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MICROALGAE GROWTH-PROMOTING MICROORGANISM AND MICROALGAE GROWTH PROMOTER

Resumen de: US20260234544A1

This microorganism belongs to the genus Rhodococcus, Xanthobacter, Ancylobacter, Shewanella, or Aeromonas. Said microorganism may be Rhodococcus cerastii belonging to the genus Rhodococcus, Xanthobacter flavus belonging to the genus Xanthobacter, or Ancylobacter rudongensis belonging to the genus Ancylobacter. Said microorganism may be for promoting the growth of cyanobacterium, green algae, glaucophyte algae, or Euglena algae. Said microorganism may be for promoting the growth of organisms belonging to the phylum Cyanobacteria, Ochrophyta, Euglena, Cryptophyta, Haptophyta, Cercozoa, Glaucophyta, Rhodophyta, Chlorophyta, or Streptophyta.

SYSTEM AND METHOD FOR PROCESSING EFFLUENTS AND USE IN THE PRODUCTION OF MICROALGAE

Resumen de: EP4790127A1

A system and method are provided for processing an industrial effluent and cultivating microalgae. The system comprises a primary tank, a screening unit with a motor-driven cleaning mechanism, a flocculation tank supplied with a chemical flocculant, a sand filter, an acidification unit with pH control, a solid-liquid separation unit, an anaerobic digestion unit, and a microalga cultivation unit. The effluent is screened, flocculated, filtered, acidified to a pH from 4.2 to 5.2, preferably 4.45 to 4.75, and subjected to solid-liquid separation to remove precipitated proteins and destabilised colloidal material, thereby producing a clarified effluent. The clarified effluent is anaerobically digested at a defined organic loading rate to generate biogas and a liquid digestate. At least a portion of the digestate and/or carbon dioxide derived from the biogas is used for microalga cultivation. The system enables stable anaerobic digestion without membrane-based pretreatment and provides a conditioned stream suitable for downstream microalga growth.

PROCESS FOR PRODUCING CALCIUM HYDROXIDE

Resumen de: EP4790131A1

A process for producing calcium hydroxide, comprising:reacting calcium carbonate with an acid in an aqueous solution at a temperature of 10-50°C to produce a calcium ion solution and carbon dioxide,separating the carbon dioxide from the calcium ion solution,treating the calcium ion solution to form calcium hydroxide,directing the separated carbon dioxide to a photobioreactor containing microalgae, andgrowing the microalgae in the photobioreactor using the carbon dioxide through photosynthesis.

Children composite neurotrophic composition based on intestinal brain axis regulation and low-temperature preparation process thereof

Resumen de: CN122515463A

The invention discloses a children composite nerve nutrition composition based on intestinal brain axis regulation and a low-temperature preparation process thereof, and relates to the technical field of special dietary nutrition. The composition is prepared from the following components in parts by mass: 38 to 52 parts of specific animal bifidobacterium subsp. Lactis BB-C04 bacterial powder, 22 to 35 parts of lactobacillus plantarum LP-N07 bacterial powder, 45 to 68 parts of isomaltooligosacharide IMO-900 type, 25 to 40 parts of palatinitol, 8 to 15 parts of high-purity yolk source phosphatidylserine PS-50 type and 12 to 22 parts of microalgae source docosahexaenoic acid grease microcapsule powder DHA-35 type. 6 to 11 parts of N-acetylneuraminic acid purified powder, 5 to 9 parts of L-alpha-glycerophosphorylcholine type GPC-50, 3 to 7 parts of natural source citicoline sodium salt and 0.8 to 1.6 parts of anti-caking agent silicon dioxide micro powder. The traditional Chinese medicine composition can significantly improve the symptoms of inattention, low learning and memory ability and gastrointestinal dysfunction coexistence of children of 3-12 years old.

