68 results about "Agent detection" patented technology

The present invention relates to, in part, methods, reagents and apparatuses for the detection of agents. The present invention also relates, in part, to compositions including, but not limited to, flow cells, assay chambers, reagent reservoir delivery units and devices for holding an assay chamber. The present invention also provides various components and combinations of components for various detection apparatuses. The present invention also relates to a portable agent detection apparatus that can be used in the field or at a point of care and is not limited to specialized laboratories or limited to use by highly skilled users.

The present invention generally provides systems and methods for detection of agents of interest in a bulk quantity of matter, which also contains clutter and other constituents that typically interfere with the detection of one or more agents of interest. A detection system of the invention generally contains a collection subsystem for obtaining a bulk sample, an interrogation subsystem for generating one or more analytical signals representative of the composition of the bulk sample, and an analytical subsystem according to the teachings of the invention that implements the methods and algorithms of the invention for analyzing the sample analytical signals to determine whether one or more agents of interest are present, e.g., at quantities above a certain threshold, in the bulk sample.

A method for improved detection and imaging of ultrasound contrast agents using dual-band transmitted pulses, is described. The method is based on transmitting a pulse consisting of two frequency bands, a low frequency band which purpose is to manipulate the high frequency scattering properties of the contrast agent, and a high frequency band from which the image reconstruction is based. In addition, a general form of pulse subtraction is used to significantly suppress the received tissue signal.

The present invention relates to, in part, methods, reagents and apparatuses for the detection of agents. The present invention also relates, in part, to compositions including, but not limited to, flow cells, assay chambers, reagent reservoir delivery units and devices for holding an assay chamber. The present invention also provides various components and combinations of components for various detection apparatuses. The present invention also relates to a portable agent detection apparatus that can be used in the field or at a point of care and is not limited to specialized laboratories or limited to use by highly skilled users.

System and method of aerosolized agent detection. Multi-part collection tape is employed for capturing particles of interest for immediate analysis and optional forensic preservation and recording information related to capture and subsequent real-time analysis. Laser induced breakdown spectroscopic processing is employed and spectra attributable to known collection tape materials is subtracted to derive particle spectra for comparison to known hazardous agent spectra.

The method comprises: the repeater sends the detection message to the client side; if the client is over time and doesn't respond the detection message, then determines the client side is not on-line; ageing the security feature item corresponding to the client side; or, the repeater decides if the IP address of gateway repeater of client side equals the said repeater IP address; if not, said repeater sends an agent detection request to the gateway repeater to appoint it to detect the client side, and determines the client side is not on-line according to the off-line information returned by the gateway repeater. The invention also provides an apparatus for detecting the client side maintenance DHCP security feature table, which comprises a security feature table read-out module, a client side detection module and a security feature table ageing module.

Detection of particles in a liquid beneficial agent contained within a container includes selectively illuminating at least a portion of the liquid beneficial, obtaining an image from the illuminated portion of the liquid beneficial agent, analyzing image data representing the image, using a data processor, to obtain a particle concentration, measuring an image intensity value of the image data using the data processor, and determining a quality level of the liquid beneficial agent using the data processor based on the particle concentration and the measured image intensity value.

The invention discloses a washing agent input control method and a washing machine; the washing machine comprises a control module and a washing agent automatic input device; the washing agent automatic input device comprises a light transceiver; the light transceiver is connected with the control module; the washing machine control module receives washing agent detection information sent by the light transceiver so as to obtain the washing agent concentration, thus determining an input volume, and controlling the washing agent automatic input device to input the washing agent. The washing machine is simple in structure; the washing agent input control method is simple and wide in application scope.

A authentication method of network includes carrying out authentication on user device by authentication device according to 802.1x certification flow, sending EAP-key data message containing agent detection policy information to user device by certification device for starting up agent detection on user device if said certification is passed and receiving EAP-key data message contained with agent detection result information and sent from user device by authentication device.

System and method of aerosolized agent detection. Multi-part collection tape is employed for capturing particles of interest for immediate analysis and optional forensic preservation and recording information related to capture and subsequent real-time analysis. Laser induced breakdown spectroscopic processing is employed and spectra attributable to known collection tape materials is subtracted to derive particle spectra for comparison to known hazardous agent spectra.

