455 results about "Sample handling" patented technology

The invention relates to a soil detection system and a detection method. Soil detection equipment comprises a sampling module, a positioning module for generating original point sampling coordinates, a sample treatment module for chemical, electrochemical and biological treatment means, a detection module, a detection database, a detection control module, a generating and sending module and a sending and receiving module. The detection method comprises the steps of sampling and processing, binding coordinates, comparing abnormal data through preliminary detection, generating a pollution map, carrying out secondary detection on abnormal data, calculating a spatial uncertainty index, dynamically generating a near-origin secondary sampling coordinate, circularly sampling and detecting until the index reaches the standard or the density upper limit, and finally generating the pollution map and a prediction model. And the detection database is updated and optimized through machine learning.

The invention discloses a pesticide residue quantitative analysis system based on Raman spectrum, and relates to the technical field of analytical chemistry and detection.The pesticide residue quantitative analysis system comprises an acquisition module, a processing module, an analysis module and a regulation and control module, the acquisition module is used for acquiring samples and Raman scattering signals, converting the Raman scattering signals into original spectrum data and transmitting the original spectrum data to the processing module; calibrating the original spectrum data, acquiring calibrated spectrum data, transmitting the calibrated spectrum data to an analysis module, comparing the calibrated spectrum data with a pesticide standard spectrum library, outputting a quantitative analysis result of pesticide residues, transmitting the quantitative analysis result to a regulation and control module, storing the pesticide standard spectrum library and the calibrated spectrum data, and correcting sample detection deviation by using the calibrated spectrum data. And through the regulation and control unit, full-process automatic operation from sample processing to result output is realized, the detection reliability is improved through spectrum compensation and characteristic peak comparison, efficient automation is realized through task scheduling and time sequence synchronization, and hardware fault tolerance, authority management and multi-scene adaptation capabilities are realized.

The invention discloses a digital acoustic fluidic chip, a preparation method and a multi-dimensional sample processing method, the digital acoustic fluidic chip comprises an upper polar plate and a lower polar plate, and the upper polar plate comprises a glass layer, a coating layer and an upper hydrophobic layer which are arranged in sequence; the lower polar plate comprises a lower hydrophobic layer, a dielectric layer, an electrode layer and a substrate which are arranged in sequence; the electrode layer comprises an EWOD pin electrode, a driving electrode, a sound wave pin electrode and an interdigital transducer; the interdigital transducer comprises a sound field and electric field multiplexing module, a sound standing wave field and thermal field module, a focusing sound field and thermal field module and a sound vortex enrichment module; each driving electrode is connected with one EWOD pin electrode, the two sides of the sound field and electric field multiplexing module, the two sides of the sound standing wave field and thermal field module, the two sides of the focusing sound field and thermal field module and the two sides of the sound vortex enrichment module are all connected with the two sound wave pin electrodes, and one side of the sound field and electric field multiplexing module is further connected with one EWOD pin electrode. The method has the advantages of multi-dimensional sample treatment and high-flexibility treatment.

Provided herein are kits, systems and methods for analyzing analytes from a biological sample. The system includes an upper housing configured to receive a sample substrate and a thermal element configured to control a temperature of the sample substrate. The system includes a lower housing and an alignment mechanism coupling the upper housing to the lower housing. The alignment mechanism is configured to move the upper housing, the lower housing, or both into an arrangement having an open configuration, a closed configuration, or an intermediate configuration therebetween. The thermal element is configured to cool the sample substrate.

The invention provides a micro-fluidic chip which comprises a uniform mixing layer, a chip dissolving cavity-dilution layer, a filtering layer and a focusing layer, cell sap and diluent can be preliminarily mixed by the uniform mixing layer and then fully diluted in the dilution layer, and the problem of non-uniformity possibly caused by single-time large-amplitude dilution is avoided. Then, the filter layer can effectively remove impurities and clotted cells. And finally, the focusing layer realizes cell focusing. The four functional layers of uniform mixing, diluting, filtering and focusing are sequentially stacked and integrated, so that the overall size of the microfluidic equipment is remarkably reduced, and high automation and optimization of the whole sample treatment process are realized.

