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physics.bio-ph2020★ 5 cited
Shape of population interfaces as an indicator of mutational instability in coexisting cell populations
Clarisa Castillo, Maxim O. Lavrentovich
Cellular populations such as avascular tumors and microbial biofilms may "invade" or grow into surrounding populations. The invading population is often comprised of a heterogeneou…
physics.bio-ph2013★ 47 cited
Nutrient Shielding in Clusters of Cells
Maxim O. Lavrentovich, John H. Koschwanez, David R. Nelson
Cellular nutrient consumption is influenced by both the nutrient uptake kinetics of an individual cell and the cells' spatial arrangement. Large cell clusters or colonies have inhi…