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343
resultados
Última actualización
16/10/2026 [07:21:00]
Resultados 200 a 225 de 343
Resumen de: WO2026193720A1
Provided are a structure design of a composite D-type polypeptide molecule, a preparation method for a D-type polypeptide supramolecular hydrogel, and the use thereof in the treatment of spinal cord injury. The composite D-type polypeptide molecule contains an oligopeptide or polypeptide consisting of D-type amino acids and a molecule containing an aromatic ring structure, which are linked via a covalent bond. Further provided are a D-type polypeptide supramolecular hydrogel and a preparation method therefor. Further provided is the use of the composite D-type polypeptide molecule or the D-type polypeptide supramolecular hydrogel in the preparation of a product for treating, alleviating or repairing spinal cord injury in a subject.
Resumen de: WO2026193719A1
Provided are a composite polypeptide molecule and a synthesis method therefor, an L-type polypeptide supramolecular hydrogel, and a use of the composite polypeptide molecule or the L-type polypeptide supramolecular hydrogel in the treatment of spinal cord injury. The complex polypeptide molecule comprises an oligopeptide or polypeptide composed of L-type amino acids and a molecule containing an aromatic ring structure, wherein the oligopeptide or polypeptide and the molecule are linked by means of a covalent bond. Also provided are an L-type polypeptide supramolecular hydrogel and a preparation method. Further provided is a use of the composite polypeptide molecule or the L-type polypeptide supramolecular hydrogel in the preparation of a product for treating, alleviating or repairing spinal cord injury in a subject.
Resumen de: US20260285686A1
A method of making hybrid carbon nanotube bundles. The method uses a pH neutral solvent bath followed by drying. This PH neutral solvent avoids the use of acids, superacids and caustics. The solvent preferably has a Hamett acidity function greater ranging from −12. The solvent may be aromatic hydrocarbons or halogenated solvents. The solvent preferably has a Hansen solubility parameter of 2 to 10, minimizing damage to common fullerene crystals. Embedding the fullerene crystals in the nanotubes provides improved electrical and optical properties. The presence of these fullerene crystals can modify the motion of electrons, turning standard nanotubes into components for nanoscale transistors, rectifiers, and memory devices.
Resumen de: WO2026193992A1
The present invention relates to the technical field of perovskite quantum dots. Disclosed is a method for tuning a perovskite quantum dot spectrum on the basis of phase interface anion exchange. A monovalent halide metal salt is used as a halide donor for an anion exchange reaction, and betaine or a derivative thereof is used as a catalyst. Betaine molecules also disrupt the encapsulation of organic ligands at the periphery of quantum dots while promoting the dissolution of the halide metal salt in a reaction system, thereby establishing a reaction channel for ion exchange. The present invention enables ABX3 perovskite quantum dots to undergo halide anion exchange, thereby forming halide-hybrid perovskite quantum dots of which the emission peak positions are freely tunable within the visible light range of 450-700 nanometers. The method of the present invention has the advantages of low costs, high tuning precision, reaction controllability, etc., and can be applied to the fields of high-definition display, precision photoelectric detection, information encryption, etc.
Resumen de: US20260285685A1
A method for preconditioning a supported metal catalyst that is to be used for the continuous, semi-continuous or batch production of carbon nanotubes (CNT) in a reactor, before the catalyst is fed into the reaction chamber at high temperature. The method involves treating an amount of the catalyst in a gas flow at an elevated preconditioning temperature for a preconditioning time.
Resumen de: US20260286411A1
An efficient process for producing bacterial nanocellulose (BNC) in high yield and in a shorter duration of 5-10 days, by using a rotatory disc bioreactor. The bacterial strain used to achieve high concentration of BNC is K. rhaeticus MCC 0157.
Resumen de: US20260284421A1
Deep-brain stimulation (DBS) with implanted electrodes revolutionized treatment of movement disorders and empowered neuroscience studies. Identifying less invasive alternatives to DBS may further extend its clinical and research applications. Nanomaterial-mediated transduction of magnetic fields into electric potentials offers an alternative to invasive DBS. Core-double shell g magnetoelectric nanodiscs (MENDs), such as Fe3O4—CoFe2O4—BaTiO3, with efficient magnetoelectric coupling are disclosed. The MENDs may exhibit a robust response to magnetic field stimulation in neurons decorated with MENDs at a density of 1 μg/mm2 even though individual-particle potentials may be below the neuronal excitation threshold. MENDs injected into the ventral tegmental area of genetically intact mice at concentrations of 1 mg/mL may enable remote control of reward behavior and provide a mechanistic optimization of magnetoelectric neuromodulation.
