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1. A 3D printable dynamic nanocellulose/nanochitin self-healing hydrogel and soft strain sensor

Author:
Pejman Heidarian; Saleh Gharaie; Hossein Yousefi; Mariana Paulino; Akif Kaynak; Russell Varley; Abbas Z. Kouzani
Source:
Carbohydrate polymers 2022 v.291 pp. 119545
ISSN:
0144-8617
Subject:
ambient temperature; biocompatibility; cellulose; cellulose nanofibers; chitin; chitosan; crosslinking; hydrogels; hydrogen; imines; tannins
Abstract:
... Presented here is the synthesis of a 3D printable nano-polysaccharide self-healing hydrogel for flexible strain sensors. Consisting of three distinct yet complementary dynamic bonds, the crosslinked network comprises imine, hydrogen, and catecholato-metal coordination bonds. Self-healing of the hydrogel is demonstrated by macroscopic observation, rheological recovery, and compression measurements. ...
DOI:
10.1016/j.carbpol.2022.119545

2. Adsorption of the dye Acid Blue 158 premetalized with chromium on chitin/chitosan

Author:
Malgorzata M. Jaworska; Urszula Filipkowska; Zofia Modrzejewska
Source:
Carbohydrate polymers 2022 v.298 pp. 120122
ISSN:
0144-8617
Subject:
adsorption; chitin; chitosan; chromium; dyes; fabrics; leather; models; sorption isotherms
Abstract:
... Removal of the premetalized dyes from the effluents of textile and leather industries is still open. The work aims to investigate functional groups taking part in the sorption of premetalized dye Acid Blue 158:Cr on chitin/chitosan and to investigate the mechanism of the sorption. The process was spontaneous (negative value of the Gibbs function), endothermic (ΔH = 0.2679 kJ/mol) with an affinity ...
DOI:
10.1016/j.carbpol.2022.120122

3. Adsorption properties of heavy metals and antibiotics by chitosan from larvae and adult Trypoxylus dichotomus

Author:
Qiushi Jiang; Zhaolian Han; Weiping Li; Tingxu Ji; Yafeng Yuan; Junjie Zhang; Chunli Zhao; Zhiqiang Cheng; Song Wang
Source:
Carbohydrate polymers 2022 v.276 pp. 118735
ISSN:
0144-8617
Subject:
Trypoxylus dichotomus; adsorption; chitin; chitosan; levofloxacin; models; molecular weight; nanofibers; sulfamethoxazole; tetracycline
Abstract:
... Chitosan was prepared by hydrothermal deacetylation from multi-step protein purification chitin based on Trypoxylus dichotomus, for treating heavy metals and antibiotics. Chitosan with higher deacetylation degree and lower molecular weight were synthesized. The adult chitosan was composed of nanofibers arranged more evenly, showing higher yield, thermal stabilities and antimicrobial properties. Th ...
DOI:
10.1016/j.carbpol.2021.118735

4. Antimicrobial effects of chitosan and garlic against Salmonella spp., Escherichia coli O157:H7, and Listeria monocytogenes in hummus during storage at various temperatures

Author:
Tareq M. Osaili; Anas A. Al‐Nabulsi; Fayeza Hasan; Amin N. Olaimat; Sadi Taha; Mutamed Ayyash; Dima S. Nazzal; Ioannis N. Savvaidis; Reyad S. Obaid; Richard Holley
Source:
Journal of food science 2022 v.87 no.2 pp. 833-844
ISSN:
0022-1147
Subject:
Escherichia coli O157; Listeria monocytogenes; Salmonella; antimicrobial properties; biopolymers; chitin; chitosan; food science; garlic; taste
Abstract:
... The study aimed to evaluate the antimicrobial activity of 0.5 or 1% (w/w) chitosan and 1% (w/w) garlic against Salmonella spp., Escherichia coli O157:H7 and Listeria monocytogenes in hummus dip stored at 4, 10, or 25°C for 28, 21, or 7 days, respectively. In hummus without garlic, at all storage temperatures and storage periods, 0.5% chitosan decreased Salmonella spp., E. coli O157:H7, and L. mono ...
DOI:
10.1111/1750-3841.16025

