Abstract: Devices, systems, and their methods of use, for sorting or separating magnetic particles are provided. A magnetic source is disposed adjacent a flow path and exerts a magnetic field on magnetic particles in order to separate particles.

Abstract: A manufacturing method of an operation pipe, which use a gel to perform operations such as separation, extraction, purification, elution, recovery, analysis and the like of target components that are biological components such as nucleic acids. More specifically, a manufacturing method of an operation pipe, with which it is possible to perform operations such as separation, extraction, purification, elution, recovery, analysis and the like of target components in a sealable pipe by operating magnetic particles in the pipe under a magnetic field from outside of the pipe.

Abstract: In at least one illustrative embodiment, an electromagnetic filter may include a transfer pipe and multiple electromagnetic filter elements positioned in an interior volume of the pipe. Each electromagnetic filter element includes a support comb, a solenoid coupled to the support comb, and multiple magnetic members arranged in a planar array positioned within an opening of the support comb. Each magnetic member may rotate about an end that is coupled to the support comb. The magnetic members may be magnetostrictive sensors and may include a biorecognition element to bind with a target microorganism. A method for fluid filtration includes coupling the electromagnetic filter between a fluid source and a fluid destination, energizing the solenoids of each electromagnetic filter elements, and flowing a fluid media through the transfer pipe of the electromagnetic filter. The fluid media may be liquid food such as fruit juice. Other embodiments are described and claimed.

Abstract: A discontinuous wall magnet having an opening or channel is provided. A bead separation magnet having a discontinuous or segmented wall is also provided. The segmented wall causes bead formation to form in a segmented or gapped ring to allow for easier manual pipetting. Also provided are systems and kits having the inventive magnets. Methods of purifying a macromolecule using the inventive magnets are also provided.

Abstract: A method of dewatering magnetite to <10% w/w moisture content, including the step of extracting water from the magnetite by virtue of the magnetism of the magnetite, whereby the magnetite pulls together under magnetic attraction thereby squeezing water outwardly and away from the magnetite.

Abstract: The present disclosure pertains to sample preparation devices useful for affinity capture and purification that include one or more internal structures that comprise a reservoir, a well, a fluid passageway, sorbent particles, and a filter element that blocks passage of the affinity sorbent particles, which sample preparation devices combine the attributes of both dispersive and flow through designs into a single sample preparation device. The present disclosure also pertains to kits that contain and methods that use such sample preparation devices.

Abstract: An apparatus for treating a stream of contaminated water having an elevated concentration of at least one of light metals, heavy metals, sulfates that includes at least one process fluid inlet communicating with a process conduit; at least one electrode reaction vessel in fluid communication with the process conduit, the reaction vessel having an interior chamber and at least one electrode positioned in the reaction chamber, the electrode powered by a alternating current source; and at least one magnetic field reaction vessel in fluid communication with the process conduit, the magnetic field reaction vessel having an outwardly oriented surface and an opposed inwardly oriented surface, the magnetic field reaction vessel having at least one magnet in contact with the inwardly oriented surface of the magnetic field reaction vessel.

Abstract: The present disclosure provides for methods and systems for separating ultrafine particulate pollutants from aqueous suspensions. The present disclosure provide for methods and systems that can reduce the amount of ultrafine particulate pollutants from aqueous solutions, for example storm water runoff, which are not readily or easily removed using current state of the art techniques. In general, methods of the present disclosure provide for removing a portion of target ultrafine particulate pollutants using magnetic nanoparticles, which form aggregates with the ultrafine particulate pollutants. After a time period a magnetic field is applied and the aggregate can be separated from the aqueous suspension. Subsequently, the aggregates can be broken down and the magnetic nanoparticles recycled or reused while the ultrafine particulate contaminants are further processed, recycled, or disposed of.