Shellfish culture net carbon flux monitoring method, system and medium

Resumen de: CN122528107A

The invention relates to a shellfish culture net carbon flux monitoring method, a shellfish culture net carbon flux monitoring system and a medium. The method comprises the following steps: constructing a shellfish-microalgae co-culture unit and a microalgae contrast unit; synchronously and continuously acquiring heart rate signals of at least two shellfishes in the shellfish-microalgae co-culture unit to obtain effective heart rate data; hydrochemical parameters of the shellfish-microalgae co-culture unit and the microalgae control unit are obtained respectively; calculating to obtain net contribution data of the shellfish to the hydrochemical parameters according to the hydrochemical parameters; based on the effective heart rate data, calculating to obtain a heart rate cumulative average value; and calculating heart rate data collected in real time to obtain a real-time heart rate cumulative average value, substituting the real-time heart rate cumulative average value into the heart rate-hydrochemistry quantitative regression model, performing inversion to obtain a net contribution estimated value of shellfish to hydrochemistry parameters, and calculating to obtain the net carbon flux of a culture unit based on the total alkalinity net variation. According to the method, the shellfish physiological metabolism indexes and the water carbon chemical parameters are accurately associated, and the scientificity, the accuracy and the repeatability of the net carbon flux calculatio

Method for treating waste pit sealing mud of Maotai-flavor liquor based on thermal acid coupling microalgae process

Resumen de: CN122521404A

The invention discloses a method for treating waste pit sealing mud of Maotai-flavor liquor based on a hot acid coupling microalgae process, which comprises the following steps: air-drying the waste pit sealing mud, crushing, removing impurities, preparing into a suspension, introducing phosphoric acid, carrying out hot acid treatment under a heating condition, destroying a colloid structure, and promoting degradation-resistant macromolecular organic matters to be converted into soluble micromolecular organic matters; and transferring with nitrogen into the hydrolysate. After solid-liquid separation, a solid phase is recycled, supernatant rich in organic matter, free ammonia nitrogen and phosphorus is collected, the obtained supernatant makes up for phosphorus deficiency and shortage due to introduction of phosphoric acid, proper C: N: P balance can be achieved after simple dilution and adjustment by adding water, and the supernatant serves as the only culture medium to inoculate microalgae for culture. According to the method, deep coupling of pit sealing mud solid-phase repair and liquid-phase high-added-value microalgae biomass synthesis is achieved, and the method has the remarkable advantages that the process is compact, cost is reduced, efficiency is improved and the like.

CARRIERS FOR GROWING ALGAE

Resumen de: US20260223795A1

0000 Microalgae are grown in a biofilm on carriers. In some examples, the carriers are surfaces with a small angle to the vertical. Optionally, the carriers may have surfaces on both sides of a vertical plane (e.g., an inverted V) or surrounding a vertical axis (e.g., a cone). In some examples, the carriers include two or more sheets of a porous material such as a fabric, screen or mesh. In some examples a surface of the carrier is flexible. In some examples, the carriers provide a specific surface area for algae growth greater than 7 m<2>/m<2>.

A GENETICALLY MODIFIED EUKARYOTIC MICROALGA AND INJECTABLE COMPOSITION FOR SYMBIOTIC THERAPY

Resumen de: WO2026163125A1

The present invention relates to a symbiotic therapeutic technique based on a genetically modified eukaryotic microalga (51), preferably photosynthetic, such as for example Chlamydomonas reinhardtii, in which an expression cassette (10) codifying a biologically active peptide and/or protein comprises a secretion coding module (5) of a therapeutic agent to allow the biologically active peptide/protein to be released so that it can cross the cell wall of the microalga (51), to be secreted outside of it and enter directly into the circulation in a subject (53) in which said genetically modified eukaryotic microalga (51) has been subcutaneously or intradermally injected. The microalga can be of a type that naturally: a) lacks flagella; or b) has flagella, in which case a prior genetic modification prevents the formation or inactivates the flagella, so that the microalga remains immobilised at a subject injection site (53). The expression cassette (10) can further comprise at least one further coding module selected from: a homing module (6), for targeting the peptide/protein to a predetermined tissue and/or cell population of the subject (53); a penetrating module (7) for inducing internalisation of the protein within a cell of said subject (53) through the cell membrane or by induced endocytosis; a protection module (9). The invention also relates to a subcutaneously or intradermally injectable composition containing said microalgae, and to a kit for preparing said composition.

