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Electrospinning of Fish Gelatin Solution Containing Citric Acid: An Environmentally Friendly Approach to Prepare Crosslinked Gelatin Fibers
(MDPI, 2019-09-01)
The majority of the crosslinking approaches employed to confer water resistance properties to electrospun gelatin mats are based on the use of potential cytotoxic agents, turning out to be not suitable for biomedical ...
Genome sequence and characterization of the bcs clusters for the production of nanocellulose from the low pH resistant strain Komagataeibacter medellinensis ID13488
(Wiley, 2019-02-22)
Komagataeibacter medellinensis ID13488 (formerly Gluconacetobacter medellinensis ID13488) is able to produce crystalline bacterial cellulose (BC) under high acidic growth conditions. These abilities make this strain desirable ...
Characterisation of bark of six species from mixed Atlantic forest
(Elsevier, 2019-10)
[EN] Bark is one of the most available by-product derived from the wood-base industry because of the total volume of the tree that comprised. This study aimed at evaluating the chemical composition of barks of six typical ...
Direct lignin depolymerization process from sulfur-free black liquors
(Elsevier, 2019-09-03)
Agricultural residues (olive tree pruning and almond shell) were subjected to different delignification treatments (organosolv and soda) and the obtained liquors were treated in a high-pressure reactor at 300 °C for 80 min ...
Gas reactions under intrapore condensation regime within tailored metal–organic framework catalysts
(Springer Nature, 2019-05-06)
[EN] roduction of 1-butene, a major monomer in polymer industry, is dominated by homogeneous protocols via ethylene dimerization. Homogeneous catalysts can achieve high selectivity but require large amounts of activators ...
Liquefaction of Kraft Lignin at Atmospheric Pressure
(Tech Science Press, 2019)
[EN]Kraft lignin was liquefied using polyethylene glycol #400 (PEG) and
glycerol (G) in a weight ratio of 80/20 (w/w) and sulphuric acid (SA) as catalyst
under atmospheric pressure at 160ºC. The three independent variables: ...
Liquefaction of Kraft lignin using polyhydric alcohols and organic acids as catalysts for sustainable polyols production
(Elsevier, 2019)
[EN]In this work, three different organic acid catalysts, (acetic acid, lactic acid and citric acid), are proposed as an
alternative to common catalysts used in the liquefaction process of Kraft lignin. These organic acids ...
Optimizing the extraction process of natural antioxidants from chardonnay grape marc using microwave-assisted extraction
(2019-03-21)
The aim of this work was to extract phenolic compounds from Chardonnay grape marc employing a
microwave-assisted extraction (MAE). Firstly, the effect of solvent concentration (30–60%), solid mass
(1.0–2.0 g) and extraction ...