Resumen de: US20260048012A1
The present invention concerns a method for the production, purification, and stabilization of plant-derived nanovesicles (PDVs). It also concerns a pharmaceutical composition comprising the PDVs obtained by this method for hypocholesterolemic, hypoglycemic, hypolipidemic, anti-ageing, and antioxidant use.
Resumen de: CN121588218A
本发明的目的在于提供一种痛风性关节炎诊疗一体化仿生纳米探针的制备方法及其应用,属于生命医学和无机纳米材料技术领域,本发明通过化学还原法构建了由金铂纳米簇所形成的合金结构作为纳米簇的内核、在纳米簇外部包覆红细胞膜得到。该纳米探针包覆红细胞膜,循环半衰期长,安全性高。所述纳米探针兼具尿酸酶样活性与过氧化氢酶样活性,降解尿酸同时可以降解尿酸的副产物过氧化氢,缓解氧化应激损伤。可通过体内外温和光热疗法提高类酶活性,全面提升该探针在急性痛风性关节炎的治疗作用。
Resumen de: CN121591756A
本发明属于生物化学材料技术领域,具体涉及一种噻吩噻唑基光敏剂及其制备方法和应用。本发明提供的噻吩噻唑基光敏剂具有式I或式II所示结构,具有近红外二区荧光成像和光动力/光热协同杀伤癌细胞活性。一旦暴露于660nm激光下,细胞活力会随着光敏剂纳米粒子浓度的增加而明显降低,即使在极低的浓度下(2μM)也能很好的杀伤肿瘤细胞。噻吩噻唑基光敏剂具有明亮的NIR‑II发射,并成功延伸至1300nm,同时还具有优异的光/热稳定性和有效的ROS产生能力,有利于体内近红外二区(大于900nm)荧光生物成像、光诊疗和抗癌应用研究。式I,式II
Resumen de: CN121591676A
本发明属于生物化学材料技术领域,具体涉及一种噻唑基光敏剂及其制备方法和应用。本发明提供了一种噻唑基光敏剂,具有式I所示结构。本发明的噻唑基光敏剂具有近红外二区荧光成像和光动力/光热协同杀伤癌细胞活性。一旦暴露于660 nm激光下,细胞活力会随着光敏剂纳米粒子浓度的增加而明显降低,具有明亮的NIR‑II发射,并成功延伸至1300 nm,同时还具有优异的光/热稳定性和有效的ROS产生能力,有利于体内近红外二区荧光生物成像、光诊疗和抗癌应用研究。式I
Resumen de: US20260048128A1
The subject invention pertains to a novel composition comprising a self-therapeutic metal nanoparticle core coated with a hydrophilic polymer, and optionally a therapeutic agent linked to the polymer. The linker comprises functional groups that can bind to both the metal core and the polymer. The subject invention further discloses a method for treating HD in a subject comprising administering an effective amount of the composition to a subject with HD. The composition exhibits self-therapeutic properties when administered to patients with Huntington's disease. Additionally, the invention comprises a method for synthesizing gold nanoparticles for treating Huntington's disease. This method comprises conjugating gold nanoparticles with polyethylene glycol (PEG) and attaching a therapeutic agent via a linker to the PEG. This enables targeted delivery of the therapeutic agent to its therapeutic targets.
Resumen de: CN121588062A
本发明提供了一种用于核酸药物递送的脂质纳米颗粒组合物及其制备方法和用途。本发明利用类固醇‑阳离子脂质化合物与辅助磷脂、聚乙二醇修饰的磷脂混合制备的组合物具有较佳的稳定性和转染效率。利用将脂质纳米颗粒用于递送核酸,例如mRNA,可以高效稳定的将核酸药物递送至靶细胞或器官,同时,该类LNP可用于mRNA的雾化吸入给药,也可用于mRNA的冻干制剂开发。在实验动物体内可引起较高的特异性抗体应答,且化合物具有更好的安全性。
Resumen de: CN121588064A
本发明涉及纳米药物呈递系统技术领域,具体涉及了一种负载橄榄苦苷的核‑壳结构递药系统及其制备方法和应用。一种负载橄榄苦苷的核‑壳结构递药系统,其包括内核和外壳;所述内核为橄榄苦苷自组装形成的橄榄苦苷纳米粒;橄榄苦苷纳米粒上交联修饰有三聚磷酸钠以及共价连接有叶酸;所述外壳由阿魏酸衍生木质素形成。本方案实现了橄榄苦苷在脓毒症相关肠功能障碍治疗中的高效靶向递送与协同治疗,可以解决以解决将橄榄苦苷应用于脓毒症的治疗存在的药物靶向性不强、生物利用度不理想、无法实现靶部位释放的技术问题,为开发新型高效靶向递药系统开辟了新的途径,为天然产物的临床转化提供了创新策略,具有理想的应用和推广价值。
Resumen de: CN121591824A
本发明提供一种具有式(I)所示结构的类固醇‑阳离子脂质化合物及其用途,该化合物可用于制备递送治疗剂和/或预防剂的脂质纳米颗粒(Lipid nanoparticle,LNP)。利用本发明的类固醇‑阳离子脂质化合物制备的LNP具有较佳的稳定性和转染效率。将该LNP用于递送核酸,例如mRNA,可以高效稳定的将生物活性物质递送至靶细胞或器官,在实验动物体内可引起高的特异性抗体应答和细胞免疫应答,且化合物具有更好的安全性。
Resumen de: AU2024281932A1
Provided herein are compounds of Formula (I), or a pharmaceutically acceptable salt thereof. Further disclosed are nanoparticles comprising one of the compounds and methods of using the same for treating drug addiction, drug dependence, drug overdose, opioid use disorder, pain, chronic pain, fibromyalgia, arthritis, or obesity.
