Now showing items 21-30 of 44
Thermophysics of thallium alkanoates IV. Heat capacity and thermodynamic functions of thallium(I) n-dodecanoate from 7 to 470 K,
(Elsevier, 1987-12)
The thermal behavior of thallium(I) n-dodecanoate was studied by adiabatic calorimetry from 6 to 350 K and by d.s.c. from 230 through 470 K. The agreement between the results (temperature and thermal functions of transitions ...
Biological characterization of purified native 20-kDa human growth hormone
(Elsevier, 1987-09-11)
Because of the propensity of the 20-kDa variant of human growth human (GH) to aggregate with itself and with 22-kDa human GH, it has been difficult to prepare monomeric 20-kDa GH in highly purified form. This has been a ...
Reactions of vinyl selenoxides and ketenes via 3,3-sigmatropic rearrangement
(Elsevier, 1987)
The reactions of several vinyl selenoxides with chlorocyano-ketene proceed a 3,3-sigmatropic rearrangement of an enolate oxyselenonium species to yield seleno-substituted [gamma]-butyrolactones.
Raman and normal-mode studies of the extended-helix conformation in polypeptide chains This is paper number 36 in a series on vibrational analysis of peptides, polypeptides, and proteins, of which Ref. 23 is paper number 35.
(Wiley Subscription Services, Inc., A Wiley Company, 1987)
The nature of the local main-chain conformation of polypeptides with charged side chains has been the subject of considerable discussion since Tiffany and Krimm first proposed [(1968) Biopolymers 6 , 1379–1381] that, ...
Hydrogen peroxide as an alternate substrate for the oxygen-evolving complex
(Elsevier, 1987-03-25)
Photosystem II reaction centers evolve O2 in the dark when H2O2 is added as a substrate. Although some of this activity can be attributed to catalase, as much as 75% of the activity was not affected by the addition of 1 ...
Reactions of the metal-metal triple bond in Cp2Mo2(CO)4 and related complexes
(Elsevier, 1987)
The reactions of the M[triple bond]M triple bonds in compounds of type Cp2M2(CO)4 (M = Cr, Mo or W) are reviewed. These reactions are grouped under the headings of synthesis and structures of Cp2M2(CO)4-type compounds, ...
TPR Investigation of bimetallic Ru-Cu samples supported on SiO 2 , Al 2 O 3 and MgO
(Kluwer Academic Publishers; Wiley Heyden Ltd., Chichester and Akadémiai Kiadó, Budapest ; Springer Science+Business Media, 1987-03)
Bimetallic Ru-Cu samples supported on SiO 2 , Al 2 O 3 and MgO were studied by the temperature-programmed reduction (TPR) technique. Experiments were carried out both on unreduced impregnated salts and after oxidation of ...
Soft X-ray emission from a CO 2 laser-heated Z-pinch plasma
(Kluwer Academic Publishers-Plenum Publishers; Plenum Publishing Corporation ; Springer Science+Business Media, 1987-09)
We report results of soft X-ray measurements in which a high-power (10 10 –10 11 W/cm 2 ) CO 2 laser was used to heat a near critical density (<10 19 cm −3 ) helium Z-pinch plasma. Frequency-integrated X-ray data show that ...
A technique for the determination of protein concentration by neutron activation analysis of silver binding
(Kluwer Academic Publishers; Akadémiai Kiadó ; Springer Science+Business Media, 1987-05)
A method for the quantitative determination of small amounts of protein samples was developed employing neutron activation analysis. Current methods of protein concentration determination are severely limited as a result ...
Centrifugal distortions in molecules: An ab initio approach with application to ozone
(John Wiley & Sons, Inc., 1987-06)
Our procedure for employing analytical gradients of ab initio potential energy hypersurfaces in the description of centrifugally distorted molecules is applied for the first time to an asymmetric top, namely ozone. Both ...