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175
results.
Updated on
23/10/2026 [07:32:00]
Results 25 to 50 of 175
Absstract of: EP4803075A1
0001 Provided are compositions and drug delivery systems containing extracellular vesicles from microalgae (MEVs) that are loaded with bioactive cargo. The MEVs are formulated and administered by a variety of routes of administration and have a variety of applications as therapeutics, including as vaccines, as anti-cancer therapeutics, as therapeutics for psychiatric diseases, disorders, and conditions as diagnostics, and other such uses.
Absstract of: MX2026000440U
Disclosed is a cylindrical dual lighting bioreactor designed for the cultivation of microalgae and the capture of carbon dioxide. The device comprises a transparent cylindrical acrylic body with a diameter of 30 cm and a metal feeder base which is mechanically engaged by means of a male-female tab system. The base includes a high-intensity artificial lighting system formed by four vertically oriented foci, allowing uninterrupted photosynthesis during the absence of sunlight. It also includes an aeration system consisting of a pump and a hose with a longitudinal path ascending to the top and descending towards the centre of the inner base to generate bubbling. This structural configuration optimizes light distribution, nutrient availability and gas exchange in the culture medium, solving the limitation of atmospheric carbon capture in conventional low efficiency systems.
Absstract of: WO2026181093A1
Components of oily sludge contaminate the environment, disrupt the endocrine system, and are carcinogenic. Proper and complete treatment of the oily sludge followed by its safe disposal is essential to minimize environmental impact and protect human health. Existing treatment methods for oily sludge include incineration, landfilling, pyrolysis, and supercritical water oxidation; however, these techniques are energy-intensive, costly, and pose higher risks of environmental pollution. The present invention discloses a novel process for oily sludge degradation using a mild hydrothermal-assisted microalgae-based phycoremediation strategy. The method achieves 70– 75% degradation of long-chain aromatic and aliphatic hydrocarbons within 4–6 weeks. The degradation efficiency may further increase when the treatment period exceeds 6 weeks. Compared with conventional energy-intensive technologies for oil sludge treatment, the proposed method is more economical, environmentally sustainable, and suitable for long-term scale-up, with added potential for revenue generation.
Absstract of: MX2025002029A
The invention relates to a method for preparing a microencapsulated astaxanthin powder product resulting from the production of microalgal biomass, in which micro and nanoemulsions are formed, which by means of a spray drying process, performs micro and nanoencapsulation. In the present invention, the use of astaxanthin obtained by the production of microalgal biomass of Haematococcus pluvialis is proposed. The invention proposes a practical way to protect antioxidants such as astaxanthin from Haematococcus pluvialises microalgae by micro and nano encapsulation by means of spray drying of emulsions, since in this way the bioavailability of its compounds can be improved. The development of stable emulsions involves an appropriate use of its components and mainly of the stabilizer.
Absstract of: CN122648200A
The invention relates to a microalgae cultivation and processing integrated system based on photovoltaic power generation and an operation method. The system comprises a photovoltaic power generation unit, an electric energy distribution unit, a solid heat storage unit, a microalgae culture unit and a microalgae processing unit, the output end of the photovoltaic power generation unit is connected to the input end of the electric energy distribution unit; the output end of the electric energy distribution unit is connected to a power grid, the electric heating input end of the solid heat storage unit and a light supplementing device of the microalgae cultivation unit. The heat energy output end of the solid heat storage unit is connected to a heat supply pipeline of the microalgae culture unit and a drying and dewatering device of the microalgae processing unit; and the controller is used for controlling the power distribution direction of the electric energy distribution unit and the heat release valve of the solid heat storage unit according to the temperature, illumination requirements and photovoltaic power generation power of the microalgae culture unit. According to the system, a'power generation-utilization-storage 'closed loop of photovoltaic power generation is realized, and the comprehensive utilization rate of energy is improved.
Absstract of: CN224692082U
The utility model relates to the field of microalgae research experiments, in particular to a research experiment device for biocompositions in microalgae, which comprises a placing frame, a cover frame rotatably connected to the placing frame, four color filter glass plates rotatably arranged at the top of the cover frame, four liquid storage cups placed in the placing frame, and a placing rack slidably connected to the liquid storage cups. An air inlet frame is arranged in the middle inside the placing frame, and an air outlet pipe is connected between the air inlet frame and the liquid storage cup. According to the utility model, the fine control capability of the microalgae culture process is obviously optimized through the modular structural design, the unique color filtering system can conveniently switch precise wave bands, the directional activation potential of specific spectrums such as red light on algae metabolism is fully explored, and the integrated silicon carrier placing rack realizes slow release and efficient utilization of nutrient elements, so that the utilization rate of the microalgae culture process is improved. And sudden concentration change interference is avoided.
