Abstract: Provided are conducting polymer nanofibers, methods of making conducting polymer nanofibers, and uses thereof. The conducting polymer nanofibers can be formed by, for example, electrospinning, force spinning, and centrifugal spinning using a spinning dope. The conducting polymer nanofibers can be used in devices, such as a radiation detecting device.

Abstract: The present invention relates to a regenerated cellulose fiber having a multi-limbed cross-section. The fiber according to the invention is characterized in that the cross-section is formed of at least two multi-limbed basic shapes (1?, 2?, 3?, 4?), which basic shapes are connected, in each case at least at one of their limb ends, to the limb end of another basic shape and the length of the connecting limb (12) resulting from the connection of the two limb ends is longer than the length of the shortest one of the other limbs by a factor of at least 1.5, preferably of from 1.5 to 2.0.

Abstract: The invention relates to a regenerated cellulose fiber (1?) the cross-section of which comprises an oblong, essentially flat section (3). The fiber according to the invention is characterized in that at least one limb (4, 5, 6, 7) branches off from the oblong section, wherein the length of said limb is at most 40% of the length of the oblong section (3).

Abstract: The disclosure relates generally to a gas separation membrane and a gas separation method in which at least one type of gas is separated and recovered from a gas mixture, using the gas separation membrane. The gas separation membrane is asymmetric and hollow and made of a polyimide material. The method of the invention provides a practical, high-performance technique for gas separation.

Abstract: Disclosed herein is a cellulosic textile filament made from microfibrillar cellulose fibers and a thickening agent as well as the precursor dope for forming such filaments, nonwoven webs made from such cellulosic textile filaments and the process for forming such filaments and nonwoven webs including such filaments. One of the advantages of these filaments is the eco-sensitive way in which they are made as they utilize a water-based dope that does not require any chemical solvents unlike other processes such as those used to make Lyocell fibers. In addition, the process does not involve any washing or extraction steps and it employs a cellulosic fiber source that is broadly based and renewable.

Abstract: A nanofiber liquid filtration medium featuring an electrospun polymeric nanofiber layer produced on a smooth non-woven substrate.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Described herein are fiber producing devices that are capable of producing coaxial fibers.

Abstract: A medical device including a plasma-treated porous substrate that is functionalized to provide a hydrophilic surface, and a process for preparing such a medical device, are disclosed. The method includes plasma treating at least a portion of a surface of a porous substrate with a gas species selected from oxygen, nitrogen, argon, and combination thereof. The gas species is configured to functionalize the surface of the medical device and form a hydrophilic surface.

Abstract: Disclosed is a composition comprising alprazolam for treating primary insomnia and insomnia associated with anxiety states and the corresponding use and method comprising the administration of alprazolam sublingual tablets having a disintegration time lower than 30 seconds and having the alprazolam preferably in non-crystalline or partially crystalline form according to the X-ray diffraction crystallography expanded for the position delta 9-12.5 (2 theta), to a patient suffering from said disorder. There is also disclosed a method for preparing a composition according to the invention, where the alprazolam is solved in a pharmaceutical acceptable solvent and a binder, preferably polyvinylpyrrolidone, is incorporated to the solution.

Abstract: The present invention relates to a biodegradable, inhalable microparticle formulation comprising a compound of formula I obtained by fermentation of a microorganism of the Streptomyces species (PM0626271/MTCC5447), as described in PCT application publication WO2011027290, and a biodegradable lipid for drug delivery wherein the ratio of drug (compound of formula I) to lipid is 1:15 to 1:25. The present invention also relates to the process for preparation of the formulation and to the method of treatment of pulmonary tuberculosis, multi drug resistant tuberculosis (MDRTB), methicillin resistant Staphylococcus aureus (MRSA) pneumonias and methicillin sensitive Staphylococcus aureus (MSSA) pneumonias by administering therapeutically effective amount of the formulation to a mammal in need thereof.

Abstract: The object of the present invention is to provide carbon fiber material having high electrical conductivity at a low cost. A manufacturing method of carbon fiber material comprises a dispersion liquid preparation step, a centrifugal spinning step and a denaturation step. The dispersion liquid preparation step is a step in which dispersion liquid containing resin and carbon particles is prepared. The centrifugal spinning step is a step in which nonwoven fabric made of a carbon fiber precursor is formed from the dispersion liquid. The denaturation step is a step in which the carbon fiber precursor denatures into carbon fiber.