Provided is a characteristic element combination anomaly derivative method of determining occurrence of a deep concealed plate-shaped ore body of a hydrothermal deposit. The method determines the spatial occurrence of the deep concealed ore body of the hydrothermal deposit through four working procedures, including: fine measurement of a metallogenic structure and systematic collection of samples, sample processing and multi-element quantitative analysis, mathematical model construction of characteristic element combination anomaly, and determination of the occurrence (the strike, the dip direction, the dip angle and the pitch direction) of the deep concealed ore body. The method solves the problem of judging the occurrence of the deep concealed ore body by interpreting geochemical anomalies of a primary halo and a secondary halo.

The utility model provides a high-flux non-contact ultrasonic crusher driven by fluid to rotate, which is provided with an annular groove, and liquid discharged from the interior of the annular groove relatively acts with a bracket baffle at the bottom of a disc-shaped bracket, so that the disc-shaped bracket is driven by the fluid to rotate relative to the annular groove, and ultrasonic treatment is carried out in the annular groove. According to the invention, batch samples are rotated in the annular ultrasonic field, so that the batch samples can be ultrasonically crushed under the same condition, the treatment condition is homogenized, the sample treatment capacity requirement is met, the consistency of sample crushing results is improved, and the treatment efficiency is greatly improved.

Described herein are methods, kits and systems for sample enrichment, multi-step library preparation, sample normalization, detection of sample biomolecules and combinations thereof. Enrichment and multi-step library preparation is described in the context of microfluidic workflows. Sample barcoding methods and kits are described for increasing sample throughput while reducing background in negative samples. Integrated microfluidic devices comprising sample processing unit cells coupled to an array of reaction sites are provided for integrated workflows.

The invention relates to the technical field of water quality detection, and particularly discloses a water quality detection device and method based on water environment pollution control, and the device comprises a water quality sampling assembly which is used for collecting layered water quality samples at different depths of a to-be-detected water area; the sample treatment assembly is communicated with the water quality sampling assembly and is used for mixing the layered water quality samples; the water quality data detection assembly comprises a first water quality data collector and a second water quality data collector; the data processing assembly is electrically connected with the water quality data detection assembly and used for processing and outputting the layered water quality index data and the mixed water quality index data, and the data processing assembly comprises a data preprocessing unit and a multi-dimensional data fusion unit which are in signal connection with each other so as to output standardized water quality data, the multi-dimensional data fusion unit is used for carrying out fusion processing on the standardized water quality data; therefore, the detection precision of the water quality detection device is improved.

Interoperable systems for performing sample preparation and analysis in a closed environment include a fluidic cartridge, including chambers for sample and reagents and sample processing, reaction chambers, chamber-connecting channels, and fluid control valves, actuators for closing and selectively opening one or more valves of the cartridge, a syringe pump and syringe driver for effecting fluid movement between chambers of the cartridge, thermal modules for heating or cooling reaction chambers disposed between the thermal modules, a thermal module actuator for moving the thermal modules into and out of thermal contact with the reaction chambers, a contact detector for detecting the presence of a fluidic cartridge between the thermal modules, optical fibers for transmitting optical signals through openings in at least one of the thermal modules, and optical devices for transmitting optical signals through the fibers to the reaction chambers and / or receiving optical signals transmitted by the optical fibers from the reaction chambers.

The invention relates to the technical field of geological exploration, and particularly discloses a geological exploration data extraction method, which comprises the steps of multi-source data acquisition, preprocessing, feature data extraction, data fusion and verification and data output. Geological radar data, gravity data, magnetic method data and soil samples are collected; the pretreatment comprises filtering, correction and sample treatment; feature extraction comprises fault wrinkle identification, abnormal body distribution inversion and element content analysis; building an association model by fusing data, and reworking when field verification is carried out and the accuracy is lower than 85%; and finally outputting the data passing the verification. According to the method, multi-source data are integrated, technologies such as self-adaptive median filtering are adopted, through fusion verification, the comprehensiveness, accuracy, reliability and efficiency of data extraction are improved, and the method adapts to a complex geological environment.

