Grabbed here
function Elevate-Process
{
$file, [string]$arguments = $args;
$psi = New-Object System.Diagnostics.ProcessStartInfo $file;
$psi.Arguments = $arguments;
$psi.Verb = "runas";
$psi.WorkingDirectory = Get-Location;
[System.Diagnostics.Process]::Start($psi);
}
Set-Alias sudo Elevate-Process;