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一种基于线性无机分子链可控合成与扩链的多孔陶瓷纳米纤维及其制备方法

Resumen de: CN122484966A

本发明属于新型多孔陶瓷纳米纤维制备技术领域，具体涉及一种基于线性无机分子链可控合成与扩链的多孔陶瓷纳米纤维及其制备方法。本发明将醇盐单体与一端为磷酰基、另一端为膦酸基的配体配位，加入梯度惰性配体溶液使醇盐水解速率一致，再控制H+浓度和加水量使其水解‑缩聚形成低聚合度线性无机分子链；经双官能度扩链剂扩链、封端剂终止反应，获得高聚合度线性无机长链，配制成纺丝液并添加结合剂形成球形胶束；纺丝得到的前驱体纳米纤维，经紫外预处理和煅烧，制得多孔陶瓷纳米纤维。本发明可实现无机分子链可控合成，制备的纤维性能优良，各项参数可控。

一种用于复发性流产的纳米药物及制备方法和用途

Resumen de: CN122478976A

本发明属于靶向药物递送技术领域，具体涉及一种用于复发性流产的纳米药物及制备方法和用途。该纳米药物由转铁蛋白‑白术外泌体偶联物负载黄芩苷制成，制备方法简单且在体外免疫炎症模型及体内复发性流产模型中展示出良好的免疫调节和抗胚胎吸收效果，安全性测试显示具有良好的相容性。

一种级联抗氧化无载体纳米马达及其制备方法和应用

Resumen de: CN122479115A

本发明涉及一种级联抗氧化无载体纳米马达及其制备方法和应用，属于生物医药技术领域。所述级联抗氧化无载体纳米马达由功能转化型一氧化氮供体BNN‑NO和光热光敏剂通过非共价作用力自组装形成，并且采用聚乙二醇修饰剂和聚乙二醇化病灶靶向配体进行修饰；其中，所述光热光敏剂为DiR或DiD中的一种或两种；所述功能转化型一氧化氮供体BNN‑NO具有下述结构。本发明通过小分子杂化自组装纳米技术、光热响应调控技术以及血栓靶向修饰策略，构建了一种集“气体驱动—光热响应—级联抗氧化”于一体的无载体纳米马达，从而实现溶栓与再灌注保护的协同优化。

一种纳米级低价态铱钌氧化物催化剂及其制备方法与应用

Resumen de: CN122482525A

一种纳米级低价态铱钌氧化物催化剂及其制备方法与应用，属于纳米材料制备技术领域。催化剂晶体结构为单斜晶系，颗粒尺寸为纳米级，其中Ru和Ir分别稳定于+3~+4的混合低价态。与传统+4价金红石相不同，本发明催化剂的金属价态经历长时间催化后仍能保持低价态，避免了不可逆过氧化，同时氧化物骨架保持结构刚性。本发明还提供了该催化剂的制备方法，通过共沉淀、煅烧、混合溶剂热还原及惰性气氛热处理的组合工艺，实现晶相转变与价态调控。该方法操作可控、重复性好，所得催化剂兼具高活性和高稳定性，在10 mA cm−2电流密度下可连续稳定运行100小时以上，可作为酸性水分解制氢领域的高效阳极电催化剂，具有广阔的应用前景。

窒化ホウ素ナノチューブ精製方法及び精製装置

Resumen de: WO2025116630A1

Disclosed according to an embodiment of the present invention is an apparatus for purifying boron nitride nanotubes, the apparatus comprising: a disperser for stirring and dispersing a liquid mixture having boron nitride nanotubes dispersed in an aqueous solution in which an additive including a polyphenol group has been dissolved, and extracting a supernatant from the liquid mixture; and a centrifugal filter, one side of which is connected to the disperser, for obtaining filtered boron nitride nanotubes from the extracted supernatant, wherein the centrifugal filter includes, on the inner side thereof, a sheet that extends along the height direction of the centrifugal filter and collects the filtered boron nitride nanotubes.