ALGAE BIOMASS

Resumen de: US20260226398A1

The invention relates to an algae biomass having particular values within a defined colour space. The invention further relates to a strain of Chlorella microalgae having a genetic mutation in genes encoding for specific subunits of magnesium chelatase, preferably magnesium chelatase subunit, and also relates to a method of producing a strain of Chlorella microalgae having such mutations.

COMPOSITION FOR MAINTAINING OR INCREASING FIBROUS STRUCTURAL PROTEIN

Resumen de: EP4785810A1

0001 An object of the present invention is to provide a formulation effective for maintaining or increasing hair fibrous structural proteins. Provided are a composition for maintaining or increasing fibrous structural proteins, a composition for maintaining or increasing skin elasticity, a composition for improving hair quality, and a composition for promoting production of collagen, elastin, or hyaluronic acid, which contain a culture supernatant and/or extracellular vesicles of a microalga.

Strip-shaped basalt fiber reinforced alginate-based microalgae immobilization material and preparation method thereof

Resumen de: CN122503372A

The invention discloses a strip-shaped basalt fiber reinforced alginate-based microalgae immobilization material and a preparation method thereof, and belongs to the technical field of environmental functional materials and algae biology. The preparation method comprises the following steps: cleaning basalt fibers, immersing the basalt fibers in a surface modifier, and drying the basalt fibers at a high temperature to form an active hydroxyl surface; immersing the modified basalt fiber in the algal glue solution, then transferring the algal glue solution into a calcium chloride aqueous solution for crosslinking, and repeating the steps until the thickness of a coating layer reaches a preset value; the algal glue solution is a mixed aqueous solution of sodium alginate and microalgae. The material disclosed by the invention is supported by a basalt fiber skeleton and is subjected to confinement coating by alginate gel, so that 1) the mechanical strength and the structural stability of an immobilization system are improved; the method has the advantages of simple operation, convenience in use, optimization of microalgae attachment and mass transfer environment, formation of a long-strip-shaped structure convenient for hanging, arrangement and overall recovery, direct resource utilization of the material after the use period, and preparation of the algae-based bio-fertilizer for improving saline-alkali soil.

Chlorophyll binding peptide and application thereof

Resumen de: CN122502449A

The invention discloses a chlorophyll binding peptide and application thereof, and belongs to the technical field of food science and biology. The invention relates to a chlorophyll binding peptide excavated from microalgae, in particular to a chlorophyll binding peptide with high chlorophyll binding activity. The chlorophyll binding peptide comprises a chlorophyll binding peptide PEP1, a chlorophyll binding peptide PEP2, a chlorophyll binding peptide PEP6 and a chlorophyll binding peptide PEP7. The chlorophyll binding peptide with low molecular weight shows unique advantages, has strong structural designability, realizes accurate interaction with chlorophyll, has better solubility and processing adaptability, and provides a new path for efficient protection of chlorophyll. The chlorophyll binding peptide obtained through screening can remarkably improve the thermal stability of chlorophyll in an aqueous solution through specific binding, and is suitable for natural pigment stabilization and functional food development.

SOD-rich algal-bacterial symbiotic liquid and preparation method thereof

Resumen de: CN122503253A

The invention relates to the technical field of agricultural planting, and provides a bacterial-algae symbiotic solution rich in SOD and a preparation method thereof, the pH value of the bacterial-algae symbiotic solution finished product is 4.4-4.6, and the bacterial-algae symbiotic solution is prepared from the following raw materials in parts by weight: 28-42 parts of an acid-resistant active microalgae solution, 18-26 parts of an acid-resistant composite functional bacterial solution, 32-46 parts of a weak acid organic symbiotic nutrient solution and 0.6-1.8 parts of an acid active stabilizer. Wherein the effective viable count in the algal-bacterial symbiotic liquid is greater than or equal to 2.2 * 10 CFU/mL, the viable microalgae retention rate is greater than or equal to 96%, and the SOD enzyme activity is greater than or equal to 900 U/mL. The invention solves the problems that the existing algal-bacterial symbiotic liquid cannot maintain the algal-bacterial dual-activity and low SOD enzyme activity under the condition of weak acidity (pH is about 4.5).

