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The Applied Biosystems® 7500 Fast Dx Real-Time PCR instrument with the SDS Software is a real-time nucleic acid amplification and five color fluorescence detection system for use with FDA cleared or approved tests on human-derived specimens. The 7500 Fast Dx Real-Time PCR instrument and SDS Software are intended for use in combination with in vitro diagnostic tests labeled for use on this instrument. The 7500 Fast Dx instrument is intended for use by laboratory professionals trained in laboratory techniques, procedures, and on use of the system.

The Applied Biosystems® 7500 Fast Dx Real-Time PCR instrument integrates a thermal cycler, a fluorimeter and application specific software. The instrument houses the thermal cycler and the fluorimeter, while the application software is run on a PC that is attached to the instrument. Samples are placed in a tube strip or 96-well low-head space plate that is moved to a Peltier-based thermal block and positioned relative to the optics using a tray loading mechanism. Excitation for all samples is provided by a halogen tungsten white source that passes through 5 switchable excitation filters prior to reaching the sample. Fluorescence emission is then detected through 5 color emissions filter wheel to a charge coupled device (CCD) camera. The instrument is designed to complete quantitative RT-PCR runs in about 40 minutes. The Sequence Detection Software (SDS) is used for instrument control, data collection and data analysis. The software provides a wizard for user-friendly set-up. The software measures cycleby-cycle real-time signals from the sample and provides a variety of tools to help the user analyze the data extracted from the samples. In addition, the software provides lamp-life monitoring and other instrument maintenance information. The software runs as an application on the Windows 7 platform.