Abstract: A filter is used for removing metallic contaminants in a solvent used in microcircuit fabrication. The filter includes a filter housing including a filter membrane for filtering solvent including metallic contaminants, and a magnet arranged about the filter housing and configured to generate a magnetic field to attract the metallic contaminants prior to the metallic contaminants entering the filter membrane. The magnet is arranged such that the magnetic field of the magnet is greater in a periphery of the filter housing compared to a central portion of the filter housing.

Abstract: Provided is a magnetic separator in which even when content of a magnetic sludge in a liquid to be treated increases, recovery performance of the magnetic sludge is less likely to degrade and a malfunction of the device is less likely to occur. A part of an outer peripheral surface of a magnet drum is immersed in a flow of the liquid to be treated containing the magnetic sludge. A removing mechanism removes the magnetic sludge on the outer peripheral surface of the magnet drum from the outer peripheral surface of the magnet drum. A magnetic sludge containing information acquisition device acquires magnetic sludge containing information relating to a content of the magnetic sludge contained in the liquid to be treated. A control device changes a magnetic sludge removal capability of the magnet drum depending on the magnetic sludge containing information acquired by the magnetic sludge containing information acquisition device.

Abstract: A magnetic processing unit (“MPU”) includes a magnetic element with one or more input channels and one or more output channels. The magnetic element can acquire magnetic arrangement configured to perform a predetermined operation on the received input signal and provide a resulting output signal.

Abstract: In at least one illustrative embodiment, an electromagnetic filter may include a transfer pipe and multiple electromagnetic filter elements positioned in an interior volume of the pipe. Each electromagnetic filter element includes a support comb, a solenoid coupled to the support comb, and multiple magnetic members arranged in a planar array positioned within an opening of the support comb. Each magnetic member may rotate about an end that is coupled to the support comb. The magnetic members may be magnetostrictive sensors and may include a biorecognition element to bind with a target microorganism. A method for fluid filtration includes coupling the electromagnetic filter between a fluid source and a fluid destination, energizing the solenoids of each electromagnetic filter elements, and flowing a fluid media through the transfer pipe of the electromagnetic filter. The fluid media may be liquid food such as fruit juice. Other embodiments are described and claimed.

Abstract: A self-cleaning magnetic filter for removing ferrous contaminates from a natural gas process stream including a housing through which the process stream follows for removing ferrous contaminates in the process stream by magnetic attraction with a plurality of magnetic bars that are removably disposed in a plurality of non-magnetic sleeves disposed within the housing. A recirculating washing solution is used to flush contaminates that adhere to the exterior surfaces of the non-magnetic sleeves and from the housing. A bag filter is used to remove contaminates from the washing solution to allow recycling the washing solution.

Abstract: Disclosed is a chemiluminescence measurement apparatus that includes: a support member configured to support a cartridge for measuring a test substance contained in a specimen by chemiluminescence measurement; a motor configured to rotate the support member so as to rotate the cartridge such that a process required for the chemiluminescence measurement proceeds in the cartridge; and a light receiver configured to receive light generated by chemiluminescence in the cartridge that is supported by the support member rotated by the motor. The cartridge supported by the support member and a light receiving surface of the light receiver are disposed inside a dark space surrounded by a light-shielding portion, and the motor is disposed outside the dark space.

Abstract: A food processor is provided. The food processor comprises a base, a container removably mountable on the base for receiving food, a rotatable mixing member disposed within the container for processing the food, an induction coil enclosing at least a portion of the container, and an electrically conducting member removably receivable within the container in a substantially parallel relationship with a surface defined by at least a portion of the induction coil.

Abstract: An access port for a fluid system having a sidewall defining a fluid cavity is provided. A probe receiver, having an inner passage with a valve seat and a chamber adjacent to the valve seat and in fluid communication with the inner passage, is connected to the sidewall of the fluid system. The chamber has an opening in communication with the fluid cavity and a valve member biased to a seated position that moves within the chamber to an unseated position. A probe is connected to the probe receiver and extends through the inner fluid passage of the probe receiver into the chamber. When the probe body is inserted into the probe receiver it moves the valve member to the unseated position and the valve member and a portion of the probe body traverse the opening. When the probe body is removed, the valve member returns to the seated position.