パラジウム－金－銀三金属ハイブリッドナノ構造体の製造方法及びこれにより製造されたハイブリッドナノ構造体

Resumen de: WO2025023372A1

The present invention relates to a method for producing a palladium-gold-silver trimetallic hybrid nanostructure, which comprises a step of growing nanocrystals containing gold (Au) and silver (Ag) on a seed made of palladium (Pd) nanocrystals through a seed-mediated growth method, and to a hybrid nanostructure produced thereby. According to the present invention, it is possible to synthesize a palladium-gold-silver (Pd-AuAg) trimetallic hybrid nanostructure by growing nanocrystals containing gold (Au) and silver (Ag) having plasmonic properties on a specific location, not the entire surface, of a seed made of palladium (Pd) nanocrystals having high catalytic activity. In particular, by controlling the concentrations of gold (Au) precursors and silver (Ag) precursors during the seed-mediated growth process, it is possible to successfully synthesize Pd-AuAg trimetallic nanohybrid materials with various heterogeneous structures, such as octapod-like, bumpy, and Janus structures.

Processus efficace de gravure de carbones hautement graphitiques

Resumen de: FR3171595A1

Un procédé d’augmentation de la porosité du noir de carbone graphitique comprend la combinaison de noir de carbone graphitique ayant une taille planaire Raman (La) d’au moins 20 Angströms avec au moins 100 ppm d’un élément alcalino-terreux choisi parmi le strontium, le baryum et un mélange des deux pour former un mélange, et la mise en contact du mélange avec un agent de gravure à une température de 900-1400 °C jusqu’à ce que 2 %-85 % de la masse du noir de carbone soit perdue.

COMPOSITION FOR MAKING CONCRETE STRUCTURE HAVING ENHANCED PROPERTIES

Resumen de: WO2026159477A1

The present invention relates to a composition for making concrete structures with enhanced properties. The composition comprises 20 to 50 wt.% of coarse aggregates, 15 to 45 wt.% of fine aggregates, and optionally 10 to 25 wt.% of a binder material. The composition may optionally comprise 0 to 5 wt.% of optional additives. The coarse aggregates may be coated with a layer of micro silica. The fine aggregates are coated with a micro silica layer, with the micro silica content ranging from 0.1 to 5.0 wt.% of the fine aggregates. The coating of fine aggregate with micro silica improves the bonding, resulting in the concrete structure having increased strength, durability, and workability, suitable for diverse construction applications.

SILVER PARTICLES

Resumen de: US20260221308A1

0000 A method for producing an electronic part in which members are bonded with a sintered body, including: placing a conductive adhesive between the members; and sintering the conductive adhesive at a temperature of 250° C. or less to form the sintered body and bond the members with the sintered body, wherein the conductive adhesive includes silver particles and a solvent, wherein the silver particles include: silver particles A having an average particle diameter in a range of 50 to 500 nm; and silver particles B having an average particle diameter in a range of 0.5 to 5.5 μm, wherein an average particle diameter of the silver particles B is 5 to 11 times an average particle diameter of the silver particles A.

META-OPTICAL ELEMENT AND METHOD FOR MANUFACTURING META-OPTICAL ELEMENT

Resumen de: WO2026160411A1

This meta-optical element comprises: a support substrate having a first surface and provided with a plurality of openings provided on the first surface side and each surrounded by a side wall and a bottom wall; and a pattern layer including a plurality of embedded members with a component having a refractive index higher than that of a component constituting the side wall being filled into the openings. When a depth C of the openings is 1.0 μm or more, the distance of a portion passing through the center of gravity GA of a cross section at a position of 0.1C from the first surface and having the shortest distance is defined as a distance A, and the distance of a portion passing through the center of gravity GB of a cross section at a position of 0.9C from the first surface and having the shortest distance in the cross section is defined as a distance B, an aspect ratio represented by |C/((A + B)/2)| is 3.0 or more, and an angle Φ formed by a line passing through each of the center of gravity GA and the center of gravity GB and a line orthogonal to the first surface is 0.0-10.0°.

NANOWIRE-ASSISTED, SINGLE-MOLECULE SEQUENCING BY SYNTHESIS

Resumen de: WO2026159219A1

The invention relates to a method, device, and substrate for single-molecule sequencing by synthesis utilizing one-dimensional (1D) light-guiding structures, such as nanowires, to guide fluorescent emissions for high-precision nucleotide detection. The method involves immobilizing target nucleic acids on the 1D structures, sequencing with fluorescently labeled nucleotides, and detecting emissions within the waveguiding field to ensure accuracy. Configurations such as reverse sequencing, securing nucleic acids along the structure, or immobilizing polymerase optimize detection fidelity. The substrate is designed for enhanced fluorescent detection, supporting applications in genomics, diagnostics, and biomedical research.

