The teams played a scoreless first period.
Kellen Jones gave the Bobcats a 1-0 lead early in the second period.
Sophomore Devin Shore scored a shorthanded goal for the Black Bears lone score with 10:05 remaining in the second period.
Samuels-Thomas did his dramatics on the Black Bears for the second straight season.
He also scored the game winning goal in a 2-1 Bobcats victory early last season at Alfond Arena.
Michael Garteig recorded 29 saves for the Bobcats.
Quinnipiac (15-3-4) is ranked eighth nationally.
Martin Ouellette recorded 26 saves for the Black Bears.
Maine (10-7-2) will next play at Fenway Park on January 11th, when they take on Boston University.