Abstract: A flame spray pyrolysis method for making nanoscale, lithium ion-conductive ceramic powders comprises providing a precursor solution comprising chemical precursors dissolved in an organic solvent, and spraying the precursor solution into an oxidizing flame to form a nanoscale, lithium ion-conductive ceramic powder, wherein a concentration of the chemical precursors in the solvent ranges from 1 to 20 M. The precursor solution can comprise 1-20% excess lithium with respect to a stoichiometric composition of the ceramic powder. Nominal compositions of the nanoscale, ceramic powders are Li1.4Al0.4M1.6(PO4)3 where M is Ti or Ge.

Abstract: A method of manufacturing a master batch for the molding of colored parts, including the steps of: preparing a mixture comprising an inorganic powder, advantageously ceramic, and a dye; submitting the mixture to a spray-drying step to obtain an atomized powder; submitting said atomized powder to a presintering step; mixing the presintered powder with an organic binder, advantageously polymeric, to obtain the master batch.

Abstract: The invention relates to a method for producing particles with a length-width ratio of less than about 1.4 from a pharmaceutical substance, which method includes the following stages, that is: (a) provision of a melt of the pharmaceutical substance; (b) production of droplets of the melt by spraying into a processing chamber; (c) repeated guiding of solid particles past sprayed droplets in the processing chamber with the aid of a process gas jet which is guided in a defined way and whose temperature is fixed, depending on the solidification point of the melt, so that at least some of the droplets come into contact with particles and solidify thereon; (d) removal of particles from the processing chamber as a function of the particle size. The invention further relates to particles of pharmaceutical substances and the use thereof.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. Embodiments described herein relate to apparatuses and methods for the deposition of fibers onto substrates.

Abstract: Described herein are apparatuses and methods of creating fibers, such as microfibers and nanofibers. The methods discussed herein employ centrifugal forces to transform material into fibers. Apparatuses that may be used to create fibers are also described. The apparatuses and methods described herein may be used to simultaneously create microfibers and nanofibers.

Abstract: The invention relates to a device (1) for producing polymer agglomerates, comprising a compounder (2) having a housing (21) and a twin screw (22) arranged therein as well as a plurality of material inlets (3, 4) for admission of a polymer and additives, tempering units for heating the mix comprising polymer and additives, at least one degassing unit (5) and an outlet (23) and an agglomerating vessel (11) having an agglomerating tool (8) and a cooling tool (10). The agglomerating vessel (11) is connected via a connection channel (6) to the outlet (23) of the compounder (2), wherein the twin screw (22) of the compounder (2) is designed as a co-rotating twin Screw (22) and the agglomerating tool (8) of the agglomerating vessel (11) is arranged in the fall direction of the mix below the connection channel (6) and comprises mutually engaging rotors (81) and stators (82) for producing agglomerates of defined particle size. The invention further relates to a method for producing polymer agglomerates.

Abstract: A process of making micro-sized protein particles comprising the step of drying nano-sized protein particles suspended in a liquid medium under conditions to agglomerate the nano-sized protein particles and thereby form micro-sized protein particles.

Abstract: Macroporous 3-D tissue engineering scaffold comprising elastomeric cross-linked polymer units and interconnected macropores containing living cells are produced by step of: in a mixture of the cells and elastomeric polymer units comprising activatable crosslinking groups, activating the crosslinking groups to form the scaffold.

Abstract: A nanocomposite structure and method of fabricating same are provided. The nanocomposite structure is a polymer in an extruded shape with carbon nanotubes (CNTs) longitudinally disposed and dispersed in the extruded shape along a dimension thereof. The polymer is characteristically defined as having a viscosity of at least approximately 100,000 poise at a temperature of 200° C.

Abstract: Porous soy protein-based materials are provided. Also provided are tissue growth scaffolds comprising the porous soy protein-based materials. Methods for forming the porous soy protein-based materials and methods for growing tissue on the tissue growth scaffolds are also provided. The porous soy protein-based materials comprise a plurality of soy protein chains that are crosslinked in a three-dimensional structure that provides a high degree of porosity. In order to achieve highly porous structures, the soy proteins, which are globular in nature, can be partially denatured in order to facilitate crosslinking between, and entanglement of, the soy protein chains.

