44 results about "Biomonitoring" patented technology

The invention relates to the technical field of aquaculture and ecological environment management, and discloses a novel pond ecological circulation culture method which comprises the steps that a pond is divided into four vertical functional areas including an upper-layer floating bed planting area, a middle-layer net cage culture area, a bottom-layer benthic purification area and a microbial conversion area, a water circulation system is arranged in a matched mode, the area needed by pond site selection is 3000-4000 m, and the water depth is 3.0-3.5 m. The water quality is automatically controlled through a sensor containing dissolved oxygen and the like, and the biological monitoring module is automatically controlled through a high-definition camera and an AI to acquire data in real time, trigger oxygenation, move the net cage and the like; mixed feeding of'basal feed and insect protein ', cross-season crop rotation of floating bed crops and batch harvesting of benthic organisms are performed daily, equipment is maintained regularly, and ecological circulating breeding is achieved.

A method and system for detecting bioelectrical signals and audio signals from a user, including establishing bioelectrical contact between a user and one or more sensors of a biomonitoring neuroheadset; collecting, at the one or more sensors, one or more bioelectrical signal datasets; collecting one or more reference signal datasets; collecting, at a microphone of the biomonitoring neuroheadset, an audio signal dataset; and generating a combined audio and bioelectrical signal processed dataset, including producing a noise-reduced bioelectrical signal dataset, and producing a conditioned audio signal dataset.

The invention belongs to the technical field of biosensing of organic electrochemical transistors, and particularly relates to an organic electrochemical transistor for improving biological monitoring performance, a preparation method and application. The organic electrochemical transistor comprises a substrate, a source electrode, a drain electrode, an active layer, an ionic gel layer and a bioactive solution layer, the source electrode and the drain electrode are deposited on the substrate, the active layer is attached above the source electrode and the drain electrode, the ionic gel layer is attached above the active layer, and the bioactive solution layer is attached above the ionic gel layer. The bioactive solution layer is composed of guar gum, glycerin and a metal chloride aqueous solution. The organic electrochemical transistor can be tightly attached to the biological epidermis, toxic and side effects on organisms are avoided, meanwhile, the OECT detection performance is improved, and the monitoring sensitivity is improved.

A microsensor and method of manufacture for a microsensor, comprising an array of filaments, wherein each filament of the array of filaments comprises a substrate and a conductive layer coupled to the substrate and configured to facilitate analyte detection. Each filament of the array of filaments can further comprise an insulating layer configured to isolate regions defined by the conductive layer for analyte detection, a sensing layer coupled to the conductive layer, configured to enable transduction, and a selective coating coupled to the sensing layer, configured to facilitate detection of specific target analytes / ions. The microsensor facilitates detection of at least one analyte present in a body fluid of a user interfacing with the microsensor.

Systems and methods for manufacturing biosensors are disclosed herein. The biosensors can be used for personal biomonitoring and providing personalized healthcare assessments. The manufacturing method can include gathering production data throughout production of the biosensors and using the production data to track performance of one or more components and predict performance metrics for each biosensor. The manufacturing method can include mapping locations along a wafer and measuring wafer components. The predicted performance metrics can then be used by a biomonitoring system to adjust operating parameters of the biosensor before a user relies on the healthcare assessments from the biomonitoring system.

The application provides a method for simultaneously detecting the content of 16 new types of brominated flame retardants in human serum, and the specific steps are as follows: S1: preparing a mixed standard solution; S2: preparing an internal standard solution; S3: drawing a standard working curve; S4: sample pretreatment: taking dichloromethane in a glass test tube, adding the internal standard solution, and blowing with nitrogen in a 40 DEG C water bath until nearly dry, then adding fetal bovine serum and pure water, and vortexing to mix; the mixed solution of dichloromethane and acetonitrile is used to form an emulsion with the sample, and after sufficient extraction of the emulsion by using a dispersing agent and an extracting agent, centrifugation is carried out at room temperature; finally, the organic precipitate phase is taken and filtered through a filter membrane to be transferred to a sample injection vial with a glass lining tube, and is left for machine detection; S5: detection and result analysis: a gas chromatograph-tandem triple quadrupole mass spectrometer is used for detecting and analyzing the content of the new types of brominated flame retardants. The method has the advantages of simple pretreatment, high sensitivity and strong practicability, and can be used for routine biological monitoring of NBFRs in the human population.

