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32 results about "Obligate" patented technology

As an adjective, obligate means "by necessity" (antonym facultative) and is used mainly in biology in phrases such as...

Novel microorganism flora mixture and mixed nutrient medium thereof

The invention relates to a novel microorganism flora mixture and a mixed nutrient medium thereof. The nutrient medium is filter liquor which is prepared by taking plant powder, mineral composition, animal powder, organic acid and the like as raw materials, adding sewage or comprehensive sewage in cities to be processed, mixing, fermenting and filtering. The microorganism flora mixture is a microorganism preparation which is prepared by the following steps: respectively selecting fusarium oxysporum, aspergillus fumigatus, sphaerotilus, vorticella microstoma, photosynthetic bacteria, methanebacteria, desulphovibrio, nitrobacterium, pseudomonas fluorescens and other bacterial strains from obligate aerobes group, anaerobic bacteria group and facultative aerobe group preferentially, then expanding and cultivating, inoculating into the above mixed nutrient medium, mixing, cultivating and domesticating for 15-30 days at the temperature of 20-45 DEG C. The mixed nutrient medium in the invention can cultivate, propagate and domesticate flora mixture with the combination advantages of flora; the flora has stable integrity, no easy variation and strong adaptability, and the invention breaks through the technical bottlenecks of easy degeneracy of microorganism flora, easy decrease of biological activity and slow proliferation and expansion.
Owner:河南亚神环保科技有限公司

Efficient chlorobenzene degradation obligate bacterium, composite microbial agent and preparation method and application of composite microbial agent

The invention relates to an efficient chlorobenzene degradation obligate bacterium, a composite microbial agent and a preparation method and application of the composite microbial agent, and belongs to the technical field of waste gas bio-purification. The efficient chlorobenzene degradation obligate bacterium is entitled a biological collection number: CGMCC No. 10053. The preparation method of the composite microbial agent comprises: mixing the efficient chlorobenzene degradation obligate bacterium with mixed bacteria at a mass ratio of (0.5-1):1 to obtain a composite strain, and inoculating and fermenting the composite strain until the viable count of fermentation broth ranges from 1.0 * 1010 cuf/mL to 1.0 * 1011 cfu/mL; mixing the fermentation broth and a solid carrier material at a ratio by weight of 1:(1-10) to obtain a composite microbial agent; the mixed bacteria are domesticated from activated sludge in an aeration tank of a wastewater treatment station of a petrochemical plant. The preparation method is simple and easy to perform; the composite microbial agent prepared by using the method is directly applicable to the startup of a waste gas bio-treatment system, is effective for degrading chlorobenzene waste gas and is easy to store and convenient to carry.
Owner:YANCHENG INST OF TECH

Obligate attractant for controlling oriental fruit moths and control method

ActiveCN108719282APromote reductionGuarantee the effect of prevention and controlBiocidePest attractantsSolubilityEcological environment
The invention belongs to the technical field of pest attractants, and provides an obligate attractant for controlling oriental fruit moths and a control method. The effective components are sugar acetate and alcohol liquid and a host plant volatile matter which are mixed, wherein in the sugar acetate and alcohol liquid, the ratio of soft sugar to glacial acetic acid to absolute ethyl alcohol to water is 3 g:1 ml:3 ml:80 ml; in the host plant volatile matter, the ratio of nonanal to cis-3-hexenolacetate to 6-methyl-5-heptene-2-ketone to (Z)-beta-ocimene is 14:100:1:86, and the solubility of solvent n-hexane used for the host plant volatile matter is 1 mu g/mu l; the sugar acetate and alcohol liquid and the host plant volatile matter are mixed according to the volume ratio of 1:1. Through action of long-distance attraction of a food attractant and near-distance attraction of the oviposition attractant, not only is the control effect ensured, but also chemical pesticide reduction is propelled; green prevention and control product and technology popularization is accelerated; the obligate attractant and the method are beneficial to protecting the ecological environment and ensuring thefood safety and ecological safety and are beneficial to sustainable development of agriculture.
Owner:山西农业大学植物保护学院(山西省农业科学院植物保护研究所)

