I am deeply grateful for the honor of addressing you as the President of your Association. At the same time, I feel more humble at this moment than ever before in the awareness of my own ignorance of cancer and of the gaps in knowledge that must be filled before the members of our profession will know adequately how to prevent and con trol the many diverse forms of neoplasia. Lest we become dis...

The main activity of a plant seedling is growth. During early development, growth is mainly longi tudinal, so that a simple measurement of length re veals much about the growth processes. For this reason, plant seedlings have been widely used to study the effects of radiation on growth. We have been studying the responses to radia tion of Mung beans (Phaseolus aureus). We had previously investi...

Rare earth permanent magnet models are commonly used in the design of undulators and wigglers. Normally the operating point of the magnet in the B vs. H diagram corresponds to a linear reversible characteristic. The region of linearity is strongly dependent on the temperature. The operation of part of the magnet blocks in the region of non-linearity is responsible for the so-called irreversible...

The article describes a flexible concept of measuring system consisting of PXI-5670 RF vector signal generator and PXI 5661 RF vector signal analyzer. The measuring system structure is based on PXI modular system that applies synthetic instrumentation concept software-based approach to measurement of wireless transmission systems basic parameters. Synthetic instrumentation is the future, partic...

In this paper we develop an analytical model in order to study electromagnetic processes involving loosely bound neutron–rich and proton–rich nuclei. We construct a model wave function, to describe loosely bound few–body systems, having the correct behaviour both at large and small distances. The continuum states are approximated by regular Coulomb functions. As a test case we consider the two–...

Since the discovery of glutathione (16), many workers have demonstrated its occurrence and the significant role of sulfhydryl groups in growing tissues and organisms (13, 17, @4). More recently, the studies of Hellerman et al. (14), Rapkine (@3), and Barron et al. (1, 3) have emphasized the im portance of -SH groups in enzyme systems. Bar ron et al. (1) found that small amounts of x-radia tion ...

BRCA1 is a major player in the DNA damage response. This is evident from its loss, which causes cells to become sensitive to a wide variety of DNA damaging agents. The major BRCA1 binding partner, BARD1, is also implicated in the DNA damage response, and recent reports indicate that BRCA1 and BARD1 co-operate in this pathway. In this report, we utilized small interfering RNA to deplete BRCA1 an...

Understanding of the factors influencing the spontaneous development and the transplantation of experimental neoplasms has been sought in studies of rat and mouse leukemia. Since leukemia is induced readily in various strains of mice by either carcinogenic hydrocarbons, ionizing radia tions, estrogens, or combinations of these agents (81, 66), the disease has been the subject of recent studies ...

Recent progress in analytical calculation of the multiple {inverse, binomial, harmonic} sums , related with ε-expansion of the hypergeometric function of one variable are discussed. 1. In the framework of the dimensional regular-ization [1] many Feynman diagrams can be written as hypergeometric series of several variables [2] (some of them can be equal to the rational numbers). This result can ...