The invention provides a method for simultaneously detecting dichloroacetic acid and trichloroacetic acid in urine, and belongs to the technical field of analysis detection and occupational health / environmental health. According to the method disclosed by the invention, a synergistic pretreatment strategy of acidic sample loading, WAX / reversed-phase mixed mode solid-phase extraction, water / low-proportion organic phase step-by-step leaching and ammonia-water-containing organic phase elution is adopted; a technical route of protein precipitation, acidification pH regulation, purification and enrichment by adopting WAX / reversed-phase mixed mode solid-phase extraction on a 96-well plate and stable isotope internal standard isotope dilution LC-MS / MS quantification is adopted, the method can effectively reduce the matrix effect and realize high-throughput analysis in a high-salinity urine matrix, the quantitation limits of DCEA and TCAA are not higher than 0.30 g / L and 0.20 g / L respectively, and the method has the advantages that the method is simple and convenient to operate, and the method is suitable for large-scale popularization and application. The method is suitable for biological monitoring and risk assessment of occupational and environmental low-level exposure crowds.

The application discloses a method for detecting a plurality of alkyl imidazole ionic liquids in serum based on liquid chromatography-mass spectrometry, and comprises the following steps: preparing a matrix standard solution, and drawing a matrix standard curve; carrying out pretreatment and solid phase extraction on a human serum sample to be detected; and finally, performing quantitative analysis by using LC-MS / MS. The method can quickly and accurately detect the alkyl imidazole ionic liquids in the human serum sample, is simple, efficient and high in sensitivity, can realize the detection of 10 target alkyl imidazole ionic liquids in human exposure, is good in separation effect, can provide an effective technical means for the biological monitoring research work of ionic liquid pollutants, and in the theoretical aspect, provides a certain scientific basis for the human exposure risk and preventive measures of ionic liquids.

To capture information by making use of a multispectral sensor device.SOLUTION: A multispectral sensor device may include a sensor array comprising a plurality of channels and one or more processors to determine that a time-sensitive measurement is to be performed, wherein the time-sensitive measurement is to be performed using data collected by one or more channels of the plurality of channels; cause the data to be collected by a proper subset of channels of the plurality of channels, wherein the proper subset of channels includes the one or more channels; and determine the time-sensitive measurement based on the data.SELECTED DRAWING: Figure 1B

The utility model discloses a flexible sensor with a multifunctional sensing function. The flexible sensor with the multifunctional sensing function is arranged in a stacked mode and comprises an upper-layer flexible substrate, a lower-layer flexible substrate, a humidity sensor, a temperature sensor, a pressure sensor and a chemical sensor. According to the utility model, the electrode and the sensing active substance can be prepared on the flexible substrate in a large scale through the full-printing process, so that the cost is potentially reduced. The laminated distribution mode of the multifunctional flexible sensor is simple in structure, the occupied space is saved to a great extent, the flexible sensor develops towards the miniaturization, integration and array direction, the sensors do not interfere with one another, various human physiological signals can be monitored in real time at the same time, and the application range is wide. The method is applied to wearable biological monitoring, health management and intelligent robots.

The application discloses a marine disaster-causing organism monitoring system and method for a coastal nuclear power plant, and particularly relates to the technical field of marine monitoring. The system comprises an optical imaging subunit, an acoustic detection subunit and an environmental parameter sensing subunit arranged at a water intake area of the coastal nuclear power plant, and is used to acquire multi-source heterogeneous data in the marine environment of the water intake area of the coastal nuclear power plant. The acquired multi-source heterogeneous data is subjected to fusion analysis and feature extraction, and species identification results, individual quantity and individual body length data are output. A biological disaster-causing quantity quantitative curve is constructed, and coupling analysis is performed on key operation parameters of a cold source system of the nuclear power plant. A comprehensive risk index caused by a current biological situation to the cold source system is calculated. According to the comprehensive risk index, graded early warning information is automatically generated. Based on the generated early warning information and the comprehensive risk index, automatic control instructions are provided for operation personnel of the nuclear power plant.

Provided is a biomonitoring device that measures a parameter of a material expelled during use of a toilet by a user. Also provided is a biomonitoring mirror device that identifies a user, detects a febrile illness in a user, dispenses medications / supplements, connects to electrical device accessories in the bathroom, and provides an interactive user interface. Additionally provided is a system for measuring a parameter of a material expelled during use of a toilet by a user. Further provided is a method of determining a physiological parameter of a user.

