نتایج جستجو برای: northrup
تعداد نتایج: 73 فیلتر نتایج به سال:
This article focuses on intractable conflicts and how they are transformed. Specific attention is given to the kinds of questions raised by research on such conflicts as well as the policy implications of selected research efforts. Although we believe that in most cases reducing the intractability of conflicts is desirable, we also recognize that often one (or more) adversary believes that any ...
Using 1617 meaningful NOEs with 188 pseudocontact shifts, a family of 35 conformers of oxidized bovine microsomal cytochrome b5 mutant (E44/48/56A/D60A) has been obtained and is characterized by good resolution (rmsd to the mean structure are 0.047 +/- 0.007 nm and 0.095 +/- 0.008 nm for backbone and heavy atoms, respectively). The solution structure of the mutant, when compared with the X-ray ...
The rate of protein association places an upper limit on the response time due to protein interactions, which, under certain circumstances, can be diffusion-controlled. Simulations of model proteins show that diffusion-limited association rates are approximately 10(6)-10(7) M-1 s-1 in the absence of long-range forces (Northrup, S. H., and H. P. Erickson. 1992. Kinetics of protein-protein associ...
The Advanced Agent Technology Laboratory in the School of Computer Science at Carnegie Mellon University, the Human Computer Interaction Group at the University of Pittsburgh, the Munitions Directorate of Air Force Research Laboratory (MN/AFRL), Rome Labs and Northrup Grumman are partnering in early-stage research to address issues in high-level information fusion, including intent inferencing ...
The physiological complex of yeast cytochrome c peroxidase and iso-1-cytochrome c is a paradigm for biological electron transfer. Using paramagnetic NMR spectroscopy, we have determined the conformation of the protein complex in solution, which is shown to be very similar to that observed in the crystal structure [Pelletier H, Kraut J (1992) Science 258:1748-1755]. Our results support the view ...
Two temperate corn (Zea mays) hybrids (Pioneer 3320 and Northrup King 508), two tropical corn cultivars (Pioneer X304C hybrid and Florida SYN-1 experimental open pollinated cultivar), the sorghum (Sorghum bicolor) x sudangrass (Sorghum sudanense) hybrid DeKalb SX-17, and the sorghum hybrid DeKalb FS25E were compared for effect on nematode densities and forage yield in three plantings (one singl...
This study was supported in part by Research Crane B-621 from the National Institute of Neurological Diseases and Blindness, National Institutes of Health, Bethesda, Md. all experiments. Ouabain was given intravenously in doses of 100 to 250 meg. per kilogram or by injection into the vitreous of one eye (0.1 meg. ouabain in 10 to 20 meg. of distilled water), lntravitreal injections were perform...
In this paper we shall attempt to show that the results of conductivity experiments with alkali caseinate solutions support the conclusions at which we arrived from transference experiments described in the previous paper. All the determinations which were made by us were carried out according to the well known Kohlrausch method. An oscillator with a tuning fork (one thousand vibrations per sec...
R. BrdiEka, in 1937, in a note to the editor of Nature (1), reported the application of the polarographic method to cancer diagnosis, through the measurement of certain sulphur-containing amino acids present in the proteins in human blood serum. Brdicka made tests on the serum from 67 different persons; 32 of these gave an abnormally low polarographic protein effect. These 32 cases were shown b...
C. K. Cottingham and K. K. Hatzios Laboratory for Molecular Biology of Plant Stress, Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, U.S.A., 24061-0330 Z. Naturforsch. 46c, 846-849 (1991); received March 26, 1991 Metolachlor, Glutathione-S-transferase, Glutathione, Benoxacor, Corn, Zeamays L. The herbicide s...
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