According to one embodiment, a method for detecting a sample includes preparing a device for detecting a sample, the device including a measurement cassette, a first chamber formed by partitioning the cassette with a partition wall, a through-hole provided in the partition wall, a first electrode provided in the cassette, and a second electrode provided in the cassette, introducing a reagent and a sample containing a measuring object substance into the first chamber, introducing a conductive liquid into the second chamber, supplying current to the through-hole, allowing the measuring object substance whose surface is bound to and is covered by the tag particles via the capture substance in the first chamber to pass through the through-hole, and detecting presence of the measuring object substance.

A micro liquid transfer structure includes a plurality of micro projections arranged at intervals causing a capillary action, wherein the plurality of micro projections form periodically arranged unit rows, wherein each of the unit rows comprises the micro projections arranged in one row; and liquid transfer paths that are gaps between the micro projections, wherein at least one of the liquid transfer paths is a low flow resistance liquid transfer path having a flow resistance lower than flow resistances of the other liquid transfer paths, and wherein the low flow resistance liquid transfer path is disposed along a predetermined liquid transfer direction.

Certain embodiments are directed to an ultrasensitive poly(methyl methacrylate) (PMMA) ELISA microfluidic microplate, where the protein is covalently bound to a poly-lysine modified or carboxylated PMMA surface.

The present invention relates to methods of quantitatively analyzing and detecting interactions, which effectively occur between detector materials displayed on a nano-assembly matrix at high density, and sensitively labeling and isolating a target material that effectively interacts with the detector materials, by the use of energy transfer and signal changes that effectively occur in label molecules displayed at high density. Specifically, the present invention relates to a method of quantitatively detecting the interactions between various bioactive materials, which occur in vitro or in vivo, based on high-density displays of molecules, and to a method of sensitively labeling a target material that interacts with these bioactive materials.

The present invention provides an apparatus for detecting an analyte in a fluid sample, comprising a fluid sample collection element, comprising a fluid sample collection element that comprises an absorbing element; a carrier for accommodating a testing element; and a chamber for accommodating a testing element carrier, wherein the testing element carrier is located in the chamber, and the carrier further comprises an extrusion structure that is in contact with the absorbing element and extrudes the absorbing element.

A microfluidic device comprising a microfluidic channel network sealed on one side by a membrane sheet, the sheet having PDMS defining at least the surface sealing the channel, the membrane sheet on its opposite side sealing one side of a pneumatic channel, the pneumatic channel arranged to enable pneumatic deflection of a deflectable portion of the membrane sheet into contact with an opposed surface to control flow in a channel of the network, the membrane sheet confining in a channel of the network at least one micro-particle, micro-length tube or glass nano reactor, functionalized with a capture agent, that has been inserted into that channel. A microfluidic device having a microfluidic channel containing at least two micro-particles, micro-length tubes or glass nano reactors, one functionalized with nucleic acid and another with antibody or antigen. A microfluidic device having a microfluidic channel containing at least one micro-length tube or glass nano reactor functionalized to capture nucleic acid, the device constructed to enable recovery of the nucleic acid captured by the device.

Disclosed are devices, kits, apparatus, and methods for rapid homogenous cell staining and imaging.

A method for extracting a mycotoxin, when present, from a sample. Compositions and methods include the use of high ionic strength compositions including compositions that include many amine and/or carboxyl groups such as protein based, amino acid based and polyethylene glycol based composition.

A two-sided flow-through immunoassay testing device is provided. The device comprises a well having therein a plurality of orifices, the plurality of orifices serving to channel biologic material deposited into the well onto different immunoassay pods, wherein the immunoassay pods may contain immunoassay test layers stacked to create an immunoassay test. The device further includes a results window. Inside the device, and between the window and the pods, there are open sections below each pod to allow a user to view the results of the tests as presented on the reaction layers of the pods through the window.

The present invention provides an isolated binding reagent that specifically binds to a recombinant Cocoa Swollen Shoot Virus (CSSV) coat protein antigen having at least 80% sequence identity to the amino acid sequence of SEQ ID NO: 2 or 4 and/or at least 80% sequence identity to the nucleotide sequence of SEQ ID NO: 1 or 3. A porous membrane based sensor for detecting CSSV comprising a recombinant CSSV coat protein antigen and a method for detecting CSSV using the sensor are also provided. A competitive ELISA for detecting viral infections in plants is also provided.