In this research work, silica nanoparticles and silica-gentamicin nanostructured solution were synthesized by using the microwave-assisted synthesis, in basic medium, two silane precursors (tetraethylorthosilicate octyltriethoxysilane) antibiotic (gentamicin sulfate). The prepared materials characterized through Fourier transform infrared (FTIR) spectroscopy, TGA analysis, transmission electron microscopy (TEM), atomic force (AFM) to investigate morphology structure. Antimicrobial studies of...

The recent development of several methods for extracting curcumin from the root plant Curcuma longa has led to intensified research on properties and its fields application. Following studies accreditation as a natural compound with antifungal, antiviral, antibacterial properties, new application have been developed in two main directions—food medical, respectively. This review paper aims synthesize an additive prevention spoilage, safety, quality food. Simultaneously, it present products...

Cellulose is a versatile biopolymer increasingly applied in medicine and industry due to its biodegradability biocompatibility, along with the renewability large availability of source materials. However, finding simple, eco-friendly, effective methods modify cellulose provide it new functionalities remains challenge. This work presents new, inexpensive, eco-friendly method chemically microcrystalline (MCC) by submerged cold plasma treatment an aqueous suspension MCC containing different...

Textile materials with fluorescent, repellent, or antimicrobial properties are increasingly used in common applications. Obtaining multi-functional coatings is of wide interest, especially for applications related to signaling the medical field. In order increase performance (color properties, fluorescence lifetime, self-cleaning properties) textile special uses, a series research was carried out regarding modification surfaces nanosols. this study, multiple were obtained by depositing...

A series of poly(butylene sebacate) (PBSe) aliphatic polyesters were successfully synthesized by the melt polycondensation sebacic acid (Se) and 1,4-butanediol (BDO), two monomers manufactured on an industrial scale from biomass. The number average molecular weight (Mn) in range 6116 to 10,779 g/mol glass transition temperature (Tg) PBSe tuned adjusting feed ratio between monomers. Polylactic (PLA)/PBSe blends with concentrations 2.5 20 wt% obtained compounding. For first time, PBSe’s effect...

Transparent and antireflective coatings were prepared by deposition of modified silica materials onto polyvinyl chloride (PVC) substrates. These obtained the sol-gel route in acidic medium, at room temperature (25 °C), using different alkoxysilanes with various functional groups (methyl, vinyl, octyl or hexadecyl). Physicochemical microstructural properties resulted thin investigated through Fourier Transforms Infrared Spectroscopy (FTIR), UV-Vis spectroscopy, Thermal Gravimetric Analysis...

In the textile, medical, and food industries, many of applications have targeted use textile fabrics with antimicrobial properties. Obtaining eco-friendly coatings is wide interest, especially for related to wound dressing or packaging. order obtain properties through environmentally friendly methods, a series experiments were carried out on natural polymers loaded silver nanoparticles. this study, obtained by depositing composites based rice flour, carob alginate cotton fabrics. These...

Natural clay minerals are among the most versatile materials used in biomedical field. Palygorskite has found various applications this field, from treatment of diarrheal diseases past to with antibacterial properties and platforms carrying bioactive compounds diseases, cosmetic healthcare products present. In study, a possible delivery method some asymmetric β-diketonic is presented. modified amphionic groups (P) copper ions (PCu) was as platform load curcumin derivatives (1 2). By varying...

In recent years, algae have emerged as a promising feedstock for biofuel production, due to their eco-friendly, sustainable, and renewable nature. Various methods, including chemical, biochemical, thermochemical processes, are used convert algal biomass into biofuels. Pyrolysis, widely recognized technique, involves high temperature pressure generate biochar bio-oil from diverse sources. pyrolytic processes transform bio-oil, low pyrolysis, fast catalytic microwave-assisted hydropyrolysis....

The study presents the results regarding photocatalytic behavior of some water-based styrene-acrylic coatings containing TiO2 nanoparticles sensitized with metal-phthalocyanine tetracarboxylic acids. Coating materials have been studied in terms color characteristics, behavior, and resistance to self-degradation depending on structure phthalocyanine sensitizers. Coatings that were exposed Xenon light showed degradation organic sensitizer rather than binder. Photocatalytic tests using...

In this research, we report a simple and inexpensive way to prepare transparent hydrophobic hybrid coatings through deposition of different silica materials on polyvinyl chloride (PVC) substrates. The were prepared using an acid-catalyzed sol–gel method at room temperature (25 ± 2 °C), alkoxysilanes: tetraethoxysilane (TEOS), as the source, ethoxydimethylvinylsilane (DMVES), triethoxyoctylsilane (OTES), trimethoxyhexadecylsilane (HDTMES), modifier agents. obtained characterized (either...

The therapeutic effects of curcumin and its derivatives, based on research in recent years, are limited by their low bioavailability. To improve bioavailability develop the medical field application, different delivery systems have been developed that adapted to certain environments or proposed target type. This study presents some half-curcuminoids prepared condensation acetylacetone with 4-hydroxybenzaldehyde (C1), 4-hydroxy-3-methoxybenzaldehyde (C2), 4-acetamidobenzaldehyde (C3),...

The growing interest in materials derived from biomass has generated a multitude of solutions for the development new sustainable with low environmental impact. We report here, first time, strategy to obtain bio-based nanocomposites epoxidized linseed oil (ELO), itaconic acid (IA), and surface-treated nanofibrillated cellulose (NC). effect functionalized silane (NC/S) then grafted methacrylic (NC/SM) on properties resulted epoxy systems was thoroughly investigated. differential scanning...

This paper compares two types of polylactic acid (PLA) coating on AZ31 alloy obtained by dip and electrospinning. Both were loaded with gentamicin sulphate (GS) the drug-loading efficiency release assessed. A higher encapsulation GS was seen for (73% 49.53%, respectively) compared to nanofiber (65% 12.37%, respectively). Furthermore, antibacterial effect samples without assessed using Gram-negative (Escherichia coli) Gram-positive (Staphylococcus aureus) bacteria, showing that drug...

Seven curcumin derivatives were synthesized by an ecological method, in a microwave field. The compounds obtained purified and characterized means of elemental analysis, UV-VIS, fluorescence, IR, 1H-NMR 13C-NMR spectroscopy. Structure-property relationship the b-diketone are discussed with respect to structure nature substituents for possible applications optical sensors luminescent materials.

The recent development of the “eco-friendly” current has brought to attention researchers natural dyes that are biodegradable, do not cause allergies and generally have anti-UV protection, antioxidant antibacterial properties. In this study, we aimed obtain hybrid materials dye–host matrix type, by using sol–gel process. silica network was generated tetraethylorthosilicates modified with organic siloxane derivatives: phenyltriethoxysilane, 3-glycidoxypropyltriethoxysilane,...

Clays are very important from an economic and application point of view, as they suitable hosts for organic compounds. In order to diversify the fields application, structurally modified by physical or chemical methods with cationic species, and/or different bifunctional compounds, such organosilanes. this study, palygorskite was (3-Aminopropyl) triethoxysilane, which subsequently at amino group grafting acetate residue. By using strategy, two types host hybrid materials were obtained on...

In recent years, various coatings based on fluorinated materials, used in a commercial application, have been created through many preparation routes. However, the techniques utilized to realize these required either expensive and complex equipment, imply multiple manufacturing steps, or are time- cost-consuming. this paper, major target was develop hybrid presenting sustainable hydrophobicity good transparency simultaneously. The sol–gel method proposed obtain because it does not require...