Abstract: The disclosure provides three-dimensional crosslinked polymer networks comprising one or more channels extending from the surface and/or near the surface of the network into the interior of the network, arrays comprising the networks, processes for making the networks, and uses of the networks and arrays.

Abstract: The invention provided methods and devices for performing sequential, regulated multiplex reactions in a single tube without the addition or removal of contents from the tube.

Abstract: A mechanochemical reactor includes an outer shell. A first plate is slidably disposed within the tubular outer shell at a first end of the tubular outer shell and a second plate is slidably disposed within the tubular outer shell at a second end of the tubular outer shell, the second end being opposite the first end. A linearly-reciprocating mill is disposed within the tubular outer shell between the first plate and the second plate. A first electromagnet is operatively coupled to the first plate so as to establish a position and a holding force of the first plate within the tubular outer shell, and a second electromagnet is operatively coupled to the second plate so as to establish a position and a holding force of the second plate within the tubular outer shell.

Abstract: The present invention relates to a diatomaceous earth composition with a low endotoxin content, comprising an agglomerated mixture of calcined diatomaceous earth particles and water, wherein the mass ratio of calcined diatomaceous earth particles and water is in the range of 1:1.0 to 1:2.0, and wherein the endotoxin content of the diatomaceous earth composition is equal to or less than 0.5 EU/mL. In a further aspect, the present invention relates to a method for producing the diatomaceous earth composition with a low endotoxin content. In another aspect, the present invention relates to the use of the diatomaceous earth composition with a low endotoxin content as a precoat agent for the precoat filtration in biopharmaceutical applications.

Abstract: Polymeric sorbents for reactive gases are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The polymeric sorbent has nitrogen-containing groups that are covalently attached to the polymeric sorbent. The nitrogen-containing groups include a primary amino group, a secondary amino group, a tertiary amino group, or a combination thereof. Additionally, methods of sorbing reactive gases on the polymeric sorbents and compositions resulting from the sorption of reactive gases on the polymeric sorbents are provided.

Abstract: Disclosed is a composite for extracting one or more metal or contaminating chemical species from an aerial or aqueous medium by selective binding, the composite including at least one porous template functionalized by at least one polymer, the polymer including one of the folowing chemical functions: primary, secondary or tertiary amine, amide, nitrile, pyridine, pyrole, thiol, thiolether, thiophene, thiadiazole, alcohol/hydroxyl, phenol, catechol, pyragalol, carboxylic acid, aldehyde, ester, acyl, crown ether, phosphate, phosphoryl, epoxide, halogen, haloalkane.

Abstract: Provided is a filter having either or both of a winding and a laminate that include a fiber-like absorbing material, wherein the fiber-like absorbing material has a base material and metal particles supported on the base material, and the diameter D of the fiber-like absorbing material, the void fraction of the winding or laminate, and the variation in the area void fraction in the radial direction of the winding or the variation in the area void fraction in the direction of lamination are in a specific range.

Abstract: A solid phase microextraction substrate is disclosed. The solid phase microextraction substrate has a sorbent coating on at least part of a surface thereof. The coating is adapted for extracting at least one analyte component from a fluid matrix. The coating includes sorbent particles in a polymeric adhesive matrix. A majority of pores in each sorbent particle in the coating do not contain substantially any of the polymeric adhesive matrices.

Abstract: The invention relates to devices, systems, and methods for precision recharging of sorbent materials in a sorbent module. The devices, systems, and methods use manufacturing characteristics of the sorbent module to set recharge parameters used in recharging the sorbent material.

Abstract: A denitration catalyst for removing nitrogen oxide in an exhaust gas is represented by the following chemical formula: Ba3Y(4-x)AxO9, wherein A is an element selected from the group consisting of Bi, Sn, Ga, Mn, Ti, and Al; and X is 0.4 or more and 2 or less. A denitration device has the denitration catalyst for removing nitrogen oxide in an exhaust gas discharged from an exhaust gas generation source including a gas engine, a gas turbine, a melting furnace, or a boiler.

