The thermoluminescence technique was employed to study bioglass matrix prepared using the traditional of glass making. synthesized were investigated X-ray diffraction (XRD), and differential thermal analysis (DTA) has been studied. highest thermoluminescent intensity found for composition 26.91 % CaO, 45.68 SiO2, 2.50 P2O5, 25.094 %Na2O (mol%), with only one glow peak at 460 k. TL response illu...

*長友恒 人 ,市 川米太:奈 良教育大学物理教室,奈 良 市高畑町 〒630 **星 正治:広 島大学原爆放射能医学研究所,広 島市 南区霞1-2-3 〒734 Thermoluminescence dosimetry/Gamma rays/Hiroshima and Nagasaki/Atomic bomb This study reports gamma-ray doses measured using thermoluminescence (TL)dosimetry of atomic-bomb exposed ceramic samples from Hiroshima and Nagasaki. Advances in the dosimetry of TL-sensitive minerals in the field of TL dating of archaeolo...

Thermoluminescence emission from wheat leaves was recorded under various controlled drought stress conditions: (i) fast dehydration (few hours) of excised leaves in the dark (ii) slow dehydration (several days) obtained by withholding watering of plants under a day/night cycle (iii) overnight rehydration of the slowly dehydrated plants at a stage of severe dessication. In fast dehydrated leaves...

BACKGROUND Accelerated partial breast irradiation via interstitial balloon brachytherapy is a fast and effective treatment method for certain early stage breast cancers however skin, chest wall and Lung doses are correlated with toxicity in patients treated with breast brachytherapy. OBJECTIVE To investigate the percentage of the dose received by critical organ (skin), thermoluminescence dete...

The mode of action of three types of conjugated enamine compounds was investigated by means of thermoluminescence measurement. Cyanoacrylate and 2-(l-ethoxyethylam inom ethylidene)-4-dodecyl-5,5-dim ethyl-cyclohexane-l,3-dione (A C m l2 ) converted the B-band (30 °C) arising from S2Q | charge recombination to a downshifted 6 °C-band. This band was proved to be identical with the DCM U-induced Q...

Rare earth ions play an important role in modern technology as optically active elements in solid-state luminescent materials. In many of these materials, interactions between the electronic band states of the host crystal and the rare earth ion’s localized 4f and 4f 5d states influence the optical properties of materials. This paper reports the mechanoluminescence (ML) induced by impulsive exc...

Nyos maar is located in the Cameroon Volcanic Line and generates a multitude of primary and secondary hazards to the local population. For risk assessment and hazard mitigation, the age of the Nyos maar eruption provides some vital information. Since previous dating efforts using a range of techniques resulted in vastly varying eruption ages, we applied thermoluminescence (TL) methods to obtain...

Anomalies in photosynthetic activity of the soybean cell line STR7, carrying a single mutation (S268P) in the chloroplastic gene psbA that codes for the D1 protein of the photosystem II, have been examined using different spectroscopic techniques. Thermoluminescence emission experiments have shown important differences between STR7 mutant and wild type cells. The afterglow band induced by both ...