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Electrowetting, or digital microfluidics, uses electrical fields to directly manipulate discrete droplets on the surface of a hydrophobically coated printed circuit board (PCB). Sample and reagents are moved in a programmable fashion in the ePlex cartridge to complete all portions of the sample processing from nucleic acid extraction to detection.

A sample is loaded into the ePlex cartridge and the cartridge is placed into the ePlex Instrument. Nucleic acids are extracted and purified from the specimen via magnetic solid phase extraction. PCR is used to create double-stranded DNA, which is treated with exonuclease to create single-stranded DNA in preparation for eSensor detection.

The target DNA is mixed with ferrocene-labeled signal probes that are complementary to the specific targets on the panel. Target DNA hybridizes to its complementary signal probe and capture probes, which are bound to gold-plated electrodes, as shown below in Figure 1. The presence of each target is determined by voltammetry which generates specific electrical signals from the ferrocene-labeled signal probe.Figure 1: Hybridization complex. Target-specific capture probes are bound to the gold electrodes in the eSensor microarray on the ePlex cartridge. The amplified target DNA hybridizes to the capture probe and to a complementary ferrocene-labeled signal probe. Electrochemical analysis determines the presence or absence of targets using voltammetry.
 ", "Language": "en", "Country": "XG", "Code": "Principle" }, { "Name": "Product Description", "Value": "The ePlex system is used to run multiplex microarray-based assays developed by GenMark. This type of assay is based on the principles of competitive nucleic acid hybridization using a sandwich assay format, wherein a single-stranded target binds concurrently to a sequence-specific solution-phase signal probe and a solid-phase electrode-bound capture probe. The test employs nucleic acid extraction, target amplification via polymerase chain reaction (PCR) or reverse transcription PCR (RT-PCR) and hybridization of target DNA. In the process, the double-stranded PCR amplicons are digested with exonuclease to generate single-stranded DNA suitable for hybridization.", "Language": "en", "Country": "XG", "Code": "Product Description" }, { "Name": "Background Information", "Value": "System configurations

1-Tower System
  • 1 Base (#09556621001)
  • 1 Tower, 6-bay front tower fascia, 6 bays (#09782702001)
  • 1 short tower bolts (#09792074001, 3 pieces)
  • 1 Barcode scanner, Magnetic mount (#09792104001)

2-Tower System
  • 1 Base (#09556621001)
  • 2 Tower, 6-bay front tower fascia, 6 bays (#09782702001)
  • 2 short tower bolts (#09792074001, 3 pieces) *
  • 1 long tower bolts (#09792066001, 3 pieces) *
  • 1 Barcode scanner, Magnetic mount (#09792104001)

Note: Must order EITHER qty=2 short bolts OR qty=1 long bolts. The standard configuration is qty=2 short bolts. It is not necessary to order both.

3-Tower System
  • 1 Base (#09556621001)
  • 3 Tower, 6-bay front tower fascia, 6 bays (#09782702001)
  • 1 short tower bolts (#09792074001, 3 pieces)
  • 1 long tower bolts (#09792066001, 3 pieces)
  • 1 Barcode scanner, Magnetic mount (#09792104001)

4-Tower System
  • 1 Base (#09556621001)
  • 4 Tower, 6-bay front tower fascia, 6 bays (#09782702001)
  • 2 long tower bolts (#09792066001, 3 pieces)
  • 1 Barcode scanner, Magnetic mount (#09792104001)
", "Language": "en", "Country": "XG", "Code": "Background Information" } ] } } ] }

ePlex® system

Bringing the power of GenMark ePlex® System syndromic panels together with Roche

IVD For in vitro diagnostic use.
GenMark ePlex System
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True sample-to-answer workflow
  • Bi-directional LIS to automate and accelerate order entry and results reporting
  • Random and continuous access and a modular, scalable design to
    ensure capacity that meets peak season demand
  • Less than 1 minute hands-on time 
  • Remote alerts to notify you when test results are available
  • Intuitive user interface with guided workflows to enable operation on every shift
  • Remote service capability to minimize system downtime and ensure patients and physicians have access to rapid test results


Order-to-report is what matters most:


The ePlex® System is designed for order-to-report with a lean workflow by eliminating manual steps and staging of samples that often delay and complicate efficient test processing and results reporting.

