§Q¥Î¹qªa¨Ó¶i¦æ¼Ë¥»ÀË´ú¡A¬O¤@¶µ«nªº¥Í¤Æ¤ÀªR§Þ³N¡AÂǥѧïÅܽ¦¤ùªº°t¸m¤ñ¨Ò¡B¨Ï¥Î¤£¦P½w½Ä²GºØÃþ¡B¬Æ¦Ü¤£¦PªºpHÈ¡A´N¥i¾A¥Î©ó¦UºØ¤£¦P¯S©Êªº¥Í¤Æ¼Ë¥»¡F¥t¥~¡A¥Ñ¹qªaªºì²z¬°°ò¦¡Aµo®i¥X¦hºØ¸ÑªR¤O§ó¦n¡BÀ³¥Î½d³ò§ó¼sªººë±K»ö¾¹¡C¸û±`¨Ï¥Îªº¹qªa¤èªk²z¦p¤U¡G¤£³sÄò½¦Åé¹qªa (disc-PAGE©Înative-PAGE) ¤@¯ë¥Î©óÀË©w¯Â«×©Î¬¡©Ê¤ÀªR¡ASDS-½¦Åé¹qªa (SDS-PAGE) «h¥Î©ó³J¥Õ½è¦¸³æ¤¸Åé¤À¤l¶qªºÀË©w¡C²{¦b¦h¥H°g§A¥ªOª½¥ß¦¡¹qªa¡A¶i¦æ¤ÀªR¥Î³~ªº¹qªa¡C
¤£³sÄò½¦Åé¹qªa¬O³Ì°ò¥»ªº»E¤þ²mñQÓi¹qªa§Î¦¡¡A¦b¤ÀÂ÷½¦ÅépH 8.8ªº¹qªa±ø¥ó¤U¡A¤j³¡¤ÀpI¤p©ó8.8ªº³J¥Õ½è¤À¤l§¡¯à©¹¥¿·¥²¾°Ê¡A¦]¦¹¤À¤lªºªa°Ê²v«h»P¼Ë¥»ªº¹q²ü±K«× (t¹q²ü¼Æ/¤À¤l¶q) ¦¨¥¿¤ñ¡C ¦]½¦Å餣§tSDS¡A¬G»Ã¯À¬¡©Ê¦h¯à«O«ù¡A¥i¥H¦b½¦Åé¤W°µ»Ã¯À¬¡©Ê¬V¦â¡A¤]¥i¥Î©ó¤j¶q¼Ë¥»ªº¯Â¤Æ¡A§Y»s³Æ¦¡¹qªa¡C
ű½¦®M¥ó (§t¹qªa¬Á¤ù¤Î®ñ¤Æ¾T¤ù)
¶¡¹j±ø (Spacer, 0.75 mm)
¼Ë¥»®Þ (Comb, 10 well)
««ª½¹qªa¼Ñ (Hoefer SE-250¥ªO¦¡««ª½°g§A¹qªa¼Ñ)
¹q·½¨ÑÀ³¾¹ (ISCO-453©ÎPharmacia Biotech EPS 200)
·L¶q°wºÞ (Hamilton 80465) ©Î¹qªa¼Ë¥»±M¥Î§lºÞÀY
A²G (T30%, C2.6%)¡G
¤þ²mñQÓiacrylamide (Mallinckrodt
Gen AR 7717) 14.6 g
Bis (Bio-Rad
161-0201) 0.4 g
¥[¤ô¦Ü50 mL¡AYÃø·»«hµy·L¥[¼ö§U·»¤§¡AÀx¦s©ó4¢J¡C
(Bis = N,N¡¦-Methylene-bis-acrylamide)
B²G (¤ÀÂ÷½¦Åé½w½Ä²G)¡G
Tris (Sigma
T-1503) 18.2 g
TEMED (Sigma
T-8133) 0.36 mL
¥Î60 mL¤ô·»¸Ñ¡A¥HHCl½ÕpH¦Ü8.8¥[¤ô¦Ü100 mL¡AÀx¦s©ó4¢J¡C
(TEMED = N,N,N¡¦,N¡¦-Tetramethyl-ethylenediamine)
C²G (µJ¶°½¦Åé½w½Ä²G)¡G
Tris (Sigma
T-1503) 0.6 g
TEMED (Sigma
T-8133) 40 mL
¥Î8 mL¤ô·»¸Ñ¡A¥HHCl½ÕpH¦Ü6.8¥[¤ô¦Ü10 mL¡AÀx¦s©ó4¢J¡C
d. ³q¥Î¹qªa½w½Ä²G (5x)¡G
Tris 90
mM x 5 (Sigma
T-1503) 54.5 g
EDTA¡P2Na
2.5
mM x 5 (Sigma E-4884) 4.7
g
Boric
acid 80
mM x 5 (Sigma
B-0394) 24.8 g
¥[¤ô800 mL·»¸Ñ¡A¥HNaOH½ÕpH¦Ü8.4«á¡A¥[¤ô¦Ü1,000 mL¡A«Ç·Å«O¦s¡C¨Ï¥Î«en¥H»]ÃH¤ôµ}ÄÀ¤¿¡C
e. APS·»²G (ammonium persulfate, 10%)¡G
¨ú0.1
g·»©ó1 mL¤ô¡An½T¹ê·»¸Ñ§¹¥þ¡F¨Ï¥Î«e·sÂA°t¸m¡A¹L©]ªÌ¤£¦A¥Î¡C
f. °lÂܬV®Æ (tracking dye)¡G
¨úbromophenol
blue¬ù1 mg·»©ó5 mL³q¥Î¹qªa½w½Ä²G¡A¥[5 mL¥Ìªo²V¤Ã¡C
g. °ª¤À¤l¶q¼Ð·Ç³J¥Õ½è²Õ¦X (HMW electrophoresis calibration kit,
Pharmacia)¡G
Protein: ¤À¤l¶q (Da)
Thyroglobulin 669,000
Ferritin 440,000
Catalase 232,000
Lactate dehydrogenase 140,000
Bovine serum albumin
67,000
¡» ª`·N¡G¥Hnative-PAGE´ú©wªº¤À¤l¶q¡A¥u¯à°µ¬°°Ñ¦Ò¡A¤£¯à°µ¬°°ß¤@ÃÒ¾Ú¡C
A. ű½¦¡G
1. ±N¹qªa¬Á¤ù¤Î®ñ¤Æ¾T¤ù²M¬~²b«áÀ¿°®¡A¦A¥H¬Á¼þ²M¼ä¾¯À¿«ø°®²b¡A¿ï¾Ü©Ò»Ý«p«×ªº¶¡¹j±ø (spacer) ±N¨ä²Õ¸Ë©óű½¦®M¥ó¤¤¡C
