نتایج جستجو برای: cellular uptake and release

تعداد نتایج: 16891898  

Maryam Ayatollahi, Maryam Borhani-Haghighi Tahereh Talaei-Khozani Zahra Vojdani,

Background: Wharton’s jelly is an unlimited source of stem cells that can be used in cell therapy and tissue engineering without any ethical concern. It has been revealed the cell-free extract could be effective to induce cell differentiation. The objective of this study was to induce Wharton’s jelly-derived mesenchymal stem cells (MSCs) into hepatocyte-like cells by premeabilization of the cel...

The aim of this investigation was to design and develop nanoemulsions as novel delivery systems for rapamycin. Phase behavior of quaternary systems composed of Traicetin (as oil), various surfactants and co-surfactants and water at different surfactant/co-surfactant weight ratios were investigated by the construction of phase diagrams. Formulations were taken from the o/w NE region of the phase...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - پژوهشکده علوم 1392

purpose a metabolic abnormality such as obesity is a major obstacle in the maintenance of the human health system and causes various chronic diseases including type 2 diabetes, hypertension, cardiovascular diseases, as well as various cancers. this study was designed to summarize the recent scientific knowledge regarding the anti-obesity role of curcumin (diferuloylmethane), which is isolated f...

Journal: :ACS nano 2011
Yu Gao Yu Chen Xiufeng Ji Xinyu He Qi Yin Zhiwen Zhang Jianlin Shi Yaping Li

In this work, hollow mesoporous silica nanoparticles (HMSNs) with three pore sizes were manufactured to control the drug release rate, and the biological roles of these HMSNs were evaluated in multidrug-resistant (MDR) cancer cells. As novel pore-size-controllable inorganic materials, HMSNs showed negligible cytotoxicity and efficient cellular uptake toward drug-sensitive MCF-7 and drug-resista...

The study aimed at determining the effect of acid modified porcine mucin powder on the release and permeation of insulin in transdermal patches. Various batches of insulin patches were prepared by solvent casting method using polysorbate 80 as emulsifying agent and acid treated and untreated mucin powders as base. The patches were evaluated for their physical properties, folding endurance, moi...

Journal: :iranian journal of pharmaceutical research 0
hamideh sobhani department of pharmaceutics, school of pharmacy, shahid beheshti university of medical sciences parastoo tarighi department of medical biotechnology, school of advanced technologies in medicine, tehran university of medical sciences seyed nasser ostad department of pharmacology and toxicology, faculty of pharmacy, tehran university of medical sciences alireza shafaati department of pharmaceutical chemistry, school of pharmacy, shahid beheshti university of medical sciences nastaran nafissi-varcheh department of pharmaceutical biotechnology, school of pharmacy, shahid beheshti university of medical sciences reza aboofazeli department of pharmaceutics, school of pharmacy, shahid beheshti uni. med. sci.

the aim of this investigation was to design and develop nanoemulsions as novel delivery systems for rapamycin. phase behavior of quaternary systems composed of traicetin (as oil), various surfactants and co-surfactants and water at different surfactant/co-surfactant weight ratios were investigated by the construction of phase diagrams. formulations were taken from the o/w ne region of the phase...

Journal: :asia oceania journal of nuclear medicine and biology 0
peter k. wong department of surgery and urology, university of melbourne, austin hospital, heidelberg, victoria, australia sze ting lee centre for pet, austin hospital, heidelberg, victoria, australia carmel murone ludwig institute for cancer research, austin hospital, heidelberg, victoria, australia john eng centre for pet, austin hospital, heidelberg, victoria, australia nathan lawrentschuk department of surgery and urology, university of melbourne, austin hospital, heidelberg, victoria, australia salvatore u. berlangieri centre for pet, austin hospital, heidelberg, victoria, australia

objective(s): the ability to measure cellular proliferation non-invasively in renal cell carcinoma may allow prediction of tumour aggressiveness and response to therapy. the aim of this study was to evaluate the uptake of 18ffluorothymidine (flt) pet in renal cell carcinoma (rcc), and to compare this to 18f-fluorodeoxyglucose (fdg), and to an immunohistochemical measure of cellular proliferatio...

Journal: :Journal of Experimental Nanoscience 2022

Hydrogen sulphide (H2S) is an endogenous gaseous signalling molecule observing cardioprotective qualities in various experimental models. However, its therapeutic application limited due to rapid release vivo and potential toxicity. Controlled-release nanoparticles (NPs), such as polylactic-co-glycolic acid (PLGA) NPs entrapping H2S compounds may address these issues. PLGA NPs’ encapsulating so...

Background & Aims: Poly (amidoamine) dendrimer (PAMAM) is highly macromolecular at nanosize with widely active amine groups on the surface that allows it to attach to the anti-cancer drugs such as Methotrexate (MTX). This study aimed to synthesize and characterize PAMAM-MTX (dendrimer-MTX) complex, then to evaluate the cytotoxic effect of the synthesized complex on MCF-7 cancer cells. Material...

رفیعی, علیرضا , ابراهیم نژاد, پدرام, اختری, جواد ,

Controlling the release of drugs and other therapeutic molecules has great importance in novel drug delivery. Nanoparticulate systems have the ability to control drug release and increase the presence of these compounds in blood flow and could convey them to a specific position. Growth factors are endogenous peptide which begins cellular signals to regulate cellular activities. The main problem...

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