Abstract: A pH-switchable carrier composition includes a plurality of bioactive glass particles, wherein each of the bioactive glass particle is optionally at least a partially coated with a surface modifier; wherein the bioactive glass particles, with or without, the surface modifier can bind to a nucleic acid compound upon contact at pH in the range of about 7 to about 11, and exhibit controlled release of the nucleic acid compound at pH in the range of about 5 to 6.

Abstract: A glass-ceramic may comprise a phase assemblage comprising lithium disilicate (Li2Si2O5) as the primary crystalline phase and a residual amorphous glass phase. The glass-ceramic may further comprise greater than or equal to 0 wt % to less than 8 wt % CaO. A ratio of Al2O3 (wt %) to Li2O (wt %) in the glass-ceramic may be greater than or equal to 0 and less than 0.50. The glass-ceramic may have a transmittance of greater than 88% for wavelengths of light within a range from greater than or equal to 400 nm to less than or equal to 750 nm.

Abstract: Apparatus includes a sample holder with a cavity and a plurality of devices configured to hold a curvature of a curved substrate in a fixed configuration. Apparatus includes two prisms with a viewing apparatus of the sample holder configured to translate therebetween. Methods can include disposing the curved substrate in the sample holder, transmitting a first beam, translating the sample holder, and transmitting a second beam. Alternatively, apparatus include a light scattering-polarimetry sub-system configured to emit a first beam to impinge an end surface of coupling prism and detect at least a portion of the first beam impinging the first surface of the coupling prism. The apparatus includes an evanescent prism coupling spectroscopy sub-system configured to emit a second beam to impinge a first surface of the coupling system and detect at least a portion of the second beam impinging the second surface of the coupling prism.

Abstract: Systems and methods for manufacturing and inspecting a honeycomb structure. A method for inspecting includes generating a three-dimensional volume file of the honeycomb structure from x-ray images. The three-dimensional volume file is reduced to two-dimensional data sets. One or more structural features of interest are tracked through the three-dimensional volume file by identifying a portion of the structural feature in a plurality of the two-dimensional data sets. A geometric contour of the structural feature of interest is derived from data corresponding to the structure feature of interest in the two-dimensional data sets. A planar representation of the structural feature of interest is created by extracting data from the three-dimensional volume file in accordance with the geometric contour. At least one structural condition of the honeycomb structure is determined based on the planar representation of the structural feature of interest.

Abstract: A method is disclosed for making a catalyzed particulate filter with high clean filtration efficiency which may include applying a catalyst material to a filter body having porous filter walls, wherein filtration material comprising filtration particles are disposed on or in or both on and in porous filter walls, and the filtration material is hydrophobic while the catalyst material is applied. A catalyzed particulate filter with high clean filtration efficiency is also disclosed wherein the filter includes porous filter walls with filtration particles disposed on or in or both on and in the porous filter walls, and catalyst material disposed on or in or both on and in the porous filter walls, and wherein the catalyst material substantially does not touch the filtration particles.

Abstract: The present disclosure relates to apparatuses, systems and methods for culturing cells. In particular, devices and methods are provided for generation and culture of 3d cell aggregates.

Abstract: Methods for extruding a ceramic-forming mixture through a honeycomb extrusion die, methods for forming a green honeycomb extrudate from a ceramic-forming mixture, methods of preparation of a honeycomb extrusion die that extrudes a ceramic-forming mixture, and systems including a honeycomb extrusion die, ceramic-forming mixture, and abrasive flow media. The method of extruding a ceramic-forming mixture through a honeycomb extrusion die includes conditioning the honeycomb extrusion die by extruding an abrasive flow media through the slots of the die prior to extruding the ceramic-forming mixture through the slots of the die. The abrasive flow media includes abrasive inorganic particles dispersed in a flowable carrier. The ceramic-forming mixture includes one or more types of inorganic ceramic-forming particles. The abrasive inorganic particles in the flowable carrier have a particle size distribution that corresponds to that of at least one type of the ceramic-forming particles in the ceramic-forming mixture.

Abstract: Various embodiments disclosed relate to a method and system for quantifying the flow speed of glass liquid from digital video data. The present disclosure includes capturing images from a video, cropping an area from each image, and concatenating the area from each image into a single image. Additionally, the disclosure includes preprocessing the single image, performing template matching on the preprocessed single image, determining boundary indexes, and cropping a region from the preprocessed single image based on the boundary indexes. The disclosure also includes calculating gradients in the cropped region, identifying a pixel with a maximum gradient, determining an average row index for columns with multiple pixels, performing iterative linear regression on row and column indexes to find a line crossing all the maximum gradient pixels with the least error, and quantifying a flow speed of glass liquid based on a final slope of the line.

Abstract: The disclosure relates to methods of fabricating of a graphite powder mold, including: applying a base layer to an exposed surface of a mold having one or more features; depositing a graphite powder onto the base layer to fill the one or more features; applying a cover layer onto an exposed surface of the graphite powder, wherein the cover layer and the base layer join at intersecting surfaces encasing the graphite powder to form the graphite powder mold having one or more raised features

Abstract: Embodiments of the disclosure relate to a rollable glass sheet configured to reversibly transition between a flat configuration and a bent configuration. The rollable glass sheet includes a first major surface and a second major surface opposite to the first major surface. The first major surface and the second major surface define a thickness of the glass sheet that is 0.4 mm or less. In the flat configuration, the first major surface includes a first surface compressive stress and a first depth of compression, and in the bent configuration, the first major surface includes a curvature. At a radius of curvature of 50 mm, the first major surface includes a second surface compressive stress less than the first compressive stress and a second depth of compression less than the first depth of compression and greater than 11 ?m.

