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370
resultados
Última actualización
25/08/2026 [07:47:00]
Resultados 300 a 325 de 370
Resumen de: US20260218161A1
The present invention relates to a process for the production of a system comprising providing a porous scaffold comprising functional groups capable of covalently binding MNPs to said porous scaffold; providing at least a population of magnetic nanoparticles (MNPs) comprising functional groups capable of covalently binding the porous scaffold of step a), and contacting the MNPs with the porous scaffold under suitable conditions for the immobilization of the MNPs to the scaffold by means of covalent bonds. The pre-sent invention also provides the system obtained by the process, and uses thereof, as well as a method for carrying out an enzymatic reaction.
Resumen de: US20260217957A1
0000 A composition includes a thermoplastic resin including: a polypropylene polymer; and from about 0.15 wt % to about 4.75 wt % of a filler comprising carbon nanotubes. The carbon nanotubes have an average diameter of about 5-15 nanometers (nm), a surface area of at least about 100 square meters per gram (m<2>/gr), and a volume resistivity of 10<−3 >Ohm·centimeters (Ohm·cm) or lower. The composition exhibits a volume electrical resistivity between 2.0E+14 Ohm·cm and 1.0E+03 Ohm·cm, and a molded sample of the composition exhibits a percent Absorbed Power measured in Transmission mode of at least 65% at frequencies of from about 75 GHz to about 110 GHz. Molded articles including micron-sized features that provide the article with high absorption and low reflection properties are also described.
Resumen de: US20260223587A1
Provided is a composite material and a preparation method thereof, and a preparation method of a light-emitting device. The composite material includes a nanoparticle, a temperature-responsive polymer, and a solvent, the temperature-responsive polymer has a first gelation critical temperature, and when the temperature is lower than the first gelation critical temperature, the temperature-responsive polymer and the solvent are cross-linked to form a network structure, so that the movement and mutual aggregation of the nanoparticle is avoided, thereby improving the dispersity of the nanoparticles in the composite material.
Resumen de: US20260218045A1
0000 A quantum dot, a light-emitting module and a synthesis method of the quantum dot are provided. The quantum dot includes a seed crystal and a quantum dot material layer grown on the surface of the seed crystal. In the quantum dot, the quantum dot material layer is grown on the surface of the seed crystal, the quantum dot material is attached to the seed crystal for oriented growth, thereby achieving low lattice stress during quantum dot growth, and allowing the quantum dot to have few growth defects and high performance.
Resumen de: US20260218046A1
0000 A quantum dot composition and a quantum dot light-emitting device are provided. The quantum dot composition includes a first quantum dot and a second quantum dot, the first quantum dot and the second quantum dot are both core-shell quantum dots. A ratio of a conduction band energy level of a core of the first quantum dot to that of the second quantum dot is 1:(0.9-1.1), and a ratio of a valence band energy level of the core of the first quantum dot to that of the second quantum dot is 1:(0.9-1.1). A conduction band energy level and a valence band energy level of an outermost shell of the second quantum dot are lower than those of the first quantum dot. The first quantum dot satisfies 0<ΔE
Resumen de: US20260223589A1
0000 A composite material, a preparation method thereof and a photoelectric device are disclosed, and related to a field of display technologies. The composite material includes an inorganic particle and a perfluorosulfonamide, wherein the inorganic particle is connected to the perfluorosulfonamide by a chemical bond, and a chemical formula of the perfluorosulfonamide is R—SO<2>—NH<2>. Perfluorosulfonamide in the composite material could reduce the surface defects of the inorganic particle, inhibit the growth and agglomeration of the inorganic particle, and thus improve the storage time of the inorganic particle.
Resumen de: US20260217538A1
The present disclosure relates to a graphene slurry (1), a thermoelectric material, and a thermoelectric device (2). The graphene slurry (1) is characterized in that it comprises a high-concentration yield of graphene and can be used for screen printing on different support materials, such as fabric, to obtain a thermoelectric device (2). Furthermore, the present disclosure relates to the methods for producing said graphene slurry (1), and the methods for obtaining a thermoelectric material and a thermoelectric generator therefor.
