Alejandra Durand-Silva

ORCID: 0000-0003-0482-0690
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About
Contact & Profiles
Research Areas
  • Polymer composites and self-healing
  • Photopolymerization techniques and applications
  • Supramolecular Self-Assembly in Materials
  • Lipid Membrane Structure and Behavior
  • Covalent Organic Framework Applications
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Photochromic and Fluorescence Chemistry
  • Advanced Polymer Synthesis and Characterization
  • Additive Manufacturing and 3D Printing Technologies
  • Nanoparticle-Based Drug Delivery
  • 3D Printing in Biomedical Research
  • Nanopore and Nanochannel Transport Studies
  • Graphene research and applications
  • Synthetic Organic Chemistry Methods
  • Metal-Organic Frameworks: Synthesis and Applications
  • RNA Interference and Gene Delivery
  • Carbon dioxide utilization in catalysis

The University of Texas at Dallas
2019-2022

We report the synthesis and characterization of a new class 2D-covalent organic frameworks, called COFamides, whose layers are held together by amide hydrogen bonds. To accomplish this, we have designed monomers with nonplanar structure that arises from steric crowding, forcing side groups out plane COF sheets orienting bonds between layers. The presence these provides significant structural stabilization as demonstrated comparison to control structures lack bonding capability, resulting in...

10.1021/jacs.0c03409 article EN Journal of the American Chemical Society 2020-07-05

Dynamic covalent bonds impart new properties to 3D printable materials that help establish printing as an accessible and efficient manufacturing technique. Here, we studied the effect of a thermally reversible Diels-Alder cross-linker on shape stability photoprintable resins their self-healing properties. Resins containing different concentrations dynamic cross-links in polyacrylate network showed content plays key role balancing with ability. The printed objects was evaluated by measuring...

10.1021/acsmacrolett.1c00121 article EN ACS Macro Letters 2021-04-06

Abstract Artificial native-like lipid bilayer systems constructed from phospholipids assembling into unilamellar liposomes allow the reconstitution of detergent-solubilized transmembrane proteins supramolecular lipid-protein assemblies called proteoliposomes, which mimic cellular membranes. Stabilization these complexes remains challenging because their chemical composition, hydrophobicity and structural instability membrane proteins, lability interactions between protein, detergent, lipids...

10.1038/s41467-021-22285-y article EN cc-by Nature Communications 2021-04-13

ADVERTISEMENT RETURN TO ISSUEPREVFirst ReactionsNEXTRecycling the Unrecyclable with Dynamic Covalent ChemistryPlastics once destined to become trash can now be recycled into new materials by using a simple catalyst.Alejandra Durand-SilvaAlejandra Durand-SilvaDepartment of Chemistry and Biochemistry, University Texas at Dallas, 800 West Campbell Road, Richardson, 75080, United StatesMore Alejandra Durand-Silvahttp://orcid.org/0000-0003-0482-0690 Ronald A. Smaldone​Ronald SmaldoneDepartment...

10.1021/acscentsci.0c00488 article EN publisher-specific-oa ACS Central Science 2020-05-14

Vat photopolymerization is a versatile 3D-printing method that produces parts using polymeric materials with uniform mechanical properties, high-quality surface finish, and high-resolution features. However, it challenging to make composite vat mainly because of the imperfect filler dispersion in photoresin. Herein, we describe methodology incorporate aramid nanofibers (ANFs) into 3D-printable photoresin as dispersion, followed by solvent-exchange process limits anisotropic shrinkage...

10.1021/acsanm.1c03843 article EN ACS Applied Nano Materials 2022-02-03

3D printed micelle-based hydrogels were mechanically stabilized and crosslinked through the base catalyzed thiol-Michael addition in PBS buffer, without use of potentially cytotoxic radical chemistry.

10.1039/c9py00953a article EN Polymer Chemistry 2019-01-01

Supramolecular interactions provide 3D printable materials with noncovalent cross-linking and stimuli-responsive properties to improve their processability functionality. Here, we developed photoprintable acrylate polymer networks that contain pendant aliphatic or aromatic urea groups at different molar ratios toughness enable self-healing ability via hydrogen bonding. We synthesized two methacrylate monomers containing either an motif, formulated them in liquid photoreactive resins. printed...

