Suelen Goettems Kuntzler

University of Clermont Auvergne | Univ BPC · Institut Pascal

The use of biofertilizers is becoming an economical and environmentally friendly alternative to promote sustainable agriculture. Biochar from microalgae/cyanobacteria can be applied to enhance the productivity of food crops through soil improvement, slow nutrient absorption and release, increased water uptake, and long-term mitigation of greenhouse...

Soybean is a crucial source of food, protein, and oil worldwide that is facing challenges from biotic stresses. Infestation of Tetranychus urticae Koch (Acari: Tetranychidae) stands out as detrimentally affecting plant growth and grain production. Understanding soybean responses to T. urticae infestation is pivotal for unravelling the dynamics of m...

There are no reports of production and characterization of polysaccharides in the genera Chlorella and Spirulina cultivated in seawater (SW) and brackish groundwater (BGW). Furthermore, there are few studies on the cultivation of these microalgae in seawater for this purpose. Therefore, the aim of the study was to evaluate the production and compos...

Microalgae cultivation is a promising approach for producing high‐value‐added biomolecules such as polysaccharides. These compounds have a chemical composition that gives them a biological activity of economic impact in the pharmaceutical, cosmetic, and food industries. Thus, cultivation strategies allied to producing metabolites have been the inve...

The food industry has been seeking the use of bioactive compounds in packaging. These compounds increase the shelf life of foods and provide higher quality and safety to products. Thus, nanofiber encapsulation is considered a promising approach for food packaging. The electrospinningElectrospinning technique is an alternative for nanofibers product...

Microalgae are used in flocculation processes because biopolymers are released into the culture medium. Microalgal cell growth under specific conditions (temperature, pH, luminosity, nutrients, and salinity) provides the production and release of exopolysaccharides (EPS). These biopolymers can be recovered from the medium for application as biofloc...

Innovative technologies such as bionanocomposites have been developed for application in the agricultural sector, increasing crop productivity and improving soil quality. The use of nanomaterials in agriculture consists of seed coating, pest and disease control, controlled release of nanofertilizers, and the application of nanosensors. From these a...

Bio-composites are promising materials to be used as an alternative to composites. Weathering studies can evaluate the effects of the degradation on bio-composites properties. By accelerated weathering testing, it is possible to predict the durability of materials in a short time. Exposure to UV radiation, moisture, and temperature can cause leadin...

Polyhydroxybutyrate (PHB) is a hydrophobic material characterized by having a methyl as an alkyl substitution group. PHB is a biocompatible polymer, which results in it not being rejected by the body. Moreover, its assimilation generates nontoxic residues. This biodegradable polymer can be synthesized chemically or biologically. Several bacteria, c...

The indiscriminate and continuous use of chemical substances to control pathogens negatively impacts the environment and human health. In this sense, silver nanoparticles are promising materials to be used as sensors for pathogen detection or applied as a biocide to inhibit microbial growth in plant crops. The main characteristics of silver nanopar...

A colorimetric pH indicator was developed using nanofibers of poly(lactic acid) (PLA) and polyethylene oxide (PEO) combined with biomass of the microalga Spirulina sp. LEB 18. This study evaluates the potential use of microalgal biomass encapsulated in polymer nanofibers to develop a colorimetric pH indicator. Nanofibers containing the biomass were...

Electrospun chitosan/poly(ethylene oxide) nanofibers were synthetized, characterized and applied as alternative biosorbents to remove pigments from pretreated crude glycerol. The pigments removal efficiency of electrospun nanofibers was examined by comparing the adsorption capacity of nanofibers with other chitosan–based biosorbents. Pseudo–first o...

Industrial effluents containing heavy metals can have harmful effects on organisms and the ecosystem. Silver is a waste from textile, galvanic and photographic industries, and when released into the environment, it can harm human health and cause biological modification. Removal of metals, such as silver, has been traditionally carried out using ph...

Electrospun nanofibers can be formed with chitosan as the polymers found in biological sources have antibacterial ability. The objective of this work was to evaluate whether chitosan/polyethylene oxide (PEO) blend nanofibers containing microalgal phenolic compounds exhibit antibacterial activity. Nanofibers produced with a 3% chitosan/2% PEO blend...

Polymer nanofibers produced by electrospinning are promising for use in food packaging because of their nanometric diameter, which provides a barrier to external conditions above the possible incorporation of the active compounds. The microalga Spirulina sp. LEB 18 synthesizes bioproducts, such as polyhydroxybutyrate (PHB), which is biodegradable a...

This study was conducted to develop PCL nanofibers with the incorporation of microalgae biopeptides and to evaluate the stability of chicken meat cuts during storage. PCL and PCL/biopeptides nanofibers were formed by electrospinning method, and the diameters obtained were 404 and 438 nm, respectively. The tensile strength, elongation, melting tempe...

Polymeric nanofibers are materials that can be used as scaffolds in tissue engineering. Quercetin and curcumin are antioxidants because of scavenge free radicals and chelate metal ions properties, protecting tissues of lipid peroxidation. The objective of this study was to develop a scaffold with potential antioxidant activity that was produced fro...

Polymer nanofibers are nanomaterials that can be used as scaffolds in tissue engineering. The objective of this study was to develop, characterize and evaluate the In Vitro degradation of a biomaterial consisting of nanofibers produced from biodegradable and biocompatible polymers with potential applications as a scaffold for tissue regeneration an...