5. Application of chitosan in the form of textile: production and sourcing

Author:
Xue Luo; Mei Yu Yao; Li Li
Source:
Textile research journal 2022 v.92 no.19-20 pp. 3522-3533
ISSN:
1746-7748
Subject:
chitin; chitosan; fabrics; fineness; hardness; macroalgae; markets; product development; textile industry
Abstract:
... Chitosan material has multiple functions that attract attention from the textile industry, while textile structures make the biocompatible, osteo-conductive and resorbable material promising in a wide range of applications. When the material becomes fibers, the resulting length, strength, fineness and softness would grant the material functions such as structure capacity and a layering system. How ...
DOI:
10.1177/00405175221080694

6. Bioactive properties of insect products for monogastric animals – a review

Author:
T. Veldkamp; L. Dong; A. Paul; C. Govers
Source:
Journal of insects as food and feed 2022 v.8 no.9 pp. 1027-1040
ISSN:
2352-4588
Subject:
antibiotic resistance; antimicrobial peptides; antioxidant activity; aquaculture; chitin; chitosan; dodecanoic acid; feed composition; feeds; glycine (amino acid); insect proteins; insects; poultry
Abstract:
... Insects or products derived from insects are considered as a valuable feed ingredient for aquaculture, poultry, and pigs but also exert possible secondary effects of health stimulators in livestock as reported in literature. Health benefits attributed to insects can create additional value in the insect chain. Three categories of bioactive compounds in insects are reported in this desk study: anti ...
DOI:
10.3920/JIFF2021.0031

7. Biocontrol Potential of Chitin and Chitosan Extracted from Black Soldier Fly Pupal Exuviae against Bacterial Wilt of Tomato

Author:
Violah Jepkogei Kemboi; Carolyne Kipkoech; Moses Njire; Samuel Were; Mevin Kiprotich Lagat; Francis Ndwiga; John Mwibanda Wesonga; Chrysantus Mbi Tanga
Source:
Microorganisms 2022 v.10 no.1 pp. -
ISSN:
2076-2607
Subject:
Hermetia illucens; Ralstonia solanacearum; bacterial wilt; biological control; chitin; chitosan; disease incidence; disease severity; integrated pest management; integument; pathogenicity; pupae; raw materials; soil; tomatoes
Abstract:
... Globally, Ralstonia solanacearum (Smith) is ranked one of the most destructive bacterial pathogens inducing rapid and fatal wilting symptoms on tomatoes. Yield losses on tomatoes vary from 0 to 91% and most control measures are unaffordable to resource-poor farmers. This study investigated the antimicrobial activities of chitin and chitosan extracted from black soldier fly (BSF) pupal exuviae agai ...
DOI:
10.3390/microorganisms10010165

8. Biophysical characterization of the recombinant chitinase chi18-5 with potential biotechnological interest

Author:
Martín Eduardo Villanueva; María Angel da Silva; José Luis Barra; Guillermo Gabriel Montich; Ismael Dario Bianco; Silvina R. Salinas
Source:
Applied microbiology and biotechnology 2022 v.106 no.3 pp. 1185-1197
ISSN:
0175-7598
Subject:
Fourier transform infrared spectroscopy; Trichoderma atroviride; Trichoderma harzianum; biotechnology; chitin; chitinase; chitooligosaccharides; chitosan; circular dichroism spectroscopy; databases; denaturation; enzyme activity; fluorescence; fungi; hydrogen; pH; temperature
Abstract:
... Chitinase chi18-5 is an enzyme able to hydrolyze chitin and chitosan producing chitooligosaccharides (COS) of potential technological interest. chi18-5 is produced naturally by the fungus Trichoderma atroviride. It belongs to the glycosyl hydrolase (GH) family 18 of the Carbohydrate Active Enzyme (CAZy) database and it has 83% identity compared to the well-characterized chi42 of Trichoderma harzia ...
DOI:
10.1007/s00253-022-11782-9

