Absstract of: AU2023256399A1
The present invention relates to high-protein microalgal biomass having excellent pepsin digestibility, a culture method and use thereof. A composition disclosed in the present invention has a high protein content, but also contains omega-3 fatty acids, which are useful fatty acids similar to those in fish meal, and thus can directly replace fish meal when mixing animal feed.
Absstract of: US2024190717A1
A method for promoting the rapid precipitation of travertine crystals by algae is disclosed. Microalgae is added to a body of water having a calcium ion concentration of 100-500 mg/L and stirred. The amount of microalgae is 0.1-8×108 cells/L. The invention adopts a method for promoting the rapid precipitation of travertine crystals by algae, which significantly improves the sedimentation rate of travertine crystals. At the same time, there are pseudomonas in the calcified water body of algae, which can be used for algae-lysing bacteria isolation and purification.
Absstract of: US2024189375A1
A composition is provided, including eukaryotic microalgae or an extract thereof for treatment of a viral disease such as coronavirus, and for use as an inhibitor of the binding of Spike protein receptor binding domain (RBD) to Angiotensin-Converting Enzyme 2 (ACE2). A compound derivable from the eukaryotic microalgae is also provided for treatment of a viral disease. A composition is also provided, including prokaryotic microalgae or an extract thereof for treatment of a viral disease.
Absstract of: KR20240083651A
본 발명은 미세조류를 이용하여 공기 내의산소 농도를 증가시키거나 먼지를 제거할 수 있으며, 계절에 따라 필요에 맞는 보조기능모듈을 선택적으로 장착할 수 있는 미세조류를 이용한 이산화탄소 저감 공기정화장치에 관한 것이다. 본 발명에 따른 미세조류를 이용한 이산화탄소 저감 공기정화장치는 내부에 유동공간이 마련되며, 상기 유동공간으로 외기가 유입될 수 있도록 유입구 및 배출구가 형성된 본체, 상기 본체에 설치되며 외기가 상기 유입구로 유입되어 상기 배출구로 배출되도록 강제 송풍하는 송풍유닛, 상기 유동공간 내에 설치되며, 내부에 미세조류가 생장하는 배양액이 수용되는 저수공간이 마련되는 배양수조를 포함하는 배양유닛, 상기 유동공간으로 유입된 외기중 이물질을 걸러낼 수 있도록 상기 배양수조에 수용된 배양액 중 일부를 상기 유동공간을 통과하는 외기와 접촉시킨 다음 상기 배양수조로 회귀시키는 접촉유닛 및 상기 본체의 내부에 설치되는 모듈장착부와, 상기 모듈장착부에 착탈 가능하게 결합되며 계절이나 설치 장소의 필요에 따라 보조기능을 제공할 수 있는 보조기능모듈을 포함하는 보조기능모듈유닛을 구비한다.
Absstract of: CN118164610A
The invention provides a preparation method of phycomycete symbiotic aerobic granular sludge, which comprises the following steps: S1, preparing dewatered sludge as a base material, and respectively culturing chlorella and jania rubens to obtain chlorella solution and jania rubens solution as base materials; s2, adding the chlorella solution and the jania rubens solution into the dewatered sludge, and stirring to obtain a mixture; s3, preparing the mixture into granular sludge, drying and demolding to obtain microalgae-dewatered sludge granules; and S4, inoculating the microalgae-dewatered sludge particles into an illumination sequencing batch reactor, and carrying out circulating operation according to a sequence of water feeding, anaerobic stirring, aeration, sedimentation, drainage and idling, so as to obtain the phycomycete symbiotic aerobic granular sludge. The invention solves the problems of long starting period, high energy consumption and easy loss of biomass of phycomycete symbiotic aerobic granular sludge. The invention provides the preparation method which is simple in preparation and low in cost, and the cultured particles have the advantages of large particle size, stable particle structure, good settleability and the like.
Absstract of: KR20240083156A
발명은 담수 유래의 미세조류 추출물을 유효성분으로 함유하는 조성물에 관한 것으로, 보다 상세하게는, 이를 포함하는 피부 재생, 주름 개선 또는 창상 치료용 조성물에 관한 것으로, 본 발명의 미코나스테스 속(Mychonastes sp) 미세조류 249-CDJ180227T KCTC 14802BP의 초음파 추출물은 폴리페놀, 폴라보노이드 함유량이 높고, 자외선에 의한 항산화와 자유라디칼에 의한 항산화 효과가 우수하며, 콜라게네이즈 저해활성 뿐만 아니라 콜라겐 분해효소인 MMP-1의 발현을 억제하여 생체의 콜라겐 분해를 억제하고 피부조직의 탄력을 강화하고 주름 생성을 방지할 수 있을 뿐만 아니라 세포 상처치료(Wound Healing)에 우수한 효과를 달성할 수 있다.
