Results 1 to 10 of about 155,404 (340)

Platinum group metals for nuclear medicine, a luxurious dream or the future of imaging and therapy: a review [PDF]

open access: yesFrontiers in Nuclear Medicine
Platinum group metals (PGMs) consist of six transition metals: platinum (Pt), palladium (Pd), rhodium (Rh), osmium (Os), iridium (Ir), and ruthenium (Ru). PGMs have been used notably in industrial, electronic, and medical applications.
Daniel G. Racz, Ivis F. Chaple
doaj   +2 more sources

Validation of the ICP-MS Method for Determination of Trace Elements Provided by ICH Q3D Guideline in Fosamprenavir Calcium [PDF]

open access: yesKemija u Industriji, 2021
Fosamprenavir calcium is an active pharmaceutical ingredient (API) in which trace elements must be monitored by ICH Q3D Guideline. It delivers appropriate method to ensure the quality of the product and its safe use.
Irena Radić   +9 more
doaj   +1 more source

Osmium Recovery as Membrane Nanomaterials through 10–Undecenoic Acid Reduction Method

open access: yesMembranes, 2021
The recovery of osmium from residual osmium tetroxide (OsO4) is a necessity imposed by its high toxicity, but also by the technical-economic value of metallic osmium.
Paul Constantin Albu   +10 more
doaj   +1 more source

Interplay of Anisotropic Exchange Interactions and Single-Ion Anisotropy in Single-Chain Magnets Built from Ru/Os Cyanidometallates(III) and Mn(III) Complex

open access: yesMolecules, 2023
Two novel 1D heterobimetallic compounds {[MnIII(SB2+)MIII(CN)6]·4H2O}n (SB2+ = N,N′-ethylenebis(5-trimethylammoniomethylsalicylideneiminate) based on orbitally degenerate cyanidometallates [OsIII(CN)6]3− (1) and [RuIII(CN)6]3− (2) and MnIII Schiff base ...
Vladimir S. Mironov   +2 more
doaj   +1 more source

Preparation and emission performance of tungsten-osmium mixed matrix dispenser cathode by microwave sintering

open access: yesFenmo yejin jishu, 2023
Submicron tungsten-osmium mixed powders with the different content of Os (atomic number fraction) were prepared by solid‒liquid mixing method. The tungsten-osmium mixed matrix disperser cathodes with the uniform pore structure were obtained by microwave ...
LIU Wei   +7 more
doaj   +1 more source

In situ X-ray-assisted electron microscopy staining for large biological samples

open access: yeseLife, 2022
Electron microscopy of biological tissue has recently seen an unprecedented increase in imaging throughput moving the ultrastructural analysis of large tissue blocks such as whole brains into the realm of the feasible.
Sebastian Ströh   +4 more
doaj   +1 more source

Reactional Processes on Osmium–Polymeric Membranes for 5–Nitrobenzimidazole Reduction

open access: yesMembranes, 2021
Membranes are associated with the efficient processes of separation, concentration and purification, but a very important aspect of them is the realization of a reaction process simultaneously with the separation process.
Aurelia Cristina Nechifor   +11 more
doaj   +1 more source

Dioxygen Activation by Internally Aromatic Metallacycle: Crystallographic Structure and Mechanistic Investigations

open access: yesiScience, 2020
Summary: Mononuclear metal-peroxo species are invoked as the key intermediates in metalloenzymatic or synthetic catalysis. However, either transience or sluggishness reactivity of synthetic analogs of metal-peroxo species impedes our understanding of ...
Zhihong Deng   +7 more
doaj   +1 more source

Interstitial boron-triggered electron-deficient Os aerogels for enhanced pH-universal hydrogen evolution

open access: yesNature Communications, 2022
While noble metals can be active electrocatalysts for producing renewable H2, there are relatively few works examining osmium materials. Here, the authors prepare boron-doped osmium aerogels for H2 evolution electrocatalysis plus examine the mechanism ...
Yinghao Li   +6 more
doaj   +1 more source

Osmium: The latest precious metal on the rise [PDF]

open access: yesBankarstvo, 2021
Every investor knows of precious metals - they have been reliable asset classes for years and have been a means of payment for centuries. Most popular and widely known are gold, silver, platinum, and palladium. But there are in fact eight precious metals.
Jakić Ljuba
doaj   +1 more source

Home - About - Disclaimer - Privacy