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| Nanoemulsion µ¹¾Æ°¡±â | ¿µ¾î¿ø¹®º¸±â |


»ý¸í°øÇÐ ±â¾÷ÀÎ Corixa ´Â water-in-oil emulsion À» ±â¹ÝÀ¸·Î ÇÏ´Â Vaccine Adjuvant ¸¦ °³¹ß »ý»êÇϴ ȸ»ç·Î¼­ Microfluidizer High Shear Processor ¸¦ ÀÌ¿ëÇÏ¿© nanoemulsion type Vaccine Adjuvant ¸¦ ¼º°øÀûÀ¸·Î °³¹ßÇÏ¿´´Ù.

Corixa ´Â ±âÁ¸ High Pressure Homogenizer ¸¦ »ç¿ëÇÏ¿´À» ¶§ ÀÔµµ°¡ ±ÕÀÏÇÏÁö ¾Ê¾Ò°í »çÀÌÁî°¡ 200nm ÀÌ»óÀÎ emulsion ÀÔÀÚ°¡ ¸¹¾Æ ¾î·Á¿òÀ» °Þ°í ÀÖ¾ú´Ù. Microfluidics ¿ÍÀÇ ¹ÌÆÃÀ» °ÅÄ£ ÈÄ Corixa »ç´Â Microfluidizer ÀåºñÀÇ fixed-geometry interaction chamber ¸¦ »ç¿ëÇϸé ÀÔµµºÐÆ÷°¡ ±ÕÀÏÇÏ°í emulsion ÀÔÀÚ »çÀÌÁî´Â ÈξÀ ÀÛÀº °á°ú¸¦ ±¸ÇÒ ¼ö ÀÖ´Ù´Â °ÍÀ» ¾Ë°Ô µÇ¾ú´Ù.

Corixa ´Â Microfluidizer °í¾ÐºÐ»êÀåºñ¿Í ´Ù¸¥ ÀÏ¹Ý °í¾Ð±ÕÁú±âÀÇ ¼º´ÉÀ» ºñ±³ÇÏ´Â ½ÇÇèÀ» ÇÏ¿´´Ù.

OBJECTIVES

Corixa ´Â Microfluidizer Processor ¿Í ´Ù¸¥ High Pressure Homogenizer Áß ¾î´À °ÍÀÌ emulsion ó¸® °øÁ¤¿¡ °¡Àå ÀûÀýÇÑ Áö¸¦ ºñ±³Çϱâ À§ÇØ ´ÙÀ½°ú °°Àº ³»¿ëÀ» ÆÇ´ÜÀÇ ±âÁØÀ¸·Î Çϱâ·Î ÇÏ¿´´Ù.
Average particle size (Æò±Õ ÀÔµµºÐÆ÷)
Polydispersity (ÀÔÀÚ ±ÕÀϼº)
Active concentration post-filtration

METHODS

3 batch ÀÇ pre-emulsion material À» ÁغñÇÏ¿© °¢°¢ ¹ÝÀ¸·Î ³ª´©¾î °¢ Àåºñ·Î Å×½ºÆ® ÇÏ¿´´Ù. High Pressure Homogenization ÇÑ ÈÄ sterile filtration ÇÑ ÈÄ laser diffraction, fluorescence detector ¸¦ »ç¿ëÇÏ´Â HPLC ±×¸®°í gradual pore plugging model ½ÇÇèÀ» ÇÏ¿´´Ù.

RESULTS

Microfluidizer Processor °¡ ¸ðµç Å×½ºÆ® Ç׸ñ¿¡¼­ ¿ùµîÈ÷ ÁÁÀº °á°ú¸¦ º¸¿© ÁÖ¾ú´Ù.

Comparison of Critical Quality Attributes

Analysis conducted on average of three batches processed by each technology


What this data shows

¨ç À§ Å×ÀÌºí¿¡¼­ Leading Homogenizer ´Â ÀÏ¹Ý High Pressure Homogenizer (ÀÌÇÏ HPH) ¸¦ ÀǹÌÇÕ´Ï´Ù.

¨è Corixa »ç´Â 150nm »çÀÌÁî ÀÌÇÏÀÇ water-in-oil emulsion À» ±¸ÇÏ´Â ¸ñÇ¥¿´´Ù.     Microfluidizer °¡ 3 pass ¸¦ ÅëÇØ 141nm »çÀÌÁîÀÇ Æò±Õ ÀÔµµºÐÆ÷¸¦ °¡Áø °á°ú¸¦ ±¸ÇÒ ¼ö ÀÖ¾úÀ¸³ª HPH ´Â 15 pass ¸¦ ÇÏ¿©µµ 185nm ÀÔµµ¸¦ °¡Áø °á°ú°¡ ³ª¿Ô´Ù.