Abstract: An air pre-treatment device to reduce the consumption of fuel of an engine or of a boiler by optimizing the characteristics of the oxidant thereof, i.e., of the ambient air and the moisture level thereof. The formatting chamber is defined by a pipe including homogenization members embedded in a lattice of magnetic or ferromagnetic fibers. The homogenization members include a central longitudinal axis made from magnetic or ferromagnetic material, and provided with the magnetic elements. The magnetic elements are disposed along the central longitudinal axis in field opposition and in alternation with ceramic elements. Thus, it is possible to optimize the oxidant of an engine, i.e., the ambient air passing through the formatting chamber with a frequency and coercive field induced by the magnetic elements, as well as concentrating the molecules of water at the ceramic elements.

Abstract: A system and a method for prevention of adhesion of marine organisms to a substrate contacted with seawater are provided. The system comprises a generator (120, 220) for producing an electrical signal (150) operating in desirable frequencies in which the marine organisms can be chased or killed, said generator (120, 220) having at least two output connectors (122, 124, 222, 224), means for oscillating and propagating the electrical signal (150) along a surface of the substrate, said means being adapted to make electrical connection with the at least two output connectors (122, 124, 222, 224) of the generator (120, 220) and being submerged in seawater, and an electric power source (110, 210) connected to the generator (122, 124, 222, 224) for applying a selected voltage to the generator (122, 124, 222, 224) to produce the electrical signal (150).

Abstract: The present invention is related to an intelligent and durable buried drainage pipe involving a method of separation and transmission. The intelligent and durable buried drainage pipe of the present invention includes an inner (11) and an outer (12) pipe. The outer pipe (12) is longer than the inner pipe (11); a permanent magnet (2) is installed on a section of the outer pipe (12) that is longer than the inner pipe (11). At least one electromagnet (3) is fixed at intervals from the permanent magnet (2); the energized electromagnet (3) can attract the permanent magnet (2) causing it to slide. The end of the electromagnet (3) facing the permanent magnet (2) is provided with a distance sensor (6), and the switch is turned on/off by the distance sensor (6). An elastic telescopic member (4) is arranged between the permanent magnet (2) and the electromagnet (3).

Abstract: A particle analyzing apparatus (10) includes a processor (42) and storage (41). The processor (42) acquires a volume magnetic susceptibility of an analyte particle (p). The storage (41) stores reference data (43). The reference data (43) indicates a volume magnetic susceptibility of a reference particle of the same type as a type of the analyte particle (p) for each of possible crystal forms of the analyte particle (p). The processor (42) determines a crystal form of the analyte particle (p) on the basis of the volume magnetic susceptibility of the analyte particle (p) and the reference data (43).

Abstract: A magnetism booster assembly including a sleeve having a first face, a second face, and an outer periphery surface extending between the first face and the second face. The sleeve defines a central bore extending from the first face to the second face. The sleeve also defines a pocket spaced apart from the central bore and having an opening in the first face. The magnetism booster assembly also includes a magnet positioned within the pocket.

Abstract: In one aspect of the present disclosure, an induction hub is disclosed for use in powering components in a vehicle. The induction hub includes a source coil; first and second receiver coils having first and second conductive portions, respectively; and at least one isolation member that is positioned between the first and second conductive portions. The receiver coils are separated from the source coil such that, upon being energized by a power source, the source coil creates an induced electromagnetic field (EMF) and an electrical current in the receiver coils, which are in electrical communication with at least one component in the vehicle to thereby deliver power from the receiver coils to the at least one component. The at least one isolation member includes a material that is electrically nonconductive and electromagnetically permeable so as to physically and electrically separate the receiver coils without impacting the induced EMF.

