There's a possibility that your gel will warp if it heats up significantly during transfer, which can distort your protein bands. It really depends on how hot your transfer buffer gets. I usually transfer at about 300 mA for 90 minutes, and I never use an ice block because it never gets that hot in the chamber.
Back when we ran transfers at 1 A, I always ran those transfers in the cold room with an ice block though. Your markers coming out fine suggests to me that your gel didn't heat up excessively.
moland
Member Since 30 Nov 2012Offline Last Active Dec 01 2012 04:57 PM





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