11 results about "Microcystis" patented technology

The invention relates to Flavobacterium cylindricum NY-1 and application thereof in prevention and treatment of microcystis water bloom, and belongs to the technical field of microorganisms, the Flavobacterium cylindricum NY-1 is preserved in Guangdong Microbial Culture Collection Center on February 11, 2026, the preservation number is GDMCC 67866, the Flavobacterium cylindricum NY-1 can efficiently and specifically target a microcystis population structure and drive the microcystis population structure to complete a'sedimentation-extinction 'process, and the Flavobacterium cylindricum NY-1 can be applied to prevention and treatment of microcystis water bloom. After the algal inhibition agent is applied to a natural water body with microcystis bloom for 72 hours, the algal inhibition rate reaches up to 99%, and the microcystis in the water body is almost completely removed, so that the microcystis bloom is efficiently treated.

The invention belongs to the technical field of biology, and particularly relates to a method for increasing the fucoxanthine accumulation amount by using microcystis subjected to depolymerization treatment to feed palmarthria formosana. According to the method, microcystis subjected to depolymerization treatment are added in the culture process of the palmitothecium for heterotrophic culture, meanwhile, continuous inflation is conducted, the microcystis subjected to depolymerization treatment are swallowed by the palmitothecium, and the higher fucoxanthine accumulation amount in the palmitothecium is obtained by means of the culture mode. The experiment proves that after the microcystis is subjected to pretreatment and depolymerization, the removal efficiency of the microcystis is higher by the brown algae, the limitation of treatment of harmful cyanobacteria and ingestion of protozoa is made up, and meanwhile, an integrated solution is provided for biological treatment of cyanobacterial bloom and resource utilization of the microalgae; meanwhile, a new way is provided for obtaining fucoxanthine with higher accumulation amount.

The invention discloses a method for removing harmful algae. According to the method, silicate hollow microspheres are selected for flotation of the harmful algae such as microcystis and anabaena. In order to enhance the effect of removing harmful algae, aluminum salt containing Al < 3 + > is added into the water body environment before the flotation process. The method is simple in technological process, low in economic cost, suitable for removing harmful algae with different cell densities and high in removal rate under different pH conditions. The used silicate hollow microspheres have low density and high strength, the surfaces of the silicate hollow microspheres have certain roughness, combination with the two microalgae is facilitated, the method causes less pollution to the environment, and the floating beads can be repeatedly used for 3-4 times.

The invention belongs to the technical field of biology, and particularly relates to a method for culturing fucoxanthine, oleic acid and arachidonic acid to increase the accumulation amount of fucoxanthine, oleic acid and arachidonic acid. According to the method, the microcystis is added into the palmitotheca for mixed culture, and meanwhile, continuous inflation is performed, so that the microcystis is swallowed by the palmitotheca. The mode of swallowing the microcystis by utilizing the palmitothecium is utilized to realize higher fucoxanthine accumulation in the palmitothecium. The experiment proves that the palmitotheca has high removal efficiency on non-toxic microcystis, and can effectively ingest toxic microcystis, so that a new way is provided for biomanufacturing of fucoxanthine with higher accumulation amount.

To provide an ecologically safe method for controlling and sterilizing algae. [Solution] The present invention discloses a method for inhibiting and sterilizing algae, wherein diacetyl is added to the water to be treated and acts under sunlight irradiation to inhibit the growth of algae and fungi, the algae being Skeletonema costatum, synonyms, Microcystis erginosa, or red tide dinoflagellates, and the fungi being Escherichia coli or Staphylococcus aureus. The present invention uses diacetyl as the active substance, can exert algae-inhibiting and sterilizing effects under natural light alone, has good selectivity, is environmentally friendly, economical and efficient, and is applicable to algae-inhibiting and disinfection of shallow lakes, swimming pools, seawater / freshwater aquaculture farms, or landscape water bodies.

