نتایج جستجو برای: polymersome

تعداد نتایج: 167  

Journal: :Physical chemistry chemical physics : PCCP 2015
Jennifer Bain Sarah S Staniland

This review explores the synthesis of inorganic metallic-based nanoparticles (MBNPs) (metals, alloys, metal oxides) using biological and biologically inspired nanoreactors for precipitation/crystallisation. Such nanoparticles exhibit a range of nanoscale properties such as surface plasmon resonance (nobel metals e.g. Au), fluorescence (semiconductor quantum dots e.g. CdSe) and nanomagnetism (ma...

2008
Zhiliang Cheng Andrew Tsourkas

The ability of chelated Gd to serve as an effective magnetic resonance (MR) contrast agent largely depends on fast exchange rates between the Gd-bound water molecules and the surrounding bulk water. Because water diffuses slowly across lipid bilayers, liposomes with encapsulated chelated Gd have not been widely adopted as MR contrast agents. To overcome this limitation, we have synthesized chem...

Journal: :Iranian Red Crescent Medical Journal 2023

Background: Colorectal Cancer (CRC) is the most common malignant gastrointestinal cancer. stem cells (CSCs) are major cause of cancer recurrence and drug resistance. Silibinin, as an herbal compound, has anticancer properties. Objectives: The present study aimed to evaluate antiproliferative effects silibinin on HT29 stem-like (spheroids). Methods: In this study, apoptotic properties Silibinin ...

2015
Jonathan P. Salvage Christopher Thom Andrew L. Lewis Gary J. Phillips Andrew W. Lloyd

Biodistribution of nanoparticle-based intracellular delivery systems is mediated primarily by particle size and physicochemical properties. As such, overcoming the rapid removal of these by the reticuloendothelial system remains a significant challenge. To date, a number of copolymer nanoparticle systems based on 2-methacryloyloxyethyl phosphorylcholine (MPC) with 2-(diisopropylamino)ethyl meth...

Journal: :Physical chemistry chemical physics : PCCP 2015
Mihai Lomora Fabian Itel Ionel Adrian Dinu Cornelia G Palivan

In nature there are various specific reactions for which highly selective detection or support is required to preserve their bio-specificity or/and functionality. In this respect, mimics of cell membranes and bio-compartments are essential for developing tailored applications in therapeutic diagnostics. Being inspired by nature, we present here biomimetic nanocompartments with ion-selective mem...

2016
Fataneh Karandish Manas K. Haldar Seungyong You Amanda E. Brooks Benjamin D. Brooks Bin Guo Yongki Choi Sanku Mallik

Prostate cancer cells overexpress the prostate-specific membrane antigen (PSMA) receptors on the surface. Targeting the PSMA receptor creates a unique opportunity for drug delivery. Docetaxel is a Food and Drug Administration-approved drug for treating metastatic and androgen-independent prostate cancer, and mocetinostat is a potent inhibitor of class I histone deacetylases. In this study, we p...

2013
Hyo-Jick Choi Carlo D. Montemagno

In this review, we briefly introduce our efforts to reconstruct cellular life processes by mimicking natural systems and the applications of these systems to energy and environmental problems. Functional units of in vitro cellular life processes are based on the fabrication of artificial organelles using protein-incorporated polymersomes and the creation of bioreactors. This concept of an artif...

2017
Oliver Bixner Noga Gal Christoph Zaba Andrea Scheberl Erik Reimhult

We present a potential theranostic delivery platform based on the amphiphilic diblock copolymer polybutadiene-block-poly (ethylene oxide) combining covalent fluorescent labeling and membrane incorporation of superparamagnetic iron oxide nanoparticles for multimodal imaging. A simple self-assembly and labeling approach to create the fluorescent and magnetic vesicles is described. Cell uptake of ...

Journal: :Journal of the American Chemical Society 2011
Shin-Hyun Kim Ho Cheung Shum Jin Woong Kim Jun-Cheol Cho David A Weitz

Long-term storage and controlled release of multiple components while avoiding cross-contamination have potentially important applications for pharmaceuticals and cosmetics. Polymersomes are very promising delivery vehicles but cannot be used to encapsulate multiple independent components and release them in a controlled manner. Here, we report a microfluidic approach to produce multiple polyme...

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