TY - JOUR TI - Negative thermal coefficient of nanoporous biomaterials AU - Liu Fu-Juan AU - He Ji-Huan AU - Zhang Li JN - Thermal Science PY - 2012 VL - 16 IS - 5 SP - 1549 EP - 1550 PT - Article AB - Materials change their sizes when subjected to a temperature change. Generally the coefficient of thermal expansion is positive, however, a negative coefficient in nanoporous biomaterials from enteromorpha is observed.