Alerta

QUANTUM DOT, LIGHT-EMITTING MODULE AND METHOD FOR SYNTHESIZING QUANTUM DOT

Absstract of: 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.

QUANTUM DOT COMPOSITION AND QUANTUM DOT LIGHT-EMITTING DEVICE

Absstract of: 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≤0.4 eV and ΔE>0.4 eV, and the second quantum dot satisfies 0<ΔE≤0.4 eV and ΔE>0.4 eV.

COMPOSITE MATERIAL, PREPARATION METHOD THEREOF AND PHOTOELECTRIC DEVICE

Absstract of: 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.

GRAPHENE SLURRY AND METHOD FOR THE FABRICATION OF A FLEXIBLE THERMOELECTRIC GENERATOR THEREFROM

Absstract of: 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.

LIPID PARTICLE COMPOSITIONS AND METHODS OF USE THEREOF

Absstract of: 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.

SEMICONDUCTOR DEVICE WITH MULTI-THRESHOLD GATE STRUCTURE

Absstract of: 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.

VITAMIN B12 MODIFIED MONOMER, VITAMIN B12 MODIFIED NANOGELS, METHODS OF THEIR SYNTHESIS AND USE IN TARGETED DRUG DELIVERY

Absstract of: 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.

ELECTROCATALYST ELECTRODE AND MANUFACTURING METHOD THEREOF

Absstract of: 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.

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME

Absstract of: 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.

층 전사에 의해 획득되는 이중 초격자, 구조체 및 제조 공정

Absstract of: 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.

Cathode active material fabrication method of the same and secondary battery comprising the same

Absstract of: 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.

一种双金属催化剂及其制备方法和应用

Absstract of: CN122462063A

本发明公开了一种双金属催化剂及其制备方法和应用。本发明的双金属催化剂的组成包括Al2O3载体和负载的Ni‑X双金属颗粒，X选自Fe、Cu或Co。本发明的双金属催化剂的制备方法包括以下步骤：1）制备Al‑Ni‑X层状双金属氢氧化物；2）Al‑Ni‑X层状双金属氢氧化物的焙烧、研磨和还原。本发明的双金属催化剂具有活性金属呈原子级均匀分散、活性金属的粒径较小、比表面积大、流化性能优异等优点，其能够在较低温度下催化甲烷高效裂解生成高纯度氢气和石墨化程度高、纯度高于95%的碳纳米管，且适用于流化床连续反应体系，不易堵塞制氢反应器，适合进行大规模工业化生产和应用。

一种苯乙醇的制备方法

Absstract of: CN122466026A

本发明属于微生物技术领域，具体涉及一种苯乙醇的制备方法，本发明中采用发酵毕赤酵母，通过改进发酵培养液中的具体成分，在优化的发酵条件下进行培养，利用微生物的代谢作用将底物转化为目标产物苯乙醇。通过将十六烷酸和表没食子儿茶素没食子酸酯联合使用提高发酵毕赤酵母的耐受性；再将谷胱甘肽过氧化物酶纳米脂质体添加到发酵培养液中提供长效抗氧化保护，以提高苯乙醇的产量。

一种检测头孢哌酮钠的类过氧化物酶活性钴掺杂碳点

Absstract of: 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。

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

Absstract of: 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。

一种PU弹性体用纳米碳酸钙的制备方法及其应用

Absstract of: 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。

检测赛克嗪和/或硝磺草酮的双通道荧光试纸条及其制备方法和应用

Absstract of: CN122468679A

本申请公开了一种检测赛克嗪和/或硝磺草酮的双通道荧光试纸条及其制备方法和应用，该制备方法首次公开了能够同时检测赛克嗪和硝磺草酮的微流控双通道荧光试纸条的制备。上述制备方法通过微波法制备具有聚集诱导发光特性的碳点，以赛克嗪和硝磺草酮为双模板分子，结合硅烷溶胶‑凝胶反应构建聚集诱导发光碳点‑分子印迹聚合物复合材料，实现对目标除草剂的高选择性识别；进一步将该复合材料与蓝光碳量子点共同负载于纸基平台，构建双通道比率荧光检测体系，实现对目标物的可视化与定量分析。

