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J. Hempel · SciRah

Researcher profile · Semantic Scholar

J. Hempel

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J. Hempel — researcher profile on SciRah

h-index: 14
Works: 48
Citations: 926

Most-cited papers

High throughput protein fold identification by using experimental constraints derived from intramolecular cross-links and mass spectrometry
M. Young, Ning Tang, J. Hempel, C. M. Oshiro +4 more
2000Proc. Natl. Acad. Sci. USA439 citations Open access
Semantic Scholar
Optimization and visualization of molecular diversity of combinatorial libraries
Moises Hassan, Jan P. Bielawski, J. Hempel, M. Waldman
1996Molecular diversity65 citations
Semantic Scholar
Electron paramagnetic resonance of trans-disubstituted bis(ethylenediamine)chromium(III) complexes in frozen solutions
J. Hempel, L. O. Morgan, W. B. Lewis
197043 citations
Semantic Scholar
Structural and magnetic properties of di-.mu.-hydroxo-tetraglycinatodichromium(III)
J. Veal, W. Hatfield, D. Jeter, J. Hempel +1 more
197338 citations
Semantic Scholar
Magnetic properties of the complex di-.mu.-hydroxo-bis[2-(2-ethylaminoethyl)pyridine]dicopper(II) perchlorate
D. Jeter, D. L. Lewis, J. Hempel, D. Hodgson +1 more
197234 citations
Semantic Scholar
Structural and magnetic characterization of .mu.-hydroxobis[pentaamminechromium(III)] chloride monohydrate, the acid rhodo chloride complex
J. Veal, D. Jeter, J. Hempel, R. Eckberg +2 more
197333 citations
Semantic Scholar
Structure of biphenomycin A derived from two-dimensional NMR spectroscopy and molecular modeling
F. Brown, J. Hempel, J. Dixon, S. Amato +2 more
198924 citations
Semantic Scholar
Trigonal ligand field and zero field splitting diagrams for the d5 configuration
J. Hempel
197624 citations
Semantic Scholar
Application of the normalized spherical harmonic (NSH) Hamiltonian and of ground-state energy space diagrams to the tetragonal field
J. Donini, B. Hollebone, G. London, A. Lever +1 more
197524 citations
Semantic Scholar
An EPR study of VO2+ and Cr3+ in (NH4)2SbCl5
J. Flowers, J. Hempel, W. Hatfield, H. H. Dearman
197323 citations
Semantic Scholar
Symmetry adapted functions and normalized spherical harmonic (NSH) Hamiltonians for the point groups Oh, Td, D4h, D2d, C4v, D2h, C2v
J. Hempel, J. Donini, B. Hollebone, A. Lever
197420 citations
Semantic Scholar
NMR template analysis of biphenomycin: the prediction of conformational domains defined by clustered distance constraints
J. Hempel, F. Brown
198918 citations
Semantic Scholar
APPLICATION OF THE NORMALIZED SPHERICAL HARMONIC (NSH) HAMILTONIAN AND OF GROUND‐STATE ENERGY SPACE DIAGRAMS TO THE TETRAGONAL FIELD
J. Donini, B. Hollebone, G. London, A. Lever +1 more
197517 citations
Semantic Scholar
The electronic structure of tris(octamethylpyrophosphoramide)manganese(II) ion. Electronic absorption, emission, and excitation spectra of Mn(OMPA)3(ClO4)2
J. Hempel, R. Palmer, Mark Chin-Lan Yang
197614 citations
Semantic Scholar
Determination of the conformation of molecular complexes of the aridicin aglycon with Ac2-L-Lys-D-Ala-D-Ala and Ac-L-Ala-.gamma.-D-Gln-L-Lys-(Ac)-D-Ala-D-Ala: an application of nuclear magnetic resonance spectroscopy and distance geometry in the modeling of peptides
L. Mueller, S. Heald, J. Hempel, P. Jeffs
198913 citations
Semantic Scholar
Electronic structure of the tris(ethylenediamine)manganese(II) ion. Circular and linear dichroism and electron paramagnetic resonance spectra of tris(ethylenediamine)manganese(II) nitrate
R. Palmer, Mark Chin-Lan Yang, J. Hempel
197812 citations
Semantic Scholar
Conformational analysis of endothelin‐1: Effects of solvation free energy
J. Hempel, R. Fine, M. Hassan, W. Ghoul +4 more
1995Biopolymers10 citations
Semantic Scholar
Ground state properties of trigonal prismatic and trigonal bipyramidal d1,9, d2,8, d3,7, and d5 systems: Effects of trigonal distortion
J. Hempel, M. Miller
198110 citations
Semantic Scholar
Contract Manufacturing of Biopharmaceuticals Including Antibodies or Antibody Fragments
J. Hempel, P. Heß
20089 citations
Semantic Scholar
An EPR study of Cr3+:K2SbF5
J. Hempel, D. Klassen, W. Hatfield, H. H. Dearman
19739 citations
Semantic Scholar
Luminescence of chromium(III) compounds
J. Hempel, Frederick Albert Matsen IV
19698 citations
Semantic Scholar
THE STRUCTURAL AND MAGNETIC CHARACTERIZATION OF THE BINUCLEAR CHROMIUM COMPLEX DI-μ-HYDROXOTETRAGLYCINATODICHROMIUM(III)
D. Hodgson, J. Veal, W. Hatfield, D. Jeter +1 more
19727 citations
Semantic Scholar
Double-quantum EPR transition in AgCl:Ni
G. E. Holmberg, L. Slifkin, J. Hempel
