• nano silver decorated polyacrylamide/dextran

    Nano silver decorated polyacrylamide/dextran

    Herein, novel biodegradable, stimuli responsive, chemically cross-linked and porous polyacrylamide/dextran (PAM/D) nanohydrogels hybrid composites are synthesized by in situ polymerization technique with incorporation of reduced nano silver. The interaction of nano silver with PAM in presence of dextran is investigated by Fourier transforms infrared spectroscopy (FTIR) and X

  • nano silver decorated polyacrylamide/dextran

    Nano silver decorated polyacrylamide/dextran

    2018-04-01· Herein, novel biodegradable, stimuli responsive, chemically cross-linked and porous polyacrylamide/dextran (PAM/D) nanohydrogels hybrid composites are synthesized by in situ polymerization technique with incorporation of reduced nano silver. The interaction of nano silver with PAM in presence of dextran is investigated by Fourier transforms infrared spectroscopy (FTIR) and X

  • nano silver decorated polyacrylamide/dextran

    Nano silver decorated polyacrylamide/dextran

    Request PDF Nano silver decorated polyacrylamide/dextran nanohydrogels hybrid composites for drug delivery applications Herein, novel biodegradable, stimuli responsive, chemically cross-linked

  • nano silver decorated polyacrylamide/dextran

    Nano silver decorated polyacrylamide/dextran

    2018-05-01· Herein, novel biodegradable, stimuli responsive, chemically cross-linked and porous polyacrylamide/dextran (PAM/D) nanohydrogels hybrid composites are synthesized by in situ polymerization technique with incorporation of reduced nano silver.

  • carbohydrate-based nanohydrogels for drug-delivery

    Carbohydrate-Based Nanohydrogels for Drug-Delivery

    Source: Reproduced with permission from Elsevier Science, Ltd. Prusty K, Swain SK. Nano silver decorated polyacrylamide/dextran nanohydrogels hybrid composites for drug delivery applications. Mater Sci Eng C 2018;85:130–41.

  • preparation and application of dextran and its derivatives

    Preparation and application of dextran and its derivatives

    A nanohydrogel based on polyacrylamide and dextran containing covalently bound silver nanoparticles was synthesized by low cost green method. The in vitro release rate of ornidazole drug was 98.5% at 6 h in the prepared nanohydrogels with 1.5% concentration of silver nanoparticles (Ag NPs).

  • novel semi-interpenetrating microspheres of dextran

    Novel Semi-interpenetrating Microspheres of Dextran

    Synthesis of soy protein/polyacrylamide nanocomposite hydrogels for delivery of ciprofloxacin drug. Materials Chemistry and Physics 2019, DOI: 10.1016/j.matchemphys.2019.05.038. Kalyani Prusty, Sarat K. Swain. Nano silver decorated polyacrylamide/dextran nanohydrogels hybrid composites for drug delivery applications.

  • in situ synthesis of antimicrobial silver nanoparticles

    In Situ Synthesis of Antimicrobial Silver Nanoparticles

    A multifunctional hydrogel that combines the dual functionality of both antifouling and antimicrobial capacities holds great potential for many bioapplications. Many approaches and different materials have been employed to synthesize such a material. However, a systematic study, including in vitro and in vivo evaluation, on such a material as wound dressings is highly scarce at present.

  • assessment of nano-toxicity and safety profiles of silver

    Assessment of Nano-toxicity and Safety Profiles of Silver

    A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text.

