2025

• Heath, Megan Muriel; Erring, Henrik; Mathisen, Karina; Sunde, Svein; Seland, Frode. (2025) Probing the effect of Ca and Sr dopants on the structure and oxygen-evolution activity of Ru-deficient yttrium ruthenate pyrochlores. Electrochimica Acta
  Vitenskapelig artikkel

2023

• Brito, Julio C. Fernandes Pape; Miletto, Ivana; Marchese, Leonardo; Ali, Daniel; Azim, Muhammad Mohsin; Mathisen, Karina; Gianotti, Enrica. (2023) Hierarchical SAPO-34 Catalysts as Host for Cu Active Sites. Materials
  Vitenskapelig artikkel

2022

• Myhrvold, Fride; Mathisen, Karina; Azim, Muhammad Mohsin; Ali, Daniel. (2022) Synthesis and characterisation of hierarchical SAPO-5 employing sustainable meso-SDAs. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Unneberg, Ninni Maria; Mathisen, Karina; Ali, Daniel; Azim, Muhammad Mohsin. (2022) The effect of metal type in ion exchanged SAPO-34 for the direct conversion of methane to methanol. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Bauer, Florence; Mathisen, Karina; Azim, Muhammad Mohsin; Ali, Daniel. (2022) Synthesis and characterisation of Cu and Ni ion exchanged SAPO-5. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Ertesvåg, Ragnhild Lea; Mathisen, Karina; Ali, Daniel; Azim, Muhammad Mohsin. (2022) Copper incorporated silica aerogels: effect of synthesis parameters, characterisation and catalytic applications. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Ali, Daniel; Li, Zhihui; Azim, Muhammad Mohsin; Lein, Hilde Lea; Mathisen, Karina. (2022) Pinpointing basic sites formed upon incorporation of iron in hierarchical SAPO-11 using catalytic model reactions. Dalton Transactions
  Vitenskapelig artikkel

2021

• Ali, Daniel; Li, Zhihui; Azim, Muhammad Mohsin; Lein, Hilde Lea; Mathisen, Karina. (2021) Evaluating pore characteristics and acid site locations in hierarchical SAPO-11 by catalytic model reactions. Microporous and Mesoporous Materials
  Vitenskapelig artikkel
• Ali, Daniel; Mathisen, Karina; Lein, Hilde Lea. (2021) Evaluating characterization methods for new porous functional materials. Norges teknisk-naturvitenskapelige universitet
  Doktoravhandling
• Sørli, Guro; Azim, Muhammad Mohsin; Rønning, Magnus; Mathisen, Karina. (2021) Improved lifetime and stability of copper species in hierarchical, copper-incorporated CuSAPO-34 verified by catalytic model reactions. Physical Chemistry, Chemical Physics - PCCP
  Vitenskapelig artikkel
• Alwis, Kudachchige Asanga Geethanjana de; Mathisen, Karina; Azim, Muhammad Mohsin; Ali, Daniel. (2021) Ionothermal Synthesis of Conventional and Hierarchical SAPO-11 and Framework Incorporation of Iron. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Li, Zhihui; Mathisen, Karina; Ali, Daniel; Azim, Muhammad Mohsin. (2021) Synthesis and characterization of hierarchical SAPO-11 & Fe-SAPO-11: comparison with conventional analogues. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave

2020

• Løset, Sveinung; Oestvang, Janne; Pedersen, Eilif; Mathisen, Karina; Petersen, Jesper Aagaard; Kummen, Jon; Pukstad, Brita; Lohndal, Terje; Penner, Angelina; Christensen, Idd Andrea. (2020) Rapport om utvidelse av forskerlinjer ved NTNU. Norges teknisk-naturvitenskapelige universitet
  Forskningsrapport
• Kirste, Karsten Granlund; McAulay, Kate; Bell, Tamsin E.; Stoian, Dragos; Laassiri, Said; Daisley, Angela; Hargreaves, Justin S. J.; Mathisen, Karina; Torrente-Murciano, Laura. (2020) COx-free hydrogen production from ammonia – mimicking the activity of Ru catalysts with unsupported Co-Re alloys. Applied Catalysis B: Environmental
  Vitenskapelig artikkel
• Gaustad, Stian Kjønniksen; Mathisen, Karina; Kirste, Karsten Granlund. (2020) Introduction of rhenium to surface modified microporous and mesoporous materials. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Yim, Pui Yan; Mathisen, Karina; Kirste, Karsten Granlund. (2020) Introducing Cobalt into Silica Aerogel. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Ali, Daniel; Zeiger, Caren; Azim, Muhammad Mohsin; Lein, Hilde Lea; Mathisen, Karina. (2020) Evaluation of surfactant templates for one-pot hydrothermal synthesis of hierarchical SAPO-5. Microporous and Mesoporous Materials
  Vitenskapelig artikkel
• Kirste, Karsten Granlund; Laassiri, Said; Hu, Zhigang; Stoian, Dragos; Torrente-Murciano, Laura; Hargreaves, Justin S. J.; Mathisen, Karina. (2020) XAS investigation of silica aerogel supported cobalt rhenium catalysts for ammonia decomposition. Physical Chemistry, Chemical Physics - PCCP
  Vitenskapelig artikkel
• Reksten, Anita; Russell, Andrea E.; Richardson, Peter W.; Thompson, Stephen J.; Mathisen, Karina; Seland, Frode; Sunde, Svein. (2020) An in situ XAS study of high surface-area IrO2 produced by the polymeric precursor synthesis. Physical Chemistry, Chemical Physics - PCCP
  Vitenskapelig artikkel