The present application relates to the technical field of coal sampling machinery, and particularly relates to a novel automobile sampling machine, which comprises a sampling execution device, a sample processing device and a control device. The sampling execution device is provided with a screw drill type sampling head, a driving mechanism, a lifting mechanism and a cleaning mechanism; the sample processing device comprises a sample collector and a sample preparation unit. The control device is connected with each device through an industrial communication bus and is configured to perform a sampling point random determination operation to generate coordinate information, control the sampling head to move to a target position, then drive the outer cylinder sawtooth structure to rotate and cut and break the lump coal in a breaking mode, and then switch to a sampling mode to drive the internal drill rod to drill and sample; the sampling amount is monitored through a sensor to generate a stop signal, the sampling head is controlled to be lifted to the sample collector to release the coal sample, and finally the cleaning mechanism is started to clean the residues. The present application realizes the automatic sampling of coal of all particle sizes and effectively solves the sample distortion problem caused by the fact that lump coal cannot be sampled.

This invention discloses a controlled-release solid film formulation for pesticides, its preparation method, and its applications. This invention upgrades pesticides from liquid / powder formulations to solid film formulations, utilizing the solid film to physically block pesticide drift, diffusion, and loss, reducing off-target effects at the source. Through the combined use of physical and chemical techniques, pesticides are uniformly distributed within the solid film, and the pesticide release cycle is synchronized with the solid film degradation, achieving precise controlled release. This solid film formulation is applied from the beginning of crop growth, synchronized with the plant growth cycle, providing early preventative effects through quantitative controlled release of pesticides. This solid film formulation also functions as a mulch film; its preparation process is simple and easy, it is completely degradable and requires no recycling, reducing costs. The identification method of this invention utilizes selective precipitation separation technology, achieving high pesticide extraction efficiency of 95%-98%, especially suitable for low water-soluble pesticides. The drug identification process is simple to operate: the entire process takes less than 4 hours, requires no complex purification steps, and is suitable for batch sample processing.

Systems and corresponding methods transfer liquid sample from a first container having a cap with a sample collection swab coupled thereto to a second container having a cap without such sample collection swap coupled thereto. Other systems and corresponding methods remove a cap having no sample collection swab coupled thereto from a first container and remove a cap having a sample collection swab coupled thereto from a second container containing a liquid sample. The cap with the sample collection swab coupled thereto is then secured to the first container and the cap having no sample collection swap coupled thereto is then secured to the second container.

This utility model relates to the field of metallographic preparation technology, specifically to a metallographic sample fixture, including a base, a support platform for placing metallographic samples on the base, a housing between the support platform and the base, and a plurality of claws arranged in a circular array on the housing. The claws are rotatably connected to the housing, and the top of the claws has a protruding abutment portion. A push rod is slidably arranged on the housing, one end of the push rod abutting against the bottom of the claws. An adjustment component is provided inside the housing, the adjustment component including a turntable and a plurality of protrusions arranged in a circular array on the circumference of the turntable. The outer surface of the protrusions protrudes outward to form an arc-shaped surface, and the arc-shaped surface of the protrusions abuts against the other end of the push rod. The metallographic sample pre-fabrication fixture provided by this utility model has a simple structure and is easy to operate, which can solve the problems of difficult sample handling and uneven sample grinding during the metallographic sample polishing process.

An automated apparatus can provide pre-analytical processing of samples, racking and forwarding to an adjacent analyzer for analysis. The apparatus may have a controller that implements an auto-learn process to teach robotic handlers the locations within the workspace(s) of the apparatus. A robotic sample handler may include a sensor configured to generate a detection signal when in a near vicinity of a fiducial beacon in the workspace of the apparatus for biological sample preparation, preprocessing and / or diagnostic assay performed by one or more analyzers of the automated apparatus. The controller may control the robotic sample handler to conduct a search pattern so that a location of the fiducial beacon may be detected and thereafter calculated to obtain a more accurate location of the beacon. The calculated positions may then serve as a basis for the controlled movement of samples by the robot to and from locations of the workspace.

