Annalisa Chiappone
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View article: Lignin Derivative as Visible‐Light Photo‐Initiating System for the Development of Biocide Materials under Light Irradiation
Lignin Derivative as Visible‐Light Photo‐Initiating System for the Development of Biocide Materials under Light Irradiation Open
The design of a new visible‐light methacrylated‐based kraft lignin photosensitizer ( MAcL ) of iodonium salt (Iod) for the free‐radical polymerization (FRP) of polyethylene glycol dimethacrylate (PEGDMA) under LEDs@405, 455, 470, 505, and …
View article: Microcrystalline Cellulose from Aloe Plant Waste as a Platform for Green Materials: Preparation, Chemical Functionalization, and Application in 3D Printing
Microcrystalline Cellulose from Aloe Plant Waste as a Platform for Green Materials: Preparation, Chemical Functionalization, and Application in 3D Printing Open
Aloe represents a valuable resource for the Mediterranean economy; the pharmaceutical and nutraceutical industries exploit the Aloe gel for several applications, but about 45 wt % of the Aloe plant, i.e., the leaf peel, is waste. This wast…
View article: 3D-Printed MEMS in Italy
3D-Printed MEMS in Italy Open
MEMS devices are more and more commonly used as sensors, actuators, and microfluidic devices in different fields like electronics, opto-electronics, and biomedical engineering. Traditional fabrication technologies cannot meet the growing d…
View article: Thioxanthone-Based Siloxane Photosensitizer for Cationic/Radical Photopolymerization and Photoinduced Sol–Gel Reactions
Thioxanthone-Based Siloxane Photosensitizer for Cationic/Radical Photopolymerization and Photoinduced Sol–Gel Reactions Open
In this investigation, a multifunctional visible-light TX-based photosensitizer containing a siloxane moiety (TXS) was designed with a good overall yield of 54%. The addition of a siloxane moiety enabled the incorporation of a TX photosens…
View article: Three-Dimensional Printing of Triboelectric Nanogenerators by Digital Light Processing Technique for Mechanical Energy Harvesting
Three-Dimensional Printing of Triboelectric Nanogenerators by Digital Light Processing Technique for Mechanical Energy Harvesting Open
Triboelectric nanogenerators (TENGs) represent intriguing technology to harvest human mechanical movements for powering wearable and portable electronics. Differently, compared to conventional fabrication approaches, additive manufacturing…
View article: Self‐Powered Integrated Tactile Sensing System Based on Ultrastretchable, Self‐Healing and 3D Printable Ionic Conductive Hydrogel
Self‐Powered Integrated Tactile Sensing System Based on Ultrastretchable, Self‐Healing and 3D Printable Ionic Conductive Hydrogel Open
Self‐healing ionic conductive hydrogels have shown significant potential in applications like wearable electronics, soft robotics, and prosthetics because of their high strain sensitivity and mechanical and electrical recovery after damage…
View article: A Facile and Green Microwave‐Assisted Strategy to Induce Surface Properties on Complex‐Shape Polymeric 3D Printed Structures
A Facile and Green Microwave‐Assisted Strategy to Induce Surface Properties on Complex‐Shape Polymeric 3D Printed Structures Open
Light‐ induced polymeric 3D printing is becoming a well‐established fabrication method, showing manifold advantages such as control of the local chemistry of the manufactured devices. It can be considered a green technology, since the part…
View article: Bioderived dyes-mediated vat photopolymerization 3D printing of chitosan hydrogels for tissue engineering
Bioderived dyes-mediated vat photopolymerization 3D printing of chitosan hydrogels for tissue engineering Open
The importance of 3D printable hydrogels is constantly increasing in the field of tissue engineering, due to their characteristic structure and similarity with the human body extracellular matrix (ECM). Herein, Quinizarin-based bioderived …
View article: 3D printable acrylate polydimethylsiloxane resins for cell culture and drug testing
3D printable acrylate polydimethylsiloxane resins for cell culture and drug testing Open
3D printed Acrilate PDMS-based devices to design stretchable platforms for cell culture and drug testing.
