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Dr. Richard Bräucker

Veröffentlichungen - Publications

 

If you are interested in a reprint, please contact
mail@richard-braeucker.de

 
Bräucker, R (1981): Versuche zum Unterscheidungslernen rhythmisch strukturierter akustischer Signale bei Tauben. Staatsexamensarbeit, Ruhr-Universität Bochum
Abs M und Bräucker R (1982): Zum Unterscheidungslernen akustischer Muster bei Tauben. Verh Dtsch Zool Ges Hannover 1982, 299
Bräucker R and Schwartzkopff J (1986): Frequency discrimination in the pigeon Columba livea. Naturwiss. 73, 563-564
Bräucker, R (1986): Die Herzfrequenzkonditionierung als Methode zur Messung psychophysischer Wahrnehmungs- und Unterscheidungsschwellen an Vögeln. Dissertation Fak. f. Biologie, Ruhr-Universität Bochum
Grunwald, E, Bräucker, R and Schwartzkopff J (1986): Auditory intensity discrimination in the pigeon(Columba livea) as measured by heart-rate conditioning. Naturwiss. 73, 41
Bräucker R, Machemer H, Machemer-Röhnisch S (1991) Gravitaxis in Loxodes. Biological Science in Space 5 (4) 286-287
Machemer H, Machemer-Röhnisch S, Bräucker R, Takahashi K (1991): Gravikinesis in Paramecium: Theory and isolation of a physiological response to the natural gravity vector. J Comp Physiol A 168: 1-12
Bräucker R, Machemer-Röhnisch S, Machemer H, Murakami A (1992) Gravity-controlled gliding velocity inLoxodes. Eur J Protistol 28: 238-245
Colombetti G, Bräucker R, Machemer H (1992): Photobehaviour of Fabrea salina: responses to directional and diffused gradient-type illumination. J Photochem Photobiol B 15: 253-257
Machemer H and Bräucker R (1992): Gravireception and Graviresponses in Ciliates. Acta Protozool 31: 185-214
Machemer H, Bräucker R, Takahashi K, Murakami A (1992) Short-term microgravity to isolate graviperception in cells. Proceedings of a workshop "Drop Tower Days 1992", Bremen, Microgravity Sci Technol 5: 119-123
Machemer H, Bräucker R, Takahashi K, Murakami A (1992): Short-term microgravity to isolate graviperception in cells. Microgravity Sci Technol 4: 119-123 
Machemer H, Bräucker R, Takahashi K, Murakami A (1993): Graviperception in unicellular organisms: a comparative behavioural study under short-term microgravity. Microgravity Sci Technol 5: 221-231
Machemer H, Machemer-Röhnisch S, Bräucker R (1993) Velocity and graviresponses in Parameciumduring adaptation and varied oxygen concentration. Arch Protistenkd 143: 285-296.
Machemer-Röhnisch S, Bräucker R, Machemer H (1993): Neutral gravitaxis of Loxodes striatus exposed to normal and raised gravity. J Comp Physiol A 171: 779-790
Bräucker R (1994) Behavioural changes of ParameciumandDidiniumexposed to short-term microgravity. Adv Space Research 16 (7): 231-234.
Bräucker R, Machemer-Röhnisch S, Machemer H (1994) Graviresponses in Paramecium and Didiniumexamined under varied hypergravity conditions. J Exp Biol 197: 271-294.
Bräucker R (1995) Hypergravity research in ciliates: achievements and shortcomings of the latest NIZEMI version. In (Bräucker R, ed) Proc CEBAS Workshops, Bochum 1995, 49-55.
Watzke D, Bräucker R (1995) Gravity response of Paramecium caudatum modified by iron feeding. In (Bräucker R, ed) Proc CEBAS Workshops, Bochum 1995, 27-31.
Bräucker R, Köhler R, Machemer H (1996) Time-dependence of gravitaxis and gravikinesis in Paramecium caudatum. In (Bräucker R, ed) Proc CEBAS Workshops, Bochum 1996.
Fahn C, Bräucker R, Machemer H (1996) MICROPOND progress report. In (Bräucker R, ed) Proc CEBAS Workshops, Bochum 1996.
Kuhlmann, H-W, Bräucker R, Schepers, AG (1996) Ein Kristallbecher-bildender Scuticociliat mit negativ phototaktischer Orientierung. In: Schlegel M, Hausmann K (eds) Christian Gottfried Ehrenberg Festschrift, p 98-100. Leipziger Universitätsverlag, Leipzig.
Machemer H, Bräucker R (1996) Gravitaxis screened for physical mechanism using g-modulated orientational cellular behaviour. Microgravity Sci Technol 9: 2-9
Machemer H, Nagel U, Bräucker R (1996) Gravitaxis in swimming cells: cell orientation distinguished from track orientation. In (Bräucker R, ed) Proc CEBAS Workshops, Bochum 1996.
Machemer-Röhnisch S, Machemer H, Bräucker R (1996) Activation and relaxation of gravikinesis inDidinium. In (Bräucker R, ed) Proc CEBAS Workshops, Bochum 1996.
Machemer-Röhnisch S, Machemer H, Bräucker R (1996) Electric-field effects on gravikinesis in Paramecium. J Comp Physiol A 179, 213-226.
Watzke D, Bräucker R (1996) Gravity response ofParamecium caudatum modified by iron feeding. In: Schlegel M, Hausmann K (eds) Christian Gottfried Ehrenberg Festschrift, p 123-124. Leipziger Universitätsverlag, Leipzig.
