Methods for functionalizing the surface of nanofiber substrates, including electrospun fibres and non-woven or woven mats of fibres are described. Functionalised nanofiber substrates presenting biologically active moieties such as biotin and saccharides are described.

A nozzle for an electrospinning spinneret, the nozzle including a material transporting channel having a wall that has an end surface for forming a droplet, and an electrode extending through the material transporting channel at least up to the end surface of the wall.

A cartridge for an electrostatic spraying device according to the present invention is a cartridge for an electrostatic spraying device, the cartridge comprises a storage bag having a storage section in which a liquid composition is stored, the storage section is surrounded by a joint portion formed by joining a pair of laminates, each of the laminates comprises an innermost layer on the joint portion side, an outermost layer on a side opposite to the innermost layer, and a barrier layer between the innermost layer and the outermost layer, and the liquid composition comprises 50 mass % or more of a volatile liquid agent selected from alcohols and ketones.

An electrospinning device is for manufacturing material that includes aligned nano-fibers. The device includes a rotor and more than one electrically conducting protrusions disposed on the surface of the rotor and spaced apart from one another. The protrusions are configured such that an electrostatic field created when a potential difference is applied between the rotor and a target is concentrated at the tips of the protrusions and decreases between neighboring protrusions.

An applicator is disclosed for applying a treatment solution to a treatment site of a patient. The applicator can include an applicator housing comprising a treatment solution reservoir. A cartridge can be removably disposed in the housing. The cartridge when arranged in the housing can be in fluid communication with the treatment solution reservoir. The cartridge can include an electrostatic module for electrostatically charging the treatment solution in the treatment solution reservoir; and a nozzle for applying the treatment solution.

Lithium ion batteries, electrodes, nanofibers, and methods for producing same are disclosed herein. Provided herein are batteries having (a) increased energy density; (b) decreased pulverization (structural disruption due to volume expansion during lithiation/de-lithiation processes); and/or (c) increased lifetime. In some embodiments described herein, using high throughput, water-based electrospinning process produces nanofibers of high energy capacity materials (e.g., ceramic) with nanostructures such as discrete crystal domains, mesopores, hollow cores, and the like; and such nanofibers providing reduced pulverization and increased charging rates when they are used in anodic or cathodic materials.

A drug-loaded nanofiber membrane includes a first fiber, a second fiber, and a drug. The drug is dispersed into the first fiber. The first fiber includes poly(lactic-co-glycolic acid) copolymer (PLGA copolymer), and the second fiber includes poly(p-dioxanone) (PDO).

There is provided a method and system for forming a composite material. The method includes: combining a first component element with a second component element to form a composite mixture; subjecting the composite mixture to a first force to in order to form ligaments and disperse the first component element and second component element in relation to each other, wherein the first force is a mechanical force, subjecting the ligaments to at least one second force in order to form attenuated ligaments and further disperse the first component element and second component element in relation to each other, wherein the at least one second force imparts both shear flow deformation and extensional flow deformation to the ligaments to form the attenuated ligaments; and collecting the attenuated ligaments. There is also provided a composite material prepared using the method described above.

A portable, hand-held electrospinning or electrospraying device and system, method, and portions thereof are described. Such device can be for electrospinning or electrospraying a predetermined solution toward a deposit surface. The device can have a durable portion, a semi-durable portion, and a consumable portion. The consumable portion can be received and held by the semi-durable portion, and the semi-durable portion holding the consumable portion can be removably coupled to the durable portion.

Device for the production of nanofibrous and/or microfibrous layers having an increased thickness uniformity by spinning a liquid material (3), said device comprising: a collecting electrode (6), a spinning nozzle (1) for dispensing the liquid material (3) to be spun, an assembly for guiding the collecting electrode (6) and/or for guiding a base strip (5) along the collecting electrode (6) or adjacent to it, such that—in the area faced by the outlet orifice (10) of the spinning nozzle (1)—the collecting electrode (6) and/or the base strip (5) move(s) in the direction (MD) spaced from the outlet orifice (10) of the spinning nozzle (1), a power supply for generating a voltage of 10 to 150 kV between the collecting electrode (6) and the spinning nozzle (1), at least one body (2), which moves along the liquid surface to destabilize the locations of the points where fibres (4) are formed on the surface of the liquid material (3) at the outlet orifice (10) of the spinning nozzle (1). The nanofibrous and/or microfibrous layers having an increased thickness uniformity are produced by spinning a liquid material (3) in an electrostatic field, wherein a body (2) is moved along the surface of the spun liquid in order to destabilize positions of locations, where the fibers originate.