17 results about "Biological property" patented technology

This invention discloses a strain of Salmonella choleraesuis phage SCP512 and its applications, belonging to the field of microbial technology. Salmonella choleraesuis phage SCP512 is deposited at the China General Microbiological Culture Collection Center (CGMCC) with accession number CGMCC No. 47021, dated February 4, 2026. It belongs to the family Myocaudae within the class Caudata. This phage SCP512 possesses multivalent lytic characteristics, excellent biological properties and environmental adaptability, and can disrupt pathogen biofilm formation. It addresses the technical problems of existing phages, such as limited lytic spectrum, insufficient coverage of common foodborne pathogens, weak biofilm removal ability, and limited application potential in practical food matrices.

The application discloses a kind of multi-dimensional dynamic model under the evaluation method of soil salinization to cultivated land productivity, it is related to the field technical field of agricultural resources and environment, and the multi-source data set of fusing remote sensing, ground monitoring, meteorological and farmer management data is first constructed in the scheme, and the minimum data set of soil physical, chemical, biological properties is screened after fusion preprocessing;Soil quality index (SQI) and cultivated land productivity index (CPI) are calculated again;Subsequently, the multi-dimensional dynamic evaluation model containing key salinization index screening, effect quantification, mechanism model and crop sub-model is constructed;Finally, the productivity influence dynamic update is realized in combination with real-time data of Internet of Things, and the optimal improvement technology mode is simulated and screened by structural equation model simulation management scene. The method is comprehensive in data coverage, accurate in evaluation, dynamic in model and targeted, can reveal the influence mechanism of salinization on cultivated land productivity, provide practical decision support, and help efficient and sustainable use of saline-alkali soil.

A method, computer program product, and computer system for assessing carbon sequestration contribution of a nature-based asset located in a water environment are provided. The method includes obtaining a meta descriptor of the nature-based asset and a meta descriptor of a region of the water environment in which the asset is located; mapping a size of the nature-based asset; accessing data of a monitored physical property of the asset in the water environment based on the meta descriptor of the asset; accessing data of a monitored carbon concentration in the region of the water environment based on the meta descriptor of the region; accessing data of monitored physical, chemical, and biological properties of the water environment based on the meta descriptor of the region; and applying a model to the accessed data to assign a carbon sequestration contribution per unit of measurement of the nature-based asset.

The present application relates to a Klebsiella pneumoniae bacteriophage, a bacteriophage composition thereof and application thereof, and belongs to the field of microorganisms. The present application provides a lytic bacteriophage Kp_WF01 infecting Klebsiella pneumoniae, and biological property research, morphological observation and whole-genome phylogenetic analysis are performed on the bacteriophage, and it is determined that the bacteriophage Kp_WF01 is a new species of Caudoviricetes Class Autographivirales Order Autotranscriptaviridae Family Przondovirus Genus. The in-vivo treatment effect and safety of the bacteriophage Kp_WF01 are evaluated by using a mouse model infected with CRKP, and the results show that the bacteriophage Kp_WF01 can rescue the CRKP-infected mouse, can be used as an effective therapeutic preparation against CRKP infection, and the treatment effect of the bacteriophage Kp_WF01 is better than that of imipenem.

This invention belongs to the field of biomedical materials technology, and discloses a one-step chitosan-grafted iohexol self-illuminating microsphere, its preparation method, and its applications. The microsphere uses chitosan, a natural biocompatible material, as the carrier framework, iohexol as the self-illuminating functional component, and genipin, a natural extract, as the cross-linking agent. A one-step grafting and cross-linking curing process is used to form self-illuminating microspheres with uniform particle size and stable structure. These microspheres exhibit clear imaging under X-rays and also possess good biocompatibility, biodegradability, and sustained-release properties, making them widely applicable in medical fields such as tumor embolization therapy and tissue engineering tracing, achieving integrated diagnosis and treatment. The preparation process of this invention is simplified, requiring no multi-step reactions, with mild control conditions, and is easy for industrial production, solving the problems of complex preparation, poor biocompatibility, and imbalance between imaging and biological properties in traditional self-illuminating materials.

