Publications published since 2000 from OUS - Clinical and Biomedical Engineering

186 publications found

Publications 2023

1. Aukrust Å, Foseid LM, Holm K (2023)
   Development of a Small Footprint Device for Measuring Electrodermal Activity in the Palm of the Hand
   J Electr Bioimpedance, 13 (1), 150-155
   DOI 10.2478/joeb-2022-0021, PubMed 36699665
2. Bari DS, Rammoo MNS, Aldosky HYY, Jaqsi MK, Martinsen ØG (2023)
   The Five Basic Human Senses Evoke Electrodermal Activity
   Sensors (Basel), 23 (19)
   DOI 10.3390/s23198181, PubMed 37837011
3. Kildal ESM, Quintana DS, Szabo A, Tronstad C, Andreassen O, Nærland T, Hassel B (2023)
   Heart rate monitoring to detect acute pain in non-verbal patients: a study protocol for a randomized controlled clinical trial
   BMC Psychiatry, 23 (1), 252
   DOI 10.1186/s12888-023-04757-1, PubMed 37060049
4. Lilja D, Schalit I, Espinoza A, Fiane AE, Dahle G, Littorin-Sandbu H, Pettersen FJ, Russell KE, Thiara APS, Elle OJ, Halvorsen PS (2023)
   Detection of inflow obstruction in left ventricular assist devices by accelerometer: A porcine model study
   J Heart Lung Transplant, 42 (8), 1005-1014
   DOI 10.1016/j.healun.2023.03.017, PubMed 37023840
5. Lilja D, Schalit I, Espinoza A, Hoel TN, Larsen G, Pettersen FJ, Halvorsen PS (2023)
   Extracorporeal driveline vibrations to detect left ventricular assist device thrombosis - A porcine model study
   J Heart Lung Transplant (in press)
   DOI 10.1016/j.healun.2023.08.022, PubMed 37673384
6. Osen DE, Abie SM, Martinsen ØG, Egelandsdal B, Münch D (2023)
   Bioimpedance-based Authentication of Defrosted Versus Fresh Pork at the End of Refrigerated Shelf Life
   J Electr Bioimpedance, 13 (1), 125-131
   DOI 10.2478/joeb-2022-0017, PubMed 36699663
7. Tariverdi A, Cote Allard U, Mathiassen K, Elle OJ, Kalvøy H, Martinsen G, Tørresen J (2023)
   Reinforcement Learning-Based Switching Controller for a Milliscale Robot in a Constrained Environment
   T-ASE, 99, 1-17
   DOI 10.1109/TASE.2023.3259905, PublikaID 441
8. Tronstad C, Amini M, Olesen E, Qvigstad E, Pabst O, Martinsen T, Abie SM, Martinsen ØG, Hisdal J, Jenssen TG, Kalvøy H (2023)
   Diabetic Foot Assessment using Skin Impedance in a Custom Made Sensor-sock
   J Electr Bioimpedance, 13 (1), 136-142
   DOI 10.2478/joeb-2022-0019, PubMed 36694878

