45results about How to "Sustain life" patented technology

A system for lighting and heat dissipation of the present invention, comprises: an uni-body fixture adapted to increase a heat dissipation surface area; atleast a metal PCB housing configured to house a pluralities of LEDs with zero air-gaps; and atleast a heat pad capable of mounting the metal PCB housing at a first face, wherein a plurality of tapered and directional heat sink fins adapted longitudinally across a length of an upper face of the uni-body fixture for fastest heat dissipation from atleast a LED junctions to the atmosphere. A power supply unit having an independent heat sink surface area is adapted for heat dissipation to prevent heat contribution from the power supply unit to the light unit.

A trekking staff having a solid shaft portion and a hollow elongated chamber portion provides sufficient strength for allowing a user to dynamically load the trekking staff with a significant portion of the user's bodyweight with a minimal possibility of the shaft portion bending or failing. The hollow elongated chamber portion is detachably coupled to the solid shaft portion, and can include a direction finding device, a compass, a personal water purification system, a personal water collection system, a personal first aid kit, survival equipment, unidirectional or bidirectional communication equipment, a transmitter that transmits a homing signal and / or a positional information signal. A grip portion has a shape that conforms to a shape of the trekking staff and can include a strand of cord-like material. A light emitting device can be selectably controlled to emit either a constant light or a flashing light.

A plant receptacle comprised of several compatible portions which work in unison to readily supply water as needed to a plant for several days. An upper portion of designed plant container would act to hold soil and contain an absorptive matter portion, which would protrude from its base area, and would act to wick water from a connectable lower portion which would act to encapsulate a volume of water, and when mated, a gap of sort is thus formed for refilling the created water reservoir.

A device for holding objects that are attractive to the senses of animals, including a device for protecting a live catnip plant for use by a cat, the device in one form having a protective enclosure defining an interior to receive the object, such as the plant and plant supporting medium, the cage including a plurality of bars spaced apart to prevent or restrict access to the interior and direct contact with the object while allowing liquid, air, and light to pass through the bars to sustain the plant life and allowing the plant to grow through the bars to the exterior of the device for access by the cat. A watering cap in a top of the cage distributes water to the plant inside the enclosure. A cat toy, scratching surface, or platform or combination thereof may be incorporated into or associated with the enclosure.

The present invention describes chemical protective enclosure comprising a waterproof outer surface comprising an impermeable portion and an air diffusive portion, and further comprising a chemically adsorptive material substantially adjacent the air diffusive portion, wherein there is sufficient diffusion of breathable air into the chemical protective enclosure to sustain life.

The present invention the manufacture of a membrane for gas and liquid separations in which a polymer layer is applied directly to a tricot fabric instead of the conventional cloth or glass or metal substrate.

A wheeled can fits within the width and depth at the end of a bar. The can has a generally hollow container with an open top and a closed bottom. The top has a width and a depth to fit within a narrow and limited opening at the end of a bar. The can has two reinforcing ribs and at least one handle. The can tapers downwards for its length on both the width and the depth of the container. The bottom is generally narrower than the top. Near the bottom, two corners are recessed and curved to accept a wheel and include a slot for an axle. In use, the wheels fit within the width and depth established by the top and within the front and the back at the bottom. The wheels allow staff to remove the wheeled can from a confined space readily.

The invention relates to the technical field of freezing mediums, and discloses a preparation method of a serum-free freezing medium of human umbilical cord mesenchymal stem cells (hUC-MSCs). The serum-free freezing medium of the hUC-MSCs is prepared from the following components in percentage by volume: 20-80% of a basal culture medium, 5-30% of platelet lysate, 1-10% of instant-dissolving protein polysaccharide mother liquor, and 5-25% of trehalose mother liquor. According to the preparation method of the serum-free freezing medium of the hUC-MSCs, the platelet lysate and trehalose are usedfor replacing original animal serum and DMSO, and thus the preparation method has the advantages that the activity of the UC-MSCs can be maintained for a long time, the survival rate of the cells is significantly increased, and preparation is easy and safe; and the problems that the DMSO serves as a permeating protective agent and can penetrate into the cells quickly, the time that the cells are exposed in the harmful environment is shortened, however, the DMSO has the toxic effect on the cells at the room temperature, operation at the room temperature needs to be quick as soon as possible, FBS can increase the probability of animal pathogenic pollution, and consequently, uncertain factors are added for future using of the cells are solved.

