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Force Spectroscopy of the Iron Atom in Heme Proteins
J. T. Sage, B M. Leu, T. H. Ching, Y. Zhang, J. E. Straub, J. Zhao, W. Sturhahn, E. E. Alp. Northeastern University, Boston University, Argonne National Laboratory

Nuclear resonance vibrational spectroscopy (NRVS) selectively reveals the complete vibrational density of states (VDOS) of a Mössbauer probe nucleus within a protein. Frequency moments of the VDOS determine effective force constants for 57Fe at the active sites of cytochrome c (cyt c) and deoxymyoglobin (Mb).

No Impact of Dietary Iodine Restriction in Short Term Development of Hypothyroidism Following Fixed Dose Radioactive Iodine Therapy for Graves Disease
Jubbin J Jacob*, Charles Stephen§, Nihal Thomas*, Regi Oommen¶ and M.S.Seshadri*. *Department of Endocrinology ,Nuclear Medicine and Clinical Biochemistry, Christian Medical College Vellore India 632004

To study the outcomes at 6 months after fixed dose 131I therapy for Graves’ disease (GD) with an iodine restricted diet.

SOME BIOLOGICAL PROPERTIES OF TRITERPENOID ACIDS
S.N. Morozkina, O.I. Antimonova, E.M. Eremenko*, A.G. Shavva. Saint-Petersburg State University, *Institute of Cytology RAS

Ursolic and betulinic acids acids induce the processes of apoptosis. We tested the risk of osteoporosis induction under influence of triterpenoids, since they can interact with glucocorticoid receptors. In experiments on oviriectomized rats we found that acids do not show any negative influence on percentage of mineral components in the femur and have cholesterol-lowering action under experimental conditions.

the packing of preparative liquid chromatography columns
f;dardoize. upmc

a new type of preparative liquid chromatography columns is described with applications of the efficiency

Achieving Great Science : Bringing Together Physical Measurements and Chemical Analysis
Michael Boruta, Michel Hachey. ACD Labs

Many problems in analytical spectroscopy require insight from several different techniques to adequately resolve the problem. A common difficulty with using several techniques is often the ability to manage the various data types and making the data available for review, analysis and reporting.

Rapid Metabolite Identification using Advanced Algorithms for Mass Spectral Interpretation
Mark A. Bayliss, Margaret Antler, Graham McGibbon, Vitaly Lashin. ACD Labs

Recognizing differences between related LC/MS data sets is the basic premise for the determination of potential metabolites in drug development. Finding small differences between two or more datasets requires a deep and rigorous analysis of each data set to extract and determine those m/z values that give rise to chromatographic peaks.

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