Resumen de: US20260216313A1
0000 The invention relates to compositions and methods for the preparation, manufacture and therapeutic use of ribonucleic acid immunogenic compositions and/or vaccines comprising polynucleotide molecules preferably encoding one or more influenza antigens, such as hemagglutinin antigens, wherein the composition is frozen or lyophilized.
Resumen de: US20260216015A1
0000 The present invention relates to pH-sensitive nanoparticles including a cationic substance which may stably encapsulate an active substance at a high content and having an excellently improved skin retention and delivery of the active ingredient when applied to skin, and a composition including the same.
Resumen de: US20260216698A1
0000 A micro-separator for gas chromatography includes a base substrate having a trench defining a micro-column, and a three-dimensional (3D) porous ceramic-polymer composite disposed in the micro-column and having pores that three-dimensionally connected to each other with periodicity. The 3D porous ceramic-polymer composite includes a ceramic nano-structure, which forms an array of three-dimensionally arranged nano-shells, and a reaction-activating layer combined on a surface of the ceramic nano-structure and including a polymeric reaction-activating material. A thickness of the 3D porous ceramic-polymer composite is 10 μm to 20 μm, a column length of the 3D porous ceramic-polymer composite is 30 cm to 70 cm, and a shell thickness of the ceramic nano-structure is 20 nm to 60 nm. The micro-separator may have improved separation performance and durability.
Resumen de: US20260223402A1
The present disclosure describes a semiconductor device that includes a substrate and a first transistor on the substrate. The first transistor includes a first gate structure and the first gate structure includes a gate dielectric layer and a first work function layer on the gate dielectric layer. The first gate structure also includes a capping layer on the first work function layer. The semiconductor device also includes a second transistor on the substrate, in which the second transistor includes a second gate structure. The second gate structure includes the gate dielectric layer and a second work function layer on the gate dielectric layer. The second gate structure also includes the first work function layer on the second work function layer and the silicon capping layer on the first work function layer.
Resumen de: WO2026159734A1
The present invention discloses a microwave-assisted process for preparation of lead-free Mn-doped CsBr Mn2+: CsBr, a phase-engineered all-inorganic cesium manganese bromide (0D Cs3MnBr5) and 1D CsMnBr3 phase-pure perovskite nanocrystals (NCs) the process comprising (a) preparing a cesium oleate mixture by adding 1-octadecene (ODE) and oleic acid (OA) to cesium carbonate (Cs2CO3), then (b) dissolving the oleate mixture by heating at a temperature in a range from 110 to 130℃ to obtain a solution; and (c) adding a mixture of manganese bromide (MnBr2), ODE, OA and oleylamine (OAm) to the dissolved solution and treating under microwave conditions at a temperature in a range from 190 to 210℃, wherein, using cesium carbonate (Cs2CO3) to manganese bromide (MnBr2) in a mole ratio of 1:1 gives CsBr Mn2+: CsBr nanocrystal, using cesium carbonate (Cs2CO3) to manganese bromide (MnBr2) in a mole ratio of 1:2.5 gives 0D Cs3MnBr5 nanocrystal, and using cesium carbonate (Cs2CO3) to manganese bromide (MnBr2) in a mole ratio of 1:7 gives 1D CsMnBr3 nanocrystal.
Resumen de: EP4782459A1
The present invention relates to Vitamin B12 monomer having the structure represented by the formula 4 or 3, a method of synthesis of Vitamin B12 monomer having the structure represented by the formula 4 or 3, a method of synthesis of nanogels modified with Vitamin B12 using precipitation polymerization, a use of the nanogel modified with Vitamin B12 in drug delivery systems, a pharmaceutical composition comprising nanogel modified with Vitamin B12 and active ingredient, and a pharmaceutical composition comprising nanogel modified with Vitamin B12 and active ingredient for use in the treatment of cancer.
Resumen de: KR20260117553A
0001a 본 발명의 일 실시예는 질소 기능화와 산소 결함을 동시에 갖춘 Fe-Ni 이종 복합체로 니켈 폼; 상기 니켈 폼 표면 상에 위치하되, 철 및 니켈을 포함하는 시트 구조체; 및 상기 시트 구조체 상에 위치하되, 철을 포함하는 나노구체 클러스터를 내부에 포함하는 탄소 매트릭스;를 포함하는 것을 특징으로 하는 전기촉매 전극를 제공하는 것이다.