2. ¨Ì·Óªí2.1©Ò¦Cªº¦U·»²G¤ñ¨Ò¡A¿ï¾Ü©Ò»Ýªº¤ÀÂ÷½¦Åé¿@«×¡F°t¸m½¦Åé·»²G®É¡A¨ä¤¤APS·»²G¥²¶·³Ì«á¥[¤J¡A¤p¤ß²V¦X§¡¤Ã¡A¥HÁקK®ðªw²£¥Í¡AµM«á½w½wˤJ¸Ë¸m¦nªºÅ±½¦®M¥ó¤¤¡CY§A¤£ª¾n¥Î¦h¤Ö¿@«×ªº½¦Åé¡A¥ý¸Õ7.5%ªÌ¡C
3. ½¦Åé°ª«×¬ù¦û¬Á¤ùªº2/3¦Ü3/4°ª¡A¥[§¹«á¾¨§Ö¦b¦U½¦Åé²G±¤W¤è¤p¤ß¥[¤J 100 mL²§¤þ¾J¡A¥HÀ£¥½¦Åé²G±¡C
4. ¬ù30 min¦Ü1 h«á (¤Ñ§N¶·§ó¤[)¡A¾®½¦§¹¦¨¡AË¥X¤W¼hªº²§¤þ¾J¡C
5. °t¸mµJ¶°½¦Åé·»²G¡A¥ý·Ç³Æ¦n©Ò»Ý¤§¼Ë¥»®Þ (comb)¡A¥[¤J·»²G«á¥ß¨è´¡¤J¡A¾ãÓ¹Lµ{¥²¶·¦b5 min§¹¦¨¡A¬ù30 min¥i§¹¦¨¾®½¦¡C
6. ©î¨øű½¦®M¥ó¡A±N¦h¾lªº¾®½¦¥h°£¡Aű¦nªº½¦¤ù¸m©ó«Ê¤f³U¤¤©ñ¦b4¢J«O¦s¡A¨Ã¥[¤J¤Ö¶q»]ÃH¤ô¨¾¤î½¦¤ù°®µõ¡A¨Ï¥Î´Á¬ù¬°¤@¶g¡C
ªí2.1±`¥Înative-PAGE½¦Åé·»²G
(³æ¦ìmL)
½¦Åé·»²G |
¤ÀÂ÷½¦Åé·»²G |
µJ¶°½¦Åé |
|||||
5% |
7.5% |
10% |
12.5% |
15% |
20% |
4% |
|
A |
1.65 |
2.5 |
3.3 |
4.15 |
5.0 |
6.7 |
0.66 |
B |
2.5 |
- |
|||||
C |
- |
1.24 |
|||||
H2O |
5.8 |
4.95 |
4.15 |
3.3 |
2.45 |
0.75 |
3.0 |
APS |
0.05 |
0.1 |
|||||
Á`Åé¿n |
10 |
5.0 |
B. ¹qªa¡G
1. ¥ý¨ú¥X½¦¤ù¦^·Å¡A±Nµ}ÄÀ¦¨¤@¿ªº³q¥Î¹qªa½w½Ä²G¡AˤJ¹qªa¼Ñªº©³³¡¡C±µµÛ§â½¦¤ù¥H45«×¬[¨ì¹qªa¼Ñ¤W¡AÁקK®ðªw²£¥Í¡F·í¹qªa§¨§¨§´«á¡A¦b¹qªa¬Á¤ù²Õ¦Xªº¤W¤è¡A¥[¤J¹qªa½w½Ä²G¡C¹qªa«e¡A¥ý¥H·L¶q°wºÞ²M¬~¦U¼Ë¥»¼Ñ¡AÁקK¦³¾®½¦¤£§¹¥þªº´Ý¾lª«¯d¦b¼Ë¥»¼Ñ¤º¡C
2. ½¦¤ù¤@©wn¦^´_«Ç·Å«á¤~¯à¬[¨ì¹qªa¼Ñ¡A§_«h¬Á¤ù·|º¦¯}¡C
3. ¨ú¾A¶qªº¼Ë¥» (¬ù10~15 mL)¡A¥[¤J 1/4 Åé¿n¤§°lÂܬV®Æ¡A²V¦X§¡¤Ã«á¥H·L¶q°wºÞ¤p¤ßªºª`¤J½¦Å餤ªº¼Ë¥»¼Ñ¡A¨ÃÁקK®ðªwªº²£¥Í¡C
¡» ¥[¤Jªº¼Ë¥»n¨Æ¥ý©w¶q¡A¥H«Kºâ¥X¥[¤JY¤z¶qªº³J¥Õ½è¡C
4. °ª¤À¤l¶qªº¼Ð·Ç³J¥Õ½è¬ù»Ý4~8 mL¡A§@¬°³J¥Õ½è¤À¤l¶qªº°Ñ¦Ò¡F¦ýdisc-PAGE ¤¤¡A¤À¤l¶qªº´ú©w¨Ã¤£¥i¾a¡A¦]¦¹À³ÁקK¥Î¨Ó¨M©w¤À¤l¶q¡C
5. ±N¹qªa¼Ñ¤W³¡»\¤l»\¤W¡A½T»{¥¿t·¥¸Ë¸m¥¿½T (³J¥Õ½è¥Ñt·¥©¹¥¿·¥¶])¡A³s±µ¤W¹q·½¨ÑÀ³¾¹¡A©w¹qÀ£¥H100~150 V¶i¦æ¹qªa¡AY½¦¤ù»Ý°µ¬¡©Ê¬V¦â¡A«h¥²¶·¦b4¢J§N©Ð¤¤¶i¦æ¹qªa¡C
6. «Ý°lÂܬV®Æ¶]¥X½¦¤ù«á¡AÃö±¼¹q·½¡A¨ú¥X½¦¤ù¤¤ªº½¦Åé¡A¥H¸Ñå¤MºI¨¤°µ°O¸¹¡A·Ç³Æ¶i¦æ¬V¦â¡C
SDS-PAGE¬O¦b¹qªa¨t²Î¤¤¡A§Q¥Î¬É±¬¡©Ê¾¯SDS (sodium dodecyl sulfate) ªþ¦b³J¥Õ½è²¨¤ô°Ïªí±¡A¥ÑSDS¥»¨©Ò±a¤§t¹q²ü¤Þ¾Éªa°Ê¡C ¥Ñ©ó³J¥Õ¥»¨©Ò±a¹q²ü»·¤p©óªþµÛ¤§SDS¤À¤l¡A¦]¦¹³J¥Õ½è¥»¨ªº¹q²ü¹ïªa°Ê²v¨S¦³¼vÅT¡Aªa°Ê²v¥u¨M©w©ó³J¥Õ½è¤À¤l¶q¡A¬GSDS¹qªa¾A¦X´ú©w³J¥Õ½èªº¤À¤l¶q¡C ¦b¼Ë¥»³B²z¹Lµ{¤¤¡A§Q¥Î¥[¼ö¯}Ãa³J¥Õ½èªº¤T¯Å¤Î¥|¯Åµ²ºc¡A¨Ï¨ä¤À¤l¤º³¡ªº²¨¤ô°Ï¼ÉÅS¦Ó»PSDSµ²¦X¡F¥[¤JÁÙ쾯¥i¯}Ãa³J¥Õ½è¤À¤l¤ºªºÂù²¸Áä¡A±`¥ÎÁÙ쾯¦³ b-mercaptoethanol©Îdithiothreitol¡C¦]¦¹SDS-PAGE¼sªx¦aÀ³¥Î©ó³J¥Õ½è¦¸³æ¤¸Åé¤À¤l¶qªº¨M©w¡C
¦P¤W¸`¤§¤£³sÄò½¦Åé¹qªa
°£¤F¤W¸`©Ò¨Ï¥ÎªºÃÄ«~¥~¡AÁٻݰt¸m¥H¤UªºÃÄ«~¡G
SDS½¦Åé¹qªa¼Ë¥»·»²G (SDS-PAGE sample
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Tris 125