Abstract: A method of manufacturing a hollow core optical fiber, the method including positioning at least one glass tube in a glass outer cladding to form a preform precursor, the glass tube comprising a first open end and a second open end, and forming a preform from the preform precursor. The method further including drawing the preform into a hollow core optical fiber and, while drawing the preform, thermally treating the preform to manipulate gas pressure within the glass tube by at least one of (i) heating at least a portion of the preform to increase gas pressure within the glass tube and (ii) cooling at least a portion of the preform to decrease gas pressure within the glass tube.

Abstract: A textured article is described herein comprising a substrate comprising a textured region defined on a primary surface of the substrate, in which the textured region comprises (a) a Vmp/Sq of at least 0.084, (b) a Vmp/Sq of at least 0.084 and an Smrk2 of at least 90%, and/or (c) a Vmp of at least 10 nm and an Sdq of 0-0.1. The textured article generally has good abrasion resistance and optical properties including antiglare, haze, sparkle, and distinctness of image. A method for making a textured article is also described herein comprising removing a first portion of a primary surface of a substrate through holes penetrating through a stop layer to the primary surface to form seed depressions and unremoved portions, removing the stop layer, and then removing a second portion of the primary surface comprising the seed depressions and the unremoved portions.

Abstract: Unitary measuring pipettes include a tubular body of biaxially oriented thermoplastic material, together with size reduction, elimination, and/or reorientation of longitudinally spaced, raised circumferential witness features, to mitigate or avoid interference between such witness features and graduated volumetric markings on an outside surface of the tubular body. Methods and apparatus for vacuum forming of unitary measuring pipettes are also provided. Gas permeable apertures or pores having a maximum width of no greater than 150 microns, in ranges of 10-100 microns, 10-50 microns, or subranges thereof, may be defined in face plates or inserts received by mold blanks, or defined in molding surface of cooperating mold bodies, and may be used to produce a tubular pipette body having reduced height witness features. Cooperating mold bodies may each be produced from multiple mold body sections with gas passages defined therein and/or therebetween.

Abstract: ZrO2-toughened glass-ceramic has high molar fractions of tetragonal ZrO2 and may also include also contain other secondary phases, including lithium silicates, that may be beneficial for toughening or for strengthening through an ion-exchange. Additional secondary phases may also decrease the coefficient of thermal expansion of the glass-ceramic. A method of making such glass-ceramic is also provided.

Abstract: Disclosed is a window for a sensing system comprising an asymmetric laminate structure. The asymmetric laminate structure comprises a first glass ply, a second glass ply, and an interlayer coupling the first glass ply to the second glass ply. The first glass ply is at least two times thicker than the second glass ply and is strengthened to a lesser extent than the second glass ply such that the first glass ply comprises a central tension in a central region thereof that is less than that of the second glass ply. The interlayer comprises an average optical transmission of greater than or equal to 98% throughout a 50 nm wavelength range of interest contained in the wavelength range of 800 nm to 1800 nm.

Abstract: A process of forming a titania-silica glass body, the process including exposing a titania-doped silica soot body to a constant steam pressure step during which the partial steam pressure is at a first partial pressure of steam P1 that is from about 0 Torr to about 760 Torr and exposing the soot body to a ramp-up steam pressure step during which the partial steam pressure increases from the first partial pressure of steam P1 to a second partial pressure of steam P2, the second partial pressure of steam P2 being from about 50 Torr to about 760 Torr. The second partial pressure of steam P2 being greater than the first partial pressure of steam P1. The process further including heating the soot body during the constant steam pressure step and during the ramp-up steam pressure step and increasing the temperature during at least one of the constant steam pressure step and the ramp-up steam pressure step.

Abstract: A thermally tempered aluminosilicate glass-ceramic composition includes a crystalline phase and a residual glass phase, wherein the two phases form a system wherein the thermal expansion curve of the system has two distinct sections diverging from an inflection point temperature in the range of about 450° C. to about 600° C., and wherein the difference between coefficient of thermal expansion of the glass-ceramic below and above the inflection point is greater than about 4 ppm/° C.

Abstract: Disclosed herein are polymer compositions including, based on the total weight of the polymer composition, greater than or equal to 0.5 wt. % and less than or equal to 20 wt. % alkyl silicone and a thermoplastic polymer. The alkyl silicone has a molecular weight greater than or equal to 1,000 g/mol and less than or equal to 10,000 g/mol. The alkyl silicone has a dimethyl silicone content greater than or equal to 40 wt. % and less than or equal to 70 wt. %, based on a total weight of the alkyl silicone.

Abstract: A clamp assembly for clamping flexible tubing includes a base member including a pair of sidewalls and a bottom that extends between the sidewalls. At least one of the sidewalls includes a clamp latching feature that extends inward from an inner surface of the at least one of the sidewalls. A locking lever is located between the sidewalls and is pivotally connected to the sidewalls at a pivot location such that the locking lever pivots relative to the base member. The locking lever includes a lever catch feature configured to cooperatively mate with the clamp latching feature.

Abstract: Glass manufacturing apparatus comprise a forming body configured to draw a glass forming ribbon and positioned within an enclosure. Glass manufacturing apparatus comprise a first diffuser comprising a first inlet comprising a first inlet cross-sectional area and a first outlet comprising a first outlet cross-sectional area. The first outlet cross-sectional area is greater than the first inlet cross-sectional area. The first outlet is positioned within the enclosure. Methods of manufacturing a glass ribbon comprise flowing a glass-forming ribbon. Methods comprise flowing a first gas through the first inlet of a first diffuser at a first average inlet velocity. Methods comprise flowing the first gas from the first diffuser through a first outlet of the first diffuser at a first average outlet velocity. The first average inlet velocity is greater than the first average outer velocity.