Absstract of: CN224692067U
The utility model relates to the related technical field of microalgae culture, in particular to a microalgae photo-biological reaction device which comprises a photo-reaction assembly and a light source assembly, and the photo-reaction assembly is characterized in that a glass cylinder is arranged at the top of a base; the rotating assembly is arranged at the bottom end of the outer side of the glass cylinder; the spiral lamp tube is arranged on the rotating assembly and located on the outer side of the glass cylinder. A cleaning assembly is arranged on the rotating assembly and located between the spiral lamp tubes, and the cleaning assembly comprises a supporting plate arranged on the rotating assembly and located between the spiral lamp tubes; the threaded rod penetrates through the supporting plate and is in threaded connection with the supporting plate; the cleaning sponge is arranged at one end of the threaded rod; the limiting rod is symmetrical to one side of the cleaning sponge, and a through groove matched with the limiting rod is formed in the supporting plate; the spraying head is arranged at the top of the base, the outer side wall of the glass cylinder is conveniently cleaned through the cleaning assembly, the cleaning effect on the outer side wall of the glass cylinder is improved, and the irradiation intensity of the spiral lamp tube on microalgae is guaranteed.
Absstract of: CN122648201A
The invention discloses an algae biological rotating disc system and a method for treating aquaculture tail water and harvesting microalgae by using the system. An algae organism rotating disc system comprises a reaction tank body, a rotating disc assembly and a harvesting device, the rotating disc assembly is arranged in the reaction tank body, the rotating disc assembly comprises a rotatable rotating shaft and a rotating disc fixed on the rotating shaft, the rotating shaft is arranged in the reaction tank body in a penetrating mode to enable the rotating disc assembly to rotate relative to the reaction tank body, and the rotating disc comprises a disc piece and a carrier layer. A supporting surface is arranged on the disc, the carrier layer is detachably fixed on the supporting surface, and the surface water contact angle of the carrier layer is gt; the harvesting device comprises a scraping plate or a scraping knife and a collecting container for collecting algae mud. The culture tail water is used as a culture medium for microalgae biomass production, algae mud with the water content of 70%-85% and the microalgae purity larger than or equal to 80% can be harvested and obtained, the algae mud can be used for protein feed, bait or biodiesel raw materials, and sewage purification is synchronously achieved.
Absstract of: CN122648259A
The invention relates to the technical field of low-carbon energy, in particular to a method and system for driving microalgae carbon sequestration by utilizing ion exchange to capture carbon dioxide regeneration liquid, and the method comprises the following steps: eluting saturated copper amine complex ion exchange resin loaded with atmospheric carbon dioxide by adopting an alkaline regenerant, and collecting carbon-rich regeneration liquid rich in sodium bicarbonate; measuring the total inorganic carbon content in the carbon-rich regenerated liquid, and confirming that the inorganic carbon form is mainly bicarbonate radical; the associated coexisting salt ions in the carbon-rich regenerated liquid are regulated and controlled, and the strength of the salt-based ions is controlled through directional dilution or proportional matching, so that the inhibition effect of high salinity on microalgae is eliminated; and adding the regulated regenerated liquid as a carbon source into a spirulina photobioreactor, controlling the initial inorganic carbon concentration to be 0.1 mol/L, and culturing spirulina for carbon sequestration. According to the invention, a full chain of a DAC trapping end and a biological utilization end is broken through, the purpose of treating waste with waste is realized, and the purchase cost of carbon source raw materials for microalgae industrialization carbon sequestration is greatly reduced.
Absstract of: WO2026177421A1
The present invention relates to: a method for preparing a highly functional DNA fragment mixture derived from microorganisms (yeast, microalgae, lactic acid bacteria, and the like); and a functional composition comprising a DNA fragment mixture prepared thereby. Specifically, the present invention relates to the preparation of a DNA fragment mixture having a uniform size within a certain range by using a specific restriction enzyme in microorganisms (yeast, microalgae, lactic acid bacteria, and the like). According to the present invention, a functional composition may be provided, which comprises the DNA fragment mixture as a main ingredient, and exhibits excellent effects in filling an interstitial scaffold, improving skin condition, regenerating tissue, healing wounds, moisturizing, promoting ECM synthesis, inhibiting cellular senescence, forming new blood vessels, alleviating inflammation, relieving pain, treating dermatitis such as atopy, inhibiting hair loss, promoting hair growth, and promoting stem cell activity.
