The present disclosure provides high-performance hybridization reagents for use in a variety of hybridization assays and other related techniques. The hybridization reagents comprise an oligonucleotide probe and a bridging antigen, wherein the bridging antigen is recognized by a detectable antibody with high affinity. Also provided are compositions comprising panels of hybridization reagents specific for multiple different target nucleic acids and compositions comprising pairs of hybridization reagents and their complementary detectable antibodies. The paired hybridization reagents and detectable antibodies are useful in a variety of hybridization assays, particularly in highly multiplexed assays, where the structure of the bridging antigen is varied in tandem with variation in the detectable antibody, such that a multiplicity of hybridization reagents are provided that are capable of simultaneously detecting a multiplicity of target nucleic acids in a single assay. Also provided are kits comprising the hybridization reagents, methods of hybridization assay using the hybridization reagents of the disclosure, and methods of preparation of the hybridization reagents.

A hierarchical catalyst composition comprising a continuous or particulate macroporous scaffold in which is incorporated mesoporous aggregates of magnetic nanoparticles, wherein an enzyme is embedded in mesopores of the mesoporous aggregates of magnetic nanoparticles. Methods for synthesizing the hierarchical catalyst composition are also described. Also described are processes that use the recoverable hierarchical catalyst composition for depolymerizing lignin, remediation of water contaminated with aromatic substances, polymerizing monomers by a free-radical mechanism, epoxidation of alkenes, halogenation of phenols, inhibiting growth and function of microorganisms in a solution, and carbon dioxide conversion to methanol. Further described are methods for increasing the space time yield and/or total turnover number of a liquid-phase chemical reaction that includes magnetic particles to facilitate the chemical reaction, the method comprising subjecting the chemical reaction to a plurality of magnetic fields of selected magnetic strength, relative position in the chemical reaction, and relative motion.

Provided is a component measuring apparatus configured to determine a functional form that describes wavelength characteristics of a variation attributable to scattering (S ()). The apparatus then determines unknown one or more coefficients (p, q) based on a first relational expression that involves a variation attributable to absorption (H (1)) and a group of second relational expressions that do not involve variations attributable to absorption (H (2a), H (2b), H (2c)). The apparatus then corrects an absorbance measured at an arbitrary wavelength () using a function where the one or more coefficients (p, q) are applied to the functional form so as to reduce or eliminate at least the effects of scattering of light.

The present invention provides a composition of nanoparticles comprising a biological mimetic base component that forms the structure of the nanoparticle. By interacting with the functional groups of the base component, the half-life of a bioactive molecule is extended.

Glucose oxidase and further compositions are described. The glucose oxidase compositions have glucose oxidase and at least one ingredient selected from one or more of carbohydrate (e.g. dietary fiber or saccharide), polyol or sugar alcohol while further compositions are sweeteners, food, compositions for fortification of food, nutraceuticals and pharmaceuticals. The compositions incorporate low glycemic index nutritive compound of glycemic index less than 70, preferably less than 50, and are in the form of powders, granules, crystalline compositions, flours, pills, tablets, capsules, pellets, powder for oral suspensions, gels, liquid solutions and suspensions, and sterile preparations. The compositions regulate one or more diseases/conditions, including but not limited to those associated with blood, kidney, thyroid, nerves, joints, weight, diabetes, oxidative stress, cardiovascular disease, insulin resistance, amyloid foot ulcers, cataract, glaucoma, hypertension, metabolic disorders, digestive disorders polycystic ovarian syndrome, mastopathy, dupuytren's contracture, gingivitis, periodontitis, dental caries, mouth disorders, cognitive dysfunction, and Parkinson's disease.

Embodiments of the current invention include a hydrogel formed from crosslinked polyethylene glycol into which acrylated glucose oxidase has been immobilized through crosslinking to the gel. These hydrogels can be used to create hypoxia under ambient conditions for at least 72 hours and can be used to create hypoxic gradients. These embodiments permit the study of cells under a variety of hypoxic conditions.

A method of testing a liquid sample for the presence of an analyte, the method comprising the steps of: forming a mixture by contacting the sample with a composition comprising an oxidase for formation of hydrogen peroxide from the analyte, a fluorescent indicator precursor capable of forming a fluorescent indicator in the presence of an oxygen radical and an iron compound wherein the iron compound is dissolved in the mixture; irradiating the mixture; and measuring fluorescence from the fluorescent indicator. The method may be carried out using a device in which the mixture in a channel or chamber (101) of a microfluidic device is irradiated by light from light source (103) and emission from the fluorescent indicator is detected by photodetector (105).

Disclosed herein are microneedle devices, kits comprising the microneedle devices, and methods of using the microneedle devices. Specifically, disclosed is a device for transport of a material across a biological barrier of a subject comprising: a plurality of microneedles each having a base end and a tip, with at least one pathway disposed at or between the base end and the tip; a substrate to which the base ends of the microneedles are attached or integrated; and at least one reservoir which is in connection with the base ends of the microneedles array, wherein the reservoir comprises an agent delivery system, wherein the agent delivery system comprises an agent to be transported across the biological barrier, or a means for producing an agent to be transported across the biological barrier, and a means for detecting a physiological signal from the recipient.

A granule for detecting glucose in pet urine, includes: 80-100 parts by weight of a filler, 30-50 parts by weight of water-absorbent material, 2-4 parts by weight of a bacteriostatic agent, 5-10 parts by weight of an adhesive, 1-2 parts by weight of glucose oxidase, 2-4 parts by weight of peroxidase, 2-6 parts by weight of an indicator.

The disclosure relates to textile biosensors and related systems that can be used for in situ health monitoring and disease detection. The biosensors include a flexible or textile substrate, a working electrode embroidered thereon, a reference electrode embroidered thereon, optionally a counter electrode embroidered thereon, and an enzyme probe bound to the working electrode. The biosensors can be integrated directly onto fabrics and garments to provide lightweight, unobtrusive wearable sensing systems that do not compromise wearer mobility, comfort or attention.