"So many areas of medicine rely on this type of reaction that he clearly distinguished as not being antibody mediated," said Dr. Ralph Steinman, a professor of cellular physiology and immunology at Rockefeller.
The cause of death of Williams, 31, who was found padlocked in a holdall in the bath at his flat in Pimlico, central London, was "unnatural and likely to have been criminally mediated", said Dr Fiona Wilcox.
"My work is about, 'O.K., I grew up in a world of mediated imagery,' " said Ms. Hammond, who is 52 and has sold out every show since her first one in 1989.
A professor teaching graphic design in a mediated classroom said she projects on the classroom screen, for all to see, what's on the offending student's computer.
"No generalization applies to all forms of computer-mediated communication," said Dr. Susan C. Herring, associate professor of information science and linguistics at Indiana University at Bloomington.
"It was completely unexpected to find that the sex of an animal determines aspects of their gut microbe composition... and that the hormones in turn regulate an immune-mediated disease," said lead researcher Jayne Danska, Ph.D., in a release from the Helmholtz Association of German Research Centres in Germany.
The tracking technology "takes away the rich, undisciplined reality of the race and substitutes a mediated digitized experience," said James E. Katz, a professor of communications at Rutgers University.
The staff often mediated disputes, Mr. Kean said, recalling that when his term overlapped with Mr. Carey's, the New York governor was facing a budget crisis and sought his support on a proposal to sell the World Trade Center and divide the proceeds.
The basic idea, which we discuss in terms of cell-mediated responses, is that cells infected by wild-type virus should be susceptible to both viral cytopathic effects and immune-mediated killing, say by CTL responses, whereas a 'CTL escape variant' would only be susceptible to viral cytopathic effects.
That's not true for computer-mediated communication, he said, which has a characteristic fluidity reflected, for instance, in Web pages that change or in e-mail that is cut and pasted to create a new message.
The spokesman, Sam Mayer, said the mediated talks would be held in Washington.
