This article reveals how apparently similar looking nanoparticles with same size, shape, and mass may exhibit widely varying Brownian diffusivity due to inherent features of nanoscale dynamics. Such variabilities may, in certain cases, reach order of magnitude fluctuations depending on the interfacial and bulk properties of the Brownian body. Accordingly, the theory explains several unanswered questions in connection to submicron systems including anomalous thermal properties of nanofluids and strangely varying transmittivities of biologically originated particulate droplets.
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Bhattacharya et al. (2024) studied this question.
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