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359
results.
Updated on
24/10/2026 [08:06:00]
Results 25 to 50 of 359
Absstract of: CN122916121A
本发明公开了一种基于表面原位修饰的SiO2@C复合材料及其制备方法和应用。该复合材料的制备方法包括：碳材料表面氧化处理后清洗干净，得碳基体；将硅烷偶联剂与分散剂溶解于混合溶剂中，加入碳基体进行接枝反应，反应结束后经固液分离和洗涤，得复合材料前驱体；将复合材料前驱体干燥后以程序升温法进行SiO2原位生长，即得。该复合材料通过在碳基体表面原位形成的SiO2纳米涂层，在显著优化其SEI层特性的同时，还大幅提高材料对钾离子的吸脱附能力，基于该材料所制备钾离子二次电池首次库伦效率达84.1%，500 mA g‑1下容量212.7 mAh g⁻¹，循环400次容量保持率70.9%。全电池在200 mA g⁻¹下循环600次容量保持率90%，展现出优异的综合性能。
Absstract of: CN122930860A
本发明涉及一种硫酸铁钠正极材料及其分级研磨干法制备工艺。本发明制备工艺包括：首先，将铁源、钠源和碳源按比例加入球磨机中进行一级粗磨，通过大尺寸介质的高冲击力和机械力化学作用，实现碳源的预包覆；然后，将粗磨料移至干法砂磨机中进行二级精磨，通过小尺寸介质的高剪切力进行精细化研磨，将颗粒尺寸降低至亚微米级，并进一步均匀化碳包覆层；最后经烧结、粉碎分级、除磁等工序，得到硫酸铁钠正极材料成品。本发明能够大幅缩短了研磨时间、降低了球料比和设备磨损，有效解决了碳源上浮问题，显著提升了产量，降低了材料成本，制得的硫酸铁钠正极材料克容量可达90‑95 mAh/g，具有良好的电化学性能和循环稳定性，易于规模化生产。
Absstract of: CN122930906A
本发明公开了含锂磷酸盐正极材料、制备方法及应用，所述含锂磷酸盐正极材料的大孔的孔体积占总孔体积的60%‑85%，其中，所述总孔体积为孔径2‑5000nm的孔的体积之和，所述大孔的体积为孔径200‑5000nm的孔的体积之和。本申请中含锂磷酸盐正极材料大孔的孔体积占总孔体积的60%‑85%，大孔作为锂离子快速运输的主干道及电解液的储存库，大孔的孔容占比在该范围内利于锂离子的快速运输、并具有足够的储液空间，可提升材料低温容量保持率。
Absstract of: CN122916115A
本申请提供一种岩藻多糖衍生碳点及其制备方法和应用，属于生物医药技术领域。所述衍生碳点以岩藻多糖为碳源，通过水热法制备得到，为球形纳米颗粒，平均直径为1‑6nm，形貌高度为5‑15nm，晶格间距为0.20‑0.28nm，表面含有磺酸基官能团，具有π‑π共轭结构和光致发光特性。所述碳点可有效降解α‑突触核蛋白纤维并抑制其异常聚集，降低β‑折叠结构含量，同时通过降低细胞内ROS水平和保护线粒体膜电位发挥神经保护作用，用于制备治疗帕金森病、路易体痴呆等突触核蛋白病的制剂。
Absstract of: CN122912061A
本发明涉及医药技术领域，具体涉及一种黄精碳纳米粒及其制备方法与应用。本发明成功构建了一种黄精碳纳米粒的制备方法，采用本发明方法制备得到的黄精碳纳米粒具备优异的体外抗氧化能力、生物安全性以及明确的保肝活性，可通过“代谢调节‑抗氧化防御‑线粒体保护”多途径协同实现保肝作用，显著预防酒精诱导的肝细胞损伤。本发明为解析黄精炮制过程中纳米活性物质的生成规律、开展中药炮制纳米机制研究提供了实验与理论支撑，并为开发新型低毒、高效保肝中药纳米制剂提供了全新研发思路。
Absstract of: CN122916113A
本发明属于材料科学与环境技术领域，涉及生物质废弃物资源化利用及纳米材料制备。传统碳点制备方法依赖化学前驱体，存在工艺复杂、成本高、环境污染及产物性能不足等问题，而现有的生物质碳化技术效率低、碳点粒径不均、荧光量子产率低。以菠萝皮为原料，通过预处理、微波辅助碳化、复溶醇沉、纯化透析及干燥等步骤，制备高性能碳点。其具有包括绿色高效、利用菠萝皮废弃物等有益效果，微波碳化能使耗降低且缩短反应时间，还具有一定的优异性能，如荧光性能、抗氧化性、保鲜性等，还有广泛的应用性质，所得碳点可应用于生物医学成像、环境污染物检测、光催化降解及食品保鲜等领域，兼具环保性与高附加值。
Absstract of: CN122916126A
本发明公开了一种动力锂电池用高压实人造石墨负极材料的制备方法。煅后针状焦粉与第一沥青热造粒后，在850～950℃预碳化以固定二次颗粒接触颈；使预碳化颗粒与5%～15%二氧化碳/惰性气体接触，并以0.40%～1.20%的烧失量控制受限气化终点；随后于2850～3050℃石墨化，再以1.0～2.0质量份第二沥青进行低剂量回封和碳化。该顺序在保持二次颗粒强度和粉体压实的同时，开通一次颗粒间传输通道，并以表面回封抑制比表面积和首圈副反应，适于制备兼顾体积能量密度、快充和循环性能的动力锂电池负极材料。
Absstract of: CN122917810A
本发明属于水热炭技术领域，公开了一种水热炭一步法转化装置及工艺，包括以下步骤：S1：将固态生物质原料粉碎至40‑200目，与水按固液比1:5‑1:20混合；任选地加入原料质量0‑5%的表面活性剂和/或0‑5%的金属盐改性剂；S2：将所述浆料泵入密闭反应釜中，以2‑10℃/min的升温速率加热至180‑300℃；反应过程中控制体系pH值为4‑6；S3：保温结束后，以5‑15℃/min的速率降温至100‑150℃，恒温处理0.5‑2小时；S4：反应结束后排出物料，经固液分离、洗涤、干燥，得到负载碳量子点的水热炭复合材料。本发明通过在同一反应器中集成pH调控的碳量子点原位生成与程序降温的官能团定向保留，实现了一步法制备表面性质可调控的负载碳量子点功能化水热炭，显著简化工艺、降低能耗并提升产物功能性。
