40 results about "Growth stimulant" patented technology

The present disclosure relates to bioactive biomatrix compositions. In one embodiment, the biomatrix composition is derived from human amniotic membrane. This biomatrix is ​​called HuBiogelTM. The HuBiogel™ composition precisely mimics the composition of naturally occurring basement membranes and is capable of supporting a variety of cell types in vitro and in vivo. The disclosed HuBiogel™ biomatrix contains laminin, collagen I, and collagen IV in one embodiment, and may further contain any combination of the following: nestin, tenascin, fibronectin, and proteoglycans . The biomatrix composition is substantially free of endogenous growth factors and proteolytic enzymes. The present invention also describes two-dimensional and three-dimensional culture systems and physiological/pathological model systems using HuBiogel™ compositions. HuBiogel(TM) compositions may be modified to contain desired growth stimulators, such as growth factors, polypeptides and small organic molecules, and may also contain growth inhibitory and/or therapeutic agents.

A solution phase synthetic method for preparing basic tripeptides of the formula Gly-Xaa-Gly-X which have in various biological properties such as stimulating protein production when used as additives in a bioreactor. The basic tripeptides of the invention may be produced on gram or kilogram scale.

The invention relates to a novel biological fertiliser, a method for obtaining same and the use thereof as a plant growth stimulator, said fertiliser comprising a pure culture of strain C3 of Pantie dispersal, a pure culture of strain M3 of Azospirillum brasilense and indole-3 acetic acid, all of which are immobilised in a single solid medium acting as a slow release system. The method includes the following main steps: culture of the microorganisms; immobilisation of the cells, nutrients and other substances in the medium; and a single fluid bed drying step which enables lower temperatures to be used and lower moisture contents to be obtained, thereby providing the fertiliser with greater stability. The action of the fertiliser commences upon contact with the plant.

A method of stimulating growth and environmental stress resistance in a target plant is disclosed. An illustrative embodiment of the method includes providing a homeopathic growth stimulant, providing a dilution medium, diluting the homeopathic growth stimulant in the dilution medium to a level that molecules of the homeopathic growth stimulant are cloistered within a group of dilution medium molecules and are thereby rendered nontoxic and yet detectable to the plant to signal activation of defenses in the plant, providing a delivery medium comprising plant nutrients, combining the dilution medium and dissolved homeopathic growth stimulant with the delivery medium to form a plant enhancement substance and placing the plant enhancement substance in proximity to and into constituent communication with a target plant. A substance for promoting growth in a target plant is also disclosed.

An HIV (human immunodeficiency virus) immune purifier for the field of medical science is characterized in that a separator capable of separating plasma and blood cells is prepared, hybrid tumor macrophage cell lines retaining original macrophage properties and capable of infinitely growing are prepared by the aid of a hybridoma technique, CD4+T cell lines are built by exogenous gene transfection, specific molecular antibodies on surfaces of the CD4+T cell lines serve as growth stimulants for amplification, the prepared cell lines are distributed in a cell freezing medium, a container made of high-biocompatibility materials wraps the cell freezing medium to form the purifier, cell concentration reaches 80%, the purifier is sealed, cells are frozen and preserved for standby application in -196 DEG C liquid nitrogen for a long time, the macrophage cell lines and the CD4+T cell lines function in adsorbing HIV, the prepared purifier is combined with the separator and a control procedure in use, blood in extracorporeal circulation is divided into the plasma and the blood cells by the separator, the HIV in the plasma is filtered by the purifier, and then the plasma is converged with the blood cells and returned.

An AIDS plasma purifier used in the medical field is characterized in that a separator capable of separating plasma from hemocyte is manufactured, a hybridoma macrophage cell line which keeps the characteristic of original macrophage and can grow infinitely is prepared through the hybridoma technique, a CD4+T cell line is constructed through foreign gene transfection, a specific molecular antibody on the surface of the CD4+T cell line serves as a growth stimulant for amplification, the prepared cell line is mixed with agar gel, the mixture is wrapped by a high-biocompatibility material to form the purifier, the gel is distributed in layers from top to bottom with the agarose concentration gradually increased, the hybridoma macrophage cell line and the CD4+T cell line fixed into the gel have the HIV adsorption function, and the 1% agar gel with the aperture being 5 nm also has the function of intercepting 100-120 nm HIV; the manufactured purifier is combined with the separator and a control program in use, blood in extracorporeal circulation is separated into plasma and hemocyte by the separator, the plasma is combined with the hemocyte after HIV is filtered away by the purifier, and then blood is transfused back.