A total biological count associated with treated water produced by a wastewater treatment system may be monitored online in a decentralized non-potable water system. Preventative and / or corrective action can be taken in response to a deviation from a predetermined threshold level.

This invention relates to the field of biological monitoring equipment and discloses a drone-based biodiversity monitoring device, comprising: a drone body with a first slide rail; a camera assembly rotatably mounted on the drone body; a support block slidably mounted on the first slide rail, the support block having a second slide rail parallel to the lens of the camera assembly; and a cleaning plate slidably mounted on the second slide rail, the cleaning plate being located between the support block and the camera assembly. The cleaning plate moves to a position where it contacts the lens of the camera assembly by sliding along the first slide rail with the support block. This invention removes foreign matter adhering to the lens surface by moving the cleaning plate parallel to the lens, thereby maintaining the clarity of the camera image; by arranging the cleaning assembly independently of the camera structure, the camera becomes more flexible and stable when switching viewing angles.

The invention discloses a liquid metal fiber stretchable strain sensor and a preparation method and application thereof, and relates to the technical field of stretchable strain sensors. A coaxial layered structure of an elastic fiber core, a PDA adhesion layer, an Ag seed layer, a Cu functional layer, a liquid metal (LM) conductive layer, an SEBS packaging layer and an inert electrode interface (MWCNT / SEBS-PEDOT: PSS) is adopted, and a liquid metal material is combined with a composite fiber structure, so that the electrical property stability and the response speed of the sensor in a high strain state can be remarkably improved; meanwhile, the chemical stability of the sensor in a wet, ion-containing or biological fluid environment is ensured, long-time stable work is ensured, and the wearable biological monitoring requirement is met. The structure of the sensor is optimized, the sensor can be better attached to the skin or soft tissue, the wearing comfort is enhanced, the stability of sensing signals is guaranteed, and the problems that an existing sensor is prone to falling off and poor in air permeability are solved.

The invention relates to a human body non-invasive biological matrix PFAS identification system and a synchronous detection method. The system establishment method comprises the following steps: S1, screening key enterprise, industry and regional characteristic pollutants PFAS; s2, screening the PFAS based on ecological risks, human health risks and PMT / PBT material characteristics of the PFAS; s3, establishing a biological detection list based on the accumulation characteristics of the PFAS in various non-invasive biological matrixes; and S4, carrying out PFAS biological monitoring, and prompting the PFAS which needs to be preferentially controlled according to the human body biological monitoring condition of the PFAS. According to the technical scheme, non-invasive biological monitoring is carried out by screening characteristic PFAS, the method is clear in target, efficient, low in cost and suitable for large-sample population investigation, and the constructed non-invasive matrix (hair, fingernails and urine) PFAS synchronous detection method is simple in pretreatment process, convenient to operate, low in coexisting substance interference and stable and efficient in recovery rate.

This invention provides a biocavity ablation system, a biocavity ablation method, and a storage medium. The biocavity ablation system includes an energy module, a delivery module, and a control module. The energy module generates ablation energy to the target area of ​​the biocavity. The delivery module transmits the ablation energy to the target area and monitors the temperature of the target area in real time. The control module monitors the parameter values ​​corresponding to the ablation energy generated by the energy module in real time and adjusts the ablation energy of the energy module in real time based on the parameter values ​​and the temperature of the target area. With this configuration, this invention uses the detected parameter values ​​of the ablation energy and the temperature of the target area to provide feedback and control of the ablation energy during ablation treatment, achieving a biological monitoring and feedback function. This improves the safety factor of the ablation energy output process, thereby avoiding excessively high actual temperatures in the target area, ensuring safe and gentle ablation treatment, and reducing the probability of postoperative complications for patients.

The invention relates to the field of microorganisms, and discloses microorganism monitoring and analysis integrated equipment. The test tube rack comprises an equipment frame plate, the upper end of the equipment frame plate is fixedly connected with an incubator, the upper end of the incubator is provided with a water tank, and the upper end of the equipment frame plate is provided with a plurality of test tube rack bottom plates at positions adjacent to the incubator. By arranging a pump machine, water stored in a water tank is conveniently conveyed into a cleaning operation head, so that the interior of the incubator is conveniently cleaned after equipment operation is completed, and a worker uses the incubator to culture monitored microorganisms, so that the working efficiency is improved, and the working efficiency is improved. And by using the garbage storage box, garbage generated during equipment operation can be conveniently collected, so that the cleanliness of the surface of the equipment can be conveniently ensured, and the use of subsequent biological monitoring and analysis operation is facilitated.

