Abstract: The present invention relates to a method for preparing polymer film, comprising the following steps: i) forming at least one polymer as a first membrane by electrospinning; ii) forming a first mixture by dispersing at least one mid-infrared radiation reflective material into a first liquid; iii) filtering said first mixture, wherein said first membrane is used as a filter membrane, thereby depositing said at least one mid-infrared radiation reflective material on said first membrane to form a second membrane, and iv) drying said second membrane to form a third membrane; characterized in that, said at least one polymer is selected from polyvinylidene fluoride and/or polyurethane.

Abstract: A tactile sensor comprising flexible electrodes and triboelectric layers is provided. The first triboelectric layer is disposed on the first flexible electrode. The second triboelectric layer is disposed on the second flexible electrode. The first and second triboelectric layers cover a same area. The first and second triboelectric layers are located between the first and second flexible electrodes. The second triboelectric layer keeps a distance from the first triboelectric layer when no external force is applied. The first triboelectric layer comprises MXene and polyvinylidene fluoride (PVDF). The first triboelectric layer and the second triboelectric layer have different triboelectric properties and form a triboelectric nanogenerator. A touch device comprising the tactile sensor and a manufacturing method of the tactile sensor are also provided.

Abstract: Provided is a method for designing a patient-specific surgical device for performing knee surgery, which includes determining a first alignment axis and/or a second alignment axis from a knee joint in extension and/or flexion respectively and subsequently designing said surgical device based on the first and/or second alignment axes. Also provided is a method of manufacturing a patient-specific surgical device designed by the aforementioned method. A patient-specific surgical device designed and/or manufactured by the above methods and a method of performing knee surgery with said patient-specific surgical device is further provided.

Abstract: A nanofiber-based directional moisture wicking electronic fabric and preparation methods thereof are provided. The electronic fabric includes hydrophobic fibrous layer, hydrophilic fibrous layer, and conductive functional coating layer. In the preparation method of the nanofiber-based electronic fabric, the hydrophobic nanofibers, the conductive coating layer, and the hydrophilic nanofibers are successively constructed by the combination of electrospinning and electrostatic spraying technology. Through the construction of hydrophilic and hydrophobic differences, the all-fibrous electronic fabric of the invention is enabled to transport sweat from the skin surface to hydrophilic nanofibers to maintain good comfort and has the merit of good electricity at the same time. The all-fibrous electronic fabric is easy to be fabricated and has a wide application prospect in the fields of waterproof and moisture permeable clothing and intelligent wearable electronics.

Abstract: The present invention discloses a method for preparing a polyurethane film, comprising the steps of: i) dissolving polyurethane into a first solvent to form a first solution; ii) dissolving salt into a second solvent to form a second solution; iii) preparing a spinning stock solution by mixing said first solution and said second solution; iv) spinning said spinning stock solution in an electrospinning device to obtain a polyurethane film; v) providing a container to which a third solvent is sprayed; and vi) arranging said polyurethane film in said container for a period of time.

Abstract: The present invention relates to a method for preparing a polymer film, comprising the following steps: preparing a polymer film with a polymer solution prepared from PVDF and/or TPU; preparing a mixed solvent selected from a group consisting of dimethylformamide, dimethylacetamide, ethanol, water, or any combination thereof, wherein said mixed solvent is characterized by the solubility of said mixed solvent to the polymer selected for said polymer solution and/or the contact angle of said mixed solvent on said polymer film; wetting said polymer film with said mixed solvent; and subjecting the wet polymer film to thermal treatment under pressure.

Abstract: A water-soluble unidirectional moisture transport traditional Chinese medicine facial mask and a preparation method thereof. The facial mask includes a facial mask substrate and a facial mask effective ingredient layer, wherein a lateral surface of the facial mask substrate is a hydrophobic surface, and the other lateral surface is a superhydrophilic surface; the facial mask effective ingredient layer is loaded to the superhydrophilic surface, in which facial mask effective ingredients include a traditional Chinese medicine colloid. In use, by simply spraying water, the effective ingredients such as the traditional Chinese medicine on the surface can be quickly dissolved to exert effects. Its hydrophobic layer can be kept dry, which not only delays volatilization of liquid and prolongs the effective time, but also is easy to operate and is clean and hygienic. The present invention has a simple preparation method, is non-harmful and non-toxic, low-carbon and environmentally friendly.

Abstract: Provided is a method for designing a patient-specific surgical device for performing knee surgery, which includes determining a first alignment axis and/or a second alignment axis from a knee joint in extension and/or flexion respectively and subsequently designing said surgical device based on the first and/or second alignment axes. Also provided is a method of manufacturing a patient-specific surgical device designed by the aforementioned method. A patient-specific surgical device designed and/or manufactured by the above methods and a method of performing knee surgery with said patient-specific surgical device is further provided.

Abstract: The invention provides an enhanced electrospun film made from polyvinylidene fluoride (PVDF) and at least one low-melting-point polymer in a ratio of 99.9:0.1-90:10 by weight, and the low-melting-point polymer having a melting point lower than the polyvinylidene fluoride and a softening point in the range of 110-140 C°. The enhanced electrospun film exhibits excellent mechanical properties, higher moisture permeability and hydrostatic pressure resistance. The invention further provides a method for manufacturing the enhanced PVDF electrospun film, and use of the enhanced PVDF electrospun film in preparing a waterproof and moisture permeable product.