Abstract: The present invention relates to a drawn poly(ethyleneterephthalate) (PET) fiber exhibiting excellent dimensional stability and uniform properties while having high fineness of 2000 denier or more, a tire cord, and their preparation method. The drawn PET fiber includes PET 90 mol % or more, and has a crystallinity of 40 to 50%, an amorphous orientation factor (AOF) of 0.01 to 0.2, a monofilament fineness of 2.5 to 4.0 denier, a coefficient of variation (CV) of cross sectional area of 8.0% or less, and a total fineness of 2000 to 4000 denier.

Abstract: The present application relates to a spherical, porous structure which is formed using a mould taking the form of a spherical nanoparticle aggregate, and relates to a production method therefor. According to one aspect of the present application, the production method for the spherical, porous structure comprises: the use of a mould taking the form of a spherical nanoparticle-carbon precursor aggregate comprising a carbon precursor on the surfaces of a plurality of nanoparticles, formed by removing solvent from droplets comprising the carbon precursor and the plurality of nanoparticles.

Abstract: Disclosed are a fiberweb, a preparation method thereof, and a filter including the fiberweb. The fiberweb includes a wholly aromatic liquid crystal polyester resin which includes a repeating unit induced from a hydroxybenzoic acid and a repeating unit induced from a hydroxynaphthoic acid, but does not include a repeating unit induced from an aromatic dicarboxylic acid.

Abstract: The present invention provides a nanostructured composite material of ?-alumina-doped zirconia stabilised with cerium oxide and zirconia-doped ?-alumina, the process for obtaining it and the applications thereof, such as knee prostheses, hip prostheses, dental implants, mechanical components for pumps, alkaline batteries, ceramic components for stereotactic neurology, cutting tools, etc.

Abstract: A method for producing an aggregated thread structure includes (a) a process of dispersing carbon nanotube to a first solvent, which is water or a mixed solvent containing organic solvent and water, with a surfactant, to create a dispersion and (b) a process of injecting the dispersion, in which carbon nanotube is dispersed, to a condensing liquid, which is a second solvent that differs from the first solvent, to thereby aggregate and spin carbon nanotube. The aggregated thread structure containing carbon nanotube has: a bulk density of 0.5 g/cm3 or more; a weight reduction rate up to 450° C. of 50% or less; a G/D ratio for resonance Raman scattering measurement of 10 or more; and an electric conductivity of 50 S/cm or more.

Abstract: The present invention concerns a biodegradable cigarette filter tow comprising composite filaments of cellulose and cellulose acetate, wherein the composite filaments are entangled or wherein the two further comprises one or more further thermoplastic materials or wherein the weight ration of cellulose to cellulose acetate in the tow is from 10:90 to 90:10, and a process for making such a filter tow comprising providing a solution dope comprising a blend of cellulose and cellulose acetate in an ionic liquid or in N-methylmorphilone-N-oxide (NMMO), and spinning casting the blend into a protic solvent to generate fibres or films, and converting the fibres or films into cigarette filter tow. The invention also concerns cigarette filters and cigarettes made from such a filter tow.

Abstract: A polyaryletherketone polymeric material, for example polyetheretherketone and composite materials comprising said polymeric material are described. The polymeric material has a melt viscosity (MV) in the range 0.05 to 0.12 kNsm?2, preferably in the range 0.085 to 0.095 kNsm?2.

Abstract: The present invention relates to formulations and methods for increasing the bioavailability of 1-(4-benzhydrylpiperazin-1-yl)-3,3-diphenylpropan-1-one, 1-(3,3-diphenylpropanoyl)piperazine, or a salt thereof. In particular, the formulation can include one or more pharmaceutically acceptable matrix polymers to form a solid dispersion, e.g., a spray dried dispersion or a hot melt extrusion.

Abstract: The present invention discloses an antimicrobial fibre, fabric and wound dressing that incorporate nano metal and the preparation method thereof. Nano metal particles are homogenously distributed within the fibre structure or surface, and, the fibre does not contain protective colloid for the prevention of agglomeration of nano metal particles. The nano metal particles are in an amount of 1.1% to 20% by weight. The fibrous wound dressing has the ability to continuously release sufficient amount of silver ions and is especially suitable for the management of chronic wounds. It can effectively prevent various bacteria and microbial infections.

Abstract: Described herein are filtration membranes and related, compositions, methods and systems and in particular filtration membranes with embedded polymeric micro/nanoparticles and related compositions, methods, and systems.