Resumen de: EP4783255A1
The present invention relates to a negative electrode active material for a lithium secondary battery and a method for manufacturing the same. Specifically, the present invention relates to a negative electrode active material comprising a plurality of amorphous carbon layers on nano silicon-crystalline carbon composite particles, and a method for manufacturing the same.
Resumen de: WO2025108884A1
The invention relates to a method (500) for fabricating a structure comprising a stack of superlattices, comprising the steps of: forming (510Car) a first superlattice (Stck1) on a first substrate by stacking a plurality of first channel layers alternating with a plurality of first sacrificial layers; forming (520Don) a second superlattice (Stck2) on a second substrate by stacking a plurality of second channel layers alternating with a plurality of second sacrificial layers; and assembling (560) the second superlattice (Stck2) on the first superlattice (Stck1) at a dielectric separation layer which separates the first superlattice (Stck1) and the second superlattice (Stck2) and keeps them attached to one another, the first superlattice (Stck1), the separation layer and the second superlattice (Stck2) being stacked in this order.
Resumen de: KR20260117589A
0001a 본 발명에 따른 양극 활물질의 제조 방법은, 황과 제1 탄소 물질을 포함하는 양극 활물질 복합체를 준비하는 단계, 양이온성 고분자 용액을 준비하는 단계, 상기 양이온성 고분자 용액에 상기 양극 활물질 복합체를 제공하고 혼합하여 상기 양극 활물질 복합체 상에 양이온성 고분자를 포함하는 제1 코팅층이 형성된 예비 양극 활물질을 제조하는 단계, 및 상기 예비 양극 활물질을 포함하는 용액에 제2 탄소 물질을 포함하는 용액을 제공하고 혼합하여 상기 예비 양극 활물질 상에 상기 제2 탄소 물질을 포함하는 제2 코팅층이 형성된 상기 양극 활물질을 제조하는 단계를 포함할 수 있다.
Resumen de: CN122476649A
0001 本发明涉及一种跨立型带排列的一维聚合链‑石墨烯纳米带的制备方法，属于纳米材料技术领域。制备Au(111)单晶基底；1,8‑dibromo‑9H‑carbazole（DBC）前驱体蒸发并沉积在Au(111)单晶基底,沉积过程控制基底上的Au(111)单晶基底温度为25~30℃；通过退火得到一维的非苯型石墨烯聚合链；然后将含一维的石墨烯聚合链的Au(111)单晶进行二次退火处理，通过对退火温度的精确控制，得到一维的聚合链‑石墨烯纳米带异质结构。所制备的一维的聚合链‑石墨烯纳米带异质结构表现为跨立型带排列。本发明可用于可控的制备跨立型带排列的石墨烯纳米带异质结构。
Resumen de: CN122465582A