Resumen de: US20260287884A1
0000 The present disclosure provides, in part, compositions, devices, and objects comprising gravity responsive particles (GRPs) comprising optical property-changing effects that respond to mechanical forces, methods of manufacturing the same, and uses thereof in a variety of applications.
Resumen de: US20260293363A1
0000 A process for the preparation of a doped photomobile polymer characterised by having no rubbing stage is described, as well as the photomobile polymer obtained by said process and a handling device for moving a single solar cell to a photovoltaic panel comprising said photomobile polymer.
Resumen de: US20260284259A1
A method of producing a bioactive surface on a medical device configured for cementless implantation, the method comprising providing a medical device comprising a surface formed of titanium metal or a titanium alloy, treating the surface with an acidic solution consisting of nitric acid to form an activated surface, treating the activated surface using a plasma electrolytic oxidation process in an electrolyte solution to form an oxidized surface comprising a microporous oxide layer having bioactive elements, compounds, or phases, and chemically treating the resulting oxidized surface with an alkaline solution to form a bioactive surface comprising a structure selected from the group consisting of: a nanofibrous network, a composite of a nanofibrous network and nano-to-micro sized calcium phosphate particles, and a composite of the nanofibrous network, nano-to-micro sized calcium phosphate particles and a film comprising hydroxyapatite.
Resumen de: US20260284742A1
0000 A metal nanostructure may be prepared by a process including coating a substrate with a solution, where the solution includes one or more metal salts and a first solvent. The one or more metal salts may be configured to dissolve in the first solvent. The process may further include adding a second solvent to the coated substrate until one or more metal salt crystals precipitate over a surface of the substrate. The second solvent may include an antisolvent where the one or more metal salts of the solution are insoluble in the second solvent. The process may further include performing a microwave heating process to apply microwave heat to the substrate while the second solvent is present to induce thermal decomposition of the one or more metal salts until the metal nanostructure is formed on the surface of the substrate.
Resumen de: US20260285701A1
0000 A preparation method for a two-dimensional nanosheet. The method includes: performing a calendering treatment on non-Van der Waals layered crystal particles, and then performing mechanical exfoliation, so as to obtain a two-dimensional nanosheet. Mechanical exfoliation is commonly referred to as a scotch tape method, and mechanical exfoliation may only be performed by using an adhesive tape (sometimes, the assistance of an interposer is required) when the interlayer interaction of a bulk material is dominated by a weak van der Waals force; however, there is significant electron density overlapping between layers of many functional materials with layered stacked crystal structures, and the electron density overlapping forms a non-Van der Waals structure, which cannot be directly exfoliated by using the adhesive tape. In the present method, few-layer or even single-layer structures of various non-Van der Waals layered crystal materials are successfully obtained for the first time by means of a calendering pretreatment combined with mechanical exfoliation; in addition, a new physical phenomenon can be observed in an exfoliated two-dimensional crystal.
Resumen de: WO2026198404A1
A method of making a photonic device includes forming at least one photonic device layer over a substrate, forming a nanoimprint lithography resist layer over the at least one photonic device layer, imprinting the nanoimprint lithography resist layer using a nanoimprint lithography template to form a patterned nanoimprint lithography resist layer having a first pattern, and patterning the at least one photonic device layer to include the first pattern.
Resumen de: WO2025104394A1
The invention relates to a method for manufacturing phosphorescent carbon dots, the method comprising: a) providing ammonia or an ammonia solution to which L-aspartic acid is added so as to obtain a mixture; b) microwave-heating the mixture so as to obtain a solid in gelled form; c) dissolving the solid in gelled form in a basic solution containing sodium ions so as to obtain the phosphorescent carbon dots, wherein the amounts of NH4OH and L-aspartic acid used in the mixture in step a) are selected so that the molar ratio of NH4OH to L-aspartic acid is greater than or equal to 1.6. The invention also relates to a marking ink comprising the phosphorescent carbon dots, and to a method for detecting them using a mobile telephone.