Absstract of: WO2026177699A2
The invention relates to a method for producing a micro gas bubble immobilised microalgae culture for the removal of nitrogen and phosphorus in water and wastewater treatment. Said microalgae use nitrogen and phosphorus as nutrients while simultaneously forming biomass that can be used as a raw material for energy and other products. The method that is the subject of the invention enables the microalgal biomass to remain stable at the water surface by being immobilised with micro gas bubbles. In this way, the microalgae are able to receive the light required for photosynthesis and can be easily removed after the treatment process. This innovative approach aims to increase the efficiency of treatment processes while reducing energy consumption and operating costs.
Absstract of: KR20260129263A
본 발명은 미세조류를 이용한 퍼플루오로옥탄산의 제거 방법에 관한 것이다. 본 발명자들은 미세조류를 이용하여 친환경적으로 퍼플루오로옥탄산(perfluorooctanoic acid, PFOA)을 제거하고 오염된 미세조류를 바이오매스로 활용하기 위한 방법을 개발하고자 예의 연구 노력하였다. 본 발명의 S. quadricauda을 이용한 퍼플루오로옥탄산(PFOA)의 제거방법 및 바이오디젤 생산 방법을 이용하는 경우, PFOA를 효과적으로 제거하고 기존 PFOA 제거 방식이 갖던 한계점을 극복할 수 있으며, PFOA 제거 후 오염된 S. quadricauda을 이용하여 바이오디젤 생산 효율을 증진시킬 수 있으므로 산업상 활용 가치가 높다고 판단된다.
Absstract of: CN122627626A
The invention belongs to the technical field of environmental engineering, and particularly relates to a method for cooperatively treating pollutants based on bacteria and algae of coal-based solid waste. The method comprises the following steps: constructing a coal-based solid waste unit and carrying out primary treatment on to-be-treated wastewater; constructing an algal-bacterial symbiotic unit comprising tolerant microalgae and functional bacteria; carrying out biological treatment on the wastewater; arranging a CO2 regulation and control unit to add CO2 into the treatment system so as to regulate the pH value of the system; an internal circulation reflux unit is arranged to sequentially reflux a water body in the algal-bacterial symbiosis unit to the CO2 regulation and control unit and the coal-based solid waste unit, so that a nutritive salt concentration signal and a pH signal are transmitted between the coal-based solid waste unit and the algal-bacterial symbiosis unit; the algal biomass in the algal-bacterial symbiosis unit is regularly harvested. The coal-based solid waste unit is used for preliminary interception; the algal-bacterial symbiosis unit treats organic matters; and a closed-loop regulation and control path is formed by combining a regulation and control system with internal circulation reflux, so that low-energy-consumption and high-efficiency treatment of the coal-based solid waste wastewater and resource utilization of the algae biomass are realized.
Absstract of: CN122623622A
The invention relates to the technical field of zooplankton culture, and discloses a culture method of cyclops zooplankton and blue light source application, and the culture method comprises the following steps: inoculating the cyclops zooplankton in a culture water body and feeding microalgae for culture until the cyclops zooplankton reaches the harvest density; a blue light source is used for irradiating the culture water body in a bright and dark alternating mode in the culture process. According to the method, on the basis of conventional water quality management and microalgae feeding, the blue light source with the specific wavelength is adopted for alternately irradiating the culture water body of the cyclops zooplankton in a bright and dark mode, the internal breeding mechanism of the cyclops is regulated, controlled and optimized through light stimulation of the blue light source with the specific narrow wave band, the population density of the cyclops is effectively improved, and the breeding efficiency of the cyclops is improved. The method has the advantage of remarkably improving the yield and the production efficiency of cyclops zooplankton culture.