The invention belongs to the field of cell biology and relates to a method and reagent for the separation and culture of neurons. The method and the reagent are used for solving problems in the prior art, the current in-vitro hippocampal neuron separation and culture methods are improved, and the problem that the proliferation and activity of hippocampal neurons during primary culture can not be maintained is solved. According to the method and the reagent, a relatively mature in-vitro hippocampal neuron culture method is established, the number of obtained nerve cells is sufficient, the growth status is relatively good, and a large number of high-activity hippocampal nerve cells can be separated from mammalian hippocampal tissue, so that the requirements for the primary culture of the hippocampal cells are met, and the demands on experiments of cell biology during neuroscience research can be met.

The present invention relates to the field of skin repair, and provides a skin external composition. The skin external composition comprises mesenchymal stem cell exosome lyophilized powder, wherein the lyophilized powder contains at least 25.0-35.0 ng / g of fibronectin, 5.0-14.5 ng / g of a vascular endothelial growth factor, 5.5-15.5 ng / g of a fibroblast growth factor, 5.0-10.0 ng / g of an epithelial cell growth factor, 25.0-30.0 ng / g of a hepatocyte growth factor, 7.5-17.5 ng / g of a transforming growth factor, 0.5-5 ng / g of 1-sphingosine phosphate, and 0.5-5 ng / g of ceramide-1-phosphoric acid.The skin external composition provided by the invention comprises the mesenchymal stem cell exosome lyophilized powder having a repairing effect on the skin, does not contain medium components or cellular components, avoids damage to the human body and the skin by adding a cytotoxic substance and avoids the potential hazard of skin allergies. The product is more stable after being prepared as lyophilized powder so as to exert biological activity for a longer period of time.

The invention belongs to the field of cell biology and relates to a method and reagent for the separation and culture of neurons. The method and the reagent are used for solving problems in the prior art, the current in-vitro hippocampal neuron separation and culture methods are improved, and the problem that the proliferation and activity of hippocampal neurons during primary culture can not be maintained is solved. According to the method and the reagent, a relatively mature in-vitro hippocampal neuron culture method is established, the number of obtained nerve cells is sufficient, the growth status is relatively good, and a large number of high-activity hippocampal nerve cells can be separated from mammalian hippocampal tissue, so that the requirements for the primary culture of the hippocampal cells are met, and the demands on experiments of cell biology during neuroscience research can be met.

The invention belongs to the field of cell biology and relates to a method and reagent for the separation and culture of neurons. The method and the reagent are used for solving problems in the prior art, the current in-vitro hippocampal neuron separation and culture methods are improved, and the problem that the proliferation and activity of hippocampal neurons during primary culture can not be maintained is solved. According to the method and the reagent, a relatively mature in-vitro hippocampal neuron culture method is established, the number of obtained nerve cells is sufficient, the growth status is relatively good, and a large number of high-activity hippocampal nerve cells can be separated from mammalian hippocampal tissue, so that the requirements for the primary culture of the hippocampal cells are met, and the demands on experiments of cell biology during neuroscience research can be met.

The invention belongs to the field of cell biology and relates to a hippocampal neuron separation and primary culture method and reagent. The existing hippocampal neuron separation and primary culture method is improved aiming at the problems of the prior art, and the problem that the proliferation property and the activity of primary culture of the hippocampal neuron cannot be kept is solved. A relatively mature method for culturing hippocampal neurons in vitro is established, the obtained nerve cells are sufficient, the growth condition is good, a number of hippocampal neurons with high activity can be separated from hippocampus of mammals, the requirement of primary hippocampus cell culture is met, and the requirement of cell biology experiments in neuroscience research is met.

