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320
results.
Updated on
14/09/2026 [07:44:00]
Results 125 to 150 of 320
Absstract of: CN122646900A
本申请提供一种改性三氧化钼及其制备方法、应用，改性三氧化钼的制备方法包括：提供三氧化钼前驱体，具有一维纳米带形貌，一维纳米带的长径比≥20；在还原性气氛中施加脉冲等离子体，在第一温度25℃~150℃下使前驱体活化；将活化的前驱体在含氨气和氮气的第一气氛下从第一温度以1℃/min~5℃/min升温至第二温度280℃~320℃，以进行反应30 min~90 min，制备中间体；通入流量为200 sccm~800 sccm且含氮气和氢气的第二气氛使中间体冷却。本申请提供的改性三氧化钼的制备方法，制备得到的改性三氧化钼可维持三氧化钼前驱体的一维纳米带结构，还具有α‑MoO3正交晶系骨架和适度氧空位。
Absstract of: CN122648321A
本发明公开了一种刺五加叶外泌体样纳米颗粒、制备方法及其应用，属于生物医药技术领域。本发明公开了一种刺五加叶外泌体样纳米颗粒的制备方法，主要采用蔗糖密度梯度超速离心法从刺五加叶片中获得刺五加叶外泌体样纳米颗粒。所得刺五加叶外泌体样纳米颗粒具有良好的稳定性、生物安全性及抗卵巢肿瘤活性。刺五加叶外泌体样纳米颗粒主要通过hvu‑miR6179靶向调控SLC7A11 mRNA，抑制System Xc‑/GPX4抗氧化防御轴，诱导铁死亡发生，从而发挥对卵巢癌细胞的抑制作用。该研究丰富了植物来源外泌体样纳米颗粒的功能活性研究内容，也为植物活性纳米颗粒通过miRNA介导调控细胞铁死亡相关研究提供了新的理论依据。
Absstract of: CN122644045A
本发明涉及纳米材料技术领域，具体公开了一种钛酸铋纳米材料及其制备方法、污水的处理方法。其中，钛酸铋纳米材料的制备方法包括：将氧化铋、氧化钛、氧化钬、氯化钠、氯化钾按照Bi:Ti:Ho:NaCl:KCl=（3.5~3.92）:（2.8~3.2）：（0.1~0.5）:（40~55）:（40~55）的摩尔比混合均匀，得到前驱体；将所述前驱体煅烧，得到中间品；将所述中间品中的氯化钠、氯化钾去除。实施本发明，可提升钛酸铋纳米材料的极性和压电响应，提升其压电‑光催化性能。
Absstract of: CN122649000A
0001 本发明公开了一种多尺度结构的泡沫镍阳极材料及其制备方法和应用，所述方法包括以下步骤：（1）采用飞秒激光对泡沫镍进行表面加工，在其表面构建微米级沟槽结构及纳米级粗糙结构；（2）对加工后的泡沫镍进行酸洗处理，去除重铸层及表面氧化物；（3）在酸洗之后的泡沫镍表面构建含镍元素和铁元素的催化活性层，得到复合阳极电极。所述阳极材料与未处理泡沫镍相比，具有更低的过电位及更优的传质性能，在阴离子交换膜电解水体系中表现出优异的催化活性及稳定性。本发明方法简单、可控性强，适用于规模化制备。
Absstract of: CN122647755A
0001 本发明公开了一种结构色可调的聚甲基丙烯酸中空纳米胶体晶体阵列的制备方法，该方法包括：以单分散二氧化硅纳米球为牺牲模板，经表面硅烷化改性处理后，通过原位自由基聚合在其表面包覆聚甲基丙烯酸壳层，形成二氧化硅@聚甲基丙烯酸核壳结构纳米粒子；然后采用氢氟酸溶液选择性刻蚀去除二氧化硅模板，并辅助可控离心调控，制得形貌均匀的聚甲基丙烯酸中空纳米球或中空纳米碗；将所得中空纳米粒子通过自组装形成高度有序的胶体晶体阵列。通过调节氢氟酸刻蚀时间，能够精确调控中空结构的形貌及晶格参数，进而实现阵列结构色的连续可调。所得阵列具有显著的角度依赖性结构色，随观测角度增大呈现明显红移。
Absstract of: CN122646912A
本发明提出了一种四氧化三钴的制备方法及其应用，涉及电池材料技术领域。制备方法包括以下步骤：S1：配制pH为7.5~9.0的底液，升温后加入钴源和碱进行一段反应，得到混合浆料；S2：向所述混合浆料加入双氧水进行二段反应，加入完毕后调节pH至9.5~11进行陈化，得到四氧化三钴浆料；步骤S1中，所述钴源中的Co2+与所述碱所提供的OH‑的摩尔比在(0.52~0.68):1；步骤S2中，所述双氧水与所述钴源中的Co2+的摩尔比：n(H2O2):n(Co2+)=(0.3~0.38):1。本发明通过精准控制反应参数，采用湿法共沉淀一步法制备四氧化三钴，具有高纯度四氧化三钴相、高BET、分散性好等特性。
Absstract of: CN122659165A
本发明涉及纳米合成和燃料电池技术领域，提供一种树莓状结构的铂钯铜三元合金纳米催化剂及其制备方法和应用，属于纳米材料合成与燃料电池技术领域。采用抗坏血酸同时还原铂、钯、铜三种金属前驱体，并加入结构导向剂，以“一锅法”成功合成了树莓状结构的Pt‑Pd‑Cu三元合金纳米材料。该纳米材料表面呈现独特的树莓状形貌，分布着大量凸起结构，显著提高了比表面积，暴露出丰富的催化活性位点。通过在铂中引入适量钯，所得纳米材料在酸性和碱性介质中均展现出良好的催化性能。而铜的加入既有效减少了贵金属铂的用量，降低了催化剂成本，又提供大量活性羟基自由基，促进反应中间体COads迅速氧化为CO2，从而有效防止铂活性位点中毒。
Absstract of: CN122644594A
