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Total records found : 2
Simplified search suggestions : Riyanto Sugeng
12016
thesis
Microrheological measurement of cellulose solutions using a single particle tracking
Riyanto,Sugeng
The aim of the research was to develop microrheological measurement system to determine the alpha apparent (aapp ) and the complex shear modulus (G*(@) of microcrystalline cellulose (MCC) solutions based on a single particle tracking technique using video microscopy (VM). A micron sized particle acting as a probe in cellulose solution was tracked by a freeware called Tracker. The temporal displacement of the particle was recorded and analyzed in spectrum domain using custom-made program using MATLAB. Videos were recorded at about 30 fps depending on the recording setting resulted in output of radial frequency range from 0.4 rad/s to 10 rad/s. The results from the local measurement in cellulose solutions were compared with the bulk measurement using rheometer. Since the solution is a kind of nonhomogeneous complex material, which contained long chain fiber, the measurements were dependent on the local position of the probe in the solution. To conclude, the microrheological measurement s.....

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22017
article
Microrheological measurement of microcrystalline cellulose solution using single particle tracking
Ayop Shahrul Kadri, Riyanto Sugeng, Wan Aziz Wan Nor Suhaila, Mustapa Izan R, Munajat Yusof,
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