G01N33/54366

Nozzle and dispensing container

A nozzle includes a mounting opening that is to be connected to an opening portion of a container, an outlet that jets liquid stored in the container, a side face that connects the mounting opening to the outlet, and a liquid storage portion that stores a part of the liquid stored in the container in the nozzle without jetting a part of the liquid from the outlet in a case where the liquid is to be jetted from the dispensing container, that is, in a case where the outlet faces downward in the direction of gravity.

DEVICE FOR DETECTING MISFOLDED PROTEINS AND METHODS OF USE THEREOF
20230251251 · 2023-08-10 ·

The present invention relates to diagnostic devices as well as methods of using these devices for detecting proteins of interest associated with diseases or disorders in mammals. In particular, the proteins of interest may be misfolded proteins associated with certain misfolded-protein disorders in mammals including those mammals suspected of or at risk of having such disorders.

Probe for dual-mode bio-imaging

The present subject matter relates to compounds that have aggregation-induced emission (AIE) characteristics and are capable of generating Raman signals in the Raman cell-silent region (1800 cm.sup.−1-2800 cm.sup.−1). The compounds can be used in dual-mode cell imaging by fluorescence and Raman microscopes.

MICROFLUIDIC IMMUNOASSAY CHIP AND MICROFLUIDIC LINE IMMUNOASSAY METHOD
20230251250 · 2023-08-10 ·

The present disclosure relates to a microfluidic immunoassay chip and a microfluidic line immunoassay method. The microfluidic immunoassay chip includes a loading cell, a reaction and detection cell, a washing cell, an enzyme storing cell, a substrate cell, and a termination cell, and a waste liquid cell. A detection membrane strip is disposed in the reaction and detection cell and coated with a capture antigen or a capture antibody.

DEVICES AND METHODS FOR SAMPLE ANALYSIS

Integrated devices that include a sample preparation component integrated with a detection component are disclosed. The sample preparation component may be a digital microfluidics module or a surface acoustic wave module which modules are used for combing a sample droplet with a reagent droplet and for performing additional sample preparation step leading to a droplet that contains beads/particles/labels that indicate presence or absence of an analyte of interest in the sample. The beads/particles/labels may be detected by moving the droplet to the detection component of the device, which detection component includes an array of wells. Additional analyte detection devices configured to operate an analyte detection chip to prepare a test sample and to detect an analyte related signal from the prepared test sample in the analyte detection chip are disclosed. The analyte detection chip may include a digital microfluidics (DMF) region and an analyte detection region which may overlap or may be spatially separated. The analyte detection device may be configured for detection of analyte by an optical or electrochemical means operably connected with an analyte detection chip inserted into the device.

System for portable and easy-to-use detection of analytes with mobile computing device
11717822 · 2023-08-08 · ·

This system takes in raw cellular material collected using a provided swab, blood collection device, urine collection device, or other sample collection device and transforms that biological material into a digital result, identifying the presence, absence and/or quantity of nucleic acids, proteins, and/or other molecules of interest.

Liquid immersion micro-channel measurement device and measurement method which are based on trapezoidal incident structure prism incident-type silicon

The present invention relates to a liquid immersion micro-channel measurement device and measurement method which are based on trapezoidal incident structure prism incident-type silicon, and according to one embodiment of the present invention, the liquid immersion micro-channel measurement device based on trapezoidal incident structure prism incident-type silicon comprises: a micro-channel structure including a support and at least one micro-channel, which is formed on the support and has a sample detection layer to which a first bioadhesive material for detecting a first sample is fixed; a quadrangular pyramid-shaped prism formed on the upper part of the micro-channel structure; a sample injection unit for injecting, into the micro-channel, a buffer solution containing the first sample; a polarized light generation unit for emitting incident light polarized through the prism on the micro-channel at an incident angle that satisfies a p-wave non-reflection condition; and a polarized light detection unit for detecting, from the polarized incident light, a polarization change in a first refection light reflected from the sample detection layer, wherein the prism completely reflects, from the polarized incident light incident on the prism, on an upper boundary surface of the prism, second reflection light reflected from a lower boundary surface of the prism and a boundary surface of the buffer solution injected into the micro-channel.

Patterned membrane structure

The present invention relates to a patterned membrane structure comprising a microporous membrane layer, wherein the microporous membrane layer includes a plurality of flow lanes, the flow lanes are separated by hydrophobic separation channels, and the flow lanes and hydrophobic separation channels form a repetitive pattern; and a method for manufacture of the patterned membrane structure. The patterned membrane structure according to the present invention represents an industrial scale precursor of membranes such as a multiparameter lateral flow membrane comprising separated flow lanes.

Upconversion for microscopy
11719700 · 2023-08-08 · ·

Two or more upconverting particles are attached to each unit of one or more units of a chemical component in a sample, to form, for each unit of the chemical component, a multi-particle complex including the unit of the chemical component and two or more corresponding upconverting particles. The sample is illuminated by input light having a first wavelength. Light is received at an imaging sensor, the received light including output light generated by at least a portion of the upconverting particles attached to the units of the chemical component, the output light having a second wavelength that is shorter than the first wavelength. One or more images of the sample are captured from the received light. Based on the captured one or more images, a presence or a level of the chemical component in the sample is determined.

Methods of detecting anti-folic acid antibodies and uses thereof

The invention relates to devices and methods for detecting the presence of antibodies to folic acid in a sample.