radiation sample Articles

  • Assessment of radiation dose due to natural radionuclides in various cement samples

    Samples of Ordinary Portland Cement (OPC) and Portland Pozzolana Cement (PPC) from five companies were analysed for the measurement of 226Ra, 232Th and 40K using a HPGe detector based on high–resolution gamma spectrometry system. The measured ...


    By Inderscience Publishers

  • Radiation Monitors and Meters

    Light Description and Applications The light meter is a portable unit designed to measure visible, UV, and near-UV light in the workplace. (The CTC has a UV light meter available through its loan program, ALEP.) The light meter is capable of reading any optical unit of energy or power level if the appropriate detector has been calibrated with the meter. The spectral range of the instrument is ...

  • Aerial Radiation Detection

    In this time of multiple threats to our security: dirty bomb; cyber; shooters in public places; homemade bombs; misinformation; etc. we feel extremely vulnerable; perhaps more vulnerable than ever before. With the advent of Drone technology now available to private citizens, technology previously only held by the military, the opportunity has come to marry Drone Technology with aerial sensors. ...


    By Technical Associates

  • A study of radiation shield effectiveness

    A brief comparison of temperature readings in two passively-ventilated and three fan-aspirated radiation shields under conditions of low wind and relatively high insolation is presented. From each of two periods of study, two days were chosen for conditions of high insolation and low wind to illustrate a reasonable sample of the performance of the shields. A single sample of each shield was used ...


    By Davis Instruments Corp.

  • Non-Ionising Radiation

    Pressures on the environment may occur through chemical, physical and biological agents. The subject of this study is physical agents, where physical fields are examined. Physical fields are part of the natural environment. Depending upon their properties and the surrounding conditions, physical fields are transmitted through the spaces in which we live, potentially affecting human health and ...

  • The design of an ICT module for radiation protection training purposes

    The Nuclear Research Center of Algiers (CRNA) organises each year radiation protection training courses to the benefit of such users from both the industrial and the medical fields. The Algerian Atomic Energy Commission (COMENA) has taken active steps towards the incorporation and adoption of ICT-based training modules in nuclear science and technology and related applications. The objective of ...


    By Inderscience Publishers

  • Recycling Cellulsic Wastes Through Radiation Treatment

     Abstract Recycling agricultural cellulosic wastes such as peanut hulls, wheat straw and sugarcane bagasse to reducing sugars and glucose has been conducted through radiation treatment. The conversion of such wastes to reducing sugars and glucose is a way to reduce their environmental impact. Raw peanut hulls, wheat straw and sugarcane bagasse were subjected to gamma rays at dose ...


  • DNA and radiobiological material bank of persons exposed to ionising radiation

    The structure of the DNA and radiobiological material bank of the Seversk Biophysical Research Center is described. Workers of the Siberian Group of Chemical Enterprises (SGCE) and their relatives are the subjects of the storage. Cytogenetic analysis, including Gbanding, is being performed for the participants. Currently, the bank contains 700 DNA and blood samples of workers of SGCE, 123 DNA and ...


    By Inderscience Publishers

  • The nanoparticles of BaSO4:Eu as detectors for high doses of different ionising radiations

    Nanoparticles of a BaSO4:Eu phosphor with a particle size of around 40 nm have been irradiated by 48 MeV 7Li3+, 75 MeV C6+ and 90 MeV O7+ ion beams at the fluence range of 1 ∼ l09–1 ∼ 1013 ions/cm2. The thermoluminescence (TL) glow curves of the irradiated samples were recorded and studied. The microcrystalline form of this sample is included in the study with the aim of reporting a comparative ...


    By Inderscience Publishers

  • DNA repair in nuclear workers after occupational exposure to ionising radiation

    Recently, for purposes of radiation safety, the validation of the linear non-threshold (LNT) hypothesis at low doses of radiation was actively discussed. New knowledge, especially on subcellular level, might contribute to the clarification of this problem. The aim of our study was to describe the patterns of spontaneous (rs_sp) and induced (rs_ind) leukocyte DNA repair in workers from the Nuclear ...


