Resumen de: WO2022151616A1

Disclosed is a biological-ecological coupling sewage treatment apparatus and method. The present apparatus comprises a micro-oxygen adsorption aeration tank, a vertical flow settling tank, a constructed wetland, and a microalgae culture tank that are connected in sequence. The bottom of the vertical flow settling tank is connected to the micro-oxygen adsorption aeration tank by means of a return pipe; aeration devices are provided at the bottom of each of the micro-oxygen adsorption aeration tank, the constructed wetland, and the microalgae culture tank; the bottom of the micro-oxygen adsorption aeration tank is provided with a magnetic stirrer; the top of the vertical flow settling tank is provided with an overflow weir; flow guide plates are provided inside the microalgae culture tank in a staggered manner; and a plurality of wire meshes, on which a ultrafine fiber material is attached, are mounted at the front end of a water outlet area of the microalgae culture tank. The disclosed apparatus and method can efficiently remove pollutants such as carbon, nitrogen, and phosphorus in the sewage with low energy consumption and achieve production and multi-level utilization of qualified recycled water while greatly reducing costs of construction, running, management, and operation, have application potentials in resource and energy recovery, and can produce environmental landscape benefits.

Resumen de: WO2022154212A1

The present application relates to a composition for freeze-preserving microalgae belonging to the family Thraustochytriaceae and a method for freeze-preserving microalgae belonging to the family Thraustochytriaceae using same. By the composition for freeze-preserving microalgae belonging to the family Thraustochytriaceae according to an aspect and the method for freeze-preserving microalgae belonging to the family Thraustochytriaceae using same, the microalgae may be stored stably for a long period of time, and the costs for preservation of the microalgae may be reduced by shortening a process. In addition, according to a method for preparing freeze-dried biomass of microalgae belonging to the family Thraustochytriaceae using the composition, even during long-term storage at room temperature, freeze-dried biomass in the form of powder that can maintain bacterial activity and is easy for storage and transportation may be manufactured through a simple process.

Resumen de: WO2022154690A1

A multi-platform gas vortex bioreactor for the suspension culture of microorganisms, plant and animal cell cultures and microalgae under laboratory conditions contains an optically transparent tank (1) with a lid, connection pipes (3, 4), a horizontal impeller (5), an annular floating barrier (7), a device for aerating and agitating a medium, a mechanism for stabilizing the position of the annular floating barrier (7) relative to the surface of a cell suspension, and a removable optically transparent hollow cylindrical sleeve (11) for receiving a light source and/or a unit for video recording, measuring and monitoring the culture process. The floating barrier (7) stabilization mechanism is provided with a shaft mounted coaxially with the horizontal impeller so as to be fastenable to an end wall (17) of the cylindrical sleeve (11). The device for aerating and agitating a medium comprises an annular floating element arranged in a gap between the cylindrical wall of the tank and the annular floating barrier. Fastened to the body of the annular floating element are radially arranged removable blades (19) and/or needle-like elements arranged equidistantly on the upper end surface of the annular floating element for the surface agitation of a liquid nutrient medium.

Resumen de: US2022225648A1

Provided herein are food compositions including a microalgal extract. In particular, provided herein are food compositions including a microalgal extract, wherein the microalgal extract includes a glycolipid in an amount of about 15 to 70 wt %, based on the total weight of the extract and, a phospholipid in an amount of about 5 to 70 wt %, based on the total weight of the extract. Further provided are methods of making the microalgal extract for use in food compositions.

Resumen de: WO2022154258A1

A photosynthetic microalgae-based wall-mounted air purification system according to the present invention comprises: a case including a water tank part in which a culture medium of microalgae that consume carbon dioxide in the air to produce oxygen is stored, and having an air suction port on one side thereof and an air discharge port on the other side thereof; and a blower installed in the case to generate a blowing force so that external air is sucked into the water tank part via the air suction port, and then can be discharged via the air discharge port, wherein the air suction port and the air discharge port are formed on the upper side of the case, the upper side being higher than the water level of the culture medium, the system further comprising an intake guide for guiding air sucked in via the air suction port, to the lower side of the water tank part. As such, when the photosynthetic microalgae-based wall-mounted air purification system according to the present invention is used, there are the advantages of being installable harmoniously and simply on the wall surface of a bus or a subway platform, and being able to efficiently remove carbon dioxide, dust and the like from the air, and increase the concentration of oxygen in the air.

Resumen de: US2022220527A1

The invention relates to a method for characterizing the activity of a culture comprising microalgae, the method comprising the steps of: supplying a sample of the culture from a bioreactor to a chamber fluidically connected to the bioreactor; illuminating the sample in the chamber; measuring the concentration of dissolved oxygen in the sample in order to determine a rate of oxygen production by the illuminated sample. The invention also relates to a device and an apparatus for characterizing a culture comprising microalgae.

Resumen de: WO2022144796A1

A method executed by an engine of a computing device for simulating microalgae fermentation is described. The engine receives an input from a user. The input includes an identification of a microalgae, an identification of a culture media, an identification of an enclosure, and an identification of fermentation conditions for the microalgae when the microalgae is located in the culture media and when the microalgae and the culture media are located in the enclosure. An algorithm of the engine is used to simulate fermentation of the microalgae. A result of the simulation is displayed to the user.

