Resumen de: WO2024094905A1
The present invention relates to a floating photobioreactor with an oval spheroidal shape, which is designed for the cultivation of microalgae in aquatic media. The photobioreactor is subdivided into two main bodies, namely an upper semispheroid (2) and a lower semispheroid (1). The photobioreactor comprises conventional means for the joining and leaktightness thereof, further comprising gas exchangers, as well as a solar lamp. The inner surface of the lower semispheroid is highly reflective and this semispheroid is provided with thermally insulating means in the form of a removable cover. Its rigid but hydrodynamic design enables better use of wave energy for fluid mixing and renewal, thereby lowering the energy and economic costs and environmental impact associated with the cultivation of microalgae.
Resumen de: US2024150799A1
The present disclosure describes a manufacturing apparatus to use algae as a renewable green factory for producing biodegradable bioplastic. One or more embodiments include separation of a cultivated microalgae biomass from water before use in the wet or dried state. The lipids and proteins are extracted from the biomass which leaves starch and algae precursors in the remaining material from the microalgae cells. The starch includes amylose, amylopectin, monosaccharides kinases and cyclobutadiene and is hydrolyzed into a syrup containing oligosaccharides and polysaccharides. In some cases, the syrup is used as an ingredient in a medium containing nutrient for bacterial fermentation of plastics.
Resumen de: EP4365274A1
A lighting device and incubator for microalgae growth experiments. The device comprises at least one light source (10) having leds (20) for illuminating microalgae and a control unit (30) configured to control the switching on and off of the leds (20) and to vary the light intensity of the leds (20). The light source (10) comprises RGB LEDs (20), and each RGB LED (20) has a housing that houses a red led (21), a green led (22) and a blue led (23) and a microcontroller (24) that is connected to the control unit (30) to vary the light intensity of the red led (21), the green led (22) and the blue led (23) of the RGB led (20), such that the colour and intensity of the light emitted by each RGB led (20) are modified by the control unit (30).
Resumen de: WO2024088808A1
Provided are compositions containing microalgae extracellular vesicles (MEVs) formulated for intranasal delivery, whereby, upon intranasal administration the MEVs traffic through specific routes following intranasal administration to specific regions in the brain via the olfactory nerve and throughout the lateral olfactory tract (LOT) to interconnected brain regions. The MEVs traffic via neuronal axonal transport. The MEVs have the ability to cross-over synapses including: (i) the synapses between the olfactory sensory neurons (OSN) and the mitral/tufted neurons; (ii) the synapses between the mitral/tufted neurons and the local neurons in the various brain regions colonized by the lateral olfactory tract (LOT); and (iii) the synapses between the neurons in the brain regions colonized by the LOT and neurons from the frontal cortex, the hippocampus, the thalamus, and the hypothalamus. The compositions contain extracellular vesicles from microalgae (MEVs) that are loaded with bioactive cargo for treating, detecting, diagnosing, or monitoring a disease, disorder, or condition of the brain or involving the brain, particularly providing neuronal delivery of the cargo. The compositions and methods have a variety of applications as therapeutics and diagnostics for treating, diagnosing, and monitoring a disease, disorder, or condition of the brain or involving the brain. The compositions can be used in methods and uses for treating cancers involving the brain, and can be used, for exa
Resumen de: WO2024091686A1
Methods for the production of biocement utilizing diazotrophic cyanobacteria, aggregate and water where the diazotrophic cyanobacteria is present under conditions that induce microbially induced calcite precipitation (MICP).
