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121
results.
Updated on
27/04/2025 [07:21:00]
Results 75 to 100 of 121
Absstract of: CN119326069A
The invention relates to application of microalgae polysaccharide in improving intestinal immunity of dairy cows, belongs to the technical field of feeds, and the microalgae polysaccharide prepared by the invention is used for improving the secretion volume of intestinal mucosa to lgA, lgG and lgM. Kelp buds, dunaliella salina and haematococcus pluvialis are compounded and mixed according to a specific proportion, trypsin and nattokinase are adopted for pre-enzymolysis within a certain period of time, then hemicellulase and pectinase are adopted for enzymolysis within a certain period of time, and the enzymolysis effect is good. The obtained microalgae polysaccharide product has an excellent effect of promoting the intestinal tract of the dairy cow to secrete immune globulin, the content of IgA, IgG and IgM in the intestinal tract of the dairy cow can be greatly increased, the immunity of the intestinal tract of the dairy cow is further improved, and the microalgae polysaccharide product can be used as a substitute component for efficiently improving the immune function of the intestinal tract of the dairy cow.
Absstract of: CN119338519A
The present invention addresses the problem of providing a reward imparting system, a reward imparting device, a computer-readable medium, and a reward imparting method, whereby it is possible to increase the number of people participating in the cultivation of algae. In order to solve the problem, a reward imparting system according to an embodiment of the present invention is provided with a cultivation device for cultivating microalgae, a measurement device for measuring a physical quantity indicating the degree of cultivation of the microalgae, and a reward imparting device. A reward assigning device is provided with a reward determining unit and an assigning unit. The reward determination unit uses the physical quantity to determine the number of rewards corresponding to the carbon dioxide absorption amount of the microalgae or the degree of cultivation. The assigning unit assigns the number of rewards to the owner of the cultivation device.
Absstract of: CN119331709A
The invention relates to the field of microalgae culture photobioreactors, in particular to a manufacturing device and a manufacturing method of a soft plate type photobioreactor runner. According to the manufacturing device, two (or one folded) photobioreactor sheets with baffle structures are automatically aligned and continuously welded with rib plates of any length in a large scale to form a soft plate type photobioreactor runner, and then the soft plate type photobioreactor is manufactured. The invention relates to a flexible plate type photobioreactor, and aims to solve the problems that in the manufacturing process of a flexible plate type photobioreactor with an internal baffle structure, two (or one folded) sheet rib plates of a photobioreactor with a baffle structure are difficult to weld, the production efficiency is low, the manufacturing cost is too high, the quality is difficult to guarantee, and only a small-size flexible plate type photobioreactor can be manufactured.
Absstract of: CN119343459A
The invention relates to a method for processing a carboxylic acid-containing separation product of a separation process, in particular a process for separating fish oil and/or algal oil, wherein polyunsaturated hydrocarbons are produced at least from a portion of the carboxylic acid by means of a microorganism. Suitably, the polyunsaturated hydrocarbons are or include omega-3 fatty acids and/or omega-6 fatty acids, preferably EPA, DHA and/or DPA. In one embodiment of the invention, the microorganisms are or include yeasts, fungi, bacteria and/or in particular marine protists, preferably microalgae. The yeast is preferably a Yarrowia lipolytica-based yeast, and the marine protists are preferably microalgae of Schizochytrium limacinum, preferably Schizochytrium limacinum SR21. The invention also relates to a biomass containing polyunsaturated hydrocarbons produced by microorganisms.
Absstract of: CN119331862A
The invention discloses a preparation method and application of algicidal bacterial powder of pseudomonas, and relates to the technical field of microorganisms. Pseudomonas HB01 is separated from bottom mud in a cyanobacterial bloom environment, and the pseudomonas HB01 is applied to treatment of cyanobacterial bloom in lakes by utilizing the characteristic that bacterial liquid containing the pseudomonas HB01 has good algae-lysing activity. The separated pseudomonas HB01 has a good algae-lysing effect on microcystis aeruginosa, the removal rate within 72 hours can reach 85% or above, and the pseudomonas HB01 also has good performance on other common water bloom algae.
Absstract of: CN222362091U
The utility model discloses a microalgae biomass rapid cracking reactor, relates to the technical field of microalgae biomass cracking, and provides the following scheme that the microalgae biomass rapid cracking reactor comprises a bracket and a reaction mechanism arranged above the bracket, and the reaction mechanism comprises a blanking assembly and a mixing assembly; the discharging assembly comprises a discharging port, a discharging valve, a cavity, a bottom fixing ring, a first rotating shaft, a hydraulic rod, a rear telescopic frame, a second rotating shaft, a third rotating shaft, a movable ring and a top cover. The cavity is fixedly installed above the support. By arranging a hydraulic rod, the hydraulic rod can stretch out and draw back in the device in the using process, due to the fact that the bottom of the hydraulic rod is connected with a bottom fixing ring through a first rotating shaft, and the top of the hydraulic rod is connected with the uppermost rear telescopic frame through a third rotating shaft, the hydraulic rod can drive the rear telescopic frame at the top to move upwards; and during moving, a rear telescopic frame and a second rotating shaft can be driven to stretch out and draw back, the position of a movable ring in the device is adjusted, and the interior of the device is cleaned.
