Browsing by Author "Zoppe, Justin Orazio"
Now showing items 1-20 of 40
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11th young faculty meeting, 5th June 2018
(2018-08-22)
Article
Open Access -
A variational solution of the time-dependent Schrodinger equation by a restricted superposition of frozen Gaussian wavepackets
(2005-05)
Article
Restricted access - publisher's policyWe present a variational solution of the time-dependent Schrodinger equation formed from a restricted superposition of frozen Gaussian wavepackets. The trial function is comprised of a set of frozen Gaussian wavepackets ... -
Asymmetric water transport in dense leaf cuticles and cuticle-inspired compositionally graded membranes
(2021-12)
Article
Open AccessMost of the aerial organs of vascular plants are covered by a protective layer known as the cuticle, the main purpose of which is to limit transpirational water loss. Cuticles consist of an amphiphilic polyester matrix, ... -
Benefits of incorporating lignin into starch-based films: a brief review
(Multidisciplinary Digital Publishing Institute (MDPI), 2024-08-13)
Article
Open AccessPolysaccharides are an excellent renewable source for developing food-packing materials. It is expected that these packages can be an efficient barrier against oxygen; can reduce lipid peroxidation, and can retain the ... -
Bio-inspired, Self-toughening polymers enabled by plasticizer-releasing microcapsules
(2019-04)
Article
Open AccessA new concept for the design of self-toughening thermoplastic polymers is presented. The approach involves the incorporation of plasticizer-filled microcapsules (MCs) in an intrinsically rigid and brittle matrix polymer. ... -
Biopolymer photonics: from nature to nanotechnology
(2023-08-27)
Article
Open AccessBiopolymers offer vast potential for renewable and sustainable devices. While nature mastered the use of biopolymers to create highly complex 3D structures and optimized their photonic response, artificially created ... -
Cellulose nanocrystal allomorphs: morphology, self-assembly, and polymer end-tethering toward chiral metamaterials
(American Chemical Society (ACS), 2024-03-11)
Article
Open AccessSince the early observations of plane polarized light rotation by tartaric acid by Jean-Baptiste Biot (1) and Louis Pasteur’s later discovery of tartrate enantiomers in 1848, (2) the significance of chirality persists ... -
Cellulose nanocrystals with tethered polymer chains: chemically patchy versus uniform decoration
(2017-09-19)
Article
Open AccessThe site-specific surface modification of colloidal substrates, yielding “patchy” nanoparticles, is a rapidly expanding area of research as a result of the new complex structural hierarchies that are becoming accessible ... -
Cellulose nanocrystals: surface modification, applications and opportunities at interfaces
(2017-06-28)
Article
Open AccessCellulose nanocrystals (CNCs) are rod-like nano-scale particles that are widely available in nature and have recently gained great interest in both research and industry, due to their high strength, high crystallinity, ... -
Cellulose nanofiber nanocomposite pervaporation membranes for ethanol recovery
(American Chemical Society, 2021-01-12)
Article
Open AccessIn spite of the growing interest to exploit nanocellulose in membranes for water purification, reverse osmosis, packaging, and other applications, examples of nanocellulose-containing membranes for pervaporation are rather ... -
Challenges in synthesis and analysis of asymmetrically grafted cellulose nanocrystals via atom transfer radical polymerization
(2021-06-01)
Article
Open AccessWhen cellulose nanocrystals (CNCs) are isolated from cellulose microfibrils, the parallel arrangement of the cellulose chains in the crystalline domains is retained so that all reducing end-groups (REGs) point to one ... -
Chemical modification of reducing end-groups in cellulose nanocrystals
(2021-01-04)
Article
Open AccessNative plant cellulose has an intrinsic supramolecular structure. Consequently, it can be isolated as nanocellulose species, which can be utilized as building blocks for renewable nanomaterials. The structure of cellulose ... -
Continuous propionic acid production with Propionibacterium acidipropionici immobilized in a novel xylan hydrogel matrix
(2015-12)
Article
Restricted access - publisher's policyThe cell immobilization potential of a novel xylan based disulfide-crosslinked hydrogel matrix reinforced with cellulose nanocrystals was studied with continuous cultivation of Propionibacterium acidipropionici using various ... -
Delignification of lignocellulosic biomass and its effect on subsequent enzymatic hydrolysis
(2015-03-17)
Article
Open AccessThe effect of delignification on the enzymatic hydrolysis of biomass was investigated to determine how different delignification processes affect enzymatic hydrolysis conversion yields. Oxygen, hydrogen peroxide, and sodium ... -
Dynamic light scattering plus scanning electron microscopy: usefulness and limitations of a simplified estimation of nanocellulose dimensions
(2022-12-02)
Article
Open AccessMeasurements of nanocellulose size usually demand very high-resolution techniques and tedious image processing, mainly in what pertains to the length of nanofibers. Aiming to ease the process, this work assesses a relatively ... -
Effect of functional mineral additive on processability and material properties of wood-fiber reinforced poly(lactic acid) (PLA) composites
(2020-05)
Article
Open AccessThis study examines the use of alkenyl succinic anhydride (ASA)-surface treated calcium carbonate as a functional mineral additive for application in wood fiber (WF)-reinforced PLA composites. The influence of addition ... -
Effect of surface charge on surface-initiated atom transfer radical polymerization from cellulose nanocrystals in aqueous media
(2016-04-11)
Article
Open AccessCellulose nanocrystals (CNCs) with different charge densities were utilized to examine the role of electrostatic interactions on surface-initiated atom transfer radical polymerization (SI-ATRP) in aqueous media. To this ... -
Effects of delignification on crystalline cellulose in lignocellulose biomass characterized by vibrational sum frequency generation spectroscopy and X-ray diffraction
(2015-12)
Article
Restricted access - publisher's policyDelignification, a common practice in the pulping industry, has been proposed and explored as a means to selectively remove lignin from lignocellulosic biomass and, thus, increase enzyme accessibility for cellulose hydrolysis. ... -
Evaluating the use of calcium hydrogen phosphate dihydrate as a mineral-based fire retardant for application in melamine-urea-formaldehyde ( MUF )-bonded wood-based composite materials
(2021-07-11)
Article
Open AccessCalcium hydrogen phosphate dihydrate (DCPD) was evaluated for its potential as a mineral fire retardant (FR) for application in melamine-urea-formaldehyde (MUF)-bonded wood composites. The efficacy as FR was studied in ... -
Functionally graded polyurethane/cellulose nanocrystal composites
(2018-06)
Article
Open AccessThe preparation and investigation of functionally graded polymer nanocom-posites, which have a concentration gradient of cellulose nanocrystals (CNCs) along one direction, is reported here. As a test bed, a series of ...
