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Showing 1 to 12 of 165 entries
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Flow Navigation by Smart Microswimmers via Reinforcement Learning.

Physical review letters

Colabrese S, Gustavsson K, Celani A, Biferale L.
PMID: 28452499
Phys Rev Lett. 2017 Apr 14;118(15):158004. doi: 10.1103/PhysRevLett.118.158004. Epub 2017 Apr 12.

Smart active particles can acquire some limited knowledge of the fluid environment from simple mechanical cues and exert a control on their preferred steering direction. Their goal is to learn the best way to navigate by exploiting the underlying...

Determination of the Presence of Three Antimicrobials in Surface Water Collected from Urban and Rural Areas.

Antibiotics (Basel, Switzerland)

Iglesias A, Nebot C, Miranda JM, Vázquez BI, Abuín CM, Cepeda A.
PMID: 27029291
Antibiotics (Basel). 2013 Feb 07;2(1):46-57. doi: 10.3390/antibiotics2010046.

Due to the continuous release of antimicrobials into the environment, the aim of this study was to compare the frequency of detection of sulfamethazine, sulfamethoxypyridazine and trimethoprim in surface water collected from urban and rural areas in Northwestern Spain....

Intravascular Biphasic Synovial Sarcoma: The Beneficial Role of Adjuvant Treatment Approach in the Pre-metastatic Stage.

Cureus

Chicas-Sett R, Farga-Albiol D, Collado E, Pacheco A, Zac C, Diaz R, Celada F, Burgos J, Perez MJ, Tormo A.
PMID: 27190730
Cureus. 2016 Apr 16;8(4):e572. doi: 10.7759/cureus.572.

Synovial sarcoma (SS) is a high-grade, rare variant of soft tissue sarcoma (STS). The biphasic subtype is less common than the monophasic subtype. SS is very common around joint cavities in the extremities, but can be present elsewhere in...

Five years of experience with rituximab plus high-dose dexamethasone for relapsed/refractory chronic lymphocytic leukemia.

Archives of medical science : AMS

Šimkovič M, Motyčková M, Belada D, Vodárek P, Kapoor R, Jaffar H, Vrbacký F, Žák P, Smolej L.
PMID: 27186190
Arch Med Sci. 2016 Apr 01;12(2):421-7. doi: 10.5114/aoms.2016.55425. Epub 2015 Dec 08.

INTRODUCTION: High-dose methylprednisolone (HDMP) in combination with rituximab is active in the treatment of relapsed/refractory chronic lymphocytic leukemia (CLL), but serious infections are frequent. Recently published data suggested that high-dose dexamethasone might be equally effective as HDMP despite a...

Front propagation in laminar flows.

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

Abel M, Celani A, Vergni D, Vulpiani A.
PMID: 11690146
Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Oct;64(4):046307. doi: 10.1103/PhysRevE.64.046307. Epub 2001 Sep 25.

The problem of front propagation in flowing media is addressed for laminar velocity fields in two dimensions. Three representative cases are discussed: stationary cellular flow, stationary shear flow, and percolating flow. Production terms of Fisher-Kolmogorov-Petrovskii-Piskunov type and of Arrhenius...

Statistical geometry in scalar turbulence.

Physical review letters

Celani A, Vergassola M.
PMID: 11177846
Phys Rev Lett. 2001 Jan 15;86(3):424-7. doi: 10.1103/PhysRevLett.86.424.

A general link between geometry and intermittency in passive scalar turbulence is established. The anomalous part of the scalar correlation functions is shown to be dominated by special functions of particle configurations. Their major property is that those functions...

Large scale instabilities in two-dimensional magnetohydrodynamics.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Boffetta G, Celani A, Prandi R.
PMID: 11088230
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 Apr;61(4):4329-35. doi: 10.1103/physreve.61.4329.

The stability of a sheared magnetic field is analyzed in two-dimensional magnetohydrodynamics with resistive and viscous dissipation. Using a multiple-scale analysis, it is shown that at large enough Reynolds numbers the basic state describing a motionless fluid and a...

A fluorochromatic test for immunocytotoxicity against tumor cells and leucocytes in agarose plates.

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

Celada F, Rotman B.
PMID: 16591510
Proc Natl Acad Sci U S A. 1967 Mar;57(3):630-6. doi: 10.1073/pnas.57.3.630.

No abstract available.

Large-scale anisotropy in scalar turbulence.

Physical review letters

Celani A, Seminara A.
PMID: 16712366
Phys Rev Lett. 2006 May 12;96(18):184501. doi: 10.1103/PhysRevLett.96.184501. Epub 2006 May 12.

The effect of anisotropy on the statistics of a passive tracer transported by a turbulent flow is investigated. We show that under broad conditions an arbitrarily small amount of anisotropy propagates to the large scales where it eventually dominates...

Fringe contrast variation in hologram interferometry with the numerical aperture of the viewing system.

Applied optics

Celaya M, Tentori D.
PMID: 18231563
Appl Opt. 1986 Aug 15;25(16):2796. doi: 10.1364/ao.25.002796.

No abstract available.

Rayleigh-Taylor turbulence in two dimensions.

Physical review letters

Celani A, Mazzino A, Vozella L.
PMID: 16711994
Phys Rev Lett. 2006 Apr 07;96(13):134504. doi: 10.1103/PhysRevLett.96.134504. Epub 2006 Apr 05.

The first consistent phenomenological theory for two- and three-dimensional Rayleigh-Taylor (RT) turbulence has recently been presented by Chertkov [Phys. Rev. Lett. 91, 115001 (2003)]. By means of direct numerical simulations, we confirm the spatiotemporal prediction of the theory in...

Large-scale structure of passive scalar turbulence.

Physical review letters

Celani A, Seminara A.
PMID: 16090326
Phys Rev Lett. 2005 Jun 03;94(21):214503. doi: 10.1103/PhysRevLett.94.214503. Epub 2005 Jun 03.

We investigate the large-scale statistics of a passive scalar transported by a turbulent velocity field by means of direct numerical simulations. We focus on scales larger than the characteristic length scale of scalar injection, yet smaller than the correlation...

Showing 1 to 12 of 165 entries