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Our History

WPI began in 1967 as a small manufacturer of amplifiers and stimulators used in nerve, skin and muscle research. More than 30 years later, we have grown to become the world leader in TEER measurement, nitric oxide sensing and more.

WPI's numerous innovations include:

• ISO-NO Mark II, the world's leading nitric oxide sensor.
• EVOM, the most widely used voltohmmeter for TEER research.
• EVC4000, the most advanced epithelial voltage and amplifier clamp available.

In 1990 we moved from our original home in New Haven, Connecticut, to Sarasota, Florida. As worldwide demand for WPI products increased, offices were opened in London, Berlin, Tokyo and Melbourne. Today, WPI continues to diversify and innovate -- our latest catalog contains over 1500 items such as data acquisition systems, digital cameras, glass capillaries, pre-pulled glass micro-pipettes, micro-syringe pumps, fiber optic spectrometers, micro-manipulators, electrodes and more. Our newest products include a popular line of inexpensive micro-dissecting instruments, adjustable pipetters and binocular microscopes.