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Showing 1-30 of 207 results for "448869" within Papers
Lana Glerieide Silva Garcia et al.
International journal of biological macromolecules, 143, 341-348 (2019-12-10)
Sporotrichosis, caused by Sporothrix schenckii complex species, is the most prevalent subcutaneous mycosis in many areas of Latin America. Chitosan has been used as an antifungal agent; however the effects of the molecular weight (MW) of chitosan (i.e. high (HMW)
Jihun Kang et al.
International journal of food microbiology, 179, 1-9 (2014-04-05)
Contamination of cold-smoked salmon by Listeria monocytogenes is a major concern for the seafood industry. The objectives of this study were to (i) determine the most effective bactericidal treatment for L. monocytogenes on salmon and (ii) optimize bactericidal and bacteriostatic
Matea Korica et al.
Materials (Basel, Switzerland), 14(13) (2021-07-20)
This research proposed two pretreatments of viscose fabrics: oxidation with 2,2,6,6-tetramethylpiperidine-1-oxy radical (TEMPO) and coating with TEMPO-oxidized cellulose nanofibrils (TOCN), to introduce functional groups (COOH and CHO) suitable for irreversible binding of chitosan nanoparticles without and with embedded zinc (NCS
Massimo Malerba et al.
International journal of molecular sciences, 16(2), 3019-3034 (2015-02-03)
Chitosan (CHT) is a non-toxic and inexpensive compound obtained by deacetylation of chitin, the main component of the exoskeleton of arthropods as well as of the cell walls of many fungi. In agriculture CHT is used to control numerous diseases
The Han Nguyen et al.
Journal of nanoscience and nanotechnology, 13(8), 5296-5304 (2013-07-26)
The physicochemical and biofunctional properties of crab chitosan nanoparticles of two different sizes (Nano A and B) manufactured by dry milling method were evaluated for commercialization. The deacetylation degrees (DD) of Nano A, B and the control chitosan were 90.9
Mohammed S Khan et al.
Journal of biomedical nanotechnology, 9(1), 107-114 (2013-05-01)
Enterotoxigenic Escherichia coil (ETEC) infections result in large mortality rate and usually a frequent cause of diarrhea in infants and a major cause of economic losses in the swine industry. To prevent enterotoxigenic Escherichia coli infections animal needs an active
Miao Qiu et al.
Food chemistry, 155, 105-111 (2014-03-07)
The antifungal activity and effect of high-molecular weight chitosan (H-chitosan), low-molecular weight chitosan (L-chitosan) and carboxymethyl chitosan (C-chitosan) coatings on postharvest green asparagus were evaluated. L-chitosan and H-chitosan efficiently inhibited the radial growth of Fusarium concentricum separated from postharvest green
Lucía Avila et al.
Preparative biochemistry & biotechnology, 48(9), 808-814 (2018-09-29)
Chemically inactivated tetanus toxin (tetanus toxoid, TT), purified from cultures of a virulent Clostridium tetani strain, is the active pharmaceutical ingredient of anti-tetanus vaccines. Culture clarification for TT production and is usually performed by filtration-based techniques. Final clarification of the
Wael M Samy et al.
Expert opinion on drug delivery, 11(10), 1525-1536 (2014-06-19)
Study the possible benefit of combining biodegradable polymers with sildenafil citrate (SC) in wound healing. Biodegradable micronized powdered formulations of SC were prepared by spray drying using chitosan (P₁) or chitosan/gum Arabic (P₂). Powders were characterized by differential scanning calorimetry
Adrita Chakrabarti et al.
Cellular immunology, 287(1), 27-35 (2013-12-26)
Methylglyoxal (MG), the potent anticancer agent has been conjugated to a nontoxic, biocompatible polymer, chitosan, to protect it from in vivo enzymatic degradation. This polymeric complex, 'Nano-MG' shows remarkable antitumor property and elicits macrophage-mediated immunity in tumor bearing mice on
Laura Higueras et al.
International journal of food microbiology, 188, 53-59 (2014-08-05)
Chitosan/cyclodextrin films (CS:CD) incorporating carvacrol were obtained by casting, and conditioned at 23°C and 75% relative humidity prior to being immersed in liquid carvacrol until they reached sorption equilibrium. In a previous work, the in vitro antimicrobial activity of these
Serda Kecel-Gunduz et al.
Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences, 28(1), 139-157 (2020-01-17)
Arginine-vasopressin (AVP) is a neuropeptide and provides learning and memory modulation. The AVP (4-5) dipeptide corresponds to the N-terminal fragment of the major vasopressin metabolite AVP (4-9), has a neuroprotective effect and used in the treatment of Alzheimer's and Parkinson's
Fakhra Liaqat et al.
Journal of basic microbiology, 58(10), 836-847 (2018-07-20)
Maximum production of industrially important enzymes such as chitosanases through media optimization still holds foremost interest. The present study was conducted to improve chitosanase activity of an indigenous strain identified as Bacillus mojavensis. Initially, carbon and nitrogen sources were optimized
Mohammad Mahmoudzadeh et al.
Journal of drug targeting, 21(8), 693-709 (2013-08-07)
Hydrophobically modified chitosan-based polymeric micelles (CBPMs) are formed through self-aggregation of chitosan amphiphilic derivatives. Their core-shell structure, diversity and the fact that all of their properties are adjustable through reconciling the interactions among their three main constituents: chitosan, hydrophilic segment
Xiaosong Li et al.