Absstract of: CN118165906A
The invention provides a recombinant bacterium for producing 3-hydracrylic acid by directly utilizing waste carbon dioxide as well as a construction method and application of the recombinant bacterium, discloses nucleotide sequences of a malonyl-CoA reductase gene MCR and a malonic semialdehyde reductase gene MSR which are obtained by performing codon optimization on thermophilic cyanobacteria E542, and belongs to the technical field of gene engineering. Aiming at biosynthesis of 3-hydracrylic acid, the invention provides recombinant thermophilic cyanobacteria for biosynthesis of 3-hydracrylic acid by directly utilizing waste carbon dioxide as a raw material, and the strain is obtained by introducing a malonyl-CoA reductase gene MCR and a malonic semialdehyde reductase gene MSR into thermophilic cyanobacteria E542 through free shuttle plasmids. The recombinant thermophilic cyanobacteria prepared by the invention realizes biosynthesis of 3-hydracrylic acid by directly utilizing waste carbon dioxide as a raw material, the method is safe in production, environment-friendly, low in cost and sustainable, and a new thought is provided for further green and renewable production of 3-hydracrylic acid.
Absstract of: CN118165860A
The invention relates to the field of water treatment, and discloses application of porphyrin haemogenes in improvement of antibiotic stress adaptability of microalgae. Firstly, it is found for the first time that porphyrin haematogenes can significantly improve the antibiotic stress adaptability of microalgae, so that after porphyrin haematogenes and microalgae are co-cultured, the antibiotic removal capacity can be significantly improved, and the wastewater treatment time is shortened; secondly, it is found for the first time that the porphyrin haematogenes can secrete VB12, and it is found for the first time that the porphyrin haematogenes can promote microalgae growth through the VB12 and the adaptability of the porphyrin haematogenes to antibiotic stress.
Absstract of: CN118166024A
The invention discloses an algal strain for overexpressing a thioredoxin superfamily gene PtTrxL and a construction method of the algal strain, and belongs to the technical field of microalgae gene engineering. The construction method comprises the following steps: (1) taking phaeodactylum tricornutum, extracting RNA (Ribonucleic Acid), synthesizing cDNA (Complementary Deoxyribonucleic Acid), and carrying out PCR (Polymerase Chain Reaction) amplification by utilizing a primer PtTrxL-F and a primer PtTrxL-R to obtain a target gene with a nucleotide sequence as shown in SEQ ID NO: 1; (2) carrying out enzyme digestion and purification on the expression vector plasmid, and connecting and transforming the expression vector plasmid with a target gene to construct a recombinant plasmid; and (3) centrifuging the chlorella vulgaris cultured to the logarithmic phase, adding the linearized recombinant plasmid, and performing electric shock, culture, resuspension and screening to obtain an algae strain of the over-expression thioredoxin superfamily gene PtTrxL. The method has the beneficial effects that a transformed algal strain for overexpressing the phaeodactylum tricornutum Thioredoxin-like (TrxL) gene is provided, and a foundation is laid for further research on the action mechanism of PtTrxL participating in chlorella chloroplast photosynthetic protein oxidation regulation.
Absstract of: CN221117394U
The utility model discloses a storage device suitable for converting light energy into electric energy in microalgae culture, which comprises a culture box body, an observation window is arranged on the front side of the culture box body and is made of glass, the top end of the culture box body is fixedly connected with a ventilation pipe, one side of the ventilation pipe is provided with a cover plate, and the cover plate is fixedly connected with the culture box body. The cover plate is fixedly connected with the top end of the incubator body through a hinge, and a photosynthesis promoting mechanism is arranged in the incubator body. The photosynthesis promoting mechanism is arranged in the incubator body, and the motor runs to drive the screw rod to rotate and promote the pulley to slide in the slide rail, so that the fluorescent lamp annularly moves around the photosynthesis frame, the absorption and utilization efficiency of light energy can be improved to the maximum extent, the photosynthesis of microalgae is promoted, and the utilization efficiency of the light energy is improved; and the energy waste is reduced.
