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Áú·®±â¹Ý À¯¼¼Æ÷ºÐ¼®±â [Mass Cytometry]
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- ÀÌ¿¡ ºñÇÏ¿© Áú·®±â¹Ý À¯¼¼Æ÷ºÐ¼®±â(Mass Cytomerty)´Â Çü±¤ ºÐÀÚ ´ë½Å ÁÖ·Î ¶õźÁ· ±Ý¼ÓÀÌ Ç¥ÁöµÈ Ç×ü¸¦ »ç¿ëÇÏ°í, ÀÌµé ±Ý¼Ó¿ø¼Òµé°£ÀÇ Áú·® Â÷ÀÌ¿¡ ±â¹ÝÇÏ¿©, ¼¼Æ÷ÀÇ Ç¥¸é ¶Ç´Â ³»ºÎ¿¡ Á¸ÀçÇÏ´Â ¼ö¸¹Àº ´Ù¾çÇÑ Ç×üµéÀ» ´ÜÀϼ¼Æ÷ ¼öÁØ¿¡¼­ 1Da(1amu)ÀÇ Áú·®ºÐÇØ´ÉÀ¸·Î ÃøÁ¤ÇÔ. µû¶ó¼­, Ç×ü½ÅÈ£°£ÀÇ ÁßøÇö»óÀÌ ÃÖ¼ÒÈ­µÇ¾î °³º° ¼¼Æ÷´ç 30-50¿© ä³Î±îÁö Á¤º¸¸¦ ¾òÀ» ¼ö ÀÖÀ¸¸ç À̷κÎÅÍ ±âÁ¸ÀÇ Çü±¤±â¹Ý À¯¼¼Æ÷ ºÐ¼®¹ýÀÇ ÇѰ踦 ¶Ù¾î ³Ñ´Â °íÂ÷¿øÀÇ ´ë±Ô¸ð ´ÜÀϼ¼Æ÷ºÐ¼® µ¥ÀÌÅ͸¦ È®º¸ÇÒ ¼ö ÀÖÀ½.

 

- ¶ÇÇÑ Áú·®±â¹Ý À¯¼¼Æ÷ºÐ¼®±â´Â ¼¼Æ÷¿¡ °ÅÀÇ Á¸ÀçÇÏÁö ¾Ê´Â ÈñÅä·ù ¶õźÁ· ±Ý¼ÓµéÀ» Ç¥Áö¹°Áú·Î »ç¿ëÇϹǷΠ¹è°æ½ÅÈ£(background signal)ÀÇ ¼öÁØÀÌ ¸Å¿ì ³·°í, ÀÚ°¡Çü±¤(auto fluorescence)¹®Á¦µµ ÇØ°áµÇ¹Ç·Î, ¼¼Æ÷¿¡¼­ ¾ÆÁÖ ¹Ì·®À¸·Î Á¸ÀçÇÏ´Â Ç×ü½ÅÈ£µµ ºÐ¼®ÀÌ °¡´ÉÇÔ.

 

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(1)  Channels : > 40

 

(2)  Mass range : 75 ~ 209 Da atomic analytical mass(135 channels)

 

(3)  Abundance sensitivity : 0.2% ~ 0.4% for 159Tb

 

(4)  Instrument response : < 600,000 counts/pg 159Tb

 

(5)  Detection limit : up to 350 antibodies/cell

 

(6)  Dynamic range : 3 ~ 5 orders of magnitude

 

(7)  Calibration : Automated

 

(8)  Peak throughput : > 1,000 events/sec

 

(9)  Flow rate : > 20 §¡/min

 

(10) Replicate sample CV (normalized) : < 3%

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[ SPADE Analysis of Mass Cytomery Data (Ha et al. (2019), Biorxiv, https://doi.org/10.1101/617332

 

 

 

 [ t-SNE Analysis of Mass Cytomery Data (Ha et al. (2019), Biorxiv, https://doi.org/10.1101/617332 ]