Gas retention type partitioned carbon supplementing system for microalgae raceway pond and use method of gas retention type partitioned carbon supplementing system

Resumen de: CN122503201A

The invention discloses a gas retention type partitioned carbon supplementing system of a microalgae raceway pond and a using method, and belongs to the technical field of microalgae culture.The gas retention type partitioned carbon supplementing system comprises a raceway pond module and a carbon supplementing module, the carbon supplementing module is arranged in an algae liquid culture flow channel and connected with a gas buffer tank arranged outside the raceway pond module, the gas buffer tank is connected with a circulating gas pump, and the circulating gas pump is connected with the carbon supplementing module. And the circulating air pump is connected with a carbon-containing air source tank. The carbon supplementing module makes full contact with flowing algae liquid, unabsorbed tail gas is recycled, the utilization rate of carbon dioxide is increased, tail gas dissipation and pH fluctuation are reduced, and the carbon supplementing module is suitable for open or semi-open microalgae raceway ponds. The method is suitable for spirulina, chlorella, scenedesmus, dunaliella salina, haematococcus pluvialis, nannochloropsis oculata and other microalgae suitable for being cultured in an open or semi-open raceway pond; the method is especially suitable for large-scale microalgae culture and carbon dioxide emission reduction engineering taking pure carbon dioxide, air and carbon dioxide mixed gas, fermentation tail gas, industrial tail gas or coal-fired flue gas as a carbon s

Land-based round pool ecological breeding system and method for macrobrachium rosenbergii

Resumen de: CN122498449A

The invention discloses a macrobrachium rosenbergii land-based round pool ecological breeding system and method, and relates to the technical field of breeding. Comprising the steps of young shrimp putting, water quality management, bait casting management, pond reversing, young shrimp desalination and the like. The abundance of microalgae in a water body is maintained to be 104-107 cell/mL through micro-ecological regulation and control, a beneficial micro-ecological preparation is added, and water purification is realized by utilizing a micro-filter, a disinfection tank and a water purification tank; feeding management is adjusted according to the growth stage of shrimp seeds, feeding is not carried out in the I stage, artemia nauplii are mainly used in the II-VI stage, shrimp slices are gradually increased in the VII-XI stage, and egg custard and the shrimp slices are fed in the young shrimp stage; the pond pouring operation is carried out when ammonia nitrogen is greater than or equal to 2mg/L or nitrite is greater than or equal to 0.5 mg/L, and the salinity of the shrimp seeds is reduced to 0.3% by adding fresh water every day. The method is suitable for large-scale breeding, the survival rate and the growth speed of shrimp seeds are remarkably increased, and the method has the advantages of being efficient and ecological and can be applied to other aquaculture fields.

Pipeline-raceway pond series-connection microalgae large-scale collaborative culture process

Resumen de: CN122503223A

The invention discloses a large-scale microalgae collaborative culture process with pipelines and raceway ponds connected in series, and belongs to the technical field of microalgae biology. Comprising the following steps: step 1, carrying out sterile propagation on target microalgae species in a column type photobioreactor to obtain a primary microalgae species liquid; step 2, inoculating the primary algae seed liquid into a pipeline type photobioreactor for secondary propagation, executing gradient cooling domestication in the propagation process, and reducing the culture temperature to a target temperature range from an initial temperature range in stages to obtain secondary algae seed liquid; step 3, inoculating the secondary algae seed liquid into the open raceway pond according to a volume ratio of 10-30%, and carrying out semi-continuous culture; and step 4, collecting supernate harvested in the raceway pond, and recycling the supernate as at least part of water source for preparing the culture medium of the pipeline type photobioreactor after the supernate is treated. According to the process, the growth delay phase of the raceway pond after inoculation is shortened through gradient cooling domestication, the pollution failure rate of culture batches is reduced, and consumption of fresh water resources and nutritive salt is reduced through recycling of supernate.