本发明属于金纳米颗粒技术领域，具体的说是一种基于植物提取物的金纳米颗粒的制备方法及其应用；包括以下步骤：制备马齿苋提取液；配制氯金酸溶液；将所述马齿苋提取液与所述氯金酸溶液按照体积比为1：2‑9的比例混合，在常温常压下搅拌反应，当溶液颜色由棕黄色变为紫色时，即得到金纳米颗粒悬浊液；本发明以马齿苋介导合成的纳米金颗粒在20纳米左右，有较多集团附着的复杂分子，形状呈五边形、六边形、球状和棒状等。pH和傅里叶红外检测表明植物提取物中的草酸、酚类和酮类参与了纳米金颗粒的形成和稳定。植物源的参与使得纳米金颗粒的合成过程在降低成本和能源消耗的情况下，凸显并加强了纳米金颗粒的抗氧化性能。
Absstract of: 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.
Absstract of: US20260255694A1
There is provided an antistatic coating agent that is excellent in antistatic performance, hydrophilicity, and durability such as wear resistance and that makes it possible to form a coat layer having high visible light transmittance on a surface of a substrate made of glass easily at normal temperature, and an antistatic glass substrate using this antistatic coating agent. The antistatic coating agent is a normal-temperature-hardenable antistatic coating agent containing tin oxide (SnO2), silica (SiO2), tungsten oxide (WO3), a single-walled carbon nanotube, and a liquid medium. The antistatic glass substate includes a substrate made of glass and a coat layer being a hardened layer provided on a surface of the substrate, the hardened layer formed from the antistatic coating agent.
Absstract of: 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.
Absstract of: 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.
Absstract of: WO2026174991A1
A lithium secondary battery, a positive electrode active material and a preparation method therefor, and an electric device. The positive electrode active material comprises an active substance LimAxFe1-yGyP1-zDzO4-nEn, wherein A includes one or more elements of Zn, Al, Na, K, and Mg; G includes one or more elements of Cu, Mn, Cr, Zn, Pb, Ca, Co, Ni, Sr, Nb, V, and Ti; D includes one or more elements of B, S, Si, and N; E includes one or more elements of S, F, Cl, and Br; m=0.5-1.15; x=0-0.1; y=0-0.5; z=0-0.5; and n=0-0.5. The surfaces of active material particles are each coated with a carbonaceous material layer. The ratio of the thickness of the carbonaceous material layer to the diameter of primary particles of the positive electrode active material ranges from 1/500 to 1/100.
Absstract of: US20260250649A1
An extracellular vesicle loaded with a nucleic acid cargo and method for preparing the loaded vesicle is disclosed.
