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Showing 13 to 24 of 342 entries
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Dynamic pressure method for kla measurement in large-scale bioreactors.

Biotechnology and bioengineering

Linek V, Benes P, Vacek V.
PMID: 18587880
Biotechnol Bioeng. 1989 May;33(11):1406-12. doi: 10.1002/bit.260331107.

A dynamic method is proposed for k(l)a measurement in aerated and agitated reactors, in which a change in the total pressure in the reactor by approximately 20% leads to a simultaneous change in the oxygen concentration in all the...

Motional capacitance of layered piezoelectric thickness-mode resonators.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Schmid M, Benes E, Burger W, Kravchenko V.
PMID: 18267576
IEEE Trans Ultrason Ferroelectr Freq Control. 1991;38(3):199-206. doi: 10.1109/58.79604.

The Butterworth-Van Dyke equivalent circuit for description of the electrical behavior of piezoelectric bulk resonators is considered. The motional capacitance, C(1), in the circuit characterizes the strength of piezoelectric excitability of a vibration mode. For layered one-dimensional (1-D) structures...

Critical assessment of gassing-in methods for measuring k(l)a in fermentors.

Biotechnology and bioengineering

Linek V, Sinkule J, Benes P.
PMID: 18600768
Biotechnol Bioeng. 1991 Aug 05;38(4):323-30. doi: 10.1002/bit.260380402.

The reliability of dynamic measurement methods of k(l)a in fermentors using a step oxygen concentration change in the feed gas was tested. The tests were performed both for the original variant using the nitrogen right harpoon over left harpoon...

Phase fluctuations and the absence of topological defects in a photo-excited charge-ordered nickelate.

Nature communications

Lee WS, Chuang YD, Moore RG, Zhu Y, Patthey L, Trigo M, Lu DH, Kirchmann PS, Krupin O, Yi M, Langner M, Huse N, Robinson JS, Chen Y, Zhou SY, Coslovich G, Huber B, Reis DA, Kaindl RA, Schoenlein RW, Doering D, Denes P, Schlotter WF, Turner JJ, Johnson SL, Först M, Sasagawa T, Kung YF, Sorini AP, Kemper AF, Moritz B, Devereaux TP, Lee DH, Shen ZX, Hussain Z.
PMID: 22588300
Nat Commun. 2012 May 15;3:838. doi: 10.1038/ncomms1837.

The dynamics of an order parameter's amplitude and phase determines the collective behaviour of novel states emerging in complex materials. Time- and momentum-resolved pump-probe spectroscopy, by virtue of measuring material properties at atomic and electronic time scales out of...

Vitamin D deficiency down-regulates Notch pathway contributing to skeletal muscle atrophy in old wistar rats.

Nutrition & metabolism

Domingues-Faria C, Chanet A, Salles J, Berry A, Giraudet C, Patrac V, Denis P, Bouton K, Goncalves-Mendes N, Vasson MP, Boirie Y, Walrand S.
PMID: 25317198
Nutr Metab (Lond). 2014 Sep 30;11(1):47. doi: 10.1186/1743-7075-11-47. eCollection 2014.

BACKGROUND: The diminished ability of aged muscle to self-repair is a factor behind sarcopenia and contributes to muscle atrophy. Muscle repair depends on satellite cells whose pool size is diminished with aging. A reduction in Notch pathway activity may...

Association of reticular pseudodrusen and early onset drusen.

ISRN ophthalmology

De Bats F, Wolff B, Mauget-Faÿsse M, Meunier I, Denis P, Kodjikian L.
PMID: 24563787
ISRN Ophthalmol. 2013 May 16;2013:273085. doi: 10.1155/2013/273085. eCollection 2013.

Purpose. To report an association between reticular pseudodrusen, located above the retinal pigment epithelium (RPE), and Early Onset Drusen (EOD) as described using Spectral-Domain Optical Coherence Tomography (SD-OCT). Methods. Eight patients (16 eyes) with EOD were examined. EOD were...

Fast parallel image registration on CPU and GPU for diagnostic classification of Alzheimer's disease.

Frontiers in neuroinformatics

Shamonin DP, Bron EE, Lelieveldt BP, Smits M, Klein S, Staring M.
PMID: 24474917
Front Neuroinform. 2014 Jan 16;7:50. doi: 10.3389/fninf.2013.00050. eCollection 2013.

