Rekayasa Dinding Jantung Artifisial untuk Terapi Infark Miokard: Perbandingan Suhu Optimal Transpor Jaringan untuk Isolasi Kardiomiosit antara Medium Konvensional (4⁰C) dengan Medium Fisiologis (37⁰C) = Artificial Cardiac Tissue Engineering for Myocardial Infarction Therapy: Comparison of Optimal Tissue Transport Temperature for Isolation of Cardiomyocytes between Conventional Medium (4⁰C) and Physiological Medium (37⁰C)