Articles with "modified chitosan" as a keyword



Photo by miomorfo from unsplash

ROS-responsive modified Chitosan oligosaccharide nanocapsules for improving pesticide efficiency and intelligent release.

Sign Up to like & get
recommendations!
Published in 2023 at "Pest management science"

DOI: 10.1002/ps.7565

Abstract: BACKGROUND Some traditional pesticide formulations are inefficient, leading to excessive use and abuse of pesticides, which in turn effects environment. Intelligent release pesticide formulations are ideal for improving pesticide utilization and persistence while reducing environmental… read more here.

Keywords: ave nanocapsules; modified chitosan; pesticide; chitosan oligosaccharide ... See more keywords
Photo from archive.org

Immobilization of Carboxypeptidase A into Modified Chitosan Matrixes by Covalent Attachment

Sign Up to like & get
recommendations!
Published in 2018 at "Applied Biochemistry and Biotechnology"

DOI: 10.1007/s12010-018-2708-4

Abstract: Carboxypeptidase A (CPA) is a metalloexopeptidase that catalyzes the hydrolysis of the peptide bonds that are adjacent to the C-terminal end of a polypeptide chain. The enzyme preferentially cleaves over C-terminal L-amino acids with aromatic… read more here.

Keywords: chitosan matrixes; immobilization carboxypeptidase; immobilization; carboxypeptidase ... See more keywords
Photo by aleexcif from unsplash

A sensitive and selective phosphopeptide enrichment strategy by combining polyoxometalates and cysteamine hydrochloride-modified chitosan through layer-by-layer assembly.

Sign Up to like & get
recommendations!
Published in 2019 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2019.04.001

Abstract: Highly efficient enrichment of phosphopeptides in low abundance prior to mass spectrometry analysis is essential in phosphopeptidomics analysis. Herein, an affinity probe possessing both interactions of polyoxometalates (POMs) and hydrophilic interaction chromatography (HILIC) was facilely… read more here.

Keywords: hydrochloride modified; cysteamine hydrochloride; enrichment; modified chitosan ... See more keywords
Photo from wikipedia

A novel Biochar modified by Chitosan-Fe/S for tetracycline adsorption and studies on site energy distribution.

Sign Up to like & get
recommendations!
Published in 2019 at "Bioresource technology"

DOI: 10.1016/j.biortech.2019.122152

Abstract: A novel wasted sludge-based Biochar modified by Chitosan and Fe/S (BCFe/S) was prepared for tetracycline (TC) removal from water. To investigate the similarities and differences in adsorption behaviors between Biochar and BCFe/S, characterization, kinetics, isotherms… read more here.

Keywords: energy distribution; adsorption; site energy; studies site ... See more keywords
Photo from wikipedia

Synthesis, characterisation and application of pyridine-modified chitosan derivatives for the first non-racemic Cu-catalysed Henry reaction.

Sign Up to like & get
recommendations!
Published in 2018 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2017.12.012

Abstract: The preparation, characterisation and application of two pyridine-modified chitosan derivatives (C1 and C2) containing Cu(OAc)2 adsorbed as catalysts for the conversion of benzaldehyde into 2-nitro-1-phenylethanol are described. Quantitative solid-state 13C multiple-contact cross-polarization, magic-angle-spinning, nuclear magnetic… read more here.

Keywords: characterisation application; chitosan derivatives; modified chitosan; reaction ... See more keywords
Photo from wikipedia

Enhanced removal of trace antibiotics from turbid water in the coexistence of natural organic matters using phenylalanine-modified-chitosan flocculants: Effect of flocculants’ molecular architectures

Sign Up to like & get
recommendations!
Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.09.171

Abstract: Abstract Removal of two typical antibiotics (norfloxacin and tylosin) at trace level in turbid water simultaneously containing natural organic matters (NOMs) was conducted using two phenylalanine (Phe)-modified-chitosan flocculants (CHS-Phe and CHS-PPhe) with different molecular architectures.… read more here.

Keywords: chitosan flocculants; organic matters; natural organic; modified chitosan ... See more keywords
Photo by kludu96 from unsplash

Hypoxia/pH dual-responsive nitroimidazole-modified chitosan/rose bengal derivative nanoparticles for enhanced photodynamic anticancer therapy

Sign Up to like & get
recommendations!
Published in 2020 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2020.108395

Abstract: Abstract Most of the traditional photosensitizers (PSs) used in photodynamic therapy (PDT) have poor tumor targeting and phototoxic side effects. Drug delivery systems can be designed to be triggered to release payload PSs in response… read more here.

Keywords: hypoxia; modified chitosan; rbd; rose bengal ... See more keywords
Photo from wikipedia

Molecular level study of cadmium adsorption on dithiocarbamate modified chitosan.

Sign Up to like & get
recommendations!
Published in 2020 at "Environmental pollution"

DOI: 10.1016/j.envpol.2020.116322

Abstract: It has been shown that chemical modification of chitosan with sulfur (S) functional groups could significantly enhance its chelating capability with heavy metals included Cd(II). However, a molecular level understanding has been lacking. Here, we… read more here.

Keywords: adsorption; molecular level; dithiocarbamate; modified chitosan ... See more keywords
Photo by aleexcif from unsplash

Gentamicin modified chitosan film with improved antibacterial property and cell biocompatibility.

Sign Up to like & get
recommendations!
Published in 2017 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2017.01.121

Abstract: Gentamicin modified chitosan film (CS-GT) was produced using a three-step procedure comprising: (i) the chitosan solution was air-dried to form a chitosan (CS) film, (ii) using citric acid to generate the amide and carboxyl groups… read more here.

Keywords: gentamicin modified; biocompatibility; modified chitosan; chitosan film ... See more keywords
Photo by aleexcif from unsplash

Synthesis, characterization, and evaluation of poly(aminoethyl) modified chitosan and its hydrogel used as antibacterial wound dressing.

Sign Up to like & get
recommendations!
Published in 2017 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2017.04.049

Abstract: This study aims to develop new antibacterial hydrogel wound dressings composed of poly(aminoethyl) modified chitosan (PAEMCS). FTIR, 1H NMR, and elemental analysis demonstrated that PAEMCS was successfully synthesized via grafting poly(aminoethyl) groups onto hydroxyl groups… read more here.

Keywords: based hydrogels; aminoethyl modified; hydrogel; modified chitosan ... See more keywords
Photo from archive.org

Synthesis, characterization and antimicrobial activity of Schiff bases modified chitosan-graft-poly(acrylonitrile).

Sign Up to like & get
recommendations!
Published in 2018 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2017.11.129

Abstract: Graft copolymerization of chitosan (Ch) with acrylonitrile (AN) prepared by free radical polymerization using potassium persulfate (PPS) as initiator. Optimization of Graft copolymerization of acrylonitrile on to chitosan was performed by studying the main parameters… read more here.

Keywords: characterization antimicrobial; graft; antimicrobial activity; modified chitosan ... See more keywords