The invention relates to the technical field of agriculture and in particular provides a transplanting method for euonymus bungeanus. The transplanting method comprises the steps of reserving a soil clod according to the ground diameter of an euonymus bungeanus big tree, cutting the root along the edge of the reserved soil clod, and treating the root-cutting portion with a rooting agent which is a mixture of heteroauxin and ABT rooting powder; cutting a main root, digging out the soil clod, treating the cutting surface of the main root with a root protecting agent, performing shading and fixing on the soil clod and transporting the drawn-out euonymus bungeanus big tree to a transplanting destination, wherein the root protecting agent is a mixture of naphthylacetic acid and gibberellins; treating the soil clod and a planting pit with a growth stimulant and planting the euonymus bungeanus big tree in the planting pit, wherein the growth stimulant is a mixture of heteroauxin and naphthylacetic acid. Through scientific transplanting procedures and reasonable post-transplanting maintenance, the method increases the transplanting survival rate of euonymus bungeanus big trees to 93%, and thus has a wide application prospect.

The invention relates to a biostimulant, and particularly relates to a humic acid biostimulant and a preparation method thereof. The humic acid biostimulant is a humic acid growth stimulant prepared by the oxydative degradation of brown coal. The technical problem to be solved is to provide a method for directly preparing the humic acid biostimulant by using low-rank coal and the humic acid biostimulant obtained by using the method. According to the technical scheme, the preparation method of the humic acid biostimulant comprises the following steps: crushing the brown coal, mixing and reacting the brown coal powder with concentrated sulfuric acid and hydrogen peroxide in the presence of a Ag-Pt catalyst, then adding water and sodium sulfide for refluxing, and concentrating and drying the backflow water phase so as to obtain the humic acid biostimulant, wherein the content of organic matters in the brown coal is not lower than 70%, and the particle size of the brown coal powder is no less than 120 meshes; the mass ratio of the brown coal powder to concentrated sulfuric acid to hydrogen peroxide is 100: (2-3): (180-240).

The invention discloses a box structure for tree planting.The box structure comprises a box-shaped containing box which is further provided with a containing cavity used for containing a growth stimulant, the growth stimulant is used for stimulating growth of tree roots, and the cavity wall of the containing cavity is further provided with a channel used for releasing the growth stimulant.The box structure for tree planting is simple in structure, easy and convenient to use and beneficial for maintaining ground surface morphology in municipal engineering, retransplantation of trees in the box structure can be conveniently achieved, and meanwhile the effect of inducing growth of the tree roots is achieved.

An AIDS immune purifier used in the medical field is characterized in that a separator capable of separating hemocyte from plasma is manufactured, HIVgp120 and gp41 antibodies are prepared and combined with HIVgp120 and gp41 antibodies of anti-goat Ig, a CD4+T cell line is constructed through foreign gene transfection, a specific molecular antibody on the surface of the CD4+T cell line serves as a growth stimulant for amplification, the preparations are mixed with agar gel, the mixture is wrapped by a high-biocompatibility material to form the purifier, the gel is distributed in layers from top to bottom with antibody titer gradually reduced and the agarose concentration gradually increased, and the gp120 and gp41 antibodies combined with anti-goat Ig and not combined with anti-goat Ig and the CD4+T cell line are fixed in the agar gel to achieve the HIV adsorption function; the manufactured purifier is combined with the separator and a control program in use, blood in extracorporeal circulation is separated into plasma and hemocyte by the separator, the plasma is combined with the hemocyte after HIV is filtered away by the purifier, and then blood is transfused back.

The invention discloses a method for testing high-pollution background fungi by separation and purification. A double-sided forward fungi purification and separation culture method is adopted, according to a double-sided forward separation method, two culture media are arranged in one culture dish, air is taken as a separation medium, aerial hyphae are induced to grow towards a target culture layer through allelochemicals, or spores are induced to be produced through a feeding layer, and fungi cysts are used for cracking and ejecting spores to separate and purify single spores. The biologicalsafety can be improved, the experiment time can be shortened, the experiment efficiency can be improved, and used consumables and added toxic substances can be reduced; the method has high flexibility, one or more inhibitors or growth stimulants can be added to any culture layer, growth of the fungi can be interfered through the allelochemicals serving as signals, and the purpose of separation andpurification is achieved; the phage pollution of industrial fungi can be well separated, and a bacterial strain polluted by the phage is favorably purified; and the method is simple, convenient and easy to popularize, and has good fungus detection adaptability.