Browsing by Author "Tzanov, Tzanko"
Now showing items 1-20 of 60
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A new approach to produce plant antioxidants-loaded chitosan for medical applications
(2012-12-19)
Article
Restricted access - publisher's policyThis work reports a straightforward approach for incorporation of plant-derived flavonoid-based antioxidants into an intrinsically antimicrobial chitosan platform in order to generate chitosan-based materials suitable for ... -
Antibacterial coatings on medical devices
(Elsevier, 2017-11-02)
Part of book or chapter of book
Restricted access - publisher's policy -
Bacteria-responsive multilayer coatings comprising polycationic nanospheres for bacteria biofilm prevention on urinary catheters
(2016-01-21)
Article
Open AccessThis work reports on the development of infection-preventive coatings on silicone urinary catheters that contain in their structure and release on demand antibacterial polycationic nanospheres. Polycationic aminocellulose ... -
Biocompounds from rapeseed oil industry co-stream as active ingredients for skin care applications
(2015-10-01)
Article
Open AccessOBJECTIVE: Despite the great number of substances produced by the skincare industry, very few of them seem to truly have an effect on the skin. Therefore, given the social implications surrounding physical appearance, the ... -
Biomedical textiles
(Elsevier, 2019-07-01)
Part of book or chapter of book
Restricted access - publisher's policyThe use of textiles in medicine dates back to ancient times. In modern medicine, textile fibers can be found in a wide variety of biomedical devices from simple non-woven bandages for wounds to complex hollow fiber membranes ... -
Bio-sonochemical conversion of fish backbones into bioactive nanospheres
(2015-08-12)
Article
Open Access
Covenantee: SINTEF Fisheries and Aquaculture / VTT Technical Research Centre of FinlandSalmon backbones, co-streams of salmon processing industry, were transformed into stable, odour-free ingredients for cosmetics. First, the backbones were hydrolysed using commercial proteases (Bromelain + Papain, Trypsin, ... -
Biotechnological applications at GBMI: industry-driven "bio-research"
(Campus de Terrassa de la UPC, 2013-06-13)
Conference report
Open Access -
Bottom-up layer-by-layer assembling of antibacterial freestanding nanobiocomposite films
(2018-07-27)
Article
Restricted access - publisher's policyIn this study, freestanding nanobiocomposite films were obtained by the sequential deposition of biopolymer-capped silver nanoparticles (AgNPs) and hyaluronic acid (HA). At first, dispersions ofAgNPs decorated with chitosan ... -
Building an antifouling zwitterionic coating on urinary catheters using an enzymatically triggered bottom-up approach
(2014-06-23)
Article
Restricted access - publisher's policyCatheter associated urinary tract infections are common during hospitalization due to the formation of bacterial biofilms on the indwelling device. In this study, we report an innovative biotechnology-based approach for ... -
Chitosan and chitosan ZnO-based complex nanoparticles: formation, characterization, and antibacterial activity
(Royal Society of Chemistry, 2013-02-04)
Article
Restricted access - publisher's policy -
Durable antimicrobial cotton textiles coated sonochemically with ZnO nanoparticles embedded in an in-situ enzymatically generated bioadhesive
(2018-02-14)
Article
Open AccessAn important preventive measure for providing a bacteria-free environment for the patients is the introduction of highly efficient and durable antibacterial textiles in hospitals. This work describes a single step ... -
Effect of thiol-functionalisation on chitosan antibacterial activity: interaction with a bacterial membrane model
(2013-01-12)
Article
Restricted access - publisher's policyThe antibacterial activity of chitosan modified with the thiol-containing 2-iminothiolane HCl (TC-IMI) and N-acetyl- L -cysteine (TC-NAC) was studied by Langmuir film balance technique using a dipalmitoylphos- phatidylglycerol ... -
Effects of alkyl chain lengths of gallates upon enzymatic wool functionalisation
(2010-08-24)
Article
Restricted access - publisher's policyThe covalent grafting of alkyl gallates on wool through a laccase catalysed reaction in 80/20 (v/v, %)aqueous–ethanol mixture provided in a one-step process a multifunctional textile material with antioxidant, antibacterial ... -
Electrical evaluation of bacterial virulence factors using nanopores
(2019-03-19)
Article
Restricted access - publisher's policyIn this work, we propose a novel methodology for electrical monitoring using nanoporous alumina membranes of virulence factors secreted by bacterial pathogens. Bacterial hyaluronidase (HYAL), which is produced by a number ... -
Electrochemical insights on the hydrophobicity of cellulose substrates imparted by the enzymatically-oxidized gallates with increasing alkyl chain length
(2015-06-09)
Article
Open AccessIn this work, we studied the influence of the alkyl chain length in enzymatically-oxidized gallates on the development of hydrophobicity on paper-based materials, and further correlated the obtained effect to the redox ... -
Electrospinning of gelatin fibers using solutions with low acetic acid concentration: effect of solvent composition on both diameter of electrospun fibers and cytotoxicity
(Wiley, 2015-03-13)
Article
Open AccessGelatin fibers were prepared by electrospinning of gelatin/acetic acid/water ternary mixtures with the aim of studying the feasibility of fabricating gelatin nanofiber mats at room temperature using an alternative benign ... -
Enzymatic functionalization of cork surface with antimicrobial hybrid biopolymer/silver nanoparticles
(2015-05-13)
Article
Open AccessLaccase-assisted assembling of hybrid biopolymer-silver nanoparticles and cork matrices into an antimicrobial material with potential for water remediation is herein described. Amino-functional biopolymers were first used ... -
Enzymatic pre-treament as a means of enhancing the antibacterial activity and stability of ZnO nanoparticles sonochemically coated on cotton fabrics
(2012-03-15)
Article
Restricted access - publisher's policyZinc oxide nanoparticles (ZnO NP’s) are known for their excellent antibacterial properties. This paper describes a method for enhancing the stability and the antibacterial activity of ZnO NPs synthesized and embedded ... -
Enzymatic synthesis of a thiolated chitosan-based wound dressing crosslinked with chicoric acid
(Royal Society of Chemistry (RSC), 2018-10-26)
Article
Open AccessThis work describes the enzymatic synthesis of multifunctional hydrogels for chronic wound treatment using thiolated chitosan and the natural polyphenol chicoric acid. Gelation was achieved by ... -
Enzyme-assisted formation of hybrid biopolymer hydrogels incorporating active phenolic nanospheres
(2015-02-01)
Article
Restricted access - publisher's policyThis work is about the synthesis of hybrid nanocomposite hydrogels comprising a thiolated chitosan platform that incorporates epigallocatechin gallate nanospheres as active polyphenolic agents for wound healing applications. ...
