Paul Johannes Helm

Senioringeniør - Gliaceller
Bilde av Paul Johannes Helm
English version of this page
Telefon +47-22851159 51159
Faks +47-22851499
Rom 0347
Brukernavn
Besøksadresse Sognsvannsveien 9 Domus Medica 0372 OSLO
Postadresse Postboks 1103 Blindern 0317 OSLO

Publikasjoner

  • 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
  • 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
  • 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 Fulltekst i vitenarkiv
  • 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
  • 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 Fulltekst i vitenarkiv
  • Helm, Paul Johannes; Ottersen, Ole Petter & Nase, Gabriele (2009). Analysis of optical properties of the mouse cranium-Implications for in vivo multi photon laser scanning microscopy. Journal of Neuroscience Methods.  ISSN 0165-0270.  178(2), s 316- 322 . doi: 10.1016/j.jneumeth.2008.12.032
  • Nase, Gabriele; Helm, Paul Johannes; Enger, Rune & Ottersen, Ole Petter (2008). Water entry into astrocytes during brain edema formation. Glia.  ISSN 0894-1491.  56, s 895- 902 . doi: 10.1002/glia.20664
  • Nase, Gabriele; Helm, Paul Johannes; Oguchi, Tomohiro; Nilsson, L. N. G.; Lannfelt, L.; Ottersen, Ole Petter & Torp, Reidun (2008). 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.  ISSN 0277-786X.  6860 . doi: 10.1117/12.762739 Fulltekst i vitenarkiv
  • Helm, Paul Johannes; Ottersen, Ole Petter & Nase, Gabriele (2007). 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.  ISSN 0277-786X.
  • Nase, Gabriele; Helm, Paul Johannes; Reppen, Trond & Ottersen, Ole Petter (2005). A multi photon laser scanning microscope setup for trans-cranial in vivo brain imaging on mice. Review of Scientific Instruments.  ISSN 0034-6748.  76, s 123702-1- 123702-5
  • Thomas, Marion J.; Sjaastad, Ivar; Andersen, K; Helm, Paul Johannes; Wasserstrom, J. A.; Sejersted, Ole M & Ottersen, Ole Petter (2003). Localization and function of the Na(+)/Ca(2+)-exchanger in normal and detubulated rat cardiomycocytes. Journal of Molecular and Cellular Cardiology.  ISSN 0022-2828.  35(11), s 1325- 1337
  • Ottersen, Ole Petter & Helm, Paul Johannes (2002). Neurobiology: How hardwired is the brain?. Nature.  ISSN 0028-0836.  420(6719), s 751- 752
  • Bezakova, Gabriela; Helm, Paul Johannes; Francolini, M. & Lømo, Terje (2001). Effects of purified recombinant neural and muscle agrin on skeletal muscle fibers in vivo. Journal of Cell Biology.  ISSN 0021-9525.  153, s 1441- 1452
  • Bezakova, Gabriela; Helm, Paul Johannes; Francolini, Maura & Lømo, Terje (2001). Effects of purified recombinant neural and muscle agrin on skeletal muscle fibers in vivo. Journal of Cell Biology.  ISSN 0021-9525.  153(7), s 1441- 1452
  • Helm, Paul Johannes; Haug, Finn-Mogens Smejda; Storm, Johan Fredrik & Ottersen, Ole Petter (2001). Design and installation of a multi-mode microscopy system. International Society for Optical Engineering Proceedings Series.  ISSN 1017-2653.  4262
  • Helm, Paul Johannes; Haug, Finn-Mogens Smejda; Storm, Johan Fredrik & Ottersen, Ole Petter (2001). Design and installation of a multi-mode microscopy system. International Society for Optical Engineering Proceedings Series.  ISSN 1017-2653.  4262

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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
  • Helm, Paul Johannes; Nase, Gabriele; Heggelund, Paul & Reppen, Trond (2010). Complementary equipment for controlling multiple laser beams on single scanner MPLSM systems. Proceedings of SPIE, the International Society for Optical Engineering.  ISSN 0277-786X.  7569
  • Helm, Paul Johannes; Reppen, Trond & Heggelund, Paul (2009). 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.  ISSN 0277-786X.  7183, s 7183Q-1- 7183X-8

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Publisert 13. apr. 2011 11:03 - Sist endret 3. jan. 2012 11:27

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