  • drug delivery research: the invention cycle molecular

    Drug Delivery Research: The Invention Cycle Molecular

    Controlled drug delivery systems have been successful in introducing improved formulations for better use of existing drugs and novel delivery of biologicals. The initial success of producing many oral products and some injectable depot formulations, however, reached a plateau, and the progress over the past three decades has been slow. This is likely due to the difficulties of formulating

  • biobased nanohydrogels for controlled drug delivery

    Biobased Nanohydrogels for Controlled Drug Delivery

    Abstract. Advances in biobased polymers have great considerable attention leading to the evolution of various novel drug delivery systems (DDS). The biocompatibility and biodegradability of these biopolymers, coupled to the large variety of chemical functionalities

  • novel semi-interpenetrating microspheres of dextran

    Novel Semi-interpenetrating Microspheres of Dextran

    Synthesis of soy protein/polyacrylamide nanocomposite hydrogels for delivery of ciprofloxacin drug. Materials Chemistry and Physics 2019, DOI: 10.1016/j.matchemphys.2019.05.038. Kalyani Prusty, Sarat K. Swain. Nano silver decorated polyacrylamide/dextran nanohydrogels hybrid composites for drug delivery applications.

  • temperature mapping in hydrogel matrices using

    Temperature Mapping in Hydrogel Matrices Using

    Nano silver decorated polyacrylamide/dextran nanohydrogels hybrid composites for drug delivery applications. Materials Science and Engineering: C 2018, 85, 130-141. DOI: 10.1016/j.msec.2017.11.028. Tamara Abou Matar, Pierre Karam. The Role of Hydrophobicity in the Cellular Uptake of Negatively Charged Macromolecules.

  • facile fabrication of chitosan-cl-poly(aa)/zrpo4

    Facile fabrication of chitosan-cl-poly(AA)/ZrPO4

    The chitosan based nanohydrogel reinforced nanocomposite was fabricated by facile sol–gel polymerization technique. A chitosan-cl-poly(AA)/ZrPO 4 nanocomposite was discovered as a capable photocatalyst for the elimination of rhodamine dye. The designed chitosan-cl-poly(AA)/ZrPO 4 nanocomposite was examined by various characterization approaches such as Scanning electron

  • nanoparticle–hydrogel composites: concept, design,

    Nanoparticle–Hydrogel Composites: Concept, Design,

    2015-01-21· New technologies rely on the development of new materials, and these may simply be the innovative combination of known components. The structural combination of a polymer hydrogel network with a nanoparticle (metals, non‐metals, metal oxides, and polymeric moieties) holds the promise of providing superior functionality to the composite material with applications in diverse fields, including

  • kalyani prusty veer surendra sai university

    Kalyani Prusty Veer Surendra Sai University

    Nano silver decorated polyacrylamide/dextran nanohydrogels hybrid composites for drug delivery applications . Article. Dec 2017; Kalyani Prusty. Sarat Kumar Swain. Herein, novel biodegradable

  • in situ formation of silver nanoparticles in linear

    In situ formation of silver nanoparticles in linear

    Silver nanoparticles were synthesized in linear and branched polyelectrolyte matrices using different reductants and distinct synthesis conditions. The effect of the host hydrolyzed linear polyacrylamide and star-like copolymers dextran-graft-polyacrylamide of various compactness, the nature of the reductant, and temperature were studied on in situ synthesis of silver sols.

  • nanostructured gold dispersed polyethylmethaacrylate

    Nanostructured gold dispersed polyethylmethaacrylate

    Request PDF Nanostructured gold dispersed polyethylmethaacrylate/dextran hybrid composites for packaging applications Herein, polymethylmethacrylate (PMMA)/dextran(D) hybrid composites are

  • using neutron reflectometry to characterize

    Using Neutron Reflectometry to Characterize

    Understanding the interaction of adsorbed or covalently immobilized proteins with solid substrates at the molecular level guides the successful design of functionalized surfaces used in biomedical applications. In this report, neutron reflectometry (NR) was used to characterize the structure of surface-attached antimicrobial protein films, with antimicrobial activity assessed using an adaption

  • temperature mapping in hydrogel matrices using

    Temperature Mapping in Hydrogel Matrices Using

    Temperature Mapping in Hydrogel Matrices Using Unmodified Digital Camera

  • in situ synthesis of antimicrobial silver nanoparticles

    In Situ Synthesis of Antimicrobial Silver Nanoparticles

    A multifunctional hydrogel that combines the dual functionality of both antifouling and antimicrobial capacities holds great potential for many bioapplications. Many approaches and different materials have been employed to synthesize such a material. However, a systematic study, including in vitro and in vivo evaluation, on such a material as wound dressings is highly scarce at present.

