نتایج جستجو برای: cell labeling
تعداد نتایج: 1721447 فیلتر نتایج به سال:
OBJECTIVE The image quality for gastrointestinal bleeding studies depends on the efficiency of red blood cell labeling. The in vitro technique has been used widely because of its high labeling efficiency. New data for the modified in vivo/in vitro method are lacking. This study reports on the high labeling efficiency that can be obtained with the modified in vivo/in vitro method and the pitfall...
Let $G$ be a graph with vertex set $V(G)$ and edge set $E(G)$, a vertex labeling $f : V(G)rightarrow mathbb{Z}_2$ induces an edge labeling $ f^{+} : E(G)rightarrow mathbb{Z}_2$ defined by $f^{+}(xy) = f(x) + f(y)$, for each edge $ xyin E(G)$. For each $i in mathbb{Z}_2$, let $ v_{f}(i)=|{u in V(G) : f(u) = i}|$ and $e_{f^+}(i)=|{xyin E(G) : f^{+}(xy) = i}|$. A vertex labeling $f$ of a graph $G...
To the Editors: Robust and reversible biomarkers are needed for the successful completion of phase II prevention trials, an area where Fabian and colleagues have made enormous contributions. One potential marker is cell proliferation, measured by Ki-67 labeling; Khan et al. present data obtained by random periareolar fine-needle aspiration in 147 women at high-risk, which they interpret as prov...
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