Abstract: Disclosed is a catalyst of a fiber form having improved the lifespan performance while being applied to the oxidation-reduction reaction of a high temperature and a manufacturing method thereof. Particularly, disclosed is a composite nanofiber catalyst including a support having a fiber form and a metal catalyst included in the support and a manufacturing method thereof.

Abstract: The present disclosure relates to mesoporous metal titanate materials composition. Specifically, the present disclosure relates to a mesoporous metal titanate material composition that is active for multiple reactions, including aromatic alkylation, alkene coupling, alkene cyclization, alkyne oxidation, alcohol dehydrogenation reactions.

Abstract: Disclosed are a nanocomposite including a catalytic material and a porous support having a structure of a blocky structure, a spherical structure, and a combination thereof and a manufacturing method thereof. The nanocomposite may have improved the lifespan performance while being applied to the oxidation-reduction reaction of a high temperature.

Abstract: Prussian blue analog derived catalysts having a composition of highly porous transition metal (“TM”) oxides with nano particle size. Such OER catalysts are synthesized from the PBA, containing cobalt, iron, nickel, copper, manganese, zinc, magnesium etc., as secondary building units (“SBUs”) coordinated by hexacyano-based ligands. Furthermore, the PBA-derived catalysts may also integrated into a highly graphitized carbon network to further improve the conductivity, mass transport and durability against oxidative corrosion.

Abstract: A catalyst structure includes a porous support structure, where the support structure includes an aluminosilicate material. Any two or more metals are loaded in the porous support structure, the two or more metals selected from the group consisting of Ga, Ag, Mo, Zn, Co and Ce, where each metal loaded in the porous support structure is present in an amount from about 0.1 wt % to about 20 wt %. In example embodiments, the catalyst structure includes three or more of the metals loaded in the porous support structure. The catalyst structure is used in a hydrocarbon upgrading process that is conducted in the presence of methane, nitrogen or hydrogen.

Abstract: Zeolite catalysts and systems and methods for preparing and using zeolite catalysts having the CHA crystal structure are disclosed. The catalysts can be used to remove nitrogen oxides from a gaseous medium across a broad temperature range and exhibit hydrothermal stable at high reaction temperatures. The zeolite catalysts include a zeolite carrier having a silica to alumina ratio from about 15:1 to about 256:1 and a copper to alumina ratio from about 0.25:1 to about 1:1.

Abstract: The invention describes single-site metal catalysts such as Pt single-site centers with a 3,6-di-2-pyridyl-1,2,4,5-tetrazine (DPTZ) ligand on support such as a powdered MgO, Al2O3, CeO2 or mixtures thereof.

Abstract: The porphyrin-based catalysts for water splitting are composites of porphyrin or metalloporphyrin active ingredients, conductive carbon (e.g., graphene sheets, vapor grown carbon fiber, carbon black, etc.), and a polymer or binder that may be coated on a glassy carbon electrode. The polymer or binder may be Nafion oil or polyvinylidine difluoride. The porphyrin may be a porphyrin having a transition metal or hydrogen at its center, and may be halogenated and/or have a thiophene substituent.

Abstract: In one aspect, the invention provides a method for synthesizing a fatty olefin derivative. The method includes: a) contacting an olefin according to Formula I with a metathesis reaction partner according to Formula IIb in the presence of a metathesis catalyst under conditions sufficient to form a metathesis product according to Formula IIIb: and b) converting the metathesis product to the fatty olefin derivative. Each R1 is independently selected from H, C1-18 alkyl, and C2-18 alkenyl; R2b is C1-8 alkyl; subscript y is an integer ranging from 0 to 17; and subscript z is an integer ranging from 0 to 17. In certain embodiments, the metathesis catalyst is a tungsten catalyst or a molybdenum catalyst. In various embodiments, the fatty olefin derivative is a pheromone. Pheromone compositions and methods of using them are also described.

