Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Intra-molecular refrigeration in enzymes   We present a simple mechanism for intra-molecular refrigeration, where parts
of a molecule are actively cooled below the environmental temperature. We
discuss the potential role and applications of such a mechanism in biology, in
particular in enzymatic reactions.

37
The categories of this paper are: supr-con
9
The categories of this paper are: nlin
23
The categories of this paper are: solv-int
35
The categories of this paper are: mtrl-th
26
The categories of this paper are: bayes-an
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
18
The categories of this paper are: econ
31
The categories of this paper are: ao-sci
16
The categories of this paper are: stat
7
The categories of this paper are: hep-th
21
The categories of this paper are: adap-org
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
5
The categories of this paper are: gr-qc
22
The categories of this paper are: chao-dyn