Human Persistent Atrial Fibrillation Is Maintained by Rotors: The Jury Is Still Out Tomos E. Walters, MBBS; Jonathan M. Kalman, MBBS, PhD · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 517 123I-Meta-Iodobenzylguanidine Guanidine–Guided Ventricular Tachycardia Ablation: Will Expanding the Target Improve the Aim? Niti R. Aggarwal, MD; Panithaya Chareonthaitawee,...

the brønsted acidic ionic liquid ([bmim]hso4) catalyzed three-component synthesis of 2h-indazolo[2,1-b]phthalazine-trione derivatives at room temperature. the integrity of the ionic liquid remains reasonably unchanged when it is separated from the reaction mixture by water extraction, as it can be recycled several times without any loss of activity in each of the title syntheses. the products a...

Maxine Wright-Walters, MSc., and Conrad Volz, Dr.PH, MPH, (1) University of Pittsburgh, Graduate School of Public Health, Department of Environmental and Occupational Health, Pittsburgh PA., USA, (2) University of Pittsburgh Cancer Institute, Center for Environmental Oncology, Co-Director Exposure Assessment, Pittsburgh, PA, USA, (3) Scientific Director, Center for Healthy Environments and Comm...

This paper is designed as an introduction to the two papers that follow. It opens with remarks about the nature of systems ecology before discussing its principal technique, systems modelling. This is followed by two simple agricultural examples and a brief discussion of the potential of systems modelling in ecology. More comprehensive treatments can be found in Walters (1971), Patten (1971), a...

A partially miscible binary liquid mixture, composed of and B particles, is considered theoretically under conditions for which a stable A-rich phase in thermal equilibrium with the vapor phase. The B-rich metastable. liquids thermodynamic are chosen such, that interface between contains an intervening wetting film In order to obtain information about large-scale fluid structure around colloida...