  • fabrication and characterization of gum arabic-cl-poly

    Fabrication and characterization of Gum arabic-cl-poly

    Fabrication and characterization of Gum arabic-cl-poly(acrylamide) nanohydrogel for effective adsorption of crystal violet dye

  • physicochemical characterization and release properties

    Physicochemical characterization and release properties

    A pH-sensitive nanocomposite formed from sodium alginate (SA)/pectin (Pec)/tannic acid (TA)–silver (Ag) was developed using microwave irradiation and it was applied as a carrier for propranolol drug. TA acts as a cross-linker and a reducing agent for Ag ions. Physicochemical characteristics of the fabricated system using Fourier transform

  • size-dependent knockdown potential of sirna-loaded

    Size-Dependent Knockdown Potential of siRNA-Loaded

    To overcome the poor pharmacokinetic conditions of short double-stranded RNA molecules in RNA interference therapies, cationic nanohydrogel particles can be considered as alternative safe and stable carriers for oligonucleotide delivery. For understanding key parameters during this process, two different types of well-defined cationic nanohydrogel particles were synthesized, which provided

  • biologically produced nanosilver: current state

    Biologically produced nanosilver: Current state

    The chemical and physical processes which are used to synthesize silver nanoparticles generally have many disadvantages and are not eco‐friendly. In this review, we will discuss biological alternatives that have been developed using microorganisms or plants to produce biogenic silver. Until now, only their antimicrobial activity has been

  • in situ formation of silver nanoparticles in linear

    In situ formation of silver nanoparticles in linear

    Silver nanoparticles were synthesized in linear and branched polyelectrolyte matrices using different reductants and distinct synthesis conditions. The effect of the host hydrolyzed linear polyacrylamide and star-like copolymers dextran-graft-polyacrylamide of various compactness, the nature of the reductant, and temperature were studied on in situ synthesis of silver sols. The related

  • turkish journal of pharmaceutical sciences

    Turkish Journal of Pharmaceutical Sciences

    INTRODUCTION . Materials that have one or more dimensions lower than 100 nm are considered nanomaterials. 1 To be more specific, in 2011 the European Commission defined a nanomaterial as follows: “A natural, incidental or manufactured material containing particles, in an unbound state or as an aggregate or as an agglomerate and where, for 50% or more of the particles in the number size

  • nano based drug delivery systems: recent developments

    Nano based drug delivery systems: recent developments

    Nanomedicine and nano delivery systems are a relatively new but rapidly developing science where materials in the nanoscale range are employed to serve as means of diagnostic tools or to deliver therapeutic agents to specific targeted sites in a controlled manner. Nanotechnology offers multiple benefits in treating chronic human diseases by site-specific, and target-oriented delivery of

  • temperature mapping in hydrogel matrices using

    Temperature Mapping in Hydrogel Matrices Using

    Temperature Mapping in Hydrogel Matrices Using Unmodified Digital Camera

  • prof.(dr.) sarat kumar swain chemistry veer surendra

    Prof.(Dr.) Sarat Kumar Swain Chemistry Veer Surendra

    Organizing Secretary, National Conference on Materials Science and Catalysis (MCC 2007), North Orissa University, Dec., (2008) Convener, National Conference on Materials Science and Catalysis (MCC 2009), North Orissa University, Oct. (2009)

  • turkish journal of pharmaceutical sciences

    Turkish Journal of Pharmaceutical Sciences

    INTRODUCTION . Materials that have one or more dimensions lower than 100 nm are considered nanomaterials. 1 To be more specific, in 2011 the European Commission defined a nanomaterial as follows: “A natural, incidental or manufactured material containing particles, in an unbound state or as an aggregate or as an agglomerate and where, for 50% or more of the particles in the number size

