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0. ÃÊ·Ï

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1.1 Fluorescence spectroscopy
1.1.1 Interaction of radiation and matter
1.1.2 Fluorescence spectroscopy
1.1.3 Instrumentation

1.2 Quenching

1.2.1 Chemical quenching
1.2.2 Collisional(dynamic) quenching
2. ½ÇÇè¹æ¹ý
2.1. »ç¿ëÇÑ ½Ã¾à ¹× ±â±¸
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Reference
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À̹ø ½ÇÇèÀº spectrofluorometer¸¦ ÀÌ¿ëÇÏ¿© 250nm, 350nm¿¡¼­ ºûÀ» Èí¼öÇÏ°í 450nm¿¡¼­ fluorescence¸¦ ¹æÃâÇÏ´Â quinine¿¡ ´ëÇÑ spectrumÀ» ¾ò¾î fluorescence spectroscopy·Î unknown quinineÀÇ ³óµµ¸¦ °áÁ¤ÇÏ°í, ƯÁ¤ Á¶°Ç¿¡ µû¸¥ quinineÀÇ quenchingÀ» È®ÀÎÇØ º¸´Â µ¥¿¡ ¸ñÀûÀÌ ÀÖ´Ù. ³óµµ °áÁ¤ ½ÇÇè¿¡¼­ solvent°¡ 0.05M H2SO4(aq)ÀÎ quinine standard solution 0.0001, 0.001, 0.01, 0.1, 1, 10 ¥ìg/mL¿¡ ´ëÇÑ 450nm ÆÄÀåÀÇ fluorescence intensity¸¦ plottingÇÔÀ¸·Î½á y ¡ë2*10-xx + 41103(R2¡ë0.9685)ÀÇ calibration curve¸¦ ±¸ÇÒ ¼ö ÀÖ¾ú´Ù. ExcitationÀ» 250nm·Î ¼³Á¤ÇÑ °æ¿ì calibration curve°¡ y ¡ë 4.4701x + 3.7417(R2¡ë0.9911), excitationÀ» 350nm·Î ¼³Á¤ÇÑ °æ¿ì calibration curve°¡ y ¡ë 936.65x -54.497(R2¡ë0.9985)À̾ú°í °¢ curveÀÇ y°ª¿¡ ¾Õ¼± Table.2.ÀÇ 11.55, 883.2¸¦ ´ëÀÔÇÏ¸é ¾à 1.75(¥ìg/mL), ¾à 1.001(¥ìg/mL)À̶ó´Â ³óµµ°¡ ³ª¿Ô´Ù. ÀÌ´Â dilute solution¿¡¼­´Â fluorescence intensity°¡ concentration¿¡ °ÅÀÇ ¼±ÇüÀûÀ¸·Î ºñ·ÊÇÑ´Ù´Â ¼ö½ÄÀû ±Ù°Å ÇÏ¿¡ ÁøÇàµÈ °è»êÀ̾ú´Ù. QuenchingÀ» È®ÀÎÇÏ´Â ½ÇÇè¿¡¼­´Â 25mL volumetric flask¿¡ ¾Õ¼± 10¡¦(»ý·«)
Âü°í¹®Çå
Daniel C. Harris, Quantitative Chemical Analysis(8th ed.), W.H. Freeman and Company, p. 408-418(2010)
Sawyer. D. T, Chemistry Experiments for Instrumental Methods, John Wiley & Sons, pp. 266-275(1984)
http://www.chemspider.com/FullSearch.aspx


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