ChemiDoc XRS+ System

ChemiDoc XRS+ System

The ChemiDoc XRS+ Gel Imaging System is a fast detection system for chemiluminescence, fluorescence, and colorimetric imaging. Controlled by Image Lab Image Capture and Analysis Software.

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Overview

Stain Free Enabled

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The ChemiDoc XRS+ System is based on CCD high-resolution, high-sensitivity detection technology and modular options to accommodate a wide range of samples and support multiple detection methods including fluorescence, colorimetry, densitometry, chemiluminescence, and chemifluorescence. The system is controlled by Image Lab software to optimize imager performance for fast, integrated, and automated image capture and analysis of various samples.

The system accommodates a wide array of samples, from large handcast polyacrylamide gels to small ReadyAgarose Gels and various blots. The system is an ideal accompaniment to PCR, purification, and electrophoresis systems, enabling image analysis and documentation of restriction digests, amplified nucleic acids, genetic fingerprinting, RFLPs, and protein purification and characterization.

Key benefits include:

  • Gel and blot imaging and analysis are quick and accurate
  • Automated, hands-off routines; no training is required
  • Save and recall all the steps in the workflow for repeatable and reproducible results
  • Optimize the system at setup for image data that is always accurate, reproducible, and free of imaging artifacts
  • Wide range of applications with special accessories to preserve sample integrity for downstream research while ensuring user safety
  • Comprehensive, automated quantitative analysis of protein and DNA samples in seconds
  • Customize and organize data in reports
  • Obtain publication-quality results quickly

The ChemiDoc XRS+ System optimizes reproducibility and reliability of experimental data, enabling quantitative comparisons between different experiments. Using proprietary algorithms, this imaging system is calibrated at setup to ensure:

  • Images are in focus at all times, regardless of zoom level or sample position
  • Appropriate flat fielding correction is automatically and consistently applied to image data for every application
  • Imaging artifacts are automatically corrected

The ChemiDoc XRS+ System offers fast and sensitive chemiluminescence detection in addition to gel and blot documentation of fluorescent and colorimetric samples. The system includes a supersensitive 16-bit CCD camera that is supercooled for detection of faint samples. The ChemiDoc XRS+ system can be used for imaging with a wide variety of applications that require high resolution and sensitivity (such as chemiluminescent western blots).

The ChemiDoc XRS+ System eliminates the need to use costly and unreliable X-ray film technologies while providing quantitative and reproducable data in seconds. The system features a signal accumulation mode (SAM), which guides a user through determining optimum exposure time and capturing a desired image of a chemiluminescent sample.

Specifications

Applications
 
Chemiluminescence
Yes
Fluorescence*
Yes
Colorimetry/densitometry
Yes
Gel documentation
Yes
Hardware Specifications
 
Maximum sample size
up to 28 x 36 cm
Maximum image area
up to 26 x 35 cm
Maximum image area
(For standard UV-excited gels) 25 x 26 cm
Excitation source
Epi-white light and trans-UV (302 nm) are standard (optional 365 nm lamp available); optional trans-white conversion screen and XcitaBlue™ UV/blue conversion screen available
Illumination control
5 modes (trans-UV, epi-white, and no illumination for chemiluminescence are standard); trans white and XcitaBlue conversion screens are optional
Detector
Supercooled CCD
Pixel size (H x V) 
6.45 x 6.45 µm
Cooling system
Peltier
Camera cooling temperature
-30°C controlled
Filter selector
3 positions (2 for filters, 1 without filter, for chemiluminescence)
Emission filters
1 included (standard), 3 optional
Dynamic range
>4.0 orders of magnitude
Pixel density (gray levels)
65,535
Dynamic flat fielding
Application specific, for all applications
Instrument size (L x W x H)
36 x 60 x 96 cm
Instrument weight
32 kg
Operating Ranges
 
Operating voltage
110/115/230 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
Autoexposure
2 user-defined modes (intense or faint bands)
*Use the optional XcitaBlue kit if performing SYBR® Safe DNA applications, because the UV to blue conversion screen allows you to visualize DNA samples while protecting against UV damage.

**U. S. patent 5,951,838.
 

Accessories

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1708299
Upgrade package for ChemiDoc XRS+ System includes focus calibration target, flat fielding disk, installation guide, and user manual
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1708026
Pkg of 1, calibration target for Gel Doc™ XR+, ChemiDoc™ XRS+, and ChemiDoc MP imaging systems with Image Lab™ software
1708279
Pkg of 1, UV safety shield to protect users from UV light exposure during band excision; for use with all ChemiDoc and GelDoc Imaging Systems from the universal hood series
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1708289
Pkg of 1, conversion screen for viewing Coomassie, silver stain, and other colorimetric gel stains; for use with non touch–screen ChemiDoc™ MP, ChemiDoc™ XRS+, and Gel Doc™ XR+ Systems
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1708182

Pkg of 1, conversion screen for viewing SYBR® Green, SYBR® Safe, GFP, and Flamingo™ Fluorescent Gel Stains, includes viewing goggles; for use with ChemiDoc™ XRS+, non touch–screen ChemiDoc MP, and Gel Doc™ XR+ Systems

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1708184
Pkg of 3 gel templates, for use with ChemiDoc™ XRS+, ChemiDoc MP, and Gel Doc™ XR+ Systems, includes template holder
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1708185

Pkg of 1, goggles for use with SYBR Safe dyes and Blue Trays for use with ChemiDoc and GelDoc Imaging Systems

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