The application relates to the technical field of big data monitoring, and particularly discloses a vector biological monitoring information system, which comprises a routine monitoring module, a special investigation module and a quality control module; the routine monitoring module is used for performing the vector biological ecology density, drug resistance and pathogenicity monitoring tasks periodically; the special investigation module comprises a background investigation submodule, a pathogen carrying investigation submodule and a water level fluctuation zone investigation submodule; the background investigation submodule is used for constructing a vector biological species background list database; the pathogen carrying investigation submodule is used for monitoring and statistically analyzing the situation of vector biological pathogen carrying; and the water level fluctuation zone investigation submodule is used for managing the water level fluctuation zone regions of reservoirs and rivers in different vector density dynamic data; the quality control module is used for monitoring the completeness, timeliness and standardization of the data reporting, and solves the technical problem that the existing vector biological monitoring information system lacks flexible and in-depth special investigation capability, thereby causing insufficient assessment of complex and special public health risk scenes.

The invention belongs to the technical field of sewage pipe network microorganism monitoring, and discloses a sewage pipe network microorganism in-situ monitoring method and device. The sewage pipe network microorganism in-situ monitoring method comprises the following steps: arranging a microorganism in-situ culture device in an inspection well of a sewage pipe network, wherein the microorganism in-situ culture device comprises a plurality of bionic biological ropes submerged in sewage; carrying out microbial culture within the specified culture time; taking out the microorganism in-situ culture device and collecting the bionic biological rope; microorganism enrichment and separation, sequencing and data analysis are carried out from the bionic biological rope. According to the invention, in-situ microorganism samples in the sewage pipe network can be obtained in a monitoring period, multi-period and long-term tracking analysis of microorganisms in the sewage pipe network can be realized, the manpower and material resource cost of sewage microorganism detection is greatly reduced, and the personal safety of workers is ensured; microbial in-situ culture samples at different layers can be obtained according to requirements, and the method has important scientific and application values for researching microbial communities in a sewage pipe network.

The invention discloses a non-invasive continuous biological monitoring method based on non-targeted environmental metabonomics, and belongs to the technical field of environmental monitoring and metabonomics. Comprising the following steps: sample collection: randomly dividing zebrafish into a control group and a pollutant exposure group, and collecting male and female whole zebrafish as a tissue sample; metabolite extraction: effectively extracting the metabolite in the water sample and the zebra fish tissue sample through solid-phase extraction and concentration; data acquisition: performing characteristic peak detection and acquisition on metabolites in the sample by adopting LC-MS (Liquid Chromatography-Mass Spectrometer); preprocessing data: extracting, aligning, denoising, background removing and annotating metabolic characteristic peaks by adopting MS-DIAL software; and data analysis: carrying out classification identification, differential metabolite screening, pathway enrichment and PLS-DA on the metabolic data, and carrying out dynamic response monitoring on the core metabolite. The non-invasive continuous biological monitoring method has the advantages of being non-invasive, continuous, high in flux, low in cost and the like, and dynamic monitoring of the physiological response process of the non-invasive continuous biological monitoring method is achieved.

The present disclosure provides a textile electrode for biomonitoring, enabling consistent and efficient monitoring of health while operating in contact with a subject's body. Particularly provided in the present disclosure is a textile electrode comprising a conductive textile coated with a thickness-controlled layer of a non-conductive elastomeric polymer. The said textile electrode is characterized by advantages such as retained conductivity of the conductive textile, structural stability strong adherence to skin, reusability after multiple cycles of washing and ease of fabrication.

The invention relates to the technical field of biological monitoring, in particular to a fluorescence sensor for detecting endocrine disruption activity in sewage and application. A Y-type polypeptide containing an anchoring region, a hinge region and an antifouling region is creatively designed as a structural skeleton, and the tail ends of a main chain and a branch chain are respectively subjected to directional modification to prepare the multifunctional ligand-polypeptide-dye conjugate; an optical biosensing chip, namely a ligand-polypeptide-dye conjugate functionalized biosensing chip which is high in reaction efficiency, strong in anti-pollution characteristic and capable of being stably regenerated, is constructed by adopting a covalent coupling method, and then the quantum dot-nuclear receptor fluorescent probe which is high in sensitivity and adjustable in emission spectrum is prepared. The ratio fluorescence biosensing principle based on fluorescence resonance energy transfer is provided, rapid quantitative detection of the endocrine disruptors in sewage is achieved, and the endocrine disruptors have broad-spectrum specific recognition capacity on a certain type of endocrine disruptors.

