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4462results about How to "Promote secretion" patented technology

CAR-T transgene vector based on replication defective recombinant lentivirus and construction method and application of CAR-T transgene vector

The invention discloses a CAR-T transgene vector based on replication defective recombinant lentivirus. The CAR-T transgene vector comprises an original nuclear replicon pUCOri sequence, a resistance gene AmpR sequence containing ampicillin, a virus replicon SV40 Ori sequence, a lentivirus packaging cis element, ZsGreen1 green fluorescent protein, an IRES ribosome binding sequence, a human EF1 alpha promoter , a chimeric antigen receptor of second-generation CAR or third-generation CAR and a regulating element, wherein the original nuclear replicon pUCOri sequence is used for plasmid replication; the resistance gene AmpR sequence is used for massively proliferating target strains; the virus replicon SV40 Ori sequence is used for enhancing replication in eukaryocyte; the lentivirus packaging cis element is used for lentivirus packaging; the ZsGreen1 green fluorescent protein is used for expressing green fluorescent for eukaryocyte; the IRES ribosome binding sequence is used for jointly transcribing and expressing protein; the human EF1 alpha promoter is used for conducting eukaryotic transcription on antigen receptor genes; the chimeric antigen receptor is used for forming the second-generation CAR or the third-generation CAR integrating recognition, transfer and start; the regulating element is used for enhancing expression efficiency of transgenes and used after eWPRE-enhanced type woodchuck hepatitis b virus is transcribed. Besides, the invention further discloses a construction method and application of the vector. By means of the CAR-T transgene vector and the construction method and application of the vector, secretion of cell factors and an in vitro killing effect of CAR-T cells can be remarkably improved, and the clinical treatment effect is remarkable.
Owner:SHANGHAI UNICAR THERAPY BIOPHARM TECH CO LTD

Green health-preservation sweet-scented osmanthus tea beverage and preparation method thereof

The invention discloses a green health-preservation sweet-scented osmanthus tea beverage. The green health-preservation sweet-scented osmanthus tea beverage comprises the following raw materials in parts by weight: 30-40 parts of sweet-scented osmanthus, 1-2 parts of honey, 3-5 parts of Chinese wolfberry fruits, 7-11 parts of fresh tea leaves, 2-3 parts of haws, 3-5 parts of sugarcane, 2-4 parts of cucumbers,3-5 parts of aloe, 0.08-0.14 part of a thickening agent, 0.01-0.03 part of an antioxidant stabilizing agent, 0.1-0.3 part of a vitamin additive and 12-16 parts of distilled water. The sweet-scented osmanthus tea beverage disclosed by the invention has the functions of clearing heat, removing toxicity, moisturizing the intestines, regulating the function of the stomach, regulating vital energy and nourishing the lungs, and is mellow in mouth feel, moderate in sour and sweet degrees, delicious, pleasant in delicate fragrance, high in nutrient value; in addition, the beverage does not precipitate and is good in color singleness; and besides, through the preparation method of the green health-preservation sweet-scented osmanthus tea beverage disclosed by the invention, sweet-scented osmanthus blooming seasonal restrictions are avoided, the green health-preservation sweet-scented osmanthus tea beverage can be processed in an all-weather manner, the raw materials are non-toxic, harmless and convenient to obtain, and the green health-preservation sweet-scented osmanthus tea beverage is low in cost and simple in technology and has higher use value and favorable application prospects.
Owner:和县赭洛山茶叶种植专业合作社

Enteromorpha polysaccharide having immunocompetence and preparation method thereof

The invention discloses an enteromorpha polysaccharide having immunocompetence and a preparation method thereof. The enteromorpha polysaccharide having immunocompetence is a polysaccharide HT-II. The enteromorpha polysaccharide having immunocompetence is a white floccule, can be well dissolved in water and dimethyl sulfoxide, has relative molecular weight of 96kDa, and mainly comprises glucose and mannose, wherein a ratio of rhamnoside to xylose to mannoside to glucose is 36: 20: 6: 38. The preparation method comprises the following steps of breaking down, carrying out extraction at a temperature of 90 DEG C by water, filtrating, merging the extract, concentrating, carrying out precipitation by ethanol, removing proteins, carrying out separation and purification, and carrying out freeze drying to obtain the purified enteromorpha polysaccharide having immunocompetence. The preparation method is simple, has stable performances, a low cost and a large medical value, can reduce cholesterol content and can improve immunity. The preparation method adopts extraction, protein removal and purification processes, and scientific experimental means, is a novel method for controlling enteromorpha, and provides a novel approach for controlling enteromorpha. The preparation method of the enteromorpha polysaccharide having immunocompetence develops enteromorpha medical values and purposes, controls environmental pollution, reduces a clean-up cost, improves economic benefits and is an ideal special preparation technology for enteromorpha control and integrated utilization.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA

Method and device for preparing bacterial cellulose composite material quickly on large scale

The invention relates to a method and device for preparing bacterial cellulose composite materials quickly on a large scale. The method comprises the steps as follows: (1) a bacterial cellulose producing strain is inoculated in liquid medium for propagation and then transferred into a biological reactor containing framework material for perturbation cultivation, so that bacterial cellulose composite material can be obtained; and (2) bacterial cellulose of the bacterial cellulose composite material is peeled off from the framework material or the cellulose composite material is soaked in NaOH solution to be washed. The device comprises a thermometer opening, an acid liquor and alkali liquor feeding opening, a handle, an air vent, a pH meter opening, a nutrition feeding opening, a rotating shaft, a fermentation tank, a motor, a rotating drum, a fermentation tank jacket, a circulating water inlet, a circulating water outlet, a nutrient fluid inlet, a nutrient fluid outlet and a condensed water outlet. The rotating drum is fixed on the rotating shaft in the fermentation tank. The device provided by the invention has the advantages of simplicity, convenience, detachable die, low cost, high production efficiency and high degree of automation; and the obtained bacterial cellulose composite material can be widely applied.
Owner:DONGHUA UNIV

Fermented abandoned vegetable feedstuff and preparation method thereof

InactiveCN101401616AAdaptableSuitable for a wide range of raw materialsFood processingAnimal feeding stuffBiotechnologyMicroorganism
The invention relates to fermentation waste vegetables feed and a preparation method. The fermentation waste vegetables feed consists of mixed raw materials and microorganism living bacteria liquid, wherein the mixed raw materials consist of vegetable waste materials, straw and corn powder; and each ton of the mixed raw materials are formed according to the weight ratio (w/w): 70 to 80 percent of waste vegetables, 20 to 25 percent of straw, and 4 to 6 percent of corn powder. Each ton of the mixed raw materials are added with 30 to 40 milliliters of the microorganism living bacteria liquid, and the content of living bacteria for the microorganism living bacteria liquid is between 1.0x10<9>cfu/mL and 1.0x10<11>cfu/mL. The fermentation waste vegetables feed and the preparation method have the advantages of reasonable formulation, scientific production method, wide applicable areas, simple operation, easy master, low cost, reasonable formula design, convenient production, suitability for broad peasant households and livestock breeding plants, safe and no toxity, and great adaptability to fermentation conditions, and can be used as feed of cows, sheep, geese, and so on, make full use of side products in agriculture industry, realize reasonable use of the resources, and provide new techniques for clean and sustainable agricultural industry.
Owner:北京阔利达生物技术开发有限公司 +1
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