نتایج جستجو برای: elf principles

تعداد نتایج: 146358  

Objective(s): It is known that extremely low frequency-pulsed electromagnetic fields (ELF-PEMF) influence multiple cellular and molecular processes. Retinal pigment epithelial (RPE) cells have a significant part in the emergence and pathophysiology of several ocular disorders, such as neovascularization. This study assessed the impact of ELF-PEMF on the proangiogenic features of RPE cells. Mate...

2006
Sonsoles Gonzalez-Gil Bruce A. Keafer Donald M. Anderson

Alkaline phosphatase (AP) activity in marine and freshwater phytoplankton has been associated with phosphorus (P) limitation whereby the enzyme functions in the breakdown of exogenous organic P compounds to utilizable inorganic forms. Current enzyme assays to determine the P status of the phytoplankton measure only the AP activity of the whole community and do not yield information on individua...

2009
Nicos Sifakis

The paper presents a notional account of the challenges facing the introduction of English as an international lingua franca (ELF) curriculum in the state schools of the expanding circle, taking Greece as a case in point. It broadly delineates an ELF curriculum as one focusing on the skills necessary for carrying out successful communication involving non-native speakers and then highlights a s...

Journal: :Journal of chemical theory and computation 2012
Natacha Gillet Robin Chaudret Julia Contreras-Garcίa Weitao Yang Bernard Silvi Jean-Philip Piquemal

A cross ELF-NCI analysis is tested over prototypical organic reactions. The synergetic use of ELF and NCI enables the understanding of reaction mechanisms since each method can respectively identify regions of strong and weak electron pairing. Chemically intuitive results are recovered and enriched by the identification of new features. Non covalent interactions are found to foresee the evoluti...

2015
Malek Sarhani Abdellatif El Afia

Forecasting of future electricity demand is very important for the electric power industry. As influenced by various factors, it has been shown in several publications that machine learning methods are useful for electric load forecasting (ELF). On the one hand, we introduce in this paper the approach of support vector regression (SVR) for ELF. In particular, we use particle swarm optimization ...

Journal: :Journal of cellular biochemistry 1993
R Goodman Y Chizmadzhev A Shirley-Henderson

There is strong public interest in the possibility of health effects associated with exposure to extremely low frequency (elf) electromagnetic (EM) fields. Epidemiological studies suggest a probable, but controversial, link between exposure to elf EM fields and increased incidence of some cancers in both children and adults. There are hundreds of scientific studies that have tested the effects ...

Journal: :The Journal of Experimental Medicine 1997
Irina Serdobova Maria Pla Patrick Reichenbach Peter Sperisen Jacques Ghysdael Anne Wilson Jonathan Freeman Markus Nabholz

Lymphocytes regulate their responsiveness to IL-2 through the transcriptional control of the IL-2R alpha gene, which encodes a component of the high affinity IL-2 receptor. In the mouse IL-2R alpha gene this control is exerted via two regulatable elements, a promoter proximal region, and an IL-2-responsive enhancer (IL-2rE) 1.3 kb upstream. In vitro and in vivo functional analysis of the IL-2rE...

Journal: :Journal of radiation research 1996
J Miyakoshi S Ohtsu T Shibata H Takebe

We designed and manufactured equipment for long-term and low-density (0 to 9 mT) exposures of cultured cells to extremely low frequency magnetic fields (ELF-MF), and examined the effects of ELF-MF on cell growth and c-myc mRNA expression in Chinese hamster ovary (CHO) cells. The ELF-MF equipment consists of a CO2 incubator with a built-in magnet generator using Helmholtz coils being 250 mm in i...

2009
M. B. Cohen U. S. Inan M. A. Golkowski R. C. Moore M. T. Rietveld

[1] Cohen et al. [2008] overlook observations presented by Barr et al. [1988], which have a direct and possibly significant impact on two of their primary conclusions. The two conclusions of interest are: 1) that ‘geometric modulation’ in the form of circle-sweeping is significantly more efficient than amplitude modulation at generating ELF/VLF waves, and 2) that the ELF/VLF beam generated usin...

2017
Sara N. Salerno Andrea Edginton Michael Cohen‐Wolkowiez Christoph P. Hornik Kevin M. Watt Brian D. Jamieson Daniel Gonzalez

Solithromycin is a fluoroketolide antibiotic under investigation for community-acquired bacterial pneumonia (CABP). We developed a whole-body physiologically based pharmacokinetic (PBPK) model for solithromycin in adults using PK-Sim and MoBi version 6.2, which incorporated time-dependent CYP3A4 auto-inhibition. The model was developed and evaluated using plasma and epithelial lining fluid (ELF...

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