Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Superparamagnetic iron oxide polyacrylic acid coated {\gamma}-Fe2O3
  nanoparticles does not affect kidney function but causes acute effect on the
  cardiovascular function in healthy mice
24
The categories of this paper are: dg-ga
17
The categories of this paper are: q-fin
28
The categories of this paper are: alg-geom
15
The categories of this paper are: nucl-ex
32
The categories of this paper are: atom-ph
21
The categories of this paper are: adap-org
30
The categories of this paper are: q-alg
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
33
The categories of this paper are: plasm-ph
27
The categories of this paper are: comp-gas
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math