Resumen de: CN121588063A
一种手性可电离脂质纳米颗粒及其制备方法,属于生物医用材料技术领域。手性可电离脂质纳米颗粒包含:手性氨基酸衍生脂质、可电离脂质、辅助脂质、胆固醇、磷脂聚乙二醇衍生物及RNA药物;将手性氨基酸衍生脂质溶解于甲醇中,可电离脂质、辅助脂质、胆固醇和磷脂聚乙二醇衍生物分别溶解在乙醇中混合,得到总脂质有机相;再将RNA药物溶解在DEPC水中,得到RNA水溶液后和酸性缓冲液混合,得到RNA水相;将总脂质有机相和RNA水相快速混合后静置孵育;将混合液加入3500 Da透析袋,以1×磷酸盐缓冲液(PBS,pH=7.4)为外水相,透析后得手性可电离脂质纳米颗粒。本发明的脂质纳米颗粒能够增强RNA摄取效率,在系统性炎症等疾病治疗方面具有很好的应用前景。
Resumen de: CN121588677A
本发明公开了一种集成式微流控混合器,包括:多个串联的混合单元组成混合通道,以及多个并联的混合通道,微流控混合器进样口和出样口,混合单元含有扰流空腔;混合器进样口通过分裂的引流管与多个混合通道入口通道连通,混合通道出口通过引流管与混合器出样口连通。液体经混合器进样口进入到混合通道内,经过多级混合单元的扰流空腔增强混合,可以实现高通量的混合要求,增加生产批量,增加设备利用率及降低混合液体的设备成本。
Resumen de: AU2024296025A1
The present invention relates to a cerium oxide nanocomposite, a method for preparing same, and a composition for the prevention or treatment of inflammatory or autoimmune diseases, comprising same as an active ingredient. The present invention can be used as an excellent therapeutic composition in which both biostability and in vivo efficiency of scavenging reactive oxygen species are maximized by modifying the surface of cerium oxide nanoparticles with an optimal amount of a pyrrolidone derivative polymer. Also, the method for preparing the nanocomposite, of the present invention, can form uniform particles having an optimal diameter while completely removing toxicity caused by reaction residues and nitrate by only a simple process of washing with a sodium chloride solution having a specific concentration. The present invention can be usefully applied to an excellent therapeutic composition which significantly inhibits inflammatory responses in various tissues, and particularly, minimizes damage to nerve cells, caused by excessive inflammatory responses in the periphery of hematoma due to intracerebral hemorrhage, thereby restoring neurological functions and greatly improving the survival rate of patients.
Resumen de: WO2026041140A1
Provided are a self-replicating RNA construct, and a preparation method therefor and the use thereof. More specifically, the present invention relates to a self-replicating RNA construct derived from an alphavirus replicon, and a preparation method therefor and the use thereof. The cytotoxicity of the self-replicating RNA construct is effectively reduced by enhancing the expression of a target gene by means of a specific sequence mutation.
Nº publicación: CN121588215A 03/03/2026
Solicitante:
中国科学院上海硅酸盐研究所
Resumen de: CN121588215A
本发明属于生物纳米材料技术领域,具体涉及一种具有超声响应特性的工程化胰岛素复合物及其制备方法和应用。所述具有超声响应特性的工程化胰岛素复合物包括胰岛β细胞和通过吸附作用负载于所述胰岛β细胞表面的纤维网状结构纳米复合材料,其中,所述纤维网状结构纳米复合材料包括包裹胰岛β细胞外表面的碳纳米纤维网及修饰所述碳纳米纤维网的具有声电转换性能的缺陷氧化钛量子点。本发明所述工程化胰岛素复合物采用构建声‑电转化体系的纳米工程化胰岛β细胞的策略,通过外界超声信号实现对胰岛β细胞操纵,可控释放胰岛素,从而实现1型糖尿病的简单、便捷治疗。