The invention discloses portable fluorescent agent detection device which is characterized by comprising a rectangular casing, wherein an ultraviolet lamp is arranged in the end part of one end of the casing or at the end part; a color detection sensor and a main control module are arranged in the casing or on the casing; a display device for displaying a fluorescent agent detection result is arranged on the outer side of the casing; the color detection sensor and the display device are electrically connected with the main control module respectively; when the ultraviolet lamp irradiates an object to be detected, the color detection sensor detects a color on the irradiated object to be detected; the main control module receives color data information sent by the color detection sensor and calculates the fluorescent agent detection result; the display device displays a detection result output value. The fluorescent agent detection device disclosed by the invention is high in detection precision, high in automation degree, easy to operate and convenient to use; furthermore, the portable fluorescent agent detection device can be used for daily illumination, and is extremely high in practicability and suitable for being popularized energetically.

Methods and systems are disclosed for detection of agents such as pathogens or toxic substances and, in particular, to methods and systems for determining the most important background constituents to suppress in a sample, e.g., in a bulk aerosol sample, in order to reduce the probability of false alarms and improve the level of detection of potentially harmful airborne agents.

A method of detecting the presence of harmful agents in the environment is disclosed. The method comprises: providing a plurality of portable agent detectors, placing the detectors on vectors in the environment, connecting the detectors over a communication network, and, upon detection of an agent by a first detector, signaling detectors identified as being nearby to carry out corresponding agent detection tests, thereby to confirm or localize an initial agent detection.

Embodiments include a system, method, and computer program product for distributed intelligent pattern recognition. Embodiments include a cooperative multi-agent detection system that enables an array of disjunctive devices (e.g., cameras, sensors) to selectively cooperate to identify objects of interest over time and space, and to contribute an object of interest to a shared deep learning pattern recognition system based on a bidirectional feedback mechanism. Embodiments provide updated information and / or algorithms to one or more agencies for local system learning and pattern updating recognition models. Each of the multiple agencies may in turn, update devices (e.g., cameras, sensors) coupled to the local machine learning and pattern recognition models.

The invention discloses an agent detection method and device, relates to the technical field of the internet, and aims to solve the problem that the agent detection accuracy is low. The method in the invention mainly comprises the following steps of: obtaining request information of a flow message, wherein the request information includes a target IP, a target port and a transmission layer load; judging whether the target IP and the target port exist in a pre-set network agent database or not; if so, determining that the flow message is network agent flow; if not, according to the transmission layer load, judging whether the flow message is network agent flow or not; and, controlling the flow message according to pre-set strategy configuration by judging whether the flow message is the network agent flow or not. The agent detection method and device disclosed by the invention are mainly used for detecting whether the network request needs to access the internet through a network agent server or not.

The invention discloses a method and a system for monitoring service agents of a call center. The monitoring method comprises the steps that S1, a service agent detection unit is deployed on a first server, and a badge number forced quitting unit is arranged on a second server; S2, the service agent detection unit detects whether an abnormal badge number exists or not, the badge number forced quitting unit is started when an abnormal badge number exists, and each service agent in the call center corresponds to a unique badge number respectively; S3, the badge number forced quitting unit notifies a cell center system of the abnormal badge number; and S4, the call center forces the abnormal badge number to quit. The method and the system disclosed by the invention make up defects that a cell center in the prior art can only wait repair requests of the service agents passively and is low in manual processing timeliness and high in manpower consumption, can detect the service agent state quickly and promptly, discover problems actively and process abnormal service agents which are unavailable or abnormal timely, and thus improve the utilization rate of the service agents.

The present invention relates to compositions and methods for testing agents (e.g., Clostridium botulinum neurotoxin (BoNT) detection and analysis). In particular, the present invention relates to the use of Human induced pluripotent stem (hiPS) derived cells for agent detection and analysis.

