Abstract:
A modified porous membrane comprising a polymer coating grafted to a porous membrane is described. A method for analyte detection from a biological sample using an immunoassay is also provided using the modified membrane, wherein the method comprises a) providing a modified porous membrane having the structure of Formula (I), b) incubating the modified porous membrane with a first biomolecule, wherein the first biomolecule binds to the modified porous membrane to form a first biomolecule bound modified porous membrane; and c) adding a biological sample comprising at least an analyte to the first biomolecule bound modified porous membrane for analyte detection by binding the analyte to the first biomolecule bound to the modified porous membrane.
Abstract:
An electrospinning approach is disclosed for generating a dissolvable formulation of a reagent of interest in a nanoscale fiber medium. In one embodiment, the nanoscale fibers can incorporate and stabilize biological agents of interest, such as for storage at room temperature for extended periods. In one implementation, the fibers can be produced in a continuous manner and dissolve rapidly.
Abstract:
A carbon dioxide (CO2) capture system and method for removing CO2 from an inlet gas including a first fluid stream inlet providing for the flow of a first fluid stream, such as an inlet gas containing CO2, and a second fluid stream inlet providing for the flow of a second fluid stream, such as steam, an outlet providing for the flow of a CO2 depleted stream from the CO2 capture system, an outlet providing for the flow of a CO2 stream from the CO2 capture system and a concentrator in fluid communication with the first fluid stream. The system further including a first contactor and a second contactor. Each of the first contactor and the second contactor defining therein a first fluidically-isolated, sorbent-integrated, fluid domain for flow of the first fluid stream and CO2 adsorption and a second fluidically-isolated fluid domain for flow of the second fluid stream to assist in desorption.
Abstract:
In some embodiments, the present disclosure relates to a system. The system includes a substrate and a fluid capture material formed on one or more surfaces of the substrate. The fluid capture material includes a sorbent material that binds one or more fluids, the one or more fluids comprising water, carbon dioxide, sulfur oxides, or a combination thereof. The fluid capture material also includes one or more binder materials, wherein the binder material is at least partially cross-linked.
Abstract:
A rapid diagnostic testing device for testing of a biological sample is provided. The device comprises a channeled construct, at least one lateral flow unit, and a cassette housing. The channeled construct is configured to receive a biological sample to form at least partially purified biological sample. The lateral flow unit is at least partially disposed in the cassette housing. The lateral flow unit comprises: a sample receiving zone, a conjugate zone and a detection zone. The sample receiving zone is operatively coupled to the channeled construct for receiving the partially purified biological sample comprising at least one analyte. The conjugate zone comprising a conjugate particle to bind the analyte is disposed adjacent to the first side of the sample receiving zone. The detection zone is disposed adjacent to the second side of the sample receiving zone and comprises at least one binding agent for detecting the analyte.
Abstract:
A device for rapid detection of a tuberculosis lipoarabinomannan (TB-LAM) is provided. The device includes a pre-concentrator unit for concentrating the TB-LAM comprising: an ion-exchange medium comprising one or more ligands configured to capture the TB-LAM from the source biological sample, wherein the captured-TB-LAM is eluted from the ion-exchange medium as an eluate comprising a concentrated form of TB-LAM; a cassette; a lateral flow assay unit disposed in the cassette; and an integration unit attached to the pre-concentrator unit and the cassette. The integration unit is configured to operatively couple and de-couple the pre-concentrator unit and the cassette. The pre-concentrator unit and the lateral flow assay unit disposed in the cassette are in a fluidic communication in a coupled form. The device for rapid detection of TB-LAM further comprises a dilutor unit.
Abstract:
A membrane including a block copolymer is presented. The block copolymer includes at least one block A including structural units having a formula (I), and at least one block B including structural units having a formula (II). A hollow-fiber membrane for hemodialysis or hemofiltration, and associated block copolymer are also presented.
Abstract:
A water recovery system including a first fluid stream inlet providing for the flow of a first fluid stream, such as a humidified inlet gas, into the system and a second fluid stream inlet providing for the flow of a second fluid stream, such as a gas having a temperature greater than the humidified inlet gas, into the system. At least one contactor is in fluid communication with the first fluid stream inlet and the second fluid stream inlet. The at least one contactor defining therein a first fluidically-isolated, sorbent-integrated, fluid domain for flow of the first fluid stream and water adsorption, a second fluidically-isolated fluid domain for flow of the second fluid stream wherein the second fluidically-isolated fluid domain is in thermal communication with the first fluidically-isolated, sorbent-integrated, fluid domain and a third fluidically-isolated fluid domain for capture of a condensate and recycling of latent heat of condensation back to the first fluidically-isolated, sorbent-integrated, fluid domain.
Abstract:
A device for rapid detection of a tuberculosis lipoarabinomannan (TB-LAM) is provided. The device includes a pre-concentrator unit for concentrating the TB-LAM comprising: an ion-exchange medium comprising one or more ligands configured to capture the TB-LAM from the source biological sample, wherein the captured-TB-LAM is eluted from the ion-exchange medium as an eluate comprising a concentrated form of TB-LAM; a cassette; a lateral flow assay unit disposed in the cassette; and an integration unit attached to the pre-concentrator unit and the cassette. The integration unit is configured to operatively couple and de-couple the pre-concentrator unit and the cassette. The pre-concentrator unit and the lateral flow assay unit disposed in the cassette are in a fluidic communication in a coupled form. The device for rapid detection of TB-LAM further comprises a dilutor unit.
Abstract:
A rapid detection method of a target biomolecule comprising an antigenic moiety is provided. The method includes providing a source biological sample comprising the target biomolecule; contacting the source biological sample to an ion-exchange medium; eluting the captured-target biomolecule from the ion-exchange medium as an eluate, and loading the eluate to a rapid diagnostic testing device comprising an antibody. The eluate comprises a concentrated form of the biomolecule in a solution having a salt concentration greater than 150 mM. A concentration of the target biomolecule in the eluate is in a range from about 2× to 25× compared to a concentration of the biomolecule in the source biological sample. The target biomolecule binds to the antibody under the salt concentration of greater than 150 mM. A device for rapid detection of target biomolecule is also provided.