Abstract: The present invention provides an application of a drug or a pharmaceutical composition in the treatment of cancers showing high expression of PIWI and/or an NMD complex protein, such as gastric cancer. When applied in the treatment of cancers showing high expression of PIWI and/or an NMD complex protein, such as gastric cancer, the drug or the pharmaceutical composition of the present invention not only can effectively treat cancers, particularly gastric cancer, but also has higher specificity and will not cause harm to normal cells and body functions.

Abstract: A water-soluble unidirectional moisture transport traditional Chinese medicine facial mask and a preparation method thereof. The facial mask includes a facial mask substrate and a facial mask effective ingredient layer, wherein a lateral surface of the facial mask substrate is a hydrophobic surface, and the other lateral surface is a superhydrophilic surface; the facial mask effective ingredient layer is loaded to the superhydrophilic surface, in which facial mask effective ingredients include a traditional Chinese medicine colloid. In use, by simply spraying water, the effective ingredients such as the traditional Chinese medicine on the surface can be quickly dissolved to exert effects. Its hydrophobic layer can be kept dry, which not only delays volatilization of liquid and prolongs the effective time, but also is easy to operate and is clean and hygienic. The present invention has a simple preparation method, is non-harmful and non-toxic, low-carbon and environmentally friendly.

Abstract: The present invention discloses a unidirectional moisturizing nanofiber facial mask substrate with asymmetric wettability and preparation thereof. The preparation includes: preparing a superhydrophilic electrospun fiber membrane on a substrate by electrospinning; preparing a hydrophobic electrospun fiber membrane by electrospinning on a lateral surface of the superhydrophilic electrospun fiber membrane away from the substrate to form a double-layered membrane; and removing the substrate, and drying the double-layered membrane to obtain the asymmetric unidirectional moisturizing facial mask substrate with one side being superhydrophilic and the other side being hydrophobic. The superhydrophilic layer can absorb a nutrient solution and be applied to the skin surface, while the hydrophobic layer can keep itself dry, reduce the consumption of the nutrient solution and inhibit volatilization of the nutrient solution.

Abstract: Provided is a method for designing a patient-specific surgical device for performing knee surgery, which includes determining a first alignment axis and/or a second alignment axis from a knee joint in extension and/or flexion respectively and subsequently designing said surgical device based on the first and/or second alignment axes. Also provided is a method of manufacturing a patient-specific surgical device designed by the aforementioned method. A patient-specific surgical device designed and/or manufactured by the above methods and a method of performing knee surgery with said patient-specific surgical device is further provided.

Abstract: Provided is a method for designing a patient-specific surgical device for performing knee surgery, which includes determining a first alignment axis and/or a second alignment axis from a knee joint in extension and/or flexion respectively and subsequently designing said surgical device based on the first and/or second alignment axes. Also provided is a method of manufacturing a patient-specific surgical device designed by the aforementioned method. A patient-specific surgical device designed and/or manufactured by the above methods and a method of performing knee surgery with said patient-specific surgical device is further provided.

Abstract: Provided methods for diagnosing and treating cancer by reducing the biological activity and/or expression of P-element induced wimpy testis-like protein 4 (PIWIL4), and related compositions and methods.

Abstract: Provided methods for diagnosing and treating cancer by reducing the biological activity and/or expression of P-element induced wimpy testis-like protein 4 (PIWIL4), and related compositions and methods.

Abstract: A self-damping shutter apparatus for use in an exposure system of a photolithography machine, comprising: at least two pieces of shutter blades (1) for cutting off light source to an exposure area when the shutter is closed; a shutter driving arm (2), for driving the shutter blades (1) to synchronically open or close; a magnetic damping brake motor (3), for driving or braking the shutter driving arm (2), and the magnetic damping brake motor (3) drives and brakes, via the shutter driving arm (2), the shutter blades (1). The self-damping shutter apparatus for use in the exposure system of the photolithography machine increases consistency of opening or closing the shutter blades, improves a light shading effect of the shutter apparatus in an exposure, and improves stability in the process of opening or closuring the shutter blades.

Abstract: Provided is a method for designing a patient-specific surgical device for performing knee surgery, which includes determining a first alignment axis and/or a second alignment axis from a knee joint in extension and/or flexion respectively and subsequently designing said surgical device based on the first and/or second alignment axes. Also provided is a method of manufacturing a patient-specific surgical device designed by the aforementioned method. A patient-specific surgical device designed and/or manufactured by the above methods and a method of performing knee surgery with said patient-specific surgical device is further provided.

Abstract: A self-damping shutter apparatus for use in an exposure system of a photolithography machine, comprising: at least two pieces of shutter blades (1) for cutting off light source to an exposure area when the shutter is closed; a shutter driving arm (2), for driving the shutter blades (1) to synchronically open or close; a magnetic damping brake motor (3), for driving or braking the shutter driving arm (2), and the magnetic damping brake motor (3) drives and brakes, via the shutter driving arm (2), the shutter blades (1). The self-damping shutter apparatus for use in the exposure system of the photolithography machine increases consistency of opening or closing the shutter blades, improves a light shading effect of the shutter apparatus in an exposure, and improves stability in the process of opening or closuring the shutter blades.