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Z-scan technique: a new concept for diagnosis of prostate cancer in blood
Autor
NABESHIMA, CAMILA T.
ALVES, SARAH I.P.
F. NETO, ANTONIO M.
SAMAD, RICARDO E.
COURROL, LILIA C.
SILVA, FLAVIA R.O.
FRONTIERS IN OPTICS/LASER SCIENCE
Resumen
Porphyrin accumulate substantially more in tumors than in normal tissues. The
optical nonlinearity of the blood porphyrin was analyzed using Z-scan technique. The
results showed a decrease in nonlinear refractive index value for tumor blood.