The Cameroon international was shown a straight red card just over ten minutes from time in his side's eventual 1-0 defeat at the Emirates Stadium for a frustrated kick-out at Gunners skipper Thomas Vermaelen but feels he has already learnt from his glaring mistake.
"I'm sorry about Saturday," Mbia wrote on Twitter. "I've learned for next time.
"Thanks to fans and team for the support. Very focused for next important dates."