Publications 2022

1. Azulay N, Olsen RB, Nielsen CS, Stubhaug A, Jenssen TG, Schirmer H, Frigessi A, Rosseland LA, Tronstad C (2022)
   Reduced heart rate variability is related to the number of metabolic syndrome components and manifest diabetes in the sixth Tromsø study 2007-2008
   Sci Rep, 12 (1), 11998
   DOI 10.1038/s41598-022-15824-0, PubMed 35835836
2. Bordvik D, Hou J, Noori FM, Uddin MZ, Tørresen J (2022)
   Monitoring In-Home Emergency Situation and Preserve Privacy using Multi-modal Sensing and Deep Learning
   2022 International Conference on Electronics, Information, and Communication (ICEIC 2022), 2022, 1-6
   DOI 10.1109/ICEIC54506.2022.9748829, PublikaID 418
3. Hou J, Liavåg OMI, Færden IH, Martinsen ØG, Tønnessen TI, Line PD, Hagness M, Høgetveit JO, Pischke SE, Strand-Amundsen R (2022)
   Utilization of dielectric properties for assessment of liver ischemia-reperfusion injury in vivo and during machine perfusion
   Sci Rep, 12 (1), 11183
   DOI 10.1038/s41598-022-14817-3, PubMed 35778457
4. Hou J, Ness SS, Tschudi J, O'Farrell M, Veddegjerde R, Martinsen ØG, Tønnessen TI, Strand-Amundsen R (2022)
   Assessment of Intestinal Ischemia-Reperfusion Injury Using Diffuse Reflectance VIS-NIR Spectroscopy and Histology
   Sensors (Basel), 22 (23)
   DOI 10.3390/s22239111, PubMed 36501812
5. Hou J, Strand-Amundsen R, Tronstad C, Tønnessen TI, Høgetveit JO, Martinsen ØG (2022)
   Small intestinal viability assessment using dielectric relaxation spectroscopy and deep learning
   Sci Rep, 12 (1), 3279
   DOI 10.1038/s41598-022-07140-4, PubMed 35228559
6. Lilja D, Schalit I, Espinoza A, Pettersen FJ, Elle OJ, Halvorsen PS (2022)
   Detection of inflow obstruction in left ventricular assist devices by accelerometer: An in vitro study
   Med Eng Phys, 110, 103917
   DOI 10.1016/j.medengphy.2022.103917, PubMed 36564132
7. Novik S, Drageseth MF, Grondalen MB, Nilsen O, Krauss SJK, Martinsen OG, Hafliger PD (2022)
   A CMOS Multi-Electrode Array for Four-Electrode Bioimpedance Measurements
   IEEE Trans Biomed Circuits Syst, 16 (6), 1276-1286
   DOI 10.1109/TBCAS.2022.3214243, PubMed 36227817
8. Qasim MS, Bari DS, Martinsen ØG (2022)
   Influence of ambient temperature on tonic and phasic electrodermal activity components
   Physiol Meas, 43 (6)
   DOI 10.1088/1361-6579/ac72f4, PubMed 35609614
9. Rydenfelt K, Strand-Amundsen R, Horneland R, Hødnebø S, Kjøsen G, Pischke SE, Tønnessen TI, Haugaa H (2022)
   Microdialysis and CO2 sensors detect pancreatic ischemia in a porcine model
   PLoS One, 17 (2), e0262848
   DOI 10.1371/journal.pone.0262848, PubMed 35143517
10. Schalit I, Espinoza A, Pettersen FJ, Skulstad H, Fosse E, Fiane AE, Halvorsen PS (2022)
    Improved Detection Of Thromboembolic Complications In Left Ventricular Assist Device By Novel Accelerometer-Based Analysis
    ASAIO J, 68 (9), 1117-1125
    DOI 10.1097/MAT.0000000000001654, PubMed 36066353
11. Tronstad C, Amini M, Bach DR, Martinsen ØG (2022)
    Current trends and opportunities in the methodology of electrodermal activity measurement
    Physiol Meas, 43 (2)
    DOI 10.1088/1361-6579/ac5007, PubMed 35090148
12. Tronstad C, Pabst O, Amini M, Kleggetveit IP, Elvebakk O, Martinsen OG, Jenssen TG, Hisdal J, Berg TJ, Qvigstad E (2022)
    Development of a prototype toe sensor for detection of diabetic peripheral small fiber neuropathy
    Annu Int Conf IEEE Eng Med Biol Soc, 2022, 99-104
    DOI 10.1109/EMBC48229.2022.9871101, PubMed 36086669

