The phrase "activity of a collection" is correct and usable in written English.
It can be used in contexts where you are discussing the actions or functions associated with a group of items or entities that are gathered together.
Example: "The activity of a collection of rare stamps can provide insights into historical events and cultural trends."
Alternatives: "function of a collection" or "operation of a collection".
Advances in cell-based high-throughput compound screening have made it possible to profile the cellular activity of an extensive collection of bioactive small molecules, thereby enabling a functional phenotype-based approach to unbiased identification of candidate compounds for individual cancer patients (Pemovska et al., 2013, 2015; Tyner et al., 2013).
At this stage (base representation), the pattern of activity represents a collection of image elements, but it does not reveal which elements belong to the same object.
In conclusion, tigecycline exhibited broad in vitro activity against a collection of MRSA strains collected in The Netherlands, including livestock-associated strains.
Compound 4, 20 and 21 showed in vitro antitumor activity against a collection of cancer cell lines.
DIPS reasoning is the cooperative activity among a collection of agents coupled, as much as possible, in a decentralized and loose manner that eventually provides a solution to a given problem.
This view was based on the inverse correlation between Hxk2 and invertase activity in a collection of random Hxk2 mutants [ 1, 12].
To determine whether these preferences are reflected in the catalytic activity of peptide-MLE, a collection of acetylated dipeptide amides was tested in which the tyrosine residue of Ac-YR-NH2 was replaced by one of the two other aromatic amino acids phenylalanine (F) and tryptophan (W) and by the aliphatic amino acids leucine (L), methionine (M), isoleucine (I), and valine (V).
To determine which parts of DNMT1 are required for cellular methyltransferase activity, we generated a collection of cDNAs expressing DNMT1 mutants that differ from each other in the sequence of a stretch of amino acids (Table 1).
The system described in this paper has been realized with the main goal of providing a tool for everyday activity of data collection and search, with a really pragmatic and practice oriented perspective.
In order to identify small molecules with MEKK2 inhibitory activity, we screened a collection of known kinase inhibitors using a high throughput MEKK2 intrinsic ATPase enzyme assay and confirmed activity of the most potent hits with this primary assay.