Absstract of: CN122629245A
The invention discloses a microalgae culture-photovoltaic greenhouse photo-thermal conversion type heat and power cogeneration system and method, and relates to the field of microalgae culture, a microalgae culture solution is used as a selective spectrum filtering and photo-thermal conversion medium, and a collaborative optimization algorithm based on a dynamic optical model and output prediction is executed according to an optical density value and ambient light intensity, so that the microalgae culture-photovoltaic greenhouse photo-thermal conversion type heat and power cogeneration system is obtained. According to the collaborative optimization algorithm, a joint optimization target is constructed by using the total energy efficiency of the photo-thermal conversion type combined heat and power system and the specific growth rate of microalgae, and the optimal culture solution circulation flow rate and the optimal photovoltaic module inclination angle are solved on line. By precisely regulating and controlling the thickness of the liquid film of the microalgae culture solution and the dip angle of the photovoltaic module, selective utilization of sunlight wave bands is achieved, the requirements of microalgae photosynthetic growth and photovoltaic power generation are considered, and the spectrum utilization efficiency is improved. Through a collaborative optimization algorithm and dynamic weight adjustment, dynamic balance between microalgae growth and system productivity
Absstract of: CN122628770A
The invention discloses an inorganic mineral reinforced microalgae biological crust as well as a preparation method and application thereof, and the preparation method comprises the following steps: carrying out expanding culture on spirulina to obtain a high-density spirulina liquid; centrifuging and harvesting the high-density spirulina liquid, removing supernate, and resuspending the spirulina precipitate in a BG11 culture medium to obtain spirulina liquid; adding calcium silicate powder and kaolinite powder into the spirulina liquid, and stirring until the materials are uniformly mixed to obtain IM-EMB composite inoculation slurry; the IM-EMB composite inoculation slurry is evenly sprayed on the surface of the heavy metal contaminated soil, and the mass ratio of the IM-EMB composite inoculation slurry to the heavy metal contaminated soil is controlled to be larger than 0.2; and after spraying, supplementing water and preserving moisture, and continuously culturing for not less than 15 days to form the stable inorganic mineral reinforced microalgae biological crust. According to the method, high efficiency and stabilization of heavy metal fixation of the polluted surface soil in the mining area are achieved, and remarkable improvement of the erosion resistance of the surface soil and great improvement of the physical and chemical properties of the soil are promoted.
Absstract of: CN122641675A
The present invention relates to the use of a novel strain of Chlorella vulgaris of the microalgal species for the production of lutein and zeaxanthin, as well as to a method for obtaining same.
Absstract of: CN122629095A
The invention relates to the technical field of gene engineering, and particularly discloses a chlamydomonas reinhardtii SnRK2.7 gene and application thereof in adapting to osmotic stress and maintaining cell survival. The invention discloses a key biological function of the SnRK2.7 gene in maintaining chlamydomonas cell homeostasis for the first time. The gene is knocked out through a CRISPR/Cas9 gene editing technology, and an expression cassette driven by an endogenous promoter is adopted for genetic refilling, so that the SnRK2.7 is proved to positively regulate the osmotic stress tolerance of the cells and maintain the long-term survival of the cells. In addition, it is found for the first time that the SnRK2.7 protein is specifically located in the chlamydomonas, and direct space evidence is provided for the cell function of the chlamydomonas. The discovery not only expands the understanding of a chlamydomonas osmotic stress signal transduction mechanism, but also provides a new gene target and a research tool for the improvement of the adversity adaptability of microalgae, and has important fundamental research value and biotechnology application potential.
Absstract of: CN122628883A
The invention relates to mine ecological restoration liquid as well as a preparation method and application thereof. The preparation method of the mine ecological restoration liquid comprises the following steps: collecting a soil sample and mine gushing water in a to-be-restored mine; inoculating the soil sample in a first algae culture medium, and carrying out enrichment, separation and purification treatment to obtain a microalgae strain; and inoculating the microalgae strain into a culture medium containing the mine gushing water, and culturing to prepare the mine ecological restoration liquid. According to the preparation method, the territory microalgae strains are screened by utilizing the soil environment of the mine to be restored, and the mine gushing water of the territory is used as a culture medium for expanding culture, so that the mine ecological restoration liquid with excellent mine ecological restoration efficiency can be prepared at low cost.