Absstract of: CN221117183U
The utility model discloses a microalgae treatment device for mariculture wastewater purification and biodiesel conversion. The microalgae treatment device comprises a water storage unit, a microalgae treatment unit and a microalgae separation unit, the water storage unit comprises a water storage tank, the water storage tank comprises a cleaning system, the cleaning system comprises a screen located at the bottom of the water storage tank and a cleaning assembly in the water storage tank, and the cleaning assembly comprises a center driving shaft body and a scraper blade. The microalgae treatment unit comprises a photobioreactor and an aeration system, a sunlight lamp is arranged in the center of the photobioreactor and wrapped by a transparent optical acrylic pipeline, microalgae are planted in the transparent optical acrylic pipeline, a water inlet is formed in the bottom of the transparent optical acrylic pipeline and connected with a water storage tank, and a water outlet is formed in the top end of the transparent optical acrylic pipeline; and the aeration system is used for supplying CO2 to the photobioreactor by conveying an aeration pump to an aerator through an aeration pipe. The microalgae separation unit comprises a magnetization system and a separation system. The device solves the problems of insufficient illumination utilization, low microalgae utilization rate and difficult microalgae separation.
Absstract of: CN118166025A
The invention discloses an algal strain for overexpressing a quinone oxidoreductase gene PtQOR and a construction method of the algal strain, and belongs to the technical field of microalgae gene engineering. The construction method comprises the following steps: (1) taking phaeodactylum tricornutum, extracting RNA (Ribonucleic Acid), synthesizing cDNA (Complementary Deoxyribonucleic Acid), and carrying out PCR (Polymerase Chain Reaction) amplification by utilizing a primer PtQOR-F and a primer PtQOR-R to obtain a target gene with a nucleotide sequence as shown in SEQ ID NO: 1; (2) carrying out enzyme digestion and purification on the expression vector plasmid, and connecting and transforming the expression vector plasmid with a target gene to construct a recombinant plasmid; and (3) centrifuging the chlorella vulgaris cultured to the logarithmic phase, adding the linearized recombinant plasmid, and performing electric shock, culture, resuspension and screening to obtain an algae strain of the overexpression quinone oxidoreductase gene PtQOR. The method has the beneficial effects that a transformed algal strain for overexpressing the phaeodactylum tricornutum QOR gene is provided, and a foundation is laid for expression and function research of PtQOR in the process of producing nano-selenium from chlorella.
Absstract of: CN118145803A
The invention discloses a multi-stage tandem bacteria-algae biological membrane purification device and method for treating pig farm biogas slurry, and belongs to the technical field of sewage treatment. The device comprises a bacteria-algae bio-membrane reactor, a microalgae sedimentation tank and a bacteria-algae particle collection device, the bacterial-algae bio-membrane reactors are arranged in series, the bacterial-algae bio-membrane reactor at the tail end is communicated with the microalgae sedimentation tank, and the bottom of each bacterial-algae bio-membrane reactor is connected with a bacterial-algae particle collection device; each of the bacteria-algae biofilm reactor and the microalgae sedimentation tank comprises a light source and a suspended filler, the suspended filler is inoculated with a bacteria-algae symbiotic system and is located in the bacteria-algae biofilm reactor and the microalgae sedimentation tank, and the light source is used for providing uniform illumination for the bacteria-algae symbiotic system. The bacterial-algae symbiotic biological membrane system is introduced into a sewage treatment system, and a bacterial-algae symbiotic biological membrane with a stable structure is formed on the surface of a carrier by utilizing a bacterial-algae directional adsorption characteristic, so that the treatment effect of pig farm biogas slurry is enhanced, and the biomass collection effect is improved.
Absstract of: CN221094137U
The utility model relates to the technical field of microalgae culture, in particular to a microalgae culture device which comprises a base and a culture tank, gear discs which are uniformly distributed are arranged above the base, the gear discs are meshed with one another, rotating discs are fixedly connected in the gear discs, the bottoms of the rotating discs are rotatably connected with the base, and the culture tank is fixedly connected with the base. A culture tank is fixedly connected to the interior of the rotating disc; a motor is further fixedly connected to the center of the interior of the base, a rotating shaft is fixedly connected to the free end of the motor, a driving gear is fixedly connected to the outer side of the rotating shaft, and the outer side of the driving gear is meshed with a gear disc; through the arrangement of the cylindrical culture tank, sunlight can irradiate through the side surface of the culture tank, so that bottom microalgae in the culture tank can be in contact with the sunlight, and normal growth of the microalgae is ensured; through rotation of the culture tank, microalgae in different directions of the culture tank can be in contact with sunlight conveniently, and normal growth of the microalgae is guaranteed.
