Abstract: Provided herein are methods for making a freeze-cast material having a internal structure, the methods comprising steps of: determining the internal structure of the material, the internal structure having a plurality of pores, wherein: each of the plurality of pores has directionality; and the step of determining comprises: selecting a temperature gradient and a freezing front velocity to obtain the determined internal structure based on the selected temperature gradient and the selected freezing front velocity; directionally freezing a liquid formulation to form a frozen solid, the step of directionally freezing comprising: controlling the temperature gradient and the freezing front velocity to match the selected temperature gradient and the selected freezing front velocity during directionally freezing; wherein the liquid formulation comprises at least one solvent and at least one dispersed species; and subliming the at least one solvent out of the frozen solid to form the material.

Abstract: The present invention provides microfabricated substrates and methods of conducting reactions within these substrates. The reactions occur in plugs transported in the flow of a carrier-fluid.

Abstract: Provided herein are methods for making a freeze-cast material having a internal structure, the methods comprising steps of: determining the internal structure of the material, the internal structure having a plurality of pores, wherein: each of the plurality of pores has directionality; and the step of determining comprises: selecting a temperature gradient and a freezing front velocity to obtain the determined internal structure based on the selected temperature gradient and the selected freezing front velocity; directionally freezing a liquid formulation to form a frozen solid, the step of directionally freezing comprising: controlling the temperature gradient and the freezing front velocity to match the selected temperature gradient and the selected freezing front velocity during directionally freezing; wherein the liquid formulation comprises at least one solvent and at least one dispersed species; and subliming the at least one solvent out of the frozen solid to form the material.

Abstract: Methods and devices for detecting a low concentration analyte in a sample are provided herein. The methods include flowing a sample through a porous membrane coated with a capture matrix to capture the low concentration analyte. The methods also can include detecting the captured analyte, such as by performing in-situ amplification of the analyte.

Abstract: Disclosed herein are methods and devices for using digital isothermal amplification to detect subtle responses to environmental stimuli, such as detecting antibiotic susceptibility using digital quantification of DNA replication and/or chromosome segregation.

Abstract: Provided herein is an antibiotic susceptibility test and related compositions, methods and systems based on detection of a nucleic acid from a target microorganism in a sample in the presence or absence of a lysis treatment of the sample.

Abstract: Methods and systems and related compositions for separating through a solid matrix a mixture comprising a nucleic acid in a concentration of 1 ?M or less, together with a target compound having a water solubility equal to or greater than 0.001 g per 100 mL, which can be used for managing fluid flow, biochemical reactions and purification of the nucleic acid or other target analytes. The method comprises contacting the solid matrix with a target compound removing agent having a water solubility equal to or less than 0.05 g per 100 mL at 25° C. at 1 atm pressure with water having a solubility in the removing agent of less than 10 g per 100 mL at 25° C. at 1 atm pressure, the contacting performed to remove the target compound from the solid matrix.

Abstract: Provided herein are methods and systems and related composition, to provide a rodent model having a target microbiome profile formed by a target presence, a target proportion and/or a target total load of a target prokaryote of a target taxon, based on absolute quantification of the target prokaryote. Further provided are rodents obtained by the methods herein described and related use in testing methods performed in connection with physiological or pathological conditions in an individual preferably a human individual. Also provided herein is a tailcup device and related use to prevent coprophagia in rodents.

Abstract: Provided herein are methods and systems for absolute quantification of a target 16S rRNA and/or of a target prokaryotic taxon, based on amplifying and sequencing a same 16S rRNA recognition segment in which target 16S rRNA conserved regions flank 16S rRNA variable regions, conserved and variable among a plurality of sample 16S rRNAs and/or of a sample prokaryotic taxon of higher taxonomic rank with respect to the target taxon. In the methods and systems, absolute abundance of the a plurality of sample 16S rRNAs and/or of the sample prokaryotic taxon detected by the amplifying, is multiplied by the relative abundance of the target 16S rRNA and/or of a target prokaryotic taxon detected by the sequencing to provide the absolute quantification in accordance with method and systems of the disclosure.

Abstract: The present invention provides microfluidic technology enabling rapid and economical manipulation of reactions on the femtoliter to microliter scale.

Abstract: The present invention relates to methods, computer readable medium and systems for detecting and counting single nucleic acid molecules confined in nanoliter volumes using an unmodified camera, such as a cell phone camera. In particular, it identifies colorimetric amplification-indicator dyes that are compatible with the spectral sensitivity of standard mobile phones. The invention further provides an optimal ratiometric image-process for a selected dye to achieve a readout that is robust to lighting conditions and camera hardware and provides unambiguous quantitative results, even for colorblind users.

Abstract: The present invention provides microfabricated substrates and methods of conducting reactions within these substrates. The reactions occur in plugs transported in the flow of a carrier-fluid.

Abstract: The present invention provides microfluidic technology enabling rapid and economical manipulation of reactions on the femtoliter to microliter scale.

Abstract: The present invention provides microfabricated substrates and methods of conducting reactions within these substrates. The reactions occur in plugs transported in the flow of a carrier-fluid.

Abstract: Provided herein are methods for making a freeze-cast material having a internal structure, the methods comprising steps of: determining the internal structure of the material, the internal structure having a plurality of pores, wherein: each of the plurality of pores has directionality; and the step of determining comprises: selecting a temperature gradient and a freezing front velocity to obtain the determined internal structure based on the selected temperature gradient and the selected freezing front velocity; directionally freezing a liquid formulation to form a frozen solid, the step of directionally freezing comprising: controlling the temperature gradient and the freezing front velocity to match the selected temperature gradient and the selected freezing front velocity during directionally freezing; wherein the liquid formulation comprises at least one solvent and at least one dispersed species; and subliming the at least one solvent out of the frozen solid to form the material.

Abstract: Provided herein are methods, compositions, and devices for the identification and quantification of analytes, such as nucleic acids, proteins, cells or other biological samples. The methods, compositions, and devices are suited for accurate, portable analysis of small amounts of analyte.

Abstract: The present invention provides microfabricated substrates and methods of conducting reactions within these substrates. The reactions occur in plugs transported in the flow of a carrier-fluid.

Abstract: The present invention provides microfabricated substrates and methods of conducting reactions within these substrates. The reactions occur in plugs transported in the flow of a carrier-fluid.

Abstract: A device is described having a first surface having a plurality of first areas and a second surface having a plurality of second areas. The first surface and the second surface are opposed to one another and can move relative to each other from at least a first position where none of the plurality of first areas, having a first substance, are exposed to plurality of second areas, having a second substance, to a second position. When in the second position, the plurality of first and second areas, and therefore the first and second substances, are exposed to one another. The device may further include a series of ducts in communication with a plurality of first second areas to allow for a substance to be disposed in, or upon, the plurality of second areas when in the first position.

Abstract: The present invention provides microfabricated substrates and methods of conducting reactions within these substrates. The reactions occur in plugs transported in the flow of a carrier-fluid.