mM x 2 (Sigma T-1503) 0.3 g
EDTA¡P2Na 2
mM x 2 (Sigma
E-4884) 14.9 mg
SDS 2%
x 2 (Nakalai
316-07) 0.4 g
b-mercaptoethanol 5% x 2 (Sigma
M-6250) 1 mL
¥[¤G¦¸¤ô8 mL·»¸Ñ¡A½ÕpH¦Ü6.8¤§«á¡A¦A¥[¤ô¦Ü10 mL¡C
10% SDS·»²G¡G
¨ú1 g SDS·»©ó10 mL¤G¦¸¤ô¡FSDS·¥©ö´°_¡Aª`·N¤Å§l¤J¡A¥H§K³y¦¨¶Ë®`¡C
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°t¸m¦P³q¥Î¹qªa½w½Ä²G¡A¦ý¦bµ}ÄÀ®É¥[¤JSDS¨Ï¦¨¬°0.1 % SDS¡C
Novex SeeBlue Pre-stained standard¡G
Protein:
¤À¤l¶q (Da)
BSA 98,000
Glutamic dehydrogenase 64,000
Alcohol dehydrogenase 50,000
Carbonic anhydrase 36,000
Myoglobin 30,000
Lysozyme 16,000
A. ű½¦¡G
¤èªk¦P¤W¸`¤£³sÄò½¦Åé¹qªa¡A¥u¬O¦b½¦Åé·»²G¤¤¦h¥[¤F1% ªºSDS¡F½¦Å骺¿@«×°t¤è¦p¤Uªí2.2¡A10 mL¬ù¨¬°÷ű³y¨â¤ù½¦¤ù¡C
ªí2.2±`¥ÎSDS-PAGE½¦Åé·»²G
(³æ¦ì mL)
½¦Åé·»²G |
¤ÀÂ÷½¦Åé·»²G |
µJ¶°½¦Åé |
|||||
5% |
7.5% |
10% |
12.5% |
15% |
20% |
4% |
|
A |
1.65 |
2.5 |
3.3 |
4.15 |
5.0 |
6.7 |
0.66 |
B |
2.5 |
- |
|||||
C |
- |
1.24 |
|||||
10% SDS |
0.1 |
0.05 |
|||||
H2O |
5.7 |
4.85 |
4.05 |
3.2 |
2.35 |
0.65 |
2.95 |
APS |
0.05 |
0.1 |
|||||
Á`Åé¿n |
10 |
5.0 |
B. ¹qªa¡G
1. ¨ú¥X½¦¤ù¦^·Å¡A±Nµ}ÄÀ¦¨¤@¿ªºSDS¹qªa½w½Ä²G¡AˤJ¹qªa¼Ñ©³³¡¡C±µµÛ§â½¦¤ù¥H45«×¨¤©ñ¤J¡A¥iÁקK®ðªwªº²£¥Í¡A·í¹qªa§¨§¨§´«á¡A¦b¹qªa¬Á¤ùªº¤W¤è¡A¥[¤J¹qªa½w½Ä²G¡C¦P¼Ë¤]n²M¬~¨CӼ˥»¼Ñ¡C
2. ¨ú¾A¶qªº¼Ë¥» (¬ù 5~10 mL)¡A¥[¤J¦PÅé¿n¤§¼Ë¥»½w½Ä²G (sample buffer) ¦A¥[¤J2 mL°lÂܬV®Æ¡A²V¦X§¡¤Ã«á©ó100¢J¤¤µN5 min¡A«Ý§N«o«áÂ÷¤ß30 s¡A¥H·L¶q°wºÞ¤p¤ßª`¤J½¦Å餤ªº¼Ë¥»¼Ñ¡A¨ÃÁקK®ðªw²£¥Í¡C
3. §C¤À¤l¶q¼Ð·Ç³J¥Õ½è¬ù»Ý4~8
mL¡A§@¬°³J¥Õ½è¤À¤l¶q°Ñ¦Òªº¨Ì¾Ú¡C
4. ±N¹qªa¼Ñ¤W³¡ªº»\¤l»\¤W¡A½T»{¥¿t·¥¸Ë¸m¥¿½T¡A³s±µ¤W¹q·½¨ÑÀ³¾¹¡A©w¹qÀ£¥H100~150 V¶i¦æ¹qªa¡C
5. «Ý°lÂܬV®Æ¶]¥X½¦¤ù¥~¡AÃö±¼¹q·½¡A¨ú¥X½¦¤ù¤¤ªº½¦Åé¡A¥H¸Ñå¤MºI¨¤°µ°O¸¹¡A·Ç³Æ¶i¦æ¬V¦â¡C
¥HCBR¤À¤l¤WªºªÚ»fÀô¡A»P³J¥Õ½èªº²¨¤ô°Ïµ²¦X¡F¦P®É¨ä¨È²¸»Ä°ò¹Î (-SO32-)
»P³J¥Õ½èªº¥¿¹q²üµ²¦X¡A¥i¨Ï³J¥Õ½è¬V¥XÂŦâ¦â±a¡C¬O«D±`¤è«Kªº³J¥Õ½è¬V¦âªk¡A¦ý¨äÆF±Ó«×¤£°ª¡A¨CÓ¦â±a¦Ü¤Ön¶W¹L10 mg¥H¤Wªº³J¥Õ½è¤~¬V±o²M·¡¡C
¥¥x¾_Àú¾¹
¬V¦â¬û¡G³Ì¦n¥Î¬Á¼þ»s«~¡ACorning¼p¨ãªºªø¤è§Î¬Á¼þ¬û·¥¬°¦X¥Î¡C
a. CBR¬V¦â²G¡G
Coomassie Brilliant Blue R-250 (Sigma B-0149) 0.75 g
¥Î250 mL¥Ò¾J·»¸Ñ«á¡A¦A¥[¤J250 mL¤G¦¸¤ô¤Î50 mL¾L»Ä¡C
b. CBR²æ¦â²G¡G
10%¾L»Ä»P20%¥Ò¾Jªº¤ô·»²G¡C
1. ±N¹qªa§¹²¦ªº½¦Åé®û¤JCBR¬V¦â²G¤¤¡A¬V¦â²G¥Î¶q¥un»\¹L½¦¤ù§Y¥i¡F¸m©ó¥¥x¾_Àú¾¹¤W·nÀú30 min¡C
2. Y³J¥Õ½è¿@«×¸û§C¡A«h¬V¦â®É¶¡¥i¥[ªø (1 h) ¥H¼W¥[¦â±a²`«×¡C
3. Ë¥X¬V¦â²G¡A¥Î¦Û¨Ó¤ô¨R¬~«áˤJ²æ¦â²G¡A²æ¦â²G»\¹L½¦¤ù§Y¥i¡C ©ó¬V¦â¬û¤¤©ñ¤J¤@¶ô§l¤ô¯È¡A¥i¥[³t²æ¦â¹Lµ{¡C