Abstract: The present invention relates to quaternized diethylenetriamine-functionalized polyacrylate bead polymers, to a process for preparing same and to their use in the removal of oxoanions, particularly chromium (VI) oxoanions from aqueous- and/or organics solutions.

Abstract: Laminar air flow workstation, comprising: a working chamber (1) comprising a work table (2), an air circulation system (3) comprising first heating means (4), and configured to circulate heated air in the workstation and direct a heated and temperature controlled air flow towards the work table (2), wherein the working chamber comprises a front handling opening (6) in fluid connection with the surroundings (7), and configured such that the work table (2) can be accessed from the surroundings (7). Also disclosed are the use of the workstation for handling and/or microscopy of biological materials, such as tissue, embryos, and stem cells, as well as the use of the workstation for microbiological safety workstation in accordance with ISO/EN 12469.

Abstract: The invention relates to a portable clean room for filling at least one medicine container, located in the clean room with at least one active substance, wherein: the clean room is enclosed in an airtight manner by an at least partially flexible shell, the shell has at least one active substance connection region which can be opened, and a manipulation device and at least one medicine container are located in the clean room. According to the invention, the shell has at least one actuation connection region, wherein the manipulation device has at least one filling device which can be coupled to the active substance connection region for introducing at least one active substance into the at least one medicine container arranged in the clean room, and the manipulation device can be actuated by means of an actuation device via the actuation connection region of the shell, and is designed to displace the filling device—relative to the at least one medicine container—and/or to actuate the filling device.

Abstract: Systems and methods for nesting refill filtered pipette tips to reduce storage space and plastic waste are provided herein. Embodiments include a lower filtered refill wafer comprising a lower plurality of refill filtered pipette tips in a nested filtered pipette tip rack, the lower filtered refill wafer comprising the lower plurality of refill filtered pipette tips having holes between top portions of the lower plurality of refill filtered pipette tips. Various embodiments further include an upper filtered refill wafer comprising an upper plurality of refill filtered pipette tips nested into the holes between the top portions of the lower plurality of refill filtered pipette tips, the nesting of the upper filtered refill wafer thereby reducing storage space for the nested filtered pipette tip rack compared with storage space for a filtered pipette tip rack that is not nested.

Abstract: A tubular structure for producing droplets and a method of using the tubular structure to produce droplets are provided. The tubular structure includes microchannel structures, and is used for droplet generation, droplet collection, nucleic acid amplification and/or in situ droplet detection, etc.

Abstract: Embodiments of the present disclosure pertain to a colorimetric system for detecting a substance, the colorimetric system that includes a first chemical container adapted for releasing a first chemical; a second chemical container adapted for releasing a second chemical; a flow modulation sheet adjacent each chemical container; and an encapsulation covering the flow modulation sheet and each chemical container, where the encapsulation comprises a window defining a target area of the filter paper such that the target area is adapted for applying the substance; where the flow modulation sheet comprises a design adapted for automatically controlling a first flow of the first chemical and a second flow of the second chemical to the target area after simultaneously releasing the first and second chemicals; and where the design comprises a first void disposed in the flow modulation sheet.

Abstract: Lateral flow devices, methods and kits for performing lateral flow assays are provided.

Abstract: In some embodiments, the present invention is a device, including: a swab including an absorptive component attached to a stem, an extraction chamber configured to receive the swab and position the absorptive component of the swab configured to be in fluid communication with an extraction reagent, a test strip configured to be brought in fluid communication with the extraction reagent following extraction of the analyte from the biological sample, including: a sample receiving portion configured to accept a sample, a site on the strip where the analyte-specific labeled reagent has been incorporated, such reagent configured to bind the analyte from the biological sample, a capture portion configured to receive: the analyte from the biological sample and the analyte-specific labeled reagent so as to result in displaying a positive or negative result at the completion of the assay, and an adsorbent pad attached to the test strip.