Absstract of: CN122916114A
本发明公开了一种碳点、碳点溶液、碳点薄膜及其制备方法、应用。该碳点的制备方法包括如下步骤：将包括羧酸、含氨基的有机化合物和溶剂的混合物进行微波加热；其中，羧酸和含氨基的有机化合物的摩尔比为1:(0.3‑1.6)。本发明提供的碳点具有优异的紫外线吸收性能，进一步制得的碳点薄膜具有较高的紫外屏蔽效果和较高的可见光透过率，实现了采用一种安全的非侵入性方法即可保护艺术品颜色免受紫外线诱导的降解的效果；且原料广泛廉价，制备方法简单高效、稳定易控，具有开发前景和应用潜力。
Absstract of: CN122916201A
本发明公开了一种炭包覆ZnS纳米线的一步水热合成法，以硝酸锌、硫脲为前驱体，炭纳米管为模板与碳源，乙二胺为溶剂，通过控制反应温度、时间及填充度，直接制备出具有均匀炭包覆层的ZnS纳米线。该方法工艺简单、成本低，所得产物在光催化及锂离子电池负极材料中具有应用潜力。
Absstract of: CN122916117A
本发明属于碳量子点技术领域，具体涉及一种山莓叶衍生碳点及其制备方法和应用。一种山莓叶衍生碳点的制备方法，包括以下步骤：S1、在粉碎后的山莓叶中加入溶剂，超声，反应，反应结束后，过滤，透析，冻干，得到初始山莓叶CDs；S2、将初始山莓叶CDs溶解，加入萃取剂进行萃取，收集萃取液；S3、将萃取液进行过柱纯化，筛选纯化得到的组分，得到所述山莓叶衍生碳点。本发明首先利用一步水热制备山莓叶碳点，后通过试剂分离，硅胶柱纯化的手段将山莓叶碳点的抗菌性能提高了10倍，且拓宽了抗菌谱。系统研究了其抗菌机制，并评估了其体内毒性和生物相容性。为废弃物山莓叶的高值化利用开辟了新的道路。
Absstract of: CN122916130A
本申请提供了一种量子金刚石的制备方法，包括：将含氮金刚石置于第一压力、第一温度的环境中维持第一时间段，以修复含氮金刚石中的晶格缺陷，得到第一状态金刚石；将第一状态金刚石置于第二压力、第二温度的环境中维持第二时间段，以打散第一状态金刚石内部的聚合态氮，并将聚合态氮转化为孤立替位氮，得到第二状态金刚石；对第二状态金刚石进行电子辐照，以引入碳原子空位，得到第三状态金刚石；对第三状态金刚石进行退火处理，驱动碳原子空位与孤立替位氮结合形成NV色心，得到量子金刚石；其中，第一压力低于第二压力，且第一温度低于第二温度。
Absstract of: JP2022019698A
To provide very small nanoparticles expected to be utilized in the fields, e.g., of catalytic and medical applications, a very small nanoparticle solution and a production method capable of efficiently producing the very small nanoparticles.SOLUTION: A method for producing very small nanoparticles comprises a spark discharge step where repeated spark discharge having a peak current of 80 A or higher, 100 A or higher or 125 A or higher to a space between a pair of electrodes in a liquid to form very small nanoparticles having average particle diameter of 2 nm or lower using the electrodes and/or the liquid as material in the liquid, thus a very small nanoparticle-containing liquid comprising the very small nanoparticles is obtained.SELECTED DRAWING: Figure 1
Absstract of: US20260317794A1
0000 Described herein is a one-pot, four-enzyme cascade of enzymes, three bound to quantum dots with one enzyme free in solution, for the conversion in vitro of fumarate to 1,3-diaminopropane. The cascade operates via two distinctly different enzymatic channeling mechanisms which simultaneously function to increase the overall rate. The first three enzymes of the pathway (AspB→LysC→Asd) were able to engage in channeling in a nanoparticle displayed format, but addition of the last two enzymes to this pathway in this format (AspB→LysC→Asd→Dat→Ddc) did not result in complete channeling through the entire pathway to the final diaminopropane product. Surprisingly, replacement of the last two enzymes (Dat→Ddc) with a naturally occurring fused Dat-Ddc hybrid (Daba) provided for full channeling in this system (AspB→LysC→Asd→Daba).
