Gian Luca Barbruni

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Related publications (23)

New Insights Into the I/V Hysteretic Characteristics of Memristive Biosensors

Sandro Carrara, Gian Luca Barbruni, Junrui Chen, Ata Jedari Golparvar, Kapil Bhardwaj

Over the past decade, significant advancements have been made in the study of silicon nanowires (SiNWs). These nanoscaled devices can exhibit a memristive type of hysteresis in the current/voltage (I/V) plane that has been utilized in the biosensors leadin ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023

A Novel Piezoresistive Microcantilever Structure for Free Valproic Acid Sensing in Personalized Epilepsy Management

Sandro Carrara, Gian Luca Barbruni, Ata Jedari Golparvar

Microcantilever-based biosensors have emerged as promising technologies for point-of-care sensing systems. However, since they are typically utilized as a single piezoresistor in a quarter Wheatstone bridge configuration, they suffer from output asymmetry ...

Piscataway2023

Miniaturised, Wireless and Distributed Neural Interface Toward Cortical Visual Prosthesis

Gian Luca Barbruni

Over the last decades, implantable neural interfaces have been extensively explored and effectively deployed to address neurological and mental health disorders. The existing solutions present several limitations. Firstly, the physical size of the implanta ...

EPFL2023

An Ultra-Miniaturised CMOS Clock and Data Recovery System for Wireless ASK Transmission

Sandro Carrara, Diego Ghezzi, Gian Luca Barbruni

Over the years, several clock and data recovery architectures have been proposed for wireless Amplitude Shift Keying (ASK) transmitted signals. State-of-the-art architectures mainly rely on synchronous phase-locked loop circuits or selfsampling systems, bo ...

IEEE2023

Amperometric Urine Biosensor for Rapid Point-of-Care Tuberculosis Diagnosis

Sandro Carrara, Gian Luca Barbruni, Ata Jedari Golparvar

In this study, we propose the development and simulation of an electrochemical aptamer biosensor designed for point-of-care detection of tuberculosis (TB) in human urine. The biosensor operates through amperometric biosensing combined with aptamer-antibody ...

IEEE2023

Changes Over Time in the Electrode/Brain Interface Impedance: An Ex-Vivo Study

Sandro Carrara, Diego Ghezzi, Gian Luca Barbruni

Closed-loop neural implants based on continuous brain activity recording and intracortical microstimulation are extremely effective and promising devices to monitor and address many neurodegenerative diseases. The efficiency of these devices depends on the ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023

A Front-End CMOS Interface Circuit With High Voltage Charge Pump and Oscillator for Capacitive Micromachined Ultrasonic Transducers

Sandro Carrara, Gian Luca Barbruni, Zhengwen Jiang, Yihe Zhao

Label-free biosensors, combined with miniaturized micro-electromechanical sensory platforms, offer an attractive solution for real-time and facile monitoring of biomolecules due to their high sensitivity and selectivity without the need for specifically la ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023

Ultra-Miniaturised CMOS Current Driver for Wireless Biphasic Intracortical Microstimulation

Sandro Carrara, Diego Ghezzi, Gian Luca Barbruni

This work shows an ultra-miniaturised and ultra-low-power CMOS current driver for biphasic intracortical microstimulation. The CMOS driver is composed of a leakage-based voltage-to-current converter and an H-bridge circuit providing biphasic charge-balance ...

IEEE2022

A Novel Approach in Edge Computing: In-Memory Sensing of Cancer Markers

Sandro Carrara, Gian Luca Barbruni

We present here the first ever-reported direct computation of the cancer risk on cancer markers simultaneously detected by memristors. The novel approach in cancer diagnostics here proposed is based on the fusion of the three actions of sensing, computing ...

IEEE2022

A 20 Mbps, 433 MHz RF ASK Transmitter to Inductively Power a Distributed Network of Miniaturised Neural Implants

Sandro Carrara, Diego Ghezzi, Gian Luca Barbruni

Simultaneous wireless information and power transfer is an emerging technique in neurotechnology. This work presents an efficient transmitter for both power transfer and downlink data communication to multiple, miniaturised and inductively-powered chips. W ...

IEEE2021

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Miniaturised, Wireless and Distributed Neural Interface Toward Cortical Visual Prosthesis

Gian Luca Barbruni

EPFL2023

A Front-End CMOS Interface Circuit With High Voltage Charge Pump and Oscillator for Capacitive Micromachined Ultrasonic Transducers

Sandro Carrara, Gian Luca Barbruni, Zhengwen Jiang, Yihe Zhao

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023