Absstract of: CN224678037U
The utility model provides a photobioreactor which comprises a buffer container, a reactor pipeline and a driving device, and the buffer container is provided with a buffer container side wall extending along a first direction and a buffer cavity; the reactor pipeline comprises a reactor pipeline main body, a pipeline liquid outlet pipe and a pipeline liquid inlet pipe, the pipeline liquid outlet pipe is provided with a pipeline liquid outlet, the pipeline liquid inlet pipe is provided with a pipeline liquid inlet, and the reactor pipeline main body is spirally wound along the peripheral surface of the side wall of the buffer container and extends along a first direction; the driving device is used for driving liquid in the reactor pipeline to flow from the pipeline liquid inlet to the pipeline liquid outlet and enter the buffer cavity through the pipeline liquid outlet, and driving liquid in the buffer cavity to enter the reactor pipeline through the pipeline liquid inlet. At least part of the reactor pipeline is spirally wound outside the buffer container, so that the optical path can be greatly increased, microalgae can fully absorb light energy for photosynthesis, and the space utilization rate is improved.
Absstract of: CN122609409A
The invention relates to preparation and application of a bioremediation liquid taking active versatile triceps as a core. The invention belongs to the field of agricultural biotechnology and soil remediation. The preparation method comprises the following steps: culturing the variable tricrips to a logarithmic phase to obtain a variable tricrips solution, and carrying out expanding culture propagation after the variable tricrips solution is qualified through microscopic examination to obtain the bioremediation liquid taking the active variable tricrips as the core. The fertilizer is used for improving physical and chemical properties of crop soil and improving soil fertilizer efficiency. The fertilizer is applied at any stage from a seedling emergence stage to a reproductive growth stage of crop growth; the application mode is spraying on the soil surface around the crop root system. The bioremediation liquid is simple in formula, the culture medium is low in cost, the expanding culture period is short, operation is easy and convenient, and rapid large-scale production can be achieved. According to the invention, the bioremediation liquid keeps the continuous breeding and metabolism capability of microalgae; natural nutrients are continuously supplied to crops; the fertilizer can restore soil, activate soil trace elements, improve plant stress resistance, prevent plant diseases and insect pests, promote crop growth and improve agricultural product quality and yield.
Absstract of: CN122609345A
The invention discloses an air protein production device and method based on microalgae and hydrogen oxidizing bacteria dual-phase coupling, and relates to the technical field of bioengineering and new energy utilization. The device comprises a microalgae photobioreactor, a hydrogen oxidizing bacteria reactor, a gas circulation pipeline system for connecting the two reactors, a water electrolysis hydrogen production system driven by renewable energy abandoned electricity, and a protein collection and separation system. The gas circulation pipeline system is used for conveying an oxygen-enriched gas phase generated by photosynthesis of the microalgae photobioreactor to the hydrogen oxidizing bacteria reactor as an electron acceptor oxygen source of hydrogen oxidizing bacteria; a carbon dioxide-rich gas phase released by respiratory metabolism of the hydrogen oxidizing bacteria reactor flows back to the microalgae photobioreactor to serve as a photosynthesis carbon source, so that gas-phase carbon-oxygen circulating coupling is formed between the two reactors; the water electrolysis hydrogen production system supplies a hydrogen energy source substrate to the hydrogen oxidizing bacteria reactor; and performing harvesting, solid-liquid separation and protein extraction and mixing on culture solutions in the two reactors to obtain a mixed protein product with complementary amino acid compositions. According to the invention, mutual coupling of gas exchange between reactors is uti
Absstract of: WO2026173381A1
The present disclosure relates to a method for producing a biomass, and a biomass having high solid content can be economically produced thereby.
Absstract of: WO2026173382A1
The present disclosure relates to a method for producing biomass, which enables economical production of microalgae biomass having a high solid content and low viscosity.
Nº publicación: CN224646926U 18/08/2026
Applicant:
HENAN NORMAL UNIV
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Absstract of: CN224646926U
The utility model relates to a container integrated type microalgae culture device which comprises a transparent continuous bent U-shaped pipeline, a container integrated type microalgae culture device and a container integrated type microalgae culture device, the bracket is used for fixing the U-shaped pipeline on the outer surface of the container; the dark reaction box is arranged in the container and connected with the pneumatic diaphragm pump through a pipeline, the water inlet is connected with the dark reaction box through the pneumatic diaphragm pump, and the water outlet is directly communicated with the dark reaction box to form a closed circulation system. The microalgae culture device is modular equipment which is high in integration level, low in operation cost and capable of achieving efficient production, and synergistic interaction of wastewater treatment and resource utilization can be achieved.
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