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Due to the lack of portable, field-deployable diagnostic tests for detecting cancer cells, especially for breast cancer, current detection techniques involve the collection of blood andor tissue samples, which then need to be sent to laboratories for further analysis before decisions can be made by the treating physicians. Conventional techniques such as mammograms and blood analysis are time consuming,...
This article reports on a helical spring-like piezoresistive graphene strain sensor formed within a microfluidic channel. The helical spring has a tubular hollow structure and is made of a thin graphene layer coated on the inner wall of the channel using an in situ microfluidic casting method. The helical shape allows the sensor to flexibly respond to both tensile and compressive strains in a wide...
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