Absstract of: AU2019378078A1

The invention relates to a device (10) for producing microalgae, comprising a basin (12) containing an aqueous medium and a movable support (14) capable of receiving a cell culture made up of algae cells, which movable support is immersed at least partially in the aqueous medium and has at least a first portion and a second portion, characterised in that the movable support is arranged in the basin such that the first portion is exposed directly to a main light source (18) and forms an exposure section (24), and the second portion is not exposed directly to the main light source (18) and forms an inhibition section (26), the device (10) further comprising a secondary light source (28) designed to emit actinic light in the direction of the inhibition section (26) so as to inhibit the pigment synthesis of at least some of the algae cells. The invention also concerns a method for producing microalagae.

Absstract of: WO2021102563A1

Processes are disclosed for photosynthetic cyanobacterial production of selected proteins and biochemicals within an evolving alkaliphilic microbial consortium. Specifically, a method of making a phycocyanin product is disclosed, comprising culturing an alkaliphilic soda lake microbial consortium under aerobic alkaline conditions in a diurnal growth cycle to establish a cyanobacterial population containing the phycocyanin within the microbial consortium in a cultured biomass in an aerobic culture comprising a growth medium; and, shifting the microbial consortium, having a proportion of cyanobacteria and a proportion of non-cyanobacterial alkaliphile microbes, to a dark-phase cycle under anaerobic alkaline conditions in an anaerobic culture to initiate auto-catabolic release of the phycocyanin intact from the cyanobacterial population as the proportion of cyanobacteria in the microbial consortium decreases and the proportion of non-cyanobacterial alkaliphile microbes increases in the consortium, to produce a biomass solids product and an aqueous phycocyanin product.

Absstract of: WO2021104112A1

Provided is a drug comprising live cyanobacteria, which improves tumor hypoxia by generating oxygen by means of photosynthesis under laser irradiation so as to change the micro-environment of a tumor and achieve an oxygen-increasing tumor treatment effect.

Absstract of: WO2021104086A1

Provided is a composition for ameliorating and/or overcoming tumor drug resistance, wherein the composition comprises live cyanobacteria, and can produce oxygen when irradiated with light. Also provided are the use of cyanobacteria in the preparation of a reagent for improving the efficacy of an anti-tumor drug that causes tumor drug resistance due to hypoxia, and the use thereof in the preparation of a reagent or a drug for the combined treatment of tumor drug resistance.

Absstract of: KR20210062240A

본 발명은 미세조류의 성장을 촉진하는 미생물(Bacillus sp.)을 투입하여 폐수의 중금속(Cd, As, Zn, Pb, Cu, Cr, Fe )을 제거하는 수질정화방법과 수질정화장치에 관한 것으로서, 본 발명에 의해 높은 중금속 오염도를 갖는 미세조류의 성장에 해로운 환경에서도 미세조류의 성장을 촉진시키는 미생물을 활용해 중금속을 지속적으로 제거하는 효과를 얻었다. 이렇게 얻어진 바이오매스는 추가적인 중금속 처리용 바이오매스로 활용할 수 있다.

Absstract of: RO134974A2

The invention relates to a process for stimulating the production of biogas and biomethane in biomass codigestion processes within anaerobic bioreactors with batch or continuous feed. According to the invention, the process uses a microalgal biomass additive of the species Chlorella vulgaris added to the fermentation substrate in a concentration of 5% relative to the total solid mass, the fermentation substrate represented by a mixture consisting of beet root, potato residue, corn silage, manure and poultry manure being inoculated with liquid digestate, the whole codigestion process taking place in an installation containing a certain number of fermentation vessels made of brown glass with preset capacity, connected by teflon tubes tightly fixed by a gas collection bag, the bags being suspended on a frame support and the fermentation vessels being immersed in a thermostated water bath and conditioned at a temperature of 37±1°C for a fermentation period of 60 days, the biogas and biomethane productions being quantified and analyzed with a gas chromatograph equipped with a FID detector and a system of gas volume measurement by the displacement method, which allow the qualitative and quantitative comparative evaluation of the stimulating effect of the microalgal biomass additive on the production of biogas and biomethane.