9. Blue is the new green: Valorization of crustacean waste

Author:
Juliana L. Vidal; Tony Jin; Edmond Lam; Francesca Kerton; Audrey Moores
Source:
Current research in green and sustainable chemistry 2022 v.5 pp. 100330
ISSN:
2666-0865
Subject:
Crustacea; biomass; biorefining; calcium carbonate; chitin; chitosan; green chemistry; human health; research; sustainable development; wastes
Abstract:
... Every year, large amounts of marine biomass waste are generated around the globe. In the case of crustaceans, an opportunity is loss to convert these chemically rich streams into important and industrially relevant materials (e.g., chitin, chitosan, calcium carbonate, proteins, and other nitrogen-containing compounds) as these residues are often landfilled or directly discarded in the environment. ...
DOI:
10.1016/j.crgsc.2022.100330

10. Chitin and Chitosan: Prospective Biomedical Applications in Drug Delivery, Cancer Treatment, and Wound Healing

Author:
Parnian Baharlouei; Azizur Rahman
Source:
Marine drugs 2022 v.20 no.7 pp. -
ISSN:
1660-3397
Subject:
biocompatibility; biodegradability; cancer therapy; chitin; chitosan; collagen; drug delivery systems; epithelium; fibroblasts; nanobiotechnology
Abstract:
... Chitin and its derivative chitosan are highly abundant polymers in nature, appearing in both the shells and exoskeletons of various marine and non-marine species. Since they possess favorable properties, such as biocompatibility, biodegradability, non-toxicity, and non-immunogenicity, they have gained recent attention due to their enormous potential biomedical applications. The polycationic surfac ...
DOI:
10.3390/md20070460

11. Chitin and derivative chitosan-based structures — Preparation strategies aided by deep eutectic solvents: A review

Author:
Mohammad Khajavian; Vahid Vatanpour; Roberto Castro-Muñoz; Grzegorz Boczkaj
Source:
Carbohydrate polymers 2022 v.275 pp. 118702
ISSN:
0144-8617
Subject:
biopolymers; chitin; chitosan; industrialization; molecular weight; nanocrystals; nanofibers; plasticity; solvents
Abstract:
... The high molecular weight of chitin, as a biopolymer, challenges its extraction due to its insolubility in the solvents. Also, chitosan, as the N-deacetylated form of chitin, can be employed as a primary material for different industries. The low mechanical stability and poor plasticity of chitosan films, as a result of incompatible interaction between chitosan and the used solvent, have limited i ...
DOI:
10.1016/j.carbpol.2021.118702

12. Chitosan Based Nanoformulation for Sustainable Agriculture with Special Reference to Abiotic Stress: A Review

Author:
Akash Hidangmayum; Padmanabh Dwivedi
Source:
Journal of polymers and the environment 2022 v.30 no.4 pp. 1264-1283
ISSN:
1566-2543
Subject:
abiotic stress; agricultural productivity; antimicrobial properties; biocompatibility; biodegradability; cellulose; chitin; chitosan; climate change; drug delivery systems; encapsulation; environment; environmental hazards; nutrition; plant growth; sustainable agriculture
Abstract:
... Chitosan is a naturally occurring biological macromolecule and second most abundant polysaccharide next to cellulose, derived from deacetylation of chitin. Due to its biocompatibility, biodegradability, nontoxic and broad spectrum of antimicrobial activity, it has become an important field of drug delivery system study. With the advancement in nanotechnology, chitosan based nanoformulations have s ...
DOI:
10.1007/s10924-021-02296-y