10.1021/acsapm.2c01233 article EN ACS Applied Polymer Materials 2022-11-10

Dynamic covalent bonds impart new properties to 3D printable materials that help establish printing as an accessible and efficient manufacturing technique. Here, we studied the effect of a thermally reversible Diels-Alder crosslinker on shape stability photoprintable resins their self-healing properties. Resins containing different concentrations dynamic crosslinks in polyacrylate network showed content plays key role balancing with ability. The printed objects was evaluated by measuring...

10.26434/chemrxiv.14120255 preprint EN cc-by-nc-nd 2021-02-26

<div> <div><div><div><p>Artificial native-like lipid bilayer systems constructed from phospholipids assembling into unilamellar liposomes allow the reconstitution of detergent-solubilized transmembrane proteins supramolecular lipid-protein assemblies called proteoliposomes, which mimic cellular membranes. Stabilization these complexes remains challenging because their chemical composition, hydrophobicity and structural instability membrane proteins, lability...

10.26434/chemrxiv.12678404 preprint EN cc-by-nc-nd 2020-07-22

Artificial native-like lipid bilayer systems constructed from phospholipids assembling into unilamel- lar liposomes allow the reconstitution of detergent-solubilized transmembrane proteins supramolecular lipid-protein assemblies called proteoliposomes, which mimic cellular membranes. Stabilization these com- plexes remains challenging because their chemical composition, hydrophobicity and structural instabil- ity membrane proteins, lability interactions between protein, detergent, lipids...

10.26434/chemrxiv.12678404.v1 preprint EN cc-by-nc-nd 2020-07-22

We report the synthesis and characterization of a new class 2D-covalent organic frameworks, called COFamides, whose layers are held together by amide hydrogen bonds. To accomplish this, we have designed monomers with non-planar structure that arises from steric crowding, forcing side groups out plane COF sheets orienting bonds between layers. The presence these provides significant structural stabilization as demonstrated comparison to control structures lack bonding capability, resulting in...

10.26434/chemrxiv.12043368.v1 preprint EN cc-by-nc-nd 2020-03-30

<p>We report the synthesis and characterization of a new class 2D-covalent organic frameworks, called COFamides, whose layers are held together by amide hydrogen bonds. To accomplish this, we have designed monomers with non-planar structure that arises from steric crowding, forcing side groups out plane COF sheets orienting bonds between layers. The presence these provides significant structural stabilization as demonstrated comparison to control structures lack bonding capability,...

10.26434/chemrxiv.12043368 preprint EN cc-by-nc-nd 2020-03-30

Artificial native-like lipid bilayer systems constructed from phospholipids assembling into unilamellar liposomes allow the reconstitution of detergent-solubilized transmembrane proteins supramolecular lipid-protein assemblies called proteoliposomes, which mimic cellular membranes. Stabilization these complexes remains challenging because their chemical composition, hydrophobicity and structural instability membrane proteins, lability interactions between protein, detergent, lipids within...

10.26434/chemrxiv.12678404.v2 preprint EN cc-by-nc-nd 2021-01-08

Dynamic covalent bonds impart new properties to 3D printable materials that help establish printing as an accessible and efficient manufacturing technique. Here, we studied the effect of a thermally reversible Diels-Alder crosslinker on shape stability photoprintable resins their self-healing properties. Resins containing different concentrations dynamic crosslinks in polyacrylate network showed content plays key role balancing with ability. The printed objects was evaluated by measuring...

10.26434/chemrxiv.14120255.v1 preprint EN cc-by-nc-nd 2021-02-26

Vat photopolymerization is a versatile 3D printing method that produces parts using polymeric materials with uniform mechanical properties, high quality surface finish and high-resolution features. However, it challenging to make composite vat mainly due the imperfect filler dispersion in photo resin. Herein, we describe methodology incorporate aramid nanofibers (ANFs) into printable photoresin as dispersion, followed by solvent exchange process limits anisotropic shrinkage cracking of...

10.26434/chemrxiv-2021-5pj1d preprint EN cc-by-nc 2021-11-12
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