一种构建酸/酶双驱动Janus纳米马达的制备方法及在肿瘤治疗中的应用

Absstract of: CN122461495A

本发明公开了一种酸/酶双驱动Janus纳米马达及其制备方法与应用。所述构建Janus纳米马达的方法包括以下步骤：步骤一，以TEOS为原料，通过环己烷和三乙醇胺辅助制备介孔二氧化硅；步骤二，通过浸渍法将POM装载到二氧化硅孔道中制备POM@SiO2；步骤三，通过皮克林法将碳酸钙半包覆到POM@SiO2的一侧制备PSC纳米马达。本发明利用肿瘤微环境中的酸性（pH 6.5‑6.9）和过氧化氢过表达特征作为内源性触发器：在酸性条件下，碳酸钙层分解产生二氧化碳微气泡提供气泡推进力；同时，多酸纳米酶催化过氧化氢产生羟基自由基，建立局部浓度梯度实现自扩散泳动。这种双重驱动机制赋予了纳米马达优异的肿瘤组织深层渗透能力，结合产生的活性氧自由基，实现了高效的化学动力学治疗。本发明具有生物相容性好、靶向性强、治疗效率高等优点。

镍钴双金属羟基氧化物电催化剂及其制备方法和应用

Absstract of: CN122466503A

0001 本发明公开一种镍钴双金属羟基氧化物电催化剂及其制备方法和应用。该催化剂以三维多孔碳毡为基底，通过镍层脉冲电沉积、钴前驱体水热生长及高温硒化处理，最后经阳极极化预活化，促使表层硒溶解并原位重构生成无定形金属羟基氧化物活性层。所述电催化剂具有独特三维纳米花结构。在应用方面，将该电催化剂作为工作电极，应用于两相连续流电催化醇氰化反应中，在包含碘源、氮源、氮氧自由基及吡啶类碱的体系内高效驱动醇类底物转化。本发明采用非贵金属，成本低廉且稳定性优异，实现对贵金属铂电极的替代。该方法在室温常压下运行，有效避免剧毒氰化试剂使用，具有高选择性、高收率、高能源利用效率以及优异工业化前景。

一种高分子核酸载体及其制备方法和应用

Absstract of: CN122466014A

0001 本发明涉及生物医用新材料技术领域，尤其涉及高分子核酸载体及其制备方法和应用。所述高分子核酸载体为羧基苄胺修饰的聚乙烯亚胺聚合物。所述高分子核酸载体在不同细胞中能够显著提高DNA和RNA的转染效率。并能够有效降低载体/核酸复合物的电荷密度，进而提高高分子载体的生物相容性。实验结果表明：PEI‑AMBA担载pGL3在HeLa细胞中的最佳转染效率是PEI的最佳转染效率的1000倍；PEI‑AMBA担载编码荧光素酶的mRNA的最佳转染效率是PEI的最佳转染效率的2000倍；且PEI‑AMBA的基因沉默效率高，PEI‑AMBA担载沉默荧光素酶的siRNA在HeLa‑Luc细胞的基因沉默效率达到92%。

一种镍离子掺杂的氟化物近红外二区长波发光纳米探针及其制备方法

Absstract of: CN122465581A

0001 本发明发光材料技术领域，尤其涉及一种镍离子掺杂的氟化物近红外二区长波发光纳米探针及其制备方法，其中，纳米探针包括以氟化物纳米晶体基质和作为发光中心的过渡金属镍离子，或以前述物质为壳层，外部包覆有惰性壳层或同质外延层所形成的核壳结构纳米探针。该探针实现了发射峰在1300nm至2150nm近红外二区长波波段内的宽范围调控；通过核壳结构设计与惰性壳层包覆，有效钝化了表面缺陷，显著提高了发光量子效率并实现了粒径的精确控制。本发明通过镍离子掺杂及晶体场调控策略，开发了非镧系的新型近红外二区长波发光材料；具有独特的双波长激发特性和宽带发射特征，在多通道生物检测与成像分析方面具有广阔的应用前景。

