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公开(公告)号:US12223626B2
公开(公告)日:2025-02-11
申请号:US17732577
申请日:2022-04-29
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Inventor: Rongliang Chen , Xiaochuan Cai
Abstract: A method for denoising an image, an apparatus, and a computer-readable storage medium. The method includes: dividing a to-be-processed image into a plurality of image areas; for each image area, expanding an edge of the image area to obtain an expanded area; wherein the expanded area comprises the image area and an edge area, and the edge area comprises pixels in another image area adjacent to the image area; for each expanded area, performing denoising processing on the expanded area through a preset algorithm to obtain a denoised expanded area; wherein the denoised expanded area comprises a denoised image area and a denoised edge area; and abandoning the denoised edge area in each denoised expanded area, and retaining and combining all the denoised image areas to form a denoised image.
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公开(公告)号:US20250027215A1
公开(公告)日:2025-01-23
申请号:US18481209
申请日:2023-10-04
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY , CHINA MERCHANTS. INVESTMENT DEVELOPMENT COMPANY LIMITED
Inventor: XIAOLONG ZHANG , YINGJUN DONG , JUXIA XIONG , HUIMING CHENG
IPC: C25B11/032 , C25B1/23
Abstract: The preparation method of a gas phase diffusion electrode for electrocatalyzing CO2 to reduce and produce CO provided by the present application comprises: mixing a conductive polymer monomer solution with a molar ratio of 100:1˜1:100 with a metal salt solution, and adding a dispersant to form a mixed solution; transferring the mixed solution to a substrate and reacting at a temperature of −30° C.-50° C. for 1-48 hours to obtain a gas phase diffusion electrode. By the method of using metal ions to self-initiate in-situ growth of conductive polymer monomers, the present application forms a metal-conductive polymer gas phase diffusion electrode. Due to the characteristics of the conductive polymer, the gas phase diffusion electrode can provide more nucleation sites, achieving similar catalytic effect while reducing use amount of metal.
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公开(公告)号:US20250027214A1
公开(公告)日:2025-01-23
申请号:US18481205
申请日:2023-10-04
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY , CHINA MERCHANTS. INVESTMENT DEVELOPMENT COMPANY LIMITED
Inventor: XIAOLONG ZHANG , JUXIA XIONG , YINGJUN DONG , HUIMING CHENG
IPC: C25B11/032 , C25B3/07 , C25B3/26 , C25B11/052 , C25B11/075
Abstract: The present application provides a preparation method of a gas phase diffusion electrode for electrocatalyzing CO2 to reduce and produce formic acid and an application thereof, comprising: obtaining first mixed solution, obtaining second mixed solution, uniformly mixing the first mixed solution and the second mixed solution, coating them onto a surface of a substrate, and then placing them at a temperature of −30° C.-100° C. for 1-48 hours to obtain the gas phase diffusion electrode. In the preparation method, conductive polymer monomer and bismuth or tin based metal component are coated onto the surface of the substrate to form an integrated conductive polymer-catalyst/hydrophobic substrate composite gas phase diffusion electrode, not only can the stability between metal active components and the substrate material be enhanced, but also characteristics such as better conductivity, higher specific surface area, abundant surface chemical reaction sites, and so on are provided.
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公开(公告)号:US12180609B2
公开(公告)日:2024-12-31
申请号:US17841189
申请日:2022-06-15
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Inventor: Qi Zeng , Tianzhun Wu
IPC: A61N1/05 , A61B5/1468 , A61B5/268 , B08B3/08 , B08B7/02 , C25D5/02 , C25D5/34 , C25D7/12 , G01N27/327
Abstract: Provided are composite array electrode, preparation method thereof and use thereof. The composite array electrode comprises a microelectrode array substrate, and a modification layer formed on a surface of a microelectrode of the microelectrode array substrate, wherein the modification layer comprises a plurality of electrically conductive layers arranged at intervals on the surface of the microelectrode, an insulating layer arranged on the surface of the microelectrode except the electrically conductive layers, and wherein material for the electrically conductive layers comprises one or more of nano platinum, nano iridium, conductive polymer and carbon nanotubes. The composite array electrode effectively eliminates the influence of edge effect such that the electric field distributes uniformly on the microelectrode surface of the composite array electrode, significantly improving electrochemical performance and detection capability of the electrode.
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公开(公告)号:US12148122B2
公开(公告)日:2024-11-19
申请号:US17729890
申请日:2022-04-26
Inventor: Qin Yang , Pengfei Wei , Liping Wang
IPC: G06T3/4038 , G03B37/04 , G06T3/047 , G06T3/08
Abstract: The present invention provides a panoramic presentation method and apparatus. The present invention presents a panoramic image by using a combined structure of a single fisheye projector and a spherical screen in hardware, employs a geometrical relationship between a fisheye lens and the position of a viewer and isometric projection transformation, and enables 180° fisheye projection to present 720° environment information to the viewer in the center of the spherical screen, greatly simplifying the image conversion process and realizing zero distortion. According to a 720° panorama one-step generation method based on a single virtual camera in software, complex steps of collecting six images by a plurality of cameras, synthesizing a cube map and then converting the cube map into a panorama are not needed, the vertex position of a scene is directly adjusted in the process from a 3D space to a 2D image.
