Retention of lysozyme activity by physical immobilization in nanocellulose aerogels and antibacterial effects

Autor: Janne Laine, Khan Mohammad Ahsan Uddin, Markus Linder, Pezhman Mohammadi, Maryam Borghei, Orlando J. Rojas, Hannes Orelma

Publikováno v: Uddin, K, Orelma, H, Mohammadi, P, Borghei, M, Laine, J, Linder, M & Rojas, O 2017, ' Retention of lysozyme activity by physical immobilization in nanocellulose aerogels and antibacterial effects ', Cellulose, vol. 24, no. 7, pp. 2837-2848 . https://doi.org/10.1007/s10570-017-1311-0

Aerogels prepared from aqueous dispersions of anionic and cationic cellulose nanofibrils (CNFs) were investigated as solid supports for enzymes and silver nanoparticles and to elicit a sustained antibacterial effect. The imparted stabilization in dry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d47556a800f47e8f6bea7978a18121ae
https://doi.org/10.1007/s10570-017-1311-0

Hybrid films of chitosan, cellulose nanofibrils and boric acid Flame retardancy, optical and thermo-mechanical properties

Autor: Khan Mohammad Ahsan Uddin, Mariko Ago, Orlando J. Rojas

Publikováno v: CARBOHYDRATE POLYMERS. 177:13-21

Chitosan (CS), cellulose nanofibrils (CNF) and boric acid, the latter of which was used as flame retardant, were combined in transparent, hybrid films that were produced by solvent casting. The flammability and the thermal stability of the films were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7816368b0b48e910669e74b3e74c2f5d
https://doi.org/10.1016/j.carbpol.2017.08.116

Paper-based plasmon-enhanced protein sensing by controlled nucleation of silver nanoparticles on cellulose

Autor: Khan Mohammad Ahsan Uddin, Kong Xianming, Xiang Wenchao, Lokanathan R. Arcot, Leena S. Johansson, Orlando J. Rojas, Robin H. A. Ras, Xi Chen

Publikováno v: Cellulose. 22:4027-4034

Cheap, disposable bio-diagnostic devices are becoming increasingly prevalent in the field of biosensing. Earlier we had reported the ability of cellulosic surface to control the nucleation of plasmonic silver nanoparticles and in this report we utili

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4e27c95254504a68991dc55329a275c8
https://doi.org/10.1007/s10570-015-0783-z

Controlled short-linkage assembly of functional nano-objects

Autor: Lars Montelius, Mingdi Yan, Shilpi Chaudhary, Khan Mohammad Ahsan Uddin, Tripta Kamra, H. Surangi N. Jayawardena, Olesia Snezhkova, Lei Ye, Joachim Schnadt

Publikováno v: Applied Surface Science. 300:22-28

In this work, we report a method that allows the deterministic, photo-controlled covalent assembly of nanoparticles directly on surface. As a model system, we study the conjugation of molecularly imprinted polymer (MIP) nanoparticles on a glass surfa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b508ac297ea2950d53ac9028f2830bd

Cellulose Nanocrystal-Mediated Synthesis of Silver Nanoparticles: Role of Sulfate Groups in Nucleation Phenomena

Autor: Khan Mohammad Ahsan Uddin, Janne Laine, Orlando J. Rojas, Arcot R. Lokanathan

Publikováno v: BIOMACROMOLECULES. 15(1):373-379

Developing sustainable chemical methods to synthesize silver nanoparticles has drawn significant research interest. Due to their unique and well-defined physical-chemical properties, cellulose nanocrystals (CNCs) have become one of the most promising

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4735a1558ad7be94202a82b8eb4bb771
http://juuli.fi/Record/0336737314