34results about How to "Easy sample collection" patented technology

A low pressure sample collection apparatus includes a double-ended cap member having similarly sized plug members extending from opposite sides, a vacuum connection nipple on one side and a shaft connection portion one the opposite, a passage extending through the cap from the nipple to the shaft connection portion, a tubular shaft connected to the shaft connection portion and having a sample collection swab member secured to an outer end thereof, and a container member having one end closed and an opposite end open. The cap member is reversibly plugged into the container either to use the container as a handle or to position the swab within the container for protection. A vacuum source may be connected to the assembly to draw air through the swab. The shaft may have a barrel telescoped thereon for separation of the swab from the shaft without contacting the swab.

A veterinary instrument for use in animal husbandry that includes an inner member with a swab or similar element attached at one end, located inside a second inner member meant to protect the innermost member and attached swab, and an outermost member that surrounds both inner members and has a closed mold manufactured protective cap on one end. The instrument has one or two safety pins which ensure that the instrument cannot be used until they are removed.

Muscle cramps can be reduced or avoided by monitoring the concentration of salt in perspiration to indicate the degree of salt depletion. Based on the degree of salt depletion, a sufficient amount of rehydration beverage is consumed to normalize the salt level.

The invention discloses a tumor ctDNA information statistical method. The tumor ctDNA information statistical method comprises the following steps: (1) DNA extraction and sequencing, (2) sequence comparison, (3) basic statistics, (4) sequencing batch correction, (5) sequence feature correction, (6) copy number variation detection, and (7) fragment difference statistics. The tumor ctDNA information statistical method takes ctDNA as a detection index, and detection can be carried out by only collecting a small amount of peripheral venous blood of a testee. By the tumor ctDNA information statistical method, it is convenient and simple to collect samples, and a detection range can be expanded to terminal patients who are not suitable for collection of samples of biopsy tissues.

A device for blending materials and a bag for use in such devices. The device has at least one paddle for acting on a sample and a carrier against which a sample may be crushed by the paddle. The device is arranged to allow adjustment of the spacing between the paddle and carrier during operation. The bag is suitable for use in such a device but can be used in other devices.

A fluid sample collection device for a disk-based fluid separation system is disclosed. The disk-based separation system includes a compact microfluidic disk with at least one flow channel pattern formed on a side surface of the disk. At least one orifice is formed on an outflow boundary of the disk and is designed in fluid communication with the flow channel pattern through a communication channel. The fluid sample collection device includes at least one collection tube having an open end serving as a fluid receiving end and corresponding to the orifice of the disk with a distance. When the disk is rotated, at least a portion of fluid sample in a sample processing reservoir formed on the disk is delivered by centripetal force through the communication channel and the orifice, and finally the expelling fluid sample is collected in the collection tube.

The present invention discloses a biomarker for mass colorectal cancer screening, wherein the biomarker is RSPO2 gene. The present invention further discloses a RSPO2 gene methylation MSP detection method, which comprises the following steps: extracting genome DNA containing RSPO2 gene, and detecting purity and content; carrying out treatment modification by using sodium bisulfite; adopting the modified DNA as a template, designing RSPO2 methylation specific primers, carrying out PCR amplification, and then taking the PCR product to carry out electrophoresis detection; and analyzing a result, wherein a methylation positive result exists if a 139 bp band product is amplified through the RSPO2 methylation specific primers, ie., RSPO2 methylation exists. According to the present invention, RSPO2 is adopted as a biomarker for mass colorectal cancer screening, and an RSPO2 methylation status detection method is provided, such that whether patients suffer from colorectal cancer can be detected, and characteristics of no invasion, convenient and flexible sample collection, and the like are provided.