Abstract: A sensor for detecting a target analyte in a sample includes a pair of conducting electrodes that are separated by a gap. An insulator is disposed in the gap between the electrodes. Plural wells are defined by one of the electrodes and the insulator, to expose the other of the electrodes. The wells are configured to receive a sample including a target analyte. The target analyte, when present in the sample received in the wells, modulates an impedance between the electrodes. The modulated impedance, which is measurable with an applied electrical voltage, is indicative of the concentration of the target analyte in the sample. The wells can include antibodies immobilized inside the wells, to bind the target analyte, which can be a cytokine. Also provided are a method for label-free sensing of a target analyte in a sample, and a transcutaneous impedance sensor for label-free, in-situ biomarker detection.

Abstract: There is provided a fluid analysis chamber module that allows an analysis element to be replaced in a sliding manner. The module includes a middle body, an upper body, and a lower body, in which the upper body and the lower body are rotated to be in contact with an upper surface and a lower surface of the middle body and to release from the contact state. The middle body provides a chamber hole where a tray with the analysis element seated thereon can be mounted. The middle body is provided on its front end with a tray receiving opening through which the tray is mounted into the chamber hole. When the upper body and lower body are rotated to be in contact with the upper surface and the lower surface, respectively, the chamber hole is closed, a fluid supplying line and discharging line are sealed, pogo pins for power supply and signal transmission are contacted to electrodes of the analysis element.

Abstract: A cartridge includes a substrate including a polymerase chain reaction (PCR) zone. The PCR zone includes a first heating region, a second heating region spaced away from the first heating region and a detection region. A microchannel is formed in the substrate. The microchannel receives a fluid flowing therethrough, the microchannel passing through the first heating region and second heating region to thermally cycle the fluid. The microchannel passes through the detection region after the fluid has been thermally cycled.

Abstract: Various embodiments of fluidic devices and methods of the present teaching can provide precision on-device loading of fluidic samples, and merging, mixing, and splitting of the fluidic samples, in illustrative embodiments as droplets, using pressures that can be provided by standard laboratory liquid handling equipment. Various embodiments of fluidic devices of the present teachings can provide on-device manipulation of accurate and precise fluidic volumes at the picoliter to nanoliter scale for each steps from fluidic sample loading to fluidic sample splitting. Various embodiments of fluidic elements of the present teachings, for example, but not limited by, various embodiments of fluidic traps of the present teachings, can have a constrained and measurable geometry, allowing for accurate and precise tuning of each fluidic sample volume throughout the on-device liquid handling process.

Abstract: A method of operating an electrowetting on dielectric (EWOD) device performs microfluidic diffusion separation.

Abstract: A method for generating micro samples and a generation chip. The method includes: simultaneously adding polyelectrolyte solutions with opposite charges respectively at a set flow rate to at least one pair of liquid inlet holes of pretreated generation chip of micro samples; wherein proportions of positive charges and negative charges of the polyelectrolyte solutions added to the pair of liquid inlet holes are substantively same; respectively controlling sample inlet channels through which the polyelectrolyte solutions in the liquid inlet holes enter the generation chip to be communicated with the liquid inlet holes; and controlling convergence of the polyelectrolyte solutions entering the sample inlet channels in a main channel of the generation chip, and forming in situ micro samples of a compound with a set diameter in the main channel within a set recombination time.

Abstract: A system and method for processing and detecting nucleic acids from a set of biological samples, comprising: a capture plate and a capture plate module configured to facilitate binding of nucleic acids within the set of biological samples to magnetic beads; a molecular diagnostic module configured to receive nucleic acids bound to magnetic beads, isolate nucleic acids, and analyze nucleic acids, comprising a cartridge receiving module, a heating/cooling subsystem and a magnet configured to facilitate isolation of nucleic acids, a valve actuation subsystem configured to control fluid flow through a microfluidic cartridge for processing nucleic acids, and an optical subsystem for analysis of nucleic acids; a fluid handling system configured to deliver samples and reagents to components of the system to facilitate molecular diagnostic protocols; and an assay strip configured to combine nucleic acid samples with molecular diagnostic reagents for analysis of nucleic acids.

