Fig. 1From: Measuring inorganic phosphate and intracellular pH in the healthy and hypertrophic cardiomyopathy hearts by in vivo 7T 31P-cardiovascular magnetic resonance spectroscopyA photograph of our custom-built dual-tuned (31P/1H) surface RF-coil, comprising a quadrature 31P coil (two 15 cm loops, with overlap decoupling) and a single 1H loop (10 cm in diameter) described in detail in Schaller et al. [15]Back to article page