Absstract of: CN119320646A
The invention relates to the technical field of environmental protection and biomass energy, and particularly provides a device and a method for preparing high-quality bio-oil by culturing microalgae from wastewater and pyrolyzing the microalgae, the device comprises a microalgae incubator, a solid-liquid separation device, a water quality detection device, a drying device, a crushing device, a stirring device and a catalytic pyrolysis purification system, an outlet of the microalgae incubator is connected with an inlet of the solid-liquid separation device through a pipeline, a liquid outlet of the solid-liquid separation device is connected with the water quality detection device, a solid outlet of the solid-liquid separation device is connected with an inlet of the drying device, an outlet of the drying device is connected with an inlet of the crushing device, and an outlet of the crushing device is connected with an inlet of the stirring device. An outlet of the stirring equipment is connected with an inlet of the catalytic pyrolysis purification system. The invention aims to reduce the microalgae culture cost, improve the quality of bio-oil and realize resource utilization of wastewater.
Absstract of: AU2023363047A1
The present invention relates to a method for producing a microalgae concentrate with low viscosity, the method comprising a step of adjusting the pH of a microalgae fermentation broth and a heat treatment step, in which utility costs and investment costs can be reduced in a dehydration and drying step to secure price competitiveness for production and commercialization of dried microalgae products.
Absstract of: US2025017990A1
A combination of cyanobacteria, chitosan, and plant extracts for wound healing, eliminating pathogen bacteria, or promoting antioxidant activity is provided. The cyanobacteria my be a Spirulina platensis extract and the plant extract may be shilajit.
Absstract of: WO2025012135A1
The present invention relates to a photosensitizing polar biomass extract extracted from phycocyanin-producing organisms, in particular unicellular red algae (URA) or cyanobacteria, and to the cosmetic use thereof for preventing and/or eliminating skin imperfections, i.e. for improving the look of the skin.
Absstract of: US2025017989A1
A combination of cyanobacteria, chitosan, and plant extracts for wound healing, eliminating pathogen bacteria, or promoting antioxidant activity is provided. The cyanobacteria my be a Spirulina platensis extract and the plant extract may be shilajit.
Absstract of: CN119307484A
The invention discloses a core-shell structure algae/bacteria symbiotic hydrogel and a preparation method thereof, the core-shell structure algae/bacteria symbiotic hydrogel (algae is a core and bacteria are a shell) is prepared by using a 3D printing technology, the algae and the bacteria are separated from each other in space, and a customized latticed structure can effectively disperse light, so that microalgae in a bracket can receive the light, and the algae/bacteria symbiotic hydrogel is prepared. The problem of low hydrogen production efficiency caused by serious mutual shielding among cells, low light energy utilization rate, nutrient substance competition and the like is solved, the system almost eliminates the requirement on a liquid medium, and growth of microalgae and bacteria in the hydrogel can be supported only by forming a layer of solid culture medium at the bottom of the printed hydrogel; water resources are saved; and the space utilization rate is improved.
Absstract of: CN119307562A
The invention discloses a method for producing biodiesel by using organic solid waste anaerobic fermentation liquor and microalgae, which comprises the following steps: inoculating microalgae into a culture medium for culture, and collecting algae cells; and adding the organic solid waste anaerobic fermentation liquor into the residual culture medium, inoculating microalgae for culture, and collecting new algae cells. According to the method, the organic solid waste anaerobic fermentation liquid is directly added into the residual culture medium, so that a new microalgae culture system can be quickly formed, the production process can be simplified, continuous culture of microalgae can be realized, the accumulation amount of microalgae biomass and the yield of biodiesel can be increased, the use amount of water can be remarkably reduced, and the production cost can be reduced. And addition of a new carbon source is avoided, so that the production cost is reduced. The method has the advantages of being simple in process, convenient to operate, low in cost, high in microalgae biomass yield, high in biodiesel yield, good in biodiesel quality and the like, is suitable for large-scale production of the biodiesel, and facilitates industrial application of the biodiesel.
Absstract of: WO2025009883A1
The present invention relates to a feed composition for eels, the composition comprising Schizochytrium sp. microalgae-derived biomass, and a method for culturing eels using same. When the eel feed composition containing the Schizochytrium sp. microalgae-derived biomass is supplied to the eel, growth of the eel is promoted, and thus the biomass can be advantageously used as a feed composition or a feed additive for eels.
