Paul Johannes Helm

Senior Engineer - Glial cells
Image of Paul Johannes Helm
Norwegian version of this page
Phone +47-22851159
Room 0347
Visiting address Sognsvannsveien 9 Domus Medica 0372 OSLO
Postal address Postboks 1103 Blindern 0317 OSLO


  • 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 (2016). Deletion of aquaporin-4 curtails extracellular glutamate elevation in cortical spreading depression in awake mice. Cerebral Cortex.  ISSN 1047-3211. . doi: 10.1093/cercor/bhw359
  • Enger, Rune; Tang, Wannan; Vindedal, Gry Fluge; Jensen, Vidar; Helm, Paul Johannes; Sprengel, Rolf; Looger, Loren L. & Nagelhus, Erlend Arnulf (2015). Dynamics of ionic shifts in cortical spreading depression. Cerebral Cortex.  ISSN 1047-3211.  25(11), s 4469- 4476 . doi: 10.1093/cercor/bhv054 Show summary
  • 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 (2015). Stimulation-evoked Ca2+ signals in astrocytic processes at hippocampal CA3-CA1 synapses of adult mice are modulated by glutamate and ATP. Journal of Neuroscience.  ISSN 0270-6474.  35(7), s 3016- 3021 . doi: 10.1523/JNEUROSCI.3319-14.2015 Show summary
  • Augustinaite, Sigita; Kuhn, Bernd; Helm, Paul Johannes & Heggelund, Paul (2014). NMDA spike/plateau potentials in dendrites of thalamocortical neurons. Journal of Neuroscience.  ISSN 0270-6474.  34(33), s 10892- 10905 . doi: 10.1523/JNEUROSCI.1205-13.2014
  • Wu, Xi; Chen, Ji-Yao; Brech, Andreas; Fang, Caihong; Wang, Jianfang; Helm, Paul Johannes & Qian, Peng (2013). The use of femto-second lasers to trigger powerful explosions of gold nanorods to destroy cancer cells. Biomaterials.  ISSN 0142-9612.  34(26), s 6157- 6162 . doi: 10.1016/j.biomaterials.2013.04.048
  • Helm, Paul Johannes (2012). Proposal of a New Method for Measuring Forster Resonance Energy Transfer (FRET) Rapidly, Quantitatively and Non-Destructively. International Journal of Molecular Sciences.  ISSN 1422-0067.  13(10), s 12367- 12382 . doi: 10.3390/ijms131012367 Full text in Research Archive. Show summary
  • Helm, Paul Johannes (2012). Recommendations for the design and the installation of large laser scanning microscopy systems. Proceedings of SPIE, the International Society for Optical Engineering.  ISSN 0277-786X.  8226, s 82262M- 82262M-7 . doi: 10.1117/12.906040 Show summary
  • Helm, Paul Johannes & Ottersen, Ole Petter (2011). 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.  ISSN 0277-786X.  7903, s 790331-1- 790331-13 . doi: 10.1117/12.874073 Full text in Research Archive. Show summary

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  • Augustinaite, Sigita; Kuhn, B; Helm, Paul Johannes & Heggelund, Paul (2013). NMDA spikes in dendrites of thalamocortical neurons. Abstracts - Society for Neuroscience.  ISSN 0190-5295.  43
  • Helm, Paul Johannes; Augustinaite, Sigita & Heggelund, Paul (2011). Simultaneous chemical activation and image scanning on single scanner laser scanning microscope systems. Abstracts - Society for Neuroscience.  ISSN 0190-5295.  41

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Published Apr. 13, 2011 10:59 AM - Last modified Jan. 3, 2012 11:28 AM

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