This invention relates to the field of cosmetics, specifically to a skincare composition for combating environmental pollution. The composition comprises rice germ extract and a mixture of rice extracts, a mixture of *Chlorella vulgaris* extract and *Lithocarpus stolonifera* extract, *Microcystis globosum* extract, and a mixture of olive fruit water and olive fruit extract as main active ingredients. Through a rational ratio of these components, the resulting composition can isolate air pollutants, inhibit their adhesion to sebum, prevent them from penetrating the skin, and effectively reduce sebum secretion by decreasing the size and number of facial pores. It also increases the skin's tolerance to irritants, enhances antioxidant capacity, and reduces the likelihood of inflammation caused by sebum peroxidation. Furthermore, it improves cell viability to resist air pollutants.

The invention discloses a microcystis bloom monitoring and early warning method based on YOLOv5 and LSTM, and relates to the technical field of water quality monitoring, and the method comprises the following steps: obtaining a microscopic scanning image of a target water area water body sample, inputting the microscopic scanning image into a microcystis detection model constructed based on a YOLOv5 model, and outputting the position and category of microcystis cells; calculating the density of the microcystis in the water body sample based on the position and category of the microcystis cells; and inputting the water quality parameters and the microcystis density at the current moment and a plurality of continuous historical moments before the current moment into a pre-trained LSTM prediction model, predicting the microcystis density in a future predetermined time period, and performing early warning at the moment when the microcystis density exceeds a water bloom algae density threshold. According to the method, by improving the YOLOv5 model and combining the time sequence prediction performance of the LSTM model, efficient and accurate monitoring of the microcystis density is achieved, and the method has important significance on early warning and prevention and control of microcystis bloom.

The present application belongs to the field of biotechnology, and particularly relates to a method for improving accumulation of fucoxanthin, oleic acid and arachidonic acid in brown flagellate culture. The method is to add microcystis to brown flagellate for mixed culture, and continuously aerate, and the microcystis is phagocytosed by the brown flagellate. The method of phagocytosis of microcystis by brown flagellate is used to realize higher accumulation of fucoxanthin in brown flagellate. Through the experiment, it is proved that the brown flagellate has higher removal efficiency for non-toxic microcystis, and can also effectively ingest toxic microcystis, and a new way for obtaining higher accumulation of fucoxanthin in biological manufacturing is provided.

This invention discloses a numerical simulation method and apparatus for Microcystis blooms coupled with multiple hydrodynamic effects, comprising the following steps: S1, collecting basic data required for constructing a Microcystis bloom model; S2, establishing a fluid dynamics model based on a preset turbulence model, and solving the fluid dynamics model based on preset boundary conditions; S3, constructing a Microcystis dynamics model based on the response relationship between hydrodynamic elements and Microcystis population migration, buoyancy transport, growth, death, population size, and cell density, with governing equations including convection-diffusion equations, Microcystis vertical migration equations, Microcystis growth rate equations, Microcystis death rate equations, population diameter dynamic equations, and cell density dynamic equations; S4, coupling the fluid dynamics model and the Microcystis dynamics model, and obtaining the simulated concentration distribution results of Microcystis through parameter calibration and verification; This invention can fully reflect the key role of hydrodynamic elements in the bloom process, providing reliable support for bloom prediction and forecasting.

This invention discloses a method for counting Microcystis colonies based on controlled ultrasonic depolymerization, relating to the field of aquatic ecological monitoring technology. The method involves obtaining a pretreated water sample after impurity removal from the source water sample. The supernatant of the pretreated water sample is then collected and filtered to remove small and large particle sizes of impurities. After a second filtration to enrich the algae, a Microcystis cell suspension is prepared. The Microcystis cell suspension is then ultrasonically dispersed to obtain a dispersed water sample. A hemocytometer is used to accurately count the number of Microcystis cells. This method overcomes the difficulties of incomplete dispersion or cell damage in Microcystis colonies, enabling accurate counting of Microcystis cells in aquatic ecosystems. The experimental steps are simple, the time required is short, and the number of Microcystis cells can be accurately counted. It can be applied to environmental monitoring, water pollution assessment, and aquaculture management.

1. The name of the design product: wire control microphone shell (ML080). 2. The use of the design product: the design product is used as a wire control microphone shell of earphone. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.