The invention discloses a carp electrode transforation implantation brain stereo positioning method, which belongs to the technical field of brain stereo positioning. The invention mainly solves the problem of accurate positioning in electrode implantation into brain without craniotomy. The method comprises the following steps: drawing a straight line centrally from the carp mouth to the intersection point between the head and the first scale of the trunk, and drawing a straight line parallel to the central line based on the upper edges of two orbits respectively; drawing a connection line along the front edges of the two orbits; drawing a connection line along the rear edges of the two orbits; drawing a connection line between the joint moving joint points of the operculum bones on the two sides and the orbit bones; and drawing a line through the joint between the head and the first scale of the trunk and vertical to the central line. The skull surface is divided into 6 areas by the 7 lines, each area representing a coordinate system. The mouth, dorsal fin and operculum on the two sides clamp 4 points for fixing; in the positioning of a brain stereotaxic instrument, an electrode is implanted into the brain along a skull hole, and magnetic resonance imaging equipment navigates and corrects deviation so as to realize three-dimensional accurate positioning without craniotomy. The invention is applicable to the collection of brain wave of aquatic animals or control on biological behavior by conduction of electrical signals.

The invention relates to a method for prolonging storage time of edible fungus solid spawn. A solid culturing medium is prepared from, 20-25 g / L of trehalose, 2-6 g / L of yeast powder, 1-2 g / L of peptone, 1-2 g / L of monopotassium phosphate, 1.5-2 g / L of magnesium sulfate, 15-20 g / L of agar, 0.01-1.5 g / L of oxidized graphene, 0.1-0.85 g / L of N-butylpyridine hexafluorophosphate, 0.1-0.5 g / L of sodiumcarboxymethylcellulose, 0.2-0.8 g / L of polyacrylamide, 1.3-9.5 g / L of nano calcium carbonate, 0.2-0.8 g / L of laurinol sodium sulfonate, and the balance purified water. The pH value of the culturing medium is adjusted to 5-6. The method can prolong the storage time of the edible fungus solid spawn, hydroxyl groups and epoxy groups are randomly distributed on an oxidized graphene single sheet, in awater environment, partial hydroxyl groups and partial epoxy groups chemically react with hydroxymethyl cellulose, polyacrylamide and the nano calcium carbonate to form a compound even a polymer so as to reduce the activity of the culturing medium, and edible fungus can survive in a lower activity environment to prolong the storage time.

The present invention discloses fucoidin-enriched intestinal tract preserving type jelly and a preparation method thereof, relates to the technical field of food processing and fills a technical gap in the prior art that no intestinal tract preserving and diarrhea relieving functional jelly exists. The fucoidin-enriched intestinal tract preserving type jelly comprises the following raw materials:brown algae concentrated powder, trehalose, composite prebiotic powder, concentrated lemon juice, apple juice, jelly powder, sodium alginate, edible essence and pure water; the composite prebiotic powder is a combination of one or more of lactitol, inulin, oligofructose, oligoisomaltose or polydextrose; and the raw materials of the brown algae concentrated powder and sodium alginate are both natural polysaccharide products extracted from kelp or sargassum of brown algae and have good solubility. The intestinal tract preserving type jelly regulates intestinal tract and easily preserves health by consumption of snack foods, is tender, smooth and refreshing, and convenient to carry and eat, and has a good market prospect.

The invention discloses a crucian carp feed capable of preventing and treating a branchia hyperemia disease and a preparation method of the crucian carp feed, and belongs to the technical field of preparation of the crucian carp feed. The crucian carp feed is prepared from the following main raw materials of trash fish powder, corn protein powder, soybean flour, rice bran, yellow rapeseed meal, wheat bran powder, bentonite, radix isatidis, croton fruits, heartleaf houttuynia herbs, garlic, pumpkin seeds, chinaberry bark, common andrographis herbs, common cnidium fruits, radix sophorae flavescentis, Chinese galls, macleaya cordata, akebia stems, cyrtomium rhizomes, dioscorea zingiberensis, trehalose, propolis and calcium dihydrogen phosphate. According to the crucian carp feed disclosed by the invention, the bentonite is added, so that the production efficiency of a granulator can be effectively improved; Chinese herbal medicine substances having effects of resisting bacteria and killing insects and a natural antibacterial agent are added, so that pathogenic bacteria and pests of the branchia hyperemia disease can be effectively prevented and treated; effective components in Chinese herbal medicine substances are extracted by an ethanol backwashing method, so that the extraction rate is high. The crucian carp feed disclosed by the invention is rich in nutrition, can be used for effectively preventing and treating the branchia hyperemia disease of crucian carps and reducing the breeding risk of the crucian carps, and is worth popularization and application.

