Resumen de: WO2026176188A1
A method of performing atom lithography, the method comprises: forming a self-assembled monolayer comprising a plurality of SAM molecules by exposing a substrate surface to a plurality of SAM precursors, wherein the plurality of SAM precursors comprise a backbone having: a surface attachment moiety (SM) at or proximate to an end of the backbone and configured to attach the SAM precursor to a substrate when forming a self-assembled monolayer; a cleavage moiety (CM); and an electron directing moiety (EDM) comprising a dipole; and directing a source of metastable atoms (100) at the self-assembled monolayer (Figure 1b), transferring energy from the metastable atoms to the self-assembled monolayer (Figure 1c) to break a bond within the cleavage moiety of at least one of said one or more SAM molecules such that part of the one or more SAM molecules is removed to provide a modified self-assembled monolayer (Figure 1d), wherein the modified self-assembled monolayer comprises one or more broken SAM molecules attached to the substrate surface, and wherein preferably one of the following conditions may be satisfied, either wherein the cleavage moiety (CM) comprises the electron directing moiety (EDM) or wherein the electron directing moiety (EDM) and the cleavage moiety (CM) are distinct.
Resumen de: US20260248953A1
0000 A method of treating cancer cells to achieve apoptosis including contacting the cancer cells with a porous particulate nanocomposite in an amount sufficient to kill the cancer cells. The porous particulate nanocomposite contains a magnetic nickel ferrite (NiFe<2>O<4>) having an inverse spinel crystal structure; and, monodisperse spherical silica (Sil) particles onto which the magnetic NiFe<2>O<4 >is dispersed. The nanocomposite is functionalized with cis-diammine (cyclobutane-1,1-dicarboxylate-O,O′)platinum(II) (carboplatin or Carbpt) and folic acid (FA). The cancer cells are cells of colon cancer, colorectal cancer and/or cervical cancer.
Resumen de: US20260251968A1
0000 A method is provided. The method includes: generating light by a plasma of a light source of a semiconductor processing tool; generating patterned light by a mask assembly, the patterned light including the light reflected by a pattern of the mask assembly; during generating the patterned light, protecting the mask assembly by a pellicle assembly including a pellicle membrane, the pellicle membrane including a nanotube-based scaffold structure having nanotubes bound together by a capping layer; and performing a semiconductor process on a semiconductor wafer by the patterned light.
Resumen de: US20260251641A1
Various embodiments disclosed relate to a sensor assembly probe for determining enzymatic activity. The sensor assembly probe includes an aqueous medium including one or more fluorescent hydrophobic semi-conductive nanoparticles dispersed therein. The assembly further includes an ionic polymer coating at least a portion of a surface of the one or more fluorescent hydrophobic semi-conductive nanoparticles. The assembly further includes a substrate for an enzyme, the substrate disposed between at least two of the one or more fluorescent hydrophobic semi-conductive nanoparticles, the substrate including at least ionic group.
Resumen de: WO2026174646A1
Provided are a new venom polypeptide-dendrimer complex, and a preparation method therefor and the use thereof. Specifically, provided is a scorpion venom polypeptide, wherein the amino acid sequence of the scorpion venom polypeptide is FLGGLLSSIF. A new scorpion venom polypeptide (designated as C9) is isolated and identified. Moreover, a new polypeptide-polyamidoamine dendrimer complex G5C9 (i.e., nanoparticles) having a glioblastoma (GBM)-targeting effect is constructed. Compared with polypeptide C9, G5C9 exhibits significantly improved cellular uptake efficiency. G5C9 can enter cells via endocytosis and targets lysosomes, and inhibits lysosomal function and mTORC1, thereby promoting nuclear translocation of TFEB and further inducing autophagic cell death. Therefore, G5C9 provides a new targeted anti-GBM approach both in vitro and in vivo.
