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LUMiSpoc Single Particle Counter
Module : Hydrodynamic Focusing
Two-dimensional signal intensities and distribution densities of scattered light in the forward and sideward direction
Counting of Polystyrene-Mix (8 size classes)
Counting of Polystyrene-Mix (8 size classes)
Cat. No.
324-00000,   LUMiSpoc¢ç Single Particle Counter °ßÀû¿äû

LUMiSpoc¢ç Àº suspension °ú emulsion »ó¿¡ ÀÖ´Â ³ª³ë & ¸¶ÀÌÅ©·Î ÀÔÀÚ (¶Ç´Â droplet) ÀÇ particle size distribution °ú particle concentration À» ÃøÁ¤ÇÏ´Â ÃÖ°í ¼º´ÉÀÇ single particle ºÐ¼®ÀåºñÀÌ´Ù.
ÀÌ Àåºñ°¡ °³º° ÀÔÀÚ¸¦ ÃøÁ¤ÇÏ´Â ¹æ½ÄÀº »õº° ¼¼Æ÷ÀÇ °³¼ö¸¦ ÃøÁ¤ÇÏ´Â flow cytometer ¿Í À¯»çÇÏ´Ù. °³º° ÀÔÀÚ°¡ laser beam À» Åë°úÇÒ ¶§ ÀÔÀÚ¸¦ Åë°úÇÏ´Â Á÷Áø ¹æÇâÀ¸·Î scattering ÇÏ´Â forward light ¿Í ÀÔÀÚ¿¡¼­ 90µµ °¢µµ·Î ¹Ý»çÇÏ¿© scattering ÇÏ´Â sideward light ¸¦ ÃøÁ¤ÇÏ´Â ±â¼úÀ» ±â¹ÝÀ¸·Î Çϴµ¥ ÀÌ ±â¼úÀ» Single Particle Light-Scattering Technology¢ç À̶ó ÇÏ¸ç ¼¼°è ÃÖ°íÀÇ ÀÔÀÚ Æ¯¼º ºÐ¼® ±â¼úÀ» °¡Áö°í ÀÖ´Â µ¶ÀÏ LUM »çÀÇ Æ¯Çã ¹ÞÀº ±â¼úÀÌ´Ù.
Single Particle Light-Scattering Technology¢ç (SPLS)
optical flow cell ¿¡¼­ ºü¸£°Ô È帣°í ÀÖ´Â sheath flow ¿¡ ÀÇÇØ Áß¾Ó¿¡¼­ õõÈ÷ È帣´Â sample flow ¿¡ ÀÖ´Â particle µéÀº Çϳª¾¿ ¶³¾îÁ® (hydrodynamic focusing ) ·¹ÀÌÀúºö À§Ä¡·Î À̵¿ÇÏ°Ô µÈ´Ù.
single particle ÀÌ ·¹ÀÌÀúºöÀ» Åë°úÇÏ¸é ºûÀº ¸ðµç ¹æÇâÀ¸·Î scattering ÇÏ°Ô µÇ´Âµ¥ 0¡Æ ¹æÇâ (forward) °ú 90¡Æ ¹æÇâ (sideward) ¿¡¼­ scattering light ¸¦ µ¿½Ã¿¡ ÁõÆø, ÃøÁ¤ÇÏ¿© ½Ç½Ã°£À¸·Î ºÐ¼®ÇÏ°Ô µÈ´Ù.
ÃøÁ¤µÈ °³º° ÀÔÀÚÀÇ scattered light intensity ´Â ¹é¸¸°³ ÀÌ»óÀÇ bin À¸·Î sorting µÇ¾î °íÇØ»ó bar Â÷Æ®·Î Ç¥½ÃµÇ¾î particle ÀÇ count distribution À» ³ªÅ¸³»°Ô µÈ´Ù.
ºÐ·ùµÈ intensity ´Â Mie À̷п¡ ÀÇÇØ particle size distribution density ·Î ÀüȯµÇ¾î Ç¥½ÃµÈ´Ù.


