نتایج جستجو برای: poly dopamine nanoparticles

تعداد نتایج: 227336  

Background: In this work, a new method was developed for simultaneous determination of dopamine and rutin at glassy carbon electrode modified with CuO nanoparticles doped multi-walled carbon nanotubes (CuONPs–MWNT/GCE). This modified electrode has shown excellent electrocatalytic activity toward the oxidation of rutin in acetate buffer solution (pH=5). The modified electrode lowered the overpot...

Journal: :Electrochimica Acta 2021

Transition metal phosphides are emerging as promising anode materials of sodium ion batteries (SIBs) due to their high performance in terms capacity and operational stability. Highly isolated CoP nanoparticles encapsulated 3D hollow nitrogen-doped carbon networks (CoP/HNC composite) designed via polymerization poly-dopamine (PDA) on ZIF-67 the subsequent in-situ phosphorization. Ultrafine (10 ±...

2013
Young-Ran Lee Young-Hee Lee Ki-Hyang Kim Sun-A Im Chong-Kil Lee

Previously we showed that biodegradable nanoparticles containing poly-IC or CpG oligodeoxynucleotide (ODN) together with ovalbumin (OVA) were efficient at inducing MHC-restricted presentation of OVA peptides in dendritic cells. The CTL-inducing activities of the nanoparticles were examined in the present study. Nanoparticles containing poly-IC or CpG ODN together with OVA were prepared using bi...

2017
Zhijun Zhu Ming Su

Cancer therapy with two different modalities can enhance treatment efficacy and reduce side effects. This paper describes a new method for combined chemo- and photothermal therapy of cancer using poly dopamine nanoparticles (PDA-NPs), where PDA-NPs serve not only as a photothermal agent with strong near infrared absorbance and high energy conversion efficiency, but also as a carrier to deliver ...

2017
J. Jacobs A. Byrne N. Gathergood T. E. Keyes J. P. A. Heuts A. Heise

Block copolymers comprising a poly(styrene) and a poly(L-lysine) or poly(L-glutamic acid) block were obtained by sequential reversible addition−fragmentation chain Transfer (RAFT) and N-carboxyanhydride (NCA) polymerization. Subsequent partial glycosylation of the poly(L-glutamic acid) block with D-galactosamine (GA) and the poly(L-lysine) block with lactobionic acid (LA) yielded block copolyme...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2017
Nazar Orishchin Cameron C Crane Matthew Brownell Tengjiao Wang Samuel Jenkins Min Zou Arun Nair Jingyi Chen

Polydopamine is a bioinspired, versatile material that can adhere to bulk and nanoscale surfaces made of disparate materials to improve their physical and chemical properties in many applications. The typical methods to coat polydopamine on the nanoparticle substrates usually take several hours to a day. This work successfully applies a dispersion method to form a controllable, uniform coating ...

Background & Aims: Cancer immunotherapy, despite its many benefits, faces major challenges. Nanoparticles are drug delivery systems that may address these challenges. The goal of this study was to produce the tumor cell lysate and Poly-IC loaded nanoparticles with desirable properties and evaluation of their therapeutic effects in mouse model of breast cancer. Materials & Methods: Nanoparticle...

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