金属粒子

Absstract of: JP2026122096A

0001 【課題】少量の添加によって高粘度のペーストを作製することができる金属粒子を提供する。 【解決手段】金属粒子であって、大粒子と、大粒子の表面に形成され、大粒子よりも平均粒径が小さい小粒子と、を備え、大粒子と小粒子とは同じ材料によって形成されており、金属粒子の比表面積は１００ｍ<2>／ｇ以上かつ１０００ｍ<2>／ｇ以下であることを特徴とする。 【選択図】図１

一种花状Ni-BDC催化剂、制备方法及在UOR辅助制氢上的应用

Absstract of: CN122466510A

0001 本发明属于电催化技术领域，具体涉及一种花状Ni‑BDC催化剂、制备方法及在UOR辅助制氢上的应用。所述花状Ni‑BDC催化剂，以镍盐为镍源，以对苯二甲酸与2‑氨基对苯二甲酸混合物为复合配体，采用水/乙醇绿色溶剂，通过溶剂热法制备而成。所述催化剂呈微米级花球结构，由二维纳米片放射状堆叠而成，比表面积大，且实现了氮掺杂与花状形貌的兼容共存，‑NH<2>的给电子效应上调Ni活性中心d带中心。本发明制得的催化剂具有活性高、稳定性好、绿色环保、成本低廉等优点，可实现废水处理‑绿氢制备‑资源回收三联产协同增效，应用前景广阔。

负载去氢二异丁香酚的氨基介孔硅纳米材料的制备方法及其应用

Absstract of: CN122461496A

本发明涉及药物技术领域，尤其涉及负载去氢二异丁香酚的氨基介孔硅纳米材料的制备方法及其应用。本发明通过体外细胞实验，首次发现去氢二异丁香酚对 tau 蛋白微管结合重复区（tau‑RD）的异常聚集具有显著抑制作用。在此基础上，本发明进一步地采用氨基修饰的介孔硅纳米材料（MSN‑NH2）作为递送载体，显著改善去氢二异丁香酚水溶性差、分散性不佳、易氧化降解等缺陷，提升其体内稳定性与生物利用度。负载后的纳米系统可在生理环境下持续、平稳、可控地释放去氢二异丁香酚，并实现对脑组织及神经细胞的靶向富集与精准递送，提高病灶部位药物浓度，最终实现靶向抑制 tau 蛋白病理、发挥防治阿尔茨海默病的效果。

一种多酚-硅杂化纳米材料及其制备方法和应用

Nº publicación: CN122461559A 28/07/2026

Applicant:

西安交通大学

Absstract of: CN122461559A

本申请公开了一种具有抗氧化和促血管生成功能的多酚‑硅杂化纳米材料及其制备方法，属于纳米生物医药材料技术领域。本申请旨在解决传统聚多巴胺纳米粒因结构致密导致抗氧化活性位点暴露不足、以及无法同时兼具促血管生成功能的技术问题。本申请的方法包括：在无水条件下使盐酸多巴胺与含环氧基硅烷偶联剂进行开环反应制得有机硅氧烷前驱体，再将前驱体加入碱性缓冲液体系中，通过硅氧烷水解缩合与多巴胺氧化聚合的协同反应形成杂化纳米粒，分离后即得多酚‑硅杂化纳米材料。所得材料内部结构松散，抗氧化活性位点充分暴露，兼具高效自由基清除能力与促血管内皮细胞生长因子表达功能，能够在再生医学领域应用。