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Over the last twenty years, the amount of information related to epitopes recognized in the course of T and B cell-mediated immune responses has dramatically increased. As of June 2004, a PubMed search using the word " epitope " , reveals a total of 5,173 records prior (with a large fraction of the 2004 records still to come). Epitope-based techniques are(More)
The purpose of this note is to describe and classify the uniform maps of type {4, 4}, {3, 6} and {6, 3} on the Klein bottle in a simple and uniform way. We determine all such maps and their symmetry properties. 1. Definitions If Γ is a graph (or multigraph or pseudograph), a topological form of Γ is a 1-dimensional cell complex where the 0-cells correspond(More)
The mammalian nicotinamide-adenine dinucleotide (NAD)-dependent deacetylase Sirt1 impacts different processes involved in the maintenance of brain integrity and in the pathogenic pathways associated with several neurodegenerative disorders, including Alzheimer's disease. Here we used human Sirt1 transgenic mice to demonstrate that neuron-specific Sirt1(More)
Intrusion detection systems are quickly becoming a standard requirement in building a network security infrastructure. Although many established techniques and commercial products exist, their effectiveness leaves room for improvement. We propose an intrusion detection system architecture which takes advantage of the mobile agent paradigm to implement a(More)
While remittance flows to developing countries are very large, it is unknown whether migrants desire more control over the uses to which remittances are put. This research uses a randomized field experiment to investigate the importance of migrant control over the use of remittances. In partnership with a large Salvadoran bank, we offered US-based migrants(More)