Calibration for a biological sensor involves a holder coupled to a housing and configured to retain a wire-holding fixture that holds a working wire for the biological sensor. An electrical test board is coupled to the housing, wherein the electrical test board is configured with electronics of a continuous biological monitor and has an electrical contact configured to electrically connect to the working wire through the wire-holding fixture.

Described are methods for monitoring marine water-body sustainability at a site of discharge of water into the water-body. Typically, the discharge of water occurs at a discharge of streams, rivers, water purification plants, water desalination plants, power plants, and discharge of oil refineries. The methods provide for daily, quarterly, as well as annual monitoring of water-body quality to ensure sustainability. The methods typically include establishing monitoring sites at a plurality of designated distances from the site of discharge, at a plurality of designated depths at the monitoring sites, and obtaining samples from the water-body at the monitoring sites. Interrogating the obtained samples for physical and chemical monitoring, biological monitoring, biochemical and organic monitoring, microbial monitoring, and phylogenetic analysis, as well as monitoring the sites for marine observational surveys, helps establish the marine water-body sustainability at a site of discharge.

The utility model discloses a sampling system for litsea cubeba rhizosphere microorganism monitoring, which comprises a sampling vehicle and a sampling device, wherein moving wheels are arranged at the bottom of the sampling vehicle; the storage box is arranged on the sampling vehicle, the storage box is provided with a storage drawer capable of being horizontally pulled, and a tool cavity used for storing sampling tools is defined in the storage drawer; the storage box is arranged on the sampling vehicle, the storage box comprises a box body and a box cover arranged at the top of the box body, a cooling cavity and a first sample cavity are arranged in the box body at intervals, a refrigerant is arranged in the cooling cavity, and a plurality of first sample bottles are placed in the first sample cavity. The sampling system for litsea cubeba rhizosphere microorganism monitoring is convenient to carry and transfer, and samples can be stored at low temperature without electricity.

The present application relates to the field of food processing and preservation technology, and more particularly to a preservation method for breaking the growth phase of meat products based on liquid nitrogen segmented quick freezing, comprising: real-time monitoring of the three-dimensional temperature field in the quick freezing cabinet, identifying the local area with abnormal maximum ice crystal belt time, starting targeted biological monitoring for the abnormal area, obtaining colony distribution and characteristic volatile organic compound concentration data, and diagnosing the microbial risk state, and finally executing a hierarchical control strategy according to the diagnosis result, including maintaining the process, starting directional low-temperature plasma antibacterial or strengthening liquid nitrogen spraying; the present application realizes real-time and accurate identification and dynamic intervention of local microbial risk in large-scale quick freezing process, fundamentally improving the reliability of breaking the growth phase, and the present method takes into account the temperature uniformity and quality safety in the equipment, realizing high-quality, standardized intelligent preservation production.

The present application relates to the technical field of agricultural microorganism monitoring, in particular to a microorganism action monitoring and analyzing system, which comprises a pollution detection module, a distribution identification module, a state analysis module, a cycle extraction module and a node tracing module.In the present application, the pollution identification basis is constructed based on the multi-channel electric conductance deviation trend and synchronism characteristics, the bacterial population distribution information is established by introducing the feature grouping mode of image texture, gray level and structure density, the consistency discrimination is conducted in combination with the directional deviation of the three types of response data of electric conductance, gas release concentration and pH, the continuity of microorganism function state recognition and the phased response accuracy are enhanced, and meanwhile, the chain table structure index path is constructed according to the sampling time, position and channel sequence, so that the front and rear order of state cycle and the behavior transition relationship can form a continuous mapping process, and the structural expression capability and rhythm construction efficiency of multivariate monitoring data in the microorganism action stage analysis are improved.

A method and system for detecting bioelectrical signals from a user, including establishing bioelectrical contact between a user and one or more sensors of a biomonitoring neuroheadset; collecting one or more reference signal datasets; collecting, at the one or more sensors, one or more bioelectrical signal datasets referenced to a combined reference signal dataset; and extracting one or more bioparameters from the one or more bioelectrical signal datasets.