Abstract: Disclosed herein are ceramic selective membranes and methods of forming the ceramic selective membranes by forming a selective silica ceramic on a porous membrane substrate.

Abstract: In some embodiments, a molecular tagging system that uses synthetic DNA-based tags is provided. In some embodiments, a kit for tagging objects with molecular tags is provided that comprises a plurality of molbit reservoirs. Each molbit reservoir is associated with a molbit and includes nucleic acid molecules that represent the molbit. In some embodiments, a method is provided wherein a digital tag value is determined, the digital tag value is converted to a molbit tag value, nucleic acid molecules associated with each molbit value indicated as present in the molbit tag value are combined, and the combined nucleic acid molecules are applied to an object to tag the object. In some embodiments, a system is provided that includes a computing system configured to receive raw nanopore signals from a sequencing device, to identify molbits based on the signals, and to determine a digital tag based on the identified molbits.

Abstract: Fluid access devices include a machine-side hydraulic circuit and a patient-side hydraulic circuit, and are configurable between a connected state and at least one disconnected state. In the connected state, fluid flows between the machine-side hydraulic circuit and the patient-side hydraulic circuit. In the disconnected state, fluid does not flow between the machine-side hydraulic circuit and the patient-side hydraulic circuit. In some disconnected states, fluid recirculates through at least one of the machine-side hydraulic circuit or the patient-side hydraulic circuit in the disconnected state.

Abstract: An input driven self-clocked dynamic comparator, and associated systems and methods are described herein. In one embodiment, self-clocked dynamic comparator, includes a latch configured to receive an input voltage (VIN), a reference voltage (VREF) and a clocking (CLKsf) signal, and configured to output a first rail-to-rail output (OUT+) signal and a second rail-to-rail output (OUT?) signal. The self-clocked dynamic comparator also includes a pre-amplifier (PRE-AMP) configured to output an enable (TRI) signal based on a comparison between the VIN and an adjusted VREF. The self-clocked dynamic comparator further includes a pre-amplifier (PRE-AMP) configured to output an enable (TRI) signal based on a comparison between the VIN and an adjusted VREF, and a logic gate configured to receive the TRI signal and one of the OUT+ signal and OUT? signal, and configured to output the CLKsf signal. The cycles of the CLKsf signal cause the latch to dissipate energy.

Abstract: Disclosed herein are compositions comprising globular proteins and diacrylate-containing compounds that can react in-situ to provide polymerized networks that can be formed into objects using additive manufacturing techniques, such as printing techniques that use vat photopolymerization. Objects printed using the disclosed compositions also are described, with embodiments of such objects exhibiting shape recovery behavior. Also disclosed are methods of making and using the disclosed compositions.

Abstract: Systems and methods to link CD40 signaling to antigen binding, independently of CD40 ligand binding are described. The systems and methods include fusion proteins including an extracellular antigen binding domain linked to an intracellular CD40 signaling domain.

Abstract: Disclosed are kinetically-controlled RNA biosensor constructs and related, nucleic acids, vectors, cells, systems and methods useful for detecting ligands of interest. Also disclosed are computer implemented methods for designing kinetically-controlled biosensors, guide RNA molecules, and/or target promoter sequences, and constructs produced thereby. Exemplary embodiments include scRNAs and expression cassettes incorporating synthetic promoters for implementation of CRISPRa.

Abstract: Transrectal ultrasound probe for boiling histotripsy ablation of prostate are presented herein. In one embodiment, a method for a transrectal ultrasound treatment uses high intensity focused ultrasound (HIFU). The method includes: generating a boiling histotripsy (BH) therapy ultrasound by a therapy transducer in a frequency range of 1 MHz to 2.8 MHz and a surface intensity range of 10 W/cm2 to 80 W/cm2. The therapy transducer may be about 50 mm long and about 35 mm wide. The method also includes applying the therapy ultrasound by directing ultrasound pulses having ultrasound shock waves to a target tissue at a focal depth of 2.5 cm to 5.5 cm; generating at least one ?m-scale vapor bubble at a target region; growing the at least one vapor bubble to at least one mm-scale bubble; and mechanically disintegrating a surrounding tissue by interactions between mm-scale bubbles and the ultrasound shock waves within a pulse.

Abstract: Methods and kits for assessing and partially or uniquely identifying proteins, such as in complex mixtures of proteins and other molecules/structures, are described. In an embodiment, the methods include combinatorially barcoding target amino acid residues on the protein and, in certain embodiments, enzymatically cleaving the protein, such as before and after rounds of combinatorial barcoding. In an embodiment, the methods include (a) attaching a first nucleic acid molecule to target amino acid residues in the plurality of proteins in the sample to provide nascent nucleic acid tags at the target amino acid residues; (b) performing one or more rounds of split-pool barcoding to provide mature nucleic acid tags at the target amino acid residues (c) sequencing the mature nucleic acid tags; and (d) determining a frequency of the target amino acid residues in one or more protein of the plurality of proteins.

Abstract: A sensor, comprising including a composite substrate including a template material, where the template material includes a plurality of insulating fibers, and a plurality of carbon nanotubes bonded to the insulating fibers forming a nanotube coating on the insulating fibers, and where the composite substrate exhibits a tensional fracture induced by a unidirectional tensile force to the composite substrate, wherein the plurality of insulating fibers align along the tensile force and expand in an out-of-plane direction at the site of the fracture, a first electrode coupled to the nanotube coating on one side of the fracture, and a second electrode coupled to the nanotube coating on the opposite side of the fracture, such that an electrical signal applied between the first electrode and the second electrode passes through the plurality of junctions at the site of the fracture.

