Optical modelling of hybrid nanoparticles for theranostic applications

2017 ◽  
Author(s):  
A. De Lucia ◽  
I. Rea ◽  
R. Moretta ◽  
M. Terracciano ◽  
J. Spadavecchia ◽  
...  
Keyword(s):  
Hybrid Nanoparticles ◽  
Optical Modelling ◽  
Theranostic Applications

ChemInform Abstract: Polymer/Gold Hybrid Nanoparticles: From Synthesis to Cancer Theranostic Applications

ChemInform ◽  
2015 ◽  
Vol 46 (16) ◽  
pp. no-no
Author(s):  
Xingjie Wu ◽  
Yanqin Gao ◽  
Chang-Ming Dong
Keyword(s):  
Hybrid Nanoparticles ◽  
Theranostic Applications

scholarly journals Magnetite-Arginine Nanoparticles as a Multifunctional Biomedical Tool

Nanomaterials ◽  
2020 ◽  
Vol 10 (10) ◽  
pp. 2014
Author(s):  
Victoria E. Reichel ◽  
Jasmin Matuszak ◽  
Klaas Bente ◽  
Tobias Heil ◽  
Alexander Kraupner ◽  
...  
Keyword(s):  
Biomedical Applications ◽  
Magnetic Particle ◽  
Hybrid Nanoparticles ◽  
Resonance Imaging ◽  
Magnetic Particle Imaging ◽  
Low Cytotoxicity ◽  
Diagnostic Applications ◽  
Theranostic Applications ◽  
Particle Imaging ◽  
Imaging Properties

Iron oxide nanoparticles are a promising platform for biomedical applications, both in terms of diagnostics and therapeutics. In addition, arginine-rich polypeptides are known to penetrate across cell membranes. Here, we thus introduce a system based on magnetite nanoparticles and the polypeptide poly-l-arginine (polyR-Fe3O4). We show that the hybrid nanoparticles exhibit a low cytotoxicity that is comparable to Resovist®, a commercially available drug. PolyR-Fe3O4 particles perform very well in diagnostic applications, such as magnetic particle imaging (1.7 and 1.35 higher signal respectively for the 3rd and 11th harmonic when compared to Resovist®), or as contrast agents for magnetic resonance imaging (R2/R1 ratio of 17 as compared to 11 at 0.94 T for Resovist®). Moreover, these novel particles can also be used for therapeutic purposes such as hyperthermia, achieving a specific heating power ratio of 208 W/g as compared to 83 W/g for Feridex®, another commercially available product. Therefore, we envision such materials to play a role in the future theranostic applications, where the arginine ability to deliver cargo into the cell can be coupled to the magnetite imaging properties and cancer fighting activity.

Polymer/gold hybrid nanoparticles: from synthesis to cancer theranostic applications

RSC Advances ◽  
2015 ◽  
Vol 5 (18) ◽  
pp. 13787-13796 ◽  
Author(s):  
Xingjie Wu ◽  
Yanqin Gao ◽  
Chang-Ming Dong
Keyword(s):  
Recent Progress ◽  
Hybrid Nanoparticles ◽  
Preparation Methods ◽  
Theranostic Applications

This minireview highlights the preparation methods for various polymer/AuNP hybrids and the recent progress on their cancer theranostic applications.

Green Synthesized Nanomaterials as Theranostic Platforms for Cancer Treatment: Principles, Challenges and the Road Ahead

2019 ◽  
Vol 26 (8) ◽  
pp. 1311-1327 ◽  
Author(s):  
Pala Rajasekharreddy ◽  
Chao Huang ◽  
Siddhardha Busi ◽  
Jobina Rajkumari ◽  
Ming-Hong Tai ◽  
...  
Keyword(s):  
Nanoparticle Synthesis ◽  
Research Field ◽  
Synthesis Methods ◽  
Synthetic Approach ◽  
Future Directions ◽  
The Road ◽  
New Methods ◽  
Recent Developments ◽  
Theranostic Applications ◽  
Insight Into

With the emergence of nanotechnology, new methods have been developed for engineering various nanoparticles for biomedical applications. Nanotheranostics is a burgeoning research field with tremendous prospects for the improvement of diagnosis and treatment of various cancers. However, the development of biocompatible and efficient drug/gene delivery theranostic systems still remains a challenge. Green synthetic approach of nanoparticles with low capital and operating expenses, reduced environmental pollution and better biocompatibility and stability is a latest and novel field, which is advantageous over chemical or physical nanoparticle synthesis methods. In this article, we summarize the recent research progresses related to green synthesized nanoparticles for cancer theranostic applications, and we also conclude with a look at the current challenges and insight into the future directions based on recent developments in these areas.

