Hydroxypropyl methylcellulose-TiO2 and gelatin-TiO2 nanocomposite films: Physicochemical and structural properties

Fonseca, Jéssica de Matos; Valencia, Germán Ayala; Soares, Lenilton Santos; Dotto, Marta Elisa Rosso; Campos, Carlos Eduardo Maduro de; Moreira, Regina de Fátima Peralta Muniz; Fritz, Alcilene Rodrigues Monteiro

doi:10.1016/j.ijbiomac.2019.11.082

Cited by 41 publications

(11 citation statements)

References 74 publications

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“…[18,30]. This result is consistent with studies by Fonseca et al (2020) [21], where a reduction in the solubility of J o u r n a l P r e -p r o o f the Gelatin-TiO 2 nanocomposites was observed from 69.13 ± 4.75 to 45.83 ± 0.94 (%) with the addition of 1% of TiO 2 and the previous study with kefiran-whey-protein-isolate and potato starch [16,43].…”

Section: Solubility In Watersupporting

confidence: 93%

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TiO2-enhanced chitosan/cassava starch biofilms for sustainable food packaging

Menezes

Leite

Santos

et al. 2021

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Section: Solubility In Watersupporting

confidence: 93%

“…hydroxypropyl methylcellulose/TiO 2 and gelatin/TiO 2 [21], and chitosan/TiO 2 to prolong the storage life of tomato [22] and mango fruits [23].…”

Section: Introductionmentioning

confidence: 99%

TiO2-enhanced chitosan/cassava starch biofilms for sustainable food packaging

Menezes

Leite

Santos

et al. 2021

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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“…However, a high amount of TiO 2 and an inhomogeneous dispersion through films negatively affects its physicochemical (thermal, mechanical, and water-barrier) properties. Furthermore, the CMC-TiO 2 showed antimicrobial activity against E. coli and S. aureus, associated with the reactive oxygen species (ROS) generation ability of TiO 2 with cell growth inhibition properties [21,36,79].…”

Section: Cellulose-tio 2 Hybrid Materialsmentioning

confidence: 99%

Use of Titanium Dioxide (TiO2) Nanoparticles as Reinforcement Agent of Polysaccharide-Based Materials

et al. 2020

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In recent years, a strong interest has emerged in polysaccharide-hybrid composites and their potential applications, which have interesting functional and technological properties. This review summarizes and discusses the reported advantages and limitations of the functionalization of conventional and nonconventional polysaccharides by adding TiO2 nanoparticles as a reinforcement agent. Their effects on the mechanical, thermal, and UV-barrier properties as well as their water-resistance are discussed. In general, the polysaccharide–TiO2 hybrid materials showed improved physicochemical properties in a TiO2 content-dependent response. It showed antimicrobial activity against bacteria (gram-negative and gram-positive), yeasts, and molds with enhanced UV-protective effects for food and non-food packaging purposes. The reported applications of functionalized polysaccharide–TiO2 composites include photocatalysts (dye removal from aqueous media and water purification), biomedical (wound-healing material, drug delivery systems, biosensor, and tissue engineering), food preservation (fruits and meat), cosmetics (sunscreen and bleaching tooth treatment), textile (cotton fabric self-cleaning), and dye-sensitized solar cells. Furthermore, the polysaccharide–TiO2 showed high biocompatibility without adverse effects on different cell lines, indicating that their use in food, pharmaceutical, and biomedical applications is safe. However, it is necessary to evaluate the structural changes promoted by the storage conditions (time and temperature) on the physicochemical properties of polysaccharide–TiO2 hybrid composites to guarantee their stability during a determined time.

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“…Moreover, the addition of TiO 2 (1% w/w of total solid content) in the gelatin film promoted an increase in its mechanical and thermal properties. It decreased water solubility, moisture uptake, water vapor permeability, and transparency due to the formation of hydrogen and Ti-O-C bonds and electrostatic interactions between protein and inorganic nanoparticles [12].…”

Section: Gelatin-tio 2 Hybrid Compositementioning

confidence: 99%

“…TiO 2 is an amphoteric, inert, non-toxic, biocompatible metal oxide that exhibited thermal and chemical stability for diverse applications with a relatively low cost of production [12]. The wide use of TiO 2 is to support its photocatalytic, adsorptive, UV-blocking, and antimicrobial properties [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Protein–TiO2: A Functional Hybrid Composite with Diversified Applications

et al. 2020

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Functionalization of protein-based materials by incorporation of organic and inorganic compounds has emerged as an active research area due to their improved properties and diversified applications. The present review provides an overview of the functionalization of protein-based materials by incorporating TiO2 nanoparticles. Their effects on technological (mechanical, thermal, adsorptive, gas-barrier, and water-related) and functional (antimicrobial, photodegradation, ultraviolet (UV)-protective, wound-healing, and biocompatibility) properties are also discussed. In general, protein–TiO2 hybrid materials are biodegradable and exhibit improved tensile strength, elasticity, thermal stability, oxygen and water resistance in a TiO2 concentration-dependent response. Nonetheless, they showed enhanced antimicrobial and UV-protective effects with good biocompatibility on different cell lines. The main applications of protein–TiO2 are focused on the development of eco-friendly and active packaging materials, biomedical (tissue engineering, bone regeneration, biosensors, implantable human motion devices, and wound-healing membranes), food preservation (meat, fruits, and fish oil), pharmaceutical (empty capsule shell), environmental remediation (removal and degradation of diverse water pollutants), anti-corrosion, and textiles. According to the evidence, protein–TiO2 hybrid composites exhibited potential applications; however, standardized protocols for their preparation are needed for industrial-scale implementation.

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Hydroxypropyl methylcellulose-TiO2 and gelatin-TiO2 nanocomposite films: Physicochemical and structural properties

Cited by 41 publications

References 74 publications

TiO2-enhanced chitosan/cassava starch biofilms for sustainable food packaging

TiO2-enhanced chitosan/cassava starch biofilms for sustainable food packaging

Use of Titanium Dioxide (TiO2) Nanoparticles as Reinforcement Agent of Polysaccharide-Based Materials

Protein–TiO2: A Functional Hybrid Composite with Diversified Applications

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