The electrospinning method comprises the steps of providing a composition to be electrospun; providing an electrospinning device comprising an electrospinning head and a collector; applying an electric field between the electrospinning head and the collector; and feeding the composition to be electrospun through the electrospinning head, so that the electric field applied induces the formation of an electrospun fiber.

Embodiments of the invention include silica fiber compositions useful for treatment of animal wounds and tissue, as well as for other applications in industry. The fiber compositions may be formed via electrospinning of a sol gel produced with a silicon alkoxide reagent, such as tetraethyl ortho silicate, alcohol solvent, and an acid catalyst.

An electrospun nanofiber membrane and a method for preparing the electrospun nanofiber membrane are provided to solve problems of poor mechanical properties, short service life, poor uniformity and consistency of orientation of fibers and poor stability of fiber networks in current electrospun composite nanofiber materials. The electrospun nanofiber membrane is prepared by spinning solution through a high-voltage electrospinning device. The spinning solution is blending solution of regenerated silk fibroin: polyvinyl alcohol: polylactic acid with a mass ratio being 75-85:10-20:5 dissolved in a mixed solvent of trifluoroacetic acid and dichloromethane with a volume ratio being 7:3. The method establishes a reasonable mass ratio parameter of the regenerated silk fibroin, the polyvinyl alcohol and the polylactic acid to blending spinning to improve spinnability of silk fibroin, as well as prepare the electrospun composite nanofiber membrane with good mechanical properties.

A method for producing a sheet having nanofibers that contain a piezoelectric polymer material. The method including dissolving a piezoelectric polymer material into a solvent so as to prepare a spinning solution; preheating a target board before nanofibers are formed by electrospinning the spinning solution; and, after the heating of the target board, receiving the nanofibers formed by electrospinning onto the heated target board so as to form the nanofibers into a sheet on the heated target board.

A three-dimensional electrospun biomedical patch includes a first polymeric scaffold having a first structure of deposited electrospun fibers extending in a plurality of directions in three dimensions to facilitate cellular migration for a first period of time upon application of the biomedical patch to a tissue, wherein the first period of time is less than twelve months, and a second polymeric scaffold having a second structure of deposited electrospun fibers. The second structure of deposited electrospun fibers includes the plurality of deposited electrospun fibers configured to provide structural reinforcement for a second period of time upon application of the three-dimensional electrospun biomedical patch to the tissue wherein the second period of time is less than twelve months. The three-dimensional electrospun biomedical patch is sufficiently pliable and resistant to tearing to enable movement of the three-dimensional electrospun biomedical patch with the tissue.

A method of producing Stress Activated Pyrolytic Carbon-Carbon NanoTube (SAPC-CNT) fibers is disclosed. The fibers are a composite consisting of a tubular core of pristine graphite planes that include carbon nanotubes (CNTs) surrounded by semi-graphitic carbon material that includes Stress Activated Pyrolytic Carbon (SAPC), the SAPC being characterized by wavy graphite planes ranging from 0.1 nm to 1 nm and oriented parallel to the axis of each fiber, the semi-graphitic carbon material also being characterized by an inclusion of 4 to 10 atomic percent of nitrogen heteroatoms, the nitrogen heteroatoms including an above 60% of quaternary and pyridinic nitrogen groups.

A handheld portable electrostatic device for electrostatically applying a treatment solution to a treatment site of a patient, including a housing and a cartridge removably disposed in the housing. The cartridge includes a cartridge housing and a nozzle for applying the treatment solution. An electrostatic module is provided to electrostatically charge and ionize molecules of the treatment solution of the cartridge. The treatment solution is configured to flow toward the nozzle whereby at least one electrode electrically connected to the electrostatic module physically contacts the treatment solution as it flows therethrough and applies an electrical charge to the treatment solution.

The present invention provides a medical dressing article and a method of manufacturing the same, which comprises: (a) a first layer comprised of polycaprocaptone fibers having a PCL fiber diameter of 0.5 μm and 2.9 μm; (b) a second layer, deposited directly on the first layer, including a mixture of polycaprolactone and poloxamer fibers (PCL and POX fibers) wherein a PCL and POX fiber diameter is between 0.1 μm and 4 μm; and (c) a third layer, deposited directly on the second layer, further comprising a mixture of gelatin and silver nitrate (AgNO.sub.3).

An electrospun nanofiber membrane and a method for preparing the electrospun nanofiber membrane are provided to solve problems of poor mechanical properties, short service life, poor uniformity and consistency of orientation of fibers and poor stability of fiber networks in current electrospun composite nanofiber materials. The electrospun nanofiber membrane is prepared by spinning solution through a high-voltage electrospinning device. The spinning solution is blending solution of regenerated silk fibroin:polyvinyl alcohol:polylactic acid with a mass ratio being 75-85:10-20:5 dissolved in a mixed solvent of trifluoroacetic acid and dichloromethane with a volume ratio being 7:3. The method establishes a reasonable mass ratio parameter of the regenerated silk fibroin, the polyvinyl alcohol and the polylactic acid to blending spinning to improve spinnability of silk fibroin, as well as prepare the electrospun composite nanofiber membrane with good mechanical properties.

A stent or other prosthesis may be formed by coating a single continuous wire scaffold with a polymer coating. The polymer coating may consist of layers of electrospun polytetrafluoroethylene (PTFE). Electrospun PTFE of certain porosities may permit endothelial cell growth within the prosthesis.