Order to Report
Designed for patient icon

Designed for the patient, optimized for the lab

While many systems claim sample-to-answer capabilities, only the ePlex® System integrates the entire process from order-to-report to better realize the patient and laboratory benefits of rapid, multiplex molecular diagnostics. 

The ePlex® System offers many unique solutions that were thoughtfully engineered to address the biggest challenges facing you in the clinical laboratory and to support hospital systems in delivering patient centered, value-based care.

Reduce medical errors icon

Designed for the patient: reduce avoidable medical errors

Preventable medical errors are now the third leading cause of death in the United States at more than 250,000 per year.1 Automating information transfer has been shown to be effective in reducing many common errors, including patient identity checking and order transcription.2

The ePlex® System is uniquely designed with patient safety features in mind so that labs and physicians can have the confidence that they have the right patient, with the right test, and the right result, every time.

  • Reduce the chance of pre-analytical errors with < than 1 minute hands-on time and guided workflows

  • Transcription errors can be eliminated in both order entry and result reporting with bi-directional LIS

Maximize lab effciency icon

Optimized for the lab: maximize lab efficiency by reducing administrative overhead

Monitoring and reporting quality control testing is both a requirement and a best practice to ensure accuracy of patient results and compliance with lab standards. With on-board QC tracking capabilities and safeguards, you can not only run controls when required, you can also easily track and report compliance.

In addition to automated QC tracking, the ePlex® System provides the following compliance and data management tools:

  • Integrated data analytics to easily monitor lab performance
  • On-demand epidemiology reports for export and simplified analysis
  • Fully configurable, auto-release of test results

All of these unique capabilities of the ePlex® System allow you to reduce the time spent on routine administrative tasks and focus your limited resources on high-value activities that impact patient care and the bottom line.

A modular and scalable system


ePlex® System NP

  • 3 test bays
  • Throughput (24 hours): 36 patient samples per day*
  • Physical dimensions (H x D x W): 23.5" x 19.0" x 21.3", 
    59cm x 48cm x 54cm

ePlex® System 1 Tower

  • 6 test bays
  • Throughput (24 hours): 72 patient samples per day*
  • Physical dimensions (H x D x W): 23.5" x 19.0" x 21.3",
    59cm x 48cm x 54cm

ePlex® System 2 Tower

  • 12 test bays
  • Throughput (24 hours): 144 patient samples per day*
  • Physical dimensions (H x D x W): 23.5" x 19.0" x 28.5",
    59cm x 48cm x 72cm

ePlex® System 3 Tower

  • 18 test bays
  • Throughput (24 hours): 216 patient samples per day*
  • Physical dimensions (H x D x W): 23.5" x 19.0" x 35.8",
    59cm x 48cm x 91cm

ePlex® System 4 Tower

  • 24 test bays
  • Throughput (24 hours): 288 patient samples per day*
  • Physical dimensions (H x D x W): 23.5" x 19.0" x 43.0",
    59cm x 48cm x 109cm

*Based on 24 hour day

The ePlex® System is an automated in vitro diagnostic device designed to perform multiplexed nucleic acid tests for the simultaneous detection and identification of nucleic acid targets by processing single-use cartridges.


Access package inserts through your country’s Roche Diagnostics local website.


  1. Martin A Makary, Michael Daniel. Medical error—the third leading cause of death in the US. BMJ, 2016; i2139 DOI: 10.1136/bmj.i2139
  2. The National Academics of Sciences Engineering Medicine. https://www.nap.edu/read/9728/chapter/4#39. Accessed April 20, 2017



Ordering Information


  • Weight 1-Tower System

    49kg (108 lbs)

  • Dimensions 1-Tower System

    59 cm x 48 cm x 54 cm (23.5” x 19.0” x 21.3”)

  • LIS compatibility

    ASTM LIS 1-A & LIS 2-A2 (Bi-directional) HL7 v2.3 (Bi-directional) flat file (.csv, .xml and .txt)

  • Supported barcodes

    Aztec, Codabar, Code 39, Code 93, Code 128, Data Matrix, EAN, Interleaved 2 of 5, JAN, MaxiCode, UPC

  • Power requirements

    100-240 Vac, 50/60 Hz, 265W

  • Environmental conditions

    Ambient temperature: 15 – 30°C relative humidity: 15 – 85% (non-condensing)

  • Noise generation

    ≤ 60dBA

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