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KSiS SILICON WORLD (Vol. 2, No.1)

Januaryr, 2013

 

½Ç¸®ÄÜ ¸¶ÀÌÅ©ÀÔÀÚÀÇ ¸À¿¡ ´ëÇÑ Æ¯¼º Æò°¡

 

±Ø¼Ò·®ÀÇ ¹Ì³×¶ö ö¼ººÐ°ú ´Ù¸£°Ô, ¹ÝµµÃ¼ ½Ç¸®ÄÜÀº ¸À¿¡ ´ëÇÑ °¨°¢Æ¯¼º Æò°¡°¡ µÇ¾îÀÖÁö ¾Ê¾Ò´Ù.  ³ª³ë±¸Á¶¸¦ °¡Áø ½Ç¸®ÄÜÀº À§Àå°ü¿¡¼­ °¡¼öºÐÇظ¦ ÅëÇÏ¿© ¿µ¾ç¼ÒÀÎ orthosilicic »êÀ» »ý»êÇÏ°í ±¸°­ ½Ç¸®ÄÜ ½ÄÇ°º¸Á¶Á¦ Áß ÇϳªÀÌ´Ù.  ÇöÀç ³ª³ë±¸Á¶¼ÒÀçÀÎ ¸ÞÁ¶Æ÷·¯½º ½Ç¸®ÄÜÀº ±¸°­¾àÁ¦³ª ¿µ¾ç¼Ò Àü´Þü·Î ÀÌ¿ëµÇ±â À§ÇØ Æò°¡µÇ°í ÀÖ´Ù. ÀÌ ³í¹®¿¡¼­´Â ¼ö¿ë¾× ¶Ç´Â ¾Ã´Â²­À» ÀÌ¿ëÇÏ¿© °íü ¹× ¸ÞÁ¶Æ÷·¯½º ½Ç¸®ÄÜÀÌ ¸ÀÀ» ´À³¢´Â °¡Àå ³·Àº ³óµµ¸¦ °áÁ¤ÇÏ¿´°í ±× ¸ÀÀ» ±â¼úÇÏ¿´´Ù. ¸ÀÀ» ºñ±³Çϱâ À§ÇØ ±Ý¼Ó¿°(copper sulfate)¸¦ ÀÌ¿ëÇÏ¿´À¸¸ç °á·ÐÀûÀ¸·Î ¾Ã´Â²­À̳ª Ä¡¾à µî°ú °°Àº °ÍÀ» ÀÌ¿ëÇÏ¿© ±¸°­Ä¡·á¸¦ Çϴµ¥ »ç¿ëÇÒ ¼ö ÀÖÀ¸¸ç ½Ç¸®ÄÜ ¿µ¾çº¸Á¶Á¦³ª À½·á¼ö µî¿¡ »ç¿ëÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î º¸°í ÀÖ´Ù.  ½Ç¸®ÄÜÀÇ ¸ÀÀº ¸ÀÀÌ º°·Î ¾ø´Â ºÎµµÃ¼ ½Ç¸®Ä«ÀÇ ¸À°ú °­ÇÑ ¸ÀÀ» ÁÖ´Â ±¸¸®, ¾Æ¿¬, ö°ú °°Àº ±Ý¼Ó ¿µ¾çÁ¦ÀÇ ¸ÀÀÇ Áß°£À¸·Î »ó´ëÀûÀ¸·Î Ưº°ÇÑ ¸ÀÀÌ ³ªÁö ¾Ê´Â °ÍÀ¸·Î º¸°íµÇ¾ú´Ù.  

 

±×¸² 1. Chewing gum pellets made with (a) bulk, (b) mesoporous silicon and (c) silica powders blended with gum.

 

»ç¿ëµÈ °íü ½Ç¸®ÄÜ ÆÄ¿ì´õ ÀÔÀÚÀÇ Å©±â´Â ¾à 4.4 ¸¶ÀÌÅ©·Î ¹ÌÅÍÀÌ¸ç ¸ÞÁ¶Æ÷·¯½º ½Ç¸®Ä« ÀÔÀÚÀÇ Å©±â´Â ¾à 134 ¸¶ÀÌÅ©·Î ¹ÌÅÍ¿´´Ù.  »ç¶÷µéÀÌ ¸ÀÀ» ´À³¥ ¼ö ÀÖ´Â ¿ë¾×ÀÇ ³óµµ´Â 98%ÀÇ »ç¶÷ÀÌ copper sulfatedml ruddn  0.2 mg/mLÀÇ ³óµµ¿¡¼­ ¸ÀÀ» ´À³¢±â ½ÃÀÛÇßÀ¸¸ç ½Ç¸®ÄÜÀÇ °æ¿ì 10 mg/mLÀÇ ³óµµ¿¡¼­ ¸ÀÀ» ´À³¢±â ½ÃÀÛÇß´Ù. ½Ç¸®ÄÜ ÀÔÀÚÀÇ »ýºÐÇØ¿¡ ´ëÇÑ in vivo ¿¬±¸ °á°ú pH 6.8¿¡¼­ silicic »êÀÌ  ¾ÃÀ» °æ¿ì 2ºÐ ÈĺÎÅÍ °ËÃâµÇ¾î 10ºÐ µ¿¾È ¹æÃ⠵ǾúÀ¸¸ç ±×·¸Áö ¾ÊÀº °æ¿ì¿¡´Â ¹«½ÃÇÒ Á¤µµÀÇ silicic »êÀÌ ¹æÃ⠵Ǿú´Ù. 58 mg/mL³óµµ silicic»êÀÇ ¸ÀÀº ´ÞÄÞ ½Ô½ÒÇÑ ¸ÀÀ̰ųª ´Ü ¸ÀÀ» ³ªÅ¸³»¾ú´Ù.

±×¸² 2. Silicic acid release from chewing pellets in artificial salva/Tris buffer pH 6.8

 

"Taste and mouthfeel assessment of porous and non-porous silicon microparticles", Qurrat Shabir, Cyrus Skaria, Heather O Brien, Armando Loni, Christian Barnett and Leigh Canham, Nanoscale Research Letters, 2012, 7, 407.

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