Results 81 to 90 of about 21,126 (236)

Interactions of trivalent lanthanide cations with a new hexadentate di-Schiff base : new lanthanide(III) complexes from (NE,N ' E)-2,2 '-(ethane-1,2-diylbis(oxy))bis(N-(pyridin-2-ylmethylene)ethanamine) [PDF]

open access: yes, 2010
This research was cofunded by the European Union in the framework of the program “Heraklitos” of the “Operational Program for Education and Initial Vocational Training” of the 3rd Community Support Framework of the Hellenic Ministry of Education, funded ...
Konstantina Skorda   +11 more
core   +1 more source

Switchable Dual Emission of Luminescent Metal–Organic Framework@Nanoparticle Composites of EuBDC and ZrO‐Containing Hybrid Materials

open access: yesEuropean Journal of Inorganic Chemistry, EarlyView.
Luminescent metal–organic framework@nanoparticle composites show dual emission of both components EuBDC and zirconyl‐containing nanoparticles, being reversible, excitation energy‐dependent and solvatochromic switches. The chromaticity changes are fast, as no chemical transformation is involved and required as source of the dual emission.
Tobias Wehner   +3 more
wiley   +1 more source

Enhancing Optogenetics‐Based Cancer Therapy Via Nanotechnology

open access: yesExploration, EarlyView.
Nanotechnology enhances optogenetics‐based cancer therapy through improved delivery systems and non‐invasive optical regulation. It further enables precise and programmable control of optogenetic living therapeutics for localized antitumor responses.
Honggang Shen   +8 more
wiley   +1 more source

Soil Contamination Around the Copper Smelter and the Use of Soil Microarthropods as Bioindicators

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Soil contamination from smelter emissions, including heavy metals (HM), rare earth elements (REEs), and sulfur, poses a significant threat to soil ecosystems. In the immediate vicinity of the Głogów Copper Smelter, HM concentrations were several times higher than in more distant forest stands.
Jacek Malica   +10 more
wiley   +1 more source

Europium-151 Mössbauer Effect Study of Relaxation in Two Bi(pentamethylcyclopentadienyl) Europium(II) Complexes [PDF]

open access: yes, 1988
Europium-151 Mössbauer spectra of two bis(pentamethylcyclopentadienyl) europium complexes have been recorded at 78K. The broad spectra with linewidths of 14.2 and 11.6 mm/s, and with isomer shifts of -12.5 and -12.8 mm/s, relative to EuF3 may be ...
Ulibarri, Tamara A.   +4 more
core   +1 more source

The first-order magnetoelastic transition in Eu2In: A 151Eu Mössbauer study

open access: yesAIP Advances, 2019
Our 151Eu Mössbauer investigation of Eu2In and Eu2Sn shows that the europium in both materials is fully divalent. We confirm the distinct thermodynamic orders of the magnetic transitions and reveal a remarkable difference between the magnetic ...
D. H. Ryan   +5 more
doaj   +1 more source

Sustainable Metal Recovery From E‐Waste: Exploring Greener Leachates in Hydrometallurgical Processes

open access: yesMetalMat, EarlyView.
Recycling of electronic waste to synthesize valuable metals using green leachate. ABSTRACT The accumulation of electronic waste (e‐waste) poses environmental hazards and leads to the loss of valuable metals such as gold, silver, copper, and rare earth elements.
Shassatha Paul Saikat   +4 more
wiley   +1 more source

Brain Clearance of Contrast Agent in Intravenous DCE‐MRI Is Measurable and Cannot Be Explained by Clearance Across the BBB Alone

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To determine the feasibility of measuring brain clearance of gadolinium contrast agent using standard intravenous DCE‐MRI acquisitions and evaluate the contribution of blood–brain barrier (BBB) and non‐BBB clearance routes. Methods Uptake and extended Tofts models were fit to DCE‐MRI data from people with Parkinson's disease, post ...
Martin Kozár   +8 more
wiley   +1 more source

Spectral properties of hybrid associates of colloidal quantum dots Zn0.5Cd0.5S, europium tenoyltrifluoroacetonate and methylene blue

open access: yesEPJ Web of Conferences, 2018
Hybrid associates formed from colloidal Zn0.5Cd0.5S quantum dots, passivated with thioglycolic acid, europium tenoyltrioteracetonate and methylene blue molecules, absorption, luminescence, IR and time-resolved spectroscopy technique are studied.
Smirnov Mikhail S.   +4 more
doaj   +1 more source

Cation-Controlled Self-Assembly of a Hexameric Europium Wheel [PDF]

open access: yes, 2016
The simple asymmetric tetradentate ligand 2,2‘:6‘,2‘ ‘-terpyridine-6-carboxylic acid leads to the self-assembly of the first europium nanowheel containing europium ions in two different coordination environments.
Marinella Mazzanti (1397707)   +3 more
core   +3 more sources

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