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51

Haplopappin, ein 8-(α-Methylbenzyl)flavonoid aus Haplopapus foliosus

Rudolf Tschesche, M. Sualaheen Delhvi, Silvia Sepúlveda-Boza, Fritz Zilliken, Armin Kirfel, Georg Will

Journal:

European Journal of Organic Chemistry

Year:

1985

Language:

german

File:

PDF, 375 KB

german, 1985

52

Synthesis of (2R,5R)-5-Chloropipecolic Acid via a Homochiral Acyliminium Ion Intermediate

Claus Herdeis, Walter A. Held, Armin Kirfel

Journal:

European Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 378 KB

english, 1994

53

Synthesis of (+)- and (−)-hydroxysedamine and (+)-N-methylpseudoconhydrine from (S)-glutamic acid via homochiral acyliminium ion

Claus Herdeis, Walter A. Held, Armin Kirfel, Franz Schwabenländer

Journal:

European Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 749 KB

english, 1995

54

Natrolite: refinement of the crystal structure of two samples from Marienberg (Usti nad Labem, CSSR)

A. Kirfel, M. Orthen, G. Will

Journal:

Year:

1984

Language:

english

File:

PDF, 492 KB

english, 1984

55

Neutron diffraction study of KNO3 at elevated temperatures

A Kirfel, N Zotov, W Schäfer

Journal:

Physica B: Condensed Matter

Year:

2004

Language:

english

File:

PDF, 190 KB

english, 2004

56

Neutron diffraction studies of archaeological objects on ROTAX

W Kockelmann, A Kirfel

Journal:

Physica B: Condensed Matter

Year:

2004

Language:

english

File:

PDF, 320 KB

english, 2004

57

Construction and tests of a low-cost furnace for neutron powder diffractometry

W Schäfer, A Kirfel, H Phiesel, R Skowronek

Journal:

Physica B: Condensed Matter

Year:

2004

Language:

english

File:

PDF, 281 KB

english, 2004

58

Effects of transition metal oxide doping on the structure of sodium metaphosphate glasses

N Zotov, A Kirfel, B Beuneu, R Delaplane, D Hohlwein, F Reinauer, R Glaum

Journal:

Physica B: Condensed Matter

Year:

2004

Language:

english

File:

PDF, 206 KB

english, 2004

59

Shape and composition change of Ge dots due to Si capping

O. Kirfel, E. Müller, D. Grützmacher, K. Kern, A. Hesse, J. Stangl, V. Holý, G. Bauer

Journal:

Applied Surface Science

Year:

2004

Language:

english

File:

PDF, 260 KB

english, 2004

60

MBE growth of SiGe with high Ge content for optical applications

M. Oehme, J. Werner, O. Kirfel, E. Kasper

Journal:

Applied Surface Science

Year:

2008

Language:

english

File:

PDF, 604 KB

english, 2008

61

MBE growth and properties of epitaxial metal oxides for high- dielectrics

H. Jörg Osten, E. Bugiel, O. Kirfel, M. Czernohorsky, A. Fissel

Journal:

Journal of Crystal Growth

Year:

2005

Language:

english

File:

PDF, 199 KB

english, 2005

62

Local strained silicon platform based on differential SiGe/Si epitaxy

A. Karmous, M. Oehme, J. Werner, O. Kirfel, E. Kasper, J. Schulze

Journal:

Journal of Crystal Growth

Year:

2011

Language:

english

File:

PDF, 559 KB

english, 2011

63

Neutron diffraction and electrochemical studies on LiIrSn4

Puravankara Sreeraj, Hans-Dieter Wiemhöfer, Rolf-Dieter Hoffmann, Rolf Skowronek, Armin Kirfel, Rainer Pöttgen

Journal:

Journal of Solid State Chemistry

Year:

2006

Language:

english

File:

PDF, 292 KB

english, 2006

64

On the increasing use of the Jülich texture diffractometer for geological projects

E Jansen, W Schäfer, A Kirfel

Journal:

Physica B: Condensed Matter

Year:

2004

Language:

english

File:

PDF, 176 KB

english, 2004

65

Spectral responsivity of fast Ge photodetectors on SOI

M. Kaschel, M. Oehme, O. Kirfel, E. Kasper

Journal:

Solid-State Electronics

Year:

2009

Language:

english

File:

PDF, 334 KB

english, 2009

66

MBE growth of low-defect Si layers highly doped with Sb

J. Werner, M. Oehme, O. Kirfel, K. Lyutovich, E. Kasper

Journal:

Thin Solid Films

Year:

2008

Language:

english

File:

PDF, 215 KB

english, 2008

67

Germanium waveguide photodetectors integrated on silicon with MBE

M. Oehme, J. Werner, M. Kaschel, O. Kirfel, E. Kasper

Journal:

Thin Solid Films

Year:

2008

Language:

english

File:

PDF, 233 KB

english, 2008

68

On the primality of 2h·3n+1

Christoph Kirfel, Øystein J. Rødseth

Journal:

Discrete Mathematics

Year:

2001

Language:

english

File:

PDF, 105 KB

english, 2001

69

Oxidized aristolane sesquiterpenes from Aristolochia debilis

Gerhard Rücker, Ralf Mayer, Eberhard Breitmaier, Georg Will, Armin Kirfel, Mohamed El Kordy

Journal:

Year:

1984

Language:

english

File:

PDF, 332 KB

english, 1984

70

The twin-diffractometer SV7 at the FRJ-2 as a workhorse for structure and texture research

W. Schäfer, E. Jansen, R. Skowronek, A. Kirfel

Journal:

Physica B: Condensed Matter

Year:

1997

Language:

english

File:

PDF, 146 KB

english, 1997

71

Variations of microstructure and texture of permanent magnetic Alnico alloys

W Schäfer, E Jansen, W Kockelmann, A Alker, A Kirfel, D Seitz, M Grönefeld

Journal:

Physica B: Condensed Matter

Year:

2000

Language:

english

File:

PDF, 290 KB

english, 2000

72

Successful shape-preservation of Ge-clusters during Si-coverage at low temperature

E. Müller, O. Kirfel, A. Rastelli, H. von Känel, D. Grützmacher

Journal:

Materials Science and Engineering: B

Year:

2003

Language:

english

File:

PDF, 694 KB

english, 2003

73

Influence of capping on strain, composition and shape of SiGe islands

A. Hesse, J. Stangl, V. Holý, G. Bauer, O. Kirfel, E. Müller, D. Grützmacher

Journal:

Materials Science and Engineering: B

Year:

2003

Language:

english

File:

PDF, 1.16 MB

english, 2003

74

Synthesis of trans-epoxy-l-proline and cis-aziridino-l-proline from S-pyroglutamic acid. Regio- and diastereoselective ring opening of its derivatives

Claus Herdeis, Andrea Aschenbrenner, Armin Kirfel, Franz Schwabenländer

Journal:

Tetrahedron: Asymmetry

Year:

1997

Language:

english

File:

PDF, 860 KB

english, 1997

75

Shape transformation of Ge quantum dots due to Si overgrowth

O. Kirfel, E. Müller, D. Grützmacher, K. Kern

Journal:

Physica E: Low-dimensional Systems and Nanostructures

Year:

2003

Language:

english

File:

PDF, 727 KB

english, 2003

76

The High-Temperature Polymorph β-FeSO4. Stability, Magnetic Structure, and Magnetic Properties

A. Kirfel, W. Schäfer, G. Will, K. H. J. Buschow

Journal:

physica status solidi (a)

Year:

1977

Language:

english

File:

PDF, 390 KB

english, 1977

77

Recent developments in Ge dots grown on pit-patterned surfaces

Alim Karmous, Inga A. Fischer, Olaf Kirfel, Johannes Mattes, Michael Oehme, Jens Werner, Jörg Schulze

Journal:

physica status solidi (b)