Abstract: Systems, methods, and apparatuses are provided for self-contained nucleic acid preparation, amplification, and analysis.

Abstract: Provided herein are devices or viewers for storing and/or viewing a preserved DNA specimen. The device has a top viewing section and a bottom base section and the viewer has a single body with an upper viewing portion interfaced with a lower base portion. The device and the viewer each have a slide receptacle formed therein to receive a slide containing the DNA specimen and a viewing scope with an eyepiece and a magnifying lens disposed therein in optical alignment with the slide receptacle and slide.

Abstract: Pipette tip couplers, pipette tips, coupler and tip combinations, and methods for coupling and decoupling a pipette tip to or from an expanding mandrel collet coupling device. The pipette tip couplers include a central body, a spacer with cogs circumscribing the central body, an expanding mandrel collet circumscribing the spacer having an annular base and circumferentially spaced apart upwardly extending collet arms, and an elastomeric element circumscribing the central body. The cogs protrude through spaces between the collet arms. The collet arms are attached to the annular base and configured to expand between a first and a second circumference for engaging a first interior surface of the tip, with the elastomeric element sealing against a second interior surface below the first surface, and with an abutment between the cogs and a stepped interior shoulder of the pipette tip disposed between the first and second interior surfaces.

Abstract: Embodiments disclosed herein provide a cone crusher having a bowl support and a stationary frame to which the bowl support may be mounted, the frame including an outwardly-facing threaded portion. A wedge structure may be disposed between the bowl support and the threaded portion of the frame, the wedge structure including an inwardly-facing threaded portion, the threads of which complement the outwardly facing threaded portion of the frame. Means may be provided for exerting an upward force on the wedge structure to move the wedge structure from an original position to an operational position during crushing operations and means may be provided for exerting a downward force on the wedge structure to return the wedge ring to the original position following crushing operations.

Abstract: The present invention involves a collapsible and disposable container that is inserted into a paper shredder to catch the shredded paper fragments. The disposable container has a relatively narrow slot-shaped opening having a length less than the longest dimension of the top of the container. A pair of counter-rotating rollers is supplied to compact the paper fragments and feed them through the slot and into the waste container. Various sensor systems, some constructed from conductive ink are used with and within the disposable container.

Abstract: A system for processing an agricultural waste biomass product into grinded product includes a cutting and mixing unit configured for cutting and mixing harvested biomass to a first uniform size and blend and a grinder unit configured for cutting biomass to a second uniform size. The cutting and mixing unit is in fluid communication with the grinder unit through a first transport unit configured for transporting the biomass from the cutting and mixing unit to the grinder unit.

Abstract: Embodiments include systems and methods for multiple-stage grinding of crushed ore material. A method may comprise separating, in a first stage of separating, crushed ore material by size into a first fines stream and a first coarse stream; grinding the first coarse stream in a second stage of grinding; feeding the product of the second stage of grinding back to the step of separating; feeding the first fines stream from the step of separating to a recovery circuit; producing a rejected stream from the recovery circuit of crushed ore material that does not meet the target mineral size; separating, in a second stage of separating, the rejected stream from the recovery circuit into a second fines stream and a second coarse stream; grinding the second coarse stream in a third stage of grinding; and feeding the product of the third stage of grinding back to the recovery circuit.

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: One embodiment relates to a system and method by which the magnetic susceptibility of a fluid is changed to separate the fluid according to differences in magnetic susceptibility. According to one embodiment, a fluid separation system and method can efficiently separate materials contained in a fluid according to magnetic susceptibility, without damage such as hemolysis or without changes in the types or concentrations of marker proteins in plasma.

