نتایج جستجو برای: trr

تعداد نتایج: 252  

2016
Akshay Nair Mattia Veronese Xiaohui Xu Charles Curtis Federico Turkheimer Robert Howard Suzanne Reeves

PURPOSE In order to maximise the utility of [(11)C]-PBR28 for use in longitudinal studies and clinical trials in Alzheimer's disease (AD), there is a need to develop non-invasive metrics of tracer binding that do not require arterial cannulation. Recent work has suggested that standardised uptake value (SUV)-based methods may be sensitive to changes in translocator protein (TSPO) levels associa...

Journal: :Eukaryotic cell 2005
Tricia A Missall Jennifer K Lodge

Thioredoxin reductase (TRR1) is an important component of the thioredoxin oxidative stress resistance pathway. Here we show that it is induced during oxidative and nitrosative stress and is preferentially localized to the mitochondria in Cryptococcus neoformans. The C. neoformans TRR1 gene encodes the low-molecular-weight isoform of the thioredoxin reductase enzyme, which shares little homology...

ژورنال: سنجش و ایمنی پرتو 2016

In order to achieve a thermal neutron beam for neutron radiography applications, a new neutron collimator has been designed, installed and characterized at Tehran Research Reactor (TRR). TRR is a 5 MW, open pool and light water coolant reactor with seven beam tubes. Neutron collimator that is an important part of neutron radiography system was installed in the six inch E beam tube. Collimator d...

ژورنال: سنجش و ایمنی پرتو 2013

The nuclear reactors in normal or accidental operation due to error in safety system or natural hazards disperse radioactive material on the around public. Assessment of the Relative Risk (RR) and Probability Caution (PC) for personal and population around the reactor sites is essential for the reactor safety and environmental protection. It has been assumed radioactivity release from the 5 MW ...

ژورنال: سنجش و ایمنی پرتو 2013

The assessment of the absorbed doses around the nuclear reactors in normal operation and emergency condition is urgent for nuclear reactors safety. In this study the total effective dose equivalent (TEDE) for public and personnel for active molybdenum powder discharge from the 5 MW Tehran Research Reactor (TRR) due to human error using HOTSPOT 2.07 health physics code was evaluated. It was assu...

2003
Byoungcheon Lee Colin Boyd Ed Dawson Kwangjo Kim Jeongmo Yang Seungjae Yoo

It had been thought that it is difficult to provide receiptfreeness in mixnet-based electronic voting schemes. Any kind of user chosen randomness can be used to construct a receipt, since a user can prove to a buyer how he had encrypted the ballot. In this paper we propose a simple and efficient method to incorporate receipt-freeness in mixnetbased electronic voting schemes by using the well kn...

Journal: :Civil engineering design 2021

New materials allow new building designs and construction types. However, initial projects using the show that traditional principles - in case of carbon reinforced concrete those derived from steel are still being used. In other words, conventional merely substituted. Only combined with intelligent strategies it is possible to exploit full potential innovative materials. Detached established p...

Journal: :EMBO reports 2003
Eleanor W Trotter Chris M Grant

Our studies in yeast show that there is an essential requirement for either an active thioredoxin or an active glutathione (GSH)-glutaredoxin system for cell viability. Glutathione reductase (Glr1) and thioredoxin reductase (Trr1) are key regulatory enzymes that determine the redox state of the GSH-glutaredoxin and thioredoxin systems, respectively. Here we show that Trr1 is required during nor...

2008
Hiroyuki Fuji

We study the gravitational corrections to the F-term in four-dimensional N = 1 U(N) gauge theories with flavors, using the Dijkgraaf-Vafa theory. We derive a compact formula for the annulus contribution in terms of the prime form on the matrix model curve. Remarkably, the full TrR ∧ R correction can be reproduced as a special momentum sector of a single c = 1 CFT correlator, which closely resem...

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