Page 259 - Vibrational Spectroscopic Imaging for Biomedical Applications
P. 259

Raman Micr oscopy for Biomedical Applications   235


                                                 1447
                                                          1662


                               1005

                  701  722                                  (a)
            Raman Intensity                        1547  1607  1621






                     755       1004     1214           1564



                                                            (b)




                 700     900     1100    1300    1500    1700
                                            –1
                                Raman Shift (cm )






















                                            500 μm


                                    (c)
                                                −1
        FIGURE 8.5  (a) Raman spectra from 600 to 1800 cm  of the red cluster
        and (b) the vine cluster (c) of the Raman image of nondried glioblastoma
        brain tumor tissue.
   254   255   256   257   258   259   260   261   262   263   264