​​​YOUR CONSTANT IN TISSUE-BASED BIOMARKER DISCOVERY

Critical X

FLEX-ARRAY

Early Access Program

Our proprietary Flex-Array technology is an open and cost-effective alternative to traditional single-sample slide or tissue micro-array (TMA) testing of FFPE materials.  Build greater confidence in manual or automated tissue-based assays with ELISA-like process controls for testing and data analytics, while saving time and money on expensive reagents.  Assemble study cohorts in minutes with flexible fit-for-purpose layouts for many samples, many marker sets, or both without the constraints or delays associated with TMAs.  The Flex-Array system is compatible with upright and inverted microscopes, whole-slide imaging systems, and plate-reader platforms.  Whether your application is multiplexed imaging, ELISA-like assays, or nucleic acid extractions, the Critical X Flex-Array is the most reliable and flexible choice for your research program.


Flex-Array is a Research Use Only (RUO) offering and is currently available as a preparation only or research testing service, however test vessels, holders and required reagents and consumables will soon be offered in a convenient kit format to early access customers.​​


​​Click "Contact Critical X" below to inquire about our early access program

​​​​Advanced in situ detection tools and methods ​
Critical X is your source for high-precision tools tools for tissue-based assay development and testing for basic and clinical research.  Our signature Flex-Array product raises the bar on tissue-based assays by enabling ELISA-like process controls on intact Formalin-Fixed Paraffin-Embedded (FFPE) material without sacrificing morphological context.  See below for a high-level summary of our early access program for our Flex-Array platform. 

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