Resumen de: WO2025165675A1
A field effect transistor (FET) structure and method for making the same is disclosed. In an aspect, a FET structure comprises a vertical metal gate disposed between a first and second source/drain (S/D) epitaxial (EPI) structure and having a set of vertically-stacked, horizontal channels, all but the top channel connecting the first and second S/D EPI structures through the vertical metal gate. A high-K dielectric material is disposed between the vertical metal gate and each of the horizontal channels, and vertical spacer layers separate the vertical metal gate from the S/D EPI structures. A low-K dielectric structure is disposed above the top-most portion of the vertical metal gate and fills a recess above the vertical metal gate and between the first vertical spacer layer and the second vertical spacer layer.
Resumen de: CN122787035A
0001 一种单糖诱导调控的手性铂基合金纳米螺旋线催化剂及其制备方法和应用，所述纳米螺旋线具有手性螺旋形貌，其旋向为右旋或左旋，并且所述纳米螺旋线包括铂基合金，所述铂基合金包含贵金属组分和非贵金属组分，其中贵金属组分选自铂、铱中的至少一种，非贵金属组分选自钴、镍中的至少一种。本发明将金属盐前驱体与表面活性剂（CTAB）溶于油胺溶剂中，以某一类型的手性单糖作为手性诱导剂，通过贵金属/非贵金属的特定原子比例组成，以及反应的温度、时间、升温速率的控制，利用单糖的手性旋光性与使用量，成功精确地调控铂基合金纳米螺旋线的手性旋向与螺距等手性形貌特征，反应条件温和、操作简单。
Resumen de: CN122793326A
0001 本发明提供一种基于静电植绒的小范围高灵敏柔性压力传感器及制备方法，涉及柔性压力传感器领域，包括：S1、配制PDMS前驱体溶液；S2、在预先固化的PDMS薄膜表面，形成弹性体基底；S3、制备碳纳米管微柱阵列，组装半分离式转导结构；S4、对转导结构干燥并冲洗表面；S5、将转导结构切割成设定尺寸；S6、将转导结构与叉指电极相对设置并电连接，并放置支撑层；S7、封装得到柔性压力传感器。本发明基于静电植绒技术，通过调控碳纳米管间的微观间距，减小聚合物分子链形成的非渗流相尺寸，并选取与转导结构功函数相匹配的叉指电极降低肖特基势垒，使受压时隧穿导电路径快速增加，提升小压力范围内的灵敏度。
Resumen de: CN122789338A
本发明公开一种碳纳米管层级纳米通道网络的构筑方法，属于纳米器件制造技术领域。它包括以下步骤：S1、在位于衬底上的单根碳纳米管的外周制备栅控电极并键合相应的引线；S2、在衬底设置有碳纳米管的一侧涂覆厚度为10 μm~100 μm的光刻胶；S3、通过光刻工艺在光刻胶的胶层中制备微流道，暴露出碳纳米管并使栅控电极位于保留的光刻胶中；S4、通过局部刻蚀工艺去除微流道内残留的碳纳米管，从而形成至少2个纳米通道单元；S5、将聚二甲基硅氧烷与衬底进行键合封装；S6、对纳米通道单元的端口进行功能化修饰；S7、纳米通道单元通过微流道耦合和/或外接电极耦合形成一组串联连接和/或并联连接的碳纳米管层级纳米通道网络。
Resumen de: CN122791417A
0001 本发明公开了一种石墨烯/液态金属复合材料、制备方法及其在电合成碳酸氢钠中的应用。本发明将镓纳米粒子分散液与氧化石墨烯分散液混合，密闭加热反应制得石墨烯/液态金属复合材料，再将其负载在碳基底上制成LMDs/Graphene气体扩散电极，以其作为工作电极应用于液流电解池中，用于生产碳酸氢钠。本发明不仅实现了硝酸盐废物和二氧化碳废气的同步转化，还生产出高附加值的高浓度碳酸氢钠化工产品，实现了高效生产速率，超越了传统的碳酸氢钠生产技术。
