نتایج جستجو برای: day time variation

تعداد نتایج: 2376378  

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Abstract Background and Aims: The Cydia pomonella granulovirus (CpGV) is a baculovirus and very effective biological control agent against apple pest, codling moth, Cydia pomonella L. especially for healthy organic apple production and protection.  Not only, screening of CpGV isolates via biochemical variation, but also their biological variation is practically necessary.  Howeve...

Journal: :Clinical chemistry 1974
P Winkel B E Statland H Bokelund

We evaluated the variations in some serum constituents in a group of healthy young men for two selected time intervals: short-term day-to-day changes and withinhour changes. In the first case, we used a two-way ANOVA model to compute the main-day effect and the subject-day interaction terms, which were combined to yield the total day-to-day variation. A main-day effect was seen to be statistica...

Journal: :Clinical chemistry 2001
H K Meier-Ewert P M Ridker N Rifai N Price D F Dinges J M Mullington

BACKGROUND The concentration of C-reactive protein (CRP) in otherwise healthy subjects has been shown to predict future risk of myocardial infarction and stroke. CRP is synthesized by the liver in response to interleukin-6, the serum concentration of which is subject to diurnal variation. METHODS To examine the existence of a time-of-day effect for baseline CRP values, we determined CRP conce...

Journal: :acta medica iranica 0
reza shahsiah department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. alireza abdollahi department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. farid azmoudeh ardalan department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. mohammad taghi haghi-ashtiani pediatrics center of excellence, children's medical center, tehran university of medical sciences, tehran, iran. issa jahanzad department of pathology, imam hospitals complex, school of medicine, tehran university of medical sciences, tehran, iran. mohsen nassiri toosi department of gastroenterology, school of medicine, tehran university of medical sciences, tehran, iran.

fluorescent monitoring of dna amplification is the basis of real-time pcr. absolute quantification can be achieved using a standard curve method. the standard curve is constructed by amplifying known amounts of standards under identical conditions to that of the samples.the objective of the current study is to propose a mathematical model to assess the acceptability of pcr resulys.four commerci...

2000
Jaimyoung Kwon Benjamin Coifman Peter Bickel

This paper presents an approach to estimate future travel times on a freeway using flow and occupancy data from single loop detectors and historical travel time information. The work uses linear regression with stepwise variable selection method and more advanced tree based methods. The analysis considers forecasts ranging from a few minutes into the future up to an hour ahead. Leave-a-day-out ...

Journal: :Journal of dairy science 2010
L Forsbäck H Lindmark-Månsson A Andrén M Akerstedt L Andrée K Svennersten-Sjaunja

Automatic in-line measurement of milk composition and milk yield could be a useful tool in management of the dairy herd. Data on milk components and milk yield provide information on milk quality alterations and cow health status but are also useful in planning feeding and breeding. In automatic milking systems, udder quarters are milked individually, enabling analysis and recording at the udde...

Journal: :Clinical chemistry 1981
V A Pilon P J Howanitz J H Howanitz N Domres

We report our observations on day-to-day variation in serum ferritin, serum iron, total iron-binding capacity, and percent saturation of binding proteins with iron in 13 ostensibly healthy subjects during five weeks. The average intrasubject coefficients of variation were 14.5, 28.5, 4.8, and 28.0%, respectively. Precision studies on control samples showed greater within-assay and between-assay...

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