The invention relates to an individual sampler which is an environment gas sampling apparatus, and belongs to the fields of gas monitoring and sampling in environment protection. The apparatus comprises a housing, a cell, a micro air pump, a man-machine interactive system, a system measurement and control module and a constant flow surge bin. The cell, the micro air pump, the system measurement and control module, the constant flow surge bin and a mass flow rate sensor are arranged in the housing. An air inlet end of a filter communicates with a sampling air inlet, and an air outlet of the filter communicates with an air inlet of the micro air pump; an air outlet of the micro air pump communicates with an air inlet of the constant current surge bin; an air outlet of the constant current surge bin communicates with the flow rate sensor; and an air outlet of the sensor communicates with a sampling air outlet of the individual sampler. The apparatus can realize full flow range accurate control and constant flow sampling and provide multiple intelligent sampling modes, has characteristics of low costs, small volume and size, convenience for carrying and sampling in any environment and provides convenience for various detecting mechanism; therefore, the apparatus has wide application aspects.

The invention provides a cave system type water and soil loss monitoring method and an apparatus thereof. The method comprises the following steps: carrying out tracing researches to determine a superimposed soil point position corresponding to a cave water and soil loss point; collecting the superimposed soil point corresponding to the cave water and soil loss point; monitoring the water and soil loss of the cave water and soil loss point, and sampling the cave water and soil loss point; carrying out experiment analysis on a collected water sample and a collecting soil sample; and analyzing and processing obtained data to obtain a conclusion. Important references are provided for researching the underground water and soil loss of rocky desert areas and systemically researching the water and soil loss of the earth's surface in order to provide scientific basis for monitoring and evaluating rocky desert environment and assessing treatment benefits. The method and the apparatus belong to the field of rocky desert environment researches.

The invention discloses a soil detection equipment for detecting deep soil. The soil detection equipment comprises a mobile vehicle body, an equipment box set on the mobile vehicle body, a lifting device set on the mobile vehicle body, and a collection device set at the bottom of the lifting device. The collection device comprises a collection box set at the bottom of the lifting device and a drill bit set at the bottom of the collection box. A support plate is set on the mobile vehicle body. The equipment box is set on the support plate. The lifting device comprises a lifting guide rail set at one side of the equipment box, a lifting rack which penetrates the support plate and fits with the lifting guide rail, lifting motors set at two sides of the lifting rack, and driving wheels fittingwith the lifting racks. According to the soil detection equipment, deep soil can be detected, the equipment can enter land to sample and collect the soil, and reparation management of the coil of anarea is facilitated.

Provided is a simple and easy to operate device for collecting and extracting fecal samples. The collection device of the invention comprises a top cap mounted with a sample collection means, a middle cap inserted with an elastic sealing funnel, and a bottom container having only one opening. The device can collect fecal samples with a quantitative sampling accuracy comparable to that of the conventional weighing method. It can also be easily adapted to automated multi-sample extraction and immunoassays.

The invention discloses an isolated food quality detection sampling device, and belongs to the field of food sampling equipment. The isolated food quality detection sampling device comprises a working box, a sampler storage box is fixedly installed at the inner end of the working box, and a sampler cleaning box is fixedly installed at the inner end of the working box; food around a to-be-sampled sample can be cut and isolated through an auxiliary sampling cylinder, then the sample is effectively sampled into a sampling groove in a sealed mode through extraction of the sampling rod mechanism in the transparent sleeve, and then the sample is collected in the sampling device in a sealed mode through cooperation of a rotating ring and a telescopic pipe in the sampling and collecting mechanism,the likelihood of contamination of the obtained sample is reduced, and meanwhile, through cooperative use of an auxiliary cleaning mechanism and the sampler cleaning box, the interior of the sampling groove is effectively cleaned in time, the cleaning time of the sampling device is shortened, the use efficiency of the sampling device is effectively improved, and the working efficiency of subsequent food detection is improved.

Provided is a simple and easy to operate device for collecting and extracting fecal samples. The collection device of the invention comprises a top cap mounted with a sample collection means, a middle cap inserted with an elastic sealing funnel, and a bottom container having only one opening. The device can collect fecal samples with a quantitative sampling accuracy comparable to that of the conventional weighing method. It can also be easily adapted to automated multi-sample extraction and immunoassays.

