Publications of Fritjof Helmchen

Journal Article (34)

Journal Article
Helmchen, F.: Raising the speed limit – fast Ca2+ handling in dendritic spines. Trends in Neurosciences 25 (9), pp. 438 - 441 (2002)
Journal Article
Helmchen, F.; Waters, D. J.: Ca2+ imaging in the mammalian brain in vivo. European Journal of Pharmacology 447 (2), pp. 119 - 129 (2002)
Journal Article
Helmchen, F.; Tank, D. W.; Denk, W.: Enhanced two-photon excitation through optical fiber by single-mode propagation in a large core. Applied Optics 41 (15), pp. 2930 - 2934 (2002)
Journal Article
Helmchen, F.; Fee, M. S.; Tank, D. W.; Denk, W.: A miniature head-mounted two-photon microscope: High-resolution brain imaging in freely moving animals. Neuron 31, pp. 903 - 912 (2001)
Journal Article
Helmchen, F.; Svoboda, K.; Denk, W.; Tank, D. W.: In vivo dendritic calcium dynamics in deep-layer cortical pyramidal neurons. Nature Neuroscience 2 (11), pp. 989 - 996 (1999)
Journal Article
Svoboda, K.; Helmchen, F.; Denk, W.; Tank, D. W.: Spread of dendritic excitation in layer 2/3 pyramidal neurons in rat barrel cortex in vivo. Nature Neuroscience 2 (1), pp. 65 - 73 (1999)
Journal Article
Kleinfeld, D.; Mitra, P. P.; Helmchen, F.; Denk, W.: Fluctuations and stimulus-induced changes in blood flow observed in individual capillaries in layers 2 through 4 of rat neocortex. Proceedings of the National Academy of Sciences of the United States of America 95 (26), pp. 15741 - 15746 (1998)
Journal Article
Bollmann, J. H.; Helmchen, F.; Borst, J. G. G.; Sakmann, B.: Postsynaptic Ca2+ influx mediated by three different pathways during synaptic transmission at a calyx-type synapse. The Journal of Neuroscience 18 (24), pp. 10409 - 10419 (1998)
Journal Article
Markram, H.; Roth, A.; Helmchen, F.: Competitive calcium binding: implications for dendritic calcium signaling. Journal of Computational Neuroscience 5 (3), pp. 331 - 348 (1998)
Journal Article
Helmchen, F.; Borst, J. G. G.; Sakmann, B.: Calcium Dynamics associated with a single action potential in a CNS presynaptic terminal. Biophysical Journal 72 (3), pp. 1458 - 1471 (1997)
Journal Article
Helmchen, F.; Imoto, K.; Sakmann, B.: Ca2+ buffering and action potential-evoked Ca2+ signaling in dendrites of pyramidal neurons. Biophysical Journal 70, pp. 1069 - 1081 (1996)
Journal Article
Borst, J. G. G.; Helmchen, F.; Sakmann, B.: Pre-and postsynaptic whole-cell recordings in the medial nucleus of the trapezoid body of the rat. The Journal of Physiology - London 489 (3), pp. 825 - 840 (1995)
Journal Article
Sakmann, B.; Schiller, J.; Helmchen, F.: Spatial profile of dendritic calcium transients evoked by action potentials in rat neocortical pyramidal neurones. Journal of Physiology 487 (3), pp. 583 - 600 (1995)
Journal Article
Schiller, J.; Helmchen, F.; Sakmann, B.: Spatial profile of dendritic calcium transients evoked by action potentials in rat neocortical pyramidal neurones. The Journal of Physiology - London 487 (3), pp. 583 - 600 (1995)

Book (2)

Helmchen, F.; Tank, D. W.: A single compartment model of calcium dynamics in dendrites and nerve terminals. CSHLP, New York (2011), 14 pp.
Helmchen, F.: Dendrites as biochemical compartments. Oxford University Press, Oxford (1999)

Book Chapter (3)

Book Chapter
Helmchen, F.: Calibration of fluorescent calcium indicators. In: Imaging Neurons: A Laboratory Manual, pp. 923 - 930 (Eds. Yuste, R.; Lanni, F.; Konnerth, A.). CSHLP, New York (2011)
Book Chapter
Helmchen, F.: Imaging of localized neuronal calcium influx. In: Ion Channel Localization, pp. 327 - 347 (Eds. Lopatin, A. N.; Nichols, G. C.). Humana Press, Totowa (2001)
Book Chapter
Borst, J. G. G.; Helmchen, F.: Calcium influx during an action potential. In: Ion Channels Part B, pp. 352 - 371 (Ed. Conn, P. M.). Academ. Press, New York (1998)

Poster (2)

Lütcke, H.; Margolis, D. J.; Astori, S.; Meyer, S.; Goebel, W.; Kügler, S.; Yang, Y.; Sprengel, R.; Seeburg, P. H.; Helmchen, F. et al.; Hasan, M. T.: Viral expression of Yellow cameleon 3.60 allows optical single-spike detection using two-photon imaging in vivo. Society for Neuroscience Meeting (2009)
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