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Marine diatoms as optical chemical sensors
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10.1063/1.2140087
/content/aip/journal/apl/87/23/10.1063/1.2140087
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/23/10.1063/1.2140087
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Scanning electron microscope microphotograph of the diatom Thalassiosira rotula Meunier: A plain view of the diatoms on the chip. In the two insets are reported an enlargement of a single diatom and the detail of its surface.

Image of FIG. 2.
FIG. 2.

Photoluminescence normalized spectrum of diatoms in air. The dashed lines are the Gaussian profiles corresponding to different bands used to fit the experimental data. The multi-fit procedure has a .

Image of FIG. 3.
FIG. 3.

Infrared spectrum of diatoms measured in reflectance mode using a FTIR microscope.

Image of FIG. 4.
FIG. 4.

Quenching of diatoms photoluminescence spectra in the presence of several gaseous substances: The numbers on top of each spectrum indicate the peak position as estimated by numerical fit.

Image of FIG. 5.
FIG. 5.

Enhancing of diatoms photoluminescence spectra in presence of pyridine and xylene: The numbers on top of each spectrum indicate the peak position as estimated by numerical fit.

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/content/aip/journal/apl/87/23/10.1063/1.2140087
2005-11-30
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Marine diatoms as optical chemical sensors
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/23/10.1063/1.2140087
10.1063/1.2140087
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