نتایج جستجو برای: liposome

تعداد نتایج: 7153  

Journal: :Colloids and Surfaces A: Physicochemical and Engineering Aspects 2022

The purpose of this study was to prepare stable polymer-liposome complexes using a new, improved one-pot method. Complexes prepared by the conventional method were used as reference. combines vesicle formation and complexation with polymer in single step allowing for fewer steps compared thin-film followed coating. This has possibility complexing on surface within aqueous core liposomes. Soya p...

Journal: : 2021

The Effect of Resveratrol Antioxidant in Nano Liposome and NLC Forms Rooster Semen Extender During Storage at 4˚C

Journal: :Physical chemistry chemical physics : PCCP 2010
Ryuhei Matsumoto Masaya Kakuta Taiki Sugiyama Yoshio Goto Hideki Sakai Yuichi Tokita Tsuyonobu Hatazawa Seiya Tsujimura Osamu Shirai Kenji Kano

We report the first example of a liposome-based energy conversion system that is useful for entrapping enzymes and NAD coenzyme to accelerate multi-step enzymatic reactions. The liposome generates a much higher catalytic current compared with the non-liposome system, which is in good consistency with numerical simulations.

2015
Wendian Zhang Fangqi Peng Taotao Zhou Yifei Huang Li Zhang Peng Ye Miao Lu Guang Yang Yongkang Gai Tan Yang Xiang Ma Guangya Xiang

Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related death. Gene therapy was established as a new strategy for treating HCC. To explore the potential delivery system to support the gene therapy of HCC, negatively charged liposomal delivery system was used to deliver miR-221 antisense oligonucleotide (anti-miR-221) to the transferrin (Tf) receptor over expressed HepG2 ce...

2015
Hongmei Xia Yongfeng Cheng Yinxiang Xu Zhiqing Cheng

Retinoic acid (RA), a metabolite of retinol, is one of the most biologically active forms of retinoid and plays vital roles in embryonic development and in the regulation of cell proliferation and differentiation. Knowing that liposomes simulate cell membranes and that hydrogel is an ideal delivery vehicle for topical medicine, liposome-hydrogel is a novel preparation that has synergistic advan...

2012
Şeyda AKKUŞ ARSLAN Tuba İNCEÇAYIR Figen TIRNAKSIZ

Kinetin is a highly potent growth factor that is capable of delaying or preventing age-related changes of human skin fibroblasts. The purpose of this study was to develop and characterize topical kinetin-loaded emulsion gel and liposome gel formulations. Emulsion formulation was prepared using the spontaneous emulsification method. Pseudoternary phase diagram for oil/water (o/w) type emulsion w...

Journal: :Journal of colloid and interface science 2007
Yukihisa Okumura Hiroki Mizushima Junzo Sunamoto

Relocation of a glycosylphosphatidylinositol (GPI)-anchored protein acetylcholinesterase (AChE) in its enzymatically active form from proteovesicles containing human erythrocyte ghost membrane proteins onto a liposome-gel conjugate was examined. Liposomes of 1,2-dimyristoylphosphatidylcholine (DMPC) were immobilized on Sephacryl S-1000 gel that was chemically modified to bear hydrophobic octyl ...

Journal: :The Journal of Cell Biology 1988
A Laliberte C Gicquaud

By cosedimentation, spectrofluorimetry, and electron microscopy, we have established that actin is induced to polymerize at low salt concentrations by positively charged liposomes. This polymerization occurs only at the surface of the liposomes, and thus monomers not in direct contact with the liposome remain monomeric. The integrity of the liposome membrane is necessary to maintain actin in it...

2015
Feng-Yun J Huang Te-Wei Lee Chih-Hsien Chang Liang-Cheng Chen Wei-Hsin Hsu Chien-Wen Chang Jem-Mau Lo

PURPOSE In this study, the (188)Re-labeled PEGylated nanoliposome ((188)Re-liposome) was prepared and evaluated as a therapeutic agent for glioma. MATERIALS AND METHODS The reporter cell line, F98(luc) was prepared via Lentivector expression kit system and used to set up the orthotopic glioma-bearing rat model for non-invasive bioluminescent imaging. The maximum tolerated dose applicable in F...

Journal: :GSC biological and pharmaceutical sciences 2022

Liposome is a microparticulate colloidal vesicle, in which aqueous medium surrounded by single or multiple concentric layers of phospholipids. Both hydrophilic & hydrophobic drug can be incorporated, water soluble being trapped core and fat It offers controlled release, targeted delivery thus enhanced therapeutic efficacy reduced dosing frequency. Several liposome based formulation are appr...

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