The application discloses a flow cytometry sample processing system and belongs to the technical field of automatic processing of biological samples. The flow cytometry sample processing system comprises a machine table, a flow tube block placing structure, a transfer mechanical arm, a shaking module and a centrifuge. The flow tube block placing structure is arranged on the machine table, a flow tube block is arranged on the flow tube block placing structure, a flow tube is arranged on the flow tube block, the transfer mechanical arm provided with a clamping jaw can integrally transfer the flow tube block provided with a clamping hole to the shaking module and the centrifuge, and the whole process automation is truly realized, and the sample centrifugal processing efficiency is improved.

The invention discloses washing detection equipment based on a low stretch yarn antistatic polyester fabric, and relates to the technical field of fabric washing detection, the washing detection equipment comprises a main body shell, Faraday cups and a sealing cover, the Faraday cups are symmetrically embedded in the main body shell, the sealing cover is rotatably connected to the tops of the Faraday cups, and the washing detection equipment further comprises a first assembly; the first assembly comprises a side plate, a guide groove, a direction adjusting part and a roller; through the design of a guide groove in the first assembly, the detection efficiency can be remarkably improved, only one piece of sample fabric can be operated each time in a traditional detection mode, and through the design of the guide groove in the first assembly, the electrostatic friction action can be carried out on two pieces of sample fabric at the same time; by means of the improvement, the sample handling capacity of single-time detection is doubled, more fabric detection can be completed within the same time, time consumed by large-scale detection tasks is greatly shortened, the requirements of enterprises for efficient and batch detection are effectively met, and the detection work efficiency is remarkably improved.

In one aspect, the application relates to a robotic sample handling system comprising a controller and a robot arm, the robot arm being controllable to be positioned within a horizontal XY plane parallel to a work area and along a vertical Z axis perpendicular to the work area. The work area comprises a module provided with a movable element (550) for interacting with a sample container (170). The module is equipped with a mechanism comprising: - a first linear element (210) and a second linear element (220), the first and second linear elements extending along the vertical direction Z and being mounted to the module in such a way that each linear element is movable in a downward and upward direction between a raised position and a lowered position; and - at least one rotor element (230) engaged with each of the first and second linear elements, such that when one of the first and second linear elements is in the raised position, exerting a downward force on this linear element results in: displacement of this linear element in the downward direction; rotation of the at least one rotor element; and, displacement of the other linear element in the upward direction. The movable element (550) is mounted in connection with the rotor element and is displaceable between a first position and a second position. The controller is configured to control the robot arm to displace the movable element by pushing against one of the first and second linear elements in the Z direction downward when this linear element is in the raised position.

The present application relates to the technical field of task scheduling, in particular to a sample pretreatment transfer process control system, which comprises a sample information management module, a sample state tracking module, a path scheduling module, a sample environment control module, a sample processing flow coordination module and a transfer process control module, the present application comprises a double-layer intelligent scheduling architecture composed of a strategy scheduling layer and a path execution layer, dynamically perceives task disturbance, and adjusts the scheduling sequence in real time through a hierarchical population collaborative guidance algorithm, thereby improving the task response efficiency and the flexibility of the overall operation of the system; the present application introduces an asymptotic path planning algorithm based on bidirectional potential induced search, and adopts a Bezier curve fitting in the path optimization stage, thereby realizing the collaborative optimization of path smoothing and dynamic obstacle avoidance; the present application introduces a temperature and humidity joint regulation algorithm based on fuzzy control in the sample environment control module, and perceives and adjusts the temperature and humidity and other environmental parameters in the transfer process in real time according to the sample type and detection requirements.

