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Upon HPLC fractionation of human placenta or calf thymus H1 histone preparations, only some fractions enriched in the H1e-c variants were able to exert a severe inhibition on in vitro enzymatic DNA methylation. These fractions, though similar to the other variants in interacting with genomic DNA, were also the only ones which could bind CpG-rich ds-oligodeoxyribonucleotides (oligos). Both the 6-CpG...
Three-dimensional shielding analysis has been performed for the ITER outline design presented to TAC-4 in January 1994. The average neutron wall loading in ITER is 0.913 MW m -2 for the nominal 1500 MW fusion power. The peak outboard and inboard neutron wall loadings are 1.193 and 0.923 MW m -2 respectively. The divertor modules along with the vacuum vessel provide adequate...
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