Small Tip, Big Information

Test-on-a-Probe (TOP) is a probe that dips into samples, reagents, and buffers to perform tests for diagnostics,  research and development. Various detection techniques, such as fluorescent, chemiluminescent, and label-free can be used to analyze and characterize biologically relevant molecules. TOP is protected by a strong IP portfolio including more than 50 granted patents internationally.


  • Simple

    Dip and test

  • Versatile

    Wide range of applications

  • Powerful

    Multiple detection techniques

  • Scalable

    Handheld to high throughput

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Headquartered in Palo Alto, California, ET Healthcare aspires to make better diagnostic tests.
Brand Story


Today’s care providers face a critical challenge: delivering fast, reliable diagnostics that improve patient care while managing budget constraints.


ET Healthcare’s revolutionary biosensor technology enables diverse healthcare settings to offer world-class testing capabilities.


Our solutions provide sensitive, accurate and timely results that legacy systems cannot match. By making these tests both accessible and cost-effective, we’re empowering better clinical decisions while helping labs maximize their resources.


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