Resumen de: EP4796497A1
0001 The present invention discloses a process for preparation of de-agglomerated carbon nanotubes (CNTs) in powder form. The present invention also discloses a process of preparing negative grid/electrode of a lead acid cell coated with de-agglomerated carbon nanotubes and a lead acid cell comprising negative electrode coated with de-agglomerated carbon nanotubes. The deagglomerated CNTs also can be employed as conductive, thermal and mechanical additive in various other applications such as Li-ion electrodes, polymer composites, concrete admixtures, conductive inks, conductive paints etc.
Resumen de: TW202511452A
The present invention provides a method for producing a nanocrystal composition comprising an inorganic ligand via a one-pot synthesis. The present invention also provides nanocrystals comprising novel inorganic ligands and the use of these nanocrystals. The present invention further provides the use of the novel inorganic ligands in the preparation of nanocrystals.
Resumen de: CN121732811A
The invention discloses a preparation method of a large powder titanium alloy return scrap sintered part, and belongs to the field of powder metallurgy titanium alloys. The method comprises the following steps: by taking coarse powder return scrap generated by atomization powder preparation as a raw material, calculating the proportion of powder with different oxygen contents, mixing, filling into a cylindrical sheath formed by rolling and welding a titanium alloy plate, and carrying out vacuum sintering to obtain a preformed blank; placing the preformed blank in the center of a larger-size sheath, filling powder around the preformed blank, and performing vacuum sintering again; and the nested sintering process is repeated, the size is increased layer by layer, and finally the large powder titanium