Year:

2012

Language:

english

File:

PDF, 781 KB

english, 2012

78

Phonon effects in resonant “forbidden” reflections

V. E. Dmitrienko, E. N. Ovchinnikova, K. Ishida, J. Kokubun, A. Kirfel, S. P. Collins, D. Laundy, A. P. Oreshko, D. Cabaret

Journal:

physica status solidi (c)

Year:

2004

Language:

english

File:

PDF, 152 KB

english, 2004

79

Hole emission mechanism in Ge/Si quantum dots

M. Kaniewska, O. Engström, A. Karmous, O. Kirfel, E. Kasper, B. Raeissi, J. Piscator, G. Zaremba, M. Kaczmarczyk, B. Surma, A. Wnuk, M. Wzorek, A. Czerwinski

Journal:

physica status solidi (c)

Year:

2011

Language:

english

File:

PDF, 335 KB

english, 2011

80

The Structural Anomaly of Zinc: Evolution of Lattice Constants and Parameters of Thermal Motion in the Temperature Range of 40 to 500 K

Jürgen Nuss, Ulrich Wedig, Armin Kirfel, Martin Jansen

Journal:

Zeitschrift für anorganische und allgemeine Chemie

Year:

2010

Language:

english

File:

PDF, 381 KB

english, 2010

81

Salze optisch aktiver Alkaloide als enantiodifferenzierende Einschlußbildner

D. Worsch, F. Vögtle, A. Kirfel, G. Will

Journal:

Naturwissenschaften (The Science of Nature)

Year:

1984

File:

PDF, 229 KB

1984

82

The crystal structure of reinhardbraunsite, Ca5(SiO4)2(OH,F)2, a new mineral of the calcio-chondrodite type

A. Kirfel, H. -M. Hamm, G. Will

Journal:

Mineralogy and Petrology

Year:

1983

Language:

english

File:

PDF, 639 KB

english, 1983

83

Untersuchungen zur Elektronendichteverteilung im Dolomit CaMg(CO3)2

H. Effenberger, A. Kirfel, G. Will

Journal:

Mineralogy and Petrology

Year:

1983

File:

PDF, 773 KB

1983

84

Detection and cytoplasmic localization of two different microtubule motor proteins in basal epithelial cells of freshwater sponges

G. Kirfel, W. Stockem

Journal:

Year:

1997

Language:

english

File:

PDF, 5.06 MB

english, 1997

85

Keratins: a structural scaffold with emerging functions

J. Kirfel, T. M. Magin, J. Reichelt

Journal:

Cellular and Molecular Life Sciences

Year:

2003

Language:

english

File:

PDF, 414 KB

english, 2003

86

Electron density distribution and bond critical point properties for forsterite, Mg2SiO4, determined with synchrotron single crystal X-ray diffraction data

A. Kirfel, T. Lippmann, P. Blaha, K. Schwarz, D. F. Cox, K. M. Rosso, G. V. Gibbs

Journal:

Physics and Chemistry of Minerals

Year:

2005

Language:

english

File:

PDF, 529 KB

english, 2005

87

Experimental and theoretical bond critical point properties for model electron density distributions for earth materials

G. V. Gibbs, D. F. Cox, K. M. Rosso, A. Kirfel, T. Lippmann, P. Blaha, K. Schwarz

Journal:

Physics and Chemistry of Minerals

Year:

2005

Language:

english

File:

PDF, 414 KB

english, 2005

88

Rietveld refinement study of the cation distribution in (Co, Mg)-olivine solid solution

M. Müller-Sommer, R. Hock, A. Kirfel

Journal:

Physics and Chemistry of Minerals

Year:

1997

Language:

english

File:

PDF, 255 KB

english, 1997

89

Electron density distributions and bonded interactions for the fibrous zeolites natrolite, mesolite and scolecite and related materials

A. Kirfel, G. V. Gibbs

Journal:

Physics and Chemistry of Minerals

Year:

2000

Language:

english

File:

PDF, 675 KB

english, 2000

90

Applications of TOF neutron diffraction in archaeometry

W. Kockelmann, S. Siano, L. Bartoli, D. Visser, P. Hallebeek, R. Traum, R. Linke, M. Schreiner, A. Kirfel

Journal:

Applied Physics A: Materials Science & Processing

Year:

2006

Language:

english

File:

PDF, 693 KB

english, 2006

91

Temperature evolution of the thermal expansion tensors of ammonium Tutton salts

W. Kockelmann, A. Meents, A. Kirfel

Journal:

Applied Physics A: Materials Science & Processing

Year:

2002

Language:

english

File:

PDF, 158 KB

english, 2002

92

Neutron powder diffraction study of the thermal expansion of cuprite

W. Schäfer, A. Kirfel

Journal:

Applied Physics A: Materials Science & Processing

Year:

2002

Language:

english

File:

PDF, 102 KB

english, 2002

93

The biological role of the Alzheimer amyloid precursor protein in epithelial cells

A. Schmitz, R. Tikkanen, G. Kirfel, V. Herzog

Journal:

Histochemistry and Cell Biology

Year:

2002

Language:

english

File:

PDF, 288 KB

english, 2002

94

Structure and microtubule-nucleation activity of isolatedDrosophilaembryo centrosomes characterized by whole mount scanning and transmission electron microscopy

B. M. H. Lange, G. Kirfel, I. Gestmann, V. Herzog, C. González

Journal:

Histochemistry and Cell Biology

Year:

2005

Language:

english

File:

PDF, 666 KB

english, 2005

95

Migration of epidermal keratinocytes: mechanisms, regulation, and biological significance

G. Kirfel, V. Herzog

Journal:

Year:

2004

Language:

english

File:

PDF, 523 KB

english, 2004

96

Absolute configuration of the pyrrolizidine alkaloid acetylgynuramine

Helmut Wiedenfeld, Armin Kirfel, Erhard Röder, Georg Will

Journal:

Year:

1983

Language:

english

File:

PDF, 240 KB

english, 1983

97

Diastereoselective synthesis of (2S,5S)-and (2R,5S)-5-hydroxyhomopipecolic acid from S-glutamic acid. An entry to streptolutine stereoisomers

Claus Herdeis, Walter A. Held, Armin Kirfel, Franz Schwabenländer

Journal:

Year:

1996

Language:

english

File:

PDF, 591 KB

english, 1996

98

Atomic displacement effects in near-edge resonant “forbidden” reflections

E.N. Ovchinnikova, V.E. Dmitrienko, K. Ishida, A. Kirfel, S.P. Collins, A.P. Oreshko, D. Cabaret, R.V. Vedrinskii, V.L. Kraizman, A.A. Novakovich, E.V. Krivitskii, B.P. Tolochko

Journal:

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Year:

2005

Language:

english

File:

PDF, 203 KB

english, 2005

99

The Effect of Nitric Oxide Inhibition and Temporal Expression Patterns of the mRNA and Protein Products of Nitric Oxide Synthase Genes During In Vitro Development of Bovine Pre-implantation Embryos

D Tesfaye, A Kadanga, F Rings, K Bauch, D Jennen, K Nganvongpanit, M Hölker, E Tholen, S Ponsuksili, K Wimmers, M Montag, M Gilles, G Kirfel, V Herzog, K Schellander

Journal:

Reproduction in Domestic Animals

Year:

2006

Language:

english

File:

PDF, 764 KB

english, 2006

100

Phosphorylation of histone H3T6 by PKCβI controls demethylation at histone H3K4

Metzger, Eric, Imhof, Axel, Patel, Dharmeshkumar, Kahl, Philip, Hoffmeyer, Katrin, Friedrichs, Nicolaus, Müller, Judith M., Greschik, Holger, Kirfel, Jutta, Ji, Sujuan

Journal:

Year:

2010

Language:

english

File:

PDF, 660 KB

english, 2010