Abstract: An inclined magnetic holder comprises a magnetic base and a centrifuge tube support plate. The centrifuge tube support plate has centrifuge tube support holes. The magnetic base comprises a first bottom plate, a fixing plate, and two first-side support plates. Respective top portions of the two first-side support plates are provided with a position-locating slot. Two ends of the centrifuge tube support plate are respectively provided with a position-locating protruding block. The centrifuge tube support holes are evenly and linearly distributed on the centrifuge tube support plate. An elastic circular engagement component for holding a centrifuge tube is provided inside the centrifuge tube support holes. A block magnet is fixed to the fixing plate below and corresponding to each of the centrifuge tube support holes. A north pole or south pole surface of the block magnet faces the centrifuge tube and is parallel to an axis of the centrifuge tube.

Abstract: A fluid treatment apparatus includes a ferrite assembly, a driver, and an oscillator circuit. The ferrite assembly is arranged in use to be capable of surrounding a conduit containing fluid to be acted on. The driver is arranged to generate a pulsed current to which the ferrite assembly is subjected whereby the driver is electromagnetically coupled to the ferrite assembly. The oscillator circuit is electromagnetically coupled to the ferrite assembly, and in response to the pulse generated by the driver, causes an oscillating signal to be generated which gives rise to an electromagnetic field which acts on the fluid in the conduit.

Abstract: An apparatus for treating a stream of contaminated water having an elevated concentration of at least one of light metals, heavy metals, sulfates that includes at least one process fluid inlet communicating with a process conduit; at least one electrode reaction vessel in fluid communication with the process conduit, the reaction vessel having an interior chamber and at least one electrode positioned in the reaction chamber, the electrode powered by a alternating current source; and at least one magnetic field reaction vessel in fluid communication with the process conduit, the magnetic field reaction vessel having an outwardly oriented surface and an opposed inwardly oriented surface, the magnetic field reaction vessel having at least one magnet in contact with the inwardly oriented surface of the magnetic field reaction vessel.

Abstract: Provided is a magnetic filtration apparatus with a simple structure for permitting easy and effective discharge of magnetic substances from the inside of a flow passage to its outside, the magnetic substances being captured by attraction from a liquid to be treated by magnetic separation. The magnetic filtration apparatus includes a treatment container 12 having an inlet 26 and outlet 28 of the liquid, and a discharge port 36 of the separated magnetic substances. A magnetic apparatus 20 attached around the treatment container 12 attracts the separated magnetic substances to an inner wall of the treatment container 12, while cancellation of the effect of the magnetic field generated by the magnetic apparatus 20 allows the attracted magnetic apparatus to flow into a detachable collecting container 14 positioned below the treatment container 12, due to the gravity, through a communication passage 15.

Abstract: A magnetic separator includes a housing defining a product flow path, a drawer moveable between a first position and a second position, a magnet operatively connected to the drawer, the magnet positioned within the product flow path when in the first position and the magnet withdrawn from the flow path when in the second position, and a stripper plate frame attached to the housing. A stripper plate is fixed to the stripper plate frame that conforms with the magnet and through which the magnet passes as the drawer is moved between the first and second positions. An anti-rotation mechanism includes a slot that engages along a length of a shoulder such that. When the anti-rotation mechanism is positioned having the slot over the shoulder, the magnet is prevented from moving from the axially locked position. The shoulder extends beyond an outer surface of the anti-rotation mechanism.

Abstract: Described are systems, devices, and methods which related to various aspects of assays for detecting and/or determining a measure of the concentration of analyte molecules or particles in a sample fluid. In some cases, the systems employ an assay consumable comprising a plurality of assay sites. The systems, devices, and/or methods, in some cases, are automated. In some cases, the systems, devices, and/or methods relate to inserting a plurality of beads into assay sites, sealing assay sites, imaging assay sites, or the like.

