L. M. Barnett, L. L. Hardy, D. R. Lubans, D. P. Cliff, A. D. Okely, A. P. Hills E and P. J. Morgan on behalf of the Physical Activity and Sedentary Behaviour Stream of the Australasian Child and Adolescent Obesity Research Network (ACAORN) School of Health and Social Development, Faculty of Health, Deakin University, 221 Burwood Hwy, Burwood, Vic. 3125, Australia. Prevention Research Collaborat...

Bioluminescence, which living organisms such as fireflies emit light, has been studied extensively for over half a century. This intriguing reaction, having its origins in nature where glowing insects can signal things such as attraction or defense, is now widely used in biotechnology with applications of bioluminescence and chemiluminescence. Luciferase, a key enzyme in this reaction, has been...

BACKGROUND Skeletal muscle dysfunction is a common feature in chronic obstructive pulmonary disease (COPD) which is associated with intrinsic muscular abnormalities. One of the most consistently reported alterations is a shift from fibre type I to II in the vastus lateralis of these patients. Surprisingly, the relationship between this shift and the severity and phenotype of COPD remains unclea...