  • american scientific publishers

    American Scientific Publishers

    Antibacterial Activity and Cyto-/Tissue-Compatibility of Micro-/Nano-Structured Titanium Decorated with Silver Nanoparticles Yiting Li, Jing Tan, Zhiyuan Liu, Guangshun Wang, Chanjuan Zhao, Ke Duan, Jie Weng, and Bo Feng J. Biomed. Nanotechnol. 14, 675–687 (2018)

  • nano based drug delivery systems: recent developments

    Nano based drug delivery systems: recent developments

    2018-09-19· Silver nanoparticles exhibited antimicrobial activity, but as for drug delivery, very few studies have been carried out, for example, Prusty and Swain synthesized an inter-linked and spongy polyacrylamide/dextran nano-hydrogels hybrid system with covalently attached silver nanoparticles for the release of ornidazole which turned out to have an

  • 张黎明 中山大学材料科学与工程学院

    张黎明 中山大学材料科学与工程学院

    [87] (with Ma YQ, Yi JZ) A facile approach to incorporate silver nanoparticles into dextran-based hydrogels for antibacterial and catalytical applications. Journal of Macromolecular Science Part A- Pure and Applied Chemistry, 2009, 46(6), 643-648.

  • nanomagnetic poly(vinyl alcohol) hydrogels

    Nanomagnetic Poly(vinyl alcohol) Hydrogels

    Abstract: Semi-IPN hydrogels in which silk sericin (SS) chains were physically dispersed throughout dextran (Dex) gel networks were synthesized. Highly stable distributed silver nanoparticles have been prepared using these semi-IPN hydrogels as a carrier via in situ reduction of silver nitrate without the addition of any reducing agent. The

  • antibacterial performance on plasma polymerized

    Antibacterial performance on plasma polymerized

    The antibacterial performance of the plasma-polymerized (pp) heptylamine thin films loaded with silver nanoparticles was evaluated against the colonization of Escherichia coli and Staphylococcus aureus.The properties including the thickness and chemical composition of the as deposited HApp films were modulated by adjusting plasma parameters.

  • therapeutic efficacy of nanoparticles and routes

    Therapeutic efficacy of nanoparticles and routes

    2019-11-21· Nanotechnology and nanoparticles. In the Greek language, the words nano means “dwarf” and the SI prefix denotes 10 − 9 or 0.000000001. By definition, nanotechnology is a fusion of advanced manufacturing science and engineering where the synthesis or assembly of material is aimed at the nanometer scale (1–100 nm) or one-billionth of a meter.

  • chitosan hydrogel beads functionalized with thymol-loaded

    Chitosan Hydrogel Beads Functionalized with Thymol-Loaded

    with SLPN. Thus, we proposed that the OD-decorated SLPN could be covalently conjugated to the surface of the chitosan beads to form nano-on-beads composite, by simply incubating the beads in a colloidal SLPN dispersion. The major objective of this study is to prove this innovative concept and to

  • synthesis and characterization of tissue plasminogen

    Synthesis and Characterization of Tissue Plasminogen

    In order to remove excess ions and excess dextran, the particles were purified by dialysis against water and ultrafiltration. The dextran shell of the particles was then crosslinked using epichlorohydrin. After purification, SPION Dex were further functionalized with carboxylic acid groups . In short, 10 M NaOH was added to the nanoparticle

  • nanogels as pharmaceutical carriers: finite networks

    Nanogels as Pharmaceutical Carriers: Finite Networks

    Nanogels are swollen nanosized networks composed of hydrophilic or amphiphilic polymer chains. They are developed as carriers for the transport of drugs, and can be designed to spontaneously incorporate biologically active molecules through formation of salt bonds, hydrogen bonds, or

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