Absstract of: CN221094140U
A suspension type microalgae culture tube belongs to the technical field of microalgae culture and comprises a wind gathering device arranged on a compression tank, an air filtering device arranged in the compression tank is connected behind the wind gathering device, and the air filtering device conveys air into the compression tank through an air compressor arranged on the compression tank. A heating device for heating compressed air is arranged on the compression tank; a microalgae culture pipeline connected through a first one-way electromagnetic valve is arranged on the compression tank, the microalgae culture pipeline comprises a bubbling pipe, an illumination pipe and a storage box, and air in the compression tank is fed into the bubbling pipe. And the influence of external environmental factors is reduced in a closable container. And the temperature in the microalgae culture pipeline comes from gas with temperature, so that the problem that the dissolved amount of carbon dioxide gas in the microalgae solution is reduced when the temperature of the microalgae solution is increased in the prior art is solved.
Absstract of: CN118147007A
The invention discloses a microbial agent for treating septic tank water and a preparation method thereof. The microbial agent comprises the following strains in percentage by weight: 10-20% of bacillus amyloliquefaciens, 15-25% of bacillus subtilis, 10-20% of bacillus licheniformis, 10-20% of bacillus mucilaginosus, 15-20% of streptomyces microflavus, 10-20% of cyanobacteria, 5-25% of nitrate degrading bacteria and 5-15% of bacillus aceticus. According to the microbial agent for treating septic tank water and the preparation method thereof, malodorous gas in a septic tank can be effectively and rapidly removed, breeding of harmful microorganisms in the septic tank can be inhibited, rapid decomposition of garbage in the septic tank can be promoted, the pollution conditions of pathogenic bacteria, COD, ammonia nitrogen, total nitrogen and total phosphorus in water can be rapidly improved, and the microbial agent has the advantages of being safe and reliable. And the emission requirement is met.
Absstract of: CN118140801A
The invention relates to the field of CO2 emission reduction, in particular to a biological method for converting CO2 in flue gas into organic matters, which comprises the following steps: (1) microalgae culture: establishing a microalgae culture facility, culturing microalgae by using CO2 flue gas, and replacing part of nutritive salt with flue gas treatment wastes such as desulfurization and denitrification waste liquid; (2) microalgae concentration: concentrating the microalgae culture solution in an ultrafiltration form, returning the concentrated supernatant to the microalgae culture facility, supplementing the nutritive salt, and continuing to culture the microalgae; the concentrated wet microalgae feed is used as fish feed for later use; and (3) fish culture: establishing a fish culture facility, communicating the fish culture facility with the microalgae culture facility, synchronously culturing fishes, and converting CO2 into fish protein which is easy to harvest. According to the method, the algae-fish synergistic technology is adopted for biological carbon sequestration, CO2 is utilized for microalgae culture, microalgae is further utilized for fish culture, then CO2 is converted into fish easy to capture, and finally CO2 is converted into organic matter.
Absstract of: CN118145805A
The invention discloses a method for treating micro-polluted water by using a titanium dioxide coupled microalgae composite material. The titanium dioxide coupled microalgae composite material comprises a hollow spherical framework and polyurethane sponge arranged in the hollow spherical framework, a titanium dioxide photocatalyst is attached and fixed on the surface of the hollow spherical framework; microalgae are domesticated and fixed on the outer surface and the interior of the polyurethane sponge. After the composite material is put into ammonia-nitrogen wastewater with medium and low concentration, the skeleton floats in water and continuously spin, so that titanium dioxide is excited by ultraviolet light to generate active superoxide ion free radicals and hydroxyl free radicals, bacteria can be effectively killed, and adhesion growth of an outer biological membrane is prevented. The titanium dioxide photocatalyst attached and fixed to the surface of the framework enables degradation-resistant organic matter in water to be subjected to photocatalytic oxidation into degradation-resistant organic matter capable of being utilized by microorganisms and algae in the micro-polluted water source, the internal microalgae produce organic matter through photosynthesis, oxygen is released, and deep treatment of the micro-polluted water source is achieved.
Absstract of: WO2024114951A1
The present invention is directed to a biologic composition for providing sunscreen protection. More particularly, the invention is directed to a composition comprising a green seaweed from the genus Chlorella or a composition derived thereof and a cyanobacteria from the species Arthrospira maxima or a composition derived thereof. The invention particularly relates to the field of cosmetics and/or beauty products.