View article: Vat 3D printing of full-alginate hydrogels <i>via</i> thiol–ene reactions towards tissue engineering applications
Vat 3D printing of full-alginate hydrogels <i>via</i> thiol–ene reactions towards tissue engineering applications Open
Different synthetic strategies are explored to functionalize alginate with thiol and alkene groups. In this way an innovative full-alginate ink for digital light processing printers, based on the more biocompatible thiol–ene chemistry, is …
View article: Ultrasensitive Piezoresistive and Piezocapacitive Cellulose-Based Ionic Hydrogels for Wearable Multifunctional Sensing
Ultrasensitive Piezoresistive and Piezocapacitive Cellulose-Based Ionic Hydrogels for Wearable Multifunctional Sensing Open
Tactile sensors, namely, flexible devices that sense physical stimuli, have received much attention in the last few decades due to their applicability in a wide range of fields like the world of wearables, soft robotics, prosthetics, and e…
View article: Photocurable 3D-Printable Systems with Controlled Porosity towards CO2 Air Filtering Applications
Photocurable 3D-Printable Systems with Controlled Porosity towards CO2 Air Filtering Applications Open
Porous organic polymers are versatile platforms, easily adaptable to a wide range of applications, from air filtering to energy devices. Their fabrication via vat photopolymerization enables them to control the geometry on a multiscale lev…
View article: Continuous-Flow Synthesis of Arylthio-Cyclopropyl Carbonyl Compounds
Continuous-Flow Synthesis of Arylthio-Cyclopropyl Carbonyl Compounds Open
The straightforward, continuous-flow synthesis of cyclopropyl carbaldehydes and ketones has been developed starting from 2-hydroxycyclobutanones and aryl thiols. This acid-catalyzed mediated procedure allows access to the multigram and eas…
View article: Photocurable Thiol–yne Alginate Hydrogels for Regenerative Medicine Purposes
Photocurable Thiol–yne Alginate Hydrogels for Regenerative Medicine Purposes Open
Every year millions of people worldwide undergo surgical interventions, with the occurrence of mild or severe post-treatment consequences meaning that rehabilitation plays a key role in modern medicine. Considering the cases of burns and p…
View article: Changing the surface properties with a “click”: functionalization of DLP-printed structures exploiting residual acrylate functions
Changing the surface properties with a “click”: functionalization of DLP-printed structures exploiting residual acrylate functions Open
This work highlights a method of post-functionalization of DLP-printed parts which takes advantage of unreacted acrylate functions as active sites to afford a variety of surface modifications.
View article: Microwave-assisted methacrylation of chitosan for 3D printable hydrogels in tissue engineering
Microwave-assisted methacrylation of chitosan for 3D printable hydrogels in tissue engineering Open
The microwave-assisted methacrylation of chitosan is studied. The control of the process parameters allows tuning the methacrylation degree and thus the hydrogel properties after photocuring. The resulting chitosan is 3D printable and bioc…
View article: Effects of the Manufacturing Methods on the Mechanical Properties of a Medical-Grade Copolymer Poly(L-lactide-co-D,L-lactide) and Poly(L-lactide-co-ε-caprolactone) Blend
Effects of the Manufacturing Methods on the Mechanical Properties of a Medical-Grade Copolymer Poly(L-lactide-co-D,L-lactide) and Poly(L-lactide-co-ε-caprolactone) Blend Open
Biocompatible and biodegradable polymers represent the future in the manufacturing of medical implantable solutions. As of today, these are generally manufactured with metallic components which cannot be naturally absorbed within the human…
View article: Light processable starch hydrogels
Light processable starch hydrogels Open
Light processable hydrogels were successfully fabricated by utilizing maize starch as raw material. Increasing the starch content from 10 to 15 wt% increased the compressive stiffness from 13 to 20 kPa, which covers the stiffness of differ…
View article: Visible light-induced cross-linking of unmodified gelatin with PEGDA for DLP-3D printable hydrogels
Visible light-induced cross-linking of unmodified gelatin with PEGDA for DLP-3D printable hydrogels Open
The 3D printability of cold-water fish gelatin used as co-initiating species for the crosslinking of PEGDA monomers in presence of camphorquinone (through a Norrish II reaction) is evaluated. The 3D digital light processing leads to the cr…
View article: Light-based 3D printing of functional polydimethylsiloxane- based microfluidic chips
Light-based 3D printing of functional polydimethylsiloxane- based microfluidic chips Open
The objective of the work is to fabricate and functionalize 3D printed PDMS-based microfluidic chips through digital light processing DLP-3D printing.
View article: Angiogenesis biomarkers detection on a polymeric 3D printed device
Angiogenesis biomarkers detection on a polymeric 3D printed device Open
Polymeric 3D printed chips with intrinsic tuned functionalities were produced and employed for the detection of angiogenesis biomarkers.
View article: 3D printed microfluidic devices for cell culture
3D printed microfluidic devices for cell culture Open
A successful application of the 3D printed materials in the biomedical field requires extensive studies to ensure their biocompatibility at every step of the process. Here, different components suitable for cell applications, including a m…