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2016
1 Enger, Rune; Dukefoss, Didrik Bakke; Tang, Wannan; Pettersen, Klas; Bjørnstad, Daniel Marelius; Helm, Paul Johannes; Jensen, Vidar; Sprengel, Rolf; Vervaeke, Koen Gerard Alois; Ottersen, Ole Petter; Nagelhus, Erlend Arnulf.
Deletion of aquaporin-4 curtails extracellular glutamate elevation in cortical spreading depression in awake mice. Cerebral Cortex 2016 s. -
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2015
2 Enger, Rune; Tang, Wannan; Vindedal, Gry Fluge; Jensen, Vidar; Helm, Paul Johannes; Sprengel, Rolf; Looger, Loren L.; Nagelhus, Erlend Arnulf.
Dynamics of ionic shifts in cortical spreading depression. Cerebral Cortex 2015 ;Volum 25.(11) s. 4469-4476
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3 Tang, Wannan; Szokol, Karolina; Jensen, Vidar; Enger, Rune; Trivedi, Chintan A.; Hvalby, Øyvind Christian dødsbo; Helm, Paul Johannes; Looger, Loren L.; Sprengel, Rolf; Nagelhus, Erlend Arnulf.
Stimulation-evoked Ca2+ signals in astrocytic processes at hippocampal CA3-CA1 synapses of adult mice are modulated by glutamate and ATP. Journal of Neuroscience 2015 ;Volum 35.(7) s. 3016-3021
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2014
4 Augustinaite, Sigita; Kuhn, Bernd; Helm, Paul Johannes; Heggelund, Paul.
NMDA spike/plateau potentials in dendrites of thalamocortical neurons. Journal of Neuroscience 2014 ;Volum 34.(33) s. 10892-10905
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2013
5 Augustinaite, Sigita; Kuhn, B; Helm, Paul Johannes; Heggelund, Paul.
NMDA spikes in dendrites of thalamocortical neurons. Abstracts - Society for Neuroscience 2013 ;Volum 43.
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6 Wu, Xi; Chen, Ji-Yao; Brech, Andreas; Fang, Caihong; Wang, Jianfang; Helm, Paul Johannes; Qian, Peng.
The use of femto-second lasers to trigger powerful explosions of gold nanorods to destroy cancer cells. Biomaterials 2013 ;Volum 34.(26) s. 6157-6162
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2012
7 Helm, Paul Johannes.
Proposal of a New Method for Measuring Forster Resonance Energy Transfer (FRET) Rapidly, Quantitatively and Non-Destructively. International Journal of Molecular Sciences 2012 ;Volum 13.(10) s. 12367-12382
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8 Helm, Paul Johannes.
Recommendations for the design and the installation of large laser scanning microscopy systems. Proceedings of SPIE, the International Society for Optical Engineering 2012 ;Volum 8226. s. 82262M-82262M-7
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2011
9 Helm, Paul Johannes; Augustinaite, Sigita; Heggelund, Paul.
Simultaneous chemical activation and image scanning on single scanner laser scanning microscope systems. Abstracts - Society for Neuroscience 2011 ;Volum 41.
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10 Helm, Paul Johannes; Ottersen, Ole Petter.
Proposal of a new method to measure FRET quantitatively in living or fixed biomedical specimens on a laser microscope. Proceedings of SPIE, the International Society for Optical Engineering 2011 ;Volum 7903. s. 790331-1-790331-13
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2010
11 Helm, Paul Johannes; Nase, Gabriele; Heggelund, Paul; Reppen, Trond.
Complementary equipment for controlling multiple laser beams on single scanner MPLSM systems. Proceedings of SPIE, the International Society for Optical Engineering 2010 ;Volum 7569.
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2009
12 Helm, Paul Johannes; Ottersen, Ole Petter; Nase, Gabriele.
Analysis of optical properties of the mouse cranium-Implications for in vivo multi photon laser scanning microscopy. Journal of Neuroscience Methods 2009 ;Volum 178.(2) s. 316-322
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13 Helm, Paul Johannes; Reppen, Trond; Heggelund, Paul.
A setup for combined multiphoton laser scanning miscroscopic and multi-electrode patch clamp experiments on brain slices. Proceedings of SPIE, the International Society for Optical Engineering 2009 ;Volum 7183. s. 7183Q-1-7183X-8
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2008
14 Nase, Gabriele; Helm, Paul Johannes; Enger, Rune; Ottersen, Ole Petter.
Water entry into astrocytes during brain edema formation. Glia 2008 ;Volum 56. s. 895-902
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15 Nase, Gabriele; Helm, Paul Johannes; Oguchi, Tomohiro; Nilsson, L. N. G.; Lannfelt, L.; Ottersen, Ole Petter; Torp, Reidun.
Local impact of perivascular plaques on cerebral blood flow dynamics in a transgenic mouse model of Alzheimer's disease. Proceedings of SPIE, the International Society for Optical Engineering 2008 ;Volum 6860.
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2007
16 Helm, Paul Johannes; Ottersen, Ole Petter; Nase, Gabriele.
optical effects of the cranium in trans-cranial in vivo two photon laser scanning microscopy in mice. Proceedings of SPIE, the International Society for Optical Engineering 2007
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2005
17 Nase, Gabriele; Helm, Paul Johannes; Reppen, Trond; Ottersen, Ole Petter.
A multi photon laser scanning microscope setup for trans-cranial in vivo brain imaging on mice. Review of Scientific Instruments 2005 ;Volum 76. s. 123702-1-123702-5
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2003
18 Thomas, Marion J.; Sjaastad, Ivar; Andersen, K; Helm, Paul Johannes; Wasserstrom, J. A.; Sejersted, Ole M; Ottersen, Ole Petter.
Localization and function of the Na(+)/Ca(2+)-exchanger in normal and detubulated rat cardiomycocytes. Journal of Molecular and Cellular Cardiology 2003 ;Volum 35.(11) s. 1325-1337
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2002
19 Ottersen, Ole Petter; Helm, Paul Johannes.
Neurobiology: How hardwired is the brain?. Nature 2002 ;Volum 420.(6719) s. 751-752
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2001
20 Bezakova, Gabriela; Helm, Paul Johannes; Francolini, M.; Lømo, Terje.
Effects of purified recombinant neural and muscle agrin on skeletal muscle fibers in vivo. Journal of Cell Biology 2001 ;Volum 153. s. 1441-1452
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21 Bezakova, Gabriela; Helm, Paul Johannes; Francolini, Maura; Lømo, Terje.
Effects of purified recombinant neural and muscle agrin on skeletal muscle fibers in vivo. Journal of Cell Biology 2001 ;Volum 153.(7) s. 1441-1452
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22 Helm, Paul Johannes; Haug, Finn-Mogens Smejda; Storm, Johan Fredrik; Ottersen, Ole Petter.
Design and installation of a multi-mode microscopy system. International Society for Optical Engineering Proceedings Series 2001 ;Volum 4262.
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23 Helm, Paul Johannes; Haug, Finn-Mogens Smejda; Storm, Johan Fredrik; Ottersen, Ole Petter.
Design and installation of a multi-mode microscopy system. International Society for Optical Engineering Proceedings Series 2001 ;Volum 4262.
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