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Sandro Carrara

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Related publications (296)

Page 2 of 15

Sustainable Printed Chitosan-Based Humidity Sensor on Flexible Biocompatible Polymer Substrate

Sandro Carrara, Johanna Zikulnig

Humidity is one of the most relevant physical parameters to sense and control for a wide range of commercial and industrial applications. Consequently, there is continuing demand for the development of innovative and sustainable humidity sensor solutions. ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2022

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

Multichannel Radiation-Compensated Systems for Temperature and Humidity Monitoring for High Energy Physics Detectors

Sandro Carrara, Amar Kapic

Monitoring humidity and temperature in silicon-based high-energy physics (HEP) detectors is indispensable but challenging due to space restrictions, radiation, sub-zero temperatures, and strong magnetic fields. This manuscript presents humidity and tempera ...

2024

Multi-ion-sensing emulator and multivariate calibration optimization by machine learning models

Giovanni De Micheli, Sandro Carrara, Francesca Criscuolo, Mandresy Ivan Ny Hanitra

One paramount challenge in multi-ion-sensing arises from ion interference that degrades the accuracy of sensor calibration. Machine learning models are here proposed to optimize such multivariate calibration. However, the acquisition of big experimental da ...

2021

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

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

Electrochemical sensors modified with iron oxide nanoparticles/ nanocomposites for voltammetric detection of Pb (II) in water: A review

Sandro Carrara

Permissible limits of Pb 2+ in drinking water are being reduced from 10 mu gL -1 to 5 mu gL -1 , which calls for rapid, and highly reliable detection techniques. Electrochemical sensors have garnered attention in detection of heavy metal ions in environmen ...

Cell Press2024

Flexible Sensor and Readout Circuitry for Continuous Ion Sensing in Sweat

Sandro Carrara, Ata Jedari Golparvar, Ali Meimandi

In this letter, we present a custom-designed and flexible readout circuitry for the characterization of flexible and planar electrolyte-gated carbon nanotube field-effect transistor-based biosensors for ammonium detection in sweat. We employed spray-deposi ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023

Mixed gold and platinum nanostructured layers for all-solid-state ion sensors

Giovanni De Micheli, Sandro Carrara, Danilo Demarchi, Irene Taurino, Francesca Criscuolo

The great interest in portable and wearable monitoring systems has promoted in recent years a major expansion of all-solid-state Ion-Selective Electrodes (ISEs). Nanostructured Solid-Contacts (SCs) have shown a promising potential in order to eliminate the ...

IEEE2018

Real-Time Multi-Ion-Monitoring Front-End With Interference Compensation by Multi-Output Support Vector Regressor

Giovanni De Micheli, Sandro Carrara, Francesca Criscuolo, Mandresy Ivan Ny Hanitra

Ion-sensors play a major role in physiology and healthcare monitoring since they are capable of continuously collecting biological data from body fluids. Nevertheless, ion interference from background electrolytes present in the sample is a paramount chall ...

2021

Gold nanoparticles mediated label-free capacitance detection of cardiac troponin I

Sandro Carrara

It has been already proved that electrical capacitance increases at the electrode surface due to binding of highly charged antigens on the biointerface. In this paper, this capacitance change was used to demonstrate a novel detection for cardiac troponin I ...

2012

Battery-Free, Sticker-Like, Device for Health Monitoring, Operated by Optical Power Transfer

Sandro Carrara

This work presents the concept of a battery-free, sticker-like, device for a non-invasive health-monitoring sensor. The device consists of two functional blocks: an optical power-transfer block and an amperometric measurement block. The former accumulates ...

IEEE2018

Design, fabrication, and test of a sensor array for perspective biosensing in chronic pathologies

Giovanni De Micheli, Sandro Carrara, Camilla Baj-Rossi, Seyedeh Sara Ghoreishizadeh, Andrea Cavallini

Biosensing for chronic pathologies requires the simultaneous monitoring of different parameters such as drug concentrations, inflammation status, temperature and pH. In this paper we discuss the design, fabrication and test of a sensor array hosting five b ...

2012

Screen-printed electrodes based on carbon nanotubes and cytochrome P450scc for highly sensitive cholesterol biosensors

Sandro Carrara, Bruno Samori

This paper is concerned with an investigation of electron transfer between cytochrome P450scc (CYP11A1) immobilized on nanostructured rhodium-graphite electrodes. Multi-walled carbon nanotubes (MWCNT) were deposited onto the rhodium-graphite electrodes by ...

Elsevier2008

Inkjet-Printed Soft Intelligent Medical Bracelet for Simultaneous Real-Time Sweat Potassium (K+), Sodium (Na+), and Skin Temperature Analysis

Sandro Carrara, Ata Jedari Golparvar, Ali Meimandi

Truly wearable, fully flexible, and multiparametric sweat analysis with soft and socially discrete packaging offers tremendous potential to enable the next generation of noninvasive digital biomarkers analysis. Several examples of miniaturized potentiometr ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2023

Quantitative Estimation of Biological Cell Surface Receptors by Segmenting Conventional Fluorescence Microscopy Images

Giovanni De Micheli, Sandro Carrara, Danilo Demarchi, Paolo Silacci, Julien Michel Ghaye

State-of-the-art techniques for measuring and monitoring gene level expression rely on messenger RNA (mRNA) extraction and quantification, usually based on the concept of reverse transcription polymerase chain reaction. In this paper, we take adva ...

Ieee2014

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

Sandro Carrara, Gian Luca Barbruni, 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

Integrated Bio/Nano/CMOS Interfaces for Electrochemical Molecular Sensing

Sandro Carrara

Integrated bio/nano/Complementary Metal-Oxide-Semiconductor (CMOS) interfaces for electrochemical molecular sensing are becoming more and more common in the literature, especially for developing new electronic biochips for smart and intelligent Internet-of ...

WILEY2018

Nanowire Sensors in Cancer

Sandro Carrara

In 2006, the group of Dr C.M. Lieber pioneered the field of nanowire sensors by fabricating devices for the ultra-sensitive label-free detection of biological macromolecules. Since then, nanowire sensors have demonstrated their ability to detect cancer-ass ...

2019

Effect of Cr substitution in ZnFe2O4 nanoparticles on the electron transfer at electrochemical interfaces

Sandro Carrara

In this study, we explored the effect of Cr³⁺ substitution by partially and fully replacing Fe³⁺ in the normal spinel ZnFe₂O₄ crystal structure at electrochemical interfaces. The resulting ZnCrₓFe₂₋ₓO₄ nanomaterials exhibited an average particle size betwe ...

2025

Optimized Microfluidic Biosensor for Sensitive C-Reactive Protein Detection

Sandro Carrara, Amirmahdi Tavakolidakhrabadi

Lateral flow immunoassays (LFIAs) were integrated into microfluidic chips and tested to enhance point-of-care testing (POCT), with the aim of improving sensitivity and expanding the range of CRP detection. The microfluidic approach improves upon traditiona ...

MDPI AG2025