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Showing 25 to 36 of 855 entries
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Thermodynamics of quantum systems with multiple conserved quantities.

Nature communications

Guryanova Y, Popescu S, Short AJ, Silva R, Skrzypczyk P.
PMID: 27384384
Nat Commun. 2016 Jul 07;7:12049. doi: 10.1038/ncomms12049.

Recently, there has been much progress in understanding the thermodynamics of quantum systems, even for small individual systems. Most of this work has focused on the standard case where energy is the only conserved quantity. Here we consider a...

Transmandibular approach on 119 oral cavity and pharyngeal cancer patients.

Hippokratia

Berteșteanu SV, Popescu B, Grigore R.
PMID: 27418799
Hippokratia. 2015 Jul-Sep;19(3):286.

No abstract available.

Monitoring Charge Separation Processes in Quasi-One-Dimensional Organic Crystalline Structures.

Nano letters

Popescu A, Younts RA, Hoffman B, McAfee T, Dougherty DB, Ade HW, Gundogdu K, Bondarev IV.
PMID: 28873308
Nano Lett. 2017 Oct 11;17(10):6056-6061. doi: 10.1021/acs.nanolett.7b02471. Epub 2017 Sep 11.

We perform the transient absorption spectroscopy experiments to investigate the dynamics of the low-energy collective electron-hole excitations in α-copper phthalocyanine thin films. The results are interpreted in terms of the third-order nonlinear polarization response function. It is found that,...

Animated Depth Images for Interactive Remote Visualization of Time-Varying Data Sets.

IEEE transactions on visualization and computer graphics

Cui J, Ma Z, Popescu V.
PMID: 26355328
IEEE Trans Vis Comput Graph. 2014 Nov;20(11):1474-89. doi: 10.1109/TVCG.2013.259.

Remote visualization has become both a necessity, as data set sizes have grown faster than computer network performance, and an opportunity, as laptop, tablet, and smartphone mobile computing platforms have become ubiquitous. However, the conventional remote visualization (CRV) approach...

Sodium-Naphthalenide-Driven Synthesis of Base-Metal Nanoparticles and Follow-up Reactions.

Angewandte Chemie (International ed. in English)

Schöttle C, Bockstaller P, Popescu R, Gerthsen D, Feldmann C.
PMID: 26190645
Angew Chem Int Ed Engl. 2015 Aug 17;54(34):9866-70. doi: 10.1002/anie.201503269. Epub 2015 Jul 15.

Mo(0), W(0), Fe(0), Ru(0), Re(0), and Zn(0) nanoparticles—essentially base metals—are prepared as a general strategy by a sodium naphthalenide ([NaNaph])-driven reduction of simple metal chlorides in ethers (1,2-dimethoxyethane (DME), tetrahydrofuran (THF)). All the nanoparticles have diameters ≤10 nm, and...

Unmanned Aerial Vehicle Systems for Remote Estimation of Flooded Areas Based on Complex Image Processing.

Sensors (Basel, Switzerland)

Popescu D, Ichim L, Stoican F.
PMID: 28241479
Sensors (Basel). 2017 Feb 23;17(3). doi: 10.3390/s17030446.

Floods are natural disasters which cause the most economic damage at the global level. Therefore, flood monitoring and damage estimation are very important for the population, authorities and insurance companies. The paper proposes an original solution, based on a...

Brachytherapy next generation: robotic systems.

Journal of contemporary brachytherapy

Popescu T, Kacsó AC, Pisla D, Kacsó G.
PMID: 26816510
J Contemp Brachytherapy. 2015 Dec;7(6):510-4. doi: 10.5114/jcb.2015.56769. Epub 2015 Dec 30.

In a field dominated by external beam radiation therapy (EBRT), both the therapeutic and technical possibilities of brachytherapy (BT) are underrated, shadowed by protons and intensity modulated radiotherapy. Decreasing expertise and indications, as well as increasing lack of specific...

Prostate cancer - peculiarities of the process of adaptation to the disease.

Clujul medical (1957)

Grigorean VT, Nita GR, Nita RA, Popescu M, Sandu AM, Lupascu CD, Ciuhu AN.
PMID: 26527934
Clujul Med. 2013;86(2):133-7. Epub 2013 May 09.

AIM: Psycho-social adaptation to the diagnosis of cancer is a dynamic process, different from one patient to another, depending on many factors (location, stage, treatment, personality of each individual, environment - family, professional background, social-economic-cultural status). The aim of...

A study by electrical conductivity measurements of the semiconductive and redox properties of Nb-doped NiO catalysts in correlation with the oxidative dehydrogenation of ethane.

Physical chemistry chemical physics : PCCP

Popescu I, Skoufa Z, Heracleous E, Lemonidou A, Marcu IC.
PMID: 25728825
Phys Chem Chem Phys. 2015 Mar 28;17(12):8138-47. doi: 10.1039/c5cp00392j.

Nb-doped nickel oxides with Nb contents in the range from 1 to 20% and, for comparison, pure NiO, were characterized using in situ electrical conductivity measurements in correlation with their catalytic performances for the oxidative dehydrogenation (ODH) of ethane...

Long-term response of gemcitabine plus docetaxel chemotherapy regimen for extraskeletal osteosarcoma: A case report.

Oncology letters

Strippoli S, Traversa M, Cramarossa A, Popescu O, Lorusso V, Guida M.
PMID: 26137107
Oncol Lett. 2015 Jun;9(6):2567-2571. doi: 10.3892/ol.2015.3111. Epub 2015 Apr 14.

Extraskeletal osteosarcomas (EOSs) are rare variants of primary osteosarcoma of the bone, and are defined as sarcomas located in the soft tissues and characterized by osteoid production. EOS exhibits distinctive demographic, imaging and prognostic features compared with osteosarcoma of...

Spectral anomalies at wave-front dislocations.

Physical review letters

Popescu G, Dogariu A.
PMID: 12005684
Phys Rev Lett. 2002 May 06;88(18):183902. doi: 10.1103/PhysRevLett.88.183902. Epub 2002 Apr 22.

In a recent Letter, Gbur, Visser, and Wolf [Phys. Rev. Lett. 88, 013901 (2002)] predict that remarkable spectral changes can take place in the neighborhood of phase singularities of a diffracted focused wave. We report here the experimental observation...

Geometrical and compositional structure at metal-oxide interfaces: MgO on Fe(001).

Physical review letters

Meyerheim HL, Popescu R, Kirschner J, Jedrecy N, Sauvage-Simkin M, Heinrich B, Pinchaux R.
PMID: 11497904
Phys Rev Lett. 2001 Aug 13;87(7):076102. doi: 10.1103/PhysRevLett.87.076102. Epub 2001 Jul 31.

The geometric structure of MgO deposited on Fe(001) in ultrahigh vacuum by electron evaporation was determined in detail by using surface x-ray diffraction. In contrast to the common belief that MgO grows in direct contact on the Fe(001) substrate,...

Showing 25 to 36 of 855 entries