Abstract: The invention consists of a continuous sorting method and device which highlights the trajectory differences to which fibers of different form factors and particles charged under the joint influence of electrical and gravitational forces could be subjected. Thus, according to the sorting method, the conditions exploit this difference in order to recover/collect the fibers separated from the non-fibrous particles present in the same initial aerosol or to sort fibers exhibiting different form factors.

Abstract: Apparatus uses engineered collection media to recover mineral particles in a mineral extraction process, e.g., for processing a tailings stream at the end of a flotation separation process. The engineered collection media are added to slurry/tailings containing the mineral particles. The engineered collection media have collection surfaces coated with a chemical selected for attracting the mineral particles to the collection surfaces so the engineered collection media becomes mineral laden media in the slurry/tailings in a loading stage. The apparatus include three stages: removing unwanted material from mineral laden media; using a stripping agent to strip the mineral particles from the mineral laden media; and separating the engineered collection media from the mineral particles and the stripping agent. The stripping agent is reused for stripping, and the engineered collection media are returned to the loading stage. The engineered collection media can have a smooth or foam-like surface.

Abstract: A nozzle assembly includes a hollow nozzle body having a central bore and a plurality of ports extending through the body from the central bore; a switching valve assembly disposed in the central bore that directs fluid flow to ports upon application of fluid flow above a predetermined threshold to the inlet and direct fluid flow to different ports upon fluid flow having subsequently dropped below the predetermined threshold and then exceeding the predetermined threshold; and a flow insert configured to replace the switching valve assembly for directing flow through all of the ports when switching functionality is not needed. This flow insert may be made of a low pressure material such as a polymer.

Abstract: A spray head for an agricultural sprayer, the spray head including a fan with a central axis, the spray head also including dual liquid manifolds coaxial about the fan's central axis, each manifold having a plurality of spray nozzles positioned to be capable of spraying liquid into air exiting the fan, and each manifold having a liquid inlet and a liquid outlet so as to permit individual control of liquid through each manifold.

Abstract: An apparatus and method of restricting entry velocity into a tank is provided. To this end, a throttle plate is utilized to reduce circulation turbulence and significantly reduce the probability of damage to fragile articles undergoing deglazing, defrosting, washing or other circulation within a fluid tank. The throttle plate includes a main body with a top, bottom, and opposing sides and is configured to interface with a wash tank in a variety of throttle plate conditions. The main body of the throttle plate sits substantially against an interior wall of the wash tank, partially obscuring one or more inward flowing jets associated with the wash tank. Such obscuring dampens or throttles the flow of water from the jets into the wash tank. The throttle plate is adjustable; thus, a user of the wash tank can utilize the throttle plate to selectively control the flow of water into the tank.

Abstract: A dispense valve assembly for selectively providing fluid to a nozzle from a cartridge of a dispensing apparatus is disclosed. The dispense valve assembly includes a dispense valve including a valve rod and a dispense valve actuator for actuating the valve rod, as well as a component assembly that includes a valve housing and a nozzle adapter. The valve housing defines a proximal end for releasably attaching to the dispense valve, a distal end opposite the proximal end, and an angled extension defining an inlet. The dispense valve assembly also includes a nozzle adapter defining a proximal end for attaching to the distal end of the valve housing and a distal end opposite the proximal end. The dispense valve assembly also includes a nozzle releasably attached to the distal end of the nozzle adapter. The valve housing can be disposed after a single use.

Abstract: The water-saving nozzle has an outer housing that includes an outer vortex screw in operative engagement with an inner housing that is disposed inside the outer housing. The vortex screw has helical threads. The inner housing has an inner vortex screw with outside helical threads. When water passes through the outer and inner vortex screws the water is rotated before the water passes into the vortex chambers of the inner and outer housings. The water discharged from the outer housing forms an outer dome shape and the water discharged from the inner housing forms an inner dome shape inside the outer dome shape.