Abstract: A magnet positioning system for positioning magnets inside pipes includes a first stackable paddle that includes slots for accepting magnets and a second stackable paddle that includes a metal component for attracting the magnets and securing the magnets in the slots when the paddles are stacked together. Once stacked together, the paddles are inserted into position inside a pipe and the metal component is removed to release the magnets which move toward, and attach to, the inside wall of the pipe. A fluid conduit is positioned between the magnets using a spacer and a fixing agent permanently secures the magnets, fluid conduit, and spacer in place.

Abstract: The invention relates to a magnetic matrix for high intensity magnetic separator which is fed with a pulp containing magnetic and non-magnetic particles, the magnetic matrix (8) comprising a series of grooved metal plates (7) on both sides thereof, the grooved plates being arranged in rows parallel to and spaced apart from each other from the same spacing (6) within a housing, each face of each metal grooved plate (7) having the ridges aligned with the valleys of the face facing it of the grooved plate (7), and a corrugated expanded sheet (12) is disposed at each spacing (6) between adjacent grooved plates (7), with corrugations of the corrugated expanded sheets (12) accompanying the ridge-valley alignments of the respective grooved plates (7).

Abstract: This disclosure relates to verifying the operation of cell analyzers, including microscope-based cell imaging and counting analyzers. In one general aspect, a mixture of micro-beads having known characteristics is introduced into the analyzer. One or more images of the mixture are acquired with the analyzer's microscope, the images are analyzed, and a determination is made about whether results meet one or more predetermined quality control thresholds. Also disclosed is a hematology control material that can be used to perform the verification and includes a solvent, a dye dissolved in the solvent, and micro-beads suspended in the solvent. In another general aspect, a quality control method for the analyzers includes capturing images of samples that include patient cells using at least a microscope, extracting sample-specific information about properties of the patient samples from the images, and testing information from the samples against predetermined standards to verify the operation of the analyzer.

Abstract: A magnetic filter for a central heating or cooling system comprises a pipe having an inlet end and an outlet end, and a filtration portion between the inlet and outlet ends the diameter of the filtration portion of the pipe being greater than the diameter of the inlet end of the pipe and also greater than the diameter of the outlet end of the pipe, and a magnet assembly adapted to be attachable to the pipe, around an outside surface of the filtration portion of the pipe, and movable relative to the pipe from a position close to the pipe to a position more distant from the pipe.

Abstract: In one embodiment, a method is provided comprising analyte testing on one or more types of samples.

Abstract: Provided is a sensing device and a method for fabricating the same. The sensing device includes a first sensor including a first substrate, first electrodes, and a first passivation layer and a second sensor disposed on the first sensor and including a second substrate, second electrodes, and a second passivation layer. The second sensor is connected to the first sensor through a chemical bonding.

Abstract: A device is dynamically programmable to generate at least a first magnetic field during a first time interval, and at least a second magnetic field during a second time interval thereby causing the particles exposed to the change in the magnetic field to aggregate to a target region. The device is further dynamically programmable to switch between the first and second magnetic fields for any number of cycles. Optionally, the device includes a multitude of conductors that receive a first current during the first time interval to generate the magnetic field, and a second multitude of conductors that receive a second current during the second time interval to generate the second magnetic field. The second multitude of conductors may be substantially parallel to the first multitude of conductors. A controller disposed within the device is adapted to vary the frequency of switching between the first and second magnetic fields.

Abstract: In at least one illustrative embodiment, an electromagnetic filter may include a transfer pipe and multiple electromagnetic filter elements positioned in an interior volume of the pipe. Each electromagnetic filter element includes a support comb, a solenoid coupled to the support comb, and multiple magnetic members arranged in a planar array positioned within an opening of the support comb. Each magnetic member may rotate about an end that is coupled to the support comb. The magnetic members may be magnetostrictive sensors and may include a biorecognition element to bind with a target microorganism. A method for fluid filtration includes coupling the electromagnetic filter between a fluid source and a fluid destination, energizing the solenoids of each electromagnetic filter elements, and flowing a fluid media through the transfer pipe of the electromagnetic filter. The fluid media may be liquid food such as fruit juice. Other embodiments are described and claimed.

