Hi-Long Amp DNA Polymerase is a modified and optimized thermostable enzyme blend containing Taq DNA polymerase, Hi-Long Amp DNA polymerase and enhancing factors for high throughput PCR applications Hi-Long Amp DNA Polymerase is a modified and optimized thermostable enzyme blend containing Taq DNA polymerase, Hi-Long Amp DNA polymerase and enhancing factors for high throughput PCR applications. It ensures higher sensitivity, longer PCR products and higher yields compared to conventional Taq DNA polymerase. It exhibits the 3â to 5â proof reading activity, resulting in considerably higher amplification fidelity than possible with unmodified Taq DNA polymerase