13. Chitosan Production by Fungi: Current State of Knowledge, Future Opportunities and Constraints

Author:
Silvia Crognale; Cristina Russo; Maurizio Petruccioli; Alessandro D’Annibale
Source:
Fermentation 2022 v.8 no.2 pp. -
ISSN:
2311-5637
Subject:
bioprocessing; chitin; chitosan; circular economy; fermentation; fungi; liquids; process control; shellfish
Abstract:
... Conventionally, the commercial supply of chitin and chitosan relies on shellfish wastes as the extraction sources. However, the fungal sources constitute a valuable option, especially for biomedical and pharmaceutical applications, due to the batch-to-batch unsteady properties of chitin and chitosan from conventional ones. Fungal production of these glycans is not affected by seasonality enables a ...
DOI:
10.3390/fermentation8020076

14. Chitosan as a potential natural compound to manage plant diseases

Author:
Roohallah Saberi Riseh; Mohadeseh Hassanisaadi; Masoumeh Vatankhah; Somayeh Abdani Babaki; Essaid Ait Barka
Source:
International journal of biological macromolecules 2022 v.220 pp. 998-1009
ISSN:
0141-8130
Subject:
DNA; RNA; bioactive properties; biocompatibility; biodegradability; biopolymers; chitin; chitosan; foliar spraying; molecular weight; plant pathology; plasma membrane; seed treatment; soil amendments; transcription (genetics); transcription factors
Abstract:
... The necessity for non-chemical approaches has grown as awareness of the dangers posed by pesticides has spread. Chitosan, due to its biocompatibility, biodegradability, and bioactivity is one the effective choice in phytopathology. Chitosan is a biopolymer that reduces plant diseases through two main mechanisms: (1) Direct antimicrobial function against pathogens, including plasma membrane damage ...
DOI:
10.1016/j.ijbiomac.2022.08.109

15. Chitosan nanoparticles as a rice growth promoter: evaluation of biological activity

Author:
K. Divya; Meenu Thampi; Smitha Vijayan; S. Shabanamol; M. S. Jisha
Source:
Archives of microbiology 2022 v.204 no.1 pp. 95
ISSN:
0302-8933
Subject:
agricultural industry; bioactive properties; biodegradability; chitin; chitosan; foliar application; growth promotion; income; livelihood; mechanism of action; microbiology; polymers; rice; soil; soil toxicity; staple foods
Abstract:
... The agriculture sector is the building block of an economy with more than 60% of the world population depending on it for livelihood. Among the many crops, rice is the most important income source. It is the staple food for more than half of the world population. In spite of its huge demand, rice production has been dwindling due to various constraints. Chitosan nanoparticles (ChNP) are an excelle ...
DOI:
10.1007/s00203-021-02669-w

16. Constitutive chitosanase from Bacillus thuringiensis B-387 and its potential for preparation of antimicrobial chitooligomers

Author:
Gleb E. Aktuganov; Violetta R. Safina; Nailya F. Galimzianova; Elena A. Gilvanova; Lyudmila Yu. Kuzmina; Alexander I. Melentiev; Andrei H. Baymiev; Sergey A. Lopatin
Source:
World journal of microbiology & biotechnology 2022 v.38 no.10 pp. 167
ISSN:
0959-3993
Subject:
Bacillus thuringiensis; biotechnology; cation exchange chromatography; chitin; chitooligosaccharides; chitosan; chitosanase; glucans; microbiology; molecular weight; pH; polyacrylamide gel electrophoresis; sorption; temperature; ultrafiltration
Abstract:
... The article proves the ability of the entomopathogenic strain B. thuringiensis var. dendrolimus B-387 to high the constitutive production (3–12.5 U/mL) of extracellular chitosanase, that was found for the first time. The enzyme was purified in 94-fold by ultrafiltration, affinity sorption and cation-exchange chromatography and characterized biochemically. The molecular mass of the chitosanase dete ...
DOI:
10.1007/s11274-022-03359-5