Absstract of: CN119307397A
The invention provides a beneficial algae bacterium and a method for culturing isochrysis galbana by using the beneficial algae bacterium, the beneficial algae bacterium separated from an isochrysis galbana solution is added to effectively improve the breeding density of the isochrysis galbana and inhibit harmful vibrio at the same time, the specific algae strain is isochrysis galbana 3018 (Isochrysis galbana) NMB-Ig-3018, and the preservation number is CCTCC (China Center For Type Culture Collection) 20241471. One specific bacterial strain is pseudoalteromonas aureus NMB-Ig-Pf-0001, and the preservation number of the pseudoalteromonas aureus NMB-Ig-Pf-0001 is CCTCC (China Center For Type Culture Collection) CM20241074. The invention further discloses a preparation method of the pseudoalteromonas aureus NMB-Ig-Pf-0001. According to the method disclosed by the invention, the breeding density of the isochrysis galbana is far higher than that of the isochrysis galbana cultured by a conventional Ningda No.3 culture medium, more microalgae can be supplied under the same water body condition, and the method is very beneficial to microalgae quantity control and production management in the actual large-scale shellfish production process. In addition, the effect of inhibiting vibrios is achieved while the density of the algae is increased, and poison of the vibrios in aquaculture water is reduced.
Absstract of: CN119307378A
The invention provides an algae fermentation culture method, which relates to the technical field of bioengineering, and comprises the following steps: selecting microalgae seeds; constructing an index fed-batch model corresponding to the selected microalgae seeds; inoculating the microalgae seeds into a fermentation tank of a Basal culture medium; culturing according to the index fed-batch model under a dark condition; after culturing under a dark condition, adding plant hormones and a nitrogen source to continuously culture to obtain the microalgae. According to the algae fermentation culture method provided by the invention, the growth of microalgae and the accumulation of xanthophyll are facilitated through index fed-batch fermentation, and after the index fed-batch fermentation culture, IAA high-nitrogen combined treatment is matched, so that the xanthophyll yield and yield of the microalgae in a fermentation tank can be effectively improved.
Absstract of: CN119307376A
The invention discloses a method for culturing microalgae with swine wastewater and an optimization method and application thereof, and belongs to the field of microalgae culture, the culture method comprises the following steps: (1) diluting culture wastewater, and adding a carbon source and a phosphorus source, the addition amount of the carbon source being 0-5000 mg/L; the addition amount of the phosphorus source is 0-100 mg/L; then adjusting the pH value of the wastewater; (2) inoculating microalgae into the wastewater in the step (1), and culturing; the initial algae density of the microalgae is 0.05 to 1.0 OD660. By adding a specific carbon source and a phosphorus source, the problems of C/N and N/P imbalance and the like in the culture wastewater are solved, and the culture conditions of algae are optimized, so that the protein content in microalgae cells and the microalgae biomass are improved, and the cost of algae culture is reduced. According to the method, in the algae biomass harvesting process, pollutants such as ammonia nitrogen, phosphate and total organic carbon in the wastewater can be synchronously removed, and deep purification of the wastewater is achieved.
Absstract of: CN119302249A
The crab and shellfish mixed culture method comprises the following steps: S1, water purification: selecting a pond, and adding a composite microalgae ecological preparation containing microalgae in the culture water to purify the water; s2, fingerling stocking: putting healthy crab fingerlings and shellfish fingerlings into the aquaculture water purified in the step S1, and feeding the crab fingerlings and the shellfish fingerlings with feed for aquaculture; s21, disease control: adding a mixture of copper sulfate and zinc sulfate into the culture water body during the culture period in the step S2; the method is characterized in that in the step S21, the content of copper sulfate in the copper sulfate and zinc sulfate mixture is 0.4-1 g/mL, the content of zinc sulfate is 0.8-2 g/mL, and the dosage of the copper sulfate and zinc sulfate mixture is 0.03-0.045 mL of the copper sulfate and zinc sulfate mixture is put into per cubic meter of the aquaculture water. Under the dosage, the concentration of the copper ions in the culture water body cannot generate an inhibition effect on the growth of the microalgae, and the synthesis of chlorophyll a in the microalgae can be remarkably promoted, so that the growth rate of the microalgae is improved.
Absstract of: CN222331899U
The utility model discloses a culture device with multiple temperature gradients, which is applied to microalgae culture. The culture device comprises a metal shell, a plurality of groups of culture containers, a temperature control device, an acrylic plate and cold light sources, wherein the culture containers are positioned in the metal shell and are distributed in a rectangular array manner; the acrylic plate is fixedly mounted at the bottom of the metal shell; the cold light sources act on the corresponding culture containers. The temperature control device comprises a main machine fixedly installed at the position of the front surface of the metal shell, three sets of heating templates embedded in the metal shell in parallel, and a temperature monitoring module used for detecting the corresponding heating templates. The temperature control device is wide in temperature control range and more stable in temperature control, culture conditions with multiple temperature values can be established to guarantee rigorous related temperature experiments, meanwhile, single culture containers can be taken independently and do not influence one another, operability is high, and the temperature is kept stable when samples are taken.