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公开(公告)号:US20240328945A1
公开(公告)日:2024-10-03
申请号:US18741387
申请日:2024-06-12
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Inventor: Leo E. WONG , Shuwen CHANG
CPC classification number: G01N21/6428 , C12N13/00 , G01N2021/6439
Abstract: Disclosed are a detection method for protein liquid-liquid phase separation (LLPS) and use thereof. The method comprises: constructing a first expression vector for expressing an energy donor fluorescent molecule fused to a target protein and a second expression vector for expressing an energy acceptor fluorescent molecule fused to the target protein; transferring both expression vectors into primary cultured cells; stimulating the primary cultured cells while collecting fluorescence microscopic imaging data by using an appropriate fluorescence microscope; calculating a change in Förster resonance energy transfer (FRET) efficiency as a proxy for monitoring the process of LLPS and phase transition of the target protein.
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公开(公告)号:US20240293598A1
公开(公告)日:2024-09-05
申请号:US18044655
申请日:2022-11-24
Applicant: SHENZHEN INSTITUTES OF ADVANCED TECHNOLOGY
Inventor: Yuxiao LAI , Yuanchi ZHANG , Wei ZHANG
CPC classification number: A61L27/047 , A61L27/18 , A61L2430/02
Abstract: The present invention provides a shape memory material with a chelating system. The shape memory material with the chelating system comprises polyurethane and a metal complex in a mass ratio of 100: (1-10), and the polyurethane is obtained by reaction of the following components by weight percent: 9.0-10.0% of methylenediphenyl diisocyanate, 0-2.0% of chain extender, 0-3.0% of chelating agent, and 87.0-88.0% of polycaprolactone diol. The present invention provides a novel shape memory material polyurethane-manganese dioxide (SMPU-MnO2) chelating material. Collaboration of its mechanical strength, shape memory performance and Mn2+ responsive release is achieved through the chelating system, and shape recovery is performed by means of the photothermal effect of manganese dioxide under remote control of near-infrared light to achieve self-fixed filling of an irregular bone defect part and responsively release manganese ions, so as to achieve a bone repair biological function.
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公开(公告)号:US20240293310A1
公开(公告)日:2024-09-05
申请号:US18044683
申请日:2021-12-15
Inventor: Yuxiao LAI , Wenjing ZHANG , Wei ZHANG , Cairong LI , Zhenyu YAO
CPC classification number: A61K9/06 , A61K9/0019 , A61K38/44 , A61K47/02 , A61P19/08
Abstract: Disclosed is a metal peroxide composite injectable hydrogel, a preparation method and use thereof. The preparation method comprises the step of dissolving a modified high-molecular polymer, a metal peroxide and a peroxidase in a solvent, mixing evenly, and standing to prepare the hydrogel, wherein the modified high-molecular polymer is a high-molecular polymer grafted with a phenolic hydroxyl group. According to the invention, the metal peroxide induces the modified high-molecular polymer to be quickly crosslinked under an action of the peroxidase to prepare the hydrogel, and the prepared hydrogel has good photo-thermal performance, antibacterial property, tissue adhesion, osteogenesis promoting effect, shape adaptability and injectability, can be well adapted to an irregular bone defect area, and is used for repairing a postoperative defect of tumor through a synergistic effect of multiple functions, which can effectively prevent tumor recurrence and reduce a possibility of implant material infection.
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公开(公告)号:US20240226329A1
公开(公告)日:2024-07-11
申请号:US18022051
申请日:2020-08-20
Inventor: Chenli Liu , Yuxuan Dong , Xuan Guo , Qian Chen , Yong Hu , Liangxia Ai , Hao Zhang
CPC classification number: A61K48/0058 , A61K35/74 , A61K38/204 , A61K38/2066 , A61K45/06
Abstract: A bacterial targeting vector and use thereof in tumor treatment, in particular, a bacterial targeting vector carrying a cytokine such as interleukin 6 and interleukin 10 or carrying a polynucleotide such as mRNA of the cytokine and use thereof in tumor treatment. An attenuated chassis bacterium capable of targeting solid tumors can be used as a delivery carrier of a tumor therapy molecule, and achieve expression and controllable release of a human/murine cytokine, thereby achieving anti-tumor effects.
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公开(公告)号:US11970391B2
公开(公告)日:2024-04-30
申请号:US17618198
申请日:2019-12-13
Applicant: Shenzhen Institutes of Advanced Technology
Inventor: Tianzhun Wu , Zhaoling Huang , Qi Zeng
CPC classification number: B81C1/00166 , B81B3/0072 , B81B2201/06 , B81B2203/0172 , B81B2203/04 , B81C2201/0114 , B81C2201/0185 , B81C2201/0187 , B81C2201/0194
Abstract: A method for preparing a flexible electrode is provided. The method comprises sequentially forming a flexible base layer and an intermediate conductive layer on a carrier plate; treating an elastomeric template having an electrode pattern with an acid, followed by transferring and printing the electrode pattern onto the intermediate conductive layer to form an electrode inducing layer; forming a titanium dioxide-polydopamine composite layer in a gap of the electrode inducing layer; forming a platinum electrode layer on the titanium dioxide-polydopamine composite layer; removing the carrier plate. The invention solves the problems of slow formation of a polydopamine film and slow formation of a platinum electrode layer. A flexible electrode is further provided.
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