The invention relates to a method and a device for collecting and sampling unconventional components in methanol car tail gas. The method comprises the following steps: injecting 5ml of pure water into an absorption pipe and adding silica gel and active carbon into a sampling pipe; connecting a four-way pipe, a condensation pipe, the absorption pipe, the sampling pipe, a silica gel drying bottle and a gas meter in sequence, wherein the condensation pipe, the absorption pipe and the sampling pipe are arranged in an ice water groove; starting a methanol car engine to be under an idling condition; setting a sampling flow of the sampling pump and recording a temperature and a pressure in a pipeline in the sampling process and controlling a sampling amount to be about 250L; and finally, converting a collected tail gas volume into a volume under a standard state. A collected sample in the absorption pipe is immediately stored into a freezer at -20 DEG C. The invention mainly provides the method and the device for collecting and sampling the unconventional components in the methanol car tail gas, which can be used for biological and physiochemical tests; the technical problem in the prior art that the collected samples of the unconventional components in the methanol car tail gas cannot be used for the biological and physiochemical tests is solved.

The present invention describes novel methods for the specific detection and identification of Chlamydophila psittaci genotypes. According to one embodiment the method makes use of quantitative PCR with internal probes and optionally competitor probes which increase specificity. The invention also describes a strain of Cp. psittaci with a novel genotype EB and methods to distinguish said novel genotype from previously identified genotypes.

The invention discloses an energy-gathered charging structure for assisting in sampling of foreign planet minerals. The energy-gathered charging structure comprises a detonating mechanism, a shell, anexplosive column, an annular shaped charge liner, a flying sheet and a buffer body, wherein the shell is a stepped shaft-shaped circular tube, the two ends of the shell are separately opened, the explosive column is coaxially filled in an inner cavity at the large end of the shell, one end of the explosive column is propped against the inner bottom surface of the shell, the other end of the explosive column is in compression fit with the end part of the shell through the annular shaped charge liner, and the convex surface of the annular shaped charge liner is compressed at the end part of theexplosive column; the flying sheet is arranged between the central end surface of the annular shaped charge liner and the explosive column, and the buffer body is arranged between the flying sheet and the explosive column; the detonating mechanism is arranged in the small end of the shell and used for detonating the explosive column; and the annular shaped charge liner comprises an annular grooveand a circular end face integrally connected to the center of the annular groove, the cross section of the annular groove is in a crescent shape, the end, connected with the circular end face, of theannular groove is the inner side, the end, connected with the shell, of the annular groove is the outer side, and the wall thickness of the inner side of the annular groove is larger than that of theouter side of the annular groove.

Muscle cramps can be reduced or avoided by monitoring the concentration of salt in perspiration to indicate the degree of salt depletion. Based on the degree of salt depletion, a sufficient amount of rehydration beverage is consumed to normalize the salt level.

The invention discloses a high-efficiency crushing and sampling device for mine general survey, and relates to the technical field of mine sampling. The device comprises a motor and a drill rod, the motor is connected with the drill rod through a coupler, a drill bit is fixedly installed at the bottom of the drill rod, one side of the drill rod is connected with a sampling pipe through a connecting shaft, the sampling pipe is of a right angle type, a suction fan is installed on the right angle of the sampling pipe, and a sampling box is installed at the tail end of the sampling pipe. And a valve is arranged on the sampling pipe close to the sampling box. The drill bit is conical, a plurality of conical heads are uniformly arranged on the drill bit, and small holes for collecting ores are formed in the drill bit and the conical heads. Handles are installed on the two sides of the coupler and sleeved with rubber sleeves. And supporting legs are mounted at the bottom of the sampling pipe. The drill bit is not affected by mine geological rock strata, a sampling layer is easily broken, and sampling and collecting are convenient.

The present invention provides a CA4 gene detection primer, the CA4 gene detection primer comprises a methylation amplification primer, wherein the methylation amplification primer comprises upstream primer CA4-MF having sequence table SEQ. ID. No. 1 base sequence and downstream primer CA4-MR having sequence table SEQ. ID. No. 2 base sequence; and / or, the CA4 gene detection primer comprises a BGS primer, wherein the BGS primer comprises upstream primer CA4-BF having sequence table SEQ. ID. No. 5 base sequence and downstream primer CA4-BR having sequence table SEQ. ID. No. 6 base sequence. The CA4 gene detection primer is based on CA4 gene as a biomarker, after extracting and amplifying of the CA4 gene, CA4 gene methylation status is detected, and then the CA4 gene detection primer can be further used for assisted detection of the possibility of colorectal cancer and recurrence; and compared with detection methods in the prior art, the detection method has the characteristics of being non-invasive, convenient and flexible in sample collection, and the like.

