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Bio-Rad Laboratories, Inc. xMark

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xMark

With its unique imaging capabilities, monochromator design, and spectral scanning feature (which eliminates the need for filters), the xMark microplate absorbance spectrophotometer can find the best wavelength within a broad range for any photometric application. The xMark spectrophotometer is also flexible enough to read all standard microplates, from 6- to 1,536-well formats. Using Microplate Manager software, the xMark spectrophotometer can perform a wide range of end-point and kinetic applications with spectral scanning within low UV to infrared wavelengths. Extensive data analysis includes comprehensive curve-fit models and automated data export in single-plate or batch formats.
xMark
Attributes
Bandwidth Optical: 5 nm
Detection Mode Absorbance
Scanning Speed 8 sec/96-well/single wavelength; 15 sec/384-well/single wavelength; 35 sec/1,536-well/single wavelength
Wavelength Range 200 to 1000 nm
Microplate Size 1536-well
Shaking Yes
Software External
Temperature Control Yes
Depth 17.3 in
Height 8.6 in
Width 21.4 in
Weight 61 lbs
Additional Specifications Optical  
Wavelength Accuracy (minimum): ±2.0nm  
Wavelength Repeatability: ±2.0 nm  
Photometric methods: single and dual wavelengths  
Monochromator step size: 1 nm  
Imaging Resolution: 0.5,0.75,1.0 mm  
  
Performance  
Indication range: 0-4.0 OD  
Resolution: 0.001 OD  
Linearity: <2.0%, 0-3.0 OD at 405 nm  
Reproducibility: 96-well plates, <1.0% or 0.005, 0-3.0 OD at 405 nm  
Stability and drift: <0.010 at OD = 1 at 490 nm

Features

      
  • Unique monochromator design with wide spectral range of 200–1,000 nm and 1 nm step size   
  • Capability to scan standard 6- to 1,536-well microplates and custom plates  
  • Unique well and plate imaging   
  • Built-in incubator* with continuous temperature display using Microplate Manager® software  
  • Built-in shaker* with variable mixing speed and linear or orbital mixing mode  
  • Single and dual wavelength detection  
  • Motorized tray for plate loading and retrieval   
  • Fast plate reading — 9 sec at single wavelength detection for a 96-well plate  
  • Microplate Manager software controlled (PC or Mac) via USB2 port  
  • Reports with Checkmark™ reader performance validation kit  
  
* Incubator and shaker can be used independently from other instrument functions.  
  
Benefits  
      
  • Detection, analysis, and quantitation of substances with absorbance spectra in the UV range (DNA) to the infrared range (water)  
  • High throughput with sample volumes below 5 µl  
  • No restrictions on sample type, volume, or throughput  
  • Wide range of applications, from determiningHLA antigens serologically to testing wine quality  
  • Intensity maps for analysis of absorbance variations in a single well or entire plate  
  • Enhanced detection sensitivity  
  • Thermal regulation of assay reactions  
  • Improved sensitivity and activity of assays  
  • Incubation of plates prior to detection   
  • Accurate absorbance readout for entire well volume   
  • Minimum variability of assays for different sample types and liquid- or solid-state reactions   
  • Assay preparation and repeated mixing   
  • Detection of reaction products with high specificity while eliminating background and noise  
  • Minimized environmental exposure  
  • Precision in kinetic assays and rapidly developing colorimetric reactions   
  • Protocol customization and data reduction options  
  • Comprehensive data analysis  
  • Accommodation of various validation protocols, including installation qualification and operational qualification (IQ/OQ)  

Photos

xMark™ Microplate Absorbance Spectrophotometer

xMark™ Microplate Absorbance Spectrophotometer

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I need to aquire the software for the xMark

xMark DNA OD

This should be something that is really simple to do, but I am having issues with getting a simple OD 260 reading of DNA.  I have control bovine DNA at 1 ug/ul and when I try to use the xMARK to give me a reading of this, its no better than the...

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