    By Inderscience Publishers

  • Sulphur removal from used automotive lubricating oil by ionising radiation

    In this work, gamma radiation was used to remove sulphur from used automotive lubricating oil. The sample was fractioned and irradiated with 10, 20, 50, 100, 200 and 500 kGy doses in a 60Co irradiator (Gammacell-220 – 12 kCi). Fifty percent and 70% (v/v) of MilliQ water and 30% (v/v) of hydrogen peroxide were used to improve the radiolysis. The sulphur content, before and after the irradiation, ...


    By Inderscience Publishers

  • Expression of apoptotic genes can distinguish radiation workers from normal population

    Ionising radiation can be produce different forms of DNA damage on living cells. Changes in biomarkers due to exposure to ionising radiation can be an appropriate tool for the immediate recognition of individuals exposed to radiation after a radiological accident or nuclear disaster. QPCR technique, as an approved method, can be used for analysing the expression levels of sensitive genes ...


    By Inderscience Publishers

  • Chromosomal aberrations in radiation workers of radiology departments in Northern Iran-Babol

    We determined the frequency of chromosomal aberrations using the metaphase analysis method in radiation workers of radiology departments in Babol. Blood samples were prepared from 62 radiology workers and 29 individuals as controls, and lymphocytes were cultured in a culture medium. Results showed that the mean frequencies of the total chromosomal aberration in radiation workers are significantly ...


    By Inderscience Publishers

  • Development of an in vivo assay for detection of non-targeted radiation effects

    An adaptive response may be defined as the effect of a small priming dose of radiation modifying the anticipated cellular response of the same tissues so as to alter the predicted response to a larger dose of radiation. We and many others have demonstrated that at low radiation doses (less than 0.5 Gy) the lethal and mutational effect of the radiation is mainly, possibly entirely, due to the ...


    By Inderscience Publishers

  • The application of radiation sources in the oil and gas industry and shortages in their services

    Oil and gas industries utilise many radiation sources in various applied radiation-based technologies. Those technologies provide significant benefit to the daily operations of the industry. Gamma emitting sources of Cs-137, Co-60, Ba-133, Am-241 are used in oil and gas well logging, in Multiphase Flow Meter (MPFM) technology at oil and gas production facilities and in transmitted level gauges ...


    By Inderscience Publishers

  • Radioactivity and radiation hazard evaluation in the environment of coastal Kerala, India

    Systematic investigations on the radiation level and distribution of natural radionuclides in the soils and sands of coastal Kerala were carried out to evaluate the radiation hazard. The gamma-dose rate in the high background area of coastal Kerala is exceptionally high compared with normal background areas. The activity concentrations of 232Th, 226Ra and 40K in soil and sand samples of coastal ...


    By Inderscience Publishers

  • Water disinfection by solar radiation in a green house effect device

    The water-borne diseases are major concerns in developing countries since they are the main cause of sickness and death among the population in rural communities. The traditional methods such as chlorination and the use of fuelwood to boil water has important environmental consequences and in some cases are rejected by population. The solar water heaters are considered as an effective, low cost ...


    By Inderscience Publishers

  • A chromosomal radiosensitivity study of a population of radiation workers using the micronucleus assay

    The micronucleus (MN) assay already applied to the biomonitoring of radiation workers is a relatively easy and fast technique allowing assessment of the individual chromosomal radiosensitivity status of radiation workers on a large scale. A pilot study was set up to evaluate the chromosomal radiosensitivity in a group of 99 male radiation workers from the nuclear power plant Doel in Belgium. ...


    By Inderscience Publishers

  • Evaluation of natural radioactivity in rocks of Nilgiri hills and their radiation hazard to mankind

    Twenty three rock samples were collected from various altitudes of Nilgiri hills, Tamil Nadu, India. A survey was carried out to determine the activity concentration of selected radionuclides (238U, 232Th, 40K) by means of gamma–ray spectroscopy using NaI (Tl) detector. From the measured spectra, ...


    By Inderscience Publishers

  • Radiation Water Monitor in Real-Time and Continuous at Jefferson NL 2006

    Jefferson National Laboratory is a high tech laboratory located on a beautiful campus in suburban Virginia. Their research is centered on their high-energy electron accelerator. Energies generated are as high as 6 Gev continuous with currents up to 200 micro Amps. Where does the high-energy accelerator beam go after smashing atoms in the experimental sample? It impacts into a tank of purified ...


    By Technical Associates

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