Resumen de: WO2022144791A1

A method for using peptides for flavorings is described. The method includes, at least, obtaining a microalgae, extracting chlorella protein from the microalgae, modifying a factor associated with the chlorella protein to change an amino acid combination of the chlorella protein, and identifying a peptide flavoring associated with the modified amino acid combination.

Resumen de: WO2022142552A1

Disclosed are a microalgae-sludge MABR reactor, a self-light condensing microalgae-sludge MABR reactor, and a microalgae-sludge eco-friendly wastewater treatment system. The present invention is based on a microalgae-sludge MABR water treatment system in combination with a regulating wastewater storage system, a microalgae-sludge MABR reactor, a terminal water quality control system, a condensed light supply system, and a pipeline transport system. A core microalgae-sludge MABR reactor comprises: an inner transparent reaction tube, a membrane separator, an intermediate transparent reaction tube, an outer support tube system, and an end plate; a condensed light supply system comprises a solar power generation and control system, a sunlight light condensing system, an electric light emission system, and another regulating wastewater storage system, a terminal water quality control system, and a pipeline transport system operate in cooperation with the microalgae-sludge MABR reactor and the condensed light supply system. The present invention may be applied in high nitrogen and phosphorus and highly eutrophic wastewater treatment or in micropollutant-containing wastewater treatment, etc. The present invention solves shortcomings in energy utilization, carbon source utilization, non-carbon source nutrient utilization, and eco-unfriendly circulation in a traditional water treatment process.

Resumen de: US2022213519A1

In an aspect, the disclosure provides methods for making neurotransmitters in a host organism. The neurotransmitters can be cannabinoids and derivatives of cannabinoids. The host cells can be microalgae, fungi or other host cells. In a related aspect, the disclosure provides host cells engineered to have biochemical pathways for making neurotransmitters such as cannabinoids.

Resumen de: WO2022144783A1

A method executed by a bioreactor system to cultivate a microalgae comprising a photoreceptor sensitive to a region of a visible spectrum under an autotrophic condition and a fermentation condition is described. A first process incubates the microalgae under the autotrophic condition and the fermentation condition simultaneously to allow the microalgae to grow and then removes the fermentation condition halfway through the process. A second process incubates the microalgae under the autotrophic condition and the fermentation condition simultaneously to allow the microalgae to grow. Both processes generate compounds, or functional proteins.

Resumen de: KR20220093654A

본 발명은 미세조류 배양 장치에 관한 것으로, 상부가 개방되어 있으며, 내부에 미세조류를 배양할 수 있는 물이 저장되는 배양수조; 상기 배양수조의 상측에 구비되며, 상기 배양수조를 향하는 방향으로 하강하거나 상기 배양수조와 멀어지는 방향으로 상승할 수 있으면서 상기 미세조류의 배양에 필요한 밝기의 빛을 조사하는 광조절유닛; 및 상기 배양수조의 외부 및 내부에 동시에 위치하도록 구비되며, 상기 배양수조 내부에 저장된 물을 설정수온 범위로 유지할 수 있도록 온수 및 냉수를 생성하여 공급 순환시키는 냉온수 공급유닛를 포함한다.

Resumen de: AU2022203980A1

A method of producing a membrane protein is provided. The method comprises providing a culture comprising a recombinant microalgal host cell comprising a heterologous nucleic acid encoding a heterologous membrane protein and culturing the recombinant microalgal host cell under conditions sufficient to produce a microalgal extracellular body comprising the heterologous membrane protein.

Resumen de: US2022205002A1

Disclosed is a mutant strain having the ability to produce polyhydroxybutyrate. The novel strain has a significantly high growth rate and an improved ability to produce PHB compared to existing PHB-producing cyanobacterial strains. Therefore, the novel strain is suitable for use in the production of PHB and the development of various products using PHB. In addition, the novel strain is useful as a photosynthetic strain for developing a PHB production process using industrial flue gas due to its ability to produce PHB from only CO2 without any additional organic carbon source. Also disclosed is a method for producing polyhydroxybutyrate using the mutant strain.

Resumen de: US2022204917A1

A method executed by a bioreactor system to cultivate a microalgae comprising a photoreceptor sensitive to a region of a visible spectrum under an autotrophic condition and a fermentation condition is described. A first process incubates the microalgae under the autotrophic condition and the fermentation condition simultaneously to allow the microalgae to grow and then removes the fermentation condition halfway through the process. A second process incubates the microalgae under the autotrophic condition and the fermentation condition simultaneously to allow the microalgae to grow. Both processes generate compounds, or functional proteins.

Resumen de: US2022204998A1

Presented herein are Synechococcus strains engineered to express the bacterial ethylene-forming enzyme (EFE) that exhibit unstable ethylene production due to toxicity and genomic instability induced by accumulation of the EFE-byproduct guanidine. Co-expression of EFE and Sll1077 significantly enhanced genomic stability and enabled the resulting Synechococcus strain GD-EFE7942 to achieve sustained high-level ethylene production. The engineered strains and methods disclosed herein are useful for guanidine degradation pathways and for ethylene bioproduction in cyanobacteria.

