Microcontact imprinting based biosensor for ultrasensitive detection of prostatespecific antigen (PSA)

October 9, 2015

Prostate-specific antigen (PSA) is an important biomarker for diagnosis and prognosis of prostate cancer. Herein, microcontact PSA-imprinted surface plasmon resonance (SPR) sensor chip was developed for sensitive, real-time detection of PSA.

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Capacitive biosensors for ultra-sensitive assays

October 1, 2015

Capacitive binding assays have long been considered highly sensitive. The underlying method includes sending short potential pulses and then registering the current. With the introduction of current pulses and registration of potential responses, the stability improved significantly.

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