Zobrazeno 1 - 10
of 926
pro vyhledávání: '"G Lakshminarayana"'
Publikováno v:
Journal of Orofacial Sciences, Vol 7, Iss 2, Pp 86-89 (2015)
Introduction: Many histopathological parameters in oral tongue squamous cell carcinoma (OTSCC) have been identified as predictive factors. Certain tumor-related factors increase the risk of nodal metastasis, and many pathological factors affect survi
Externí odkaz:
https://doaj.org/article/6c1667daa0604deaba684ea8d2eef53c
Autor:
A.M. El-naggar, Lamya A. Alsulaymani, A.M. Kamal, A.A. Albassam, G. Lakshminarayana, Mohamed Bakr Mohamed
Publikováno v:
Polymer Testing, Vol 138, Iss , Pp 108551- (2024)
Using the solution casting procedure, poly (vinyl alcohol)/carboxymethyl cellulose/polypyrene/milled multiwall carbon nanotubes, PVA/CMC/PPy/x wt% milled MWCNTs blended polymers were formed. X-ray diffraction and scanning electron microscopy were emp
Externí odkaz:
https://doaj.org/article/ac4977cbf7d744f08460c5021aed435d
Autor:
A.M. El-naggar, Lamya A. Alsulaymani, Mohamed Bakr Mohamed, Ahmad A. Alsaleh, A.M. Kamal, A.A. Albassam, A.M. Aldhafiri, G. Lakshminarayana
Publikováno v:
Results in Physics, Vol 64, Iss , Pp 107924- (2024)
Polyvinyl alcohol (PVA) and carboxymethyl cellulose (CMC) have been used as polymeric matrices to create polymeric nanocomposite films that contain polypyrrole (PPY) and melanin as fillers. The structure of the PVA/CMC/PPy/x wt % melanin blends was a
Externí odkaz:
https://doaj.org/article/7ef57b5bf88d4f8f8d15d55596e7f596
Publikováno v:
Next Materials, Vol 2, Iss , Pp 100078- (2024)
Yb3+ and Ho3+ co-doped Lu1.5Y1.5Al5O12 (abbr. as Yb/Ho:LuYAG) crystals were grown using Czochralski method, and their spectroscopic properties were systematically studied. The effect of the doping concentration of Yb3+ on the spectroscopic performanc
Externí odkaz:
https://doaj.org/article/940e7ecd90554c039b798b4351c7ac74
Autor:
G. Lakshminarayana, M.G. Dong, M.S. Al-Buriahi, Najeh Rekik, Dong-Eun Lee, Jonghun Yoon, Taejoon Park
Publikováno v:
Journal of Materials Research and Technology, Vol 22, Iss , Pp 1268-1296 (2023)
Current work presents the synthesis of B2O3–Gd2O3–Li2O–Na2O–LiF‒Sm2O3 glass system via melt-quench approach and scrutiny of its mechanical, thermal, structural, physical, and nuclear radiation attenuation aspects. Raman scattering and Fouri
Externí odkaz:
https://doaj.org/article/aac71a77a43d486ea9e729249e11bd89
Publikováno v:
Journal of Taibah University for Science, Vol 16, Iss 1, Pp 174-182 (2022)
Nano Zn0.75−xMnxCd0.25S (x = 0, 0.05. 0.1, 0.15) doped PVA/PEG (7:3) polymer blend was fabricated . X-ray diffraction and scanning electron microscope techniques were used to investigate the possible formed phases in the nanofiller samples, and the
Externí odkaz:
https://doaj.org/article/70f7552de67b4a9a8cf67df366d1604c
Autor:
G. Lakshminarayana, A.N. Meza-Rocha, O. Soriano-Romero, U. Caldiño, A. Lira, Dong-Eun Lee, Jonghun Yoon, Taejoon Park
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 3457-3477 (2022)
Current work principally provides an idea on controlling the Er3+: NIR (near-infrared) emission characteristics by changing a glass constituent and finding a suitable glass host favorable to design a novel C-optical band (1.53–1.565 μm) amplifier.
Externí odkaz:
https://doaj.org/article/339ef424589249e1b3c52a240935adce
Autor:
G. Lakshminarayana, A.N. Meza-Rocha, O. Soriano-Romero, U. Caldiño, A. Lira, Dong-Eun Lee, Jonghun Yoon, Taejoon Park
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 658-680 (2022)
For synthesized each 1 mol% Er3+, Tm3+, and Nd3+-doped borate-rich glasses, optical and luminescence traits including fluorescence decay dynamics were explored. For Er3+: glass, at 1.4–1.65 μm range a wide NIR (near-infrared) luminescence band cen
Externí odkaz:
https://doaj.org/article/dabce00af7fc43439b2f48f3fbfbb1b5
Autor:
G. Lakshminarayana, A.N. Meza-Rocha, O. Soriano-Romero, E.F. Huerta, U. Caldiño, A. Lira, Dong-Eun Lee, Jonghun Yoon, Taejoon Park
Publikováno v:
Journal of Materials Research and Technology, Vol 13, Iss , Pp 2501-2526 (2021)
For six 1 mol% Pr3+-doped B2O3–Bi2O3–ZnO–NaF glasses consisting of single and mixed alkali oxides, optical absorption and visible and near-infrared (NIR) luminescence traits including visible fluorescence decay times were investigated. Judd–O
Externí odkaz:
https://doaj.org/article/3bea40f519584ba9a26cb130a00690e2
Autor:
G. Lakshminarayana, Ashok Kumar, H.O. Tekin, Shams A.M. Issa, M.S. Al-Buriahi, Dong-Eun Lee, Jonghun Yoon, Taejoon Park
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 6, Pp 14549-14567 (2020)
For five B2O3–Bi2O3 glasses, detailedly, γ, neutron, & proton, alpha, and electron (charged particles) shielding efficacies were assessed in this work. The crucial photon attenuating (interaction probabilities) parameter i.e., mass attenuation coe
Externí odkaz:
https://doaj.org/article/4028ab056784434ead1f834bb0323934