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- 저자 : Saima Noreen (검색결과 2 건)
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Fitting of equilibrium and kinetic data for the removal of Novacron Orange P-2R by sugarcane bagasse
Saima Noreen,Haq Nawaz Bhatti 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
In this study, the potential of sugarcane bagasse, to remove Novacron Orange P-2R dye from aqueous solution by adsorption was investigated in batch mode. Different process parameters were optimized for biosorption process. Equilibrium biosorption isotherms, kinetics and thermodynamics were investigated in batch mode. The biosorption data were fitted well to the Langmuir isotherm. The kinetic data obtained at different concentration have been analyzed using pseudo-first-order, pseudo-second-order and intraparticle diffusion models. The best fitted kinetic model was found to be pseudo-second-order. The FTIR spectrum was recorded to find out the functional groups involved.
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Recent developments for antimicrobial applications of graphene-based polymeric composites: A review
Nabira Fatima,Umair Yaqub Qazi,Asim Mansha,Ijaz Ahmad Bhatti,Rahat Javaid,Qamar Abbas,Nimra Nadeem,Zulfiqar Ahmad Rehan,Saima Noreen,Muhammad Zahid 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.100 No.-
Owing to its captivating properties, Graphene-based materials (GMBs) have appeared as a broad-spectrumantimicrobial material and attracting scientists and researchers’ attention. By focusing on the recentadvances in the polymeric nanocomposite’sfield, current study is positioned on the graphene-basedpolymeric composites having antibiofilm and antimicrobial activities to confront the current situations ofmicrobial resistance against antibiotics and other drugs. Furthermore, this review summarizesthe influenceof different factors on the antimicrobial activities of graphene-based polymeric composites like size, shape,number of layers, concentration, dispersibility, and functionalization, and also shed the light on the possiblemode of actions of these materials. Graphene-based polymeric composites exert its antimicrobial action byphysical damages (e.g., direct sharp edges’ contact to cell membranes of bacteria, wrapping of the bacterialcell, phospholipid extraction, and photo-thermal ablation) and chemical damages (e.g. oxidative-stress andcharge transfer). Besides, this review article thoroughly describes the antimicrobial applications ofgraphene-based polymeric composites, which are because of their good biocompatibility and superiorantimicrobial properties such as wound bandages and dressings, antimicrobial coatings, drug delivery, foodpackaging, hydrogel formation, and water disinfection. Present review may stimulate major concerns, spurfurther developments, and provide valuable insight into the promisingfields.
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