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Coordinated underground measurements of gamma-ray emitting radionuclides for plasma physics research
Tzika, Faidra,Hult, Mikael,Fenyvesi, Andrá,s,Bandac, Iulian,Degering, Detlev,Ianni, Aldo,Laubenstein, Matthias,de Vismes-Ott, Anne,Marissens, Gerd,Stroh, Heiko,Lutter, Guillaume,Son, Soohyun,Hon Elsevier 2017 Applied radiation and isotopes Vol.126 No.-
<P><B>Abstract</B></P> <P>Forty-eight samples made of CaF<SUB>2</SUB>, LiF and YVO<SUB>4</SUB> were placed inside the KSTAR Tokamak and irradiated by neutrons and charged particles from eight plasma pulses. The aim was to provide information for plasma diagnostics. Due to the short pulse durations, the activities induced in the samples were low and therefore measurements were performed in five low-background underground laboratories. Details of the underground measurements, together with data on the quality control amongst the radiometric laboratories, are presented.</P> <P><B>Highlights</B></P> <P> <UL> <LI> First activation probe experiment was conducted at KSTAR Tokamak. </LI> <LI> The activated samples were measured with low level gamma-ray spectrometry. </LI> <LI> Five CELLAR underground laboratories participated in the measurement campaign. </LI> <LI> The metrological aspects and the comparability of the measurements are discussed. </LI> <LI> The final aim is to determine the neutrons and charged particles fluxes at KSTAR. </LI> </UL> </P>
Fascial entrapment of the sural nerve and its clinical relevance
George K Paraskevas,Konstantinos Natsis,Maria Tzika,Orestis Ioannidis 대한해부학회 2014 Anatomy & Cell Biology Vol.47 No.2
Sural nerve presents great topographic variability and it is responsible for sensory innervation of the posterolateral side of the distal third of the leg and lateral aspect of the foot. Entrapment of the nerve could be caused by compression due to fascial thickening, while the symptomatology includes sensory alterations and deficits at the nerve distribution area. We report a cadaveric case of a variant sural nerve that presented a distinct entrapment site. A supernumerary sensory branch was encountered originating from the common peroneal nerve, while the peroneal component of the sural nerve was observed to take a course within a fibrous fascial tunnel 3.1 cm in length that caused nerve fixation and flattening. The tension applied to the aforementioned branch was shown to worsen during passive forcible foot plantaflexion and inversion. The etiology, diagnosis and the treatment options are discussed comprehensively.
The Effect of Probiotics on Microbiology, Health and Performance of Fattening Rabbits
Kritas, S.K.,Petridou, E.I.,Fortomaris, P.,Tzika, E.,Arsenos, G.,Koptopoulos, G. Asian Australasian Association of Animal Productio 2008 Animal Bioscience Vol.21 No.9
The objective of the present trial was to determine the effect of a thermostable probiotic containing Bacillus licheniformis and B. subtilis on health and production parameters of fattening rabbits from weaning until slaughter. In a rabbitry with average post-weaning mortality of 5-9%, 1,680 rabbits were supplied with: a) a basic feed, or b) the same basic feed supplemented with probiotic from the 4th day postweaning (41st day of age) up to 88th day of age. Clinical signs, microbiological status and growth performance were recorded for two distinct fattening periods, growing and finishing. A significant decrease in mortality of probiotic-treated rabbits when compared to the controls was observed during the growing and entire fattening periods. Within these periods, E. coli and C. perfringens - but not P. multocida - were isolated at a lower frequency from probiotic-treated rabbits (p<0.05). Compared to the control animals, probiotic-treated rabbits were 54 g and 123 g heavier at the end of the growing and finishing phases, respectively, and had significantly higher average daily gain and better feed conversion ratio (p<0.05).