Results 61 to 70 of about 96,377 (293)

Chitin modulates innate immune responses of keratinocytes. [PDF]

PLoS ONE, 2011
BACKGROUND: Chitin, after cellulose the second most abundant polysaccharide in nature, is an essential component of exoskeletons of crabs, shrimps and insects and protects these organisms from harsh conditions in their environment.
Barbara Koller, Alisa Sophie Müller-Wiefel, Rudolph Rupec, Hans Christian Korting, Thomas Ruzicka   +4 more
doaj   +1 more source

Chitin Determination in Residual Streams Derived From Insect Production by LC-ECD and LC-MS/MS Methods

Frontiers in Sustainable Food Systems, 2021
Chitin, a biopolymer present in fungi and arthropods, is a compound of interest for various applications, such as in the agricultural and medical fields.
Azkia Nurfikari, Azkia Nurfikari, Wietse de Boer, Wietse de Boer   +3 more
doaj   +1 more source

Extraction, physicochemical characterization, and morphological properties of chitin and chitosan from cuticles of edible insects.

Food Chemistry, 2020
As an alternative, cuticles from edible insects was proposed as an unconventional but viable source of chitin and chitosan. The chitin present in the mealworm's (Tenebrio molitor) cuticles was obtained biotechnologically in one step of enzymatic ...
Andressa Jantzen da Silva Lucas, Eliézer Quadro Oreste, Helena Leão Gouveia Costa, Héctor Martín López, Carolina Dias Medeiros Saad, C. Prentice   +5 more
semanticscholar   +1 more source

Bioprinting Organs—Science or Fiction?—A Review From Students to Students

Advanced Healthcare Materials, EarlyView.
Bioprinting artificial organs has the potential to revolutionize the medical field. This is a comprehensive review of the bioprinting workflow delving into the latest advancements in bioinks, materials and bioprinting techniques, exploring the critical stages of tissue maturation and functionality.
Nicoletta Murenu, Camilla Mussoni, Mateo S. Andrade Mier, Paula Buettner, Nathaly Chicaiza‐Cabezas, Yi‐Yu Robin Dai, Jessica Faber, Maren Fiedler, Zan Lamberger, Xuen Jen Ng, Vanessa Moessler, Anna Rederer, Jonas Roeder, Sabrina Stecher, Katinka Theis, Jeanette Weigelt, Silvia Budday, Gregor Lang, Natascha Schaefer   +18 more
wiley   +1 more source

Enzymatic Modifications of Chitin, Chitosan, and Chitooligosaccharides

Frontiers in Bioengineering and Biotechnology, 2019
Chitin and its N-deacetylated derivative chitosan are two biological polymers that have found numerous applications in recent years, but their further deployment suffers from limitations in obtaining a defined structure of the polymers using traditional ...
M. Kaczmarek, Katarzyna Struszczyk-Świta, Xingkang Li, M. Szczęsna-Antczak, M. Daroch   +4 more
semanticscholar   +1 more source

Crab vs. Mushroom: A Review of Crustacean and Fungal Chitin in Wound Treatment

Marine Drugs, 2020
Chitin and its derivative chitosan are popular constituents in wound-treatment technologies due to their nanoscale fibrous morphology and attractive biomedical properties that accelerate healing and reduce scarring.
Mitchell P. Jones, M. Kujundžić, S. John, A. Bismarck   +3 more
semanticscholar   +1 more source

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

Advanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa, Gracia Mendoza, Silvia Irusta, Manuel Arruebo   +3 more
wiley   +1 more source

Distinct cellular and molecular mechanisms contribute to the specificity of the two Drosophila melanogaster chitin synthases in chitin deposition.

PLoS Genetics
Chitin is a major component of arthropod extracellular matrices, including the exoskeleton and the midgut peritrophic matrix. It plays a key role in the development, growth and viability of insects.
Joan Bertran-Mas, Ettore De Giorgio, Nicolás Martín, Marta Llimargas   +3 more
doaj   +1 more source

The influence of chitin structure on its enzymatic deacetylation

Chemical and Process Engineering, 2016
The possibility of producing chitosan by enzymatic deacetylation of chitin has been the subject of numerous investigations over the last twenty years, but to date no satisfactory method has been developed.
Jaworska Malgorzata M., Roberts George A.F.   +1 more
doaj   +1 more source

Chitin Hydrogels Prepared at Various Lithium Chloride/N,N-Dimethylacetamide Solutions by Water Vapor-Induced Phase Inversion

Journal of Chemistry, 2020
Chitin was chemically extracted from crab shells and then dissolved in N,N-dimethylacetamide (DMAc) solvent with lithium chloride (LiCl) at 3, 5, 7, and 10%. The concentrated chitin-DMAc/LiCl solutions were used for the preparation of chitin hydrogels by
Khoa Dang Nguyen, Takaomi Kobayashi
doaj   +1 more source