Zobrazeno 1 - 10
of 315
pro vyhledávání: '"Y Narayana"'
Publikováno v:
Radiation Protection and Environment, Vol 42, Iss 3, Pp 107-111 (2019)
Systematic studies on the accumulation of210Po in 12 medicinal plants and activity concentration in associated soils have been carried out. The activity of210Po was measured using a ZnS (Ag) alpha counting system. The mean210Po activity concentration
Externí odkaz:
https://doaj.org/article/41b27f1943744db5806edd0ec0852833
Publikováno v:
Radiation Protection and Environment, Vol 42, Iss 3, Pp 102-106 (2019)
The article deals with the distribution and enrichment of210Po and210Pb in soil samples of Mangalore, Southwest Coast of India. The soil samples collected from the region were analyzed for210Po and210Pb activity using radiochemical analytical techniq
Externí odkaz:
https://doaj.org/article/352ae081f8ab4d80b2ea27e699b1646a
Enrichment pattern and depth profile of natural radionuclides in monazite areas of coastal Karnataka
Publikováno v:
Radiation Protection and Environment, Vol 41, Iss 3, Pp 152-159 (2018)
The activities of radionuclides 232Th, 226Ra, and 40K have been measured in sand samples of Ullal beach area, where presence of low-level monazite has been reported. The sand samples collected from the region, at different distances from sea waterlin
Externí odkaz:
https://doaj.org/article/1413826d1d424192b2d3f4e641492c45
Publikováno v:
Radiation Protection and Environment, Vol 41, Iss 3, Pp 128-131 (2018)
Systematic studies on radiation level and distribution of radionuclides have been carried out using NaI(Tl) detector in different locations of Akalad region, Thrissur District, Kerala. The activity of naturally occurring radionuclides viz. 40K, 226Ra
Externí odkaz:
https://doaj.org/article/bf9c1897756e4266b1de4cf8661f06ca
Publikováno v:
Radiation Protection and Environment, Vol 41, Iss 4, Pp 192-196 (2018)
The paper deals with the distribution and enrichment of natural radionuclides 232Th, 226Ra, and 40K in the soil samples of Mangalore. The soil samples collected from the region were analyzed for the activity of natural radionuclides using NaI (Tl) ga
Externí odkaz:
https://doaj.org/article/1543ac92b64947e3b58b43dd65303eda
Autor:
B G Jagadeesha, Y Narayana
Publikováno v:
Radiation Protection and Environment, Vol 41, Iss 1, Pp 37-41 (2018)
Soil samples were collected from Hassan district of South India. The analysis was carried out using NaI (Tl) gamma ray spectrometer. The 232Th activity was found to vary from 20.4 ± 1.3 Bq/kg to 136.3 ± 3.3 Bq/kg with a mean value of 56.9 ± 2.0 Bq
Externí odkaz:
https://doaj.org/article/671ddd04b9b243adaac7bab207756644
Publikováno v:
Radiation Protection and Environment, Vol 41, Iss 3, Pp 119-122 (2018)
The paper discusses the results of systematic studies of activity concentrations of the 226Ra, 232Th, and 40K in soil and sediment samples of Kali River, one of the major rivers of coastal Karnataka. The samples are collected in premonsoon, postmonso
Externí odkaz:
https://doaj.org/article/bf33df794d3f483396fcee006d2e2cef
Autor:
C S Kaliprasad, Y Narayana
Publikováno v:
Radiation Protection and Environment, Vol 41, Iss 4, Pp 189-191 (2018)
In the present study, sealed “can technique” using solid-state nuclear track detector (LR-115) films was employed to measure the radon exhalation rate and radium concentration in soil samples of Cauvery river environment. The mean values of radon
Externí odkaz:
https://doaj.org/article/aecdc7cf104d499da55555a673237d84
Publikováno v:
Air, Soil and Water Research, Vol 10 (2017)
In this study, systematic measurement of activity concentrations of 40 K, 226 Ra, and 232 Th and radon exhalation rate has been done in soil samples of Cauvery River environment. The activity was measured using HPGe gamma-ray spectrometer, and the me
Externí odkaz:
https://doaj.org/article/ad5934afebd148658468aa3e329e3da4
Autor:
Saritha Suvarna, Ujjal Das, Sunil Kc, Snehasis Mishra, Mathummal Sudarshan, Krishna Das Saha, Sanjit Dey, Anindita Chakraborty, Y Narayana
Publikováno v:
PLoS ONE, Vol 12, Iss 6, p e0178202 (2017)
Gold nanoparticles are predominantly used in diagnostics, therapeutics and biomedical applications. The present study has been designed to synthesize differently capped gold nanoparticles (AuNps) by a simple, one-step, room temperature procedure and
Externí odkaz:
https://doaj.org/article/91267a539fb541e19f0b1fa56b5b3031