Emiliano Perez Ipina

Emiliano Perez Ipina
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Emiliano Perez Ipina

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Physics - Biological Physics (2)
Quantitative Biology - Quantitative Methods (1)
Quantitative Biology - Cell Behavior (1)

Publications Authored By Emiliano Perez Ipina

During early development, the establishment of gradients of transcriptional factors determines the patterning of cell fates. The case of Bicoid (Bcd) in {\it Drosophila melanogaster} embryos is well documented and studied. There are still controversies as to whether {\it SDD} models in which Bcd is {\it Synthesized} at one end, then {\it Diffuses} and is {\it Degraded} can explain the gradient formation within the timescale observed experimentally. Read More

Information transmission in cells occurs quite accurately even when concentration changes are "read" by individual target molecules. In this Letter we study molecule number fluctuations when molecules diffuse and react. We show that, for immobile binding sites, fluctuations in the number of bound molecules are averaged out on a relatively fast timescale due to correlations. Read More