期刊
SCIENTIFIC REPORTS
卷 5, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep08831
关键词
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资金
- Royal Academy of Engineering/EPSRC [10216/101]
- Wellcome Trust [WT 089966]
- Engineering and Physical Sciences Research Council [EP/I017887/1, EP/K027611/1] Funding Source: researchfish
- EPSRC [EP/K027611/1, EP/I017887/1] Funding Source: UKRI
We present a straightforward method for measuring the relative viscosity of fluids via a simple graphical analysis of the normalised position autocorrelation function of an optically trapped bead, without the need of embarking on laborious calculations. The advantages of the proposed microrheology method are evident when it is adopted for measurements of materials whose availability is limited, such as those involved in biological studies. The method has been validated by direct comparison with conventional bulk rheology methods, and has been applied both to characterise synthetic linear polyelectrolytes solutions and to study biomedical samples.
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