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Structural and dielectric properties of ZrO2 added (Na1/2Bi1/2)TiO3 ceramic
Kumari,K.; Prasad,K.; Yadav,K.L.; Sen,S.Polycrystalline samples of ZrO2 added (Na1/2Bi1/2)TiO3 were prepared using high-temperature solid-state reaction method at 1050ºC and subsequent sintering at 1090ºC in air atmosphere. Rietveld analyses of XRD data indicated the formation of a single-phase hexagonal structure with R3c symmetry. Dielectric studies revealed the relaxor behaviour. The addition of ZrO2 to (Na1/2Bi1/2)TiO3 shifted phase transition te...
Aeromonas caviae septicemia in immunocompetent gastrointestinal carriers
Dwivedi,M.; Mishra,A.; Prasad,A.; Azim,A.; Singh,R.K.; Baronia,A.K.; Prasad,K.N.; Dwivedi,U.N.Aeromonas caviae strains have been isolated from blood and stool cultures of three immunocompetent patients, residents of Northern India, who presented with community acquired septicemia without any recent history of diarrhea. Cell culture infectivity test performed on Hep-2 cells have shown substantial degree of invasiveness in the isolated strains. This case unleashes a possibility of asymptomatic gastrointes...
Pathogenesis of apical periodontal cysts: guidelines for diagnosis in palaeopat...
Dias, G. J.; Prasad, K.; Santos, A. L.Apical periodontal cysts are benign lesions developing in relation to the apices of non-vital teeth due to inflammatory response from the infective pulp. These are epithelium-lined bony cavities containing fluid. Despite being widely reported in medical/dental literature, this common condition is poorly diagnosed and documented in the archaeological literature. We aim to clarify the correct terminology, demonst...
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