Bel-Art Scienceware* Wet Surface Pen

Versatile space pen writes clearly on wet, greasy and other hard to mark surfaces. Use it under water, upside down, and in the harshest of temperatures. Excellent for marking slots on Southern, Northern, and Western blots or for marking alignment dots on blotting filters placed over agar plates containing bacterial colonies or phage plaques. Mark lanes on wet blots prior to cutting the filter into strips to be incubated separately with different antisera or probes. Correct or write on wet labels that were kept in a water bath, in liquid nitrogen or in a freezer at -20°C (-4°F). Extremely useful for marking filters during processing underwater-based buffers. Handy and reliable for writing on vertical surfaces such as the Economy Write-on™ Label Tape Dispenser (Cat. No. 144-24259). Writes on dry paper as a standard ballpoint pen.
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