National Center for Nanoscience and Technology Patent applications |
Patent application number | Title | Published |
20150291429 | METHOD FOR TREATING SINGLE WALL CARBON NANOTUBE - Provided is a method for treating single-walled carbon nanotube, comprising: (1) allowing single-walled carbon nanotubes to contact with a surfactant and a dispersant sequentially in the present of a solvent, to obtain highly dispersed single-walled carbon nanotubes in which the content of single dispersed single-walled carbon nanotubes is not lower than 50 wt %, wherein, the single-walled carbon nanotubes can be dispersed in the solvent, and the surfactant and dispersant can be dissolved in the solvent; (2) employing density gradient centrifugation to sort the highly dispersed single-walled carbon nanotubes obtained in step (1). This method can effectively separate single-walled carbon nanotubes with different structural properties. | 10-15-2015 |
20150093415 | ANTIGEN COMPOSITION, PREPARATION METHOD AND USE THEREOF, AND TUMOR VACCINE - The present invention provides a preparation method of an antigen composition. The preparation method comprises the following steps: (1) obtaining a tumor antigen protein; (2) making the tumor antigen protein into contact with an immature dendritic cell; (3) inducing the immature dendritic cell in contact with the tumor antigen into a mature dendritic cell; and (4) separating a cell vesicle of the mature dendritic cell. The present invention further provides an antigen composition obtained through the preparation method and the application thereof in preparing a tumor vaccine. | 04-02-2015 |
20140217277 | METHOD AND KIT FOR DETECTING HEPCIDIN - A method for detecting hepcidin. Having a sample liquid in contact with a nanochip having a specific surface coating structure of silicon oxide, so that hepcidin is enriched with specificity; eluting the nanochip with an eluent; by performing mass spectrometric detection on the elution product, determining the hepcidin content in the elution product. The enrichment method substantially enhances the sensitivity and accuracy of mass spectrometric detection. A kit for detecting hepcidin comprising a sample diluent and a nanochip, the sample diluent comprising water, trifluoroacetic acid, and acetonitrile. | 08-07-2014 |
20140017671 | DETECTION METHOD OF NUCLEIC ACID AND KIT AND USING THEREOF - A detection method of nucleic acid is provided. The method includes: providing nucleic acid to be tested, making the nucleic acid to be tested react under asymmetric PCR conditions with a pair of primers for target nucleic acid amplification, DNA polymerase, adenine deoxyribonucleotide, guanine deoxyribonucleotide, cytosine deoxyribonucleotide and thymidine deoxyribonucleotide in a PCR buffer solution, mixing the reaction product and liquid that contains probe molecules, and judging whether the nucleic acid to be tested contains the target nucleic acid by observing the obtained mixture color or color change. A kit is also provided that can be used in the nucleic acid detection by the said method. Application of the method and the kit in inspection and quarantine is also provided. The method is a quick and easy, sensitive and a specific detection method of nucleic acid with direct observation using naked eyes. The method does not need additional equipment. | 01-16-2014 |
20130059143 | GRAPHENE BASED CONDUCTIVE MATERIAL AND PREPARATION METHOD THEREOF - A method for preparing a graphene based conductive material and the graphene based conductive material prepared by the method. The method includes: preparing a solid film on a substrate layer by using graphene oxide sol and metal salt solution and/or metal colloidal solution, keeping the solid film separated or without separated from the substrate layer standing for from 30 s to 10000 h in an atmosphere consisting of hydrogen or containing hydrogen with temperature of −50° C.˜200° C. and hydrogen pressure of 0.01-100 MPa, obtaining the graphene based conductive material. The preparation method can be processed at low temperature and uses cheap hydrogen as reductant, so the preparation process is simple and environment friendly. | 03-07-2013 |
20110111331 | METAL OPTICAL GRAYSCALE MASK AND MANUFACTURING METHOD THEREOF - A metal optical grayscale mask includes a layer of metal film which is deposited on transparent substrate, and different transparency pattern which is formed by laser writing on the surface of the metal film. The pattern is continuous, in type of array or random pattern. The grayscale is within 3.0 OD-0.05 OD. The thickness of the metal film is 5-100 nm. A manufacturing method of the metal optical grayscale mask includes that the selected transparent substrate is rinsed by the general semiconductor rinse process, the metal film is deposited on the transparent substrate then different transparency pattern is formed by laser writing on the surface of the metal film. The pattern is continuous, in type of array or the random pattern. The grayscale mask is low in price, antistatic electricity performance is good, the resolution can surpass optical diffraction limit. The manufacturing method is simple. There is a wide band application for micro-optical components and large-scale production of micro-electro-mechanical systems. | 05-12-2011 |