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ANALYSIS OF PARA-CHLOROANILINE AFTER CHEMICAL INTERACTION BETWEEN ALEXIDINE AND SODIUM HYPOCHLORITE USING MASS SPECTROMETRY

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±èÇö½Ä ( Kim Hyeon-Sik ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
ÇѽÂÇö ( Han Seung-Hyun ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø ±¸°­¹Ì»ý¹° ¹× ¸é¿ªÇб³½Ç
¿À¼Ò¶÷ ( Oh So-Ram ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
ÀÓ»ó¹Î ( Lim Sang-Min ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
±¸À¯ ( Gu Yu ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
±Ý±â¿¬ ( Kum Kee-Yeon ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç

Abstract

±Ù°ü¼¼Ã´Á¦ÀÎ NaOCl°ú CHX¸¦ º´Çà »ç¿ëÇÏ´Â °æ¿ì Àû°¥»öÀÇ ¹ß¾Ï¹°Áú·Î ¾Ë·ÁÁø PCA°¡ »ý¼ºµÈ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº CHX¿Í À¯»çÇÑ buigunide °èÅëÀÇ ¼Òµ¶Á¦ÀÎ ALXÀ» NaOCl °ú È¥ÇÕ ¹ÝÀÀ ½Ã PCA°¡ »ý¼ºµÇ´ÂÁö ¿©ºÎ¸¦ mass spectrometry¸¦ ÀÌ¿ëÇÏ¿© Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù. ´ëÁ¶±ºÀ¸·Î´Â 4% NaOCl ¿ë¾×°ú 2% CHXÀÇ È¥ÇÕ¿ë¾×, 0.5% PCA ¿ë¾×, ¹× 1% ALX ¿ë¾×À» »ç¿ëÇÏ¿´°í ½ÇÇ豺À¸·Î´Â 5°¡Áö ³óµµ(1%, 0.5%, 0.25%, 0.125%, 0.0625%)ÀÇ ALX ¿ë¾×°ú 4% NaOClÀÇ È¥ÇÕ¿ë¾×À» Áú·®ºÐ¼®±â¸¦ ÀÌ¿ëÇÏ¿© molecular peak¸¦ ºÐ¼®ÇÑ °á°ú ALX°ú NaOClÀÇÈ¥ÇÕ¹°¿¡¼­´Â PCA (m/w = 128)·Î º¸ÀÌ´Â 128 ÇÇÅ©°¡ °üÂûµÇÁö ¾Ê¾Ò´Ù. ¶ÇÇÑ ¿ë¾×ÀÇ »ö º¯È­¿¡¼­µµ ALXÀÌ ³óµµ°¡ ³ôÀ»¼ö·Ï ¿¶Àº ³ë¶û»öÀ» ¶ç¾úÀ¸³ª ³óµµ°¡ ³·¾ÆÁú¼ö·Ï Èò»öÀ¸·Î °üÂûµÇ¾úÀ¸¸ç ¾î¶°ÇÑ Ä§Àü¹°ÀÇ Çü¼ºµµ º¸ÀÌÁö ¾Ê¾Ò´Ù.

Recent studies demonstrated that the combination of chlorhexidine (CHX) and sodium hypochlorite (NaOCl) resulted in the formation of a precipitate, para-chloroaniline (PCA). Alexdidine (ALX) is a kind of biguanides like CHX, and has stronger detoxification effect against the bacterial virulence factors such as lipoteichoic acid and lipopolysacchardide compared with CHX. The purpose of this study was to determine whether PCA was formed after chemical interaction between ALX and NaOCl using mass spectrometry. Mass spectrometry was performed for the mixture of five different concentrations of ALX (1, 0.5, 0.25, 0.125, 0.0625%) and 4% NaOCl. Results showed that the peak of PCA was not detected in mixed solutions of ALX and NaOCl in mass spectrometry analysis. The color of mixed solution of ALX and NaOCl after chemical interaction was light yellow to white, but there wasn¡¯t any precipitate found.

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Alexidine; Chemical interaction; Mass spectrometry; Para-chloroaniline; Sodium hypochlorite

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