4. Y½¦Åéªí±¦³¤£·»ªºCBR¬V®Æ¨H¿n¡A¥i¥H¥Î50%¥Ò¾J¬~¥h¡C
§Q¥Î¬Á¼þ¯È (Áɸôªâcellophane) ªº¥b³z½¤¯S©Ê¡A¹qªa½¦¤ù¤¤ªº¤ô¤À¤Î¥Ò¾J¦b¤T©úªv²Õ¦X¤¤«Ü®e©ö»]µo¡A¨Ï½¦¤ù³QÀ£°®¥BÀ£¥©ó¨â±i¬Á¼þ¯È¤¤¡A¥iªø¤[«O¦s¡C½¦¤ù°®Àê«á¥ç¥i°µ¦P¦ì¯À©ñ®gÅã¹³¡A©ÎªÌ¦â±a¿@«×±½´y¡C
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1. ¦b¬Á¼þªO¤W¾Q¥²Ä¤@±i·Ã¼íªº¬Á¼þ¯È¡A¬Á¼þ¯Èªº¥|Ãän²¤¤j©ó¬Á¼þªO¡A¥|Ãä§é¤U¡AÁקK¬Á¼þ¯È»P¬Á¼þªO¤¤¦³¥ô¦óªº®ðªw²£¥Í¡C
2. ±N¬V¦â§¹²¦¤§½¦¤ù¸m©ó¤Wz¨BÆJ¤§¬Á¼þ¯È¤W¡C
3. ±N¥t¥~¤@±i¬Á¼þ¯È®û·Ã¡A¤p¤ß¾Q»\©ó½¦¤ù¤W¡AÁקK¥ô¦ó®ðªw²£¥Í¡A¬Á¼þ¯Èªº¥|Ãän²¤¤j©ó¬Á¼þªO¬ù1~2 cm¡A±N²Ä¤G¼hªº¬Á¼þ¯È¥|Ãä¤ÏºP¨ì¬Á¼þªOI±¡C
4. ¥H¤å®Ñ§¨§¨¦í¥|¨¤¡A¸m©ó«Ç·Å©Î37¢J¯M½c¤¤°®Àê¡C
5. Àˬd½¦¤ù¬O§_§¹¥þ°®Àê¡A¥i¥H§Q¥Î«ü¥Ò¦b½¦¤ù¤W»´ºV¡A°®À꧹¥þªº½¦¤ù¤£·|¯d¤U¥ô¦ó«ü¥Ò²ª¸ñ¡F¥i±N½¦¤ù°Å¤U¡A¥HÅ@¨©½¦½¤Å@¨©«á«O¦s¡C
¶Ç²Îªº¦h·½©Ê§ÜÅ鬰¤@¸s§Ü¤£¦P§Ü줧²V¦X§ÜÅé¡C¦Ó¨CºØ§ÜÅ駡¥Ñ³æ¤@ªºµÊ²ÓM®è (B²ÓM) ©Ò¤Àªc¡A¤@ӵʲÓM®è¥u²£¥Í¤@ºØ§ÜÅé¡A¦¹§Y¬°³æ®è§ÜÅé¡C¦ý¬O³æ¿WªºµÊ²ÓMµLªk¦b°ö¾i°ò¤¤¥Íªø¡AY¥i¤ÀÂ÷¥X¦¹²ÓM®è¨Ã»P°©ÅèÀù²ÓM®è¿Ä¦X¥[¥H°ö¾i¡A«h±o¨ì¤§¿Ä¦X²ÓM¥iݨã¤Àªc§ÜÅé¡A¥H¤Î¦b°ö¾i°ò¤¤¥Íªøªº¯S©Ê¡C¥»½×¤å¥HNS-1²ÓM®è»P¸g§Üì§K¬Ìbalb/c¤p¥Õ¹«µÊ²ÓM¶i¦æ¿Ä¦X¡A´Á¥H³æ®è§ÜÅ餧±M¤@©Ê¡AÁקK¤ÀªRcitrinin®É¨ü¨ìºc«¬Ãþ¦ü¤§¤p¤À¤l¤zÂZ¡C
¦]¬°¥»¹êÅ礧§Üìcitrinin¬°¤À¤l¶q¶È250 Da¤§¤p¤À¤l¡A±N¨ä¹w¥ýÁäµ²¦b¤j¤À¤l³J¥Õ½èKLH¤À¤l¤W¡A¦A¥´¤J°Êª«Å餺¥i¥H¦³¸û¦n¤§§K¬Ì®ÄªG¡C
37¢J«í·Å½c (Memmert)
Hemocyanin (Sigma, H-7017)
¥ÒîÇ (Merck)
Citrinin (Sigma, C-1017)
³zªR½¤ (Seamless cellulose tubing
36/32, ¤À¹º¤À¤l¶q12,000~14,000 Da)
¾L»Ä¶u¤ÏÀ³²G
natriumacetate 0.1 M
(Riedel-deHaen)
0.82 g
·»©ó80 mL¤ô¤¤¡A¥HHCl½ÕpH¦Ü4.2¡A¥[¤ô©wÅé¿n¦Ü100 mL¡C
1. ¨ú0.6 mg¤§KLH·»©ó80 mL¤§0.1 M¾L»Ä¶u¤ÏÀ³²G¤¤¡A¨Ã»P15 mL¤§10 mg/mL citrinin¬Û²V¦X¡C
2. ¨³³t¥[¤J40 mL¤§¥ÒîÇ·»²G¡A§¡¤Ã²V¦X«á¡A¸m¤J37¢J°ö¾i½c¤¤¤ÏÀ³24 h¡C
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¸¡¤ô»Ý¯Â¤Æ¦Ó¥H±o§K¬Ì²y³J¥Õ (IgG)¡C§Q¥Î0-40%²¸»Ä»Ï¹¡©M¿@«×¥i±N§K¬Ì²y³J¥Õ¨H¾ý¤U¨Ó¡A¬°ªì¨Bªº¯Â¤Æ¨BÆJ¡F¤]¥i¶i¤@¨B¥H½¦Åé¹LÂoªk©ÎÂ÷¤l¥æ´«ªk¶i¦æ IgG¤§¯Â¤Æ¡C
°ª³t§NáÂ÷¤ß¾÷ (Hitachi 20PR-52 ©Î CR-22)
³zªR½¤ (Seamless cellulose tubing 36/32, ¤À¹º¤À¤l¶q12,000~14,000 Da)
²¸»Ä»Ï (ammonium sulfate, Merck 101211)¡G
ÃÄ«~©ó¯M°®«áª½±µ¨Ï¥Î¡C
PBS
(phosphate buffer saline, 1x)¡G
°t¤è¦P«e©Òz¡C
1. ±o¨ì¤p¥Õ¹«¤§¸¡¤ô¡A©ó4¢J¤UÀR¸m30~60 min¡C
2. ¥H1,500 rpmÂ÷¤ß20 min¥h°£²ÓM¤Î¦å²y¸Hµõª« (lysate)¡C
3. ¥[¤J2¿Åé¿nªºPBS (1x) ²V¦X§¡¤Ã¡A©ó¦B¯D¤U¶i¦æ0-40%¹¡©M«×ªº²¸»Ä»Ï¨H¾ý¡A¥¿Å30 min¡A·Ç³ÆÂ÷¤ß¦^¦¬IgG¨H¾ý¡C
