Publications by authors named "Rini Thresia Varghese"

Article Synopsis
  • - Extracted cellulose nanocrystals (CNC) from Elettaria cardamom using a green method with oxalic acid hydrolysis display outstanding thermal stability and high crystallinity (81.51%) with an impressive degradation temperature of 339.07°C.
  • - The CNCs exhibit strong negative surface functionalization (zeta potential -34.244 mV) and a moderate aspect ratio (17.8), while showing no antibacterial properties against tested bacterial strains.
  • - These non-cytotoxic and thermally stable CNCs have potential uses in various fields, including food packaging and medical device surfaces, aligning with the "One Health" concept regarding antibiotic resistance.
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Today, one of the world's critical environmental issues is air pollution, which is the most important parameter threatening human health and the environment. Synthetic polymers are widely used in industrial air filter production; however, they are incompatible with the environment due to their secondary pollution. Using renewable materials to manufacture air filters is not only environmentally friendly but also essential.

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The unparalleled dependency on petroleum based sources urged the research community to focus on developing renewable products, among which nanocellulose based commodities stands at the zenith due to its abundance, biodegradability and biocompatibility. Nanocellulose in form of coatings, aerogels, hydrogels, films and membranes have its own space in the research platform. The different coating technologies like spray, bar, roller, dip and foam coating are currently employed for the fabrication.

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