Resumen de: WO2024087097A1
A method for simultaneously treating wastewater and producing clean energy by means of sludge fermentation and microalgal culture. The method comprises the following steps: 1, pre-treating sludge to obtain a treatment liquid A; 2, introducing the treatment liquid A into wastewater B, and subjecting same to anaerobic fermentation to generate hydrogen and a fermentation liquid C; 3, after the fermentation is stable, discharging a certain amount of the fermentation liquid C, and replenishing fresh wastewater B; 4, treating the fermentation liquid C to obtain a fermentation liquid D; 5, introducing the fermentation liquid D into a microalgal seed solution E; 6, discharging a certain amount of a microalgal fermentation liquid F, and replenishing the fermentation liquid D; and 7, collecting microalgal biomass in the microalgal fermentation liquid F, and extracting grease contained in the microalgae. By means of the method, clean energy can be recovered, thereby achieving recycling of wastewater.
Resumen de: WO2024089594A1
The present invention relates to methods for rasing black soldier fly (BSF) larvae, in particular to the use of live microalgae as an additional feed component when raising BSF larvae and to the synergistic cultivation of BSF larvae and microalgae.
Resumen de: GB2623897A
There is provided a microalgal carbon capture system 100; a method of capturing carbon dioxide from a gas stream; a microalgal carbon capture growth medium and use thereof; and an additive package for a microalgal carbon capture system and use thereof. Optionally, the microalgal carbon capture comprises a bioreactor apparatus 101 containing a microalgal carbon capture culture growth medium. Optionally, the bioreactor having an inlet 103 for receiving supply gas comprising carbon dioxide to be captured and a photo stage section 105 for converting the carbon dioxide from the supply gas to algal biomass by exposing the microalgal carbon capture culture growth medium to light emitted by a light source 107a, 107b, providing light of 400-700 nm. Preferably, the microalgal carbon capture culture growth medium comprises a mixture of water and: a colony of cyanobacteria, such as algae from the genus of Spirulina; a colony of fungi, such as filamentous fungi, for example from the genus of Mucor; and a particulate material comprising or consisting of iron.
Resumen de: EP4361111A1
The invention refers to a procedure for obtaining mixed microalgae-bacteria granules for wastewater treatment. The procedure, according to the invention, consists in culturing the microalgae-activated sludge inoculum in a bioreactor by applying the following sequence: feeding the inoculated bioreactor with a liquid medium containing substrate, exposing the bioreactor to a light source, applying a photoperiodicity, mechanical agitation of the medium during the consumption of the substrate, stopping the mechanical stirring, settling the microalgae-activated sludge biomass and medium withdrawn, from which mixed microalgae-activated sludge granules are obtained, with dimensions of 200...3 000 micrometers in diameter and a settling velocity of at least 10 m/h, and which ensures, through gravity sedimentation, the recovery of microalgae from the liquid medium with an efficiency of at least 99%.
Resumen de: ES2967099A1
Cleaning and operating robot for the production of microalgae (including cyanobacteria) in open reactors, consists of a self-cleaning system applied to the microalgae (including cyanobacteria) production reactors, especially in open reactors, both raceway and thin layer reactors. /or similar, and that prevents the decantation of biomass at the bottom of them, which ensures an adequate suspension of the culture to maximize its performance in addition to providing the necessary energy for the correct circulation of the culture in the reactor. It takes advantage of its own structure to guide and redirect itself along the width of the channel, at the same time that it advances with a front and rear gear motor responsible for rotating the cleaning roller. In this way, it is capable of covering the entire width of the channel, both in the straight and curved path, sanitizing and pushing the crop for circulation inside the reactor. (Machine-translation by Google Translate, not legally binding)
Resumen de: WO2024085425A1
The present invention relates to a method for producing a microalgae concentrate with low viscosity, the method comprising a step of adjusting the pH of a microalgae fermentation broth and a heat treatment step, in which utility costs and investment costs can be reduced in a dehydration and drying step to secure price competitiveness for production and commercialization of dried microalgae products.
Resumen de: WO2024085425A1
The present invention relates to a method for producing a microalgae concentrate with low viscosity, the method comprising a step of adjusting the pH of a microalgae fermentation broth and a heat treatment step, in which utility costs and investment costs can be reduced in a dehydration and drying step to secure price competitiveness for production and commercialization of dried microalgae products.
