Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications
Cellulose was dissolved in aq.(LiOH C urea) solution pre-cooled to –12.5 C and the wet films were prepared using ethyl alcohol coagulation bath. The gel cellulose films were dipped in 10 wt.% Cassia alata leaf extract solution and allowed the extract to diffuse into them. The leaf extract infused we...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Taylor and Francis
2018
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| Online Access: | http://psasir.upm.edu.my/id/eprint/72787/ http://psasir.upm.edu.my/id/eprint/72787/1/Formulation%20and%20characterization%20of%20in%20situ%20generated%20copper%20nanoparticles%20.pdf |
| _version_ | 1848857201032036352 |
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| author | Sivaranjana, P. Nagarajan, E. R. Rajini, N. Jawaid, Mohammad Rajulu, A. Varada |
| author_facet | Sivaranjana, P. Nagarajan, E. R. Rajini, N. Jawaid, Mohammad Rajulu, A. Varada |
| author_sort | Sivaranjana, P. |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Cellulose was dissolved in aq.(LiOH C urea) solution pre-cooled to –12.5 C and the wet films were prepared using ethyl alcohol coagulation bath. The gel cellulose films were dipped in 10 wt.% Cassia alata leaf extract solution and allowed the extract to diffuse into them. The leaf extract infused wet cellulose films were dipped in different concentrated aq. copper sulphate solutions and allowed for in situ generation of copper nanoparticles (CuNPs) inside the matrix. The morphological, structural, antibacterial, thermal, and tensile properties of dried cellulose/CuNP composite films were carried out. The presence of CuNPs was established by EDX spectra and X-ray diffraction. The composite films displayed higher thermal stability than the matrix due to the presence of CuNPs. Cellulose/CuNP composite films possessed better tensile strength than the matrix. The composite films showed good antibacterial activity against E.coli bacteria. We conclude that good antibacterial activity and better tensile properties of the cellulose/CuNP composite films make them suitable for antibacterial wrapping and medical purposes. |
| first_indexed | 2025-11-15T11:53:47Z |
| format | Article |
| id | upm-72787 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T11:53:47Z |
| publishDate | 2018 |
| publisher | Taylor and Francis |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-727872021-02-07T23:05:31Z http://psasir.upm.edu.my/id/eprint/72787/ Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications Sivaranjana, P. Nagarajan, E. R. Rajini, N. Jawaid, Mohammad Rajulu, A. Varada Cellulose was dissolved in aq.(LiOH C urea) solution pre-cooled to –12.5 C and the wet films were prepared using ethyl alcohol coagulation bath. The gel cellulose films were dipped in 10 wt.% Cassia alata leaf extract solution and allowed the extract to diffuse into them. The leaf extract infused wet cellulose films were dipped in different concentrated aq. copper sulphate solutions and allowed for in situ generation of copper nanoparticles (CuNPs) inside the matrix. The morphological, structural, antibacterial, thermal, and tensile properties of dried cellulose/CuNP composite films were carried out. The presence of CuNPs was established by EDX spectra and X-ray diffraction. The composite films displayed higher thermal stability than the matrix due to the presence of CuNPs. Cellulose/CuNP composite films possessed better tensile strength than the matrix. The composite films showed good antibacterial activity against E.coli bacteria. We conclude that good antibacterial activity and better tensile properties of the cellulose/CuNP composite films make them suitable for antibacterial wrapping and medical purposes. Taylor and Francis 2018 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/72787/1/Formulation%20and%20characterization%20of%20in%20situ%20generated%20copper%20nanoparticles%20.pdf Sivaranjana, P. and Nagarajan, E. R. and Rajini, N. and Jawaid, Mohammad and Rajulu, A. Varada (2018) Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications. Journal of Macromolecular Science Part A-Pure and Applied Chemistry, 55 (1). 58 - 65. ISSN 1060-1325; ESSN: 1520-5738 https://www.tandfonline.com/doi/abs/10.1080/10601325.2017.1387488?tab=permissions&scroll=top 10.1080/10601325.2017.1387488 |
| spellingShingle | Sivaranjana, P. Nagarajan, E. R. Rajini, N. Jawaid, Mohammad Rajulu, A. Varada Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications |
| title | Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications |
| title_full | Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications |
| title_fullStr | Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications |
| title_full_unstemmed | Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications |
| title_short | Formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications |
| title_sort | formulation and characterization of in situ generated copper nanoparticles reinforced cellulose composite films for potential antimicrobial applications |
| url | http://psasir.upm.edu.my/id/eprint/72787/ http://psasir.upm.edu.my/id/eprint/72787/ http://psasir.upm.edu.my/id/eprint/72787/ http://psasir.upm.edu.my/id/eprint/72787/1/Formulation%20and%20characterization%20of%20in%20situ%20generated%20copper%20nanoparticles%20.pdf |