The study provides theoretical expressions for the size distribution of particle chains in ferrofluids under a strong magnetic field, accounting for inter-chain interactions.
No immediate clinical implications; leaves open experimental validation of ferrofluid chain models in biomedical research.
We consider ferrofluid consisting of identical spherical particles with permanent magnetic moment. Under the assumption that linear chains can appear in the ferrofluid, we estimate the distribution function of a number of the particles inside the chains. The main new moment of our consideration is that we estimate the influence of interaction between the chains on the size distribution as well as on the mean number of the particles in the chain. The analysis is done and simple expressions for an the size distribution function are obtained for infinitely strong magnetic field in asymptotics of strong magnetic interaction between the particles inside one chain.
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Iskakova et al. (2002) studied this question.
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