2019

• Reksten, Anita; Russel, Andrea E.; Richardson, Peter W.; Thompson, Stephen J.; Mathisen, Karina; Seland, Frode; Sunde, Svein. (2019) Strategies for the analysis of the elemental metal fraction of Ir and Ru oxides via XRD, XANES, and EXAFS. Physical Chemistry, Chemical Physics - PCCP
  Vitenskapelig artikkel
• de Vries, Erik Pieter; Mathisen, Karina; Sørli, Guro. (2019) Understanding the effect of porosity and presence of silver in Cu:SAPO-34 as an HC-SCR catalyst, using propene or isobutane in a wet feed. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Botten, Sigurd Norum; Mathisen, Karina. (2019) Developing synthesis route for CuSAPO-18. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Mathisen, Karina; Rønning, Magnus; Landfald, Lisa Leganger; Landfald, Lisa Leganger. (2019) Fe-ZSM-5 and Fe-SAPO-34 Catalysts for Low-Temperature Selective Catalytic Reduction of NOX by NH3. NTNU
  Masteroppgave
• Aasland, Gaute Holst; Mathisen, Karina; Kirste, Karsten Granlund. (2019) Synthesis of Silica Aerogels with Single-Site Iron for Heterogeneous Catalysis. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Haraldsen, Anders Granli; Mathisen, Karina; Sørli, Guro; Azim, Muhammad Mohsin. (2019) Investigating synthesis strategies for materials SAPO-40, AlPO-40 and CuAlPO-40. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Zeiger, Caren; Mathisen, Karina; Ali, Daniel. (2019) Synthesis and characterization of hierarchical SAPO-5: A comparison with the conventional material. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave

2018

• Hutcheson, Anders; Mathisen, Karina; Sørli, Guro. (2018) Effect of Porosity and Copper Content on Copper Containing SAPO-34 for Removal of NOx. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Mathisen, Karina; Schjetlein, Ellen-Margrethe Meberg; Sørli, Guro. (2018) Understanding the Effect of Porosity of Cu:SAPO-34 and AgCu:SAPO-34 for the HC-SCR deNOx Reaction. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Mathisen, Karina; Liu, Tengzhi; Kirste, Karsten Granlund. (2018) Functionalization of Silica Aerogels and AlPO-5 with Molybdenum, Rhenium. NTNU
  Masteroppgave
• Hosseiniamoli, Hadi; Bryant, Glenn; Kennedy, Eric; Mathisen, Karina; Nicholson, David Graham; Sankar, Gopinathan; Setiawan, Adi; Stockenhuber, Michael. (2018) Understanding structure–function relationships in zeolite-supported Pd catalysts for oxidation of ventilation air methane. ACS Catalysis
  Vitenskapelig artikkel
• Mathisen, Karina; Kirste, Karsten Granlund; Hargreaves, Justin S. J.; Laassiri, Said; McAulay, Kate; McFarlane, Andrew R.; Spencer, Nicholas A.. (2018) An In Situ XAS Study of the Cobalt Rhenium Catalyst for Ammonia Synthesis. Topics in catalysis
  Vitenskapelig artikkel

2017

• Tafjord, Joakim; Mathisen, Karina. (2017) Introduction of rhenium into porous supports. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Mathisen, Karina; Håbrekke, Sondre; Kirste, Karsten Granlund. (2017) Introduction of Cobalt Into Silica Aerogels, Metal Speciation and Reducibility. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Mathisen, Karina; Botne, Georg; Sørli, Guro. (2017) The Effect of mechanical mixing and Porosity on the Activity of Ag and Cu Ion exchanged Zeotypes in the HC-SCR of NOx with Propene. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave

2016

• Kristoffersen, Simeon; Mathisen, Karina; Kristiansen, Tina. (2016) Incorporation of Iron(III) in Silica Aerogels. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Knapperholen, Øyvind; Mathisen, Karina; Kirste, Karsten Granlund. (2016) Incorporation of Rhenium in ITQ-33. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Sørli, Guro; Mathisen, Karina; Kirste, Karsten Granlund. (2016) Effect of Porosity on the Hydrothermal Stability of CuSAPO-34 for the deNOx Process. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave

2015

• Bøyesen, Katrine Lie; Voss, Tina Kristiansen; Mathisen, Karina. (2015) Dynamic redox properties of vanadium and copper in microporous supports during the selective oxidation of propene. Catalysis Today
  Vitenskapelig artikkel
• Mathisen, Karina; Ali, Daniel. (2015) Pore Characteristics and Acid Properties of Hierarchical SAPO-34. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Sjursen, Kenneth Røsvik; Mathisen, Karina. (2015) Synthesis and Characterisation of Nanoporous VCuAPO-5 for Propene Oxidation. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave

2014

• Bøyesen, Katrine Lie; Mathisen, Karina. (2014) Reactivity and Synergism of Vanadium in Microporous Supports with Copperas a Co-cation. Norges teknisk-naturvitenskapelige universitet
  Doktoravhandling
• Kristiansen, Tina; Mathisen, Karina. (2014) On the promoting effect of water during NO<sub>x</sub> removal over single-site copper in hydrophobic silica APD-arogels. Journal of Physical Chemistry C
  Vitenskapelig artikkel
• Bøyesen, Katrine Lie; Mathisen, Karina. (2014) Exposing the synergistic effect between copper and vanadium in AlPO-5 during the selective oxidation of propene. Catalysis Today
  Vitenskapelig artikkel
• Jakobsen, Trygve Dragsloth; Mathisen, Karina. (2014) SAPO-34 with Copper: Investigation of hierarchical pore characteristics and interactions with copper for catalytic applications. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Bøyesen, Katrine Lie; Voss, Tina Kristiansen; Mathisen, Karina. (2014) Identification of synergistic Cu/V redox pair in VCu:AlPO-5; a comparison with Vcu:ZSM-5. Physical Chemistry, Chemical Physics - PCCP
  Vitenskapelig artikkel

2013

• Kirste, Karsten Granlund; Mathisen, Karina. (2013) Synthesis And Characterization Of Noble Metal Nanoparticle Impregnated Metal-Organic Frameworks. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Kristiansen, Tina; Mathisen, Karina. (2013) Aerogels; a new class of materials for catalytic purposes. Norges teknisk-naturvitenskapelige universitet
  Doktoravhandling
• Johansen, Frank Edvardsen; Mathisen, Karina. (2013) Stabilization of Trivalent Vanadium in Zeotypic Systems. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Hammer, Nina; Mathisen, Karina; Rønning, Magnus. (2013) CO Oxidation over Au/TiO2-Carbon Catalysts: The Effect of Thermal Treatment, Stability and TiO2 Support Structure. Topics in catalysis
  Vitenskapelig artikkel
• Mikalsen, Ragni Fjellgaard; Mathisen, Karina. (2013) Hydrothermal synthesis of materials for intermediate band solar cells. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Shearer, Greig Charles; Forselv, Stian; Chavan, Sachin Maruti; Bordiga, Silvia; Mathisen, Karina; Bjørgen, Morten; Svelle, Stian; Lillerud, Karl Petter. (2013) In situ infrared spectroscopic and gravimetric characterisation of the solvent removal and dehydroxylation of the metal organic frameworks UiO-66 and UiO-67. Topics in catalysis
  Vitenskapelig artikkel
• Ekra, Siv Ingrid Skau; Mathisen, Karina; Kristiansen, Tina. (2013) Ren luft med luftig gel. Gemini
  Populærvitenskapelig artikkel
• Wijst, Cornelis Gerardus van der; Mathisen, Karina. (2013) Oxygenate conversion over protonated zeolites. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Yttervik, Johan Hatling; Mathisen, Karina. (2013) NOx Storage reduction on copper and barium containing micro- and mesoporous materials. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave

2012

• Bjørgen, Morten; Grave, Anlaug Haukvik; Saepurahman, Saepurahman; Volynkin, Andrey S; Mathisen, Karina; Lillerud, Karl Petter; Olsbye, Unni; Svelle, Stian. (2012) Spectroscopic and catalytic characterization of extra large pore zeotype H-ITQ-33. Microporous and Mesoporous Materials
  Vitenskapelig artikkel
• Opsahl, Anette; Mathisen, Karina. (2012) Characterization of Gold and Copper Species in Nanoporous Materials. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Hoholm, Rebekka Stavrum; Mathisen, Karina. (2012) Synthesis and Characterization of Gold and Copper Nanoparticles in Mesoporous Frameworks. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Mathisen, Karina; Nilsen, Merete Hellner; Nordhei, Camilla; Nicholson, David Graham. (2012) Irreversible Silver(I) Interconversion in Ag:ZSM-5 and Ag:SAPO-5 by Propene and Hydrogen. Journal of Physical Chemistry C
  Vitenskapelig artikkel
• Ve, Thomas; Mathisen, Karina; Helland, Ronny; Karlsen, Odd Andre; Fjellbirkeland, Anne; Røhr, Åsmund Kjendseth; Andersson, K. Kristoffer; Pedersen, Rolf B.; Lillehaug, Johan R.; Jensen, Harald B. (2012) The Methylococcus capsulatus (Bath) Secreted Protein, MopE*, Binds Both Reduced and Oxidized Copper. PLOS ONE
  Vitenskapelig artikkel
• Kristiansen, Tina; Støvneng, Jon Andreas; Einarsrud, Mari-Ann; Nicholson, David Graham; Mathisen, Karina. (2012) There and Back Again: The Unique Nature of Copper in Ambient Pressure Dried-Silica Aerogels. Journal of Physical Chemistry C
  Vitenskapelig artikkel

2011

• Kristiansen, Tina; Mathisen, Karina; Einarsrud, Mari-Ann; Bjørgen, Morten; Nicholson, David Graham. (2011) Single-Site Copper by Incorporation in Ambient Pressure Dried Silica Aerogel and Xerogel Systems: An X-ray Absorption Spectroscopy Study. Journal of Physical Chemistry C
  Vitenskapelig artikkel
• Skorpa, Ragnhild; Bordiga, Silvia; Bleken, Francesca; Olsbye, Unni; Arstad, Bjørnar; Tolchard, Julian R; Mathisen, Karina; Svelle, Stian; Bjørgen, Morten. (2011) Assessing the surface sites of the large pore 3-dimensional microporous material H-ITQ-7 using FT-IR spectroscopy and molecular probes. Microporous and Mesoporous Materials
  Vitenskapelig artikkel
• Hammer, Nina; Mathisen, Karina; Zscherpe, Tina; Chen, De; Rønning, Magnus. (2011) Effect of Pretreatment on Carbon-Supported Au/TiO2 Catalysts for Preferential Oxidation of CO. Topics in catalysis
  Vitenskapelig artikkel
• Skorpa, Ragnhild; Forselv, Stian; Mathisen, Karina; Bordiga, Silvia; Bjørgen, Morten; Svelle, Stian. (2011) Infrared Spectroscopic Investigation of the Acidity and Availability of the Surface Hydroxyls of Three-Dimensional 12-Ring Zeotype H-ITQ-7. Journal of Physical Chemistry C
  Vitenskapelig artikkel
• Mathisen, Karina; Meneau, Florian; Bøyesen, Katrine Lie. (2011) A combined in situ XAS/Raman and WAXS study on nanoparticulate V2O5 in zeolites ZSM-5 and Y. Phase Transitions
  Vitenskapelig artikkel
• Mathisen, Karina. (2011) Kompendium for laboratoriekurs i KJ1030 Uorganisk kjemi. Institutt for kjemi, NTNU
  Arbeidsnotat

2010

• Volynkin, Andrey Sergeevich; Bjørgen, Morten; Mathisen, Karina. (2010) Syntheses, characterization, and catalytic studies of ITQ-33: conversion of methanol to hydrocarbons over a microporous germano-aluminosilicate. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Edvardsen, Tove-Nanny; Bjørgen, Morten; Mathisen, Karina. (2010) Large and extra-large pore acidic ITQ-zeotypes: An in-situ spectroscopic study of fundamental properties. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Hoftaniska, Idar; Bjørgen, Morten; Mathisen, Karina. (2010) Synthesis and characterization of microporous zeotypes with the AFN topology: phase impurities and thermal stability. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Skorpa, Ragnhild; Bjørgen, Morten; Mathisen, Karina. (2010) Assessing the surface sites of the microporous materials H-ITQ-7 and H-Beta using FT-IR spectroscopy and various molecular probes. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave

2009

• Nordhei, Camilla; Mathisen, Karina; Safonova, Olga; Beek, Wouter van; Nicholson, David Graham. (2009) Decomposition of Carbon Dioxide at 500°C over Reduced Iron, Cobalt, Nickel and Zinc Ferrites: A Combined XANES-XRD Study. Journal of Physical Chemistry C
  Vitenskapelig artikkel
• Mathisen, Karina; Stockenhuber, Michael; Nicholson, David Graham. (2009) In situ XAS and IR studies on Cu:SAPO-5 and Cu:SAPO-11: the contributory role of monomeric linear copper(I) species in the selective catalytic reduction of NOx by propene. Physical Chemistry, Chemical Physics - PCCP
  Vitenskapelig artikkel
• Bøyesen, Katrine Lie; Nicholson, David Graham; Mathisen, Karina. (2009) Characterization of Vanadium Species in Zeotypes for Redox Applications. NTNU
  Masteroppgave
• Næss, Mari Kirkebøen; Nicholson, David Graham; Mathisen, Karina. (2009) Synthesis and Characterisation of Silver Substituted Aluminiumphosphates; Microporous Materials as Possible Carriers of Silver Nanoclusters. NTNU
  Masteroppgave
• Tynes, Mari Klevberg; Nicholson, David Graham; Mathisen, Karina. (2009) In situ XAS Studies on the redox properties of titanium substituted zeotypes. NTNU
  Masteroppgave
• Valvik, Beate; Nicholson, David Graham; Mathisen, Karina. (2009) In-situ XAS Studies on Gold Species in Zeotypic Systems for the Oxidation of Carbon Monoxide. NTNU
  Masteroppgave
• Kristiansen, Tina; Nicholson, David Graham; Mathisen, Karina. (2009) Growth Limitations of Copper Nanoparticles in Silica Aerogels: An In Situ XAS Study. Norges teknisk-naturvitenskapelige universitet
  Masteroppgave
• Delic, Asmira; Nicholson, David Graham; Mathisen, Karina. (2009) Characterization of Copper Cations in Zeolite Y in Presence of Silver Cations; The Two-Cation Effect. NTNU
  Masteroppgave
• Grave, Anlaug; Nicholson, David Graham; Mathisen, Karina. (2009) An in situ XAS study on the redox properties of chromium species in CrAPO-5 and the effect of cotemplating. NTNU
  Masteroppgave

2008

• Nordhei, Camilla; Mathisen, Karina; Bezverkhyy, I; Nicholson, David Graham. (2008) Decomposition of carbon dioxide over the putative cubic spinel nanophase cobalt, nickel, and zinc ferrites. Journal of Physical Chemistry C
  Vitenskapelig artikkel

2007

• Nilsen, Merete Hellner; Antonakou, Eleni; Bouzga, Aud; Lappas, Angelos; Mathisen, Karina; Stöcker, Michael. (2007) Investigation of the effect of metal sites in Me-Al-MCM-41 (Me=Fe, Cu or Zn) on the catalytic behavior during the pyrolysis of wooden based biomass. Microporous and Mesoporous Materials
  Vitenskapelig artikkel
• Mathisen, Karina; Nicholson, David Graham; Beale, AM; Sanchez-Sanchez, M; Sankar, G; Bras, W; Nikitenko, S. (2007) Comparing CuAPO-5 with Cu:ZSM-5 in the Selective Catalytic Reduction of NOx: An in situ Study. Journal of Physical Chemistry C
  Vitenskapelig artikkel

2005

• Mathisen, Karina; Nicholson, David Graham. (2005) The influence of silicon on the catalytic properties of CuSAPO-5 towards the selective reduction of NOX in the presence of propene. Microporous and Mesoporous Materials
  Vitenskapelig artikkel
• Mathisen, Karina. (2005) X-ray absorption spectroscopic studies on active metal sites in zeotypes during the selective catalytic reduction of NOx with propene in an oxygen rich atmosphere. Norges teknisk-naturvitenskapelige universitet
  Doktoravhandling
• Mathisen, Karina; Nicholson, David Graham; Fitch, AN; Stockenhuber, M. (2005) Selective catalytic reduction of NOx over microporous CuAPO-5: structural characterisation by XAS and XRD. Journal of Materials Chemistry
  Vitenskapelig artikkel