China has mastered corneal preservation technology

Release date: 2006-09-07

China has mastered corneal preservation technology
On September 1st, Xie Lixin, director of the Shandong Institute of Ophthalmology and the Chinese Academy of Engineering, who was awarded the 2006 China Ophthalmology Outstanding Achievement Award, reported at the award-winning speech conference that China’s eye bank corneal preservation technology has contributed to the development of eye bank after legislation for corneal donation in China. Provide technical support. He has obtained 4 national invention patents for innovative intraocular sustained-release ophthalmology researched by the Institute of Chemistry of the Chinese Academy of Sciences.
According to reports, corneal transplantation requires donors, donor collection, storage, screening, detection, and preservation. It is called "eye bank" technology, which is mainly the active preservation of cornea. In 1987, Xie Lixin successfully developed the "human umbilical cord serum corneal active preservation solution" for the first time in China. After repeated improvement, in 1997, he and Professor Dong Xiaoguang jointly developed the "DX corneal medium preservation solution", which increased the active preservation time of the cornea from 4 days to 11 days, and the price was only 1/5 of the imported similar preservation solution. This technology has been widely used nationwide and has obtained national invention patents. In 2002, they used the corneal organ culture preservation solution developed, and firstly carried out research on organ culture preservation cornea in China, which can preserve corneal endothelial activity for 4 weeks and has been successfully used in clinical practice. These studies have improved the preservation methods of the cornea in the short, medium and long term, and successfully upgraded the corneal preservation technology of our eye bank to the international level.
In the early 1990s, Xie Lixin and the Institute of Chemistry of the Chinese Academy of Sciences collaborated to study the new intraocular delivery PGLC, which is the first intraocular sustained-release carrier with independent intellectual property rights in China. Since then, they have developed long-acting cyclosporine intraocular drug release system, rapamycin sustained release system, FK506 sustained release system, heparin sustained release system and other ophthalmic innovative drugs, so that the intraocular drug concentration remains relatively stable for a long time. At the therapeutic level, the dosage of the drug, the number of medications and toxic side effects are reduced, the residence time of the drug is increased, and the bioavailability of the drug is improved. These studies were funded by topics such as the National “863” Major Project.

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For months it remains in liquid state and crystallizes very slowly, because in its composition contains more fructose than glucose. Bee themselves successfully hibernate, if they can hibernate on the acacia honey.

Healing properties:

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Recommended use:

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Preservation way:

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