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1)  oral colon-specific
口服结肠靶向
1.
Starch can not be digested in the upper gastrointestinal but can be microbially decomposed in colon by suitable modifications which control starch digestibility, thus it can be used as carrier for oral colon-specific drug delivery system.
通过合理改性来调控淀粉的消化性能,使其具有不被上消化道消化、但能够被结肠微生物酵解的特性,则可用作口服结肠靶向药物控释载体。
2)  oral colon specific targeting drug-delivery system
口服结肠靶向给药系统
1.
The oral colon specific targeting drug-delivery system(OCSTDS) are easy to use and can increase the local drug level of colon in treatment of gastrointestinal diseases.
现对此3种口服结肠靶向给药系统的制备和应用进行综述。
3)  oral colon target preparations
口服结肠靶向制剂
4)  Oral Colon-targeting Drug Delivery System
口服结肠靶向定位给药系统
1.
The technique of drug transfer is used in Oral Colon-targeting Drug Delivery System(OCDDS), in which drugs does not release in the upper digestive tract with oral administration butbegins to collapse or erode when they arrive at ileocecus and act medicinally at colon.
口服结肠靶向定位给药系统是通过药物传递技术,使药物口服后在上消化道不释放,将药物运送到人体回盲部后开始崩解或蚀解并释放出来,从而使药物在人体结肠发挥局部或全身治疗作用的释药剂型。
5)  colon targeting
结肠靶向
1.
Preparation of Kangfuxin colon targeting micro-pellets;
康复新结肠靶向微丸的制备工艺
2.
In vivo/in vitro evaluation of Kangfuxin colon targeting capsules;
康复新结肠靶向胶囊的体内外评价
3.
Conclusions: This research provided a way for traditional Chinese drug preparation of colon targeting.
目的 :考察中药制备结肠靶向给药的可能。
6)  colon specific
结肠靶向
1.
In this article , a review of research in the colon specific drug delivery based on azo polymers in which azo groups are located in the main chain, cross links, or in branches, is given.
在人体消化道中 ,偶氮键仅能被结肠厌氧菌代谢的偶氮还原酶还原而断裂 ,偶氮聚合物可作为潜在的高定位性的结肠靶向药物缓释载体。
2.
Azo polymers may be expected as colon specific drug delivery systems because azo bonds in polymers can be reduced by azoreductase generated by colonic bacteria.
偶氮聚合物中的偶氮键可被结肠菌丛产生的偶氮还原酶催化还原 ,可用作高定位性的结肠靶向给药药物载体。
补充资料:靶向给药
分子式:
CAS号:

性质:靶制剂选择性地与靶细胞结合产生药理效应的过程。由于不同的给药途径药靶物制剂可以进入不同的位置,而产后不同的靶向性和作用特点。如脂质体制剂,可以静脉、腹腔、肌肉、皮下或淋巴结注射,也可以支气管给药或大脑内、脊椎给药。静脉给药时,脂质体在体内优先被富含网状内皮细胞的组织(肝脾)所摄取,并迅速被单核吞噬细胞吞噬和降解。主要包括脂质体给药系统、受体靶向及磁性药物。脂质体制剂是把药物包裹在双分子脂质膜中,此种磷脂膜与生物膜类似,成为药物的载体,它与细胞膜亲和力强,使癌细胞摄取增多,提高疗效,增加耐受性。受体靶向是利用脂质体的表面有共价键与抗肿瘤细胞表面抗原的单克隆抗体结合,使脂质体在肿瘤细胞内大量集中,提高抗肿瘤细胞的选择性。磁性药物是指药物与高磁性的硫酸铁结合,在给药后,体外使用强大的磁场,使肿瘤部位处于此种强大磁场之下,药物被选择性地集中在肿瘤细胞,提高治疗指数。 

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