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Old 04-08-2019, 09:27 AM   #1
cement_head
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Default AMPureXP beads > 18 months old?

Has anyone used AMPureXP beads older than 18 months, (assuming that they were stored properly)?
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Old 04-09-2019, 12:05 AM   #2
GSviral
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Hi there,

Off the top of my head I think I am using a bottle, stored at +4, that is currently sitting older than 18 months and they have performed perfectly in all my recent preps so I'd say you're good to go!
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Old 04-09-2019, 03:16 AM   #3
KB*
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I used AmpPure beads ~ + 4 month. They have worked. I have checked mine first with a not important sample. You can test yours with a DNA ladder. I think it is in general a good idea.
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Old 04-09-2019, 03:59 AM   #4
cement_head
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Quote:
Originally Posted by GSviral View Post
Hi there,

Off the top of my head I think I am using a bottle, stored at +4, that is currently sitting older than 18 months and they have performed perfectly in all my recent preps so I'd say you're good to go!
Okay, cool...
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Old 05-28-2019, 01:45 AM   #5
JBKri
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I have sometimes used Ampure beads that were 1-3 years past expiration date. They sort of work, but they seem to become less magnetic and and are therefore more difficult to work with.
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