Geochemical studies of rare earth elements (REEs) as well major and trace were conducted on the beach placer sands from Kanyakumari coastal region, a well-known high background natural radiation area (HBNRA). For first time, uranium isotope ratios (234U/238U 235U/238U) determined in study to investigate provenance leaching U sands. Inductively coupled plasma mass spectrometry was used for measu...

Surface ozone (Surface O3)is a secondary pollutant and there are only limited studies on ozone in South India. Studies have revealed a strong correlation between higher ozone levels and warmer days. Surface O3 along with its precursors like NO2, CO and CH4 are being measured at Kanyakumari (8.0780° N, 77.5410° E), TamilNadu, India and in this paper we present the summer time variation of ozone ...

!30 years of age are at higher risk of developing acute hepatitis A than are those aged 140 years (OR, 5.5; 95% CI, 1.2– 23.3). Patients who acquired HIV infection during sex had higher rates of natural hepatitis A immunity than did those who acquired HIV infection parenterally (61% vs. 38%; ). P p .13 These data support the recommendation of hepatitis A vaccination for patients with HIV infect...

eight selected heavy metals (cu, zn, pb, cd, cr, mn, fe and al) in surface and sub-surfacesediments in the northern coast of sfax (tunisia) were studied in order to assess the sediment quality and tohighlight the anthropogenic contributions to heavy metal distributions in the two study sediment levels.multiple chemometric approaches based on geographic information system (gis), enrichment facto...

water samples were collected from five selected mangrove ecosystems along kerala coast, north of cochin, on seasonal basis and analysed for various hydrographic parameters. to explain spatiotemporalvariations and the processes controlling their distribution, anova (two factor without replication),correlation and principal component analysis were carried out. concentration of total nitrogen vari...