This plasma processing device suppresses the adhesion of foreign matter to a sample when the sample is separated.　The plasma processing device comprises: a processing chamber which is disposed inside a vacuum container and in which plasma for processing a sample is formed; and a sample table which is disposed inside the processing chamber and on a top surface of which the sample is placed and held. The following steps are executed: a first step in which, after the processing of the sample has been completed, plasma is formed using gas supplied into the processing chamber, and in that state the sample is raised to a position spaced apart from the top surface of the sample table in the upward direction and then placed on the top surface again; a second step in which, after the sample has been placed on the top surface of the sample table again, power is supplied to an electrode inside the sample table and the sample is charged to a positive potential, and in that state the plasma is extinguished; and a third step in which, after the supply of power to the electrode has been stopped, the sample is moved to a position spaced apart from the top surface of the sample table in the upward direction.

The utility model provides a raw ore solid sample processing and dividing device which comprises a mounting frame, the material guide frame is fixedly mounted at the top of the mounting frame; the multiple first material distribution grooves are formed in the inner side face of the mounting frame; and the multiple second material distribution grooves are all formed in the inner side face of the mounting frame, and the multiple first material distribution grooves and the multiple second material distribution grooves are alternately arranged. According to the raw ore solid sample processing and dividing device provided by the utility model, the mounting frame, the material guide frame, the first material dividing groove, the second material dividing groove and other structures are matched with one another, so that the labor intensity of operators is greatly reduced when the device is used, and the sample processing time and procedures are reduced in the aspect of improving the ore processing production efficiency; and the continuity and smoothness of the whole production process are improved, so that the ore processing production efficiency is promoted.

The invention discloses an atmospheric pollutant prevention, control, monitoring, early warning and traceability system, and belongs to the technical field of environmental science. The system comprises the following steps that S1, a sample collection module collects all pollution source samples in a target area, a source sample processing and analyzing module analyzes source sample feature vectors after preprocessing all the pollution source samples in the area, and a traceability matching module constructs an atmospheric pollutant matching model according to the source sample feature vectors of all the pollution source samples; and S2, when the source of the atmospheric pollution source needs to be traced, a sample collection module collects an environmental gas sample in the target area, and pollutant feature vector analysis is carried out on the collected environmental gas sample. A target area pollution source sample is collected through a sample collection module according to a standard, after pretreatment, source sample feature vectors such as chemical components, isotopes and physical features are comprehensively analyzed, a multi-dimensional and standardized data source is provided for subsequent traceability, and the accuracy and reliability of a matching model are ensured.

The present invention belongs to the field of medical technology, and in particular relates to a combined hemoglobin and chyle detection device and method. The device comprises a housing, an analysis mechanism disposed within the housing, and a colorimetric tube inserted into the upper surface of the housing. The analysis mechanism comprises a light source module, a sample processing module, an optical detection module, and a data processing module. The optical detection module synchronously acquires absorbance signals at two wavelengths using dual detectors. The data processing module calculates hemoglobin concentration and chyle level based on the dual-wavelength absorbance values. Unlike traditional single-index detection, the present invention achieves for the first time the simultaneous analysis of dual parameters of hemoglobin and chyle, significantly improving the efficiency of initial screening before blood donation. A dual-wavelength correction algorithm is employed to eliminate the interference of residual absorption of hemoglobin at 540 nm that affects the determination of the chyle index, and to eliminate the interference of absorption of chyle at 600 nm that affects the determination of hemoglobin. The device is suitable for rapid screening at the blood collection site to achieve information management of detection data.

The invention relates to the technical field of sample treatment equipment, in particular to a centrifuge tube supernatant full-amount transfer device which comprises a device main supporting assembly, a transfer assembly is mounted at the top of the device main supporting assembly, a clamping assembly is mounted in the transfer assembly, and a receiving container feeding and discharging mechanism is mounted on one side of the transfer assembly. A sample tube cover dismounting and mounting mechanism is mounted at the top of the device main supporting assembly. Relative reaction is generated through the volume change of a sample and the telescopic pressure sensor, then electric signals are transmitted to the heating assembly in the cavity block, the heating assembly heats residual materials in the sample tube through the arc-shaped clamping disc, the sample tube is driven to rotate at a high speed through the gear built-in frame, and due to the fact that the residual amount of the residual materials is small, the sample tube can rotate at a high speed. And hydrogen bonds or Van der Waals force among particles can be easily damaged by heating and centrifugal action, so that particle aggregation is reduced, and the separation efficiency is improved.