alloy return scrap electrode is prepared. The process is simple, the cost is low, hot isostatic pressing equipment is not needed, efficient recycling and reusing of the titanium alloy coarse powder can be achieved, the method is suitable for cyclic utilization of the 3D printing waste powder, and remarkable economic and environmental benefits are achieved.
Resumen de: CN122625467A
本发明提供了一种以废旧电池石墨为原料制备增碳剂的工艺方法和系统,步骤1:将废旧电池拆解,通过黑粉酸浸得到石墨渣和负极片破碎筛分获得负极粉;步骤2:将所述负极粉依次进行水洗、过滤、烘干,得到第一高纯度石墨粉;步骤3:将所述石墨渣依次进行加入强酸进行酸浸、酸浸后的水洗、焙烧,得到第二高纯度石墨粉;步骤4:将所述第一高纯度石墨粉和所述第二高纯度石墨粉加入粘合剂进行造粒,得到增碳剂。本发明通过分别处理负极粉和石墨渣的联合工艺,将原本废弃的石墨渣和负极粉转化为高纯度石墨粉,实现了废旧电池负极石墨的全组分利用,避免资源浪费。
Resumen de: CN122629518A
0001 本公开提供一种负载型铱氧化物催化剂及其制备方法、质子交换膜水电解阳极和质子交换膜水电解槽,该催化剂包括复合载体和贵金属组分;所述复合载体包括Ce掺杂的Ti<6>O<11>;所述贵金属组分包括铱氧化物。本公开提供的催化剂在PEMWE工艺中具有更优异的催化性能。
Resumen de: CN122629663A
本发明公开了一种电响应纳米纤维复合膜及其制备方法和应用,制备方法包括:将金属有机骨架材料UiO‑66真空干燥和研磨,将得到的UiO‑66粉末溶于N,N‑二甲基甲酰胺中,超声处理,使其分散均匀;将PVDF粉末溶解于其中,搅拌至完全溶解后加入丙酮,得到静电纺丝前驱体溶液;将所述静电纺丝前驱体进行静电纺丝,得到PVDF/金属有机骨架复合纳米纤维膜;再经干燥和退火处理,得到电响应纳米纤维复合膜。所述复合膜兼具高柔性、高比表面积、优异压电响应性和声‑电转换效率,解决了传统有机压电材料β相含量低、力电耦合效率差的问题;复合膜在柔性压电传感器、声波探测器、水听器及可穿戴声电设备等领域具有广阔应用前景。
Resumen de: CN122624519A
0001 本发明属于生物医药技术领域,具体涉及一种具有肝纤维化防治一体化功能的纳米硒复合物及其制备与应用。所述制备方法为:将牛血清白蛋白与亚硒酸钠混合,在谷胱甘肽还原作用下生成单质硒,经透析超滤得BSA‑Se,随后在Tris‑HCl缓冲液中与盐酸多巴胺避光反应,得到纳米药物BSA‑Se@PDA(BSP)。该合成方法工艺简单、操作便捷、可重复性好;BSP稳定性高、生物相容性好,能有效清除活性氧,抑制肝星状细胞活化,从而显著缓解肝纤维化;同时,在纤维化前阶段的酒精性肝损伤中也表现出良好的保护作用,实现了对肝纤维化“源头干预”与“病理过程调控”的双重治疗功效,为酒精性肝病及肝纤维化的治疗提供了全新的纳米制剂和干预策略。
Resumen de: CN122629522A
本发明涉及一种MOF修饰的钴基双金属催化剂及其制备方法,所述制备方法通过水热自生长的方式在泡沫镍上原位生长Co、M双金属纳米线(M=Cu、Fe、Mn、Ni),再经低温退火、MOF生长、低温退火的方式构建得到所述催化剂;以CoCuO@NC/NF为例,Co、Cu双金属氧化物与NC结构形成了均匀的异质结构,增大了电极材料与电解液的固液两相接触面积以及电化学氧化还原反应中的电荷转移过程,本发明所述催化剂晶格氧占比提高9%,增加反应活性位点;本发明还涉及CoCuO@NC/NF催化剂作为工作电极在催化HMF转化为FDCA中的应用,在1.40V下HMF转化率99.9%、FDCA产率96.1%和法拉第效率96.3%;FDCA的法拉第效率在连续6次循环中仍然保持在95%以上,本发明为高效MOF基双金属催化剂的理性设计提供理论指导。
