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52 results about "Osmoregulation" patented technology

Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated. Osmotic pressure is a measure of the tendency of water to move into one solution from another by osmosis. The higher the osmotic pressure of a solution, the more water tends to move into it. Pressure must be exerted on the hypertonic side of a selectively permeable membrane to prevent diffusion of water by osmosis from the side containing pure water.

Water circulation system and method for breeding marine fishes inland

ActiveCN101933489AActivates and strengthens osmoregulatory mechanismsImprove adaptabilityClimate change adaptationPisciculture and aquariaJuvenile fishFresh water organism
The invention relates to a water circulation system and a method for breeding marine fishes inland, and mainly solves the technical problems of complex process, large investment, high operating cost, large limitation of breeding varieties, low survival rate, slow growth and the like in the process of breeding the marine fishes in fresh water or low salinity salt water at present. A technical scheme comprises the following steps of: a, establishing the water circulation system; b, performing domestication on juvenile fishes of the marine fishes in the low salinity salt water in a gradient mode, namely breeding the juvenile fishes which are bred in the seawater in the brackish water temporarily, formulating a domestication strategy of slowing salinity gradually, and performing domesticationon the juvenile fishes of the marine fishes through three gradients, namely the brackish water phase, the low salinity phase and the ultra-low salinity phase; c, adding a physiological salt preparation, namely adding metal ions which play a key role in osmoregulation into the water or a feed; and d, managing the breeding, namely providing a preference temperature, illumination intensity and a daily illumination period. The water circulation system and the method are mainly used for breeding the marine fishes inland.
Owner:SUZHOU FISHSEEDS BIOLOGICAL TECH CO LTD

Vinorelbine emulsion and its preparing method

The invention relates to a vinorelbine emulsion which comprises (by weight ratio) vinorelbine 0.001-10%, emulsifying agent 0.1-20%, triglyceride compounds 0.1-30%, osmoregulation agent 0.1-10%, stabilizing agent 0.05-5%, anti-oxidant 0.01-5%, and balancing water for injection. The invention has the advantages of increased medicament stability and improved curative effect.
Owner:李晓祥

Alficetin in situ forming eye gel

The invention discloses a chloramphenicol eye ophthalmic gel and a preparation method thereof; every 1000ml of the chloramphenicol eye ophthalmic gel contains 5-50g of chloramphenicol, 0.05-1g of preservative, 1.0-7.5g of osmoregulation agent, 30-150g of gel stroma, and rest amount of acid-base buffering agent and water used for injection. Due to the optimization and technique improvement of the auxiliary materials, the medicine dosage forms of the chloramphenicol are enriched, detention time of the medicine in the eyes are greatly prolonged, and the medicine can exert the drug effect, thus not only improving healing efficacy, but also reducing the times and days for taking medicine, decreasing the part side effect of the medicine and the untoward effect caused by the whole body absorption, as well as having no pessimal stimulation response.
Owner:肖正连

Kandelia candel (L.) druce ERF (ethylene-responsive element binding factor) transcription factor as well as encoding gene, expression vector and application thereof

The invention discloses a kandelia candel (L.) druce ERF (ethylene-responsive element binding factor) transcription factor as well as an encoding gene, an expression vector and application thereof. In the invention, the nucleic acid sequence of the ERF transcription factor cDNA separated from mangrove plant kandelia candel (L.) druce is as shown in SEQ ID No.1. After the ERF transcription factor cDNA is transformed to tobacco, the contents of osmoregulation substances (such as proline) of a transgenic plant are obviously increased, and the salt tolerance of the transgenic plant is obviously improved. An experimental result indicates that the ERF transcription factor can response an adverse signal, thereby effectively improving environmental stress resistances of the plant such as salt andbase resistance, diseases and pets resistance and the like.
Owner:THE INST OF BIOTECHNOLOGY OF THE CHINESE ACAD OF AGRI SCI

Cornea protecting composition as well as preparation method and application thereof

ActiveCN105749360AEasy to spreadEasy to staySurgeryCorneal epithelium layerCold storage
The invention discloses cornea protecting composition as well as a preparation method and an application thereof. Main components of the composition comprise a solid moisturizing and lubricating component, a liquid moisturizing and lubricating component, an osmoregulation component and water. The composition adopts double moisturizing and lubricating components including the solid moisturizing and lubricating component and the liquid moisturizing and lubricating component, so that the composition can be better spread and remained on the corneal surface and better protect the corneal epithelial layer, and damage caused by dryness to the cornea can be avoided. For a preparation process of the composition, a solution is not required to be heated to boiling, preparation operation is simpler, a preparation cycle is shorter than 48 h, cold storage is not needed during transportation and storage, and the transportation cost and use cost are reduced.
Owner:SAIKE SAISI BIOTECH CO LTD

