NESTOR SCHOR
5 resultados
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Artigo IPEN-doc 12106 Blood porphyrin luminescence and tumor growth correlation2007 - COURROL, LILIA C.; SILVA, FLAVIA R. de O.; BELLINI, MARIA H.; MANSANO, RONALDO D.; SCHOR, NESTOR; VIEIRA JUNIOR, NILSON D.Artigo IPEN-doc 12323 Variation in the distribution of trace elements in renal cell carcinoma2009 - CALVO, FERNANDA B.; SANTOS JUNIOR, DARIO; RODRIGUES, CONSUELO J.; KRUG, FRANCISCO J.; MARUMO, JULIO T.; SCHOR, NESTOR; BELLINI, MARIA H.Artigo IPEN-doc 16099 Erythrocyte protoporphyrin fluorescence as a Biomarker for monitoring antiangiogenic cancer therapy2010 - ROCHA, FLAVIA G. de G.; CHAVES, KAREN C.B.; GOMES, CINTHIA Z.; CAMPANHARO, CAMILA B.; COURROL, LILIA C.; SCHOR, NESTOR; BELLINI, MARIA H.Artigo IPEN-doc 17562 Enhancement of blood porphyrin emission intensity with aminolevulinic acid administration: A new concept for photodynamic diagnosis of early prostate cancer2011 - SILVA, FLAVIA R. de O.; BELLINI, MARIA H.; NABESHIMA, CAMILA T.; SCHOR, NESTOR; VIEIRA JUNIOR, NILSON D.; COURROL, LILIA C.Artigo IPEN-doc 18358 Study of ProtoPorphyrin IX elimination by body excreta2013 - SILVA, FLAVIA R.O.; NABESHIMA, CAMILA T.; BELLINI, MARIA H.; SCHOR, NESTOR; VIEIRA JUNIOR, NILSON D.; COURROL, LILIA C.This paper describes the elimination of porphyrins by feces. It was demonstrated that porphyrin accumulates substantially more in tumors than in normal tissues, and consequently more PPIX reaches the blood of patients and animals with tumors, and then, it needs to be eliminated. The fluorescence of feces revealed that there are large amounts of PPIX in the excreta of animals with cancer comparing with healthy animals. The autofluorescence of feces porphyrin extracted with acetone was analyzed using fluorescence spectroscopy of animals inoculated with DU145 cells into the prostate and healthy animals to monitor the PPIX concentration. Emission spectra were obtained by exciting the samples at 405 nm. Significant differences were observed in autofluorescence intensities measured in the 575–725 nm spectral regions for the studied groups. The results showed a noninvasive, simple, rapid and sensitive method to detect cancer by feces analysis.