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New insights into the thermal behaviour of organic ionic plastic crystals: magnetic resonance imaging of polycrystalline morphology alterations induced by solid-solid phase transitions.

Physical chemistry chemical physics : PCCP

Romanenko K, Pringle JM, O'Dell LA, Forsyth M.
PMID: 26130025
Phys Chem Chem Phys. 2015 Jul 15;17(29):18991-9000. doi: 10.1039/c5cp03294f.

Organic ionic plastic crystals (OIPCs) show strong potential as solid-state electrolytes for lithium battery applications, demonstrating promising electrochemical performance and eliminating the need for a volatile and flammable liquid electrolyte. The ionic conductivity (σ) in these systems has recently...

Is 48 hours enough for Obstetrics and Gynaecology training in Europe?.

Facts, views & vision in ObGyn

Rose K, Van de Venne M, Abakke AJ, Romanek K, Redecha M.
PMID: 24753895
Facts Views Vis Obgyn. 2012;4(2):88-92.

The European Working Time Directive, implemented by the European Union (EU) in 1993, was adopted in the medical profession to improve patient safety as well as the working lives of doctors. The Directive reduced the average amount of hours...

Hit and go CAS9 delivered through a lentiviral based self-limiting circuit.

Nature communications

Petris G, Casini A, Montagna C, Lorenzin F, Prandi D, Romanel A, Zasso J, Conti L, Demichelis F, Cereseto A.
PMID: 28530235
Nat Commun. 2017 May 22;8:15334. doi: 10.1038/ncomms15334.

In vivo application of the CRISPR-Cas9 technology is still limited by unwanted Cas9 genomic cleavages. Long-term expression of Cas9 increases the number of genomic loci non-specifically cleaved by the nuclease. Here we develop a Self-Limiting Cas9 circuit for Enhanced...

New opportunities for quantitative and time efficient 3D MRI of liquid and solid electrochemical cell components: Sectoral Fast Spin Echo and SPRITE.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Romanenko K, Forsyth M, O'Dell LA.
PMID: 25442778
J Magn Reson. 2014 Nov;248:96-104. doi: 10.1016/j.jmr.2014.09.017. Epub 2014 Oct 02.

The ability to image electrochemical processes in situ using nuclear magnetic resonance imaging (MRI) offers exciting possibilities for understanding and optimizing materials in batteries, fuel cells and supercapacitors. In these applications, however, the quality of the MRI measurement is...

Solid state NMR characterization of individual compounds and solid solutions formed in Sc(2)O(3)--V(2)O(5)--Nb(2)O(5)--Ta(2)O(5) system.

Magnetic resonance in chemistry : MRC

Khabibulin D, Romanenko K, Zuev M, Lapina O.
PMID: 17924354
Magn Reson Chem. 2007 Nov;45(11):962-70. doi: 10.1002/mrc.2086.

In this study, (51)V, (45)Sc and (93)Nb MAS NMR combined with satellite transition spectroscopy analysis were used to characterize the complex solid mixtures: VNb(9(1-x))Ta(9x)O(25), ScNb((1-x))Ta(x)O(4) and ScNb(2(1-x))Ta(2x)VO(9) (x = 0, 0.3, 0.5, 0.7, 1.0). This led us to describe...

Odd-even effects in self-assembled monolayers of omega-(biphenyl-4-yl)alkanethiols: a first-principles study.

Langmuir : the ACS journal of surfaces and colloids

Heimel G, Romaner L, Brédas JL, Zojer E.
PMID: 18072797
Langmuir. 2008 Jan 15;24(2):474-82. doi: 10.1021/la7023814. Epub 2007 Dec 12.

Conjugated molecules with a saturated alkyl linker between a thiol docking group and the pi-conjugated core have been shown to form self-assembled monolayers (SAMs) with a high degree of long-range order and uniformity. Additionally, pronounced odd-even effects have been...

Nanoscale pit formation at 2D Ge layers on Si: influence of energy and entropy.

Physical review letters

Romanyuk K, Brona J, Voigtländer B.
PMID: 19792808
Phys Rev Lett. 2009 Aug 28;103(9):096101. doi: 10.1103/PhysRevLett.103.096101. Epub 2009 Aug 25.

The structural stability of two-dimensional (2D) SiGe nanostructures is studied by scanning tunneling microscopy. The formation of pits with a diameter of 2-30 nm in one atomic layer thick Ge stripes is observed. The unanticipated pit formation occurs due...

Long-term survival with primary glioblastoma multiforme: a clinical study in bulgarian patients.

Case reports in oncology

Naydenov E, Tzekov C, Minkin K, Nachev S, Romansky K, Bussarsky V.
PMID: 21537375
Case Rep Oncol. 2011 Jan 04;4(1):1-11. doi: 10.1159/000323432.

Glioblastoma multiforme (GBM) is the most common and aggressive primary brain tumor with an extremely poor prognosis in spite of multimodal treatment approaches. The estimated median survival in cases with GBM is about 12-16 months. Those patients who survive...

Spatially resolved measurements of mean spin-spin relaxation time constants.

Journal of magnetic resonance (San Diego, Calif. : 1997)

Nechifor RE, Romanenko K, Marica F, Balcom BJ.
PMID: 24361482
J Magn Reson. 2014 Feb;239:16-22. doi: 10.1016/j.jmr.2013.11.012. Epub 2013 Dec 03.

Magnetic Resonance measurements of the T2 distribution have become very common and they are a powerful way to probe microporous fluid bearing solids. While the structure of the T2 distribution, and changes in the structure, are often very informative,...

Effect of rhenium on the dislocation core structure in tungsten.

Physical review letters

Romaner L, Ambrosch-Draxl C, Pippan R.
PMID: 20866976
Phys Rev Lett. 2010 May 14;104(19):195503. doi: 10.1103/PhysRevLett.104.195503. Epub 2010 May 13.

Despite exhibiting the highest melting point of all metals, the technological use of tungsten is hampered by its room-temperature brittleness. Alloying with Re significantly ductilizes the material which has been assigned to modified properties of the 1/2(111) screw dislocation....

Epitaxy of rodlike organic molecules on sheet silicates--a growth model based on experiments and simulations.

Journal of the American Chemical Society

Simbrunner C, Nabok D, Hernandez-Sosa G, Oehzelt M, Djuric T, Resel R, Romaner L, Puschnig P, Ambrosch-Draxl C, Salzmann I, Schwabegger G, Watzinger I, Sitter H.
PMID: 21309570
J Am Chem Soc. 2011 Mar 09;133(9):3056-62. doi: 10.1021/ja109729e. Epub 2011 Feb 10.

During the last years, self-assembled organic nanostructures have been recognized as a proper fundament for several electrical and optical applications. In particular, phenylenes deposited on muscovite mica have turned out to be an outstanding material combination. They tend to...

Distortion-free inside-out imaging for rapid diagnostics of rechargeable Li-ion cells.

Proceedings of the National Academy of Sciences of the United States of America

Romanenko K, Jerschow A.
PMID: 31471492
Proc Natl Acad Sci U S A. 2019 Sep 17;116(38):18783-18789. doi: 10.1073/pnas.1906976116. Epub 2019 Aug 30.

Safety risks associated with modern high energy-dense rechargeable cells highlight the need for advanced battery screening technologies. A common rechargeable cell exposed to a uniform magnetic field creates a characteristic field perturbation due to the inherent magnetism of electrochemical...

Showing 1 to 12 of 100 entries