Resumen de: US2024124824A1
A lighting device and incubator for microalgae growth experiments. The device includes at least one light source having light emitting diodes for illuminating microalgae, and a control unit configured to control the switching on and off of the light emitting diodes and to vary the light intensity of the light emitting diodes. The light source includes RGB LEDs, and each RGB LED has a housing that houses a red light emitting diode, a green light emitting diode, a blue light emitting diode and a microcontroller that communicates with the control unit to vary the light intensity of the red light emitting diode, the green light emitting diode and the blue light emitting diode of the RGB LED, such that the color and intensity of the light emitted by each RGB LED are modified by the control unit.
Resumen de: AU2022340828A1
This invention provides compositions and methods for providing high level expression of proteins of interest in cyanobacteria.
Resumen de: WO2024077858A1
The present invention relates to the technical field of aquaculture effluent treatment, in particular to an apparatus for microalgae-microorganism synergistic treatment of aquaculture effluent. The apparatus comprises an aquaculture part; the aquaculture part is in communication with an effluent discharge part; the effluent discharge part is in communication with an effluent treatment part; and the effluent treatment part is in communication with the aquaculture part. The effluent discharge part comprises an effluent discharge pipe in communication with the aquaculture part; the end of the effluent discharge pipe away from the aquaculture part is in communication with the effluent treatment part; and an effluent discharge pump is arranged on the effluent discharge pipe. The effluent treatment part comprises a second housing; the bottom end of the second housing is in communication with the effluent discharge pipe; the top end of a side wall of the second housing is in communication with the aquaculture part; the interior of the second housing is provided with a plurality of flow guide plates; and microalgae are inoculated on outer side walls of the flow guide plates. In the present invention, microalgae and original microorganisms in aquaculture effluent form microalgae-microorganism symbionts, which can reduce carbon, reduce nitrogen and remove phosphorus synchronously and have few effects on aquaculture organisms, so that the quality of discharged water can be greatly impro
Resumen de: AU2022337473A1
This metal recovery material includes cyanobacteria of genus Leptolyngbya.
Resumen de: WO2024075997A1
The present invention provides a microalgae production system via a culture solution spraying method under an anhydrous cultivation condition, Haematococcus cultivated therethrough, and astaxanthin obtained by Haematococcus, wherein the microalgae production system comprises a microalgae culture module, a control module, an imaging module, a data module, and an operation management module and uses the microalgae culture module including a solid culture plate to provide an optimal growth environment for microalgae and a nutrient solution per unit time, whereby the microalgae production system via a culture solution spraying method under an anhydrous cultivation condition can reduce production costs for mass culturing microalgae biomass.
Resumen de: US2024116786A1
Methods for in-situ biodegrading cyanobacteria, cyanotoxins, tree pollen and other nutrients in a water body are described. A biodegradation apparatus for performing the biodegradation method is also described. The biodegradation products can be composted. The methods and apparatus can be performed in water body bulk processing mode or water body maintenance mode.
Resumen de: WO2024068658A1
The invention relates to a photobioreactor (1) for growing microalgal-type biological organisms, the growth being based on autotrophy under light that is essentially, or even exclusively, artificial, wherein the organisms grow in a nutrient-rich liquid substrate circulating in the photobioreactor, the photobioreactor comprising at least one cell (3) referred to as an illuminated cell, the photobioreactor (1) being characterized in that the illuminated cell (3) comprises at least one spiral-shaped transparent pipe and in that the illuminated cell (3) comprises at least two sections referred to as lighting sections which are associated with the transparent pipe and arranged on either side of the transparent pipe.
Resumen de: WO2024071134A1
The present invention addresses the problem of providing a mutant of a cyanobacterium having predation resistance. This problem is solved by a mutant of a cyanobacterium in which the function of the spoIID gene is reduced or defective compared to the spoIID gene in the wild type.