4. ¥H15,000 rpmÂ÷¤ß30 min¡A¥h°£¤W²M¡C
5. ¨H¾ý¦^·»©ó»P¸¡¤ô¦PÅé¿n¤§PBS¡A¨Ã¹ï4 L PBS¶i¦æ³zªR¹j©]¡C
6. ³zªR«áªº¼Ë«~¡A¦A¥H15,000 rpmÂ÷¤ß20 min¡A¨ú¤W²M²G¡C
7. ¥[¤Jµ¥Åé¿nªº¥Ìªo«O¦s©ó-20¢J¡A¦¹§Y¬°¯Â¤Æ¤§§K¬Ì²y³J¥Õ¡C
8. ±µµÛ¶i¦æELISA´ú¸Õ§ÜÅ餧®Ä»ù¡C
»Ã¯À§K¬Ì¤ÀªRªk (enzyme immunoassay, EIA) ©ÎºÙ¬°»Ã¯À³sµ²§K¬Ì§lµÛ¾¯¤ÀªRªk (enzyme linked immunosorbent assay, ELISA) ¡A§¡¦b96¼Ñ·L¶qºw½L (96-well microtiration plate¡A²ºÙELISA½L) ¤¤¾Þ§@¡A¥iª½±µ¥H±M¥ÎªºELISA¥ú«×p (ELISA reader) ´ú±o¨C¤@¼Ë«~ªº§e¦â§l¥ú¡A«D±`¤è«K¥B§Ö³t¡C¬°¤F¾Þ§@¤è«K°_¨£¡A§Ṳ́@«ß±N¤wª¾ªº§Üì©T©w¦b©T¬Û¤W¡A¥H¶¡±µ¼Ð¥Üªk (indirect labeling¡A²ºÙ¶¡±µªk) ¨Ó´ú©w¥¼ª¾§ÜÅé¶q¡C¤U¹Ï»¡©ú¶¡±µ¼Ð¥Üªkªº¤ÏÀ³¹Lµ{¡C
37¢J«í·Å½c (Memmert)
ELISA¥ú«×p (Dynatech
Laboratories MRX)
ELISA 96¼Ñ·L¶qºw©w½L (Nunc
442404)
¤KºÞ¦Û°Ê§lºÞ (Biohit 250)
©ú½¦-NET (NaCl-EDTA-Tween)¡G
Gelatin (0.25%) (Merck
4078) 5 g
NaCl (0.15 M) (Merck
6404) 17.5 g
EDTA.2Na (5 mM) (Merck
8418) 3.6 g
Tween 20 (0.05%) (Merck
822184) 1 mL
Tris (hydroxymethyl) methylamine (50 mM) (BDH 103157P) 12.1 g
¥[¼ö¦Ügelatin·»¸Ñ¡A«Ý§N«o¦Ü«Ç·Å«á¡A½ÕpH¦Ü8.0¡A¦A©w¶q¦Ü2 L¡C
PBS (phosphate buffer saline, 10¡Ñ)¡G
NaCl (0.13 M ¡Ñ 5) (Merck
6404) 75.9 g
NaH2PO4 (0.01 M ¡Ñ 5) (Wako
192-02815) 15.6 g
¥[¤ô800 mL·»¸Ñ«á¡A¥ÎNaOH½Õ¦¨pH 7.0¡A¦A©w¶q¦Ü1 L¡A¦¨¬°10¿ªºPBS¡C¨Ï¥Î«eµ}ÄÀ10¿¡C
PBST (phosphate buffer saline & Tween-20)¡G
±N10¿ªºPBSµ}ÄÀ¦Ü1¿¡A¨Ã¥[¤J0.05% (v/v) Tween-20¡C
¤G¦¸§ÜÅé (Horse radish perxidase-goat-anti-mouse, HRP-GAM)¡G
perxidase-conjugated goat IgG fraction to
mouse immunoglobulins (IgG, IgM, IgA) (Cappel 55556)
¨Ï¥Î«e¥HPBS (1¡Ñ) µ}ÄÀ1,000~1,500¿¡C
¡» ì²G¶·Àx¦s©ó-20¢J¡A¨Ï¥Î«e·sÂA°t»s¡C
OPD°ò½è²G¡G
o-Phenylenediamine (Sigma
P-1526) 40
mg
H2O2 (Merck
7210, 30¢M) 10
mL
¥HPBS (1x) ·»¸Ñ«á¡A©w¶q¦Ü100 mL¡C
¡» ¨Ï¥Î«e·sÂA°t»s¡B¥H²`¦â²~Á×¥ú¤U«O¦s¡A¹j©]¤£¥i¦A¨Ï¥Î¡C
¡» OPD¯»¥½¨Æ¥ý¤À¸Ë¦¨¤p²~¡A¥H§K¦]¤ÏÂЦBá¡B¸Ñá¦ÓÅܽè¡C¥t¥~OPD¥i¯à¬°PÀùª«½è¡Aª`·N¤Å§l¤J¹Ð®J©Îª½±µ±µÄ²¡C
1. Carrier protein§lªþ¤ÏÀ³ (Coating)¡G ¨úBSA¥HPBS
(1x) µ}ÄÀ¿@«×2 mg/mL¡A¦bELISA½L¤¤¨C¼Ñ¥[¤J0.1 mL¡A¥H³z©ú½¦¥¬±N¾ãÓºw©w½L»\¤W¡A¨¾¤î·»²G»]µo¡C©ó37¢J¤U¤ÏÀ³2 h¡A©Î¥iª½±µ4¢J¹L©]¡C
2. §Üì»Pcarrier
proteinÁäµ² (Conjugation)¡G§lªþ¤ÏÀ³«á§l¥hcarrier
protein¡A¥HPBST¬~¤T¦¸¡C¨ú20 mL citrinin¥[¤J50 mL¤§¾L»Ä¶u·»²G¤¤¡A¨Ã¦P®É¥[¤J30 mL ¤§¥ÒîÇ¡A¥R¤À²V¦X¤§«á¡A¥þ¼Æ¥[¤JELISA½L¤¤¡A©ó37¢J¤U¤ÏÀ³12 h¡C
3. ¶ñ¶ë (Blocking)¡G
