12 Result(s)
within
M. M. Castillo-Ortega
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Article
Synthesis of a novel pH-sensitive hydrogel based on poly(γ-glutamic acid) crosslinked with urea
Chemical hydrogel based on poly(γ-glutamic acid) obtained from Bacillus licheniformis (ATCC-9945a) and using urea as a crosslinking agent was synthesized. The hydrogel was characterized by infrared spectroscopy, ...
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Article
Chitosan hydrogels chemically crosslinked with L-glutamic acid and their potential use in drug delivery
Controlled drug release systems have the characteristics of eliminating or reducing side effects and producing a therapeutic concentration of the drug that is stable in the body. The synthesis of hydrogels fro...
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Article
Clindamycin-loaded nanofibers of polylactic acid, elastin and gelatin for use in tissue engineering
In the present work, polylactic acid (PLA), elastin and gelatin fibers, containing clindamycin, were prepared to test their potential application as wound dressings. They underwent release studies to determine...
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Article
Electrospun cellulose acetate fibers for the photodecolorization of methylene blue solutions under natural sunlight
Cellulose acetate (CA) fibers were obtained by electrospinning and their properties analyzed by scanning electron microscopy, Fourier-transform infrared spectroscopy, X-ray diffraction (XRD), differential scan...
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Article
Elaboration and characterization of P3HT–PEO–SWCNT fibers by electrospinning technique
In the present work, we report the preparation by the electrospinning technique and the characterization of poly(3-hexylthiophene)–polyethylene oxide–single wall carbon nanotubes (P3HT–PEO–SWCNT) fibers. The S...
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Article
Supercapacitor based on in situ chemical synthesis of polypyrrole on rubber substrate: preparation and characterization
A supercapacitor based on nitrile butadiene rubber substrate (NBR) and polypyrrole (PPy) was developed in this work. PPy was deposited on the surface of the substrate, NBR, which acts as a solid electrolyte in...
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Article
Development of microparticles from wheat glutenins by electrospray and potential application as controlled-release fertilizers
Development of microparticles based on natural polymers has been of interest for researchers due to their applications, such as release systems. Currently, one of the problems presented by agriculture worldwid...
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Article
Preparation of Electrically Conductive Polymeric Membranes
Cellulose acetate porous membranes, coated with polyaniline, were chemically modified with polyelectrolytes to produce films of varying and controlled porosity and electrical conductivity. The highest electric...
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Article
Chemochromic properties of neutral polyaniline throughout cholesterol exposure
This paper presents a novel biosensing platform for cholesterol accomplished by the spin-coating deposition of neutral polyaniline on poly(methyl methacrylate) support and the subsequent covalent immobilizatio...
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Article
Piezo-resistance effect in composite based on cross-linked polydimethylsiloxane and polyaniline: potential pressure sensor application
Composites that incorporate an electrically conducting filler, the hydrochloric polyaniline (PANI-Cl), into hydroxy-terminated polydimethylsiloxane (HO-PDMS) matrix were evaluated for DC electrical, mechanical...
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Article
pH- and temperature-sensitive semi-interpenetrating network hydrogels composed of poly(acrylamide) and poly(γ-glutamic acid) as amoxicillin controlled-release system
Hydrogels of semi-interpenetrating networks composed of poly(acrylamide) (PAAm) and poly(γ-glutamic acid) (γ-PGA) with different proportions were studied as potential amoxicillin controlled-release devices. Th...
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Article
Adsorption and desorption of a gold–iodide complex onto cellulose acetate membrane coated with polyaniline or polypyrrole: a comparative study
Cellulose acetate membranes (M1) with controlled thickness were coated with an electroconductive polymer, and the resulting composites were characterized by SEM, XPS, electrical conductivity, and mechanical me...