Absstract of: WO2021100643A1

This electron carrier (30) comprises a modified cyanobacterium (31) that has at least one modification selected from (i) suppression or deletion of the function of a protein which participates in the binding of the outer membrane (5) to the cell wall (4) in the cyanobacterium, and (ii) expression of an organic substance channel protein (18) which improves the protein permeability of the outer membrane 5, wherein the modified cyanobacterium (31) supplies electrons to the outside and/or incorporates electrons from the outside.

Absstract of: WO2021100980A1

The present invention relates to a Chlorella vulgaris-derived salt-inducible promoter comprising the base sequence represented by SEQ ID NO: 1 and a use thereof. The promoter according to the present invention can be usefully employed such as in recombinant protein production using microalgae.

Absstract of: WO2021100640A1

The function of a protein that contributes to binding with an outer membrane (5) and a cell wall (4) in a cyanobacteria is suppressed or lost in this modified cyanobacteria.

Absstract of: WO2021100642A1

This modified cyanobacterium has expressed therein an organic matter channel protein (18) that improves protein permeability of an outer membrane (5).

Absstract of: KR20210061060A

본 발명은 배기가스를 공급받아 미세조류를 광배양하며, 건물 창에 설치되는 미세조류 광배양부, 건물창에서 설치되어 어류를 양식하는 아쿠아팜 및 상기 광배양부에서 생성되는 물질을 이용하여 바이오매스를 추출하는 바이오매스 추출부를 포함하며, 상기 바이오매스 추출부에서 추출되는 추출찌꺼기를 펠렛으로 제작하여 아쿠아팜의 사료로 공급하는 것을 특징으로 하는 도심 건물형 미세조류 광배양 및 아쿠아팜 하이브리드 시스템을 제공한다.

Absstract of: AU2019355498A1

A method for culturing a fresh water microalga, said method comprising a culture step for culturing the fresh water microalga in a medium, in which hydrogen ion concentration is adjusted to pH 1.0-6.0 and sodium ion concentration is adjusted to 0.1-0.4 M, at a culture temperature of 15-60

Absstract of: US2021145908A1

The present invention is directed to compositions comprising microalgae extracts comprising fucoxanthin. Further provided are compositions and methods for reducing lipid accumulation in cells. Also provided are methods for prevention or treatment of metabolic syndrome, including but not limited to a fatty liver disease, or a fatty kidney disease.

Absstract of: US2021146275A1

The present invention relates to the field of upgrading biomass, in particular algal biomass, and more specifically the present invention relates to a method for extracting water-soluble compounds from microalgae and/or cyanobacteria, as well as the product obtained by this method and the uses of same, in particular in the food industry or as food supplements.

Absstract of: US2021147791A1

Provided is an alga belonging to Cyanidiophyceae having a diploid cell and a haploid cell form. Also provided is a nutrient composition containing an alga belonging to Cyanidiophyceae or an extract thereof.

Absstract of: EP3594320A1

This apparatus (30) for the production of microalgae comprises a vessel (1) intended to receive a culture medium of the microalgae, and a lighting device (6) intended to be positioned in the vessel inside the culture medium. The lighting device (6) is configured to emit light at least in a range of wavelengths useful for the photosynthesis of the microalgae. The apparatus comprises a control system (15) for automatically controlling the light intensity emitted by the lighting device (6) as a function of the concentration of microalgae in the vessel (1).

Absstract of: WO2021089085A1

The invention relates to the production of microalgae biomass. The microalgae contained in a suspension of water and microalgae are continuously phototrophically or mixotrophically cultivated in a cultivation module (1), which is passed multiple times by the suspension and has a gas part and a liquid part with a liquid supply (3), by supplying light from at least one artificial light source (5) and nutrients. According to the turbidity established by sensors, volume fractions of the suspension are repeatedly discharged from the cultivation module (1) for the harvest of microalgae and removed by means of a centrifuge (7). The cultivation of the microalgae occurs in an climate chamber forming the cultivation module (1), which is operated using water. Alongside a regulating of the temperature of the suspension, there also occurs a regulating of its pH value via the controlled addition of buffer ions and a regulating of the redox potential of the suspension and thereby also of its microbial contamination by controlling the light and nutrient supply, as well of a metered addition of oxygen. In addition, after the removal of microalgae, the remaining suspension is irradiated with UV light in order to kill unwanted microbial contamination before being returned into the cultivation module (1).

