Results 51 to 60 of about 8,894 (158)

Ruthenium nanoparticles supported on hydroxyapatite as an efficient and recyclable catalyst for cis-dihydroxylation and oxidative cleavage of alkenes [PDF]

open access: yes, 2004
Impregnation of hydroxyapatite with colloidal ruthenium results in the formation of a catalyst that effects cis-dihydroxylation and oxidative cleavage of alkenes to their respective cis-1,2-diols and carbonyl products in good to excellent yields (see ...
Che, CM, Ho, CM, Yu, WY
core   +1 more source

Precious metal carborane polymer nanoparticles: characterisation of micellar formulations and anticancer activity [PDF]

open access: yes, 2014
YesWe report the encapsulation of highly hydrophobic 16-electron organometallic ruthenium and osmium carborane complexes [Ru/Os(p-cymene)(1,2-dicarba-closo-dodecarborane-1,2-dithiolate)] (1 and 2) in Pluronic® triblock copolymer P123 core–shell micelles.
Aird   +99 more
core   +3 more sources

Experimental and theoretical investigation of ligand effects on the synthesis of ZnO nanoparticles [PDF]

open access: yes, 2012
ZnO nanoparticles with highly controllable particle sizes(less than 10 nm) were synthesized using organic capping ligands in Zn(Ac)2 ethanolic solution.
A Dev   +68 more
core   +3 more sources

A general perspective of the characterization and quantification of nanoparticles: Imaging, spectroscopic, and separation techniques [PDF]

open access: yes, 2014
This article gives an overview of the different techniques used to identify, characterize, and quantify engineered nanoparticles (ENPs). The state-of-the-art of the field is summarized, and the different characterization techniques have been grouped ...
Anderson de la LLana, S.   +10 more
core   +3 more sources

Analysis of cellular responses of macrophages to zinc ions and zinc oxide nanoparticles: a combined targeted and proteomic approach [PDF]

open access: yes, 2014
Two different zinc oxide nanoparticles, as well as zinc ions, are used to study the cellular responses of the RAW 264 macrophage cell line. A proteomic screen is used to provide a wide view of the molecular effects of zinc, and the most prominent results
Armand, Lucie   +13 more
core   +4 more sources

Visualization and quantitative analysis of nanoparticles in the respiratory tract by transmission electron microscopy [PDF]

open access: yes, 2007
: Nanotechnology in its widest sense seeks to exploit the special biophysical and chemical properties of materials at the nanoscale. While the potential technological, diagnostic or therapeutic applications are promising there is a growing body of ...
Christian Mühlfeld   +5 more
core   +1 more source

Osmium and OsOx nanoparticles: an overview of syntheses and applications [version 2; peer review: 2 approved]

open access: yesOpen Research Europe, 2022
Precious metal nanoparticles are key for a range of applications ranging from catalysis and sensing to medicine. While gold (Au), silver (Ag), platinum (Pt), palladium (Pd) or ruthenium (Ru) nanoparticles have been widely studied, other precious metals are less investigated. Osmium (Os) is one of the least studied of the precious metals.
openaire   +1 more source

Design of dinuclear osmium complex doped antifouling cellulose nanoparticles for targeting and dual photodynamic/photothermal therapy under near infrared irradiation

open access: yesInternational Journal of Biological Macromolecules
Transition metal complexes has been explored in the treatment of tumors in photodynamic theray (PDT) or photothermal therapy (PTT) and Osmium complex attracts attentration due to its lower toxicity and longer absorption wavelength. However, there was no report about binuclear Os complex for combined therapy of PDT and PTT which could have a synergistic
Xilin, Xiong   +14 more
openaire   +3 more sources

Effects of Silver Nanoparticles on Primary Mixed Neural Cell Cultures: Uptake, Oxidative Stress and Acute Calcium Responses [PDF]

open access: yes, 2017
In the body, nanoparticles can be systemically distributed and then may affect secondary target organs, such as the central nervous system (CNS). Putative adverse effects on the CNS are rarely investigated to date.
Graf, Philipp   +9 more
core  

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