The invention discloses a multi-channel extensible automatic sample loading system for DNA storage and calculation and a control method. The system comprises a gas path control device, a multi-channel sample introduction device, a liquid flow control device, a multi-liquid-path liquid collection device, a micro-fluidic chip and an upper computer, operation control over the whole system is provided through the upper computer, a user can adjust the sample injection sequence and the reaction time of each channel, the liquid flow and the gas flow of each channel are monitored and adjusted in real time in an experiment, and multi-channel and high-precision automatic sample injection is achieved. According to the invention, accurate injection and automatic control of samples are realized, the efficiency and precision of sample treatment are greatly improved, and high automation, high-precision sample injection and multi-channel low cross contamination control capability are realized; the expandability is high, and modular expansion to hundreds of channels or even hundreds of channels is supported; meanwhile, the method is compatible with various application scenes, and is suitable for the fields of high-throughput DNA calculation, DNA information storage, biomedical detection and the like.

The invention relates to a material handling unit for a mobile industrial robot (1) for the automation of laboratories in the field of laboratory medicine, and to a laboratory installation comprising the mobile industrial robot (1) and the material handling unit mounted on the industrial robot (1). The material handling unit includes a carrier (2) mountable on the industrial robot (1) and one or more sample handling units (3), each containing a sample holder (6) for receiving laboratory sample containers and a sample holder grip (5) for secure fixation. In combination with the mobile industrial robot (1), the material handling unit enables optimized sample logistics through the rapid provision and transport of laboratory samples, reduction of the travel distances of the industrial robot (1), and increased process efficiency.

A rapid formaldehyde content detection device for hair products, relating to the field of formaldehyde detection technology, is used to achieve rapid and accurate detection of formaldehyde in hair products while meeting the requirements of convenience. The rapid formaldehyde content detection device for hair products includes a housing, an optical detection system, a sample processing system, an electronic control system, a software system, and a transparent detection tube. The housing is rectangular, with three drawer-style compartments inside: the upper compartment is the optical detection system compartment, the middle compartment is the electronic control system compartment, and the lower compartment is the sample processing and storage compartment. Shock-absorbing rubber pads and metal supports are installed between the optical detection system compartment and the electronic control system compartment, and between the electronic control system compartment and the sample processing and storage compartment. The bottom of the housing has binding straps for securing it, and the side of the housing has an openable transparent observation window. The optical detection system includes a laser light source module, a spectral collection component, and a detector. The sample processing system includes a sample stage, auxiliary devices, and a transparent detection tube.

A method of loading consumables into a sample processing instrument. In the method, a tray storing sample processing consumables is aligned with a support cavity defined by a support of the sample processing instrument. A flange is contacted with a portion of the support, where the flange extends outward from a wall of a cover coupled to the tray. The cover is decoupled from the tray by pressing a panel of the cover, and the tray is seated in the support cavity.

A robotic system for automated sample preparation is provided. A system of interest includes: a plurality of sample processing modules; a plurality of robotic components integrated with the sample processing module; a processor including a memory operably coupled to the processor, where the memory includes instructions stored thereon that, when executed by the processor, cause the processor to control the sample processing module and the robotic assembly, to: operate the sample processing module and robotic assembly to prepare a plurality of samples for flow cytometry analysis; and an operable connection between the processor, the sample processing module, and the plurality of robotic components. Systems according to certain embodiments also include a flow cytometer, where the plurality of robotic components are further integrated with the flow cytometer, where the memory further includes instructions stored thereon, the instructions, when executed by the processor, cause the processor to control the sample processing module, the robotic assembly, and the flow cytometer to: load each prepared sample of the plurality of samples into the flow cytometer; and operating the flow cytometer to analyze each prepared sample of the plurality of samples, wherein the operable connection operably connects the processor, the sample processing module, the flow cytometer, and the plurality of robotic components together. Methods of use and configurations or designs of the system are also provided.