Absstract of: US2021137825A1

Provided herein are compositions for skin care comprising cannabidiol, probiotics, and microalgae, optionally in a particular weight ratio. Optionally the compositions further comprise one or more of an antioxidant, a cleansing agent, an alcohol, an oil, and/or a flower or seed extract.

Absstract of: US2021130212A1

A resource treatment system for urine and feces separation and recovery in urine diversion dehydration toilets, includes a urine-faeces division toilet, a urine and gray water treatment system, and a fermentation and biodegradation fecal system. The urine-faeces division toilet is configured to separate and recover urine and feces discharged by users. The urine and gray water treatment system includes an adjusting pool, a microalgae culture device and a metal-based electrogenerated dynamic membrane. The adjusting pool is configured to receive the urine in the urine-faeces division toilet and domestic sewage, and adjust a urine-to-domestic sewage ratio. The metal-based electrogenerated dynamic membrane includes a metal microfiltration membrane, a stainless-steel mesh and a power supply. The fermentation and biodegradation fecal system includes a collection and adjusting device, a fermentation bed and a biodegradation chamber.

Absstract of: KR20210048907A

본 발명은 알긴산염 및 DMSO를 포함하는 사상형 남세균(filamentous cyanobacteria)의 동결보존용 조성물 및 상기 조성물을 이용한 사상형 남세균의 동결보존 방법에 관한 것으로, 본 발명은 종래 계대배양으로 관리되는 사상형 남세균의 생체배양 보존방법을 개선한 것으로, 본 발명의 동결보존용 조성물은 생물자원의 유지 및 관리에 유용하게 활용될 수 있을 것이다.

Absstract of: KR20210046412A

본 발명은 탈지미세조류 효소분해물을 유효성분으로 포함하는 화장료 조성물에 관한 것으로 미세조류를 탈지한 탈지미세조류를 유효성분으로 포함함으로써, 피부 미백 및 피부 재생에 효과가 있다.

Absstract of: WO2019244178A1

Plant (10) for growing algae, preferably microalgae, comprising a first processing unit (1 1) provided with culture means (14) configured to grow a biomass of algae, a second processing unit (12) configured to concentrate said biomass of algae, and a third processing unit (13) configured to cause, in the concentrated biomass of algae, under certain stress conditions, the transformation and accumulation of molecules of economic interest.

Absstract of: US2021115390A1

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 reinhardtii. Recombinant adeno-associated viruses are examples of recombinant viruses produced according to the invention.

Absstract of: WO2021076021A2

The inventions relate to biotechnology, and more particularly to a process and equipment for cultivating and producing a biomass from microalgae, primarily plankton. The essence of the group of inventions consists in that 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, and 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 culture mixture is illuminated cyclically, wherein the pH value of the culture mixture is maintained in a range of 8.5-9.5 throughout all of the cycles by adding a solution containing lactic acid bacteria to the culture mixture at the beginning of each light cycle, said solution having a pH value selected in a range of 3.5-4.0 and being added in an amount of 1-3 ml per litre of culture mixture. The group of inventions makes it possible to produce a finished product in 48 hours, 1 litre of which contains from 7 to 10 grams of raw microalgal mass.

Absstract of: US2021114906A1

The present invention provides a method for systematically controlling rapid proliferation of cyanobacteria cells in lakes in spring. The method applies physical, biological and chemical methods in an integrated and synergistic manner and includes using flexible enclosures to close a control water area and using modified soil to adsorb and settle algal cells; coupling four technologies including algae control by fish, algae control by biological floating islands, algae inhibition by plants and algae control by microorganisms; and using H2O2 to kill algae and using 40% FeCl3+CaCO3 and 50% Ca(NO3)2 to treat sediment. The method of the present invention has established a complete system for physical, chemical and biological control of algae, forms joint control of exogenous contaminants, endogenous contaminants and cyanobacteria, integrates physical, biological and chemical methods and optimizes systematic methods that are used synergistically.