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Orlando J. Rojas

Researcher at Aalto University

Publications -  600
Citations -  31446

Orlando J. Rojas is an academic researcher from Aalto University. The author has contributed to research in topics: Cellulose & Chemistry. The author has an hindex of 71, co-authored 512 publications receiving 23344 citations. Previous affiliations of Orlando J. Rojas include University of British Columbia & Auburn University.

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Development and characterization of thin polymer films relevant to fiber processing

TL;DR: In this paper, dilute solutions of cellulose, polypropylene, polyethylene, nylon and polyester were spun cast onto gold and silica wafers to generate thin films of these polymers, which are commonly used in the manufacture of synthetic fibers.
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Bioactive Cellulose Nanofibrils for Specific Human IgG Binding

TL;DR: The effects of initiator concentration and thickness of poly(AMA-co-HEMA) layer on hIgG adsorption were investigated in the developed systems, which exhibited high signal-to-noise response.
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Magneto-responsive hybrid materials based on cellulose nanocrystals

TL;DR: In this article, self-standing films of cellulose nanocrystals (CNC) and electrospun composite fibers with CNC and polyvinyl alcohol both with magnetic properties arising from cobalt iron oxide nanoparticles in the CNC matrix were fabricated.
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Asymmetric cellulose nanocrystals: thiolation of reducing end groups via NHS–EDC coupling

TL;DR: In this article, a mild asymmetric thiolation procedure was proposed as an efficient alternative to conventional reductive amination, and the adsorption of thiolated CNC onto gold surfaces as well as the viscoelastic property of the formed adlayer was investigated by using quartz crystal microgravimetry.
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High Axial Ratio Nanochitins for Ultrastrong and Shape-Recoverable Hydrogels and Cryogels via Ice Templating

TL;DR: High yield (>85%) and low-energy deconstruction of never-dried residual marine biomass is proposed following partial deacetylation and microfluidization, which results in chitin nanofibrils of ultrahigh axial size (nanochitin, NCh), one of the largest for bioderived nanomaterials.