Acid-resistant, high-phosphorus-resistant and high-ammonium-nitrogen euglena and application thereof

Resumen de: CN122483924A

The invention relates to the technical field of microbial environment remediation, and particularly discloses acid-resistant, high-phosphorus-resistant and high-ammonium-nitrogen-resistant euglena and application thereof.The microalgae is leachate-resistant euglena Euglena sp. DY2 separated from ardealite leachate and preserved in the China Center for Type Culture Collection (CCTCC) with the preservation number of CCTCC M 20252476, and the acid-resistant, high-phosphorus-resistant and high-ammonium-nitrogen-resistant euglena is a strain of Euglena sp. DY2 separated from ardealite leachate with the preservation number of CCTCC M 20252476. CM culture medium powder is added into a diluent of ardealite leachate according to the mass-to-volume ratio of 5%-20% to prepare an enrichment culture medium of the euglena, and the enrichment culture medium not only can maintain the tolerance of the euglena to the leachate, but also can promote the biomass accumulation of the euglena; the enriched euglena is applied to treatment of the ardealite leachate, and the euglena grows and accumulates biomass by utilizing nutrient elements in the leachate and efficiently removes nitrogen at the same time. According to the method, low-cost and efficient treatment and resource utilization of the ardealite leachate are achieved, microalgae can grow continuously in a photoautotrophic mode, and the method is environmentally friendly and free of secondary pollution and has wide application prospects in tr

Method of Cleaning Microalgae Culture Vessel

Resumen de: KR20260118887A

본 발명은 미세조류 배양기의 배양 수조에 물을 공급하여 충진하는 물 공급 단계와, 상기 배양 수조로 오존을 공급하는 오존 공급 단계와, 상기 배양 수조에 과초산을 공급하는 과초산 공급 단계와, 상기 배양 수조의 내부에 형성된 상기 물과 오존 및 과초산을 포함하는 복합 세척액에 공기 기포를 공급하는 배양 수조 세척 단계와, 상기 배양 수조에 오존 중화제를 공급하는 오존 중화제 공급 단계 및 상기 배양 수조에 수용되어 있는 세척 혼합물을 필터링하는 세척 혼합물 필터링 단계를 포함하는 미세조류 배양기 세척 방법을 개시한다.

Composition with anti-oxidation and anti-aging functions, skin care product and preparation method thereof

Resumen de: CN122478789A

The invention relates to a composition with antioxidant and anti-aging functions as well as a preparation method and application of the composition. The composition is prepared from hesperidin methyl chalcone (HMC), chlorophyta microalgae extract and microprotein in a mass ratio of (0.1-30): (0.1-50): (0.1-80). Compared with the prior art, the hesperidin methyl chalcone (HMC), the chlorophyta microalgae extract and the micro-protein in a specific proportion are combined for use to achieve a synergistic effect, so that the anti-wrinkle mask has the effects of resisting skin oxidation, resisting aging and relieving wrinkles.

Graded anaerobic-aerobic biochemical treatment process for breeding wastewater

Resumen de: CN122482694A

The invention discloses a grading anaerobic-aerobic biochemical treatment process for aquaculture wastewater, and belongs to the technical field of aquaculture wastewater treatment. According to the graded anaerobic-aerobic biochemical treatment process for the breeding wastewater, the breeding wastewater subjected to solid-liquid separation is discharged after being subjected to composite conditioning-functional filler contact, USR anaerobic fermentation, UASB anaerobic degradation, medium precipitation pretreatment, two-stage A/O aerobic denitrification, final precipitation separation, microalgae-biological membrane biochemical treatment and disinfection standard reaching treatment. The composite conditioning-functional filler contact tank is used for balancing water quality, buffering load and adsorbing and intercepting suspended and colloidal pollutants; the USR and the UASB cooperate to realize graded anaerobic degradation of organic matters and biogas recovery; the two-section A/O reaction tank is used for enhancing nitrification and denitrification nitrogen removal; and the microalgae-biological membrane biochemical pool further absorbs nitrogen and phosphorus and degrades residual organic matters. All the procedures are monitored in real time and regulated in a linkage mode through the intelligent central control system, and the breeding wastewater treatment stability, the resource utilization rate and the standard discharge reliability can be improved.