§lªþ¤ÏÀ³«á§l¥h§Üì¡A¥HPBST¬~¤T¦¸¡C¨C¼Ñ¥[¤JNET²G0.2 mL¡A½¦±a«Ê¤f«á¡A¸m«Ç·Å¤ÏÀ³1~2 h«á¬~¥h¡A¦A¥HPBST¬~¹L¤T¦¸¡C¥i¸m©ó4¢J³Æ¥Î¡C
4. §Üì§ÜÅé¤ÏÀ³¡G §ÜÅé·»²G¥HNETµ}ÄÀ¦Ü¾A·í¿@«×¡A¨C¼Ñ¥[¤J0.1 mL¡A¥H½¦±a«Ê¤f¡A©ó37¢J¤U¤ÏÀ³30 min«á¡A¦A©ó4¢J¤ÏÀ³1 h¡C¤ÏÀ³«á§l¥h§Üì¡A¥HPBST¬~¤T¦¸¡C
5. ¤G¦¸§ÜÅé¤ÏÀ³¡G ¤G¦¸§ÜÅé¥HPBSµ}ÄÀ¦Ü¾A·í¿¼Æ«á¡A¨C¼Ñ¥[¤J0.1 mL¡A¥H½¦±a«Ê¤f«á¡A©ó37¢J¤U¤ÏÀ³30 min«á¡A4¢J¤ÏÀ³1 h¡Cª`·N»Ý«D±`¤p¤ßªº¥[¤J¤G¦¸§ÜÅé·»²G¡AÁקK·»²G¶W¥XNET¶ñ¶ëªº½d³ò¦Ó¼vÅT§e¦â¡C¤ÏÀ³«á¡A¤p¤ß§l¥h»Ã¯À³sµ²Åé·»²G¡A¥HPBST¬~¤¦Ü¤C¦¸¡C
6. »Ã¯À§e¦â¤ÏÀ³¡G ¨C¼Ñ¥[¤J0.15 mL OPD°ò½è²G§e¦â¡A³Ì¦n¥H¤KºÞ¦Û°Ê§lºÞ§Ö³t²K¥[§¹¦¨¡AÁ×¥ú©ó«Ç·Å¤U¤ÏÀ³¡CY«Ç·Å¤Ó§C¡A¥i¸m©ó37¢J¤º¥[³t¤ÏÀ³¡C§e¦â¬ù¦b¥b¤p®É«áÁÍ©óéw¡C¨Ï¥ÎELISA¥ú«×p´ú405 nmªiªø§l¥úÈ¡C
³J¥Õ½è¸g¹qªa¤§«á¡A¥Ñ¹qªaÂà¦Lªk±N³J¥Õ½èÂà¦L¦ÜPVDFÂà¦L½¤¡A¥ý§Q¥Î±M¤@©Ê§ÜÅé (¤@¦¸§ÜÅé)¡A¹ï§Üì¶i¦æ¿ëÃÑ¡A¦A¥H¤G¦¸§ÜÅé¹ï¤@¦¸§ÜÅé§@±M¤@©Êªº¿ëÃѵ²¦X¡C¤G¦¸§ÜÅé¤W³sµ²¦³¯S©wªº§e¦â»Ã¯À (horse radish peroxidase, HRP©Îalkaline
phosphatase, AP)¡A¥i¥H¸g¥Ñ»Ã¯À¤ÏÀ³¦Ó§e¦â¡C¦¹¨BÆJ¥i¥H´£°ª§ÜÅ骺±M¤@©Ê¡A¬V¦âªºÆF±Ó«×¤]¤j´Tªº´£¤É¡C
¥¥x¾_Àú¾¹ (TKB OS701)
©ú½¦-NET (NaCl-EDTA-Tween)¡G
Gelatin (0.25%,
Merck 4078) 5 g
NaCl (0.15
M, Merck 6404) 17.5 g
EDTA¡P2Na (5
mM, Merck 8418) 3.6 g
Tween 20 (0.05%,
Merck 822184) 1 mL
Tris (50
mM, BDH 103157P) 12.1 g
¥ý¥H¤Ö¶q¤G¦¸¤ô±Ngelatin¥[¼ö·»¸Ñ¡AµM«á¥[¤G¦¸¤ô¤Î¨ä¥L¸Õ¾¯¦Ü1,700 mL¡A½ÕpH¦Ü8.0¡A¦A©w¶q¦Ü2,000 mL¡C
PBS (Phosphate buffer saline, 10¡Ñ)¡G
NaCl (0.13
M¡Ñ5, Merck 6404) 75.9 g
NaH2PO4 (0.01
M¡Ñ5, Wako 192-02815) 15.6 g
¥[¤ô800 mL·»¸Ñ«á¡A¥ÎNaOH½Õ¦¨pH 7.0¡A¦A©w¶q¦Ü1,000 mL¡A¦¨¬°10¿ªºPBS¡C¨Ï¥Î«eµ}ÄÀ10¿¡C
PBST (Phosphate buffer saline & Tween-20)¡G
±N10¿ªºPBSµ}ÄÀ¦Ü1¿¡A¨Ã¥[¤J0.05% (v/v) Tween-20¡A§Y¬°PBST¡C
(1) HRP§e¦â¨t²Î¡G
¤G¦¸§ÜÅé (Horse radish peroxidase-goat anti mouse, HRP-GAM)¡G
Peroxidase-conjugated goat IgG fraction to mouse
immunoglobulins (IgG, IgM, IgA) (Cappel 5556)
¨Ï¥Î«e¥HNETµ}ÄÀ1,000~1,500¿¡C
¡» ì²G¶·Àx¦s©ó4¢J©Î¥[¥Ìªo¦Ü50%©ó -20¢JÀx¦s¡A¨Ï¥Î«e·sÂA°t»s¡C
DAB§e¦â²G¡G
Diaminobenzidine (Sigma
D-5637) 5 mg
H2O 2 (30%) (Merck 7210) 10 mL
¥HPBS (1¡Ñ) ·»¸Ñ«á¡A©w¶q¦Ü100 mL¡C
¡» ¨Ï¥Î«e·sÂA°t¸m¡B¥H²`¦â²~Á×¥ú¤U«O¦s¡A¹j©]¤£¥i¦A¨Ï¥Î¡C
¡» DAB¯»¥½¨Æ¥ý¤À¸Ë¦¨¤p²~¡A¥H§K¦]¤ÏÂЦBá¡B¸Ñá¦ÓÅܽè¡C ¥t¥~DAB¥i¯à¬°PÀùª«½è¡Aª`·N¤Å§l¤J¹Ð®J©Îª½±µ±µÄ²¡C
(2) AP§e¦â¨t²Î¡G
¤G¦¸§ÜÅé
¡G
Biotin-conjugated goat IgG fraction to mouse
immunoglobulins (IgG, IgM, IgA) (Cappel 5556)
¨Ï¥Î«e¥HNETµ}ÄÀ1,000~1,500¿¡C
