While no shielding of the porphyrin would result in a nearly complete quenching and consequently very low photon output already at ambient oxygen concentrations, too much shielding would narrow the dynamic range of lifetimes and thus decrease oxygen sensitivity.
"I have very serious concerns about the concentration of too much power in one agency," he said.
The administration wants to expand that cap to include all liabilities, to limit the concentration of too much risk in any single bank.
When the manifesto was drafted for the postwar election in 1945, it contained a very clear statement about the causes of that prewar crisis: "The sure and certain result of the concentration of too much economic power in the hands of too few men".
"They see dispersal as a great thing, that it's better not to have a concentration or too much attention overinvested in one individual," said David J. Garrow, a Pulitzer Prize-winning historian who has written about the civil rights and women's rights movements".The speed and breadth of change has been just breathtaking," he added.
First, it will prevent the concentration of too much decision-making within our teams.
This much concentration is too much for many consumer advocates, union leaders, elected politicians, and U.S. Justice Department antitrust officials.
But that misses the whole point of an antitrust review: to prevent the concentration of too much market power in any one company.
"OpenLeaks will enable a much more efficient flow of information, it will build on all those existing resources in the form of qualified journalists and researchers and will avoid the concentration of too much power with one organization.