Absstract of: WO2026213670A1
The present invention describes a material comprising at least one perovskite species, wherein the properties of said material are adjusted in accordance with the desired application, being used in electromechanical systems and devices on micrometric or nanometric scales. The present invention further allows the material to comprise different perovskite species combined with each other and/or with other components, which add equivalent or complementary properties to the material. The present invention pertains to the fields of chemistry, nanotechnology, materials engineering, electronic engineering, micro/nanoelectronics and sensors.
Absstract of: US20260315621A1
0000 A nano-size controllable and stable polymer-drug conjugate, an intermediate thereof, and a use thereof. Provided is a polymer-drug conjugate as represented by formula (I) and having different polymer bodies, a controllable coupled group quantity, controllable group coupling sites and a controllable nano-size. The drug conjugate has one or more of the following advantages: a low renal clearance rate, a low liver-spleen clearance rate, long plasma half-life, strong drug accumulation capability at lesion tissues, strong drug permeability at lesion tissues, low toxic and side effects, and an excellent treatment effect.
0000
Absstract of: US20260315629A1
An MRI contrast delivery system includes nanoparticles that are each equipped with targeting peptides for CCR2 receptors and an MRI contrast moiety. These components are conjugated to the nanoparticles, which are made from hydrophobic lipids. This design enables the nanoparticles to “hitchhike” on monocytes, leveraging their natural migration pathways to efficiently target metastatic lymph nodes (LNs). This targeted delivery approach significantly enhances the specificity and sensitivity of the MRI signals, improving the imaging of metastatic sites and potentially aiding in more accurate diagnosis and assessment of cancer progression.
Absstract of: US20260317569A1
0000 An ink composition containing a quantum dot, the ink composition including a silsesquioxane polymer having the quantum dot copolymerized with silsesquioxane or a silsesquioxane polymer having the quantum dot copolymerized with alkoxysilane. The ink composition contains reliable quantum dots in which quantum dots at a high concentration can be dispersed without agglomeration.
