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hxw2009

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Colowick,  Kaplan,  and  Ciotti  (4)  observed  that  the  rate  of
hydrolysis  of  the  nicotinamide-ribose  linkage  of  NAD  at  100¡±
increases  with  increasing  pH  above  pH  6.0.  The  rates  of  hy-
drolysis  obtained  in  various  buffers  at  pH  7.5  were  found  to  de-
pend  on  the  type  of  buffer  used.  Tris  and  acetate  buffers  did
not  increase  the  rate  of  hydrolysis  above  that  observed  with  un-
buffered  NAD  at  this  pH,  whereas  phosphate  and  citrate  buffers
enhanced  it  3-  to  4-fold.  It  was  noted  (1)  that  Tris  could  almost
completely  abolish  this  stimulatory  effect  of  phosphate  and
citrate  buffers.

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8Â¥2014-05-15 17:25:45
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3Â¥: Originally posted by ksney at 2013-03-05 14:42:31
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ÒýÓûØÌû:
3Â¥: Originally posted by ksney at 2013-03-05 14:42:31
NADÎÒÊÇÓÃË®ÅäµÄ£¬Ã»ÓÐNADH TRIS buffer pH ~8ÎÒ¿ÉÒÔÓÃË®ÅäNADH ºÍNADPHÂð...

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ÒýÓûØÌû:
2Â¥: Originally posted by abc5710110 at 2013-03-05 12:49:25
NADH TRIS buffer pH ~8,Äܱ£´æÒ»¸öÔÂÒÔÉÏ
NADPH Ó¦¸Ã¸úNADH ²î²»¶à
NADP ÐÔÖÊÓ¦¸Ã¸úNAD+²î²»¶à£¬Ë®Èܼ´¿É£¬ÈõËáÐÔ»·¾³ÄÜÎȶ¨±£´æÒ»¸öÔÂÒÔÉÏ¡£
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3Â¥2013-03-05 14:42:31
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5Â¥2013-03-31 09:48:19
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ksney

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Ëͺ컨һ¶ä
ÒýÓûØÌû:
8Â¥: Originally posted by hxw2009 at 2014-05-15 17:25:45
Colowick,  Kaplan,  and  Ciotti  (4)  observed  that  the  rate  of
hydrolysis  of  the  nicotinamide-ribose  linkage  of  NAD  at  100¡±
increases  with  increasing  pH  above  pH  6.0.  The  ra ...

9Â¥2014-05-24 09:34:10
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