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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.12226
|2 doi
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|a pubmed25n0861.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Nogami, Satoru
|e verfasserin
|4 aut
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|a Hyperspectral imaging techniques for the characterization of Haematococcus pluvialis (Chlorophyceae)
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|c 2014
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 26.07.2016
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|a Date Revised 18.03.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2014 Phycological Society of America.
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|a A hyperspectral imaging camera was combined with a bright-field microscope to investigate the intracellular distribution of pigments in cells of the green microalga Haematococcus pluvialis, a synonym for H. lacustris (Chlorophyceae). We applied multivariate curve resolution to the hyperspectral image data to estimate the pigment contents in culture and revealed that the predicted values were consistent with actual measurements obtained from extracted pigments. Because it was possible to estimate pigment contents in every pixel, the intracellular distribution of the pigments was investigated during various life-cycle stages. Astaxanthin was localized specifically at the eyespot of zoospores in early culture stages. Then, it became widely distributed in cells, but subsequently localized differently than the chl. Integrated with our recently developed image-processing program "HaematoCalMorph," the hyperspectral imaging system was useful for monitoring intracellular distributions of pigments during culture as well as for studying cellular responses under various conditions
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Haematococcus pluvialis
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4 |
|a astaxanthin
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4 |
|a digital image processing
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|a hyperspectral imaging
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|a morphology
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|a nonnegative least square
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1 |
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|a Ohnuki, Shinsuke
|e verfasserin
|4 aut
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1 |
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|a Ohya, Yoshikazu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 50(2014), 5 vom: 01. Okt., Seite 939-47
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|x 0022-3646
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|g volume:50
|g year:2014
|g number:5
|g day:01
|g month:10
|g pages:939-47
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|u http://dx.doi.org/10.1111/jpy.12226
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