The invention discloses a rapid intestinal release detection device for coated sustained-release products, which belongs to the technical field of sustained-release products and comprises a device body, an inner cylinder at the center of the interior of the device body and a multi-way tube connected with one end of the device body. Extrusion cavities are formed in the positions, on the outer side of the inner cylinder, in the device body at equal intervals with the inner cylinder as the circle center, sampling cavities are formed between the positions, at one ends of the extrusion cavities, of the device body and the inner cylinder, the interiors of the sampling cavities are slidably connected with first pistons, first piston rods are fixed to one sides of the first pistons, and a catalyst storage cavity is fixed at the end part of the device body on the inner side of the multi-way tube. According to the invention, urine is sampled in the reciprocating process of the first piston rod and the first piston through pressing, an accelerating agent is synchronously added in the sampling process, meanwhile, the rotating disc is driven to rotate through hydraulic reciprocating motion, an arc-shaped plate is made to move repeatedly, a knocking head knocks the sampling cavity, and the reaction speed of the accelerating agent and the urine is increased.

The invention provides a collection system capable of realizing slope cropland surface runoff and interflow quantitative research. The system comprises a plurality of U-shaped strip-shaped collectiontanks buried in a soil body along the downhill direction, the length of the U-shaped strip-shaped collection tanks is consistent with the length of a slope surface, and permeable layers are arranged in the U-shaped strip-shaped collection tanks. The strip-shaped collection tanks are respectively buried in the bottoms of the plowing layer, the subsoil layer and the parent material layer, the strip-shaped collection tanks buried in the bottoms of the plowing layer, the subsoil layer and the parent material layer are arranged in a staggered manner, and projections of the strip-shaped collection tanks are not overlapped. The system also comprises a surface runoff collecting ditch and the interflow collecting ditch transversely arranged at the bottom end of the slope. The strip-shaped collecting grooves consistent with the slope surface in length are buried in the bottom of each layer in a staggered mode to collect interflow, transverse interflow and vertical interflow in a soil body can becollected at the same time, errors caused by different soil properties of the whole slope surface are reduced, the quadrat amount is increased, and the result accuracy is improved. By adopting the system, the rule of loss of each nutrient element on the ground surface and underground can be analyzed more accurately.

A microdialysis recording device for conscious, free-moving animals in the brain, which includes an animal activity structure and a placement structure for placing the animal activity structure; above the animal activity structure, a device for accommodating fixed pipelines on the animal is provided. The trajectory control structure, the trajectory control structure and the placement structure are flexibly connected through the connection structure; the trajectory control structure includes a swivel for fixing the probe plastic tube and a fixed structure for connecting animals arranged at the lower end of the swivel; in this way, When the animal moves inside the animal activity structure, the pipeline fixed in the track control structure and located on the animal can rotate following the movement of the animal, and the pipelines will not be entangled or knotted. The invention can effectively save the production cost, and has the advantages of convenient operation and strong practicability.

Provided herein are novel assays for the measurement of androgens such as testosterone in a sample. The assays utilize sensitive androgen receptor mutants and have much greater sensitivity than assays based on wild-type androgen receptors. The assays of the invention can detect androgens at concentrations as low as 1 ng / dl in serum, urine, environmental samples and other samples. The invention encompasses novel assay methods as well as nucleic acid sequences, proteins, and cells. Advantageously, the assays provide a measure of physiologically relevant androgen concentrations in a sample, taking into account the presence of androgen-binding factors or anti-androgen drugs in serum.

