نتایج جستجو برای: pem

تعداد نتایج: 2824  

Journal: :Tanzania health research bulletin 2006
B F P Sunguya J I Koola S Atkinson

Severe protein-energy malnutrition (PEM) predisposes affected children to various infections, which either worsens their nutritional status or causes malnutrition, hence complicating their management and outcome. This study was carried out to determine the infections associated with severe malnutrition among children admitted at Kilifi District Hospital (KDH) in Kenya and Muhimbili National Hos...

Journal: :Biology of the cell 2005
Christian Sardet Philippe Dru François Prodon

The peripheral region of ascidian oocytes and zygotes contains five determinants for morphogenesis and differentiation of the embryo. The determinant for the 24 primary muscle cells of the tadpole, macho1, is one of several cortical mRNAs localized in a gradient along the animal-vegetal axis in the oocyte. After fertilization these mRNAs, together with cortical endoplasmic reticulum (cER) and a...

1988
R. Ruffini

The interaction of an expanding PairElectromagnetic pulse (PEM pulse) with a shell of baryonic matter surrounding a Black Hole with electromagnetic structure (EMBH) is analyzed for selected values of the baryonic mass at selected distances well outside the dyadosphere of an EMBH. The dyadosphere, the region in which a super critical field exists for the creation of e+e− pairs, is here considere...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2009
Lawrence MacDonald John Edwards Thomas Lewellen David Haseley James Rogers Paul Kinahan

UNLABELLED We evaluated a commercial positron emission mammography (PEM) camera, the PEM Flex Solo II. This system comprises two 6 x 16.4 cm detectors that scan together covering up to a 24 x 16.4 cm field of view (FOV). There are no specific standards for testing this detector configuration. We performed several tests important to breast imaging, and we propose tests that should be included in...

2015
Stephen L. Hayward David M. Francis Matthew J. Sis Srivatsan Kidambi

The ability to control the spatial distribution and temporal release of a therapeutic remains a central challenge for biomedical research. Here, we report the development and optimization of a novel substrate mediated therapeutic delivery system comprising of hyaluronic acid covalently functionalized liposomes (HALNPs) embedded into polyelectrolyte multilayer (PEM) platform via ionic stabilizat...

2010
Geraldine I. Mijares Darwin R. Reyes Jon Geist Michael Gaitan Brian J. Polk Don L. DeVoe

We report on the use of polyelectrolyte multilayer (PEM) coatings as a non-biological surface preparation to facilitate uniform cell attachment and growth on patterned thin-film gold (Au) electrodes on glass for impedance-based measurements. Extracellular matrix (ECM) proteins are commonly utilized as cell adhesion promoters for electrodes; however, they exhibit degradation over time, thereby i...

2000
Paul K. Davis James H. Bigelow Jimmie McEver

Exploratory analysis uses a low-resolution model for broad survey work. High-resolution simulation can sometimes be used to inform development and calibration of such a model. This paper is a case history of such an effort. The problem at issue was characterizing the effectiveness, in interdicting an invading army, of long-range precision fires. After observing puzzling results from highresolut...

Journal: :Electrophoresis 2003
Michael C Breadmore Sushil Shrinivasan James Karlinsey Jerome P Ferrance Pamela M Norris James P Landers

The potential for using polyelectrolyte multilayers (PEMs) to provide chromatographic functionality on continuous silica networks created from sol-gel chemistry has been evaluated by capillary electrochromatography (CEC). Construction of the PEM was achieved by flushing the column with polyelectrolytes of alternative charge, with variation of the properties of the exposed polyelectrolyte provid...

2009
Limin Kung

Rumen microorganisms and the host ruminant animal require many macro and micro minerals for normal growth and development. Among these minerals, sulfur is a necessary component of the amino acids cystine and methionine that are building blocks of proteins. In ruminants, many inorganic forms of sulfur (e.g. potassium sulfate and calcium sulfate) can be used because sulfate is reduced in the rume...

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