Single Particle Counting : ÀÔÀÚ Çϳª ÇϳªÀÇ Å©±â¸¦ ÃøÁ¤
ÃÖ¼Ò 50nm Å©±âÀÇ ÀÔÀÚ¿¡¼­ ÃÖ´ë 8§­ Å©±âÀÇ ÀÔÀÚ±îÁö ÃøÁ¤ °¡´É
- 40 nm to 350 nm (sideward scattering)
- 200 nm - 8,000 nm (forward scattering)
range º¯È¯ ¶Ç´Â component ±³Ã¼¾øÀÌ ³ÐÀº ¹üÀ§ÀÇ ÀÔÀÚ Å©±â¸¦ ÃøÁ¤ °¡´É
°³º° ÀÔÀÚÀÇ Å©±â¸¦ ÃøÁ¤ (sizing) ÇÏ°í °°Àº Å©±âÀÇ ÀÔÀÚ °³¼ö¸¦ °è»ê (counting) ÇÏ´Â ¹æ½Ä
diode laser beam À» ÀÌ¿ëÇÏ¿© ÀÔÀÚ Å©±â ÃøÁ¤
sideward scattered light ¿Í forward scattered light ¸¦ µ¿½Ã¿¡ ÃøÁ¤ÇÏ¿© ÀÔÀÚÅ©±â ÃøÁ¤
sideward scattered light ¿Í forward scattered light ´Â µÎ °³ÀÇ µ¿ÀÏÇÑ ±¤ÁõÆø±â¸¦ ÀÌ¿ëÇÏ¿© light ½ÅÈ£¸¦ ÁõÆøÇϹǷΠ¸Å¿ì Á¤¹ÐÇÏ°í ½Å·Ú¼º ÀÖ´Â ÀÔÀÚ Å©±â µ¥ÀÌÅÍ Á¦°ø
µÎ °³ scattered light ÀÇ signal intensity ¿Í distribution density ¸¦ 2-D ±×·¡ÇÁ·Î Ç¥½Ã
15.6 ÀÎÄ¡ ÅÍÄ¡ µð½ºÇ÷¹ÀÌ¿¡ ÀÔÀÚ °³¼ö¿Í scatter intensity °¡ ½Ç½Ã°£À¸·Î Ç¥½Ã
ÃÖ¼Ò 15nm Â÷ÀÌ°¡ ³ª´Â Å©±âÀÇ ÀÔÀÚµéÀ» ±¸ºÐ °¡´É
·¹ÀÌÀúºöÀº ÃÖ´ë ÃÊ´ç 10,000 ¹ø±îÁö ÀÔÀÚÅ©±â ÃøÁ¤ °¡´É
250 §¡ (recommended) ±îÁö ÃÖ¼Ò·®ÀÇ »ùÇà »ç¿ë °¡´É
sample ÃøÁ¤ ½Ã°£Àº 5ºÐÀ¸·Î ¸Å¿ì ªÀº ½Ã°£¿¡ ÃøÁ¤ °¡´É
ÃøÁ¤ °¡´ÉÇÑ ÀÔÀÚ ³óµµ ¹üÀ§ : 106/ml ~ 109/ml
À¯¼¼Æ÷ ºÐ¼®±â¿¡ ³Î¸® »ç¿ëµÇ´Â ÃֽŠ±â´ÉÀÇ FCS Express 7 ¼ÒÇÁÆ®¿þ¾î¸¦ ÀåÂøÇÏ¿© ÃøÁ¤µÈ raw data ¸¦ ÀǹÌÀÖ´Â ´Ù¾çÇÑ ¾ç½ÄÀ¸·Î ÀüȯÇÏ¿© Á¦°ø
Å©±â¸¦ ¾Ë°í ÀÖ´Â ÂüÁ¶ ÀÔÀÚ¸¦ ÀÌ¿ëÇÏ¿© one point calibration ÀÌ °¡´ÉÇϹǷΠcalibration ÀÌ ¸Å¿ì Æí¸®ÇÏ´Ù
sample ÃøÁ¤, ¼¼Ã´ µîÀÇ ÀÛ¾÷ÀÌ Àü ÀÚµ¿À¸·Î ÁøÇà


Applications
- Particle counting and size determination
- Number concentration determination
- Direct determination of the number-based particle size distribution of nano- and microparticles
- Classification of nanomaterials
- Recording of agglomeration & flocculation kinetics
- Determination of distribution tails
- Particle contamination detection
- Separation membrane & filter medium testing, cut-off determination
- Dispersions of: CMP slurries, carbon black, pigments, filler, pharmaceutical emulsions & suspensions, reference & smart particles, biological cells, viruses






Specification of LUMiSpoc Single Particle Counter
Particle Size Range 40 nm to 350 nm (sideward scattering)
200 nm - 8,000 nm (forward scattering)
Min. Size Resolution (x < 1 ¥ìm) < 15 nm
Particle Concentration Range 106/ml to 109/ml
Counting Rate up to 10,000 per second
Typical Measurement Time 5 min
Light Source Diode laser, 405 nm, 40 - 100 mW (adjustable)
Particle Counting Precision < 2 %
Sample Volume as small as 250 ¥ìl (recommended)
Dimensions (W x H x D) 60 x 52 x 59 cm3
Weight 25kg
Power supply 24 V DC, 220W



 
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