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Showing 1 to 12 of 29 entries
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Magnetic interactions in supramolecular N-O...H-C[triple bond]C- type hydrogen-bonded nitronylnitroxide radical chains.

The journal of physical chemistry. B

Rajadurai C, Enkelmann V, Zoppellaro G, Baumgarten M.
PMID: 17428081
J Phys Chem B. 2007 May 03;111(17):4327-34. doi: 10.1021/jp066605k. Epub 2007 Apr 12.

Two paramagnetic building blocks, 2-(4-ethynyl-1-phenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl (3) and 2-(5-ethynyl-2-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl (4) were synthesized and crystallized. Single crystal X-ray studies of 3 and 4 show the formation of supramolecular head-to-tail one-dimensional H-bonded (N-O...H-C[triple bond]C- type) chain structures with O...C distances of 3.181...

Reactivity of fluorographene is triggered by point defects: beyond the perfect 2D world.

Nanoscale

Medveď M, Zoppellaro G, Ugolotti J, Matochová D, Lazar P, Pospíšil T, Bakandritsos A, Tuček J, Zbořil R, Otyepka M.
PMID: 29442111
Nanoscale. 2018 Mar 08;10(10):4696-4707. doi: 10.1039/c7nr09426d.

Preparation of graphene derivatives using fluorographene (FG) as a precursor has become a key strategy for the large-scale synthesis of new 2-D materials (e.g. graphene acid, cyanographene, allyl-graphene) with tailored physicochemical properties. However, to gain full control over the...

Percutaneous vertebroplasty and spinal cord compression: a case report.

Journal of radiology case reports

Morghen I, Borrelli M, Saletti A, Zoppellari R.
PMID: 22470648
J Radiol Case Rep. 2009;3(3):17-20. doi: 10.3941/jrcr.v3i3.108. Epub 2009 Mar 01.

This report describes a 60-year-old woman with intensive back pain due to metastatic vertebral body collapse, who underwent percutaneous vertebroplasty. Subsequently, the patient developed metastatic lesion extrusion into the spinal canal because of pressure of the cement, with compression...

Microwave Energy Drives "On-Off-On" Spin-Switch Behavior in Nitrogen-Doped Graphene.

Advanced materials (Deerfield Beach, Fla.)

Zoppellaro G, Bakandritsos A, Tuček J, Błoński P, Susi T, Lazar P, Bad'ura Z, Steklý T, Opletalová A, Otyepka M, Zbořil R.
PMID: 31379033
Adv Mater. 2019 Sep;31(37):e1902587. doi: 10.1002/adma.201902587. Epub 2019 Aug 05.

The established application of graphene in organic/inorganic spin-valve spintronic assemblies is as a spin-transport channel for spin-polarized electrons injected from ferromagnetic substrates. To generate and control spin injection without such substrates, the graphene backbone must be imprinted with spin-polarized...

Importance of Val567 on heme environment and substrate recognition of neuronal nitric oxide synthase.

FEBS open bio

Olsbu IK, Zoppellaro G, Andersson KK, Boucher JL, Hersleth HP.
PMID: 30186754
FEBS Open Bio. 2018 Aug 20;8(9):1553-1566. doi: 10.1002/2211-5463.12503. eCollection 2018 Sep.

Nitric oxide (NO) produced by mammalian nitric oxide synthases (mNOSs) is an important mediator in a variety of physiological functions. Crystal structures of mNOSs have shown strong conservation of the active-site residue Val567 (numbering for rat neuronal NOS, nNOS)....

On-surface structural and electronic properties of spontaneously formed Tb.

Nanoscale

Hellerstedt J, Cahlík A, Švec M, de la Torre B, Moro-Lagares M, Chutora T, Papoušková B, Zoppellaro G, Mutombo P, Ruben M, Zbořil R, Jelinek P.
PMID: 30087975
Nanoscale. 2018 Aug 23;10(33):15553-15563. doi: 10.1039/c8nr04215b.

