Biorad Gel Doc EZ - 2-min
Biorad Gel Doc EZ - 3-min

Bio-Rad Gel Doc EZ Imaging System

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  • Gel Doc EZ Imaging System
  • Stain-Free Tray
  • White Tray
  • Computer Loaded w/ Image Lab Software
  • Monitor, Keyboard, Mouse


  • Chemiluminescence: No
  • Fluorescence: Yes (stain-free imaging* and UV-excitable dyes) (requires Bio-Rad stain-free gels)
  • Colorimetry/densitometry: Yes
  • Gel documentation: Yes (Flamingo, Oriole, SYPRO Ruby, Coomassie, Fluorescent Orange, or Krypton Stains; ethidium bromide, GelGreen, Gel Red, SYBR Safe, SYBR green, or SYBR Gold dyes; Bio-Rad stain-free gels)

Hardware Specifications:

  • Maximum sample size: 11.2 x 15 cm (4.4 x 6 in)
  • Maximum image area: 11.2 x 15 cm (4.4 x 6 in)
  • Excitation source: Trans UVB (302 nm)
  • Illumination control:
    • 2 modes: Trans-UV, Trans-White
    • UV tray: 280-400 max 300 nm
    • Blue tray: 430-460, max 440 nm
    • White tray: visible spectra
    • Stain-free tray: requires Bio-Rad stain-free gels
  • Detector: CCD
  • Image resolution: 1392 x 1040 pixels (1.4megapixels)
  • Emission filters: Tray-based
  • Dynamic range: >3.0 orders of magnitude
  • Pixel density (gray levels): 4,096
  • Dynamic flat fielding: Yes
  • Instrument size (L x W x H): 43 x 28 x 38 cm (17 x 11 x 15 in)
  • Instrument weight: 7.3 kg (16 lb)

Operating Ranges:  

  • Operating voltage: 110/115/230/240 V AC nominal
  • Operating temperature: 10–28°C (21°C recommended)
  • Operating humidity: <70% noncondensing

Automation Capabilities:  

  • Workflow automated selection: Application-driven; user-selected or recalled by a protocol
  • Workflow automated execution: Controlled by a protocol via application-specific setup for image area, illumination source, filter, analysis, and reporting
  • Workflow reproducibility: 100% repeatability via recallable protocols, from image capture to quantitative analysis and reports
  • Autofocus (patent pending): Precalibrated focus for any zoom setting or sample height
  • Image flat fielding: Dynamic; precalibrated and optimized per application
  • Auto-exposure: 2 user-defined modes (intense or faint bands)

The Biorad Gel Doc EZ is a compact and automated imaging system for obtaining publication-quality images and analyzed results with just a push of a button.

The system provides unparalleled flexibility with the use of four application-specific trays, which include a UV tray (for ethidium bromide staining of DNA gels and fluorescence imaging), a white tray (for Coomassie, copper, silver, and zinc stains), a blue tray (for nucleic acid applications that use SYBR® stains), and a stain-free tray for stain-free imaging.

The intuitive Image Lab software has capabilities such as auto image capture, auto analysis, user preferences, and myriad other features, making imaging and analysis incredibly easy.

Features of the Gel Doc EZ System:

  • Easy to use: educators not familiar with the imager can use the system easily because there is no need for manual control of filters, lens, or lights. Create a default protocol once, then use the green button on the front of the instrument to reproducibly use these settings time and again
  • Publication: quality images and completely analyzed results — get clean and smooth publication-ready images with decreased pixelation when images are cropped or zoomed. Get analyzed results, including relative molecular weights, quantitation of bands, Excel reports, PDFs, and more, within a matter of minutes
  • Time and space saving: obtain results faster without spending time on various steps in image acquisition and save valuable benchspace using this compact system
  • Modular design and flexible options: use specific trays for specific applications. Clearly defined and color-coded trays eliminate confusion. Purchase only what you want and upgrade when your needs change
  • Stain-free technology: condense your 2-hr Coomassie protocol into a 5-min stain-and-image step with this stain-free imaging system. Stain-free gels are western blot compatible, allowing you to check electrophoresis results and quality prior to western blotting. These “green” gels provide equal or better sensitivity compared to Coomassie staining and eliminate organic waste disposal concerns

Additional information




Equipment Condition



Gel Documentation



Gel Doc EZ