Hopkins, Harry

Harry Clary Jones of Johns Hopkins University wrote his colleague, Edgar Fahs Smith, at the University of Pennsylvania from Germany in the summer of 1904 ... 

Aug. 29, 1931). Reprints and reviews of papers by Vauquelin, Mosander, Boisbaudran, Auer von Welsbach, Demarcay, and Harris, Yntema, and Hopkins. 

Deinhardt K, Berninghausen O, Willison HJ, Hopkins CR, Schiavo G (2006) Tetanus toxin is internalized by a sequential clathrin-dependent mechanism initiated within lipid microdomains and independent of epsinl. J Cell Biol 174 459-71 Dixon RW, Harris JB (1999) Nerve terminal damage by beta-bungarotoxin its clinical significance. Am J Pathol 154 447-55... 

Thanks are due to several friends and colleagues, who corrected errors and oversights in the early drafts Professor Massimo Carbucicchio (University of Parma, Italy), Professor Michael Bowman, Dan Goebbert, Shanlin Pan, and Richard Tipping (University of Alabama), Professor Harris J. Silverstone (Johns Hopkins University), Professor Zoltan G. Soos (Princeton University),... 

See John P. Swann, The History of Pharmacy and Estates of Pharmacy Institutional Frameworks for Drug Research in America, Pharmacy in History 32 (1990) 3-11 and Harry M. Marks, The Progress of Experiment Science and Therapeutic Reform in the United States, 1900-1990 (Baltimore Johns Hopkins University Press, 1997). 

Janet L. Marshall, Michael D. Hopkins, and Harry B. Gray... 

Antonysamy SS, Aubol B, Blaney J, Browner MF, Giannetti AM, Harris SF, Hebert N, Hendle J, Hopkins S, Jefferson E, Kissinger C, Leveque V, Marciano D, McGee E, Najera I, Nolan B, Tomimoto M, Torres E, Wright T (2008) Bioorg Med Chem Lett 18 2990... 

Promethium. Pm at. wt of best known isotope 147 at. no. 61 valence 3. All known isotopes are radioactive mass numbers 140-154. M7Pm, a 0-emitter, T, 2.62 years. The discovery of element 61 in rare earth concentrate was claimed by Harris and Hopkins, J, Am. Chem. Soc. 48, 1585 (1926) and by Rolla and Fernandez, Gazz. Chim. ItaL 56, 435 (1926). Evidence of existence in nature is inconclusive Yost et ah. The Rare Earth Elements and Their Compounds (John Wiley, New York, 1947). First obtained synthetically by irradiating neodymium and praseodymium with neutrons, deuterons, and alpha particles Law et at., Phys. Rev. 59, 936 (1941). Positive identification by inn-exchange chromatography Marinsky et ah, J. Am. Chem. Soc. 69,... 

The method evolved by Moseley (1887 to 1915) of determining the atomic number enabled chemists to ascertain, as has already been seen, the maximum number of elements that can exist in serial order between any two selected ones. As the atomic numbers of lanthanum and lutecium are 57 and 71, it is clear that it is possible for 13 elements to exist of atomic numbers between these. Now europium was the twelfth to be discovered, but no element corresponding to 61 had been recorded. This should lie between neodymium (60) and samarium (62), and as early as 1902 Bohuslav Brauner had predicted its existence. In 1926 Hopkins, of Illinois, with his collaborators Harris and Yntema, announced the discovery of a new element in the neodymium extracted from monazite sand, the lines of the X-ray spectrum agreeing with those expected for element 61. He called it Illinium. 

Molecular dynamics simulations have proven to be very useful in understanding I2 photodissociation and recombination in a variety of solvents. The work by many groups is a beautiful example of the productive interaction between analytic theory, simulation, and experiment. Although the more recent experiments on this system from Harris and co-workers,i i Hopkins and co-workers,and Zewail and co-workers i i raise a number of new and interesting questions, we have little doubt that the molecular dynamics techniques can be extended to help understand these new results as well. 

Harry Hopkins—dubbed by Churchill as Lord Root of the Matter —was a key advisor to Franklin Roosevelt during the Second World War. For much of that time he was seriously ill and could work no more than a few hours a day hence he had to focus on what was important and to ignore the dross. His success in achieving this focus led to Winston Churchill calling Hopkins Lord Root of the Matter. This ability to identify the core issues— what are often referred to as... 

They devised a national organization to do the job. Bush had learned his way around Washington and took the lead. The organization Bush wanted needed independent authority. He thought it should report directly to the President rather than through military channels and should have its own source of funds. He drafted a proposal. Then he arranged an introduction to Harry Hopkins. 

Z. phys. Chem.y 1893, xi, no, 529 1893, xii, 623 Phil. Mag., 1893, xxxvi, 465-97. Harry Clary Jones (New London, Maryland, ii November 1865-Baltimore, 9 April 1916), professor of physical chemistry in Johns Hopkins University, Baltimore, wrote The Theory of Electrolytic Dissociation, New York, 1900 The Elements of Physical Chemistry, New York, 1902, 1915 A New Era in Chemistry, 1913 The Nature of Solution, 1917 he and his pupils worked on absorption spectra of salt solutions from the point of view of the hydrate theory summary in Z.phys. Chem., 1910, Ixxiv, 325-81 PoggendorfT, (i), iv, 711 v, 594. 

Other work using picosecond laser spectroscopy has shown that these reactions proceed via a solvent intermediate, M(CO)5(solvent), which forms in a few picoseconds after the laser pulse and then decays to products. Lee and Harris have observed formation of the solvated species Cr(CO)5(C5H,2) with t = 17 ps and the decay of the vibrationally excited Cr(CO)j with t 21 ps (apparently at ambient temperature). These observations are at variance with those of Spears and co-woikers, who claim that the bare Cr(CO)j persists on the 100-ps time scale at 22°C. Hopkins and co-workers have used resonance Raman detection to show that the 100-ps process is due to thermal relaxation of the excited vibrational state, probably of Cr(CO)5(CgH,2). 

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