Metal-organic Nanopharmaceuticals

2020 ◽  
Vol 8 (3) ◽  
pp. 163-190
Author(s):  
Benjamin Steinborn ◽  
Ulrich Lächelt
Keyword(s):  
Metal Ions ◽  
Coordination Polymers ◽  
Active Agent ◽  
Lewis Base ◽  
High Loading ◽  
Active Components ◽  
Base Functions ◽  
Metal Organic ◽  
Theranostic Applications ◽  
Pharmacologically Active

: Coordinative interactions between multivalent metal ions and drug derivatives with Lewis base functions give rise to nanoscale coordination polymers (NCPs) as delivery systems. As the pharmacologically active agent constitutes a main building block of the nanomaterial, the resulting drug loadings are typically very high. By additionally selecting metal ions with favorable pharmacological or physicochemical properties, the obtained NCPs are predominantly composed of active components which serve individual purposes, such as pharmacotherapy, photosensitization, multimodal imaging, chemodynamic therapy or radiosensitization. By this approach, the assembly of drug molecules into NCPs modulates pharmacokinetics, combines pharmacological drug action with specific characteristics of metal components and provides a strategy to generate tailorable multifunctional nanoparticles. This article reviews different applications and recent examples of such highly functional nanopharmaceuticals with a high ‘material economy’. : Lay Summary: Nanoparticles, that are small enough to circulate in the bloodstream and can carry cargo molecules, such as drugs, imaging or contrast agents, are attractive materials for pharmaceutical applications. A high loading capacity is a generally aspired parameter of nanopharmaceuticals to minimize patient exposure to unnecessary nanomaterial. Pharmaceutical agents containing Lewis base functions in their molecular structure can directly be assembled into metal-organic nanopharmaceuticals by coordinative interaction with metal ions. Such coordination polymers generally feature extraordinarily high loading capacities and the flexibility to encapsulate different agents for a simultaneous delivery in combination therapy or ‘theranostic’ applications.

Lipid-polymer hybrid nanoparticles: Synthesis strategies and biomedical applications

2019 ◽  
Vol 160 ◽  
pp. 130-142 ◽  
Author(s):  
Vivek Dave ◽  
Kajal Tak ◽  
Amit Sohgaura ◽  
Ashish Gupta ◽  
Veera Sadhu ◽  
...  
Keyword(s):  
Biomedical Applications ◽  
Hybrid Nanoparticles ◽  
Polymer Hybrid ◽  
Nanoparticles Synthesis

scholarly journals Hybrid Biopolymer and Lipid Nanoparticles with Improved Transfection Efficacy for mRNA

Cells ◽  
2020 ◽  
Vol 9 (9) ◽  
pp. 2034 ◽  
Author(s):  
Christian D. Siewert ◽  
Heinrich Haas ◽  
Vera Cornet ◽  
Sara S. Nogueira ◽  
Thomas Nawroth ◽  
...  
Keyword(s):  
Small Angle ◽  
Messenger Rna ◽  
Physicochemical Characterization ◽  
Single Step ◽  
Model Systems ◽  
Molecular Organization ◽  
Hybrid Nanoparticles ◽  
Polymer Mixture ◽  
Internal Organization ◽  
Transfection Efficacy

Hybrid nanoparticles from lipidic and polymeric components were assembled to serve as vehicles for the transfection of messenger RNA (mRNA) using different portions of the cationic lipid DOTAP (1,2-Dioleoyl-3-trimethylammonium-propane) and the cationic biopolymer protamine as model systems. Two different sequential assembly approaches in comparison with a direct single-step protocol were applied, and molecular organization in correlation with biological activity of the resulting nanoparticle systems was investigated. Differences in the structure of the nanoparticles were revealed by thorough physicochemical characterization including small angle neutron scattering (SANS), small angle X-ray scattering (SAXS), and cryogenic transmission electron microscopy (cryo-TEM). All hybrid systems, combining lipid and polymer, displayed significantly increased transfection in comparison to lipid/mRNA and polymer/mRNA particles alone. For the hybrid nanoparticles, characteristic differences regarding the internal organization, release characteristics, and activity were determined depending on the assembly route. The systems with the highest transfection efficacy were characterized by a heterogenous internal organization, accompanied by facilitated release. Such a system could be best obtained by the single step protocol, starting with a lipid and polymer mixture for nanoparticle formation.

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