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| Grohsjean, Alexander |
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| Falmagne, G. |
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| Erice, C. |
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| Hernandez, A. M. Vargas |
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| Leiton, A. G. Stahl |
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| Lipka, K. |
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| Pantaleo, F. |
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| Torterotot, L. |
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| Savina, M. |
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| Cerri, O. |
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| Jung, A. W. |
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| Chiarito, B. |
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| Sahin, M. O. |
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| Strong, G. |
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| Saradhy, R. |
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| Joshi, B. M. |
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| Kaynak, B. |
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| Barrera, C. Baldenegro |
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| Longo, Egidio |
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| Kolberg, Ted |
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| Ferguson, Thomas |
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| Leverington, Blake |
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| Haase, Fabian |
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| Heath, Helen F. |
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| Kokkas, Panagiotis |
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Piozzi, Antonella
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2023Rice husk ash as a green feedstock for the extraction of nano-silica and its application in the synthesis of an efficient solid biocatalyst
- 2020Enhanced performance of Candida rugosa lipase immobilized onto alkyl chain modified-magnetic nanocompositescitations
- 2017Taurine grafting and collagen adsorption on PLLA films improve human primary chondrocyte adhesion and growthcitations
- 2016Flexible aliphatic poly(isocyanurate-oxazolidone) resins based on poly(ethylene glycol) diglycidyl ether and 4,4′-methylene dicyclohexyl diisocyanatecitations
- 2015Self-Assembly of catecholic moiety-containing cationic random acrylic copolymerscitations
- 2015Antimicrobial and antioxidant amphiphilic random copolymers to address medical device-centered infectionscitations
- 2014Biomimetic Polyurethanescitations
- 2014Partially sulfonated ethylene-vinyl alcohol copolymer as new substrate for 3,4-ethylenedioxythiophene vapor phase polymerizationcitations
- 2013Editorial of the special issue antimicrobial polymerscitations
- 2012A new approach for the preparation of hydrophilic poly(L-lactide) porous scaffold for tissue engineering by using lamellar single crystalscitations
- 2012Lipase Immobilization on Differently Functionalized Vinyl-Based Amphiphilic Polymers: Influence of Phase Segregation on the Enzyme Hydrolytic Activitycitations
- 2012Synthesis of biomimetic segmented polyurethanes as antifouling biomaterialscitations
- 2010Novel intrinsically antimicrobial polymers to control biofilm formation on medical devices
- 2010Synthesis and properties of block poly(ether-ester)s based on poly(ethylene oxide) and various hydrophobic segmentscitations
- 2010Polyurethane anionomers containing metal ions with antimicrobial properties: Thermal, mechanical and biological characterizationcitations
- 2009Antibiofilm properties of functionalized polyurethanes adsorbed with metal ions (Ag+, Cu2+, Zn2+, Al3+ and Fe3+)
- 2007Synthesis, characterization, and in vitro activity of antibiotic releasing polyurethanes to prevent bacterial resistancecitations
- 2007Staphylococcus epidermidis biofilm growth on polyurethanes is inhibited by the synergistic action of Dispersin B and cefamandole nafate.
- 2005Inhibition of Candida growth and biofilm formation on polyurethanes by fluconazole adsorption.citations
- 2004Inhibition of bacterial biofilm formation on polymer surfaces by a natural antimicrobial agent
- 2004Inhibition of biofilm formation in Gram-positive bacteria by a natural antimicrobial agent
- 2001CATALITIC ACTIVITY OF IMMOBILIZED FUMARASEcitations
- 2000Sulfation and preliminary biological evaluation of ethylene-vinyl alcohol copolymerscitations
Places of action
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conferencepaper
Rice husk ash as a green feedstock for the extraction of nano-silica and its application in the synthesis of an efficient solid biocatalyst
Abstract
Every year, millions of tons of rice are produced. About 20% of the rice weight is constituted of what is called rice husks (RH), which are removed during the milling process, generating approximately 150 million tons per year of residue [1]. Generally, the disposal of this waste in open fields or landfill creates environmental and human health problems [2]. The high calorific value of RH makes it a good and low-cost source of renewable energy, but high quantities of rice husk ash (RHA) (17- 26 %) rich in silica (90 - 95 %) are generated [3]. This disadvantage, however, can be transformed into a strength, because from this waste it is possible to extract a raw material widely used for industrial applications like the production of ceramics, electronics, catalysts, pharmaceutics, and other materials, i.e., silica. The extraction process from RHA presents the fundamental advantage of having a significantly lower environmental impact as compared to its commonly employed counterpart, i.e., sand extraction. Quartz extraction from natural sand exploits a non-renewable feedstock and not only destroys the natural landscape where the quarries are placed but also introduces a great number of pollutants into the environment both during the raw material acquisition and the lengthy procedures of silica extraction. Hence, with a view to developing a circular economy, this work aimed to reuse waste (RHA) as a new feedstock for silica extraction to be used in the synthesis of a biomaterial for enzymatic immobilization. That allows to recycle of something that would otherwise be discarded and may potentially save on the costs of industrial processes. In fact, among the main advantages of enzymatic immobilization are present the stabilization and improved robustness of the immobilized enzyme, as well as the possibility of reusing it, all factors that make it possible to significantly reduce the costs of an industrial process. To achieve this purpose, the development of a solid biocatalyst based on composite polymer scaffolds ...