Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: On the rheology of red blood cell suspensions with different amounts of
  dextran: separating the effect of aggregation and increase in viscosity of
  the suspending phase   We investigate the shear thinning of red blood cell - dextran suspensions.
Microscopic images show that at low polymer concentration, aggregation
increases with increasing concentration until it reaches a maximum and then
decreases again to non-aggregation. This bell shape dependency is also deduced
from the rheological measurements, if the data are correctly normalized by the
viscosity of the suspending phase since a significant amount of polymers adsorb
to the cell surfaces. We find that the position of the maximum of this shear
rate dependent bell shape increases with increasing viscosity of the suspending
phase, which indicates a that the dynamic process of aggregation and
disaggregation is coupled via hydrodynamic interactions. This hydrodynamic
coupling can be suppressed by characterizing a suspension of 80% hematrocrit
which yields good agreement with the results from the microscopical images.

25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
17
The categories of this paper are: q-fin
12
The categories of this paper are: nucl-th
36
The categories of this paper are: cmp-lg
0
The categories of this paper are: hep-ph
22
The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio
5
The categories of this paper are: gr-qc
33
The categories of this paper are: plasm-ph
9
The categories of this paper are: nlin
34
The categories of this paper are: chem-ph
6
The categories of this paper are: astro-ph
16
The categories of this paper are: stat
14
The categories of this paper are: math-ph
19
The categories of this paper are: eess