Watzke D, Machemer H, Bräucker R (1996) Response of iron-fed Paramecium caudatum under varied hypergravity conditions. In (Bräucker R, ed) Proc CEBAS Workshops, Bochum 1996.
Kuhlmann, H-W, Bräucker R, Schepers, AG (1997) Phototaxis in Porpostoma notatum, a marine scutociliate with a composed crystalline organelle. Eur J Protistol 33: 295-304.
Machemer H, Nagel U, Bräucker R (1997) Assessment of g-dependent cellular gravitaxis: determination of cell orientation from locomotion track. J Theor Biol (in press)
Nagel U, Machemer H, Bräucker R (1997) Electric control of ciliary beat direction and curvature of gliding in Loxodes(Ciliata). Eur J Protistol (in press).
Nagel U, Watzke D, Neugebauer D-Ch, Machemer-Röhnisch S, Bräucker R, Machemer H (1997) Analysis of sedimentation of immobilized cells under normal and hyper-gravity. Microgravity Sci Technol 10: 41-52.
Neugebauer DC, Machemer-Röhnisch S, Machemer H, Bräucker R (1997) Sedimentation velocity of Loxodes striatusimmobilized by MnCl2. Acta Protozool. 36: 125-130.
Watzke D, Bräucker R, Machemer H (1997) Graviresponses of iron-fed Paramecium under hypergravity. Eur J Protistol 34: 82-92.
Bräucker R, Murakami, A, Ikegaya K, Takahashi K, Machemer-Röhnisch S and Machemer H (1998) Relaxation and activation of graviresponses inParamecium. J Exp Biol 201: 2103-2113.
Machemer-Röhnisch S, Bräucker R, Machemer H (1998): Graviresponses of gliding and swimming Loxodes striatus using step transition to weightlessness. J Eukar Microbiol 45: 411-418
Watzke D, Machemer H Bräucker R, (1998): Graviresponses of iron-fed Paramecium under normal and hypergravity conditions. Eur J. Protistol. 34, 82-92
Machemer H, Bräucker R, Machemer-Röhnisch S, Nagel U, Neugebauer DC, Weskamp M (1998): The linking of extrinsic stimuli to behaviour: roles of cilia in ciliates. Eur J Protistol 34: 254-261
Neugebauer DC, Machemer-Röhnisch S, Nagel U, Bräucker R, Machemer H (1998): Evidence of central and peripheral gravireception in the ciliate Loxodes. J Comp Physiol A 183: 303-311
Machemer-Röhnisch S, Bräucker R, Machemer H (1998): Relaxation of graviresponses of the ciliate Didinium following step transition to the weightless condition. Microgravity Sci Technol XI:(1) 35-43
Machemer H, Bräucker R (1999): Wie ein Einzeller "oben" und "unten" registriert. Unterricht Biologie 241: 40-45
Bräucker R, Machemer H and Fahn C (1999): A closed artificial ecosy-stem for ciliates. Proceedings of the 2nd Symposium on the Utilisation of the International Space Station, ESTEC, Noordwijk (pp 511-515)
Bräucker, R., Machemer, H. (1999): Drop Facilities are useful tools of microgravity research in Ciliates. 7th Europ. Symp. On Life Sciences Res. In Space, Maastricht 1999
Kowaleski, U., Bräucker, R. and Machemer, H: (1998): Responses of Tetrahymena pyriformis to the natural gravity vector (Microgravity Sci Technol, XI: (4) 167-172 )
Murakami A, Ikegaya K, Machemer H, Machemer-Röhnisch S, Bräucker R, Takahashi K (2000): Transient Graviresponses in Paramecium: Swimming track analysis by free-fall experiments. Space Forum, 6: 375-380  
Hemmersbach, R., Bromeis, B., Bräucker, R., Krause, M., Freiberger, N., Stieber, C. and Wilczek, M. (2001): Paramecium - a modell system for studying cellular graviperception. Adv. Space Res. 27 (5), 893-898
Bräucker R., Cogoli A., Hemmersbach R. (2001): Graviperception and Graviresponse at the Cellular level. In Baumstark-Khan C, Horneck G. (eds) Astrobiology: The Quest for the Conditions of Life. pp 284-297; Springer 2001 ISBN: 3-540-42101-7  
Bräucker, R., Machemer, H. (2002): CECILIA, a versatile research tool for cellular responses to gravity. Microgravity Sci. Technol, XIII/3, 3-13
Hemmersbach, R., Bräucker, R. (2002) Gravity-Related Behaviour in Ciliates and Flagellates. In Cogoli, A. (ed): Advances in Space Biology and Medicine pp 59-75, Elsevier 2002 ISBN 0-444-50735-3
Bräucker, R., Hemmersbach, R.: Ciliates as model systems for cellular graviperception, Proc of “Life in Space for Life on Earth” ESA SP-501, Sep. 2002  
Hemmersbach, R., Wilczek, M., Stieber, C., Bräucker, R., Ivanova, K. Variable acceleration influences CAMP levels in Paramecium Biaurelia, Proc of “Life in Space for Life on Earth” ESA SP-501, Sep. 2002  
Editor of: Proceedings of the C.E.B.A.S. workshops. ISSN 1430-2454
Available issues: 1993, 1994, 1995, 1996
 

 

 

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Last update: 28.12.2003