will be supported. As of 2020, biomass energy is expected in 2020 to replace 58 million tons of fossil energy-carriers, reduce carbon dioxide emissions by about 150 million tons, dust emissions by about 52 million tons, sulfur dioxide emissions by about 1.4 million tons, and NOX emissions by about 440,000 tons. According to plan, by 2020 the annual sales from biomass energy will be about RMB 120 billion, providing 4 million jobs and increasing farmers’ incomes by RMB 20 billion.

China Bio news release, Decembeer 9, 2016

Ministry of Industry and Information Technology publishes 135″ plan on “intelligent manufacturing””

The plan focuses on 10 priority sectors, including advanced rail, aviation and aerospace, agricultural machinery and technology, and new generation information technology. It encourages domestic manufacturers to make technological breakthroughs in the emerging industries to shift towards more value-added production. The plan is part of the Made-in-China 2025″ program.”

CAS news release, December 7, 2016

Researchers at Peking University develop new type of flu vaccine

The group of Deming ZHOU modified the premature termination codon (PTC) in the genome of influenza A virus and found that the modified virus could no longer replicate in regular cells. Antibody response was comparable to an existing live-virus vaccine, and a second dose further increased the amounts of antibodies by a factor of six to eight. The vaccine elicited all aspects of immune responses including humoral, mucosal and T cell-mediated immunity against hyper-variable and even antigenically distinct influenza virus strains, providing a potential therapeutic tool. The viral vaccine was successfully tested via the intranasal route against several different strains of influenza in guinea pigs and ferrets.

CAS news release, December 7, 2016

China University of Science and Technology develops invisible watermark protection of documents

The method is based on single-shot ptychography encoding (SPE) that uses multiple partially-overlapping beams of light to generate a diffraction pattern from a complex object. SPE can encode the optical watermark in a single exposure with no mechanical scanning, is less prone to error than other methods and uses a simpler optical setup.

CAS news release, December 7, 2016

BGI publishes life science data resource BIG Data Center””

The components and access data for the center have been published in Nucleic Acid Research and are an important milestone to integrate China’s life and health data collections into the global genome data sharing network.

CAS news release, December 5, 2016

Consortium to build LED plant factory in Quanzhou, Fujian Province

Partners are Zhongke Biological, a member of the Fujian San’an Group, and the Chinese Academy of Sciences They will jointly invest 7 billion yuan in 4 years to build a plant plant research institute, a plant factory and warehouse, and a marketing and distribution system. The plant factory will produce high added value vegetables, fruits, flowers and herbs. Based on LED spectral and automation equipment for temperature, humidity, wavelength of light, carbon dioxide concentration and nutrient solution, lettuce has taken from sowing to harvest only 20 days. Annual sales value is expected at 8 billion yuan.

China Bio news release, December 1, 2016

CAS scientists produce quantum nonlocality from local contextuality

Scientists at the CAS Key Laboratory of Quantum Information have designed a beam splitter which allowed to generate a two-photon Qbit hyper-entangled state with high fidelity. The experimental results show that single-particle contextuality and two-party nonlocality can coexist, essential for device-independent secure communication and for fault-tolerant universal quantum computation.

CAS news release, November 30, 2016

Chinese microbial collections comprise 182,000 strains, ranking number 4 worldwide

According to Juncai MA, Drector of the Center for Microbial Resources at CAS Institute of Microbiology, counts nearly 64,000 Chinese publications (2001-2015) related to microbiology. His group is constructing the „World Microbial Data Center“, to which presently 710 microbial resource centers in 72 countries have adhered.

China Bio news release, November 30, 2016

China’s University of Science and Technology builds photovoltaic farm””

The focus is on general lighting conditions of three crops (cucumber, bamboo leaf, lettuce), and the main plant physiological parameters observed are soluble protein and sugar content, and root active absorption area. The results show that the use of filter film from March to May is beneficial to crop growth and can help to increase crop yield and improve crop quality. The multi-layer interference filter used does not only select red and blue light, but also also allows passage of the full spectrum diffuse sunlight (about 15% of the unfiltered light).

China Bio news release, November 18, 2016

Chinese consortium reaches milestone on plant DNA barcoding

A 22 member group of universities and institutes of the CAS has used the seed and DNA materials collected from the Southwest China Wildlife Germplasm Bank to establish a major plant DNA database. Barcoding was done on 10076 samples, covering 196 families 1292 genera and 3463 species. 5 DNA barcode fragments were used: ITS/ITS2, rbcL, matK and trnH. More than 74,000 DNA barcode sequences entered into a reference database with 110,000 integrated plant photos, for a national wild plant identification information platform.

CAS news release, November 28, 2016

Shenzhen Shekou Sewage Treatment Plant builds large-scale membrane bioreactor

China’s municipal sewage treatment is estimabed at 15 million tons/day, providing 5 billion tons of recycled water per year. Membrane processes are preferred; in 2006, Beijing Miyun built China’s first 10,000-ton-scale recycled water plant with a capacity of 45,000 tons/day. The plant was at the time the world’s largest MBR project.

China Bio news release, November 24, 2016

Beida Weiming Group puts World’s largest cell preparation center” into operation.”

The Center is located in Hebei’s Qinhuangdao Beidaihe District and will put a focus on cell separation, cell culture, cell expansion, cell preparation and quality control with cells from patients suffering from B lymphocytic leukemia, malignant lymphoma, cancer and other patients with personalized treatment programs

China Bio news release, November 18, 2016

CAS Shenzhen Institute of Advanced Technology develops biomimetic nanocarrier for cancer therapy

The group of Lintao CAI and colleagues has constructed an artificial red blood cell made up from a polymer, hemoglobin and a cationic phospholipid, loaded with doxorubicin. The biomimetic nano-system possesses oxygen-like and oxygen-releasing functions similar to red blood cells and transfers oxygen to the inside of cancer cells, intervening with mitochondrial metabolism and increasing intracellular ATP- and reactive oxygen species (ROS) content. Lethal effects on cancer cells increased by 438%, compared to free adriamycin.

CAS news release, November 16, 2016