Resumen de: CN122790270A
0001 本发明提供了一种高强度抗静电纳米复合膜及其制备方法，属于纳米复合材料技术领域。该高强度抗静电纳米复合膜的制备方法，包括：将细菌纤维素膜作为基底，每隔预设时间分别喷涂包含氧化石墨烯和培养液的混合溶液、菌液，经发酵在基底上生长出细菌纤维素‑氧化石墨烯复合膜，得到复合膜‑基底；对复合膜‑基底进行碱处理，并剥离基底，得到细菌纤维素‑氧化石墨烯复合膜；将细菌纤维素‑氧化石墨烯复合膜置于钙盐溶液中进行预钙化，得到预钙化的细菌纤维素‑氧化石墨烯复合膜；将预钙化的细菌纤维素‑氧化石墨烯复合膜置于包含钙盐和聚丙烯酸盐的混合溶液中，滴加碳酸盐溶液进行矿化，得到高强度抗静电纳米复合膜。
Resumen de: CN122785664A
本发明涉及抗菌材料技术领域，特别涉及一种光催化与金属抗菌纳米复合材料及其制备方法，以质量百分比计，由以下组分组成：石墨烯：4%~5%；光催化剂：89%~92%；杀生物剂：0.5%~2%；余量为3‑氨丙基三乙氧基硅烷；其中，石墨烯为少层石墨烯或石墨烯纳米片；光催化剂包含金红石型二氧化钛；杀生物剂包含银包覆铜纳米颗粒。由此，解决了现有技术中有机粘结剂易降解、金属杀生物剂释放不可控以及抗病毒活性缓慢等问题。
Resumen de: CN122803578A
0001 本申请提供一种二维柔性复合材料及其制备方法，本制备方法将Bi<2>Te<3>纳米片进行热处理，能够使结晶度增加，增强了二维三元复合材料的电导率，Bi<2>Te<3>/rGO置入经DMSO处理的PEDOT:PSS溶液，能够产生界面散射效应，使复合材料的热导率下降，提升了热电转换效率。此外，PEDOT为柔性基质，Bi<2>Te<3>为刚性材料，能够生成比表面积大且附着力强的rGO二元复合材料的界面层，不仅提升了复合薄膜的机械稳定性，还使得材料能够经受多次弯曲而不损伤其热电性能。本方法采用的制备步骤简单，易于规模化生产，通过加入十二烷基磺酸钠增强Bi<2>Te<3>纳米片的表面活性，实现对Bi<2>Te<3>纳米片的表面修饰，增强了rGO与Bi<2>Te<3>和PEDOT的界面相容性，提升了复合材料的整体性能和长期稳定性。
Resumen de: CN122800560A
本发明提供了一种催化型纳米级量子点复合正极的制备方法，该方法包括：制备Co9S8量子点、修饰固态电解质、制备硫/碳复合物S/C/Co9S8@SE复合正极材料前驱体、制备催化型纳米级量子点复合正极。还提供了应用，该催化型纳米级量子点复合正极用于制备固态锂硫电池。本发明的催化型纳米级量子点复合正极通过在原子/纳米尺度设计功能界面，将催化型量子点作为纳米桥接器和固态反应催化剂，均匀引入到硫/碳/固态电解质三元复合体系中，从而显著提升固‑固反应动力学和界面稳定性。
Resumen de: CN122790464A
0001 本申请属于光伏玻璃涂层技术领域，涉及一种低折射率核‑壳结构纳米颗粒、包含该纳米颗粒的镀膜液、涂层及光伏组件，低折射率核‑壳结构纳米颗粒包括核体以及包覆于所述核体外表面的二氧化硅壳层，核体为内部中空或表面多孔的氟化镁核。核‑壳结构纳米颗粒包含的中空或表面多孔的氟化镁核能够引入空气相，具有较低等效折射率，从而提升光伏玻璃透光率；二氧化硅壳层对氟化镁核形成包覆保护，减少水汽及粘结剂进入核体空腔或孔结构中，降低核体塌陷、孔结构被填充或结构劣化的风险，提升涂层耐久性与机械强度，从而提高涂层长期稳定性。
Nº publicación: CN122800609A 22/09/2026
Solicitante:
北京当升材料科技股份有限公司
Resumen de: CN122800609A
本申请属于电池技术领域，具体涉及磷酸铁锂正极材料及其制备方法、锂离子电池和用电装置，该磷酸铁锂正极材料的孔密协同平衡系数X=S1×D50×φ×ρ，且满足：4≤X≤16；其中，S1为所述磷酸铁锂正极材料的BET比表面积，单位为m2/g，D50为所述磷酸铁锂正极材料的体积分布中位粒径，单位为μm，φ为所述磷酸铁锂正极材料的总孔隙率，ρ为所述磷酸铁锂正极材料的真密度，单位为g/cm3。该磷酸铁锂正极材料可以实现高压实、高倍率、长循环、低温性能与良好加工性能的统一，且制备方法简单，方便进行大规模生产。
BOPI
Sede Electrónica
