TRANSFER RNA DYNAMICS AND TRANSFER-MESSENGER RNAACCOMMODATION IN BACTERIAL RIBOSOMES AT THE SINGLE-MOLECULELEVEL byMAY DAHERDecember 2012Advisor: Dr. David RuedaMajor: Chemistry (Biochemistry)Degree: Doctor of PhilosophySingle-molecule spectroscopy, protein-induced fluorescence enhancement(PIFE), fluorescence resonance energy transfer (FRET), and several ...

The purpose of this study was to determine the dose to the contralateral breast during accelerated partial breast irradiation (APBI) and to compare it to external beam-published values. Thermoluminescent dosimeter (TLD) packets were used to measure the dose to the most medial aspect of the contralateral breast during APBI simulation, daily quality assurance (QA), and treatment. All patients in ...

In immunocompetent individuals, the stability of the herpesvirus-host balance limits opportunities to study the disappearance of a virus-specific CD8(+) T-cell response. However, we noticed that in HLA-A 0201-positive infectious mononucleosis (IM) patients undergoing primary Epstein-Barr virus (EBV) infection, the initial CD8 response targets three EBV lytic antigen-derived epitopes, YVLDHLIVV ...

DNS is a critical infrastructure of the global Internet. To assure DNS’s efficient and robust operations, each domain, especially each of the Top-Level-Domains (TLDs), should deploy multiple redundant nameservers in diverse locations. To assess the robustness of TLD nameserver deployment regarding the nameserver redundancy and location diversity, we conduct a measurement study by sending specia...

BACKGROUND The narrative abilities provide valuable information about the linguistic, cognitive and social development of school-age children with typical language development (TLD). AIM To examine the temporal ordering of figures and the narrative abilities of school-age children with TLD in relation to the type of discourse presented. METHOD Participants of this study included 60 children...

background: the accurate results of the individual doses in personal dosimety which are reported by the service providers in personal dosimetry are very important. there are national / international criteria for acceptable dosimetry system performance. objective: in this research, the sources of uncertainties are identified, measured and calculated in a personal dosimetry system by tld. method:...

Dorsal cell fate in Drosophila embryos is specified by an activity gradient of Decapentaplegic (Dpp), a homologue of bone morphogenetic proteins (Bmps) 2/4. Previous genetic and biochemical studies have revealed that the Sog, Tsg and Tld proteins modify Dpp activity at the post-transcriptional level. The predominant view is that Sog and Tsg form a strong ternary complex with Dpp that prevents i...

BACKGROUND Industrial radiography is known to be one of the most vulnerable lines of work among the range of different radiation work. According to the relevant law in Korea, every worker registered in this work should check their blood cell counts every year in addition to their thermoluminescent dosimeter (TLD) doses. Since the law was enacted, however, few follow-up studies have been carried...

BMP signaling is modulated by a number of extracellular proteins, including the inhibitor Chordin, Tolloid-related enzymes (Tld), and the interacting protein Twisted Gastrulation (Tsg). Although in vitro studies have demonstrated Chordin cleavage by Tld enzymes, its significance as a regulatory mechanism in vivo has not been established in vertebrates. In addition, Tsg has been reported in diff...

BACKGROUND Dose assessment using proper dosimeters is especially important in radiation protection optimization and imaging justification in diagnostic radiology. OBJECTIVE The aim of this study is to obtain the Entrance Skin Dose (ESD) of patients undergoing lumbar spine imaging using two thermoluminescence dosimeters TLD-100 (LiF: Mg, Ti) and GR-200 (LiF: Mg, Cu, P) and also to obtain the a...