Several national and international organizations have developed various types and levels of external audits for radiotherapy dosimetry, either based on on-site review visits or using mailed dosimetry systems. Three major TLD (thermoluminescent dosimetry) networks make available postal dose audits to a large number of radiotherapy centres on a regular basis. These are the IAEA/WHO TLD postal dos...

In 1954, Cohen and Barner discovered that a thymine auxotrophic (thyA) mutant of Escherichia coli undergoes cell death in response to thymine starvation. This phenomenon, called thymineless death (TLD), has also been found in many other organisms, including prokaryotes and eukaryotes. Though TLD has been studied intensively, its molecular mechanism has not yet been explained. Previously we repo...

During early Drosophila embryogenesis, several zygotic gene products act to establish a posttranscriptional activity gradient of the morphogen DPP. Among these molecules, Tolloid, a putative metalloprotease related to BMP-1, enhances DPP function, while SOG, an ortholog of the Xenopus organizer Chordin, inhibits DPP function. Using epistasis tests and a Xenopus secondary axis induction assay, w...

The lack of privacy in DNS and DNSSEC is a problem that has only recently begun to see widespread attention by the Internet and research communities, and the solutions proposed so far only look at a narrow slice of the design space. In this paper we investigate a new approach for a privacy-preserving DNS mechanism that hides query information from root name servers and TLD registries. Our archi...

This work presents a system for detection and tracking humans (Parkinson disease patients in our special case) in their natural home environment observed by a static single color surveillance camera. The purposed method emloys modified TLD tracker. The modifications enable the TLD to track multiple objects of multiple different classes at a time. The TLD can newly benefit from an external objec...

Desde su creación en 1978 la Escuela de Adultos La Verneda-Sant Martí, situada uno los barrios más desfavorecidos y marginados Barcelona época, las Tertulias Literarias Dialógicas (TLD) han generado transformaciones sociales contextos diversos, diferentes países, con personas diferente nivel socioeconómico educativo distintas edades. entonces desafiado teorías racistas clasistas corrientes pens...

OBJECTIVE To examine the effectiveness and feasibility of an evidence-based treatment for weight loss in children. METHODS A total of 41 children who were overweight and their families were provided a modified version of the Traffic Light Diet (TLD) in an applied setting. Children who received treatment as usual (TAU) constituted a comparison sample. RESULTS Children receiving the modified ...

Efficient and equitable dispute resolution is key to avoiding systemic disturbance in the use and valorization of top level domain names (TLDs). Such dispute resolution is also important given the increasing number of clashes between TLD providers and managers and between trademark owners and generic (gTLD)-related registrants. ICANN policies/rules form the basis of gTLD-related second level do...

The application of ionizing radiations in different fields requires the use of equipment capable of detecting their presence or quantifying them. Detectors of the most different shapes, composition and characteristics are required to cover the full range of application of ionizing radiations. At present, thermoluminescent detectors (TLD) are the most widely employed for individual gamma monitor...

PURPOSE To determine the in-air azimuthal anisotropy and in-water dose distribution for the 1 cm length of a new elongated (103)Pd brachytherapy source through both experimental measurements and Monte Carlo (MC) simulations. Measured and MC-calculated dose distributions were used to determine the American Association of Physicists in Medicine Task Group No. 43 (TG-43) dosimetry parameters for t...