BEIJING, May 5 (Xinhua) -- The following is a summary of published science and technology news of China.

IMMUNE THERAPY INSTITUTE

Shanghai has established an immune therapy institute to promote China's innovation and competitiveness in immunological disease prevention and control.

Established at the Renji Hospital under the Shanghai Jiao Tong University School of Medicine, the institute will focus on three research areas: tumor immunotherapy, chronic inflammatory diseases and transplantation immunology, and infectious diseases and vaccines.

MISSION TO EDGE OF SOLAR SYSTEM

Chinese scientists are evaluating the feasibility of a project to send spacecraft to the edge of the solar system, said Wu Weiren, chief designer of China's lunar exploration program.

According to the project, the Chinese spacecraft will cover a distance about 100 times than that between the sun and Earth by 2049, when the People's Republic of China celebrates its 100th founding anniversary.

ULTRAHIGH-SPEED MEMORY DEVICES

A Chinese research team developed non-volatile floating-gate memory devices with ultrahigh speed, based on van der Waals heterostructures with atomically sharp interfaces between different functional elements, with extinction ratio up to 10 billion.

Such memory devices can achieve reading and writing operations within the range of 20 nanoseconds, and keep data for at least ten years. Enditem

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