The phrase "allow it to diffuse" is correct and usable in written English.
You can use it when referring to the process of something spreading out or becoming less concentrated, often in a scientific or metaphorical context.
Example: "To achieve a balanced flavor in the dish, allow it to diffuse for a few minutes before serving."
Alternatives: "let it spread" or "permit it to disperse."
The authors use their data to support a model in which the C-terminal peptide reduces the affinity of the MCAK motor domain for the lattice of the microtubule, allowing it to diffuse to the ends where its activity is required.
Renewable energy technology can meet the energy needs of remote communities if local renewable energy resources are available and if it is deployed in a way that meets reasonable community expectations, thus allowing it to diffuse into the local culture in a process that can be called renewable energy technology acculturation.
targeted drug delivery A method of delivering a drug to the site in the body where it is needed, rather than allowing it to diffuse into many sites.
It has a small molecular weight and a high cell membrane permeability allowing it to diffuse easily from the bloodstream to surrounding cells.
The jar has a frosted surface that allows it to diffuse glare-free lighting.
The ability of the fungus to spread vegetatively is facilitated by an aerating system that allows it to efficiently diffuse oxygen through rhizomorphs rootlike structures made of dense masses of hyphae.
The neurotrophic factors complexed to peptide-bound heparin form a nondiffusible protein complex allowing it to be restricted to and diffuse out of the matrix system at a slowed rate [ 77].
The stochastic simulator tracks the location of each molecule created and allows it to perform a random walk (diffuse) through space.
Removing carbon dioxide from water also allows more of it to diffuse in from the air, lowering atmospheric levels of the gas.
Alternatively, it could allow cGMP to diffuse intracellularly to targets distant from the site of synthesis.
