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Application of microPIXE and STIM in analyses of fossil and Recent polychaete jaws (scolecodonts)

Application of microPIXE and STIM in analyses of fossil and Recent polychaete jaws (scolecodonts),10.1016/S0168-583X(99)00316-X,Nuclear Instruments &

Application of microPIXE and STIM in analyses of fossil and Recent polychaete jaws (scolecodonts)   (Citations: 3)
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MicroPIXE and STIM analysis of the chemistry of fossil and Recent polychaete jaws (scolecodonts) demonstrates that they, apart from their protein composition, constitute inorganic components. The PIXE images reveal that the elemental distribution is generally homogeneous for some elements while it is heterogeneous, especially for zinc and iron. The jaw of the Recent polychaete Nereis sp. has zinc concentrated in the tip, probably for hardening purposes. Similar accumulations were revealed in fossil scolecodonts; zinc in Kettnerites (K.) martinssonii and iron and titanium in Hadoprion cervicornis.
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