The single molecule magnet (SMM) bis(phthalocyaninato)terbium(iii) (TbPc2) has received significant and increasing attention as an exemplar system for realizing molecule-based spin electronics. Attaining higher nuclearity via multi-decker TbPc systems has remained an outstanding challenge, as known examples of Tb2Pc3...

Zigzag sp.

ACS nano

Tuček J, Holá K, Zoppellaro G, Błoński P, Langer R, Medved' M, Susi T, Otyepka M, Zbořil R.
PMID: 30516956
ACS Nano. 2018 Dec 26;12(12):12847-12859. doi: 10.1021/acsnano.8b08052. Epub 2018 Dec 10.

Stabilization of ferromagnetic ordering in graphene-based systems up to room temperature remains an important challenge owing to the huge scope for applications in electronics, spintronics, biomedicine, and separation technologies. To date, several strategies have been proposed, including edge engineering,...

Enhancing Magnetic Cooperativity in Fe(II) Triazole-based Spin-crossover Nanoparticles by Pluronic Matrix Confinement.

Chemistry, an Asian journal

Zoppellaro G, Čépe K, Aparicio C, Ugolotti J, Zbořil R.
PMID: 32644284
Chem Asian J. 2020 Sep 01;15(17):2637-2641. doi: 10.1002/asia.202000623. Epub 2020 Jul 23.

Polymeric one-dimensional (1D) triazole-based Fe

Carboxylated Graphene for Radical-Assisted Ultra-Trace-Level Water Treatment and Noble Metal Recovery.

ACS nano

Kolařík J, Bakandritsos A, Bad'ura Z, Lo R, Zoppellaro G, Kment Š, Naldoni A, Zhang Y, Petr M, Tomanec O, Filip J, Otyepka M, Hobza P, Zbořil R.
PMID: 33464824
ACS Nano. 2021 Feb 23;15(2):3349-3358. doi: 10.1021/acsnano.0c10093. Epub 2021 Jan 19.

Sorption technologies, enabling removal of heavy metals, play a pivotal role in meeting the global demands for unrestricted access to drinking water. Standard sorption technologies suffer from limited efficiency related to the weak sorbent-metal interaction. Further challenges include the...

Strong electronic correlations in LixZnPc organic metals.

Physical review letters

Filibian M, Carretta P, Mozzati MC, Ghigna P, Zoppellaro G, Ruben M.
PMID: 18517827
Phys Rev Lett. 2008 Mar 21;100(11):117601. doi: 10.1103/PhysRevLett.100.117601. Epub 2008 Mar 19.

Nuclear magnetic resonance, electron paramagnetic resonance and magnetization measurements show that bulk LixZnPc are strongly correlated one-dimensional metals. The temperature dependence of the nuclear spin-lattice relaxation rate 1/T_{1} and of the static uniform susceptibility chi_{S} on approaching room temperature...

Light-Induced Migration of Spin Defects in TiO.

ChemSusChem

Bad'ura Z, Naldoni A, Qin S, Bakandritsos A, Kment Š, Schmuki P, Zoppellaro G.
PMID: 34384004
ChemSusChem. 2021 Oct 20;14(20):4408-4414. doi: 10.1002/cssc.202101218. Epub 2021 Aug 31.

The photocatalytic activity for H

A multifunctional high-spin biradical pyrazolylbipyridine-bisnitronylnitroxide.

Organic letters

Zoppellaro G, Enkelmann V, Geies A, Baumgarten M.
PMID: 15606102
Org Lett. 2004 Dec 23;6(26):4929-32. doi: 10.1021/ol0479040.

[structure: see text] Synthesis and UV-vis, IR, and EPR spectroscopic characterizations, together with X-ray structural analysis, of functional nitronyl- and iminonitroxides attached to pyrazolylbipyridine are described. The exchange interactions between the nitronylnitroxides are found to be stronger than for...

Showing 1 to 12 of 29 entries