Bioplásticos

Bioplásticos

H2O2 feeding enables LPMO?assisted cellulose saccharification during simultaneous fermentative production of lactic acid
05/12/2022 - Simultaneous saccharification and fermentation (SSF) is a well?known strategy for valorization of lignocellulosic biomass. Because the fermentation process typically is anaerobic, oxidative enzymes...
Orthogonally crosslinked alginate conjugate thermogels with potential for cell encapsulation
- Hydrogels with more than one mode of crosslinking have gained interest due to improved control over hydrogel properties such as mechanical strength using multiple stimuli. In this work, sodium...
High-level production of pullulan from high concentration of glucose by mutagenesis and adaptive laboratory evolution of Aureobasidium pullulans
- The cost of carbon sources and the low efficiency of the fermentation titer limit the industrial application of pullulan. In this study, a hypertonic-tolerant strain with efficient utilization of...
Indole acetylated high-amylose maize starch: Synthesis, characterization and application for amelioration of colitis
- Tryptophan metabolites such as indole-3-acetic acid (IAA) are critical for gut health, through their binding to the aryl hydrocarbon receptor (AhR), and may be useful for treatment of...
Molecular Mechanism of Substrate Oxidation in Lytic Polysaccharide Monooxygenases: Insight from Theoretical Investigations
05/12/2022 - Lytic polysaccharide monooxygenases (LPMO) are copper dependent enzymes that boost the breakdown of cellulose and other recalcitrant polysaccharides through a catalytic, oxidative reaction. However,...
Combining chitin biological conduits with injectable adipose tissue-derived decellularised matrix hydrogels loaded with adipose-derived mesenchymal stem cells for the repair of peripheral nerve defects in rats
- Mesenchymal stem cells (MSCs) have shown potential for the repair of defective tissues and peripheral nerve injuries. However, local treatment alone may lead to cell loss, low viability, and...
Transforming municipal cotton waste into a multilayer fibre biocomposite with high strength
- We analyzed the problematic textile fiber waste as potential precursor material to produce multilayer cotton fiber biocomposite. The properties of the products were better than the current dry...
The effect of Fe–Zn mole ratio (2:1) bimetallic nanoparticles supported by hydroxyethyl cellulose/graphene oxide for high-efficiency removal of doxycycline
- In this research, Hydroxyethyl cellulose – graphene oxide HEC-GO and HEC-GO/Fe–Zn mole ratio (2:1) nanocomposite as adsorbents were fabricated by crosslinking ethylene glycol dimethacrylate...
The Effects of Soluble Dietary Fibers on Glycemic Response: An Overview and Futures Perspectives
06/12/2022 - The properties of each food, composition, and structure affect the digestion and absorption of nutrients. Dietary fiber (DF), especially viscous DF, can contribute to a reduction in the glycemic...
Utilization of Bioflocculants from Flaxseed Gum and Fenugreek Gum for the Removal of Arsenicals from Water
06/12/2022 - Mucilage-based flocculants are an alternative to synthetic flocculants and their use in sustainable water treatment relates to their non-toxic and biodegradable nature. Mucilage extracted from...
Antiviral Properties against SARS-CoV-2 of Nanostructured ZnO Obtained by Green Combustion Synthesis and Coated in Waterborne Acrylic Coatings
06/12/2022 - The COVID-19 pandemic has increased the need for developing disinfectant surfaces as well as reducing the spread of infections on contaminated surfaces and the contamination risk from the fomite...
Relation of Chemical Composition and Colour of Spruce Wood
06/12/2022 - The visual inspection of fresh cut spruce wood (Picea abies, L. Karst.) showed the variability of its colour. Wood visual inspection is a part of wood quality assessment, for example, prior to or...
Prospects of Biogenic Xanthan and Gellan in Removal of Heavy Metals from Contaminated Waters
06/12/2022 - Biosorption is considered an effective technique for the treatment of heavy-metal-bearing wastewaters. In recent years, various biogenic products, including native and functionalized biopolymers,...
A Novel Method to Detoxify Steam-Exploded Biomass and Produce a Substrate for Biorefinery
06/12/2022 - Pre-treatments at relatively high temperatures (range 160 °C–220 °C) are currently used to transform lignocellulosics into biofuels and chemicals. In this step,...
Enhancement of Digestion Resistance and Glycemic Control of Corn Starch through Conjugation with Gallic Acid and Quercetin Using the Free Radical Grafting Method
06/12/2022 - The objective of this study was to synthesize different polyphenol–corn starch complexes including gallic acid–starch and quercetin–starch by conjugating...
An Investigation on the Potential of Cellulose for Soil Stabilization
06/12/2022 - The construction industry remains a significant contributor to global carbon emissions. Several sustainable alternatives have emerged to overcome this issue in geotechnical engineering. In this...
A Biomass?Ligand?Based Ru(III) Complex as a Catalyst for Cycloaddition of CO2 and Epoxides to Cyclic Carbonates and a Study of the Mechanism
04/12/2022 - Aimed on high efficient conversion of greenhouse gas CO2 to cyclic carbonates, an biomass Ru(III) Schiff base complex catalyst (SalRu) was constructed by employing a derivative of Lignin degradation...
Optimization of Cellulosic Fiber Extraction from Parsley Stalks and Utilization as Filler in Composite Biobased Films
05/12/2022 - Food waste is an abundant source of cellulose which can be extracted via mild alkali treatment. The extraction conditions of cellulose fibers can be optimized for reduced chemical and energy use and...
Electrical Resistivity and Microwave Properties of Carbon Fiber Felt Composites
05/12/2022 - We present studies on the microwave properties, electrical resistivity, and low-frequency (10 Hz–20 kHz) noise characteristics in the temperature range of 78 K to 380 K of composite...
Facile Fabrication of Superhydrophobic and Flame-Retardant Coatings on Cotton Fabrics
05/12/2022 - The hydrophilicity and inherent flammability of cotton textiles severely limit their usage. To solve these drawbacks, a superhydrophobic and flame-retardant (SFR) coating made of chitosan (CH),...
Polyurethane Adhesives Based on Oxyalkylated Kraft Lignin
05/12/2022 - Lignin-based polyol was obtained via oxyalkylation reaction with propylene carbonate using eucalyptus kraft lignin isolated from the industrial cooking liquor by the Lignoboost®...