نتایج جستجو برای: ethylene diurea edu
تعداد نتایج: 30697 فیلتر نتایج به سال:
The progress of nuclear DNA replication is complex in both time and space, and may reflect several levels of chromatin structure and 3-dimensional organization within the nucleus. To understand the relationship between DNA replication and developmental programmes, it is important to examine replication and nuclear substructure in different developmental contexts including natural cell-cycle pro...
We propose a novel single-deoxynucleoside-based assay that is easy to perform and provides accurate values for the absolute length (in units of time) of each of the cell cycle stages (G1, S and G2/M). This flow-cytometric assay takes advantage of the excellent stoichiometric properties of azide-fluorochrome detection of DNA substituted with 5-ethynyl-2'-deoxyuridine (EdU). We show that by pulsi...
By redshift of 10, star formation in the first objects should have produced considerable amounts of Carbon, Nitrogen and Oxygen. The submillimeter lines of C, N and O redshift into the millimeter and centimeter bands (0.5mm–1.2 cm), where they may be detectable. High spectral resolution observations could potentially detect inhomogeneities in C, N and O emission, and see the first objects formi...
INTRODUCTION Emergency department ultrasound (EDU) is widely practised in the USA, Australia, parts of Europe, and Asia. EDU has been used in the UK since the late 1990s but as yet, few areas have established a practice. OBJECTIVES To assess the current climate of opinion with respect to the practice, constraints, and establishment of EDU among emergency department (ED) consultants on the isl...
Recently, a novel method for detection of DNA synthesis has been developed based on the incorporation of 5-ethynyl-2'-deoxyuridine (EdU), a thymidine analogue, into cellular DNA and the subsequent reaction of EdU with a fluorescent azide in a copper-catalyzed [3+2] cycloaddition ("Click" reaction). In the present study, we evaluated this method for studying cell proliferation in the adult centr...
Density inhomogeneities along the line-of-sight distort fluctuations in the cosmic microwave background. Usually, this effect is thought of as a small second-order effect that mildly alters the statistics of the microwave background fluctuations. We show that there is a first-order effect that is potentially observable if we combine microwave background maps with large redshift surveys. We intr...
Raman microscopy has been used for visualizing molecular distribution and dynamics in a living cell [1, 2]. Recently, we have proposed to use alkyne as a tag for Raman imaging of small molecule incorporated into biological samples [3]. Alkyne shows a characteristic peak at Raman silent region (~2050-2300cm) and is free from interference with Raman signal of endogenous biomolecules. Furthermore,...
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