Method for removing perfluorinated compounds in wastewater by using nano zero-valent iron-microalgae

Resumen de: CN122482636A

The invention discloses a method for removing perfluorinated compounds in wastewater by using nano zero-valent iron-microalgae, which comprises the following steps: adding nano zero-valent iron into a microalgae culture solution of wastewater containing the perfluorinated compounds to construct a nano zero-valent iron-microalgae synergistic degradation system, and reacting to remove the perfluorinated compounds in the wastewater. According to the method disclosed by the invention, through the constructed nano zero-valent iron-microalgae degradation system, the growth of microalgae can be promoted, and the activity of degrading enzyme can be improved; meanwhile, active substances such as organic acid generated by the microalgae not only can effectively avoid passivation and inactivation of the nano zero-valent iron, but also can mediate generation of extracellular active oxygen (such as. OH), so that the degradation rate of the perfluorinated compounds is remarkably increased, and efficient in-situ removal of the perfluorinated compounds in the wastewater is realized.

Annular magnetic stirring microalgae culture device

Resumen de: CN122483897A

The invention provides an annular magnetic stirring microalgae culture device which comprises a container, an external electromagnetic driving assembly and a magnetic stirring ring, the external electromagnetic driving assembly is arranged outside the container in a liftable mode, and the magnetic stirring ring is arranged in the container. The external electromagnetic driving assembly is used for magnetically driving the magnetic stirring ring to rotate in the container; according to the invention, a central mechanical shaft is not arranged, the central through hole structure of the hollow magnetic stirring ring realizes unobstructed penetration of an internal light path of the reactor, the illumination blind area is reduced, and dead angles such as a sealing ring and a mechanical bearing in the reactor are removed; in cooperation with the fluid scouring effect, wall-hanging deposition of microalgae cells and attachment of infectious microbe biological membranes are prevented, and the pollution probability in long-term continuous culture is reduced.

HETEROLOGOUS PRODUCTION OF THE C33–C45 POLYKETIDE FRAGMENT OF ANTICANCER APRATOXINS IN A CYANOBACTERIAL HOST

Resumen de: US20260218211A1

0000 The present disclosure relates to recombinant cyanobacterial cells for the production of a chemical compound of interest. In particular, the present disclosure relates to genetic modifications that introduce one or more heterologous polyketide synthases (PKS) into a cyanobacterial cell. These cells can further comprise nucleic acid constructs that provide the cyanobacterial cells with the capability of producing chemicals of interest or compounds of interest, including Compound (I).

BIOLOGICAL FLOCCULANT, PREPARATION METHOD THEREFOR AND USE THEREOF IN CONTROL OF CYANOBACTERIA

Resumen de: US20260218259A1

0000 Provided are a biological flocculant, a preparation method therefor and use thereof in control of Cyanobacteria. The biological flocculant includes cationic hydroxyethyl cellulose and an extracellular polysaccharide. The extracellular polysaccharide is produced by fermentation of Agrobacterium sp. LHZJX.A07 that is taxonomically named. A method for preparing the extracellular polysaccharide includes screening Agrobacterium from a soil enrichment culture dilution spread plate, purifying and inoculating the Agrobacterium into a culture medium for culture, performing fermentation to obtain a extracellular polysaccharide crude solution, and performing concentration, purification and drying to obtain the extracellular polysaccharide.

PROCESS FOR PREPARING A MICROFIBER COMPOSED OF MICROALGAE LIVING INSIDE, AND RELATED MICROFIBER

Nº publicación: US20260218421A1 30/07/2026

Solicitante:

DEW S R L [IT]
DEW S.R.L.

Resumen de: US20260218421A1

0000 A process is described for preparing a microfibre with living microalgae inside, including the steps of: preparing and mixing micro-algae and a biomaterial in a nutritional medium; and micro-fluidic spinning of the micro-algae mixture and the biomaterial which is polymerized; wherein the micro-fluidic spinning is carried out in a micro-fluidic spinning chip, provided with a spinning die having a “grooves” section, so as to obtain a grooved section.