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ÎÄÕÂÖÐÓÐÒ»¾ä»°£º leucine dehydrogenase (45.2 units/mg) is diluted to 400 units/ml in 25mM sodium phosphate buffer, PH 7.2.
Õâ¸öÊÇ˵ÎÒÒª°Ñ leucine dehydrogenase £¨Å¨¶ÈΪ 5.2 units/mg£©Í¨¹ý¼ÓÈë25mMµÄÁ×ËáÄÆÏ¡Ê͵½Å¨¶ÈΪ400 units/ml¡£ Õâ¸öÁ×Ëáįō¶ÈÊÇ25mmol/L£¬ Ó¦¸ÃÊÇÕâÑù£¬ÎÒ²»È·¶¨Õâ¸öÊÇ·ñÐèÒª×Ô¼º×ö£¬»¹ÊÇÓÐÏֳɵ쬲»¹ýÁ×ËáÄÆÕâ¸öÎÒÖ»ÖªµÀŨ¶ÈÒªÇ󣬶àÉٿ˵ÄÁ×ËáÄÆ¼Ó¶àÉÙMLË®£¬ÕâЩ¶¼²»ÖªµÀ°¡£¬Ó¦¸ÃÔõôϡÊÍÄØ£¿ ÁíÍâ Ï¡Ê͵½400 units/ml Õâ¸öÓ¦¸ÃÔõô×ö£¬¾ßÌåÊÇÔõôÑù¼ÆËãµÄ£¬ leucine dehydrogenaseµÄµ¥Î»ÊÇ units/mg£¬Á×ËáÄÆÈÜÒºµÄ»°ÊÇmmol/L£¬Á½¸öµ¥Î»Ö®¼ä¶¼²»Ò»ÑùµÄ»°£¬Õâ¸öŨ¶ÈÔõôת»»¡£Ï£ÍûÓдóÉñ¸ø½²½âһϣ¬ÒòΪ֮ǰÊÇÑ§ÓªÑø¿ÆÑ§µÄ£¬´ÓÀ´Ã»½Ó´¥¹ý»¯Ñ§ÊÔ¼ÁÖÆ×÷£¬Í»È»Ò»À´ Óеã»ÅÕÅ¡£¡£Ð»Ð»¸÷λÁË¡£¡£¡£
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ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

8128sherry

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ÒýÓûØÌû:
3Â¥: Originally posted by ·´Ó¦Á´ at 2016-01-12 12:06:46
You can buy the commercial reagent directly. (Links: http://www.cnreagent.com/s/v.php?i=425287&v=9541004665e2f7058416ba04)

Or you can prepare 1M stock solution (pH7.2) following the protocol b ...

ÎÒ»¹ÓиöÀ§»ó£¬¾ÍÊÇÄǸöÎĵµÀïÃæ ÏÔʾµÄÊÇNa2HPO4ºÍNaH2PO4£¬µ«ÊÇSodium Phosphate ²»Ó¦¸ÃÊÇNa3PO4ô£¿ ΪʲôÓõÄÊÔ¼ÁÊÇÕâÁ½¸öÄØ£¿
5Â¥2016-01-13 06:44:50
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²é¿´È«²¿ 7 ¸ö»Ø´ð

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You can buy the commercial reagent directly. (Links: http://www.cnreagent.com/s/v.php ... 4665e2f7058416ba04)

Or you can prepare 1M stock solution (pH7.2) following the protocol below.

For example, for preparation of 500mL 25mM sodium phosphate buffer, you need 12.5mL (500mL*25mM/1000mM) 1M sodium phosphate stock solution, then add ddH2O up to 500mL.

When leucine dehydrogenase (45.2 units/mg) is diluted to 400 units/ml in 25mM sodium phosphate buffer, you need to weight 8.85g leucine dehydrogenase dissolved into 1 mL 25mM sodium phosphate buffer (400 units/ml / 45.2 units/mg=8.85g/mL).

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

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  • ¸½¼þ 1 : Preparation_of_Sodium_Phosphate_Buffers.pdf
  • 2016-01-12 12:06:46, 75.59 K
3Â¥2016-01-12 12:06:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

8128sherry

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
3Â¥: Originally posted by ·´Ó¦Á´ at 2016-01-12 12:06:46
You can buy the commercial reagent directly. (Links: http://www.cnreagent.com/s/v.php?i=425287&v=9541004665e2f7058416ba04)

Or you can prepare 1M stock solution (pH7.2) following the protocol b ...

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4Â¥2016-01-13 00:29:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

·´Ó¦Á´

гæ (ÕýʽдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by 8128sherry at 2016-01-13 00:29:21
ллÕâ¸öPDFÎĵµ£¬ºÜÓÐÓã¬ÎÒÏëÎÊÏ£¬Õâ¸öÎĵµÓ¦¸ÃÈ¥ÄĶùÕÒ£¬ÒòΪÎÒ»¹ÐèÒªÅä±ðµÄÈÜÒº£¬ÓÐÁËÕâ¸ö»á·½±ãºÃ¶à¡£...

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