The outcome of this inefficient restoration can have a significant impact on the electrical and mechanical features of the surviving myocardium. Contact: Marc Penn, MD, PhD, director, Skirball Laboratory for Cardiovascular Cellular Therapeutics, NE3, Departments of Cardiovascular Cell and Medication Biology, Cleveland Clinic Foundation, 9500 Euclid Ave., Cleveland, Ohio, 44195. TEL: 216-444-7122 Email: Grafting bioartifical myocardium for myocardial assistance While the object of cell transplantation is to boost ventricular function, cardiac cell transplantation has already established limited success due to poor graft viability and low cell retention.Lim mentioned that sunscreens containing zinc oxide or titanium dioxide are most appropriate for the thinner pores and skin of toddlers and infants six months or older since they do not penetrate the skin and so are less likely to cause irritation. Are sunscreens safe? Scientific evidence helps the advantages of using sunscreen to minimize short – and long-term damage to your skin from sun publicity. Dermatologists concur that preventing skin malignancy and sunburn much outweigh any unproven issues for toxicity or individual wellness hazard from sunscreen substances. However, sunscreen only cannot fully protect folks from the sun.