Sergio A. Ojeda-Piedra

ORCID: 0000-0001-6569-892X
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Research Areas
  • Nanocomposite Films for Food Packaging
  • Microencapsulation and Drying Processes
  • Meat and Animal Product Quality
  • Essential Oils and Antimicrobial Activity
  • Collagen: Extraction and Characterization
  • Electrospun Nanofibers in Biomedical Applications
  • Dyeing and Modifying Textile Fibers
  • Graphene and Nanomaterials Applications
  • Advanced Chemical Sensor Technologies
  • Nanoparticles: synthesis and applications
  • Silk-based biomaterials and applications
  • Coconut Research and Applications

Universidad de Cuautitlán Izcalli
2021-2024

Universidad Nacional Autónoma de México
2021-2024

Abstract Nanostructures are usually formed by solvent dissolution, but this paper proposes a green-chemistry method for thymol nano-encapsulation based on chitosan–gelatin bio-copolymer matrix formation that enhances the physical stability to obtain thymol-modified release system, with antioxidant capacity. Various ratios of chitosan–gelatin, gelatin types A and B, crosslinkers were evaluated at constant concentration 0.5 mg/ml. Gallic acid was chosen as crosslinker. All batches...

10.1007/s11947-023-03240-9 article EN cc-by Food and Bioprocess Technology 2023-10-31

The objective of this study was to prepare zein–gum Arabic nanocapsules with rosehip oil (NC-RH), apply them pork tenderloin, and analyze the changes in collagen structure under different conditions (pH 6.5 4.0) temperatures (25 °C 4 °C). NC-RHs were prepared using nanoprecipitation method. Nanocapsules had a particle size 423 ± 4.1 nm, polydispersity index 0.125 3.1, zeta potential value −20.1 0.41 mV, an encapsulation efficiency 75.84 3.1%, backscattering (ΔBS = 10%); antioxidant capacity...

10.3390/app14104276 article EN cc-by Applied Sciences 2024-05-17

Solid lipid nanoparticles (SLN) based on candelilla wax were prepared using the hot homogenization technique. The resulting suspension had monomodal behavior with a particle size of 809-885 nm; polydispersity index < 0.31, and zeta potential -3.5 mV 5 weeks after monitoring. films SLN concentrations 20 60 g/L, each plasticizer concentration 10 30 g/L; polysaccharide stabilizers used either xanthan gum (XG) or carboxymethyl cellulose (CMC) at 3 g/L. effects temperature, film composition,...

10.3390/polym15051209 article EN Polymers 2023-02-27
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