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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국광과학회 Photochemical & photobiological sciences : an international journal Photochemical & photobiological sciences : an international journal 제8권 제7호
- 발행연도
- 2009.1
- 수록면
- 970 - 974 (5page)
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초록· 키워드
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Spectral and photophysical properties of the alkaloid berberine (B) were studied in solvents with different solvent parameters, using UV/Vis absorption, emission and excitation spectroscopy. The absorption and emission maxima were found to be between 421-431 nm and 514-555 nm, respectively, leading to Stokes' shifts between 4099 and $5735cm^{-1}$. The fluorescence quantum yields varied between $10^{-2}-10^{-4}$, depending on the solvent. Different solvent scales have been used to study the solvatochromism of B. Linear solvation energy relationships (LSER) proposed by Kamlet-Taft suggest that B is a molecule attractive as a probe for solvent polarity and hydrogen bonding properties.
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