The invention discloses a placental tissue preservation liquid and a preparation method thereof. The placental tissue preservation liquid includes glucose injection, a serum replacement, gentamicin, amphotericin, trehalose and heparin lithium. The preparation method of the placental tissue preservation liquid includes adding the serum replacement, gentamicin, amphotericin B, magnesium ascorbyl phosphate hydrate, trehalose and heparin lithium into the glucose injection, wherein final concentrations of the ingredients are 0.5-2%, 800 U / mL, 15-30 ug / mL, 0.25-0.5 mg / mL, 0.6-3 mg / mL, and 20-40 U / mL. The placental tissue preservation liquid has clear composition and balanced nutrition, has no evident toxic and side effects on cells, can well maintain activity of in-vitro placental cells, and iseffective in preventing contamination of exogenous microorganisms introduced in the acquisition and transport steps.

An improved vehicle fuel system enables mixing of natural gas and a liquid fuel upstream of a combustion cylinder. According to some embodiments the system includes: a gas pressure vessel and associated gas pressurisation system to deliver natural gas at a desired pressure; a liquid fuel storage vessel and associated reservoir pump to deliver liquid fuel at a desired pressure; a mixing system configured to receive and mix the liquid fuel from the liquid fuel storage vessel and natural gas from the gas pressure vessel to produce a homogeneous fluid fuel mixture; and a common rail system connecting the mixing system to an engine that consumes the homogeneous fluid fuel.

The invention discloses a preparation method of a liquid woundplast based on stem cell culture supernatant. The liquid woundplast comprises a film-forming solution, an active substance and a solvent; the film-forming solution comprises 2-10 parts of chitosan hydrochloride, 0.5-5 part of polyvinylpyrrolidone, 0.05-5 part of hyaluronic acid and 0.05-5 part of chondroitin sulfate; the active substance is self-made stem cell culture supernatant freeze-dried powder; and the solvent is sterile water. The liquid woundplast belongs to the technical field of medical dressings. The liquid woundplast based on stem cell culture supernatant can quickly form a film and slowly release active substances, and has the functions of continuously and efficiently repairing wounds and inhibiting scar formation.

The invention belongs to the field of cell biology and relates to a method and reagent for the separation and culture of neurons. The method and the reagent are used for solving problems in the prior art, the current in-vitro hippocampal neuron separation and culture methods are improved, and the problem that the proliferation and activity of cortex nerve cells during primary culture can not be maintained is solved. According to the method and the reagent, a relatively mature in-vitro cortex nerve cell culture method is established, the number of obtained nerve cells is sufficient, the growth status is relatively good, and a large number of high-activity cortex nerve cells can be separated from mammalian hippocampal tissue, so that the requirements for the primary culture of the cortex nerve cells are met, and the demands on experiments of cell biology during neuroscience research can be met.

The invention provides a bacteriostasis composition and an application thereof. The composition comprises the following components in parts by weight of 2-6 parts of trehalose, 1-5 parts of tartaric acid, 0.3-0.7 part of a dandelion extract and 0.1-0.5 part of paeonol. Through careful selection of active components, the composition formula is optimized, and the components are in mutual cooperationand promotion to achieve synergy, so that the bacteriostasis composition can realize the purposes of wide and durable bacteriostasis, moisturizing and moistening, is used for preparing disinfection gelatin, and is convenient and swift, and good in disinfection effects. The technology is simple and convenient to use, can bring favorable economic benefits for enterprises, and has wide prospects.