Abstract: A water treatment unit with a housing having a housing interior and an oscillation unit mounted so as to oscillate in the housing interior. The oscillation unit can be set in oscillation by a coil through which an electrical alternating signal flows, wherein a water inlet and a water outlet are provided on the housing, and wherein a flow area is formed between the inner wall of the housing that delimits the housing interior and the oscillation unit, the flow area being designed such that water flowing from the water inlet to the water outlet flows around the oscillation unit.

Abstract: A thermal interface material and systems and methods for forming a thermal interface material include depositing a layer of a composite material, including at least a first material and a second material, the first material including a carrier fluid and the second material including a filler particle suspended within the first material. A particle manipulator is positioned over the layer of the composite material, the particle manipulator including at least one emitter to apply a particle manipulating field to bias a movement of the filler particles. The second material is redistributed by applying the particle manipulating field to interact with the second material causing the second material to migrate from a surrounding region in the composite material into a high concentration region in the composite material to form a customized thermal interface such that the high concentration region is configured and positioned corresponding to a hotspot.

Abstract: The invention relates to conducting assays with an apparatus including a substantially transparent assay cartridge loaded with magnetic beads, and a magnet carrier base positioned below a scanning platform holding the assay cartridge. A microcomputer controls a stepping motor which controls movement of the magnet carrier base, and causes the magnetic beads to travel from one well to another, where the wells contain different assay reagents. An electromagnetic coil-spring assembly induces mixing of well contents with the magnetic beads on actuation. The assay cartridge is authenticated by sending its encoded identifier to a server or website, and assay instructions are provided remotely to the microcomputer. Following assay completion, the cartridge can have color change or other assay indication detected, and the results sent to the server or website or another recipient. Concurrently assaying a control allows modification of assay results based on measured field conditions.

Abstract: In vivo and ex vivo positionable magnetic filtration devices are provided that magnetically filter one or more therapeutic agents conjugated to a magnetic particle in blood flowing in a blood vessel.

Abstract: Disclosed is an apparatus for removing air and particles, such as dirt, from a fluid which includes, inter alia, an elongated pressure vessel that has a vessel wall that defines an interior chamber and a vertical axis for the apparatus. Inlet and outlet ports are formed in the vessel wall, the inlet port allowing fluid to enter the interior chamber and the outlet port allowing conditioned fluid to exit the interior chamber of the pressure vessel. A plurality of concentrically arranged cylindrical mesh screen elements are positioned within the interior chamber that release entrained air from the fluid entering the interior chamber. Additionally, a cylindrical tube is positioned within the concentrically arranged mesh screen elements for removing particles from the fluid entering the interior chamber. In certain embodiments the apparatus includes a magnetic particle collector.

Abstract: The purpose of the present invention is to provide a simple measurement tool which can rapidly measure various chemical substances contained in environments or from inside a living body by a simple or inexpensive means/method.

Abstract: The present invention relates to a removal device for removing gas bubbles and/or dirt particles from a liquid in a liquid conduit system or for removing a second liquid from a first liquid in the conduit system. The removal device includes a main channel for a main flow, the main channel having an entry and an exit which are configured to be connected to the conduit system, a housing which defines an inner space, at least one supply channel extending from the main channel to the inner space, at least one return channel extending from the inner space back to the main channel, directly or indirectly via a return chamber, at least one quiet zone in the inner space in which in use the liquid has a substantially smaller velocity than in the main channel. The quiet zone is configured to allow dirt particles or a relatively heavy liquid to settle at a lower end of the housing and/or gas bubbles or a relatively light liquid to rise to an upper end of the housing.