Absstract of: CN222331895U
Provided is a photobioreactor device for microalgae culture, characterized in that the device comprises: an outer container for containing a culture solution, the outer container comprising a transparent side wall and a removable upper cover; the inner container is used for containing culture liquid and microalgae and can be contained in the outer container and taken out of the outer container, the inner container comprises a transparent side wall, a top screen and a bottom screen, each of the top screen and the bottom screen comprises a screen mesh, the mesh size of the screen mesh can allow the culture liquid and gas to pass through, and meanwhile the microalgae is prevented from passing through; at least one of the top screen and the bottom screen is removably engageable with the inner container; and the gas circulation unit injects gas rich in carbon dioxide into the outer container.
Absstract of: CN222331931U
The electrical stimulation culture device comprises a three-way pipe, a wire, a spectrum carbon rod, a carbon rod connecting piece and a direct-current power supply, transparent coiled pipes are arranged on a fixing frame in a layered mode in the longitudinal direction, fluorescent lamps are arranged on all the layers, and the liquid inlet ends and the liquid outlet ends of the adjacent transparent coiled pipes are communicated through longitudinal U-shaped pipes; a discharging pipe at the bottom of the cabin body is communicated with the input end of a liquid conveying pump through a pipeline, the output end of the liquid conveying pump is communicated with a three-way pipe, a cover body is installed at a side opening of the three-way pipe in a sealed mode, and the other end of the three-way pipe is connected with the liquid inlet end of a bottom-layer transparent coiled pipe through a pipeline. The matching part of the wire and the circular hole in the top of the cover body is sealed by glue; one ends of the leads extending into the pipeline are respectively connected with the spectrum carbon rods, the other ends of the leads are respectively connected with a direct-current power supply, and multiple groups of carbon rod connecting pieces are arranged among the spectrum carbon rods. The device can meet the requirements of ton-level industrial production and is suitable for further popularization and application.
Absstract of: CN119285105A
The invention provides a method for treating organic wastewater and coupling carbon sequestration by utilizing improved microalgae, which comprises the following steps: culturing the microalgae under high-temperature and high-light conditions, improving the gene of microalgae cytochrome P450 enzyme by adopting a gene editing technology, and increasing the expression quantity of the cytochrome P450 enzyme; the method comprises the following steps: carrying out gradient domestication culture on improved microalgae in organic wastewater, inoculating the domesticated microalgae into the pretreated organic wastewater, culturing in a photobioreactor, and degrading organic matters in the wastewater in the culture process. Microalgae are improved from the gene level, the expression quantity of cytochrome P450 enzyme is strengthened and hydroxylation of organic pollutants is promoted through stimulation, regulation and control of high-temperature and high-light culture conditions, so that the organic pollutants are easier to degrade, and carbon dioxide can be fixed; the method can be used for treating various types of organic wastewater, and is high in treatment efficiency and relatively low in cost.
Absstract of: AU2024278392A1
The present disclosure provides various cyanobacterial extracts exhibiting antiviral activity to a wide spectrum of viruses, such as enterovirus (EV), respiratory syncytial virus (RSV), Human Herpesvirus (HHV), Ebola virus, porcine epidemic diarrhea virus (PEDV), and porcine reproductive and respiratory syndrome virus (PRRSV). The cyanobacterial extract is prepared from biomass of A. maxima (or Spirulina maxima). Also disclosed herein are process for preparing the cyanobacterial extract and uses of the cyanobacterial extract.
Absstract of: WO2025009883A1
The present invention relates to a feed composition for eels, the composition comprising Schizochytrium sp. microalgae-derived biomass, and a method for culturing eels using same. When the eel feed composition containing the Schizochytrium sp. microalgae-derived biomass is supplied to the eel, growth of the eel is promoted, and thus the biomass can be advantageously used as a feed composition or a feed additive for eels.
Nº publicación: US2025011678A1 09/01/2025
Applicant:
CJ CHEILJEDANG CORP [KR]
CJ CheilJedang Corporation
Absstract of: US2025011678A1
The present invention relates to a bio-oil extraction method with an improved oil recovery rate by using a cooling process. The bio-oil extraction method of the present invention, in which a process of cooling a suspension obtained by disrupting cells of a culture solution containing microalgae is further carried out, exhibits a high oil recovery rate, and does not comprise adding other additives to increase an oil recovery rate, thus enabling oil recovery and the use of remaining by-products as feed, whereby sustainable production is possible, and the recovered oil can be effectively used as a feed composition, a food composition, or the like.
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