A chemical agent detection system is described. The system comprises a sample introduction module, an agent concentration module and a detection module. The sample introduction module comprises a sample collector that collects particles and aerosols from a sample, and a heater that vaporizes the collected particles and aerosols and produces a sample vapor. The agent concentration module comprises a sorbent tube filled with a sorbent material that preferentially absorbs the vapor of a target chemical agent when the sample vapor passes through the sorbent tube. The detection module interrogates the sorbent material and identifies the target chemical agent absorbed to the sorbent material. Also disclosed are methods for detecting a non-traditional agent (NTA) or a dusty agent (DA), and trace levels of chemical warfare agents (CWA) and toxic industrial chemical (TIC) vapors.

The invention discloses an agent detection method based on domain name generic resolution, relates to the technical field of the Internet, and aims to judge whether an access request for a generic domain name is agent access or not by collecting DNS local resolution time of the generic domain name through a front end, shorten judgment time of agent detection and improve judgment accuracy. The method comprises the following steps: receiving an access request, wherein the access request is initiated to a random domain name after extensive resolution; collecting DNS local resolution time of the random domain name through a front end; and performing difference value judgment on the DNS resolution time, and if the DNS difference value is equal to 0, determining that the access request is proxyaccess. The invention further discloses an agent detection device based on domain name generic resolution, electronic equipment and a computer storage medium.

The invention provides a distributed map fusion method based on adaptive Kalman filtering and average tracking, and relates to the technical field of control and information. The method comprises thefollowing steps: firstly, constructing a network topological structure diagram of the multi-agent system, and determining an adjacent matrix; respectively establishing a state equation and an observation equation of each intelligent agent according to a motion sensor and a measurement sensor used by the intelligent agent; designing an adaptive Kalman filtering algorithm according to the state equation and the observation equation of each intelligent agent, obtaining local map information of each intelligent agent, converting the local map information into a form of an information vector and aninformation matrix, and designing and realizing a distributed map fusion method by utilizing an average tracking algorithm; and setting initial value information and road sign point information of aplurality of agents and statistical magnitude initial values of process noise and observation noise, operating a distributed map fusion algorithm, and continuously correcting the distributed map fusion algorithm according to an operation result until the algorithm converges, thereby finally obtaining a global map of an agent detection area.

The invention discloses a food safety detection device, which belongs to the technical field of food safety. The device includes a power supply module, a first-stage processing module, a detection agent detection device, a detection result output display system and a system control module, which can detect pesticides in fruits and vegetables Residues, biotoxins, and pathogenic food-borne bacteria content are tested. Compared with the prior art, the present invention has the advantages of high degree of automation, fast detection speed, and accurate measurement results, and is especially suitable for food processing plants and restaurants to detect the safety of fruits and vegetables, so as to eliminate food safety hazards from the source. effect.

The invention discloses receptor-modified and receptor-free titanium dioxide nano metal film Raman chips and a manufacturing method. Each chip is composed of a surface enhanced Raman scattering (SERS) film and a carrier thereof, the carriers comprise the capillary type carrier, the small box type carrier and the microfluidic channel type carrier, the SERS-films comprise the receptor-modified SERS-film and the receptor-free SERS-film, and six types of the Raman chips are obtained. Control standards are set in the manufacturing method, and the controllable SERS-film manufacturing method comprises the steps that 1, a titanium dioxide film is pulled through a sol-gel method, and scattered particles are crystallized; 2, a second-layer nano silver foil / silver particle SERS-film grows through photocatalysis; 3, the second-layer SERS-film is modified with specifically coordinated and combined receptor molecules through hydrogen bonding force or immune bonding force according to the needs of detected object donor molecules, and then a third-layer SERS-film is formed. The Raman chips can be applied to environmental pollution treatment and detection, hard drug and warfare agent detection, pesticide residue detection, harmful food additive screening, large-scale early-stage cancer Raman screening and the like.