SCANNING SINGLE ELECTRON BOX ELECTROMETER MICROSCOPE

Resumen de: WO2026161246A1

A method and device for detecting a quantity of electric charge and electric potential. The device includes a scanning probe, which includes a single electron box located at an apex of the scanning probe configured to sense properties of a sample surface at atomic resolution. The single electron box includes a back electrode, a tunnel barrier controlling a tunneling rate of electrons, and an island.

ANTI-MICROBIAL COMPOSITIONS AND USES

Resumen de: WO2026161438A1

Provided herein are various compositions, such as nasal pharmaceutical compositions, which may be used for antiviral and/or antimicrobial therapies and/or prophylaxis.

FACILE SYNTHESIS OF ATOMICALLY PRECISE METAL-CHALCOGENIDE SEMICONDUCTOR NANOCLUSTERS VIA COMBINING COORDINATION AND COLLOIDAL METHODS

Resumen de: WO2026161799A1

Facile synthesis of atomically precise semiconductor nanoclusters remains an important challenge, especially for systems containing heavier chalcogens. The present disclosure describes a synthetic approach that combines coordination chemistry and colloidal methods to produce atomically precise cadmium chalcogenide nanoclusters with defined compositions and structures. In representative embodiments, an atomically defined cadmium coordination complex is reacted with a phosphine-chalcogen precursor to yield cadmium telluride nanoclusters exhibiting distinct excitonic absorption features. The disclosed methods enable access to multiple size and structural regimes, including zinc blende-derived clusters, higher- nuclearity tetrapodal clusters formed through continued growth, and ultrasmall icosahedral clusters formed under mild conditions. Structural analysis reveals precise atomic frameworks and, in some embodiments, emergent chirality or photoluminescence. The disclosed approach provides an accessible platform for atomic-level control of semiconductor nanoclusters for optoelectronic applications.

INK COMPOSITION

Resumen de: US20260223590A1

0000 An ink composition including a plurality of quantum dots, a reactive organic compound, and a solvent is provided, in which the plurality of quantum dots do not contain cadmium (Cd) or lead (Pb), and the reactive organic compound is represented by the following Chemical Formula 1: 0000 where in Chemical Formula 1, Ar<1>, L<1>, L<2>, and X are the same as defined herein.

REPAIR AND OPTIMIZATION OF NANOCOMPOSITE MATERIALS

Resumen de: AU2025205805A1

The present invention relates to process for making a component comprising a composite material whereby three possible methods are detailed. More specifically, the invention relates to producing high performance composite materials, the method comprising surrounding nanofillers with specialized molecules that form covalently closed rings, where the matrix itself can be composed of polymers, metals, ceramics, or cement-based materials. The present invention also relates to a composite material comprising a nanofiller in the form of a nanotube or a graphene and further comprising a structural entity or matrix. Furthermore, the invention also relates to products or components made from the composite material.

Supported Catalyst for Manufacturing Carbon Nanotubes, Carbon Nanotubes, and Manufacturing Method Thereof

Resumen de: US20260216705A1

A supported catalyst for manufacturing carbon nanotubes according to the present disclosure includes a plate-shaped carrier and a plurality of metal catalyst particles which are attached to a surface of the plate-shaped carrier and include cobalt and vanadium. A method for manufacturing carbon nanotubes according to the present disclosure includes preparing a mixture comprising a metal precursor and a polymer gel, preparing a plate-shaped carrier by calcining the mixture, preparing a supported catalyst by attaching a plurality of metal catalyst particles comprising cobalt and vanadium to the surface of the plate-shaped carrier, and manufacturing a carbon nanotube by bringing the supported catalyst into contact with a carbon source. The carbon nanotube according to the present disclosure has an average straightness of 0.8 or more.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, BATTERY, AND ELECTRIC DEVICE

Resumen de: WO2026157135A1

The present application provides a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises a substrate; and a coating material comprising a compound represented by formula II: LaαZrβMγM'δOε formula II, wherein M comprises at least one element of Li, Na, Ca, Mg, Ba and Sr, M' comprises at least one element of Al, Ti, Sn, Nb, Ta, W and Mo, 0<α≤3, 0<β≤2, 0≤γ<0.5, 0≤δ<0.5, and 5≤ε≤10. In the X-ray diffraction pattern of the coating material, the full width at half maximum of the diffraction peak (222) is FWHM(222), and satisfies: 0.3≤FWHM(222)≤0.53.

