Value-added organonitrogen chemicals evolution from the pyrolysis of chitin and chitosan.
Sign Up to like & getrecommendations! Published in 2017 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2016.09.024
Abstract: Thermogravimetric characteristics of chitin and chitosan and their potentials to produce value-added organonitrogen chemicals were separately evaluated via TG/DSC-FTIR and Py-GC/MS. Results shown that chitin had the better thermal stability and higher activation energy than… read more here.
Keywords: pyrolysis; organonitrogen chemicals; added organonitrogen; value added ... See more keywords
Comments on "Solubility parameter of chitin and chitosan" Carbohydrate Polymers 36 (1998) 121-127.
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DOI: 10.1016/j.carbpol.2017.07.079
Abstract: Results on the solubility parameters of chitin and chitosan presented in the paper DOI: 10.1016/S0144-8617(98)00020-4 were recalculated and data evaluation was redone. A number of misprints, erroneous calculations and data evaluations were found with respect… read more here.
Keywords: carbohydrate polymers; solubility parameter; chitin chitosan; parameter chitin ... See more keywords
Chemical Extraction and Modification of Chitin and Chitosan from Shrimp Shells
Sign Up to like & getrecommendations! Published in 2021 at "European Polymer Journal"
DOI: 10.1016/j.eurpolymj.2021.110709
Abstract: Abstract Chitin-based materials are one of the most promising abundant polysaccharide biopolymers for developing constructs with advanced functions due to their unique properties; especially in biomedical science and technology. They have versatile applications in pharmaceuticals… read more here.
Keywords: chitin; shrimp shells; chitosan shrimp; extraction ... See more keywords
β-Chitin and chitosan from squid gladius: Biological activities of chitosan and its application as clarifying agent for apple juice.
Sign Up to like & getrecommendations! Published in 2017 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2017.06.107
Abstract: Chitin is the second most abundant polysaccharide in biomass after cellulose and the term chitosan usually refers to a family of polymers obtained after chitin deacetylation. The aim of this work was the preparation and… read more here.
Keywords: clarifying agent; chitin chitosan; chitosan; gladius ... See more keywords
Properties of chitin and chitosan extracted from silkworm pupae and egg shells.
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DOI: 10.1016/j.ijbiomac.2020.07.161
Abstract: Chitin and chitosan from silkworm pupae and egg shells show distinct properties with excellent antimicrobial properties and cytocompatiblity. Spent silkworm pupae and hatched egg shells are discarded as waste but contain valuable carbohydrates, proteins and… read more here.
Keywords: pupae egg; chitin chitosan; egg; pupae ... See more keywords
Obtaining chitin, chitosan and their melanin complexes from insects.
Sign Up to like & getrecommendations! Published in 2020 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2020.11.086
Abstract: Interest in insects as a source of valuable biologically active substances has significantly increased over the past few years. Insects serve as an alternative source of chitin, which forms up to 40% of their exoskeleton.… read more here.
Keywords: insects; melanin complexes; chitosan melanin; chitin chitosan ... See more keywords
Quantifying the Contribution of the Dispersion Interaction and Hydrogen Bonding to the Anisotropic Elastic Properties of Chitin and Chitosan.
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DOI: 10.1021/acs.biomac.1c01488
Abstract: The elastic tensors of chitin and chitosan allomorphs were calculated using density functional theory (DFT) with and without the dispersion correction and compared with experimental values. The longitudinal Young's moduli were 114.9 or 126.9 GPa… read more here.
Keywords: hydrogen bonding; dispersion correction; dispersion; hydrogen ... See more keywords
Fluorescence control of chitin and chitosan fabricated via surface functionalization using direct oxidative polymerization
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DOI: 10.1039/c8ra00287h
Abstract: The copolymer of 3-hexylthiophene (3HT) and fluorene (F) was directly grafted onto chitin and chitosan using FeCl3 as an oxidant. The properties of the grafted chitin/chitosan were characterized by Fourier transform infrared (FT-IR) spectroscopy, UV-Vis… read more here.
Keywords: fluorene; fluorescence; spectroscopy; chitin chitosan ... See more keywords
The Amendment with Chitin and/or Chitosan Improves the Germination and Growth of Lycopersicon esculentum L., Capsicum annuum L. and Solanum melongena L.
Sign Up to like & getrecommendations! Published in 2020 at "Indian journal of agricultural research"
DOI: 10.18805/ijare.a-452
Abstract: Background: Chitin and chitosan are natural products extracted from shrimp shells. They are non-toxic, biocompatible and biodegradable which favors many applications in agricultural domain. Moreover, chitin and chitosan are known as stimulators of photosynthetic rates… read more here.
Keywords: chitin; germination growth; growth lycopersicon; chitin chitosan ... See more keywords
Fishery waste valorization: Sulfated ZrO2 as a heterogeneous catalyst for chitin and chitosan depolymerization
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2022.1057461
Abstract: Chitin and chitosan are abundant unique sources of biologically-fixed nitrogen mainly derived from residues of the fishery productive chain. Their high potential as nitrogen-based highly added-value platform molecules is still largely unexploited and a catalytic… read more here.
Keywords: chitin; depolymerization; chitin chitosan; valorization ... See more keywords
Can Chitin and Chitosan Replace the Lichen Evernia prunastri for Environmental Biomonitoring of Cu and Zn Air Contamination?
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DOI: 10.3390/biology9090301
Abstract: This study compared the ability of the lichen Evernia prunastri, chitin and chitosan to take up Cu2+ and Zn2+. It was hypothesized that chitin and chitosan have an accumulation capacity comparable to the lichen, so… read more here.
Keywords: lichen evernia; evernia prunastri; prunastri; chitin chitosan ... See more keywords