Does I-Block = casein?

U12201 at U12201 at
Wed Apr 5 17:05:37 EST 1995

Many blocking reagents have additional "proprietary" components
added to them. Some are totally different compounds. Pierce
Chemical has a nice little "sampler" pack of many different
blocking reagents. Casein is sometimes a problem because it may
contain biotin (from the milk).

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