17. Crystalline polysaccharides: A review

Author:
Farzad Seidi; Mohsen Khodadadi Yazdi; Maryam Jouyandeh; Sajjad Habibzadeh; Muhammad Tajammal Munir; Henri Vahabi; Babak Bagheri; Navid Rabiee; Payam Zarrintaj; Mohammad Reza Saeb
Source:
Carbohydrate polymers 2022 v.275 pp. 118624
ISSN:
0144-8617
Subject:
biodegradability; cellulose; chitin; chitosan; crystal structure; crystallization; medicine; starch
Abstract:
... The biodegradability and mechanical properties of polysaccharides are dependent on their architecture (linear or branched) as well as their crystallinity (size of crystals and crystallinity percent). The amount of crystalline zones in the polysaccharide significantly governs their ultimate properties and applications (from packaging to biomedicine). Although synthesis, characterization, and proper ...
DOI:
10.1016/j.carbpol.2021.118624

18. Dual-Cross-linked Liquid Crystal Hydrogels with Controllable Viscoelasticity for Regulating Cell Behaviors

Author:
Shengyue Tang; Kun Liu; Jingsheng Chen; Yizhi Li; Mingxian Liu; Lu Lu; Changren Zhou; Binghong Luo
Source:
ACS applied materials & interfaces 2022 v.14 no.19 pp. 21966-21977
ISSN:
1944-8252
Subject:
adhesion; bone formation; bone marrow; chitin; chitosan; crosslinking; extracellular matrix; hydrogels; liquid crystals; mineralization; stress relaxation; ultrasonic treatment; viscoelasticity
Abstract:
... The liquid crystal properties and viscoelasticity of the natural bone extracellular matrix (ECM) play a decisive role in guiding cell behavior, conducting cell signals, and regulating mineralization. Here, we develop a facile approach for preparing a novel polysaccharide hydrogel with liquid crystal properties and viscoelasticity similar to those of natural bone ECM. First, a series of chitin whis ...
DOI:
10.1021/acsami.2c02689

19. Effect of Chitosan as Part of Biologically Active Feeding BiHit on Economically Useful Features of Bees

Author:
A. I. Albulov; M. A. Frolova; V. P. Varlamov; E. I. Kovaleva; A. K. Eliseev
Source:
Applied biochemistry and microbiology 2022 v.58 no.4 pp. 490-491
ISSN:
0003-6838
Subject:
Russia; antimicrobial properties; chitin; chitosan; microbiology; toxicity; veterinary medicine
Abstract:
... Currently biostimulants based on chitosan and its derivatives are increasingly used in veterinary medicine. Chitosan and its modifications have many properties that allow them to be used in beekeeping: natural origin and lack of toxicity, immunomodulatory properties, antimicrobial activity, and the ability to increase resistance and remove heavy metals and toxins from bees. Chitosan is a chitin de ...
DOI:
10.1134/S0003683822040020

20. Functional thermosensitive hydrogels based on chitin as RIN-m5F cell carrier for the treatment of diabetes

Author:
Mingyu Zou; Jinhua Chi; Zhiwen Jiang; Wei Zhang; Huiwen Hu; Ruibao Ju; Chenqi Liu; Tianjiao Xu; Shuo Wang; Zhilong Feng; Wanshun Liu; Baoqin Han
Source:
International journal of biological macromolecules 2022 v.206 pp. 453-466
ISSN:
0141-8130
Subject:
N-acetylglucosamine; apoptosis; biocompatibility; blood glucose; cell proliferation; chitin; chitosan; diabetes; fibroblasts; hydrogels; insulin secretion; mice; rats; thermosensitivity
Abstract:
... Herein, the thermosensitive hydroxypropyl chitin (HPCT) hydrogel was prepared and the chemical structures, microstructures, rheological properties and degradation in vitro were investigated. The HPCT hydrogel possessed satisfactory biocompatibility in mouse fibroblast cells and Sprague Dawley rats. On the other hand, N-acetylglucosamine (NAG) and carboxymethyl chitosan (CMCS) provided favorable ca ...
DOI:
10.1016/j.ijbiomac.2022.02.175