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Showing 1 to 12 of 421 entries
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Catastrophic Failure of the Acetabular Polyethylene Liner in Ceramic-on-Polyethylene Total Hip Arthroplasty.

Journal of orthopaedic case reports

Manzano G, Levin RA, Mayor MB, Schwarzkopf R.
PMID: 27298960
J Orthop Case Rep. 2014 Apr-Jun;4(2):51-6. doi: 10.13107/jocr.2250-0685.168.

INTRODUCTION: Catastrophic polyethylene failure is a rare complication of ceramic-on-polyethylene total hip arthroplasty due to the favorable tribological characteristics of ceramic. Failure of the polyethylene liner can be disastrous, increasing periprosthetic osteolysis, metallosis, and risk of dislocation. Complications associated...

Below-gap excitation of semiconducting single-wall carbon nanotubes.

Nanoscale

Soavi G, Grupp A, Budweg A, Scotognella F, Hefner T, Hertel T, Lanzani G, Leitenstorfer A, Cerullo G, Brida D.
PMID: 26488340
Nanoscale. 2015 Nov 21;7(43):18337-42. doi: 10.1039/c5nr05218a.

We investigate the optoelectronic properties of the semiconducting (6,5) species of single-walled carbon nanotubes by measuring ultrafast transient transmission changes with 20 fs time resolution. We demonstrate that photons with energy below the lowest exciton resonance efficiently lead to...

Brainstem cavernous malformations.

Journal of neurosurgical sciences

Petr O, Lanzino G.
PMID: 25943871
J Neurosurg Sci. 2015 Sep;59(3):271-82. Epub 2015 May 06.

Of all cavernous malformations (CMs), 4% to 35% are found in the brainstem accounting for 13% of vascular malformations of the posterior fossa. The annual risk of hemorrhage associated with a CM with no history of a previous hemorrhagic...

Erratum.

Journal of neurosurgery

Rammos S, Klopfenstein J, Augspurger L, Wang H, Poston J, Wagenbach A, Lanzino G.
PMID: 28306380
J Neurosurg. 2009 Jan;110(1):196. doi: 10.3171/jns.2009.110.1.196.

No abstract available.

High energetic excitons in carbon nanotubes directly probe charge-carriers.

Scientific reports

Soavi G, Scotognella F, Viola D, Hefner T, Hertel T, Cerullo G, Lanzani G.
PMID: 25959462
Sci Rep. 2015 May 11;5:9681. doi: 10.1038/srep09681.

Theory predicts peculiar features for excited-state dynamics in one dimension (1D) that are difficult to be observed experimentally. Single-walled carbon nanotubes (SWNTs) are an excellent approximation to 1D quantum confinement, due to their very high aspect ratio and low...

Time domain investigation of the intrachain vibrational dynamics of a prototypical light-emitting conjugated polymer.

Physical review letters

Lanzani G, Cerullo G, Brabec C, Sariciftci NS.
PMID: 12570458
Phys Rev Lett. 2003 Jan 31;90(4):047402. doi: 10.1103/PhysRevLett.90.047402. Epub 2003 Jan 31.

Coherent nuclear motion of the carbon backbone is monitored in real time in substituted poly(phenylene)-vinylene in both excited and ground electronic state using sub-10-fs light pulses. Characteristic features of the intrachain vibrational dynamics are obtained. We observe vibrational dephasing...

A randomised, open label, controlled trial on the effect of interferon plus amantadine compared with interferon alone for treatment of chronic hepatitis C.

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

Baisini O, Gracielle Pigozzi M, Benini F, Stellini R, Reggiani A, Quattrocchi D, Salmi A, Andri G, Cominotti A, Favret M, Gargiulo F, Lanzini A.
PMID: 12850687
Hepatol Res. 2003 Jul;26(3):167-173. doi: 10.1016/s1386-6346(03)00111-6.

BACKGROUND: Combination of the antiviral drug amantadine with interferon (IFN) may be more effective than IFN monotherapy for treatment of chronic hepatitis C. METHODS: We randomised 93 patients with chronic hepatitis C to IFNIFN 6 MU 3 times/week for...

Understanding fundamental processes in poly(9,9-dioctylfluorene) light-emitting diodes via ultrafast electric-field-assisted pump-probe spectroscopy.

Physical review letters

Virgili T, Cerullo G, Lüer L, Lanzani G, Gadermaier C, Bradley DD.
PMID: 12857226
Phys Rev Lett. 2003 Jun 20;90(24):247402. doi: 10.1103/PhysRevLett.90.247402. Epub 2003 Jun 18.

Femtosecond electric-field-assisted pump-probe measurements are a new approach to the study of fundamental processes within organic optoelectronic devices. Here we report a detailed study of organic light-emitting diodes based on poly(9,9-dioctylfluorene), using both temporal and spectral information to investigate...

Intersubband exciton relaxation dynamics in single-walled carbon nanotubes.

Physical review letters

Manzoni C, Gambetta A, Menna E, Meneghetti M, Lanzani G, Cerullo G.
PMID: 16090288
Phys Rev Lett. 2005 May 27;94(20):207401. doi: 10.1103/PhysRevLett.94.207401. Epub 2005 May 23.

We study exciton (EX) dynamics in single-walled carbon nanotubes (SWNTs) included in polymethylmethacrylate by two-color pump-probe experiments with unprecedented temporal resolution. In the semiconducting SWNTs, we resolve the intersubband energy relaxation from the EX2 to the EX1 transition and...

Paraseller meningiomas: incidence of involvement of extracavernous structures as determined by magnetic resonance and computed tomography.

Skull base surgery

Lanzino G, Hirsch WL, Pomonis S, Sekhar LN.
PMID: 17170906
Skull Base Surg. 1993;3(3):152-8. doi: 10.1055/s-2008-1060579.

Parasellar meningiomas frequently extend beyond the cavernous sinus into adjacent structures. In order to determine the incidence of involvement of adjacent sites, we retrospectively evaluated the computed tomography and nuclear magnetic resonance scans of 65 consecutive patients with meningiomas...

[Bacterial eradication. Role of beta-lactamases their inactivation in infectious disease].

Le infezioni in medicina

Blandino G, Boccazzi A, Nicoletti G.
PMID: 14978381
Infez Med. 1995 Jun;3(2):61-70.

No abstract available.

Imprinted sol-gel materials for monitoring degradation products in automotive oils by shear transverse wave.

Analytica chimica acta

Mujahid A, Afzal A, Glanzing G, Leidl A, Lieberzeit PA, Dickert FL.
PMID: 20708116
Anal Chim Acta. 2010 Aug 18;675(1):53-7. doi: 10.1016/j.aca.2010.07.005. Epub 2010 Jul 15.

Titania sol-gel layers imprinted with capric acid have been used as synthetic receptors for highly sensitive detection of oxidized products resulting from degradation of automotive engine oil. These layers have been applied as sensitive coating material on shear transverse...

Showing 1 to 12 of 421 entries