Absstract of: US20260248964A1
0000 Compositions and methods for editing, e.g., introducing double-stranded breaks, within the TTR gene in combination with administration of a corticosteroid are provided. Compositions and methods for treating subjects having amyloidosis associated with transthyretin (ATTR), in which a guide RNA and a corticosteroid are administered, are provided.
Absstract of: US20260253906A1
A composition can include a carbon nanofiber, wherein a precursor for the carbon nanofiber includes an alcohol and an aldehyde crosslinked by a primary amine. In certain embodiments, the carbon nanofiber can be biotemplated. Biotemplating enables precise control of morphology at the nanometer scale, while molecular templating allows control of carbon nanotexture and structure at the sub-nanometer scale.
Absstract of: WO2026176133A1
The invention relates to an electric machine comprising at least one winding, which in turn comprises at least one cable, wherein the at least one cable consists of a structure comprising a plurality of carbon nanotubes (1) aligned in a substantially parallel manner, wherein the structure of the at least one cable comprises at least one first doping agent (2) disposed in spaces (3) between the carbon nanotubes (1), wherein the at least one first doping agent (2) is a material that transfers charge to the carbon nanotubes and increases the electrical conductivity thereof.
Absstract of: US20260248954A1
Generally, a polymer nanomaterial encapsulation system useful in the production of polymer encapsulated nanoparticles comprised of a hydrophobic nanoparticle encapsulated in the hydrophobic region of the polymer with the external hydrophilic region of the polymer ensuring water-solubility and affording a functional group which can be utilized for the production of nanoparticle conjugates. Specifically, particular embodiments include a polymer nanoparticle structure including one or more of: a quantum dot and/or a superparamagnetic iron oxide nanoparticle and/or an upconverting nanoparticle, encapsulated in polystyrene-b-polyethylene glycol amine for the production of antibody conjugates useful in the capture of cellular targets.
Absstract of: US20260250140A1
0000 A structured MAX-phase particle having the elementary formula M
Absstract of: WO2026176060A1
A method and system is disclosed for producing electric arc silica comprising the following method steps: providing (301) a plasma reactor configured to generate at least one electric arc by establishing an electric field between the at least two electrodes; receiving (302) a feedstock comprising silica, preferably quartz, in the plasma reactor; introducing gas (303) between the at least two electrodes through a first gas inlet; feeding (305) between the electrodes through a powder feeder a silica containing powder, preferably quartz, comprising a chloride as additive; and quenching (306) oxidic silica compounds to produce electric arc silica. Further the present invention refers to electric arc silica (124) produced according to the above mentioned method steps as well as a system comprising a plasma reactor configured to perform above mentioned method.
Absstract of: WO2026176058A1
The present invention refers to a method of operating a plasma reactor to produce fumed silica comprising the following method steps: providing a plasma reactor (400, 500, 600, 700, 800) comprising a first heat source with at least two electrodes (101, 102) configured to generate at least one electric arc (117) or a plasma jet (175) by establishing an electric field between the at least two electrodes (101, 102); receiving a feedstock (121) comprising silica, preferably quartz, by a crucible of the plasma reactor (100, 105); preheating the feedstock to generate an electrically conductive melt of the feedstock by providing a second heat source arranged in at least a portion of the crucible and/or arranged outside of the crucible. Further the present invention relates to a plasma reactor for generating an electric arc or a plasma jet for the production of fumed silica the plasma reactor comprising a first heat source, a crucible configured and a second heat source arranged in at least a portion of the crucible and/or arranged outside of the crucible in order to preheat the feedstock in the crucible.
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4793037A1
The disclosure relates to a method for producing a structure (1) comprising a metal-containing layer (11) bonded to a first carbon allotrope layer (12). The method comprises providing a substrate (13), coating the substrate (13) with polymer to obtain a polymer layer (14), depositing metal-containing material on the polymer layer (14) to obtain a metal-containing layer (11), bonding a first carbon allotrope layer (12) to the metal-containing layer (11), and dissolving the polymer layer (14) using a solvent (2) for releasing the substrate (13) from the metal-containing layer (11).
Nº publicación: EP4796497A1 26/08/2026
Applicant:
INDIAN OIL CORP LTD [IN]
Indian Oil Corporation Limited
Absstract of: 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.
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