The Raman scattering of a molecule is generated by interactions of its electrons with incident light. The electric vector of the Raman scattered light is related to the electric vector of the incident light through a characteristic Raman tensor. A unique Raman tensor exists for each Raman-active molecular vibrational mode. In the case of biologically important macromolecules Raman tensors have ...

This study was undertaken to observe the changes in coagulation and platelet profile, and findings were correlated with their outcome. Forty consecutive children with severe falciparum malaria were studied for their coagulation status, i.e. prothrombin time (PT), activated thromboplastin time (APTT), thrombin time (TT) and anti-thrombin-III (AT-III), platelet profile (platelet count, platelet a...

We have investigated the influence of the different lipid classes of Escherichia coli on Sec-independent membrane protein insertion, using an assay in which a mutant of the single-spanning Pf3 coat protein is biosynthetically inserted into liposomes. It was found that phosphatidylethanolamine and other non-bilayer lipids do not have a significant effect on insertion. Surprisingly, the anionic l...

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Bacterial integral inner membrane proteins are either translocated across the lipid bilayer using an energy-driven enzyme, such as the Sec translocase, or they might interact directly with the membrane due to hydrophobic forces. We report that the single-spanning Pf3 coat protein is spontaneously inserted into the membrane of Escherichia coli and requires the electrical component of the membran...