Abstract: Methods and systems for creating patterns in tissue growth for tissue engineering are disclosed. In one embodiment, a method for arranging biological cells along predetermined patterns using an ultrasound includes: emitting the ultrasound by an ultrasound transducer; transmitting the ultrasound through a holographic lens toward a plurality of cells; and generating a pressure field in the predetermined patterns. The predetermined pattern includes a plurality of mutually parallel transverse planes. The parallel transverse planes are configured to entrap groups of cells of the plurality of cells. The axial pressure gradients within the parallel transverse planes are smaller than a first predetermined threshold. The lateral pressure gradients within the parallel transverse planes are larger than a second predetermined threshold. In response to generating the pressure field, the groups of entrapped cells are aligned within parallel transverse planes.

Abstract: The present disclosure provides organic-inorganic hybrid polymer particles, which have desirable surface chemistry and optical properties that make them particularly suitable for biological and optical applications. The present disclosure also provides methods of making organic-inorganic hybrid polymer particles. The present disclosure also provides methods of using the organic-inorganic hybrid polymer particles for biological and optical applications.

Abstract: Materials, methods, and systems for biorthogonal ligation of hydrogel labels to crosslinked-natural polymer hydrogels are provided. A heterobifunctional linker includes a peptide-reactive activated functional group on the heterobifunctional linker, including an activated amine-reactive functional group, an activated thiol-reactive functional group and being reactive with a hydrogel comprising a crosslinked natural polymer. The heterobifunctional linker also includes a photocaged reactive group including a photocaged hydroxylamine, a photocaged alkoxyamine, a photocaged hydrazide, a photocaged amine, a photocaged tetrazine, or a photocaged alkyne-containing moiety. The peptide-reactive activated functional group does not include an azide.

Abstract: Methods to create barcoded influenza viruses without disrupting the function of the viral proteins and the proper packaging of the viral genome segments are described. The barcoded influenza viruses can be used within deep mutational scanning libraries to map influenza resistance mutations to therapeutic treatments. The libraries can also be used to predict influenza strains that may become resistant to therapeutic treatments and/or more easily evolve to infect new species. The libraries include features that allow efficient collection and assessment of informative data, obviating bottlenecks of previous approaches.

Abstract: Disclosed herein, inter alia, are compounds for inhibiting IRE1? and uses thereof.

Abstract: A system for the optical measurement of pH includes a light emitter to emit an excitation light, and a detector coupled to receive florescence light produced by a compound in a mouth of a patient in response to the excitation light. A controller is coupled to the detector, and the controller includes logic that when executed by the controller, causes the system to perform operations. The operations may include emitting the excitation light from the light emitter; measuring an intensity of the florescence light emitted from a surface of individual teeth in a plurality of teeth in the mouth; and determining, based on the intensity of the florescence light, one or more locations on the individual teeth likely to develop demineralization.

Abstract: Embodiments disclosed herein directed to multi-direction digital light sheet microscopy (mDSLM). In mDSLM a sample may be illuminated with an illumination sheet which has a first angular diversity along a first axis and a second angular diversity along a second axis which is orthogonal to the first axis. An mDSLM system includes beam shaping optics which may passively reshape light into the illumination sheet. In some embodiments, scanning optics may be used to scan the illumination sheet with respect to the sample. In some embodiments, a confocal aperture may be used to limit out of focus light which reaches a detector of the mDSLM system.

Abstract: Systems and methods for analyzing particles flowing in a channel are described. In an embodiment, the channel is configured to flow a particle through a lumen of the channel, the channel defining an interrogation window configured to allow light to pass into and out of the lumen; a light engine comprising: a first light source positioned to output first excitation light onto a first portion of the channel in the interrogation window; and a second light source positioned to output second excitation light onto a second portion of the channel in the interrogation window separate from the first portion. In an embodiment, the systems include an emission fiber bundle comprising a first emission optical fiber and a second emission optical fiber, wherein a proximal end of first emission optical fiber and second emission optical fiber are arranged in an emission fiber bundle head.

Abstract: The disclosure provides methods and related compositions and kits for mapping DNA-protein interactions (DPIs). In one aspect, the disclosed methods comprise contacting a double stranded DNA molecule with a target protein; coupling a double stranded DNA deaminase (DddA) to the target protein, before or after the contacting step; permitting deamination of one or more cytosine residues in a domain of the double stranded DNA molecule by the DddA to provide one or more uracil residues, wherein the domain comprises a site of interaction between the target protein and the double stranded DNA molecule; determining the sequence of at least a portion of the double stranded DNA molecule; and detecting the domain comprising one or more cytosine deamination events. The method can be controlled by use of DddA inhibitors. The method can also incorporate use of inhibiting a base-excision repair pathway when addressing DPIs in a cellular context.

Abstract: Nanoporous selective sol-gel ceramic membranes, selective-membrane structures, and related methods are described. Representative ceramic selective membranes include ion-conductive membranes (e.g., proton-conducting membranes) and gas selective membranes. Representative uses for the membranes include incorporation into fuel cells and redox flow batteries (RFB) as ion-conducting membranes.