Obligate halophile fast culture method

The invention discloses an obligate halophile fast culture method. A basic culture medium contains MnSO4.7H2O, ZnSO4.7H2O, Na2MoO4, AlK(SO4)2, H2BO4, CaCl2.2H2O and CoCl2.6H2O; an enriching culture medium contains beef extracts, peptone, NaCl, KH2PO4, agaragar and distilled water, and the pH value is 7.2 to 7.4. The phosphate buffer solution contains NaCl, KCl, Na2HPO4 and KH2PO4, and the pH valueis 7.2 to 7.4. The sludge obtained from a secondary sedimentation tank in a sewage plant is subjected to aerobic culture in the basic culture medium; the cultured sludge is subjected to enrichment culture by the enriching culture medium in a flat plate coating mode, and is put into a biomedical culture box to be cultured for 72h; the enriching culture medium is taken; surface layer sludge is scraped and taken; the phosphate buffer solution is used for repeatedly flushing; then centrifugation is performed by a high-speed centrifugation machine; supernatant fluid is removed; bottom layer sludgeis taken; the sludge is high-concentration halophilic sludge. The high-concentration halophilic sludge and the ordinary sludge are taken and proportionally added into a culture medium to be cultured.The method is used for fast culturing obligate halophile, so that the practical problems of biological treatment of high-salt waste water is solved.
Owner:SHANGHAI LEZE ENVIRONMENTAL ENG

Treatment for cancer

The present invention provides a method of treatment for cancer in a subject comprising the administration of a prodrug, wherein the subject is colonised with an obligate anaerobic microorganism capable of expressing a polypeptide having nitroreductase activity, wherein the polypeptide exhibits preferential reduction of CB1954 to a 4-hydroxylamine (4HX) derivative instead of a 2-hydroxylamine derivative; and is capable of reducing CB1954 to the 4HX derivative with a Km of less than 30 micromolar. The present invention further provides an isolated polypeptide, nucleic acids encoding said polypeptide, vectors and host cells comprising said nucleic acids and vectors and uses of the above in treating solid tumours.
Owner:UNIVERSITY OF NOTTINGHAM

Method for prolonging in vitro preservation duration of blumeriagraminisf .sp .tritici

ActiveCN108641962AChanging the Resurrection Inoculation MethodLight in massMicroorganism based processesMicroorganism preservationSporeConidiation
The invention discloses a method for prolonging in vitro preservation duration of blumeriagraminisf .sp .tritici, and belongs to the technical field of application of preservation methods of plant pathogen obligate parasites. The blumeriagraminisf .sp .tritici, which belongs to plant pathogen obligate parasites, can survive with the existing of wheat leaf hosts. A method, discovered by the inventor, can achieve in vitro preservation of the blumeriagraminisf .sp .tritici without the assistance of hosts, however, the method has the shortcomings that the method is short in preservation duration,the method needs to collect a great amount of conidia and the like; on the basis, a strain resurrection inoculation mode is adopted, and blumeriagraminisf .sp .tritici spores undergo in vitro preservation through suspension of a perfluoroalkane solution, so that in vitro preservation duration of the blumeriagraminisf .sp .tritici spores is improved by six times in comparison with that of an original method, namely the in vitro preservation duration is prolonged to six years from original one year, and the mass of the required spores is reduced by four times. With the application of the methodprovided by the invention, shortcomings of existing methods can be overcome; and smooth implementation of related researches on blumeriagraminisf .sp .tritici pathogenic bacteria can be fully guaranteed.
Owner:INST OF PLANT PROTECTION & SOIL FERTILIZER HUBEI ACAD OF AGRI SCI

Liquid fermentation tank inoculation device of obligate anaerobes, and inoculation method

The invention relates to a liquid fermentation tank inoculation device of obligate anaerobes, and an inoculation method, and more specifically relates to a gas flowing pipeline. The liquid fermentation tank inoculation device of obligate anaerobes comprises 1, a double-way plug provided with two through holes; 2, a flow inlet pipe which is designed to pass through one of the two through holes, wherein the external wall of the flow inlet pipe is connected with the through hole through gas tightness connection, the flow inlet pipe is provided with a flow inlet pipe main valve; and 3, a flow outlet pipe designed to pass through the other through hole, wherein the external wall of the flow outlet pipe is connected with the through hole through gas tightness connection, and the flow outlet pipeis provided with a flow outlet pipe main valve; the flow inlet pipe is provided with a branch pipe in front of the flow inlet pipe main valve, the branch pipe is provided with a flow inlet pipe blow-down valve; the flow outlet pipe main valve is provided with a branch pipe in front of the flow outlet main valve, and the branch pipe is provided with a flow outlet pipe blow-down valve. The liquid fermentation tank inoculation device contains the gas flowing pipeline.
Owner:吉态来博(北京)生物科技发展有限公司
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