Figure 1: FRET sensors for the β-arrestin2–receptor interaction and receptor-dependent conformational changes in β-arrestin2. Figure 2: Kinetics of the interaction of β-arrestin2 with β 2 AR ...

The Department of Telecom has come out with new guidelines on SIM upgradation to 3G or 4G from 2G, which can be activated only with a clear go-ahead from mobile users and on their request.

MANILA, Philippines — Mobile phone users who fail to register their subscriber identity module (SIM) risk deactivation from ... SIM cards before their use and activation by the telcos.

Existing subscribers have six months under the new rule to register their SIM card — or face deactivation ... as a prerequisite to their sale and activation. The registration platform of ...

If these SIM cards are not reactivated within these three months, the operators can permanently deactivate them and ultimately resell them 18 months after the last activation. Grameenphone Senior ...