Lina Gomez

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BACKGROUND The main purpose of this study was to establish the prevalence of antibodies against five transfusion-transmissible infections (TTIs) in blood donors from one of the most important blood banks in Colombia. METHODS A cross-sectional, descriptive and case control study was performed from a database of Higuera-Escalante blood bank, for a period of(More)
BACKGROUND Recent evidence shows a selective destruction of the youngest circulating red blood cells (neocytolysis) trigged by a drop in erythropoietin levels. OBJECTIVE The aim of this study was to evaluate the effect of recombinant human erythropoietin beta on the red blood cell storage lesion and apoptosis indices under blood bank conditions. METHODS(More)
BACKGROUND To develop a protocol for obtaining autologous platelet rich plasma in healthy individuals and to determine the concentration of five major growth factors before platelet activation. This protocol could be integrated into the guidelines of good clinical practice and research in regenerative medicine. METHODS Platelet rich plasma was isolated by(More)
a non-profit institution devoted to research on network industries, electronic commerce, telecommunications, the Internet, " virtual networks " comprised of computers that share the same technical standard or operating system, and on network issues in general. I n c o l la b o r a t ion w i t h Introduction C h a p t e r 1 : A s u m m a r y o f f i n d in g(More)
Reversibility is a relevant concept in the analysis of batch processes control. However, only little research has been done in order to understand the reversibility property in control theory. This paper, presents new results that allow us to analyze reversibility in control systems. In order to do that, the definition of N -step reversibility, N -step(More)
The promise of digital inclusion may be deterred by different sorts of discrimination brought about by Next-Generation Network (NGN) operators. As the growth of fixed and mobile networks relies on private investment and sufficient regulatory and economic incentives, competition in different telecommunications markets will increasingly depend on providers'(More)
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