Resumen de: US2022204571A1

A method for using peptides for flavorings is described. The method includes, at least, obtaining a microalgae, extracting chlorella protein from the microalgae, modifying a factor associated with the chlorella protein to change an amino acid combination of the chlorella protein, and identifying a peptide flavoring associated with the modified amino acid combination.

Resumen de: WO2022138466A1

The method for producing a plant acidic invertase activator includes a step (step S01) for preparing modified cyanobacteria in which a function of a protein that participates in bonding of an outer membrane (5) and a cell wall (4) in cyanobacteria is suppressed or abolished and a step (step S02) for causing the modified cyanobacteria to secrete a secretion that participates in activation of an acidic invertase of a plant.

Resumen de: AU2022202738A1

pChiamy_4 3640 bp The present invention is directed to methods and materials for producing recombinant viruses. In particular, methods and materials are provided for producing recombinant viruses in eukaryotic microalgae such as Chlamydomonas reinhardti. Recombinant adeno-associated viruses are examples of recombinant viruses produced according to the invention.

Resumen de: WO2022128982A1

Disclosed is a method for processing animal products, in particular products from poultry farming, comprising the following steps: a) chemical treatment by placing collected waste in contact with an ammonia-based buffer with a pH of at least 8; b) heat treatment of the material resulting from step a), by heating said material in a humid medium to a temperature of at least 70°C; c) separation of the organic matter and inorganic matter in the presence of water from the material resulting from step b), then separated collection of (i) the liquid fraction comprising the inorganic matter, and (ii) the solid fraction comprising the organic matter; and d) addition of the liquid fraction resulting from step c (ii), comprising the inorganic matter, in a basin (22) filled with water held in a controlled manner at a setpoint temperature ranging from 20°C to 42°C, preferably from 28°C to 35°C, in which a protein-rich plant or bacterium is cultivated, in particular microalgae or cyanobacteria, preferably spirulina. Also disclosed is a system for implementing this method.

Resumen de: KR20220082527A

본 발명은 VHSV (Viral hemorrhagic septicemia virus) 당단백질을 발현하는 형질전환 미세조류를 유효성분으로 포함하는 바이러스성출혈성패혈증(Viral hemorrhagic septicemia)의 예방 또는 개선용 사료첨가제 조성물 및 이의 용도에 관한 것으로, 본 발명에 따른 조성물은 상용의 사료에 흡착시켜 어류에 제공할 수 있어, 먹이 섭취 과정을 통해 면역을 유도할 수 있으므로, 면역주사와 같은 고비용 또는 숙련된 노동력을 요구하지 않으면서 어류의 VHSV 감염에 의한 폐사를 효과적으로 감소시킬 수 있으므로, 양식 산업 분야에 유용하게 사용될 수 있을 것이다.

Resumen de: US2022186175A1

The invention relates to a process and equipment for cultivating and producing a biomass from microalgae, primarily plankton. A microalgal biomass is cultivated in a single bioreactor chamber in the shape of a vertically oriented parallelepiped. The culture mixture is illuminated by artificial light sources mounted on the inner side of one of the broad walls of the bioreactor chamber in horizontal rows throughout the height of the bioreactor chamber. The culture mixture is illuminated cyclically. Spray heads are mounted on the inner side of the opposite wall of the bioreactor chamber so that 4 spray heads are arranged symmetrically around each artificial light source. The pH value of the culture mixture is maintained in a range of 8.5-9.5 by the addition thereto of a lactic acid bacteria-containing solution at the beginning of each light cycle in an amount of 1-3 ml per litre of culture mixture, said solution having a pH value selected in a range of 4.0-5.0.

Resumen de: WO2022124482A1

The present application relates to a method for producing biomass comprising protein and omega-3 fatty acids from single microalgae, and biomass produced thereby, the method for producing biomass according to one embodiment supplying the cultivation stage continuously with a nitrogen source to allow producing single microalgae-derived biomass having high protein and omega-3 fatty acid content, and as such, biomass produced thereby can be effectively used as the single microorganism source of protein and omega-3 fatty acids.

Resumen de: WO2022124590A1

The present application relates to a novel Schizochytrium sp. strain and a polyunsaturated fatty acid production method using same. Novel Schizochytrium sp. microalgae, according to one aspect, have high fat content among biomass and particularly have high polyunsaturated fatty acid content, such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), and thus said microalgae, and biomass or bio-oil produced therefrom may be usefully employed as raw feed material, etc.

Resumen de: WO2022124878A1

Disclosed is a method for obtaining carotene-free Chlorella vulgaris microalgae. The method comprises: adding the microalga Chlorella vulgaris, in the exponential growth phase, to an "f" culture medium; placing the microalgal culture in a tubular photobioreactor arranged in the centre of a compound parabolic concentrator; maintaining the culture at a maximum temperature of between 33 and 35 °C and a maximum irradiance of 5090 µmol m2 s- 1; centrifuging the biomass; and lyophilising the centrifuged biomass.