Resumen de: US2024110210A1
A process for production of biofuels from algae can include cultivating an oil-producing algae by promoting sequential photoautotrophic and heterotrophic growth. The method can further include producing oil by heterotrophic growth of algae wherein the heterotrophic algae growth is achieved by introducing a sugar feed to the oil-producing algae. An algal oil can be extracted from the oil-producing algae, and can be converted to form biodiesel.
Resumen de: WO2024065008A1
The present invention relates to a method for harvesting microalgae, the method comprising (i) mixing one or more monomers, a photoinitiator, water and a deoxygenation system to form a mixture; (ii) exposing the mixture to UV light so as to form an aqueous solution of one or more polymers; (iii) introducing the aqueous solution of one or more polymers to a suspension comprising microalgae in an amount sufficient to produce flocculated microalgae; and (iv) harvesting the flocculated microalgae. The present invention also relates to a method for preparing and selecting a polymeric flocculant for use in harvesting microalgae and a related apparatus.
Resumen de: KR20240042900A
본 발명은 미세조류의 성장을 증진시키기 위한 암모니아성 질소, 질산성질소, 아질산성 질소의 혼합물을 포함하는 최적배지 조성물 및 이의 용도에 관한 것으로, 본 발명의 배지 조성물을 사용할 경우, 기존의 배지를 사용한 경우보다 미세조류의 경제적으로 생산량을 높일 수 있으므로, 미세조류를 이용한 다양한 산물 생산에 유용하게 활용될 수 있는 장점이 있다.
Resumen de: CN117778390A
The invention provides double-stranded RNA (Ribonucleic Acid). Nucleotide sequences of a positive-sense strand and an antisense strand of the double-stranded RNA are shown as SEQ ID NO.1-2 or 3-4 or 5-6 or 7-8 in a sequence table. The double-stranded RNA provided by the invention and the expression vector containing the double-stranded RNA can effectively silence the CYP314A1 gene, the CYP315A1 gene, the CYP302A1 gene or the CYP18A1 gene, reduce the body length and the body width of aedes larvae, can be used for biological control of aedes, have the characteristic of environmental friendliness and higher commercial application value, and have good application prospects. For example, in a specific embodiment, an expression vector containing the double-stranded RNA is converted into a microalgae nuclear genome to obtain an engineering algal strain, and the engineering algal strain is used for feeding aedes larvae, so that the body length and the body width of the aedes larvae can be effectively reduced, and the aedes larvae are killed.
Nº publicación: CN117778136A 29/03/2024
Solicitante:
TONGWEI AGRICULTURAL DEV CO LTD
NANJING NORMAL UNIV
\u901A\u5A01\u519C\u4E1A\u53D1\u5C55\u6709\u9650\u516C\u53F8,
\u5357\u4EAC\u5E08\u8303\u5927\u5B66
Resumen de: CN117778136A
The invention relates to the technical field of photobioreactors, and discloses a microalgae photobioreactor performance strengthening system based on light energy distribution optimization, the strengthening system comprises a photobioreactor, a reaction container and a light guide plate group arranged in the reaction container; the illumination unit comprises a power supply, a light bar group and a wire connected between the power supply and the light bar group; the light bar groups are arranged on the outer wall surface of the reaction container and correspond to the light guide plate groups in position and number, and light bars in the light bar groups and light guide plates in the light guide plate groups are mounted in parallel; according to the strengthening system, on the premise that the total power of the light bars is kept unchanged, the light energy distribution in the reactor can be optimized in the mode that the multiple light bars are connected in parallel, arranged in a crossed mode and combined with the light guide plate with the tail end emitting light, the yield and yield of microalgae biomass in the reactor are remarkably increased, the electric energy utilization rate is greatly increased, and the energy conservation and emission reduction effects are achieved. The economical efficiency of microalgae culture by utilizing the artificial light source is improved.