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Isolated skinned frog skeletal muscle fibers were activated (increasing [Ca2+]) and then relaxed (decreasing [Ca2+]) with solution changes, and muscle force and stiffness were recorded during the steady state. To investigate the actomyosin cycle, the biochemical species were changed (lowering [MgATP] and elevating [H2PO4-]) to populate different states in the actomyosin ATPase cycle. In solutio...

Agroforestry has large potential for carbon (C) sequestration while providing many economical, social, and ecological benefits via its diversified products. Airborne lidar is considered as the most accurate technology for mapping aboveground biomass (AGB) over landscape levels. However, little research in the past has been done to study AGB of agroforestry systems using airborne lidar data. Foc...

iii Acknowledgements iv Introduction  Data  Identifying the Spatial Pattern and its Dynamics  Methods  Results  Modelling the Spatial Pattern and its Dynamics  Methods  Results  Discussion  Conclusion  Literature Cited  tables . Summary information about the nine study plots  . Estimated parameters for the Poisson cluster processes  figures . Plot   . Plot   3. Pl...

Enzymes often act on more than one substrate, and the question then arises as to whether this can be attributed to the existence of two different enzymes that have not been separated or, more interesting, to the presence of two different active sites in the same enzyme. The competition plot is a kinetic method that allows us to test with little experimentation whether the two reactions occur at...

BACKGROUND Atrial fibrillation (AFib) is one of the prominent causes of stroke, and its risk increases with age. We need to detect AFib correctly as early as possible to avoid medical disaster because it is likely to proceed into a more serious form in short time. If we can make a portable AFib monitoring system, it will be helpful to many old people because we cannot predict when a patient wil...

The endangered Ethiopian wolf is considered the rarest canid in Africa. The species faces many threats and is particularly vulnerable to diseases such as rabies. A simple, low-technology means to monitor populations would greatly facilitate conservation efforts, through early detection of population changes and behavior, and signaling a need for intervention. We tested a passive tracking index ...