Resumen de: CN122628755A
本发明公开了一种酰胺基功能化石墨炔量子点在制备二维钙钛矿太阳能电池中的应用,属于光伏器件技术领域。所述酰胺基功能化石墨炔量子点同时含有酰胺基和羟基;所述酰胺基功能化石墨炔量子点的粒径为1~4nm;所述酰胺基功能化石墨炔量子点通过掺入二维钙钛矿光吸收层中来制备得到二维钙钛矿太阳能电池。本发明通过构建一种兼具结构调控与功能化修饰的纳米材料,实现对钙钛矿光吸收层晶体生长取向、载流子传输行为以及薄膜稳定性的协同优化,从而显著提升光伏器件的整体性能。
Resumen de: CN122629526A
0001 本发明公开了一种Mo调控的泡沫镍自支撑双相异质结催化剂及其制备方法及其在电解水制氢中的应用。本发明采用一步水热法,以泡沫镍为导电基底,以六水硝酸镍、二水钼酸钠和硫脲分别作为Ni源、Mo源和S源,在泡沫镍表面原位生长得到Mo调控的Ni<3>S<2>/Ni<9>S<8>双相异质结催化剂。该催化剂具有均匀的纳米片状结构,Ni<3>S<2>和Ni<9>S<8>之间形成丰富的异质界面,可有效暴露活性位点并促进界面电荷传输;同时,Mo元素的引入能够调控镍基硫化物的电子结构,优化反应中间体吸附行为,并促进析氧过程中高活性NiOOH物种的生成。该催化剂表现出优异的双功能电催化性能,同时具备优异析氧反应和析氢反应活性及稳定性。
Resumen de: CN122638471A
0001 本发明公开了一种具有螺旋形貌的尖晶石型高熵氧化物负极材料及其制备方法和应用。该负极材料的化学组成为(CrMnFeCoNi)<3>O<4>,晶体结构为尖晶石型;其微观形貌为螺旋结构,由纳米颗粒沿特定周期方向螺旋卷曲形成螺旋棒单元,多组螺旋棒单元组装成型,具有三维多级开放孔隙结构与弯曲型离子传输通道。所述螺旋结构的螺距为50~200nm,纳米颗粒粒径为5~20nm,三维多级开放孔隙的孔径为5~100nm。制备方法包括:将钴盐、镍盐、锰盐、铁盐和铬盐溶解于乙醇中,加入水杨酸和十六胺,经水热反应得到螺旋形貌前驱体,再经煅烧得到所述负极材料。该负极材料用于锂离子电池负极极片,能够有效缓解充放电过程中的体积膨胀,提高锂离子扩散动力学性能,在超大电流密度50A g<‑1>下循环13670圈,可逆容量为555mAhg<‑1>,容量保留率94%,表现出良好的倍率性能和循环稳定性,适用于动力、储能锂离子电池。
Resumen de: CN122629485A
本发明公开了一种缓蚀剂纳米片的制备方法及纳米片和应用,所述缓蚀剂纳米片为有机聚合物外层、负载咪唑缓蚀剂内层的多层核壳二维结构。制备通过刻蚀剥离得到二维过渡金属碳化物纳米片,经氧化改性、金属离子复合后负载有机缓蚀剂,再包覆有机聚合物制得核壳结构纳米片。该纳米片外层提升与有机涂层的亲和性,保障防护完整性;二维结构实现腐蚀介质物理阻隔的被动防护,聚合物层可触发缓蚀剂可控释放,实现主动防护,二者协同增效提升防护效果与长效性。其制备工艺简便,适配现有涂层加工体系,应用成本可控,适用于多种金属构件腐蚀防护,工业应用前景广阔。
Resumen de: CN122639737A
0001 本发明属于微纳材料领域,公开了一种Pd掺杂MnO<2>的碳质瓶状微马达及其应用。结果表明,Pd与MnO<2>的协同作用有效增强了材料的近红外光吸收能力和光热转换性能,丰富的氧空位进一步促进了局域热梯度的形成,使微马达在808 nm激光照射下表现出良好的自热泳运动行为。基于温度变化(ΔT)和运动速度变化(ΔV)构建的双信号响应模式,可实现5种有机酸的高效识别与精准区分。PCA结果显示,不同有机酸在各浓度条件下均具有良好的聚类分离效果,证明该平台具有较高的识别灵敏度和稳定性。相比传统单信号传感方法,本研究提出的静‑动态双信号策略有效提高了检测准确性与判别能力。
Resumen de: CN122624319A
0001 本发明提供一种亲水型氧化铈纳米颗粒及其分散液。亲水型氧化铈纳米颗粒包括氧化铈纳米颗粒内核以及包覆于其表面的亲水高分子化合物,氧化铈纳米颗粒中铈元素以Ce<3+>和Ce<4+>两种价态共存。亲水高分子化合物包覆于氧化铈纳米颗粒表面,可提高其在水相体系中的分散性和稳定性。本发明还提供亲水型氧化铈纳米颗粒的制备方法,可在水相体系、常温常压条件下进行,工艺温和,操作简便,所得亲水型氧化铈纳米颗粒具有良好的自由基清除能力、分散稳定性和氧化应激调控活性,可在水体系中形成稳定分散液,并在细胞和动物氧化应激模型中表现出较好的抗氧化及组织保护作用。本发明还提供亲水型氧化铈纳米颗粒或其分散液在抗氧化、氧化应激调控及相关制剂中的应用。