Absstract of: AU2025308125A1
A process for synthesizing ammonia (NH3) with semiconductor nanoparticles is provided. The process involves production of ammonia (NH3) through photocatalytic reduction of nitrate (NO3 -) and nitrite (NO2 -) ions using indium phosphide (InP) quantum dots (QDs) under visible light irradiation. The process utilizes InP QDs as an effective photocatalyst, 5 achieving NH3 yields ~ 94% within 2 hours at room temperature. The process provides selective NH3 production with minimal by-products, effective operation at low substrate concentrations (down to 250 μM), and reduced toxicity compared to traditional quantum dot materials. The process not only addresses the environmental concerns associated with nitrate pollutants but also contributes to sustainable ammonia production, making it suitable for 0 applications in energy and water remediation sectors.
Absstract of: AU2025374772A1
In accordance with at least one aspect of this disclosure, there is provided a small zwitterionic multimeric targeted anti-cancer drug which effectively addressed tumor cell heterogeneity and off-target/non-specific binding and uptake. The small zwitterionic multimeric targeted anti-cancer drug includes a nexus, three different targeting ligands conjugated to the nexus, a payload of a zwitterionic diagnostic or therapeutic agent, and zwitterionic flexible linkers connecting each of the three different targeting ligands and the pay load to the nexus.
Absstract of: WO2026215909A1
The present invention relates to a biochip, system and method for rapid identification of biomarkers and pathogens. The said device comprises a PCB- mounted biochip, a set of signalling probes in solution, an ultra-compact electronic detector, and a display device. The said PCB-mounted biochip constitutes a plurality of electrode pairs and immobilized capture probes at the channels between two electrodes. The mechanism behind the detection of the target biomolecules is based on a change in electrical properties due to the formation of a complex between capture probes, target biomolecules, and signalling probes. The amplification of the signal is carried out using multi-walled carbon nanotubes, as a part of the signalling probes. The concentration determination of the target biomolecule is achieved by the ultra-compact electronic detector and displayed using the display device. The sensor device in the present invention is capable of detecting the target biomolecules ranging between 1fM and 1µM.
Absstract of: US20260318859A1
A nanocomposite, a method of its preparation, and a method of detecting the presence of a pesticide in a sample. The nanocomposite includes 30 percent by weight (wt. %) to 65 wt. % titanium carbide nanosheets with alkylammonium ions disposed on the surface of the nanosheets, 30 wt. % to 65 wt. % nickel oxide nanoparticles, and 2 wt. % to 15 wt. % porous carbon-containing biochar, each based on the total weight of the nanocomposite.
Absstract of: WO2026217654A1
A method of placement of one or more nanostructures, which comprise self-assembled nucleic acids, and which are formed into a predetermined conformation, on a surface of a metal includes providing the metal, which includes an oxidized surface, depositing the one or more nanostructures on the oxidized surface of the metal from a liquid in contact with the oxidized surface and in which the one or more nanostructures are suspended.
Absstract of: US20260319029A1
0000 A nanomagnetic sticker is disclosed. The nanomagnetic sticker includes a base layer and an adhesive layer located on a first side of the base layer. The nanomagnetic sticker also includes a print layer located on a second side of the base layer, the print layer comprising patterned ink. The nanomagnetic sticker further includes a plurality of nanomagnetic particles embedded in at least one of the adhesive layer and the patterned ink.
Nº publicación: WO2026217635A1 15/10/2026
Applicant:
THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND [US]
THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND
Absstract of: WO2026217635A1
Transmissive optical metasurface devices are provided which may comprise a pixel array comprising pixels, each pixel comprising metasurface elements that comprise a phase transition material, the metasurface elements having subwavelength dimensions and arranged according to a metasurface pattern configured to couple with light at an operating wavelength; and a heater array operably coupled to the pixel array, the heater array comprising resistive heaters, wherein a resistive heater of the heater array corresponds to an associated pixel of the pixel array and is configured to induce a phase transition in the phase transition material of the associated pixel's metasurface elements upon application of an electrical bias to the resistive heater.
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