¡» ì²G¶·Àx¦s©ó4¢J©Î¥[¥Ìªo¦Ü50%©ó -20¢JÀx¦s¡A¨Ï¥Î«e·sÂA°t»s¡C
AP½w½Ä²G (alkaline phosphatase buffer)¡G
MgCl2 (0.5
mM ¡Ñ 1, Sigma M-8266) 47.6 mg
±NMgCl2¥[¤J800 mL¤§PBS (2X) ¤¤¡A¥HNaOH½ÕpH¦Ü9.5¡A¦A©w¶q¦Ü1 L¡C
A + B¸Õ¾¯¡G
A reagent (Vectastain,
avidin)
B reagent (Vectastain,
biotinylated alkaline phosphatase)
¥H©ú½¦-NETµ}ÄÀ1,500¿¨Ã²V¦X§¡¤Ã¡A«Ç·Å¤U¤ÏÀ³30 min«á¨Ï¥Î¡C
NBT¸Õ¾¯¡G
Nitro blue tetrazolium (Sigma,
N-6876) 0.5
g
·»©ó10 mLªº70% dimethylforamide (DMF, Merck 3053)¡C
BCIP¸Õ¾¯¡G
5-Bromo-4-chloro-3-indolyl-phosphate (Sigma,
B-6149) 15
mg
·»©ó0.3 mLªºH2O¡A¨Ï¥Î«e·sÂA°t»s¡C
AP§e¦â¾¯¡G
BCIP¸Õ¾¯ 33
mL
NBT¸Õ¾¯ 66
mL
§e¦â«e·»©ó10 mL 1¡Ñ
AP½w½Ä²G¤¤¡C
(1)
HRP§e¦â¨t²Î¡G
1. ±NUrea-PBST¬~¹LªºÂà¦L½¤¦A¥HPBST¬~¤T¦¸¡A¨C¦¸10 min¡C
2. ¥[¤J¾A¶qªº©ú½¦-NET¡A¤ÏÀ³30 min¡C
3. ¥[¤J¥H©ú½¦-NETµ}ÄÀ¦Ü¾A·í¿¼Æªº¤@¦¸§ÜÅé¡A«Ç·Å¤U¤ÏÀ³1 h¡C
4. ¥HPBST¬~¤T¦¸¡A¨C¦¸10 min¡C
5. ¥[¤J¥H©ú½¦-NETµ}ÄÀ¦Ü¾A·í¿¼Æªº¤G¦¸§ÜÅé (HRP-GAM 2nd-Ab)¡A«Ç·Å¤U¤ÏÀ³1 h¡C
6. ¥HPBST¬~3¦¸¡A¨C¦¸10 min¡C
7. ¥[¤JDAB¡A¥i¦b5~30 min§e¦â¡C Y¤Ñ§N¥i¸m©ó37¢J¯M½c¼W§Ö¤ÏÀ³¡F¦bI´ºÃC¦â©|¥¼Åܲ`«e¡AË¥h§e¦â¾¯¡A¥H»]ÃH¤ô²M¬~¼Æ¦¸¡C
8. §K¬Ì§e¦âµ²ªGªº¦nÃa¡A¨ú¨M©ó¨C¦¸²M¬~¨BÆJ¬O§_§¹¥þ¡B¹ý©³¡F¹L©óÀH«Kªº²M¬~¨BÆJ·|³y¦¨¬V¦âµ²ªG¤£¨}¡C
(2) AP§e¦â¨t²Î¡G
1. °_©l¨BÆJ»PHRP¨t²Î¬Û¦P¡A¬°©Ò¥[¤§¤G¦¸§ÜÅ鬰biotinylated 2nd-Ab (anti-mouse)¡A«Ç·Å¤U¤ÏÀ³1 h¡C
2. ¥HPBST¬~3¦¸¡A¨C¦¸10 min¡C
3. ¥[¤J¹w¥ý²V¦X30 min¤§A+B¸Õ¾¯¡A¤ÏÀ³1 h¡C
a. ¥HPBST¬~2¦¸¡A¨C¦¸10 min¡C
b. ¥HAP½w½Ä²G (1¡Ñ) ¬~2¦¸¡A¨C¦¸10 min¡C
c. ¥[¤J§e¦â¾¯§e¦â¡A¥i¦b5~30
min¤º±o¨ìµµ¶Â¦â¦â±a¡AY¤Ñ§N¥i¸m©ó37¢J¯M½c¼W§Ö¤ÏÀ³¡F¦bI´ºÃC¦â©|¥¼Åܲ`«e¡AË¥h§e¦â¾¯¡A¥H»]ÃH¤ô²M¬~¼Æ¦¸¡C
±N§e¦â§¹¥þªºPVDF½¦½¤¡A®û¤J100%¥Ò¾J1 min¡A¦p¦¹¥iÁקK§e¦â°ò½è¥¼¬~²b¦Ó³y¦¨¬V¦nªºPVDFI´ºÃC¦â¥[²`¡C
Ävª§«¬»Ã¯À§K¬Ì¤ÀªRªk (competitive enzyme immunoassay)¡A§Q¥Î©T©w¶q¤§¤@¦¸§ÜÅé»P¼Ë¥»¤¤¤§§Üìµ²¦X¡A¥¼³Q¼Ë¥»µ²¦X¤§³Ñ¾l¤@¦¸§ÜÅé¡A«h¥i»P©T¬Û¤Wªº§Üìµ²¦X¡A¦A§Q¥Î¤G¦¸§ÜÅé©w¶q«áªÌ¡A±o¥H¤Ï±À¼Ë¥»¤¤ªº§Üì¶q¡C¥»¹êÅç±Ä¥ÎÄvª§«¬¶¡±µ¤ÀªRªk (competitive direct EIA)¡A¥H¤U¬°¥»¹êÅ礧¬yµ{¡C
37¢J«í·Å½c (Memmert)
ELISA¥ú«×p (Dynatech
Laboratories MRX)
ELISA 96¼Ñ·L¶qºw©w½L (Nunc
442404)
¤KºÞ¦Û°Ê§lºÞ (Biohit 250)
Carrier protein¡G
Albumin (2
mg/mL, Sigma A-4503) 20 mg
¥H10 mL¤§PBS·»¸Ñ¡C
§Üì·»²G¡G
Citrinin
(10 mg/mL, Sigma C-1017) 25 mg
¥H2.5 mL¥Ò¾J·»¸Ñ¡C
¾L»Ä¶u¤ÏÀ³²G¡G
Na acetate 0.1 M (Riedel-de Haen)
0.82 g
·»©ó80 mL¤ô¤¤¡A¥HHCl½ÕpH¦Ü4.2¡A¥[¤ô©wÅé¿n¦Ü100 mL¡C
©ú½¦-NET (NaCl-EDTA-Tween)¡G
Gelatin (0.25%,
Merck 4078) 5 g