Abstract: Espun material may function as a filtration medium or be put to other uses. The espun material may comprise espun poly(tetrafluoroethylene) (espun PTFE). One or more layers of the espun material may be included. The properties of the espun material can be tailored. For example, a gradient fabric may include espun PTFE. The gradient fabric may include two or more layers of espun PTFE.

Abstract: An implantable medical device including at least one double-walled microsphere containing an active agent, and a biodegradable polymer layer containing the at least one double-walled microsphere.

Abstract: Electrospun materials are fabricated using air-flow impedance technology, which results in the production of scaffolds in which some regions are dense with low porosity and others regions are less dense and more porous. The dense regions provide structural support for the scaffold while the porous regions permit entry of cells and other materials into the scaffold, e.g. when used for tissue engineering.

Abstract: Nanofibers are manufactured while preventing explosions from occurring due to solvent evaporation. An effusing unit (201) which effuses solution (300) into a space, a first charging unit (202) which electrically charges the solution (300) by applying an electric charge to the solution (300), a guiding unit (206) which forms an air channel for guiding the manufactured nanofibers (301), a gas flow generating unit (203) which generates, inside the guiding unit (206), gas flow for transporting the nanofibers, a diffusing unit (240) which diffusing the nanofibers (301) guided by the guiding unit (206), a collecting apparatus which electrically attracts and collects the nanofibers (301), and a drawing unit (102) which draws the gas flow together with the evaporated component evaporated from the solution (300) are included.

Abstract: The present disclosure relates to an apparatus and a method for fabricating an antimicrobial hybrid material of a natural antimicrobial particle and a carbon nanomaterial, capable of fully utilizing the antimicrobial property of a natural antimicrobial material and a carbon nanomaterial by maximizing adsorption of the natural antimicrobial material on the carbon nanomaterial.

Abstract: The present invention provides a process for producing cellulose shaped articles in which a) cellulose is at least partly dissolved at a temperature of about 100° C. or lower in a dope comprising an ionic liquid and a cosolvent to form a cellulose solution, wherein said cosolvent comprises a polar aprotic component, and b) cellulose shaped articles are cast from the cellulose solution.

Abstract: The present invention relates to a process for producing water-absorbing polymer fibers, especially micro-or nanofibers, by electrospinning process and to fibers obtainable by this process.

Abstract: A hollow fiber type reverse osmosis membrane including cellulose acetate, characterized in that the filtration rate and the salt rejection rate when an aqueous solution having sodium chloride concentration of 1,500 mg/L is filtered from outer side to inner side of the hollow fiber type reverse osmosis membrane at 25° C. and 1.5 MPa pressure are 180 to 350 L/m2/day and 90.0 to 99.0%, respectively and the outer diameter, the inner diameter and the hollow rate of the hollow fiber type reverse osmosis membrane are 100 to 280 ?m, 50 to 200 ?m and 24 to 42%, respectively. The hollow fiber type reverse osmosis membrane preferably has a dense layer near the outer surface, and thickness of the dense layer is 0.1 to 7 ?m.

Abstract: The present invention relates to a biodegradable, inhalable microparticle formulation comprising a compound of formula I obtained by fermentation of a microorganism of the Streptomyces species (PM0626271/MTCC5447), as described in PCT application publication WO2011027290, and a biodegradable lipid for drug delivery wherein the ratio of drug (compound of formula I) to lipid is 1:15 to 1:25. The present invention also relates to the process for preparation of the formulation and to the method of treatment of pulmonary tuberculosis, multi drug resistant tuberculosis (MDRTB), methicillin resistant Staphylococcus aureus (MRSA) pneumonias and methicillin sensitive Staphylococcus aureus (MSSA) pneumonias by administering therapeutically effective amount of the formulation to a mammal in need thereof.

Abstract: A spherical ? type crystal silicon carbide powder having an average particle diameter is of 5 ?m-60 ?m, specific pore volume of the inside pores in it having a diameter of 1 ?m or smaller is 0.02 cc/g or smaller, specific surface area of it is 1 m2/g or smaller, and average aspect ratio (short diameter/long diameter) of it is 0.65 or higher is proposed; a method for manufacturing the same including the steps of (1) spray-drying a slurry of a raw material silicon carbide powder which has an average particle diameter of 1 ?m or smaller and has an ? type crystal, to obtain porous and spherical particles, and (2) sintering the thus obtained porous and spherical particles, is also proposed.