Resumen de: CN122628322A
0001 本发明公开了一种多色发光聚硅氧烷量子点及其微波辅助合成方法,该量子点以Si‑O‑Si交联结构为骨架,以sp<2>杂化碳域为发光中心,通过调控共轭域尺寸实现多色发光;该合成方法为:一、试剂与基底准备;二、前驱体预混与预水解;三、惰性氛围搭建;四、五段式微波程序反应;五、后处理与纯化。本发明的量子点以硅氧键为核心骨架,通过调控内部共轭域尺寸实现蓝光、绿光、橙光多色可控发射;该合成方法利用高温脉冲工序精确调控量子点内共轭域尺寸,实现发射波长的定量调控,并利用微波体加热效应实现快速合成,提高了合成效率,且工艺简单,合成的量子点兼具良好的生物相容性与化学稳定性,适用于生物荧光标记、光学器件、传感检测等领域。
Resumen de: CN122629529A
本发明公开了一种用于酸性介质CO2还原制多碳产物的高性能多孔氢键网络催化剂及其制备方法,涉及电催化与碳中和技术领域。所述催化剂为氟修饰的氢键有机框架负载铜活性中心的复合材料,由N,N',N'‑四(对氨基苯基)对苯二胺与2‑氟苯甲酰氯经反应得到氟修饰的氢键有机框架MTHOF‑2‑F,再通过湿浸渍法吸附铜离子、低温活化后得到MTHOF‑2‑F@Cu。该催化剂在酸性电解液中催化CO2还原生成含有两个以上碳原子的有机产物。实验结果表明,在pH=1.5的酸性介质中,C2+产物法拉第效率达75%以上,C2+偏电流密度达619.5 mA·cm‑2,C2/C1比值达9.71。
Resumen de: CN122627455A
0001 本发明属于催化剂载体技术领域,具体涉及一种高强度氧化铝载体球及其制备方法,取插层改性剂溶液,升温后同时向其中加入硝酸和偏铝酸钠溶液,体系的pH维持6.5~6.8,搅拌反应后,调节体系的温度和pH,老化后过滤,取沉淀物洗涤、干燥,得拟薄水铝石;将拟薄水铝石分散在去离子水中,搅拌,加入稀酸,搅拌得铝溶胶;加入六次甲基四胺溶液,采用油柱成型的方法制备凝胶球,烘箱老化后洗涤、干燥、焙烧得到氧化铝载体球。本发明中在制备拟薄水铝石的过程中,加入插层改性剂,最终形成纤维状介孔结构的拟薄水铝石,有利于提高氧化铝载体球的强度,耐磨性更好。
Resumen de: CN122638475A
本发明公开磷酸锰铁锂材料的制备方法。本发明通过分阶段pH调控处理锰铁前驱体A,有效消除了前驱体中的结构缺陷和无定形成分,促进了更稳定、均匀的磷酸锰铁前驱体物相(B)的形成;通过多阶段烧结工艺设计,显著提升材料的循环稳定性,抑制锰溶出和结构退化,优化材料的导电网络和离子扩散通道,改善材料在后续加工过程中的分散性,确保极片质量,最终获得具有高压实密度、高放电比容量和长寿命的LMFP正极材料。
Resumen de: CN122627420A
本发明涉及纳米酶技术领域,具体公开一种铁离子掺杂碳基纳米酶及其制备方法和应用。本发明先通过酚醛树脂预聚体与三嵌段共聚物胶束之间的氢键相互作用,形成核‑壳复合胶束,经水稀释调控获得单分散球形复合胶束,再引入铁盐利用酚羟基与Fe3+的配位作用实现分子级均匀负载,再经水热固化和高温碳化制得铁离子掺杂碳基纳米酶,该方法有效避免了铁物种团聚和孔道堵塞的问题,实现了混合价态铁氧物种在富孔碳骨架中的高分散嵌入。所得纳米酶兼具高效近红外光热转化性能和pH响应性类过氧化物酶活性,在感染部位弱酸性微环境(如pH5.5)中可被选择性激活,而在正常生理环境下活性极低,兼具优异杀菌效力与生物安全性。
Nº publicación: CN122627422A 25/08/2026
Solicitante:
天津连灿生物科技有限公司
Resumen de: CN122627422A
本发明属于纳米生物材料与化妆品功效原料技术领域,公开了一种积雪草来源碳点及其制备方法和在化妆品中的应用,所述积雪草来源碳点的制备方法,包括以下步骤:步骤1,以积雪草提取物为碳源、尿素为氮源,进行水热碳化反应得到反应液;步骤2,将步骤1得到的反应液进行超滤纯化及冷冻干燥,得到积雪草来源碳点。所述积雪草来源碳点可穿透角质层实现真皮层深度递送,对胶原基质形成保护。