Matlab 2012 multithresh3/14/2024 Microrheology techniques can be broadly classified into two families, ‘passive’ and ‘active’ microrheology depending on whether the motion of the tracer particles is thermally driven or governed by an external force, respectively. These have been successfully used to gather new insights on how living systems such as cells 3, 4, bacteria 5 and phytoplankton 6 are affected by the rheological properties of the local environment and vice versa. A common aim of microrheology techniques is to determine the rheological properties of fluids via a statistical mechanics analysis of the trajectory of tracer particles suspended in the sample 2. This is attractive for biophysical and biomedical studies, where rare or precious samples are often investigated. in vivo 1), or in vitro requiring only a few microliters of sample volume. It can be performed either in situ of environments commonly inaccessible to conventional bulk rheology techniques (e.g. Microrheology is the study of the flow of matter at micron length scales.
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