Pedro E. S. Silva
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View article: Biochar-infused cellulose foams with PEG-based phase change materials for enhanced thermal energy storage and photothermal performance
Biochar-infused cellulose foams with PEG-based phase change materials for enhanced thermal energy storage and photothermal performance Open
This study presents cellulose-based foams reinforced with biochar and integrated with polyethylene glycol (PEG)-based phase change materials (PCMs) to enhance thermal energy storage and photothermal performance. The foams were fabricated u…
View article: Chromosomal Syndromes in Focus: An Extension Practice for Teaching Genetics in Basic Education
Chromosomal Syndromes in Focus: An Extension Practice for Teaching Genetics in Basic Education Open
Objective: This study describes an outreach activity conducted by students of the Genetics II course at the State University of Goiás (UEG) with a 2nd-year high school class, aiming to facilitate learning about karyotypes and chromosomal s…
View article: Sustainable 4D Printable Biobased Shape Memory Polymers with Linear Tunability and Multistimuli Actuation for Advanced Applications
Sustainable 4D Printable Biobased Shape Memory Polymers with Linear Tunability and Multistimuli Actuation for Advanced Applications Open
Sustainable materials that effectively combine sophisticated functionality with eco‐friendly materials are critical for next‐generation technologies. Herein, a novel, fully bioderived, 4D printable shape memory polymer with linear tunabili…
View article: Photocurable cellulose-based composites with PEGylated graphene oxide for leakage-free thermal energy storage and photothermal applications
Photocurable cellulose-based composites with PEGylated graphene oxide for leakage-free thermal energy storage and photothermal applications Open
The development of efficient, reliable, and sustainable energy storage technologies is essential for addressing the growing global demand for clean energy solutions. This study presents a novel approach for enhancing thermal energy storage…
View article: Multifunctional thermoregulating and water repellent cellulosic textile
Multifunctional thermoregulating and water repellent cellulosic textile Open
The figure shows the development of a multifunctional textile via dry-jet wet spinning of cellulose fibers with a phase change material, followed by octadecenyl succinic anhydride treatment to achieve hydrophobicity.
View article: Light‐Driven Multidirectional Bending in Artificial Muscles
Light‐Driven Multidirectional Bending in Artificial Muscles Open
Using light to drive polymer actuators can enable spatially selective complex motions, offering a wealth of opportunities for wireless control of soft robotics and active textiles. Here, the integration of photothermal components is report…
View article: In‐situ Monitoring of Photocontrollable Wrinkle Erasure in Azobenzene‐based Supramolecular Systems
In‐situ Monitoring of Photocontrollable Wrinkle Erasure in Azobenzene‐based Supramolecular Systems Open
In this contribution, dynamic photoinduced wrinkle erasure enabled by photomechanical changes in supramolecular polymer‐azo complexes was characterized via confocal microscopy. Different photoactive molecules, disperse yellow 7 (DY7) and 4…
View article: Active Textile Fabrics from Weaving Liquid Crystalline Elastomer Filaments
Active Textile Fabrics from Weaving Liquid Crystalline Elastomer Filaments Open
Active fabrics, responding autonomously to environmental changes, are the “Holy Grail” of the development of smart textiles. Liquid crystal elastomers (LCEs) promise to be the base materials for large‐stroke reversible actuation. The mecha…
View article: Cellulose Nanocrystal Aqueous Colloidal Suspensions: Evidence of Density Inversion at the Isotropic‐Liquid Crystal Phase Transition
Cellulose Nanocrystal Aqueous Colloidal Suspensions: Evidence of Density Inversion at the Isotropic‐Liquid Crystal Phase Transition Open
The colloidal suspensions of aqueous cellulose nanocrystals (CNCs) are known to form liquid crystalline (LC) systems above certain critical concentrations. From an isotropic phase, tactoid formation, growth, and sedimentation have been det…
View article: Colourful Patterns in Cellulose-Based Liquid Crystals
Colourful Patterns in Cellulose-Based Liquid Crystals Open
POCI-01-0145-FEDER-007688 UIDB/50025/2020-2023 EUTOPIA CA17139
View article: Flexible and Structural Coloured Composite Films from Cellulose Nanocrystals/Hydroxypropyl Cellulose Lyotropic Suspensions
Flexible and Structural Coloured Composite Films from Cellulose Nanocrystals/Hydroxypropyl Cellulose Lyotropic Suspensions Open
Lyotropic colloidal aqueous suspensions of cellulose nanocrystals (CNCs) can, after solvent evaporation, retain their chiral nematic arrangement. As water is removed the pitch value of the suspension decreases and structural colour-generat…
View article: Playing the blues, the greens and the reds with cellulose-based structural colours
Playing the blues, the greens and the reds with cellulose-based structural colours Open
Cellulose-based liquid crystalline solutions: diffusion–reaction mechanisms responsible for unexpected sequence of structural colours.
View article: Development of new structures with helical filaments
Development of new structures with helical filaments Open
O entrelaçamento de estruturas filamentares marcou um passo importante na evolução da humanidade. Vários tipos de filamentos são usados em tecidos, cordas e, mais recentemente em micro e nanoestruturas. Esta tese oferece um contributo que …
View article: Macromol. Rapid Commun. 5/2017
Macromol. Rapid Commun. 5/2017 Open
Back Cover: This work shows that it is possible to precisely shape, along the same microfilament, helices with different curvatures and handedness. Elastic electrospun microfilaments with distinct intrinsic curvatures, along their length, …