Experimental Evaluation of the Density of Water in
a Cell by Raman Microscopy
Version 3 2017-11-14, 17:48
Version 2 2017-10-12, 13:23
Version 1 2017-10-12, 13:19
Posted on 2017-11-14 - 17:48
We report direct observation of a
spatial distribution of water
molecules inside of a living cell using Raman images of the O–H
stretching band of water. The O–H Raman intensity of the nucleus
was higher than that of the cytoplasm, indicating that the water density
is higher in the nucleus than that in the cytoplasm. The shape of
the O–H stretching band of the nucleus differed from that of
the cytoplasm but was similar to that of the balanced salt solution
surrounding cells, indicating less crowded environments in the nucleus.
The concentration of biomolecules having C–H bonds was also
estimated to be lower in the nucleus than that in the cytoplasm. These
results indicate that the nucleus is less crowded with biomolecules
than the cytoplasm.
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Takeuchi, Mizuki; Kajimoto, Shinji; Nakabayashi, Takakazu (2017). Experimental Evaluation of the Density of Water in
a Cell by Raman Microscopy. ACS Publications. Collection. https://doi.org/10.1021/acs.jpclett.7b02154
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AUTHORS (3)
MT
Mizuki Takeuchi
SK
Shinji Kajimoto
TN
Takakazu Nakabayashi