_emd_microscopy.id 1 _emd_microscopy.microscope 'FEI/PHILIPS CM200FEG' _emd_microscopy.specimen_holder_model 'GATAN LIQUID NITROGEN' _emd_microscopy.details . _emd_microscopy.acceleration_voltage 200 _emd_microscopy.illumination_mode 'bright field' _emd_microscopy.imaging_mode 'low dose' _emd_microscopy.nominal_cs 2.0 _emd_microscopy.nominal_defocus_min 975 _emd_microscopy.nominal_defocus_max 7600 _emd_microscopy.nominal_magnification 50000 _emd_microscopy.calibrated_magnification . _emd_microscopy.electron_source FEG