¨é emulsion vaccine adjuvant ÀÇ Ç°Áú°ü¸®¸¦ À§ÇØ 200nm ÀÌ»óÀÇÀÔÀÚ´Â 10% À̳»·Î Á¸ÀçÇÏ´Â °ÍÀ» ¸ñÇ¥·Î ÇÏ¿´´Ù. Microfluidizer ¸¦ ÀÌ¿ëÇÏ¿© ó¸®ÇÑ °á°ú 200nm ÀÌ»óÀÇ ÀÔÀÚ´Â ´Ü 0.51% °¡ Á¸Àç ÇßÁö¸¸ HPH ´Â 43.1% °¡ 200nm ÀÌ»óÀÇ ÀÔÀÚ°¡ Á¸ÀçÇß´Ù.

¨ê filteration À» ÇÑ ÈÄ emulsion vaccine adjuvant ÇÒ¼ºµµ´Â ÀÌÀü°ú ºñÇØ 2% loss °¡ µÇ´Â °ÍÀ» ¸ñÇ¥·Î ÇÏ¿´´Ù. Microfluidizer ÀÇ °æ¿ì ´Ü 1% ÀÇ loss °¡ ¹ß»ýÇßÀ¸³ª HPH ´Â 15% ÀÇ loss °¡ ¹ß»ýÇß´Ù.

¨ë Microlfuidizer ¸¦ ÀÌ¿ëÇÑ emulsion vaccine adjuvant ÀÇ °æ¿ì filter ¸¦ Çϴµ¥ Liter ´ç 17cm2 °¡ ÇÊ¿äÇÏ¿´À¸³ª HPH ÀÇ °æ¿ì Liter ´ç 640cm2 °¡ ÇÊ¿äÇÏ¿´´Ù.

Average Particle Size and Polydispersity

As a function of homogenization method, operating pressure = 25,000psi (1720bar)


What this data shows
emulsion vaccine adjuvant ÀÇ »ý»êÀ» °¢°¢ 3¹ø¾¿ ÇÑ ´ÙÀ½ Microfluidizer ¿Í HPH ÀÇ Æò±Õ ÀÔµµºÐÆ÷¸¦ ºÐ¼®ÇÏ¿´´Ù. Microfluidizer ¿¡ ÀÇÇÑ emulsion ÀÇ Æò±Õ ÀÔµµºÐÆ÷´Â ÀÏ¹Ý HPH ¿¡ ºñÇØ Æò±Õ 50% °¡ ´õ ÀÛ¾ÒÀ¸¸ç ¶ÇÇÑ batch »çÀÌÀÇ ÀÔÀÚ »çÀÌÁî ÆíÂ÷´Â ¸Å¿ì ÀÛ¾Ò´Ù.

Active Concentration Post-filtration

Recovery of active after filtration, averaged across three batches


What this data shows
Microfluidizer ÀÇ fixed-geometry interaction chamber ¿Í uniform processing conditions Ư¼º¿¡ ÀÇÇØ batch °£ ÀçÇö¼ºÀÌ Å¹¿ùÇÏ°í ÀÔµµºÐÆ÷°¡ ¸Å¿ì ±ÕÀÏÇÏ¿´´Ù. ¹Ý¸é¿¡ ´Ù¸¥ High Pressure Homogenizer ÀÇ °æ¿ì ÀÔµµºÐÆ÷°¡ ¸Å¿ì ºÒ±ÕÀÏÇÏ°í emulsion ÀÇ »çÀÌÁî°¡ ¸Å¿ì Ä¿ sample ÀÇ loss °¡ ½ÉÇÏ¿´´Ù.

CONCLUSIONS

ÀÌ·¯ÇÑ Å×½ºÆ® °á°ú »Ó¸¸ ¾Æ´Ï¶ó ÀåºñÀÇ ¼º´ÉÀÌ ¿ì¼öÇÏ¿© Corixa ´Â ±âÁ¸ »ç¿ëÇÏ´ø High Pressure Homogenizer ¸¦ Æó±âÇÏ°í Microfluidizer High Shear Processor ¸¦ »ý»êÇöÀå¿¡ ÀÌ¿ëÇϱ⠽ÃÀÛÇÏ¿´´Ù.











 
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