Nonrigid image registration is an important, but time-consuming task in medical image analysis. In typical neuroimaging studies, multiple image registrations are performed, i.e., for atlas-based segmentation or template construction. Faster image registration routines would therefore be beneficial. In this...

Development of a compact fast CCD camera and resonant soft x-ray scattering endstation for time-resolved pump-probe experiments.

The Review of scientific instruments

Doering D, Chuang YD, Andresen N, Chow K, Contarato D, Cummings C, Domning E, Joseph J, Pepper JS, Smith B, Zizka G, Ford C, Lee WS, Weaver M, Patthey L, Weizeorick J, Hussain Z, Denes P.
PMID: 21806178
Rev Sci Instrum. 2011 Jul;82(7):073303. doi: 10.1063/1.3609862.

The designs of a compact, fast CCD (cFCCD) camera, together with a resonant soft x-ray scattering endstation, are presented. The cFCCD camera consists of a highly parallel, custom, thick, high-resistivity CCD, readout by a custom 16-channel application specific integrated...

Of Timescales, Animal Models, and Human Disease: The 50th Anniversary of C. elegans as a Biological Model.

Frontiers in neurology

Agoston DV.
PMID: 24101914
Front Neurol. 2013 Oct 01;4:129. doi: 10.3389/fneur.2013.00129.

No abstract available.

Topological behaviour of ternary non-symmorphic crystals KZnX (X = P, As, Sb) under pressure and strain: a first principles study.

Physical chemistry chemical physics : PCCP

Parveen A, Narsimha Rao E, Adivaiah B, Anees P, Vaitheeswaran G.
PMID: 29392260
Phys Chem Chem Phys. 2018 Feb 14;20(7):5084-5102. doi: 10.1039/c7cp08121a.

An ab initio study on the impact of hydrostatic pressure and strain on the electronic properties of an unexplored class of ternary Zintl phases KZnX (X = P, As, Sb) is reported. Density functional theory (DFT) based studies revealed...

Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production.

Physical review letters

Acharya B, Alexandre J, Baines S, Benes P, Bergmann B, Bernabéu J, Bevan A, Branzas H, Campbell M, Cecchini S, Cho YM, de Montigny M, De Roeck A, Ellis JR, El Sawy M, Fairbairn M, Felea D, Frank M, Hays J, Hirt AM, Janecek J, Kim DW, Korzenev A, Lacarrère DH, Lee SC, Leroy C, Levi G, Lionti A, Mamuzic J, Margiotta A, Mauri N, Mavromatos NE, Mermod P, Mieskolainen M, Millward L, Mitsou VA, Orava R, Ostrovskiy I, Papavassiliou J, Parker B, Patrizii L, Păvălaş GE, Pinfold JL, Popa V, Pozzato M, Pospisil S, Rajantie A, Ruiz de Austri R, Sahnoun Z, Sakellariadou M, Santra A, Sarkar S, Semenoff G, Shaa A, Sirri G, Sliwa K, Soluk R, Spurio M, Staelens M, Suk M, Tenti M, Togo V, Tuszyński JA, Vento V, Vives O, Vykydal Z, Wall A, Zgura IS.
PMID: 31386510
Phys Rev Lett. 2019 Jul 12;123(2):021802. doi: 10.1103/PhysRevLett.123.021802.

MoEDAL is designed to identify new physics in the form of stable or pseudostable highly ionizing particles produced in high-energy Large Hadron Collider (LHC) collisions. Here we update our previous search for magnetic monopoles in Run 2 using the...

Intermittent Self-catheterization in Older Adults: Predictors of Success for Technique Learning.

International neurourology journal

Hentzen C, Haddad R, Ismael SS, Peyronnet B, Gamé X, Denys P, Robain G, Amarenco G.
PMID: 29609423
Int Neurourol J. 2018 Mar;22(1):65-71. doi: 10.5213/inj.1835008.504. Epub 2018 Mar 31.

PURPOSE: The main goal of this retrospective study is to explore the predictors of success in learning clean intermittent self-catheterization (CISC) in patients over 65 years of age. The secondary goal is to assess whether in this population, the...

Showing 13 to 24 of 342 entries