NaCl (0.15
M, Merck 6404) 17.5 g
EDTA¡P2Na (5
mM, Merck 8418) 3.6 g
Tween 20 (0.05%,
Merck 822184) 1 mL
Tris (50
mM, BDH 103157P) 12.1 g
¥ý¥H¤Ö¶q¤G¦¸¤ô±Ngelatin¥[¼ö·»¸Ñ¡AµM«á¥[¤G¦¸¤ô¤Î¨ä¥L¸Õ¾¯¦Ü1,700 mL¡A½ÕpH¦Ü8.0¡A¦A©w¶q¦Ü2,000 mL¡C
PBS (phosphate buffer saline, 10¡Ñ)¡G
NaCl (0.13
M¡Ñ5, Merck 6404) 75.9 g
NaH2PO4 (0.01
M¡Ñ5, Wako 192-02815) 15.6 g
¥[¤ô800 mL·»¸Ñ«á¡A¥ÎNaOH½Õ¦¨pH 7.0¡A¦A©w¶q¦Ü1,000 mL¡A¦¨¬°10¿ªºPBS¡C¨Ï¥Î«eµ}ÄÀ10¿¡C
PBST (Phosphate buffer saline & Tween-20)¡G
±N10¿ªºPBSµ}ÄÀ¦Ü1¿¡A¨Ã¥[¤J0.05% (v/v) Tween-20¡A§Y¬°PBST¡C
(1) HRP§e¦â¨t²Î¡G
¤G¦¸§ÜÅé
¡G
Peroxidase-conjugated goat IgG fraction to mouse
immunoglobulins (IgG, IgM, IgA) (Cappel 55556)
¨Ï¥Î«e¥HPBSµ}ÄÀ1,000~1,500¿¡C
¡» ì²G¶·Àx¦s©ó4¢J©Î¥[¥Ìªo¦Ü50%©ó -20¢JÀx¦s¡A¨Ï¥Î«e·sÂA°t»s¡C
A + B¸Õ¾¯¡G
A reagent (Vectastain,
avidin)
B reagent (Vectastain,
biotinylated peroxidase)
¥H©ú½¦-NETµ}ÄÀ100¿¨Ã²V¦X§¡¤Ã¡A«Ç·Å¤U¤ÏÀ³30 min«á¨Ï¥Î¡C
OPD°ò½è²G¡G
o-Phenylenediamine (Sigma
P-1526) 40
mg
H2O2 (Merck
7210, 30%) 10
mL
¥HPBS (1x) ·»¸Ñ«á¡A©w¶q¦Ü100 mL¡C
¡» ¨Ï¥Î«e·sÂA°t»s¡B¥H²`¦â²~Á×¥ú¤U«O¦s¡A¹j©]¤£¥i¦A¨Ï¥Î¡C
¡» OPD¯»¥½¨Æ¥ý¤À¸Ë¦¨¤p²~¡A¥H§K¦]¤ÏÂЦBá¡B¸Ñá¦ÓÅܽè¡C¥t¥~OPD¥i¯à¬°PÀùª«½è¡Aª`·N¤Å§l¤J¹Ð®J©Îª½±µ±µÄ²¡C
(2) AP§e¦â¨t²Î¡G
¤G¦¸§ÜÅé
¡G
Peroxidase-conjugated goat IgG fraction to mouse
immunoglobulins (IgG, IgM, IgA) (Cappel 55556)
¨Ï¥Î«e¥HPBSµ}ÄÀ 1,000~1,500¿¡C
¡» ì²G¶·Àx¦s©ó4¢J©Î¥[¥Ìªo¦Ü50%©ó -20¢JÀx¦s¡A¨Ï¥Î«e·sÂA°t»s¡C
AP½w½Ä²G (Alkaline phosphatase buffer)¡G
MgCl2 (0.5
mM ¡Ñ 1, Sigma M-8266) 47.6 mg
±NMgCl2¥[¤J800 mL¤§PBS (2¡Ñ) ¤¤¡A¥HNaOH½ÕpH¦Ü9.5¡A¦A©w¶q¦Ü1 L¡C
A + B¸Õ¾¯¡G
A reagent (Vectastain,
avidin)
B reagent (Vectastain,
biotinylated alkaline phosphatase)
¥HPBSµ}ÄÀ100¿¨Ã²V¦X§¡¤Ã¡A«Ç·Å¤U¤ÏÀ³30 min«á¨Ï¥Î¡C
pNPP§e¦â²G¡G
p-Nitrophenyl
phosphate (Pierce,
34045) 0.01
g
·»©ó10 mL AP½w½Ä²G¡A«Ý¨ä·»¸Ñ¡A¥[¤J10 mL diethanolamine¡C
1. Carrier protein§lªþ¤ÏÀ³ (Coating)¡G ¨úBSA¥HPBS
(1¡Ñ) µ}ÄÀ¿@«×¦Ü2 mg/mL¡A¦bELISA½L¤¤¨C¼Ñ¥[¤J0.1 mL¡A¥H³z©ú½¦¥¬±N¾ãÓºw©w½L»\¤W¡A¨¾¤î·»²G»]µo¡C©ó37¢J¤U¤ÏÀ³2 h¡A©Î¥iª½±µ4¢J¹L©]¡C
2. §Üì»Pcarrier
proteinÁäµ² (Conjugation)¡G§lªþ¤ÏÀ³«á§l¥hcarrier
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3. ¶ñ¶ë (Blocking)¡GÁäµ²¤ÏÀ³«á§l¥h§Üì¤ÏÀ³²G¡APBST¬~¤T¦¸¡C¨C¼Ñ¥[¤JNET ²G0.2 mL¡A½¦±a«Ê¤f«á¡A¸m«Ç·Å¤ÏÀ³1~2 h«á¬~¥h¡A¦A¥HPBST¬~¹L¤T¦¸¡C¥i¸m©ó4¢J³Æ¥Î¡C
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