本发明提供了一种氮掺杂碳量子点、制备方法及应用，本发明氮掺杂碳量子点制备手段方便、成本低。本发明氮掺杂碳量子点对于芦丁的检测特异性较强，不易被杂质离子干扰，且氮掺杂碳量子点和芦丁混合后的稳定性几乎不受pH影响，因此对芦丁浓度的检测具有更高的精度。本发明氮掺杂碳量子点和芦丁混合后的产物，对于铝离子具有很强的检测特异性，能够对铝离子浓度实现定量检测，且检测精度较高。
Resumen de: CN122476685A
本发明属于半导体光电子器件与加密通信技术领域，具体涉及一种偏振探测器件，包括：半导体基底、纳米线栅、二维材料薄膜和金属电极，所述纳米线栅刻蚀于半导体基底上，所述二维材料薄膜生长在纳米线栅表面，构成异质结结构，所述金属电极包括与二维材料薄膜连接的顶电极和与半导体基底连接的底电极，用于光电转换。本发明解决了传统偏振探测系统体积大、成本高、难以集成以及偏振加密通信安全性不足的问题，在安全通信、传感及信息处理领域具有重要应用价值。
Resumen de: CN122466404A
本发明涉及新能源材料领域，尤其涉及一种具有纳米片状结构的Sb2Te3热电薄膜及其制备方法。制备方法包括将Sb2Te3粉末均匀铺展于石墨舟中，将衬底倒扣于石墨舟上方，使衬底与Sb2Te3粉末之间的垂直距离为1~50 mm；将所述石墨舟及衬底整体置于真空腔体中，抽真空至腔体压力≤1 Pa；加热衬底，加热Sb2Te3粉末，在衬底表面，沉积形成纳米片状结构的Sb2Te3热电薄膜。研究发现，适当增加衬底温度可显著改善成膜质量，促进晶粒生长并减少孔隙，从而提升载流子输运性能；同时，调控升华源温度可控制气相升华速率，获得单一相的纳米片状结构的Sb2Te3晶体结构。最终在Sb2Te3粉末的加热温度为450~650℃、衬底温度150~400℃条件下制备的Sb2Te3薄膜室温功率因子达9.8μW·cm‑1·K‑2且热导率低于0.7Wm‑1K‑1。
Resumen de: CN122461340A
本发明提供一种具有线粒体靶向性的铜掺杂西蓝花碳点纳米材料及其制备方法与应用，制备方法以天然植物西蓝花为原料，通过水热反应、冷却、离心、过滤、透析和冷冻干燥，从西蓝花中提取天然碳点，然后掺杂铜单质及线粒体靶向肽，得到具有线粒体靶向性的铜掺杂西蓝花碳点纳米材料（CC@SS31）。通过本发明制备方法制备得到的具有线粒体靶向性的铜掺杂西蓝花碳点纳米材料具有粒径小、低毒性、生物相容性好的优点，以及良好的抗氧化、抗炎和线粒体靶向的能力，有望用于治疗炎症性肠病。
Resumen de: CN122462049A
本发明公开了一种检测头孢哌酮钠的类过氧化物酶活性钴掺杂碳点，属于碳点纳米材料技术领域。本发明以维生素B12和二乙烯三胺为原料，通过一步水热法制备得到钴掺杂类过氧化物酶活性碳点，表现出了优异的类过氧化物酶活性，对过氧化氢（H2O2）表现出较高的亲和力。通过类芬顿反应机理，该碳点可以在酸性条件下催化H2O2产生羟基自由基（·OH）。基于头孢哌酮钠与活性氧的特异性反应影响显示底物颜色的变化的原理，该钴掺杂碳点可作为检测试剂用于头孢哌酮钠的比色分析。
Resumen de: CN122461488A
0001 本发明公开了一种纳米载体结合荧光信号放大技术监测抗肿瘤过程中酶标志物的空间变化的方法及应用，属于生物医学工程与纳米医学交叉领域。本发明利用简单易合成金属有机框架ZIF‑8作为多功能纳米载体，成功实现了化疗药物阿霉素和DNA分子探针的共递送。本发明实现了脱嘌呤/脱嘧啶核酸内切酶1在DOx治疗过程中的亚细胞器水平迁移行为的实时追踪，评估DOx治疗效果提供了可靠的技术平台，为筛选和优化DOx相关治疗药物建立了新的评价体系，在活体水平验证了通过肿瘤部位荧光强度的变化具有早期预测14天后治疗效果的功能。本发明也为其他疾病标志物的检测和治疗评估提供了新的技术参考，具有广阔的应用前景和重要的科学意义。
Nº publicación: CN122464440A 28/07/2026
Solicitante:
杭州正和纳米科技有限公司
Resumen de: CN122464440A
本发明提供了一种PU弹性体用纳米碳酸钙的制备方法及其应用，步骤如下：S1、将石灰石在950‑1050℃下煅烧6‑8h，粉碎后得到氧化钙，加入去离子水进行消化反应，得氢氧化钙乳液；经除渣、陈化后备用；S2、向乳液中加入三元复合晶型控制剂，通入二氧化碳气体进行碳化反应，pH降至7.0‑7.5时停止通气，得纳米碳酸钙初始浆料；S3、将浆料板框压滤，得湿滤饼，加入其质量3‑5倍的无水乙醇，搅拌后再次压滤，得纳米碳酸钙滤饼；S4、将滤饼分散于无水乙醇中，加入反应型超支化聚酯硅烷偶联剂与蓖麻油酸锌，恒温搅拌反应2.5‑3.5h；S5、将改性后浆料板框压滤，滤饼经洗涤、真空干燥、气流粉碎并分级后，得到成品。本发明可解决纳米碳酸钙在PU弹性体中分散性差、界面结合弱的问题。
BOPI
Sede Electrónica
