Laura Pasquardini

Fondazione Bruno Kessler

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Cecilia Pederzolli

Fondazione Bruno Kessler

216

Lorenzo Lunelli

Fondazione Bruno Kessler

201

Cristina Potrich

Fondazione Bruno Kessler

177

Emiliano Descrovi

Polytechnic University of Turin

156

Paola Rivolo

Polytechnic University of Turin

155

Francesca Frascella

Polytechnic University of Turin

154

Marzia Quaglio

Polytechnic University of Turin

154

Claudio Gerbaldi

National Interuniversity Consortium of Materials Science and Technology

153

Esmaiel Jabbari

University of South Carolina

152

Shrikant C. Nagpure

Idaho National Laboratory

152

Cooperative Institutions

University of Trento

Fondazione Bruno Kessler

National Research Council

Polytechnic University of Turin

Italian Institute of Technology

Chinese Academy of Sciences

Centre National de la Recherche Scientifique

National Interuniversity Consortium of Materials Science and Technology

Istituto di Fotonica e Nanotecnologie

Institute of Materials for Electronics and Magnetism

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Optimization of the Mechanical Recycling of Phenolic Resins for Household Appliances

Polymers (2024)

Francesco Valentini Daniele Rigotti Matteo Saletti Alberto Beccaro Laura Pasquardini

In light of the significant impact of climate change, it is imperative to identify effective solutions to reduce the environmental burdens of industrial production and to promote recycling strategies also for thermosetting polymers. In this work, the mechanical recycling of phenolic resins, obtained from industrial production scrap of plastic knobs for household appliances, was optimized. The feasibility of a partial substitution of virgin materials with recycled ones was investigated both at a laboratory and industrial scale. Finally, the environmental benefits arising from the use of recycled material were quantified through a life cycle assessment (LCA). The results of laboratory characterization demonstrated that the thermal properties of the phenolic resins were not influenced by the presence of recycled material, and the mechanical performances were not significantly impaired up to a recycled content of 30 wt%. The industrial production trials demonstrated the feasibility of replacing up to 15 wt% of virgin material without any influence on the aesthetical features of the produced components. Finally, LCA of industrially produced knobs highlighted a limited benefit of virgin material substitution in the case of novolac chromium-plated samples, while an overall environmental impact reduction of around 7-10% was detected in the case of resol-based materials.

10.3390/polym16233378

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Solid phase DNA extraction on PDMS and direct amplification

Lab on a Chip (2011)

Laura Pasquardini Cristina Potrich Marzia Quaglio Andrea Lamberti S. Guastella

In this paper we report an innovative use of Poly(DiMethyl)Siloxane (PDMS) to design a microfluidic device that combines, for the first time, in one single reaction chamber, DNA purification from a complex biological sample (blood) without elution and PCR without surface passivation agents. This result is achieved by exploiting the spontaneous chemical structure and nanomorphology of the material after casting. The observed surface organization leads to spontaneous DNA adsorption. This property allows on-chip complete protocols of purification of complex biological samples to be performed directly, starting from cells lysis. Amplification by PCR is performed directly on the adsorbed DNA, avoiding the elution process that is normally required by DNA purification protocols. The use of one single microfluidic volume for both DNA purification and amplification dramatically simplifies the structure of microfluidic devices for DNA preparation. X-Ray Photoelectron Spectroscopy (XPS) was used to analyze the surface chemical composition. Atomic Force Microscopy (AFM) and Field Emission Scanning Electron Microscopy (FESEM) were employed to assess the morphological nanostructure of the PDMS-chips. A confocal fluorescence analysis was utilized to check DNA distribution inside the chip.

Biomolecule

10.1039/c1lc20371a

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Citations (39)

Microring Resonators and Silicon Photonics

MRS Advances (2016)

Fernando Ramiro‐Manzano Stefano Biasi Martino Bernard Mattia Mancinelli Tatevik Chalyan

Optical cavity

10.1557/adv.2016.393

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Citations (3)

Nanofabrication