Clinical & developmental immunology, 2013, 387023-387023 (2013-03-28)
With the development of cancer immunotherapy, cancer vaccine has become a novel modality for cancer treatment, and the important role of adjuvant has been realized recently. Chitin, chitosan, and their derivatives have shown their advantages as adjuvants for cancer vaccine.
Po-Chun Wang et al.
Journal of cosmetic science, 64(4), 273-286 (2013-08-13)
Palmitoyl glycol chitosan (GCP) hydrogel has been reported as erodible controlled-release systems for the delivery of both hydrophilic and hydrophobic molecules. In this study we prepared lauroyl/palmitoyl glycol chitosan (GCL/GCP) in gel form and evaluated their application for skin delivery
Gregory H Bird et al.
The Journal of clinical investigation, 124(5), 2113-2124 (2014-04-20)
Respiratory syncytial virus (RSV) infection accounts for approximately 64 million cases of respiratory disease and 200,000 deaths worldwide each year, yet no broadly effective prophylactic or treatment regimen is available. RSV deploys paired, self-associating, heptad repeat domains of its fusion
Maryam Latifian et al.
Environmental technology, 35(17-20), 2289-2295 (2014-08-26)
One of the major setbacks of struvite recovery processes is the difficulty in harvesting struvite crystals. This study evaluates the use of different coagulants to improve precipitation of struvite (MgNH4PO4.6H20) crystals. Chitosan and poly(diallyldimethyl ammonium chloride) (Poly-DADMAC) as a coagulant-flocculent
J Shilpa et al.
Journal of biomedical nanotechnology, 10(4), 622-631 (2014-04-17)
Use of nanoparticulate drug delivery system for an effective therapeutic outcome against diseases gains immense hope in the study of drug delivery to partially hepatectomised rats. In the present study, partially hepatectomised rats treated with Gamma aminobutyric acid (GABA) and
Electrochemical biosensor applications of polysaccharides chitin and chitosan.
Wipa Suginta et al.
Chemical reviews, 113(7), 5458-5479 (2013-04-06)
Rong Huang et al.
Journal of biomedical nanotechnology, 10(7), 1346-1358 (2014-05-09)
Catalase, a kind of redox enzyme and generally recognized as an efficient agent for protecting cells against hydrogen peroxide (H2O2)-induced cytotoxicity. The immobilization of catalase was accomplished by depositing the positively charged chitosan and the negatively charged catalase on electrospun
Dongxue, Han; et al.
Electroanalysis, 22, 2001-2020 (2010)
Luke J Tucker et al.
Marine drugs, 19(3) (2021-04-04)
Thermosensitive chitosan hydrogels-renewable, biocompatible materials-have many applications as injectable biomaterials for localized drug delivery in the treatment of a variety of diseases. To combat infections such as Staphylococcus aureus osteomyelitis, localized antibiotic delivery would allow for higher doses at the
Yeyan Qiu et al.
Journal of nanoscience and nanotechnology, 13(8), 5935-5941 (2013-07-26)
Self-assembled nanoparticles were synthesized from water-soluble fructose-chitosan, substituted by succinyl linkages with phytosterols as hydrophobic moieties for self-assembly. The physicochemical properties of the prepared self-assembled nanoparticles were characterized by Fourier transform infrared spectroscopy, fluorescence spectroscopy, and transmission electron microscopy. Doxorubicin
Tomas Lafarga et al.
Journal of agricultural and food chemistry, 61(37), 8790-8796 (2013-08-22)
Chitosan is nature's second most abundant polymer after cellulose and forms the structural support in crustacean shell material and Basidomycete mushroom stalks. Chitosan is a known antimicrobial agent but, to date, was not examined as an antimicrobial agent in bread
Xiaoxia Li et al.
Investigative ophthalmology & visual science, 54(10), 6877-6885 (2013-09-28)
We investigated the morphologic characteristics and proliferation of rabbit corneal stromal cells (CSCs) onto scaffolds under simulated microgravity. Rabbit CSCs were cultured under simulated microgravity (SMG) and static condition. Complexes of collagen-chitosan-sodium hyaluronate with pores were used as scaffolds. Rotational
Soheyla Honary et al.
Pharmaceutical development and technology, 19(8), 987-998 (2013-10-24)
Treating vancomycin-resistant Staphylococcus aureus strains requires high doses of vancomycin, which might lead to adverse reactions such as nephrotoxicity and "red neck syndrome". Use of nanotechnology for antibiotic delivery is a promising approach to overcome antibiotic-resistance. The objective of this
Salma N Tammam et al.
International journal of biological macromolecules, 81, 858-866 (2015-09-20)
Chitosan has become a popular polymer for drug delivery. It's hydro solubility and mild formulation conditions have made it an attractive polymer for macromolecular delivery. Accurate quantification of internalized chitosan nanoparticles (NPs) is imperative for fair assessment of the nano-formulation
Li Zhang et al.
Journal of biomedical nanotechnology, 9(5), 863-869 (2013-06-28)
The aim of our study was to prepare gadolinium loaded chitosan nanoparticles (Gd-CSNPs) for magnetic resonance imaging (MRI). The chitosan nanoparticles (CSNPs) were prepared by ionic gelation method with sodium tripolyphosphate. The Gd ions were conjugated to the surface of
William D Stanish et al.
The Journal of bone and joint surgery. American volume, 95(18), 1640-1650 (2013-09-21)
Microfracture, the standard of care, is recognized to be an incomplete solution for cartilage damage. BST-CarGel, a chitosan-based medical device, is mixed with autologous whole blood and is applied to a microfractured cartilage lesion in which it physically stabilizes the
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