This paper presents a user-centered, model-mediated approach to bilateral telemanipulation under large communication delays. Assuming that the environment is only slowly or infrequently changing, it mitigates user perception difficulties and allows stable motion and force interactions with the remote environment. Rather than directly sending slave sensory data to the user, the method abstracts ...

The behavior of readily synthesized and even commercially available (S)-proline derivatives, was studied in the trichlorosilane-mediated reduction of ketoimines. A small library of structurally and electronically modified chiral Lewis bases was considered; such compounds were shown to promote the enantioselective reduction of different substrates in good chemical yields. In the HSiCl3 addition ...

Members of several families of cell surface and secreted proteins bind glycosaminoglycans (GAGs), the structurally heterogeneous polysaccharides found on proteoglycans. To understand the physiological significance of the interactions of proteins with GAGs, it is critical that relationships between GAG structure and binding be analyzed. It is particularly important that interactions depending on...

The ability of 14 structurally diverse estrogenic compounds to induce reporter gene expression mediated by estrogen receptors (ERs) from different species was examined. MCF-7 cells were transiently transfected with a Gal4-regulated luciferase reporter gene (17m5-G-Luc) and Gal4-ER chimeric receptors containing the D, E and F domains of the human alpha (Gal4-hERalphadef), mouse alpha (Gal4-mERal...

this study looks at the communication between users concerning health risks, with the aim of exploring their use of fora and assessing whether participants establish a niche with like-minded users during these exchanges. by integrating a corpus linguistic approach with content analysis and multiple studies on computer mediated health discourse, this study analyses the intense attention paid to ...

Knowledge of the factors controlling excited state dynamics in excitonically coupled dimers and higher aggregates is critical for understanding natural artificial solar energy conversion. In this work, we report ultrafast solvent polarity dependent structurally well-defined subphthalocyanine dimer, ?-OSubPc2. Stationary electronic spectra demonstrate strong exciton coupling Femtosecond transien...