The present application relates to the technical field of intelligent image recognition, and particularly relates to a fruit and vegetable disease image recognition grading early warning method and system, comprising: acquiring time sequence images of the same target leaf, and registering the time sequence images based on the contour features and main vein endpoint features of the leaf; extracting the leaf vein structure in the registered images, establishing a leaf vein conduction network containing nodes and paths according to the connection relationship and thickness of the leaf vein, and dividing the leaf vein levels. The present application realizes early identification and grading early warning of fruit and vegetable diseases by continuously observing the same target leaf in time sequence, combining the structural features of the leaf vein conduction network and the color gradient variation law along the vein. The biological characteristics of disease spreading along the leaf vein first are utilized, and the leaf vein system is taken as the main carrier for disease monitoring, so that the problem that the prior art does not distinguish the different propagation characteristics of diseases in the leaf vein and the leaf tissue is solved, and the extremely light and slightly colored areas formed around the leaf vein in the early stage of the disease can be effectively captured.

This invention discloses a strain of Salmonella choleraesuis phage SCP531 and its applications, belonging to the field of microbial technology. Salmonella choleraesuis phage SCP531 is deposited at the China General Microbiological Culture Collection Center (CGMCC) with accession number CGMCC No. 47020, dated February 4, 2026. It belongs to the family Myocaudae within the class Caudata. This phage SCP531 exhibits broad-spectrum and highly efficient lytic activity, excellent biological characteristics and stability, and can disrupt pathogen biofilm formation, thus solving the technical problems of narrow phage lytic spectrum, insufficient biofilm removal ability, and limited application potential in food matrices in existing technologies.

A method for a wearable device to determine a biological parameter of a tissue of a person. To apply an emitting of a first and a second wavelength of light towards the tissue. To collect and sense a first and a second set of frequency bands from the signals received back from the first and the second wavelengths, respectively. The first set of frequency bands represents a first signal which corresponds to a combination of the biological parameter and an extraneous noise. The second set of frequency bands represents a second signal mainly comprising the extraneous noise. To subtract the first set of frequency bands from the second set of frequency bands in the frequency domain to obtain a third set of frequency bands. The third set of frequency bands represents a third signal corresponding to the biological parameter.

The application discloses a lactobacillus zeae and application thereof in vinegar fermentation, and belongs to the technical field of microbial fermentation. Lactobacillus zeae The lactobacillus zeae (QH-20022) is preserved in the China General Microbiological Culture Collection Center on May 19, 2022, and the preservation number is CGMCC No. 24915. The strain has the excellent biological characteristics of strong acid resistance and high β-glucosidase production, can stably survive and metabolize in a high-acid vinegar fermentation environment, efficiently hydrolyzes glycoside flavor precursor substances in a fermentation system, significantly increases the content of core flavor substances such as citric acid and phenolic acid in vinegar, optimizes the aroma and taste of vinegar, and solves the technical pain points of poor acid resistance, low enzyme activity, single flavor and poor batch stability of traditional vinegar fermentation strains.

This invention isolated a Streptomyces strain SCA4-4 with significant cellulose degradation ability from wheat rhizosphere soil samples from the dry-hot valley of the Jinsha River in Sichuan Province. After systematic polyphasic taxonomic identification, this strain was determined to be a new species of the genus Streptomyces and was named *Streptomyces jinshaensis*. Streptomyces jinshaensis The strain SCA4-4 (sp. nov.), with accession number GDMCC No: 63008, possesses biological characteristics such as cellulose degradation and nitrogen fixation capabilities. Furthermore, it can adjust the activity of related enzymes according to different substrates, thereby achieving differentiated degradation of various crop straw materials. This provides a new pathway for the recycling of agricultural waste, reduces the use of chemical fertilizers, and mitigates negative environmental impacts, demonstrating broad application potential in agriculture and the environment.

This invention discloses a method for controlling Canadian goldenrod, belonging to the field of biological control technology. The method includes: physical tilling combined with chemical spraying during the seedling stage; tilling followed by application of biological herbicides during the vegetative growth stage; spraying flower bud inhibitors to suppress seed formation during the flowering stage; and physical removal during the seed maturation stage. This invention employs a phased, multi-pronged, synergistic comprehensive control strategy, targeting the biological characteristics of Canadian goldenrod at different growth stages, and combining chemical, biological, and physical methods to achieve highly efficient, long-lasting, and environmentally friendly control effects. This significantly reduces problems such as herbicide resistance, high recurrence rates, and environmental pollution caused by single-method control.

