نتایج جستجو برای: nanocarriers

تعداد نتایج: 2488  

Journal: :Nanomedicine : nanotechnology, biology, and medicine 2011
Yunqing Wang Lingxin Chen

UNLABELLED Quantum dots (QDs) have proven themselves as powerful inorganic fluorescent probes, especially for long term, multiplexed imaging and detection. The newly developed QDs labeling techniques have facilitated the study of drug delivery on the level of living cells and small animals. Moreover, based on QDs and fluorescence imaging system, multifunctional nanocomplex integrated targeting,...

Journal: :Journal of nanotechnology in engineering and medicine 2013
Portonovo S Ayyaswamy Vladimir Muzykantov David M Eckmann Ravi Radhakrishnan

This review discusses current progress and future challenges in the numerical modeling of targeted drug delivery using functionalized nanocarriers (NC). Antibody coated nanocarriers of various size and shapes, also called functionalized nanocarriers, are designed to be injected in the vasculature, whereby they undergo translational and rotational motion governed by hydrodynamic interaction with...

2016
Yuko T. Sato Kaori Umezaki Shinichi Sawada Sada-atsu Mukai Yoshihiro Sasaki Naozumi Harada Hiroshi Shiku Kazunari Akiyoshi

Exosomes are a valuable biomaterial for the development of novel nanocarriers as functionally advanced drug delivery systems. To control and modify the performance of exosomal nanocarriers, we developed hybrid exosomes by fusing their membranes with liposomes using the freeze-thaw method. Exosomes embedded with a specific membrane protein isolated from genetically modified cells were fused with...

Journal: :Nature nanotechnology 2007
Jean-Christophe Leroux

Hospitals routinely treat patients suffering from overdoses of drugs or other toxic chemicals as a result of illicit drug consumption, suicide attempts or accidental exposures. However, for many life-threatening situations, specific antidotes are not available and treatment is largely based on emptying the stomach, administering activated charcoal or other general measures of intoxication suppo...

2014
Changying Shi Dekai Yuan Shikha Nangia Gaofei Xu Kit S. Lam Juntao Luo

A series of telodendrimer (a linear polyethyelene glycol-block-dendritic oligo-cholic acid) have been synthesized via a bottom-up approach to optimize the hemocompatibility of the nanocarrier. Numbers of hydrophilic glycerol groups were introduced onto the polar surface of cholic acid to reduce the plasma membrane lytic activity of telodendrimers. An interesting result was observed: only an opt...

2013
Anu Puri

The field of cancer nanomedicine is considered a promising area for improved delivery of bioactive molecules including drugs, pharmaceutical agents and nucleic acids. Among these, drug delivery technology has made discernible progress in recent years and the areas that warrant further focus and consideration towards technological developments have also been recognized. Development of viable met...

2017
Marziyeh Fathi Parham Sahandi Zangabad Sima Majidi Jaleh Barar Hamid Erfan-Niya Yadollah Omidi

Introduction: Stimuli-responsive nanocarriers offer unique advantages over the traditional drug delivery systems (DDSs) in terms of targeted drug delivery and on-demand release of cargo drug molecules. Of these, chitosan (CS)-based DDSs offer several advantages such as high compatibility with biological settings. Methods: In this study, we surveyed the literature in terms of the stimuli-respons...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2013
Jinlou Gu Jiapeng Liu Yongsheng Li Wenru Zhao Jianlin Shi

Mesoporous silica nanocarriers with tunable particle sizes and different loadings of pendent carboxylic groups were successfully prepared by a straightforward and reproducible strategy, in which carboxyethylsilanetriol sodium salt was co-condensed with tetraethoxyorthosilicate to introduce the carboxylic groups. The key in this strategy was to separate the synthesis process into two steps of th...

Journal: :Biological & pharmaceutical bulletin 2013
Chih-Hung Lin Yi-Ping Fang Saleh Abdulah Al-Suwayeh Shih-Yung Yang Jia-You Fang

The aim of this study was to develop lipid nanocarriers that combine tretinoin and tetracycline for the efficient topical delivery to treat acne vulgaris. Two different nanocarriers, nanoemulsions (NEs) and nanostructured lipid carriers (NLCs), were prepared, and we examined their average size, zeta potential, drug encapsulation percentage, and drug permeation via the skin. The antibacterial ac...

Journal: :Chinese science bulletin = Kexue tongbao 2012
Jonathan O Martinez Brandon S Brown Nicoletta Quattrocchi Michael Evangelopoulos Mauro Ferrari Ennio Tasciotti

Nanomaterials are advancing in several directions with significant progress being achieved with respect to their synthesis, functionalization and biomedical application. In this review, we will describe several classes of prototypical nanocarriers, such as liposomes, silicon particles, and gold nanoshells, in terms of their individual function as well as their synergistic use. Active and passiv...

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