Zobrazeno 1 - 10 of 31 pro vyhledávání: '"V G, Geethamma"'
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Akademický článek
Mechanical and Permeability Properties of Thermoplastic Starch Composites Reinforced with Cellulose Nanofiber for Packaging Applications
Autor: Preetha Balakrishnan, Sreerag Gopi, V. G. Geethamma, Sabu Thomas
Publikováno v: Журнал Сибирского федерального университета: Серия Биология, Vol 12, Iss 3, Pp 287-301 (2019)
In this study, a facile, ecofriendly nanocomposite based on glycerol-plasticized thermoplastic potato starch (TPS) containing 0-4 wt.% cellulose nanofiber (CNF) from pineapple leaf was prepared by the solution casting technique. The nanocomposite fil
Externí odkaz: https://doaj.org/article/9302216c52474617afe216c7c1068041
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3
Complex Numbers and Rhythmic Changes
Autor: Jacob K. Daniel, V. G. Geethamma, Deepa P. Gopinath
Publikováno v: Resonance. 26:1059-1080
The concept of complex numbers (CNs) is used in many disciplines. In many cases, students find it difficult to understand the logic behind CNs. Rotations, vibrations, and oscillations result in sine or cosine waves. Mathematical representation of rot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdf42c2df602b1233a64611579ca8311
https://doi.org/10.1007/s12045-021-1209-x
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4
Mechanical and Permeability Properties of Thermoplastic Starch Composites Reinforced with Cellulose Nanofiber for Packaging Applications
Autor: V. G. Geethamma, Sreerag Gopi, Sabu Thomas, Preetha Balakrishnan
Publikováno v: Журнал Сибирского федерального университета: Серия Биология, Vol 12, Iss 3, Pp 287-301 (2019)
In this study, a facile, ecofriendly nanocomposite based on glycerol-plasticized thermoplastic potato starch (TPS) containing 0-4 wt.% cellulose nanofiber (CNF) from pineapple leaf was prepared by the solution casting technique. The nanocomposite fil
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1893cbbb4a7dbd501ae503ffb2ab16ff
https://doi.org/10.17516/1997-1389-0303
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5
Physicochemical, mechanical, barrier and antibacterial properties of starch nanocomposites crosslinked with pre-oxidised sucrose
Autor: Nandakumar Kalarikkal, Vanja Kokol, Tatiana G. Volova, Sabu Thomas, V. G. Geethamma, M. S. Sreekala, Preetha Balakrishnan
Publikováno v: Industrial Crops and Products. 130:398-408
Bionanocomposite films were fabricated using starch as a matrix, pre-oxidised sucrose as a crosslinker and cellulose nanofibres as reinforcement filler. The spectroscopic (FTIR) and microscopic (SEM) techniques were used to identify the chemical chan
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d85f1bb3da5a684ba12f2c462b296ed
https://doi.org/10.1016/j.indcrop.2019.01.007
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6
Rubber as an Aid to Teach Thermodynamics
Autor: V. G. Geethamma, V. Sampath
Publikováno v: Resonance. 24:217-238
The behaviour of rubber differs from that of conventional materials. Rubber heats up on stretching and cools on retraction. Also, stretched rubber shrinks on heating (thermoelastic shrinkage) while a stretched metal elongates. The elastic recovery of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b439b10b9b52601f59879d7c9ab8f04f
https://doi.org/10.1007/s12045-019-0772-x
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7
It’s About Making Surfaces Invisible
Autor: V G Geethamma, Kazuki Shigeta, John A. Rogers
Publikováno v: Resonance. 23:423-438
Antireflection is an essential requirement for certain optoelectronic devices. Antireflective surfaces can be generated by different methods. One method mimics the nanofeatures on the moth eye surface. This can be done by ‘soft lithography’ (SL),
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3732f00577c3afcffc58eab7eaffca3
https://doi.org/10.1007/s12045-018-0634-y
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8
Highly lithium ion conductive, Al2O3 decorated electrospun P(VDF-TrFE) membranes for lithium ion battery separators
Autor: K. Bicy, V. G. Geethamma, P Anu Paul, A.S. Anu, Sabu Thomas, Shruti Suriyakumar, Arul Manuel Stephen, Didier Rouxel, Nandakumar Kalarikkal
Publikováno v: New Journal of Chemistry
New Journal of Chemistry, Royal Society of Chemistry, 2018, 42 (24), pp.19505-19520. ⟨10.1039/C8NJ01907J⟩
Electrospun battery separators have drawn considerable attention due to their high porosity, surface area, and electrochemical performance. In this paper, a novel Al2O3 nanoparticle decorated poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE))
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61a636cf337a9ea4357f4b727bfb1b08
https://doi.org/10.1039/c8nj01907j
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10
Thermal, biodegradation and theoretical perspectives on nanoscale confinement in starch/cellulose nanocomposite modified via green crosslinker
Autor: Sabu Thomas, Tatiana G. Volova, Martin George Thomas, Preetha Balakrishnan, Matjaž Kunaver, Nandakumar Kalarikkal, V. G. Geethamma, Miroslav Huskic, Sreerag Gopi, Didier Rouxel
Publikováno v: International Journal of Biological Macromolecules
International Journal of Biological Macromolecules, Elsevier, 2019, 134, pp.781-790. ⟨10.1016/j.ijbiomac.2019.05.088⟩
International audience; In this research work, we propose a synergistic effect of a green crosslinker and cellulose nanomaterial on the crystallinity, viscoelastic, and thermal properties of starch nanocomposites. A disaccharide derivative was used a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4a0db9e669d13488e7995e5ee0b15bc
https://hal-univ-pau.archives-ouvertes.fr/hal-02148739
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