The invention relates to a fluorescent brightening agent detection apparatus based on a cellphone platform and a detection method thereof, which can be used for detecting whether daily necessities contain a fluorescent brightening agent or not. The apparatus is composed of a clamping ring, a housing, a lens, a UV LED light source, a master control circuit board, an upper clamp plate, a torsion spring, a shaft, a lower clamp plate, and a rubber pad, when a to-be-detected sample is irradiated by the UV LED light source, excitant fluorescence is collected by a cellphone camera, image acquisitionis carried out by using a camera function of a cellphone, an comparison analysis is carried out on APP having image comparison and analysis functions, and whether the sample contains the fluorescent brightening agent or not can be obtained. The detection method is simple and convenient for operation, and the apparatus has the advantages of simple operation, convenient carrying, high testing precision, high security, and attractive price and quality.

The invention discloses a detecting method of an oxygen-generating agent and the device thereof. The invention comprises a reactor and a pressure gauge. The panel of the reactor is provided with a sample charging nozzle and a pressure gauge sensor connecting nozzle, a sealing plug is provided on the sample charging nozzle, and the sample to be detected and the reagent can be charged into the reactor through the sample charging nozzle. Chemical reaction is taken in the sealing system between the oxygen-generating agent and water, then oxygen is put out and pressure is produced; the active oxygen content index of the sample is determined according to the numerical value increased of the system pressure; and at the same time, the carbon dioxide in the oxygen-generating agent exists in the state of potassium carbonate and calcium carbonate, thick hydrochloric acid is added into the oxygen-generating agent, and carbon dioxide is produced. And the carbon dioxide content index of the sample is determined according to the numerical value increased of the system pressure. The invention has the advantage that the content of active oxygen and carbon dioxide in the oxygen-generating agent can be conveniently grasped. And the invention can be widely used for the detecting of the oxygen-generating agent of the submarine lifesaving device and the danger escaping device.

The invention relates to a methyl 3-(2-(2-hydroxyethoxy)ethoxy)propanoate modification agent detection method. The detection method comprises the following steps: preparing a standard sample; preparing a standard liquid; drawing a standard curve; and determining, namely, injecting a to-be detected sample solution into ion extrusion high performance liquid chromatography for detection, referencing the standard curve and performing peak area quantitative calculation according to quantitative ion. The detection method is rapid, simple, accurate, mild in conditions and easy to operate, is applicable to PEG microscale and semi-microscale determination, and is applicable to PEG modification agents and content determination and quality control of PEG modified medicaments.

The invention relates to the field of sizing agent detection, in particular to a sizing agent soaking detection method, wherein the sizing agent soaking detection method comprises the following steps:1, a to-be-detected sizing agent is detected, to be more specific, a), a solution of the to-be-detected sizing agent is prepared, b), a paper board is soaked in the solution of the to-be-detected latex, c), the paper board absorbs the solution of the sizing agent to become a wet paper board; d), the residual to-be-detected sizing agent solution is removed; e), the semi-dry paper board is dried toobtain a to-be-detected board; and f) the to-be-detected board is detected to obtain detection data; 2, the to-be-detected sizing agent solution is changed into a standard sizing agent solution, thestandard sizing agent solution is subjected to multiple times of detection according to the steps a) to f) to obtain standard range data; and 3, the detection data is compared with the standard rangedata to obtain a conclusion. According to the sizing agent soaking detection method, the actual production is simulated, sizing agent performance tests are completed in a laboratory, the production and detection of the to-be-detected sizing agent on a machine are avoided, and the detection and the production cost are greatly saved.

An indoor air quality monitoring system (20) is adapted to function within a space (26) utilizing a building subsystem (22), such as a heating ventilation air conditioning (HVAC) unit, configured to control an ambient parameter, such as temperature, humidity or lightning, in the space (26). The system (20) includes an agent detector (30) configured to detect an agent in ambient air, such as smoke, biohazards or particulate matter, and sequentially output an initial agent measurement signal and a subsequent agent measurement signal. A controller (34) of the system (20) includes a processor and a storage media. The controller (34) is pre-programmed with an agent threshold value, and configured to receive the initial agent measurement signal, compare the signal to the agent threshold value, and if the signal exceeds the agent threshold value, then send a command signal to the subsystem (22) to alter the ambient parameter associated with the agent detector, and then receive the subsequent agent measurement signal from the agent detector associated with the altered ambient parameter.