The invention discloses an energy-gathering charge structure for assisting the sampling of extraterrestrial minerals. The two ends are opened respectively, and the explosive column is coaxially loaded in the inner cavity of the large end of the shell, so that one end of the explosive column is in contact with the inner bottom surface of the shell, and the other end is pressed and fitted with the end of the shell through the ring-shaped drug cover. And the convex surface of the annular liner is pressed against the end of the explosive column; a flyer is installed between the central end surface of the annular liner and the explosive column, and a buffer body is arranged between the flyer and the explosive column; a detonator is arranged inside the small end of the shell Mechanism for detonating explosive columns; wherein, the annular charge cover includes: an annular groove and a circular end face integrally connected to the center of the annular groove, and the cross section of the annular groove is crescent-shaped, which is connected to the circular end surface One end is the inner side, and the end connected with the shell is the outer side, so that the inner wall thickness of the annular groove is greater than the outer wall thickness.

A fluid sample collection device for a disk-based fluid separation system is disclosed. The disk-based separation system includes a compact microfluidic disk with at least one flow channel pattern formed on a side surface of the disk. At least one orifice is formed on an outflow boundary of the disk and is designed in fluid communication with the flow channel pattern through a communication channel. The fluid sample collection device includes at least one collection tube having an open end serving as a fluid receiving end and corresponding to the orifice of the disk with a distance. When the disk is rotated, at least a portion of fluid sample in a sample processing reservoir formed on the disk is delivered by centripetal force through the communication channel and the orifice, and finally the expelling fluid sample is collected in the collection tube.

The invention provides a cave system type water and soil loss monitoring method and an apparatus thereof. The method comprises the following steps: carrying out tracing researches to determine a superimposed soil point position corresponding to a cave water and soil loss point; collecting the superimposed soil point corresponding to the cave water and soil loss point; monitoring the water and soil loss of the cave water and soil loss point, and sampling the cave water and soil loss point; carrying out experiment analysis on a collected water sample and a collecting soil sample; and analyzing and processing obtained data to obtain a conclusion. Important references are provided for researching the underground water and soil loss of rocky desert areas and systemically researching the water and soil loss of the earth's surface in order to provide scientific basis for monitoring and evaluating rocky desert environment and assessing treatment benefits. The method and the apparatus belong to the field of rocky desert environment researches.

The invention discloses a rapid detection device for intestinal release of coated slow-release products, belonging to the technical field of slow-release products, comprising a device body and an inner cylinder at the center of the device body and a multi-way tube connected to one end of the device body, wherein , the inside of the device body outside the inner cylinder is provided with extrusion chambers at equal intervals with the inner cylinder as the center of the circle, and a sampling chamber is provided between the device body and the inner cylinder at one end of the extrusion chamber, and the inside of the sampling chamber is slidingly connected There is a piston 1, and a piston rod 1 is fixed on one side of the piston 1, and a catalyst storage chamber is fixed at the end of the device body inside the multi-way pipe. In the present invention, the urine is sampled by pressing the piston rod 1 and the piston 1 in the process of reciprocating. During the sampling process, the catalyst is added synchronously. Tap the head on the position of the sampling cavity to speed up the reaction between the initiator and the urine.

The invention discloses a linkage type waste gas sampling structure for combustion waste gas detection, which comprises a waste gas pipe, a main control valve, a sub-control valve, a corrugated hose, a tension spring, a sealing cap, a sealing ring and a sealing gasket. A main control valve is installed, and an upper shunt pipe is welded on the exhaust pipe above one side of the main control valve, and a lower shunt pipe is welded on the exhaust pipe below the main control valve side, and both the upper shunt pipe and the lower shunt pipe are A sub-control valve is provided, the lower part of the outer end of the upper shunt pipe is threadedly connected with a corrugated hose, and the lower end of the corrugated hose is rotatably connected with an upper connecting sleeve, and the inner end of the upper connecting sleeve and the inner end of the lower connecting sleeve are respectively It is threadedly connected with the upper and lower ends of the exhaust gas sampling pipe. The linkage type exhaust gas sampling structure for combustion exhaust gas detection, through the improvement of both sides of the main control valve at the exhaust gas pipe, can realize the linkage opening and closing of the sealing plates at the openings at both ends of the exhaust gas sampling pipe, which is beneficial to the exhaust gas sampling of the exhaust gas sampling pipe. .