This invention discloses a process and method for preparing dried Dendrobium officinale stems, characterized by the following steps: Step 1, material preparation: take approximately the dry weight of fresh Dendrobium officinale; Step 2, pre-treatment of Dendrobium officinale stems by washing: adjust the washing machine frequency to 15-22 Hz; Step 3, cutting the fresh stems into segments: use a CNC reciprocating cutting machine at a frequency of 280-350 times / min to cut the Dendrobium officinale stems into small segments, with a segment length controlled at 4-6 mm; Step 4, pre-drying the fresh stems: use an open oven at 75-90℃ or a vibrating dryer at 65-90℃; Step 5, dry washing of the material: package the dry-washed material in 30 kg / bags, inspect and store the dried Dendrobium officinale product; in Step 3, replace 6 short guide troughs and 3 long guide troughs; the moisture content of the dried Dendrobium officinale stems should be controlled at ≤7%. This invention possesses multiple biological properties, including nourishing the liver and kidneys, preventing tumors, and promoting antibody production through long-term consumption of Dendrobium granules or powder, as well as antibacterial and antioxidant effects.

This invention proposes a method for culturing human tumor organoids based on green light volumetric bioprinting (GLVBP) technology, belonging to the field of bioculture technology. By optimizing the bio-ink formulation, this invention combines human tumor cells with photocrosslinked biomaterials (such as methacrylated gelatin and hyaluronic acid derivatives) and a matrix adhesive to prepare a photocurable bio-ink suitable for GLVBP. Using GLVBP technology, three-dimensional models of tumor organoids with biomimetic structures can be rapidly constructed, achieving efficient proliferation and functional maintenance of the organoids. This invention solves the problems of poor structural controllability and large batch-to-batch variability in traditional organoid culture. The prepared tumor organoids possess a highly biomimetic tumor microenvironment and stable biological characteristics, and have significant application value in drug screening, personalized medicine, and tumor mechanism research.

This invention discloses the application of *Enterobacter holmieae* in the synthesis of dihydroouabain, belonging to the field of microbial technology. The dihydroouabain synthesized by *Enterobacter holmieae* in this invention, due to its unique biological characteristics, has broad application prospects in cardiovascular disease treatment, neuroscience research, energy metabolism, and circadian rhythm regulation. The *Enterobacter holmieae* strain described in this invention is preserved under the name *Enterobacter holmieae*. Enterobacter hormaechei Deposited at Guangdong Provincial Center for Microbial Culture Collection, located at 5th Floor, Building 59, No. 100 Xianlie Middle Road, Guangzhou; Deposit date: April 16, 2026; Accession number: GDMCC No:68091.

The present disclosure provides tissue scaffolds and hydrogels as well as methods of making and using the same. Also provided are tissue scaffolds with improved biological properties and methods of utilizing said tissue scaffolds for the treatment of wounds.

The application discloses an artificial breeding and storage method of the farming and forestry pest predatory spider Zora spinimana represented by Malacosoma americanum. On the basis of obtaining the theoretical daily maximum predation amount of Zora spinimana to different instar Malacosoma americanum larvae, the artificial breeding and propagation of Zora spinimana are carried out by using the substitute prey of the oceanic worm, the yellow mealworm and the silkworm, and the suitable substitute prey size and the breeding condition are screened, and a low-temperature storage method is provided. The mass breeding of Zora spinimana can provide a stable research sample source for the Zora spinimana, and lays a solid foundation for in-depth research on the biological characteristics, behavior habits, genetic mechanisms and the like of the Zora spinimana. Further research on the storage method can ensure the long-term preservation and effective utilization of the Zora spinimana sample, maintains the physiological activity and genetic information of the Zora spinimana, and enables the Zora spinimana to continue to play a role in future research.

This invention discloses a genetic transformation method for Primula species, comprising the following steps: obliquely cutting the petiole of a Primula species, then immersing the petiole with leaves in an Agrobacterium rhizogenes K599 infection solution containing a recombinant vector carrying the target gene; covering the cut end of the petiole with moist substrate for cultivation; sterilizing the petiole and substrate after adventitious buds have emerged from the cut end; separating the seedlings from the petiole when the adventitious buds reach a height of 2-3 cm, and transplanting them into a mixed substrate for cultivation until complete plants are obtained. This method eliminates the need for tissue culture, is simple to operate, fills the gap in non-tissue culture transgenic methods for Primula, and boasts high transformation efficiency, short cycle, and direct screening of genetically transformed plants. It provides a simple and efficient method for studying the biological characteristics and genetic engineering breeding of this genus, possessing significant scientific research and application value.