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RISS 인기검색어
- 검색키워드
- 저자 : Rehan Zulfiqar Ahmad (검색결과 2 건)
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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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Assessment of antibacterial cellulose nanocomposites for water permeability and salt rejection
Sher Bahadar Khan,Khalid A. Alamry,Elham N. Bifari,Abdullah M. Asiri,Muhammad Yasir,Lassaad Gzara,Rehan Zulfiqar Ahmad 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.24 No.-
Anti-bacterial nanocomposites (NC1–NC4) based on cellulose acetate were prepared by dispersing ZnO nanofillers in the cellulose acetate matrix. Anti-bacterial nanocomposites were structurally and morphological examined by XRD (X-ray powder diffraction), FESEM (field emission scanning electron microscopy), and FT-IR (Fourier transform infrared) spectroscopy. All the spectroscopic techniques suggested that nanocomposites are successfully synthesized. All the nanocomposites showed antibacterial activity which increased as a function of zinc oxide. Further the selectivity of anti-bacterial nanocomposites was investigated toward different metal ions, including Zn2+, Cd2+, Pb2+, Mn2+, Ni2+, Fe2+, Al3+, Sb3+, and Sr3+. The selectivity data suggests that nanocomposites are more selective toward Fe2+. NC1 displayed highest uptake aptitude for Fe2+ with highest distribution coefficient of 7549.123 mL g1. Therefore, NC1 was subjected to water permeability to explore the role of antibacterial nanocomposite as membrane for water purification. The results suggest that these materials are possibly appropriate for water treatments.
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