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Showing 25 to 36 of 885 entries
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Visible laser emission of solid state pumped LiLuF(4):Pr(3+).

Optics express

Cornacchia F, Richter A, Heumann E, Huber G, Parisi D, Tonelli M.
PMID: 19532327
Opt Express. 2007 Feb 05;15(3):992-1002. doi: 10.1364/oe.15.000992.

In the present work we report on the growth, spectroscopy and laser results of LiLuF(4):Pr(3+) 1.25% in the melt. Room temperature polarized absorption and emission spectra have been recorded and the decay time of the (3)P0 manifold has been...

Phase transitions of bipartite entanglement.

Physical review letters

Facchi P, Marzolino U, Parisi G, Pascazio S, Scardicchio A.
PMID: 18764381
Phys Rev Lett. 2008 Aug 01;101(5):050502. doi: 10.1103/PhysRevLett.101.050502. Epub 2008 Jul 30.

We analyze the statistical properties of the entanglement of a large bipartite quantum system. By framing the problem in terms of random matrices and a fictitious temperature, we unveil the existence of two phase transitions, characterized by different spectra...

Spin conserving natural orbital functional theory.

The Journal of chemical physics

Piris M, Matxain JM, Lopez X, Ugalde JM.
PMID: 19603963
J Chem Phys. 2009 Jul 14;131(2):021102. doi: 10.1063/1.3180958.

The natural orbital functional theory is considered for spin uncompensated systems, i.e., systems that have one or more unpaired electrons. The well-known cumulant expansion is used to reconstruct the two-particle reduced density matrix. A new condition to ensure the...

From membrane pores to aquaporins: 50 years measuring water fluxes.

Journal of biological physics

Parisi M, Dorr RA, Ozu M, Toriano R.
PMID: 19669522
J Biol Phys. 2007 Dec;33(5):331-43. doi: 10.1007/s10867-008-9064-5. Epub 2008 May 09.

This review focuses on studies of water movement across biological membranes performed over the last 50 years. Different scientific approaches had tried to elucidate such intriguing mechanism, from hypotheses emphasizing the role of the lipid bilayer to the cloning...

Performance of PNOF3 for reactivity studies: X[BO] and X[CN] isomerization reactions (X = H, Li) as a case study.

Physical chemistry chemical physics : PCCP

Lopez X, Piris M, Matxain JM, Ugalde JM.
PMID: 20490410
Phys Chem Chem Phys. 2010 Oct 28;12(40):12931-4. doi: 10.1039/c003379k. Epub 2010 May 20.

Natural Orbital Functional Theory in its PNOF3 implementation is used to investigate the potential energy surfaces of four isomerization reactions: (i) BOH to HBO; (ii) BOLi to LiBO; (iii) CNH to HCN; and (iv) CNLi to LiCN. These reactions...

Effect of ionic liquids on the Menschutkin reaction: an experimental and theoretical study.

The Journal of organic chemistry

Bini R, Chiappe C, Pomelli CS, Parisi B.
PMID: 19908910
J Org Chem. 2009 Nov 20;74(22):8522-30. doi: 10.1021/jo9009408.

The effect of ionic liquids (ILs) on the Menschutkin reaction between N-methylimidazole and benzyl halides has been investigated. Hammett correlations have been used to obtain information on the reaction mechanism of benzyl chlorides in ionic and molecular solvents. The...

Influence of angiotensin-converting enzyme I/D gene polymorphism on clinical and histological correlates of chronic hepatitis C.

Hepatology research : the official journal of the Japan Society of Hepatology

Fabris C, Smirne C, Fangazio S, Toniutto P, Burlone M, Minisini R, Bitetto D, Falleti E, Cerutti A, Pirisi M.
PMID: 19456900
Hepatol Res. 2009 Aug;39(8):795-804. doi: 10.1111/j.1872-034X.2009.00518.x. Epub 2009 Apr 23.

AIM: This study aimed to verify the relationship between the insertion-deletion (I/D) polymorphism of angiotensin-converting enzyme (ACE) and clinical and histological correlates of chronic hepatitis C.METHODS: Two-hundred and fifty-eight, treatment naive, unselected hepatitis C virus (HCV) RNA-positive patients and...

Iron metabolism genes in Antarctic notothenioids: A review.

Marine genomics

Scudiero R, Trinchella F, Parisi E.
PMID: 21798157
Mar Genomics. 2008 Sep-Dec;1(3):79-85. doi: 10.1016/j.margen.2008.12.001. Epub 2009 Jan 31.

Iron is an essential element for metabolic processes intrinsic to life, but the properties that make iron a necessity also make it potentially deleterious. To avoid harm, iron homeostasis is achieved through iron transport, storage and regulatory proteins. The...

Renormalization group computation of the critical exponents of hierarchical spin glasses.

Physical review. E, Statistical, nonlinear, and soft matter physics

Castellana M, Parisi G.
PMID: 21230225
Phys Rev E Stat Nonlin Soft Matter Phys. 2010 Oct;82(4):040105. doi: 10.1103/PhysRevE.82.040105. Epub 2010 Oct 15.

The large scale behavior of the simplest non-mean-field spin-glass system is analyzed, and the critical exponent related to the divergence of the correlation length is computed at two loops within the ε-expansion technique with two independent methods. The techniques...

Effect of heparin and low-molecular weight heparin on serum potassium and sodium levels.

Journal of pharmacology & pharmacotherapeutics

Bengalorkar GM, Sarala N, Venkatrathnamma PN, Kumar TN.
PMID: 22025855
J Pharmacol Pharmacother. 2011 Oct;2(4):266-9. doi: 10.4103/0976-500X.85956.

INTRODUCTION: To study the effects of heparin and low-molecular weight heparin (LMWH) on potassium and sodium levels in patients with cardiovascular diseases (CVDs) and stroke.MATERIALS AND METHODS: Sixty patients were recruited with 30 patients each receiving heparin and enoxaparin....

Expression of drug targets in primary and matched metastatic renal cell carcinoma tumors.

BMC clinical pathology

Aziz SA, Sznol JA, Adeniran A, Parisi F, Kluger Y, Camp RL, Kluger HM.
PMID: 23374878
BMC Clin Pathol. 2013 Feb 01;13:3. doi: 10.1186/1472-6890-13-3.

BACKGROUND: Targeted therapies in renal cell carcinoma can have different effects on primary and metastatic tumors. To pave the way for predictive biomarker development, we assessed differences in expression of targets of currently approved drugs in matched primary and...

Multisurface coding simulations of the restricted solid-on-solid model in four dimensions.

Physical review. E, Statistical, nonlinear, and soft matter physics

Pagnani A, Parisi G.
PMID: 23410269
Phys Rev E Stat Nonlin Soft Matter Phys. 2013 Jan;87(1):010102. doi: 10.1103/PhysRevE.87.010102. Epub 2013 Jan 14.

We study the restricted solid-on-solid model for surface growth in spatial dimension d=4 by means of a multisurface coding technique that allows us to analyze samples of size up to 256(4) in the steady-state regime. For such large systems...

Showing 25 to 36 of 885 entries