Absstract of: WO2024118002A1
The invention relates to a photobioreactor system that reduces pollutant gases, mainly ammonia and carbon dioxide, released in poultry houses with microalgae and reduces dust and particulate matter in the internal environment of the poultry house, and also creates a brighter and more spacious environment for animals in the internal environment, while creating an insulation effect on the exterior of the poultry house by integrating into the exterior wall.
Absstract of: AU2024203308A1
Abstract A probiotic formulation is provided including one or more bacteria, bacterial strains or bacterial species of the genus Veillonella, genus Faecalibacterium, genus Phascolarctobacteria, genus Oscillospira, genus Ruminococcus, genus Bacteroides, genus Blautia, family Christensenellaceae, genus Dialister, or phylum cyanobacteria.
Absstract of: US2024182337A1
A system that relates to the technical field of sewage purification includes microalgae culturing pond and constructed wetland that are connected in series. A microalgae capturing filler is arranged in the microalgae culturing pond, algae-containing water obtained from microalgae capturing filler is communicated with the constructed wetland for oxygen transfer and forming algal-bacterial mutualistic symbiosis for strengthened pollutant removal, and part of captured microalgae is introduced into an anoxic denitrification functional area away from a surface in constructed wetland by flow guide pipe. Microalgae culture and sewage purification are realized in microalgae culturing pond by taking sewage as a culture medium, 80% or more of the microalgae biomasses in microalgae culturing pond are recovered with low cost, part of microalgae is introduced into the anoxic denitrification functional area away from the surface in the constructed wetland, and lytic algae cells serving as a carbon source promote denitrification in the wetland.
Absstract of: KR20240079421A
본 발명은 양단이 개방되고 내부 중앙에 격벽을 갖으며 하방으로 돌출된 개구부를 갖는 제1연결파이프(210)가 일렬로 하면에 형성된 상부파이프(200), 양단은 캡(320)으로 밀폐되고 상방으로 돌출된 개구부를 갖는 제2연결파이프(310)가 일렬로 상면에 형성된 하부파이프(300), 및 상기 제1연결파이프(210)와 상기 제2연결파이프(310) 사이에 양단부가 삽입되고 내부에 길이방향의 중공(102)이 형성되어 상기 중공에 엘이디모듈(50)이 삽입된 광확산부(103)를 포함하는 내부광원봉(100)을 포함하는 사다리형 광원공급모듈(500); 및 상기 상부파이프(200)의 양단이 수직측벽 상단에 거치되고 상기 내부광원봉(100)이 내부로 삽입되는 수조(1)를 포함하는 냉각효율이 개선된 전력감소형 미세조류 배양용 광배양기를 제공한다.
Absstract of: KR20240079405A
본 발명은 상부 외면에 체결홈(101)이 형성되고 내부에 길이방향의 중공(102)이 형성되어 상기 중공에 상기 엘이디모듈(50)이 삽입된 광확산부(103)를 포함하는 복수의 내부광원봉(100), 저면에 장방향으로 형성된 거치면(202)을 갖는 삽입홈(201)에 상기 복수의 내부광원봉의 상부를 일렬로 고정지지하는 C형강 거치대(200), 및 C형강 거치대의 거치면(202)과 밀착되며 상기 광확산부의 체결홈(101)에 삽입되어 상기 내부광원봉의 상단을 압착고정하는 C형 클립(110)을 포함하는 광원공급모듈(500); 및 상기 C형강 거치대의 양단이 상단면에 거치되어 상기 복수의 내부광원봉(100)이 수조내부에 일렬로 삽입되는 수조를 포함하는 것을 특징으로 하는 배양효율이 개선된 미세조류 배양용 광배양기를 제공한다.
Nº publicación: EP4377440A1 05/06/2024
Applicant:
NESTLE SA [CH]
Soci\u00E9t\u00E9 des Produits Nestl\u00E9 S.A
Absstract of: CN117642498A
The present invention relates to a method of manufacturing a product suitable for human consumption, the product comprising partially cleaved microalgae, the method comprising a) preparing a suspension of microalgae wherein the microalgae belong to a phylum selected from the group consisting of chlorophylum, brown phylum and unequal flagellum; b) applying a pulsed electric field to the microalgae suspension, wherein the pulsed electric field has a specific energy input between 25 kJ/kg suspension (kg su-1) and 150 kJ/kg suspension; c) optionally treating the microalgae with an enzyme; d) incubating the biomass suspension at 4 DEG C to 37 DEG C at 300 rpm for 6 hours to 48 hours; e) forming a biomass that partially lyses the microalgae; and f) adding the biomass of the partially cracked microalgae to a product suitable for human consumption.