After-harvest plant preservative containing silktree albizia bark extract and used for citrus

The invention relates to the technical field of after-harvest preservation of citrus and particularly relates to an after-harvest plant preservative containing a silktree albizia bark extract and usedfor citrus. The preservative comprises the following components: 6.25-50 parts of the silktree albizia bark extract, 0.5-2.0 parts of a film former, 0.5-1.0 part of a cosolvent, 0.5-1.5 parts of a preservative, 0.5-1.0 part of a pH value regulating reagent, 0.5-2.0 parts of an osmoregulation agent, 0.5-3.0 parts of an antioxidant and 1000 parts of water. The novel after-harvest preservative for citrus is prepared by taking the natural Chinese herbal medicine silktree albizia bark extract as the main effective component, the advantage of obvious bacteriostatic effects of the silktree albizia bark extract is fully utilized, and other auxiliary components are reasonably and scientifically blended, so the preservative has the characteristics of good preservation effects, no chemical residue,no health hazard to a human body, no pollution to the environment and the like and has good application values.
Owner:JIANGXI AGRICULTURAL UNIVERSITY

Nano compound eye-drop containing piptide-like medicine and preparing method

The invention relates to nm compounding eye drip that contains peptide drug and the manufacture method. It adopts beta-carotene covering calcium phosphate nm particle as carrier to transmit peptide drug. The eye drip includes calcium phosphate nm particle, beta-carotene, peptide drug, distilled water, suitable osmoregulation agent, antiseptic and the pH value is between 6.5 and 7.5. The method includes: making calcium phosphate nm particle, covering beta-carotene over calcium phosphate nm particle, compounding eye drip with peptide drug. The advantages of the invention are that it changes the administrating method of the peptide drug; reducing the risk and side-effect; improving drug chroma in aqueous humor, etc.
Owner:南京凯瑞尔纳米生物技术有限公司

Dry eye symptom moisturizing spray and preparation method thereof

The present invention provides a dry eye symptom moisturizing spray. The moisturizing spray mainly comprises a water-supplementing and moisturizing ingredient, an inflammation inhibitor, an ulcer repairing component, an osmotic adjusting agent and a pH buffering agent. Every 100 parts by weight of the moisturizing spray comprises the following components in parts by weight: 0.01 part-0.1 part of the water-supplementing and moisturizing ingredient, 0.1 part-0.3 part of the inflammation inhibitor, 0.15 part-0.3 part of the ulcer repairing component, 0.6 part-0.9 part of the osmotic adjusting agent and the balance ultrapure water, and the pH buffering agent is used to adjust pH value into 7.0-7.5. The present invention also provides a preparation method of the moisturizing spray. The moisturizing spray is specially used for relieving and treating related symptoms of dry eye syndromes, a special atomized moisturizing device generates micron-sized atomized droplets to warm and moist eyeballparts, wherein the water-supplementing and moisturizing component can maintain moisture for a long time and relieve the dry eye syndromes of eyeballs, and the dry eye symptom moisturizing spray is safe and non-toxic in ingredients, low in irritation and relatively high in user compliance.
Owner:WENZHOU MEDICAL UNIV

Method for adopting lanthanum to enhance acid rain resistance of garbage compost matrix Festuca elata turf

The invention discloses a method for adopting lanthanum to enhance the acid rain resistance of garbage compost matrix Festuca elata turf. The method comprises the following steps of: adding 60g of garbage compost into a plastic cup; selecting full Festuca elata seeds; weighing 0.5g of the Festuca elata seeds and sowing in the cup; culturing in a laboratory at room temperature; 17 days later, applying the rare earth lanthanum with a concentration of 0.2-0.4g.kg<-1> and continuously culturing for 10 days, wherein the temperature of the laboratory in the culturing period is 23-30 DEG C and the relative humidity is 35-70%; starting to spray acid rain, wherein 12ml of acid rain is sprayed one time, the acid rain is sprayed one time per 5 days and the acid rain is totally sprayed 5 times; and measuring all indexes after treating. A test result of the method provided by the invention shows that under a condition of acid rain stress, the rare earth lanthanum can be used for relieving the harmof the acid rain stress to the Festuca elata, increasing the intracellular osmoregulation matters of the Festuca elata, restraining the peroxidation of cell membrane lipids, maintaining the stabilityof cell membranes, increasing the content of chlorophyll and enhancing the photosynthesis of the Festuca elata to accumulate photosynthetic products, so that the stress resistance of the Festuca elata is increased.
Owner:TIANJIN NORMAL UNIVERSITY
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