CARBON-SUPPORTED METAL CATALYST AND PREPARATION METHOD THEREFOR

Resumen de: WO2026157588A1

The present application relates to the technical field of fuel cells, and in particular to a carbon-supported metal catalyst and a preparation method therefor. The method comprises the steps of: dispersing platinum bis(acetylacetonate), transition-metal acetylacetonate, and a carbon material in a solvent, drying and removing the solvent to obtain a precursor, and performing first annealing in an air atmosphere to obtain a mixture; and performing second annealing on the mixture in a hydrogen-argon atmosphere, performing acid pickling after cooling, then drying after washing, and performing third annealing in the hydrogen-argon atmosphere to obtain the carbon-supported metal catalyst. In the present application, platinum and the transition metal acetylacetonate are used, directly undergo annealing in the air atmosphere after being uniformly impregnated, and then undergo two-step gas-phase reduction in the hydrogen-argon atmosphere to prepare platinum-based intermetallic compound nanoparticles wrapped by a controllable carbon layer, thereby effectively preventing particle agglomeration. The prepared catalyst has a high degree of order, fine particles, uniform distribution, and excellent activity.

NEAR INFRARED FLUORESCENT NANOSENSORS FOR IRON

Resumen de: US20260219187A1

0000 Disclosed herein is a near infrared (nIR) fluorescent nanosensor for detecting iron species, comprising a complexation of individual single-walled carbon nanotubes (SWNT), wherein the SWNT are nIR fluorescent, and a water-soluble polymer. The nIR fluorescent nanosensors offer a specific and sensitive sensing platform for quantification and speciation of dissolved or bioavailable Fe(II) and Fe(III) in both their free ionic and chelated forms, and have been demonstrated for use in detection of iron via root uptake in planta, as well as in the detection of “free” or non-transferrin bound iron (NTBI) in human serum.

COMPOSITIONS AND METHODS FOR TARGETING AND TREATING TUMOR

Resumen de: US20260216335A1

0000 Nanoparticles encapsulating core particles with attached photothermal agents, and therapeutic agents. The methods of imaging a tumor tissue and/or treating a subject suffering from tumor with the nanoparticles provided herein.

MANUFACTURING PROCESS FOR HYBRID LIPID PARTICLES

Resumen de: US20260216073A1

0000 Method of manufacturing an aqueous suspension of hybrid lipid particles comprising the steps of mixing one or more lipids in a solvent or solvent mixture and a suspension of particles of inorganic material in a solvent or solvent mixture, into an aqueous medium; then passing the mixture resulting from Step A through the pores of an extrusion membrane, wherein the hybrid lipid particles have a mean diameter at least two times larger than the mean diameter of the particles of inorganic material. Related product, methods of treatment and medical application.

AMINO LIPID COMPOUND, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: US20260217645A1

0000 An amino lipid compound, and a preparation method therefor and the use thereof. The present invention further relates to a lipid nanoparticle and a pharmaceutical composition containing the amino lipid compound, and the use thereof.

AMINE-FREE METHOD OF HIGH-QUALITY SILICA GROWTH FOR QD ENCAPSULATION

Resumen de: US20260218041A1

The present disclosure concerns an improved method for the production of silica encapsulated quantum dots with improved photoluminescence quantum yield at elevated temperatures. The disclosure further concerns quantum dots prepared by the novel process and the application of the quantum dots in an optoelectronic device.

NANOBIONIC SERS SENSOR FOR DETECTING AIRBORNE ANALYTES, SYSTEM COMPRISING SAME, AND METHOD FOR DETECTING AIRBORNE ANALYTES

Nº publicación: US20260219192A1 30/07/2026

Solicitante:

SEOUL NATIONAL UNIV R&DB FOUNDATION [KR]
Seoul National University R&DB foundation

Resumen de: US20260219192A1

0000 The present invention discloses a nanobionic SERS sensor for detecting airborne analytes including an optical nanosensor disposed inside leaves of a plant, wherein the optical nanosensor comprises a first nanostructure, a second nanostructure comprising metal and being disposed on a surface of the first nanostructure to cause SERS, and a polymeric bonded to the surface of the second nanostructure and being capable of adsorbing the analytes, and wherein the optical nanosensor may be configured to detect the analytes introduced into the leaves through stomata of the plant by respiration and plant-to-plant communication mechanisms of the plant.