Abstract: Sulfur (or sulphur) spray nozzles disposed with a tank spray liquid molten sulfur into the cooling liquid in the tank. Solid sulfur seeds are formed in the cooling liquid and settle in the tank. The tank may be a spiral dewaterer tank that has a screw conveyor at the bottom of the tank that moves the seeds to a granulating drum for enlargement into sulfur granules. The tank may also be used to capture and remove sulfur dust from a slurry of sulfur dust and water recycled from the granulating drum. The sulfur dust in the cooling tank may be captured by contact with molten sulfur droplets streaming down the cooling liquid column such that the dust particles become incorporated into the droplet, thereby being converted to seed. The granulating drum may be equipped with two or more sets of segmented lifting flights. The sets of flights may not be in alignment. The flights may be spaced apart from the inside surface of the drum with segmented rib members.

Abstract: A nanofiber production device produces nanofibers by stretching, in a space, a solution. The nanofiber production device includes: an effusing body which effuses the solution into the space by centrifugal force; a driving source which rotates the effusing body; a supplying electrode which is placed at a predetermined distance from the effusing body and supplies charge to the solution via the effusing body; a charging electrode to which a potential of reverse polarity to a polarity of the effusing body is applied, with the charging electrode being placed at a predetermined distance from the effusing body; and a charging power source which applies a predetermined voltage between the supplying electrode and the charging electrode.

Abstract: A method of forming granules, the method including forming a suspension of a nanopowder such as a nano zirconia powder containing yttria. The powder is formed from a suspension, and freon is added directly to the suspension as an additive. The suspension is then granulated by spray freeze drying, and the freon subsequently removed by heat treatment. The voids left by the vacated freon provide meso, micro and macro flaws or structural defects in the granules.

Abstract: An air filter replacement system for existing buildings, vehicles, arenas, and other enclosed airspaces includes a replacement air filter for replacing a standard air filter. The replacement air filter has dimensions and air flow specifications that allow it to replace the standard air filter. The replacement air filter includes a filter material that removes radiological or biological or aerosol particles.

Abstract: A nanofiber manufacturing system in which nanofiber is formed from a raw material liquid by electrostatic explosions in a nanofiber forming space and the formed nanofiber is collected and deposited on a main surface of a base sheet. The system includes: a first dielectric belt having dielectric property; sheet conveying devices for conveying the base sheet in the nanofiber forming space; a sheet contacting device for putting a back surface of the base sheet and a first surface of the first dielectric belt into contact with each other; a dielectric belt driving device for running the first dielectric belt in a conveyance direction of the base sheet within the nanofiber forming space while the first surface is kept in contact with the back surface of the base sheet; and a voltage applying device for applying a voltage to the second surface of the first dielectric belt so that dielectric polarization occurs to the first dielectric belt.

Abstract: Pharmaceutical composition in a dry powder form comprising at least one hydrophobic active principle, at least one water-soluble excipient and at least one surfactant, wherein the particles in said dry powder state have a Volume Mean Diameter VMDd greater than the Volume Mean Diameter VMDw of particles in a suspension obtained from said pharmaceutical composition at standard conditions of dispersion in a water-medium. It is also disclosed a process to prepare such dry composition and an extemporaneous suspension for inhalation therapy obtainable from said dry composition.

Abstract: A method of making a nonwoven web comprising nanofibers that are made by a melt film fibrillation process is disclosed. The nanofibers have a diameter of less than 1 micron, and comprise a significant number of the fibers in one layer of the web. The process generally includes the steps of providing a polymeric melt, utilizing a central fluid stream to form an elongated hollow polymeric film tube, and using this and/or other fluid streams to form multiple nanofibers from the hollow tube.

Abstract: Multicomponent nanoparticles materials and apparatuses and processes therefor are disclosed. In one aspect of the disclosure, separate particles generated from solution or suspension or by flame synthesis or flame spray pyrolysis, and the resultant particles are mixed in chamber prior to collection or deposition. In another aspect of the disclosure, nanoparticles are synthesized in stagnation or Bunsen flames and allowed to deposit by thermophoresis on a moving substrate. These techniques are scalable allowing mass production of multicomponent nanoparticles materials and films. The foregoing techniques can be used to prepare composites and component devices comprising one or more lithium based particles intimately mixed with carbon particles.

Abstract: This invention provides methods of spray drying pharmaceutical powders from a vibrating nozzle at low pressures. The method can effectively spray dry thick or viscous solutions or suspensions to provide small uniform particles. The invention includes dry particle compositions prepared by methods of low pressure spraying from vibrating nozzles.