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Electron Microscopy Sciences

Technical Data Sheets

Autoradiography Ruler Set

EMS #68550-04

Introduction

The Audioradiography Ruler Set (ARS) is an orientation and measurement device that exposes metric ruler marking directly onto x-ray film. Due to a specially formulated phosphorescent dye compound and a unique emission filter, the set is an ideal non-radioactive substitute for radioactive ink markings.

The ARS is a set of rulers made on thin strips of coated plastic with an repositionable adhesive backing. Under normal lighting, the metric units are visible as green markings with a black background, which produces a high resolution image, unaffected by intensifying screens or preflashed film.

Features

  • Instantly orient the autoradiogram with gel or blot to make easy electrophoretic mobility calculations
  • Ruler strips are visible under normal lighting and have an adhesive backing, making for easy positioning
  • Many reuses possible since the phosphorescent emission of each ruler can be regenerated indefinitely
  • High resolution of markings for photographs
  • Compatible with preflashed film and intensifying screens

The ARS improves presentation of autoradiographic data from Northerns and Southerns, as well as one and two dimensional gels.

The photo above shows the results of autoradiography with a radioactive 2-D gel and phosphorescent rulers.

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Autoradiography Ruler Set