The invention discloses a novel nutrient bakery food capable of replacing dinner, which is characterized by comprising the following components in percentage by weight: 20 to 40 percent of flour, 6 to 28 percent of isolated soy protein powder, 6 to 30 percent of fuctooligosaccharides, 6 to 30 percent of sorbitol, 0.6 to 1.2 percent of soda, and 5 to 20 percent of fermented cream. The novel nutrient bakery food can provide protein nutrients needed by daily body metabolism, and is easy to be digested and absorbed by human body and can balance dietary pattern; and by using fructooligosaccharides and sorbitol instead of sugar and grease highly-contained in the bakery food, the novel nutrient bakery food has low energy and sweetness, moderate texture, softness and crispness, and good quality, taste and chewiness. Moreover, the novel nutrient bakery food is convenient, nutrient, sanitary, economic and instant, not only solves the problem that certain people suffer nutritional deficiencies due to having no time to eat, but also eliminates the worry about obesity of people.

The invention discloses a whitening and freckle-removing cosmetic containing negundo chastetree fruit stem cells. The whitening and freckle-removing cosmetic mainly consists of the following components in percentages by weight: 5% to 30% of negundo chastetree fruit stem cells, 2% to 15% of a ginseng extracting solution, 2% to 15% of a prepared rehmannia root extracting solution and 2% to 15% of a lemon extracting solution. The negundo chastetree fruit stem cells are selected and used as a main raw material, the cells are activated, free radicals are scavenged, the generation of chloasma and butterfly rash is blocked, skin melanin is eliminated, whelk is reduced and removed, the skin is white and beautified, the negundo chastetree fruit stem cells are of high compatibility with human bodies and are more easily absorbed by the human bodies, the cosmetic has a good promotion effect for the growth of skin cells, the metabolism of the cells can be quickened, the activity of skin cells is strengthened, and moreover, the prepared radix rehmanniae extract, the ginseng extract and the lemon extract with the effects of whitening and activating skin, promoting metabolism and strengthening skin cell activity are added, and generate a synergistic effect with the negundo chastetree fruit stem cells, so that the skin type can be obviously improved, the skin generation capacity is improved, and the whitening and freckle-removing effects are obvious.

The invention relates to fullerene freeze-dried powder with repairing and anti-aging effects, which is characterized by being prepared from one or more of the following components in percentage by mass: 0.04 to 0.1 percent of fullerene, 3.0 to 5.0 percent of mannitol, 0.1 to 0.2 percent of trehalose, 0.2 to 0.3 percent of glucose, 0.1 to 1.0 percent of histidine, 0.2 to 1.0 percent of arginine, 0.2 to 1.0 percent of glycine, 0.4 to 0.5 percent of polyglutamic acid, 0.1 to 0.2 percent of hyaluronic acid, 1.0 to 2.0 percent of pullulan, 1.0 to 3.5 percent of hydrolyzed collagen and the balance of water. And 90.04 to 91.06% of water. A protective agent and a transdermal absorption promoting agent are added into the freeze-dried powder, so that the fullerene is effectively protected from denaturation and inactivation, and the fullerene can really exert the functions of resisting oxidation, promoting collagen hyperplasia, assisting wound healing and the like.

The invention discloses a feed for pregnant sows at expected date of confinement. The feed consists of the following raw materials in parts by weight: 61-68 parts of corn flour, 6-14 parts of wheat bran, 9-15 parts of rice bran, 1-2.5 parts of meat and bone meal, 4-8 parts of malt roots, 0.6-1.4 parts of sodium bicarbonate, 0.1-0.4 part of calcium formate, 0.1-1 part of lysine, 0.02-0.09 part of phenylalanine, 0.02-0.09 part of glycine, 0.15-0.45 part of table salt, 0.01-0.05 part of camellia oil, 0.006-0.012 part of a zinc-element nutritive additive and 0.01-0.1 part of an antibacterial agent. According to the nutrient and physiological characteristics of the pregnant sows at the expected date of confinement, a scientific formula of the feed is adopted, so that the requirements for maintaining the life, increasing the weight of the sows and enabling foetuses to grow can be met, the problems of difficult labor, prolonged labor, postpartum triad and the like of the sows can be solved, the litter size of the sows is increased, the diarrhoea rate and the mortality rate of piglets are reduced, and besides, the feed has good antibacterial effects.