1. |
Calf Thymus DNA (Sigma D4522) |
2. |
Buffer solution (pH 7.2)
; 0.015M NaCl, 0.0015M sodium citrate |
3. |
Deionized water |
4. |
S-3100 (PDA UV-Vis Spectrophotometer) |
5. |
Peltier Temperature Controller |
6. |
LabPro ¢ç Plus S/W, Bio Package |
7. |
Cuvette (10mm pathlength) |
½ÇÇè¿¡ »ç¿ëÇÑ S-3100ÀÇ parameter´Â ´ÙÀ½°ú °°´Ù:
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Data type : Absorbance |
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Sampling : Single Cell Peltier, Multi-Cell Peltier |
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Mode : Faster ( Scan No. : 10, Integration No. : 1) |
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Sampling temp. : 3¡É |
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Holding time : 1 min |
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Temp range : 40 ¡É? ~ 100 ¡É |
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Use Wavelength : 260 nm (¥ëmax) |
1. |
Calf Thymus DNA¸¦ buffer ¿ë¾×¿¡ ³ìÀÎ? DNA stock solutionÀ» ÁغñÇÏ¿© 4¡É¿¡¼ º¸°üÇÑ´Ù. |
2. |
DNA stock solutionÀ» buffer solutionÀ¸·Î ¾à 20 ug/ml°¡ µÇµµ·Ï Èñ¼®ÇÏ¿© DNA sample solutionÀ» Á¦Á¶ÇÑ´Ù.. |
3. |
Buffer solutionÀ» Cuvette¿¡ ´ã¾Æ Blank·Î ÃøÁ¤ÇÑ´Ù. |
4. |
DNA sample solutionÀ» Cuvette¿¡ ´ã¾Æ 260nm ÆÄÀå¿¡¼ 40¡É ¿¡¼ 100¡É±îÁö ¸Å 3 ¡É¸¶´Ù Èí±¤µµ¸¦ ÃøÁ¤ÇÑ´Ù. |
5. |
LabPro ¢ç Plus SoftwareÀÇ Bio package¸¦ ÀÌ¿ëÇÏ¿© Tm °ú % G-C ÇÔ·®À» °è»êÇÑ´Ù. (Figure 4.Âü°í) |
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