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An Efficient, One-Pot Synthesis of 1,3-Disubstituted imidazo[1,5-a]pyridines, Fe(OTf)3 Mediated C-C Bond Formation

Autor: T.C. Raveesha, null Kemparajegowda, Hassan A. Swarup, B.K. Kempegowda, T. Demappa

Publikováno v: Asian Journal of Chemistry. 35:1225-1230

A vital approach of Fe(OTf)3 and MS3Å (molecular sieves 3Å) mediated one pot synthesis of 1,3-disubstituted imidazo[1,5-a]pyridines from dithioester, 2-methylaminopyridine and alcohol. This methodology involves the intramolecular cyclization and C�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36d1cefca284abe2ce4e182729e569f8
https://doi.org/10.14233/ajchem.2023.27602

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Effect of NaBr on the Structural, Thermal and Mechanical Properties of HPMC:NaBr Composite Films

Autor: Sunil Kumar, S. Raghu, T. Demappa, J. Sannappa

Publikováno v: Asian Journal of Chemistry. 34:305-310

The hydroxypropyl methylcellulose (HPMC):sodium bromide (NaBr) composite films were prepared using different concentrations by solution casting method. The crystalline percentage of the pure HPMC was reduced from 74% to 60% upon the incorporation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f70c0a6ec07067f71de18af083a30c0
https://doi.org/10.14233/ajchem.2022.23507

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Polymer nanocomposites comprising PVA matrix and AgGaO2 nanofillers: Probing the effect of intercalation on optical and dielectric response for optoelectronic applications

Autor: T Demappa, M A Sangamesh, L R Shivakumar, T E Somesh, Siddaramaiah Siddaramaiah

Publikováno v: Indian Journal of Science and Technology. 14:2579-2589

Objectives: Synthesis of hybrid nanoparticles (NPs) and intercalation of as prepared NPs inside polymer matrix to fabricate polymer nanocomposites (NC) and evaluate the optoelectronic properties. Method: A simple, time consuming solution combustion m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a187aa4a15274930a1fca1270ec2c6cd
https://doi.org/10.17485/ijst/v14i31.1614

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Controlled drug release of levofloxacin from poly (acrylamide) hydrogel

Autor: G P Mamatha, T Demappa, N D Satyanarayan, T Madhusudana

Publikováno v: International Journal of Research in Pharmaceutical Sciences. 12:1037-1043

Hydrogels are 3D polymer networks capable to absorb and release water or biological fluids. They are stimuli-responsive materials, which can show rapid volume changes with response to small changes in environmental parameters such as ionic strength,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5beab6e240cccc7546ba51ab7a0e7f19
https://doi.org/10.26452/ijrps.v12i2.4631

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Influence of NaF salt doping on electrical and optical properties of PVA/PVP polymer blend electrolyte films for battery application

Autor: A. Manjunath, T. Demappa, S. S. Mahesh, Mohammed Irfan, R. Somashekar

Publikováno v: Journal of Materials Science: Materials in Electronics. 32:5520-5537

Solid polymer electrolyte films of poly(vinyl alcohol) (PVA)/polyvinylpyrrolidone (PVP) doped with sodium fluoride (NaF) of different weight ratios (2, 4, 6, 8, and 10 wt%) have been prepared by using solution casting method. These films are characte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::94658e8e9f28199b5f27683a3e9aa968
https://doi.org/10.1007/s10854-021-05274-1

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Studies on structural and electrical properties of NaI doped PEO/CMC blend solid polymer electrolyte

Autor: NAGAIAH N, B N Samartharama, M R Ambika, T Demappa

Solid polymer blend electrolyte films of PEO/Na-CMC doped with NaI, were prepared by solution cast method and their structural, optical and electrical properties were investigated using X-Ray diffraction, Fourier transform infrared spectroscopy, UV-V

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c93dd52d76fe056c466e5e317e19c5a8
https://doi.org/10.21203/rs.3.rs-1465678/v1

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Synthesis and Swelling Behavior of Sodium Alginate/Poly(vinyl alcohol) Hydrogels

Autor: Lachakkal Rudrappa Shivakumara, T. Demappa

Publikováno v: Turkish Journal of Pharmaceutical Sciences
Turkish Journal of Pharmaceutical Sciences, Vol 16, Iss 3, Pp 252-260 (2019)

Objectives Hydrogels are macromolecular networks able to absorb and release water/biological fluids in a reverse-phase manner, in response to specific environmental stimuli. Such stimuli-sensitive behavior makes hydrogels interesting for the design o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::243e231e68188a3927a197efcafb6e0c
https://doi.org/10.4274/tjps.galenos.2018.92408

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