2015
DOI: 10.5935/0100-4042.20150056
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SPECTROSCOPIC STUDY OF ALUMINUM PHTHALOCYANINE CHLORIDE (AlPcCl) IN HOMOGENEOUS AND MICRO-HETEROGENEOUS MEDIA CONSISTING OF P-123 AND F-127 POLYMERIC MICELLES

Abstract: Aluminum phthalocyanine chloride (AlPcCl) is a photoactive compound which has been used as a photosensitizer (PS) in photodynamic therapy (PDT). Its spectroscopic properties have been studied in solvents of different polarities (ethanol, acetone, dimethylsulfoxide and chloroform). Its solubility has been found to decrease with increasing solvent polarity, together with full self-aggregation in aqueous solution. The binding of AlPcCl to the copolymer Pluronic TM micellar class P-123 and F… Show more

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Cited by 11 publications
(31 citation statements)
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“…Verteporfin (or benzoporphyrin derivative, BPD) is an FDAapproved photosensitizer from the porphyrin group, with a similar chemical structure and activation mechanism to the phthalocyanines and a similar activation wavelengths (l ¼ 689 nm) 6,12e16 . In particular, the peak absorbance wavelength for verteporfin and AlPc (l ¼ 675 nm) 17 are relatively close, supporting direct comparisons of bonding results under comparable conditions. Verteporfin was first approved for photodynamic therapy to treat choroidal diseases such as predominantly classic subfoveal choroidal neovascularization 15,16,18 .…”
Section: Introductionsupporting
confidence: 59%
“…Verteporfin (or benzoporphyrin derivative, BPD) is an FDAapproved photosensitizer from the porphyrin group, with a similar chemical structure and activation mechanism to the phthalocyanines and a similar activation wavelengths (l ¼ 689 nm) 6,12e16 . In particular, the peak absorbance wavelength for verteporfin and AlPc (l ¼ 675 nm) 17 are relatively close, supporting direct comparisons of bonding results under comparable conditions. Verteporfin was first approved for photodynamic therapy to treat choroidal diseases such as predominantly classic subfoveal choroidal neovascularization 15,16,18 .…”
Section: Introductionsupporting
confidence: 59%
“…Espécies autoagregadas são formadas quando interações não covalentes fármaco-fármaco superam as forças de interação fármaco-solvente, levando a baixa solubilidade e possíveis precipitados. Esses estudos são fundamentais para posterior comparação e elucidação dos fenômenos de monomerização ou autoagregação que podem ocorrer após a incorporação do lapachol nos sistemas micelares de F127 e P123 (Murakami, 2002;Vilsinski et al, 2015). Os espectros de absorção eletrônica e emissão de fluorescência do lapachol nas diferentes porcentagens água/etanol (v/v) são apresentados na Fig.…”
Section: Resultsunclassified
“…A semelhança entre as isotermas de ligação após a estabilização termodinâmica (48 h) mostrada na Fig. 4B reporta a ausência de efeitos temporais consideráveis de redistribuição da NFq com o passar do tempo (Vilsinski et al, 2015). Para o sistema obtido em F127 (Fig.…”
Section: Resultsunclassified
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