We have also observed such differences (10- to 50-fold) when the inhibitory potential of CBAs such as HHA, GNA or actinohivin have been determined for cell-free virus infection of T-lymphocytes versus syncytium formation in cocultures of persistently HIV-1-infected and uninfected cells [44, 45 ].

To a lad of my age, the idea of a woman of thirty was connected with nothing but associations of far-advanced old maidenhood or very ripe matronism […]

Unprotected matter, however adamant, would have been ground to dust ages ago.

The second solution uses Merkle trees and minimizes the cost of route protection by the agent owner, so that a single digital signature suffices to protect the whole route; for hosts along the route, the verification cost is similar to the cost of previous schemes in the literature, namely one digital signature verification per route step.