Abstract: The present invention refers to a system, a method and a device to optimize the efficiency of the combustion of gases for the production of clean energy comprising a magnetic nucleus (30) and inlet and outlet ducts (41a, 42a), the inlet and outlet ducts (41a, 42a) being configured to receive gases, the gases alternately establishing flows between the inlet ducts (41a) and the outlet ducts (42a) and vice-versa, the magnetic nucleus (30) being configured to generate and to expose the gases within the inlet and outlet ducts (41a, 42a) to magnetic fields (35), the alternation of flows between the inlet and outlet ducts (41a, 42a) and the exposure to magnetic fields (35) promoting acceleration of the hydrogen atoms and ions of oxygen and argon, promoting the reduction of the radii of the orbits of the electrons of the hydrogen around their nuclei and provoking the release of potential energy of the electrons and corresponding increase of the kinetic energy of the nuclei of the gas molecules, in such a way to optim

Abstract: A device for separating a sample of cells suspended in a bio-compatible ferrofluid is described. The device includes a microfluidic channel having a sample inlet, at least one output, and a length between the sample inlet and the at least one output, wherein a sample can be added to the sample inlet and flow along the length to the at least one outlet. The device includes a plurality of electrodes, wherein the microfluidic channel length transverses the plurality of electrodes, and further includes a power source for applying a current to the plurality of electrodes to create a magnetic field pattern along the length of the microfluidic channel. The present invention also includes a method for separating at least one cell type.

Abstract: A power tool including a motor and a pulse unit intermittently driving an output shaft, wherein the pulse unit includes a cylinder with an inner cavity arranged to withhold a hydraulic fluid, and an anvil located inside the inner cavity, the anvil being connected to the output shaft, wherein: at least one recess is arranged inside the inner cavity wherein at least one magnet is provided inside the recess; and the at least one recess is deeper than the at least one magnet such that a pocket is formed in the recess outside the magnet.

Abstract: A cutting fluid intelligent recycling device, comprises a frame, a first-level filtering device, second-level filtering device, and clean liquid tank installed on the frame; the first-level filtering device being provided with a dirty fluid tank used for containing liquid, the dirty fluid tank having a dirty fluid suction device and dirty fluid treatment device; through the first-level and second-level filtering devices, the cutting fluid intelligent recycling device can remove the cuttings, iron powder, floating oil stain, cenobium, floccule and impurities in the cutting dirty fluid and also sterilize and deodorize the cutting fluid coolant to prolong its service life.

Abstract: Sandwich separation is based on forming a sandwich complex with a magnetic bead, buoyant bead, and a target. Once a sandwich formation is created, the sandwich can be separated using its dual physical properties, namely magnetism and buoyancy. Sandwich separation is highly specific, allows for removal of the beads that do not have any attached target, and reduces the number of background beads. Sandwich separation can also be used to allow for target detection in raw specimen. Also, improvement of detection capability is accomplished by performing AMBR measurements on a solid interface, where the rotational period speeds up and allows for dramatically reduced time-to-result.

Abstract: A filter device for fluids includes a housing (1) accommodating a filter element (5). The housing has an inlet (47) for the supply of fluid to be purified to a non-filtrate chamber (49) of the housing (1) and has an outlet 42 for the filtrate. The non-filtrate chamber is separated from a filtrate chamber (46) of the housing (1) by the filter medium (33). A magnetic field-generator unit (57) is arranged inside the non-filtrate chamber (49). An adhering surface a sleeve or casing (51) attracts ferromagnetic particles by a magnetic force effect. In the non-filtrate chamber (49), the sleeve (51) extends outside of the respective filter element (5) parallel to the inlet (47) and transversely to the outlet (42). The non-filtrate chamber (49) at least partially encompasses the outlet (42) at the point of transition to the filtrate chamber (46).

Abstract: For collecting magnetic particles, there is used a magnetic material including a plurality of magnets that are arranged in contact one with another in parallel to a direction of magnetization in such a manner that south and north poles of adjacent magnets are reversed alternately or a magnetic material having at least one peak of a magnetic force in a magnetic pole surface, and the peak magnetic force is 600 gausses or more.