19796 citations
Semantic Scholar
NMR distance constraint analysis for the aglycon of aridicin A bound to Ac-Lys(Ac)-D-Ala-D-Ala. A new method for predicting well-defined and variable regions of molecular conformation defined by distance constraints
J. Hempel
19895 citations
Semantic Scholar
Magnetic properties of hexaamminechromium(III) pentachlorocadmate(II)
W. E. Estes, D. Jeter, J. Hempel, W. Hatfield
19715 citations
Semantic Scholar
Validation of the Structure-Function Properties Of α-Hordothionin and Derivatives Through Protein Modeling
A. Rao, M. Hassan, J. Hempel
19934 citations
Semantic Scholar
Peptide conformation in 3D RMS-space: Application to two peptide antagonists of endothelin
J. Hempel, T. Cordóva, M. Hassan, S. Koerber +2 more
19952 citations
Semantic Scholar
NMR restraint analysis of transforming growth factor α: A key component for NMR structure refinement
F. Brown, J. Hempel, Peter W. Jeffs
1992Proteins: Structure, Function, and Bioinformatics2 citations
Semantic Scholar
Conformational mobility in the vasopressin series
C. Debrosse, J. Hempel, K. Kopple
19882 citations
Semantic Scholar
Chapter 5 – The Conformation of Neurohypophyseal Hormones
J. Hempel
19872 citations
Semantic Scholar
Rydberg energies of some three-electron ions
J. Hempel, J. Browne, Frederick A. Matsen
19662 citations
Semantic Scholar
Effects of solvation on the conformational preferences of endothelin-1
J. Hempel, R. Fine, M. Hassan, S. Koerber +2 more
19941 citations
Semantic Scholar
Effective spin Hamiltonian for D3h symmetry: trigonal-prismatic and trigonal-bipyramidal geometries
J. Hempel, L. F. Appel
19811 citations
Semantic Scholar
Conformational Analysis of Endothelin-I : Effects of
J. Hempel, R. Fine, M. Hassan, W. Ghoul +7 more
1 citations
Semantic Scholar
THREE-DIMIENSIONAL SHAPE OF A MACROMOLECULE
J. Hempel, J. Drenth
20170 citations
Semantic Scholar
PHARMACOPHORE HYPOTHESES AND PEPTIDOMIMETIC DESIGN STRATEGIES: ENDOTHELIN ETA ANTAGONISTS
J. Hempel, Tania Cordova de Sintjago, Osman Guner, M. Hassan +3 more
1995European Journal of Medicinal Chemistry0 citations
Semantic Scholar
Endothelin ETa receptor antagonist pharmacophore hypotheses
T. Cordóva, M. Hassan, J. Hempel, S. Koerber +2 more
19940 citations
Semantic Scholar
A critical examination of solvation models for peptides and proteins
M. Hassan, J. Hempel, R. Fine, S. Koerber +2 more
19940 citations
Semantic Scholar
Distance-distance energy maps in peptide conformational search: Application to cyclosporin and endothelin-1
M. Hassan, J. Hempel, Zhen-Qin Li, A. Hagler
19920 citations
Semantic Scholar
Structure of Biphenomycin A Derived from Two-Dimensional NMR Spectroscopy and Molecular Modeling.
F. Brown, J. Hempel, J. Dixon, S. Amato +2 more
19900 citations
Semantic Scholar
NMR Template Analysis of Biphenomycin: The Prediction of Conformational Domains Defined by Clustered Distance Constraints.
J. Hempel, F. Brown
19900 citations
Semantic Scholar
Structure of Glycopeptide Antibiotics and Their Complexes with Putative Cell-Wall Precursors
L. Mueller, Peter W. Jeffs, J. Dixon, F. Brown +3 more
19900 citations
Semantic Scholar
NMR Distance Constraint Analysis for the Aglycon of Aridicin A Bound to Ac-Lys(Ac)-D-Ala-D-Ala. A New Method for Predicting Well-Defined and Variable Regions of Molecular Conformation Defined by Distance Constraints.
J. Hempel
19890 citations
Semantic Scholar
Determination of the Conformation of Molecular Complexes of the Aridicin Aglycon with Ac2-L-Lys-D-Ala-D-Ala and Ac-L-Ala-γ-D-Gln-L-Lys(Ac)-D-Ala-D-Ala: An Application of NMR Spectroscopy and Distance Geometry in the Modeling of Peptid
L. Mueller, S. Heald, J. Hempel, Peter W. Jeffs
19890 citations
Semantic Scholar
An application of distance geometry in the modeling of peptides: A molecular complex of the aglycon of aridicin A
J. Hempel, L. Mueller, S. Heald, P. Jeffs
19880 citations
Semantic Scholar
Applications of Group Theory in the Interpretation of Polarized Absorption and E.S.R. Studies of Transition Metal Systems
J. Hempel
19790 citations
Semantic Scholar
Additions and Corrections - Symmetry Adapted Functions and normalized Spherical Harmonic (NSH) Hamiltonians for the Point Groups Oh, Td, D4h, D2d, C4v, D2h, C2v
J. Hempel, J. Donini, B. Hollebone, A. Lever
19750 citations
Semantic Scholar
SYMMETRY ADAPTED FUNCTIONS AND NORMALIZED SPHERICAL HARMONIC (NSH) HAMILTONIANS FOR THE POINT GROUPS O(H), T(D), D(4H), D(2D), C(4V), D(2H), C(2V)
J. Hempel, J. Donini, B. Hollebone, A. Lever
19740 citations
Semantic Scholar

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