scholarly journals Facile Synthesis of Calcium Hydroxide Nanoparticles onto TEMPO-Oxidized Cellulose Nanofibers for Heritage Conservation

ACS Omega ◽  
2019 ◽  
Vol 4 (24) ◽  
pp. 20606-20611
Author(s):  
Mounir El Bakkari ◽  
Vivek Bindiganavile ◽  
Yaman Boluk
Keyword(s):  
Calcium Hydroxide ◽  
Cellulose Nanofibers ◽  
Heritage Conservation ◽  
Oxidized Cellulose ◽  
Facile Synthesis

Non-oxidized cellulose nanofibers as a topical hemostat: in vitro thromboelastometry studies of structure vs function

2021 ◽  
pp. 118043
Author(s):  
Elmira Mohamed ◽  
Lucy A. Coupland ◽  
Philip J. Crispin ◽  
Ailene Fitzgerald ◽  
David R. Nisbet ◽  
...  
Keyword(s):  
Cellulose Nanofibers ◽  
Oxidized Cellulose

scholarly journals Three-Dimensional Stable Alginate-Nanocellulose Gels for Biomedical Applications: Towards Tunable Mechanical Properties and Cell Growing

Nanomaterials ◽  
2019 ◽  
Vol 9 (1) ◽  
pp. 78 ◽  
Author(s):  
Priscila Siqueira ◽  
Éder Siqueira ◽  
Ana Elza De Lima ◽  
Gilberto Siqueira ◽  
Ana Delia Pinzón-Garcia ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Mechanical Properties ◽  
Tissue Engineering ◽  
Wound Healing ◽  
Cellulose Nanocrystals ◽  
Biomedical Applications ◽  
Cellulose Nanofibers ◽  
Oxidized Cellulose ◽  
Freeze Dried ◽  
Alginate Gels

Hydrogels have been studied as promising materials in different biomedical applications such as cell culture in tissue engineering or in wound healing. In this work, we synthesized different nanocellulose-alginate hydrogels containing cellulose nanocrystals, TEMPO-oxidized cellulose nanocrystals (CNCTs), cellulose nanofibers or TEMPO-oxidized cellulose nanofibers (CNFTs). The hydrogels were freeze-dried and named as gels. The nanocelluloses and the gels were characterized by different techniques such as Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and dynamic mechanical thermal analysis (DMTA), while the biological features were characterized by cytotoxicity and cell growth assays. The addition of CNCTs or CNFTs in alginate gels contributed to the formation of porous structure (diameter of pores in the range between 40 and 150 μm). TEMPO-oxidized cellulose nanofibers have proven to play a crucial role in improving the dimensional stability of the samples when compared to the pure alginate gels, mainly after a thermal post-treatment of these gels containing 50 wt % of CNFT, which significantly increased the Ca2+ crosslinking density in the gel structure. The morphological characteristics, the mechanical properties, and the non-cytotoxic behavior of the CNFT-alginate gels improved bioadhesion, growth, and proliferation of the cells onto the gels. Thus, the alginate-nanocellulose gels might find applications in tissue engineering field, as for instance, in tissue repair or wound healing applications.

Lime mortar consolidation with nanostructured calcium hydroxide dispersions: the efficacy of different consolidating products for heritage conservation

2015 ◽  
Vol 27 (3) ◽  
pp. 311-323 ◽  
Author(s):  
Anna Arizzi ◽  
Luz Stella Gomez-Villalba ◽  
Paula Lopez-Arce ◽  
Giuseppe Cultrone ◽  
Rafael Fort
Keyword(s):  
Calcium Hydroxide ◽  
Heritage Conservation ◽  
Lime Mortar

Influence of post-oxidation reactions on the physicochemical properties of TEMPO-oxidized cellulose nanofibers before and after amidation

Cellulose ◽  
2019 ◽  
Vol 27 (3) ◽  
pp. 1273-1288 ◽  
Author(s):  
L. A. Calderón-Vergara ◽  
S. A. Ovalle-Serrano ◽  
C. Blanco-Tirado ◽  
M. Y. Combariza
Keyword(s):  
Physicochemical Properties ◽  
Cellulose Nanofibers ◽  
Oxidized Cellulose ◽  
Oxidation Reactions ◽  
Before And After

scholarly journals Advanced microscopy and spectroscopy reveal the adsorption and clustering of Cu(ii) onto TEMPO-oxidized cellulose nanofibers

Nanoscale ◽  
2017 ◽  
Vol 9 (22) ◽  
pp. 7419-7428 ◽  
Author(s):  
Chuantao Zhu ◽  
Alexander Soldatov ◽  
Aji P. Mathew
Keyword(s):  
Cellulose Nanofibers ◽  
Oxidized Cellulose

TEMPO-oxidized cellulose nanofibers/TiO2 nanocomposite as new adsorbent for Brilliant Blue dye removal

2019 ◽  
Vol 77 (12) ◽  
pp. 6213-6226
Author(s):  
Zehbah Ali Al-Ahmed ◽  
Abeer A. Hassan ◽  
Sahar M. El-Khouly ◽  
Shaymaa E. El-Shafey
Keyword(s):  
Dye Removal ◽  
Cellulose Nanofibers ◽  
Brilliant Blue ◽  
Blue Dye ◽  
Oxidized Cellulose
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