Publications 2021

1. Abie SM, Martinsen ØG, Egelandsdal B, Hou J, Bjerke F, Mason A, Münch D (2021)
   Feasibility of Using Electrical Impedance Spectroscopy for Assessing Biological Cell Damage during Freezing and Thawing
   Sensors (Basel), 21 (12)
   DOI 10.3390/s21124129, PubMed 34208559
2. Abie SM, Munch D, Egelandsdal B, Bjerke F, Wergeland I, Martinsen OG (2021)
   Combined 0.2 T static magnetic field and 20 kHz, 2 V/cm square wave electric field do not affect supercooling and freezing time of saline solution and meat samples
   J. Food Eng., 311, 110710
   DOI 10.1016/j.jfoodeng.2021.110710
3. Andreasen N, Crandall H, Brimhall O, Miller B, Perez-Tamayo J, Martinsen OG, Kauwe SK, Sanchez B (2021)
   Skin Electrical Resistance as a Diagnostic and Therapeutic Biomarker of Breast Cancer Measuring Lymphatic Regions
   IEEE Access, 9, 152322-152332
   DOI 10.1109/access.2021.3123569, PubMed 34888126
4. Haidl F, Tronstad C, Rosseland LA, Dahl V (2021)
   Maternal haemodynamics during labour epidural analgesia with and without adrenaline
   Scand J Pain, 21 (4), 680-687
   DOI 10.1515/sjpain-2020-0176, PubMed 33964196
5. Holm S, Holm T, Martinsen ØG (2021)
   Simple circuit equivalents for the constant phase element
   PLoS One, 16 (3), e0248786
   DOI 10.1371/journal.pone.0248786, PubMed 33770096
6. Hou J, Abie SM, Strand-Amundsen R, Galperin YM, Bergli J, Schuelke C, Hashemizadeh S, Martinsen ØG (2021)
   Temperature dependence of the microwave dielectric properties of [Formula: see text]-aminobutyric acid
   Sci Rep, 11 (1), 18082
   DOI 10.1038/s41598-021-97178-7, PubMed 34508109
7. Hou J, Strand-Amundsen R, Hødnebø S, Tønnessen TI, Høgetveit JO (2021)
   Assessing Ischemic Injury in Human Intestine Ex Vivo with Electrical Impedance Spectroscopy
   J Electr Bioimpedance, 12 (1), 82-88
   DOI 10.2478/joeb-2021-0011, PubMed 34966469
8. Hou J, Strand-Amundsen R, Tronstad C, Høgetveit JO, Martinsen ØG, Tønnessen TI (2021)
   Automatic Prediction of Ischemia-Reperfusion Injury of Small Intestine Using Convolutional Neural Networks: A Pilot Study
   Sensors (Basel), 21 (19)
   DOI 10.3390/s21196691, PubMed 34641009
9. Ibba P, Tronstad C, Moscetti R, Mimmo T, Cantarella G, Petti L, Martinsen ØG, Cesco S, Lugli P (2021)
   Supervised binary classification methods for strawberry ripeness discrimination from bioimpedance data
   Sci Rep, 11 (1), 11202
   DOI 10.1038/s41598-021-90471-5, PubMed 34045542
10. Jacobsen FA, Hafli EW, Tronstad C, Martinsen ØG (2021)
    Classification of Emotions Based on Electrodermal Activity and Transfer Learning - a Pilot Study
    J Electr Bioimpedance, 12 (1), 178-183
    DOI 10.2478/joeb-2021-0021, PubMed 35111273
11. Michelsen TM, Tronstad C, Rosseland LA (2021)
    Blood pressure and cardiac output during caesarean delivery under spinal anaesthesia: a prospective cohort study
    BMJ Open, 11 (6), e046102
    DOI 10.1136/bmjopen-2020-046102, PubMed 34127491
12. Nøvik S, Dragseth F, Martinsen G, Häfliger P D (2021)
    Four Electrode Bioimpedance Sensor System on CMOS Chip
    2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), 2021, 22-27
    DOI 10.1109/MWSCAS47672.2021.9531741, PublikaID 400
13. Singstad BJ, Azulay N, Bjurstedt A, Bjørndal SS, Drageseth MF, Engeset P, Eriksen K, Gidey MY, Granum EO, Greaker MG, Grorud A, Hewes SO, Hou J, Llop Recha AM, Matre C, Seputis A, Sørensen SE, Thøgersen V, Joten VM, Tronstad C, Martinsen ØG (2021)
    Estimation of Heart Rate Variability from Finger Photoplethysmography During Rest, Mild Exercise and Mild Mental Stress
    J Electr Bioimpedance, 12 (1), 89-102
    DOI 10.2478/joeb-2021-0012, PubMed 35069945
14. Skåre C, Karlsen H, Strand-Amundsen RJ, Eriksen M, Skulberg VM, Sunde K, Tønnessen TI, Olasveengen TM (2021)
    Cerebral perfusion and metabolism with mean arterial pressure 90 vs. 60 mmHg in a porcine post cardiac arrest model with and without targeted temperature management
    Resuscitation, 167, 251-260
    DOI 10.1016/j.resuscitation.2021.06.011, PubMed 34166747
15. Strand-Amundsen R, Tronstad C, Elvebakk O, Martinsen T, Dybwad M, Lingaas E, Tønnessen TI (2021)
    Quantification of aerosol dispersal from suspected aerosol-generating procedures
    ERJ Open Res, 7 (4)
    DOI 10.1183/23120541.00206-2021, PubMed 34877350
16. Sun X, Zhu S, Dong X, Strand-Amundsen RJ, Tonnessen TI, Yang R (2021)
    Ethyl pyruvate supplemented in drinking water ameliorates experimental nonalcoholic steatohepatitis
    Biomed Pharmacother, 137, 111392
    DOI 10.1016/j.biopha.2021.111392, PubMed 33761609
17. Tariverdi A, Venkiteswaran VK, Richter M, Elle OJ, Tørresen J, Mathiassen K, Misra S, Martinsen ØG (2021)
    A Recurrent Neural-Network-Based Real-Time Dynamic Model for Soft Continuum Manipulators
    Front Robot AI, 8, 631303
    DOI 10.3389/frobt.2021.631303, PubMed 33869294
18. Wiegerinck AIP, Thomsen A, Hisdal J, Kalvøy H, Tronstad C (2021)
    Electrical Impedance Plethysmography Versus Tonometry To Measure the Pulse Wave Velocity in Peripheral Arteries in Young Healthy Volunteers: a Pilot Study
    J Electr Bioimpedance, 12 (1), 169-177
    DOI 10.2478/joeb-2021-0020, PubMed 35111272

Publications 2020

1. Amini M, Kalvøy H, Martinsen ØG (2020)
   Finite Element Simulation of the Impedance Response of a Vascular Segment as a Function of Changes in Electrode Configuration
   J Electr Bioimpedance, 11 (1), 112-131
   DOI 10.2478/joeb-2020-0017, PubMed 33584912
2. Amini M, Niemi E, Hisdal J, Kalvøy H, Tronstad C, Scholz H, Rosales A, Martinsen ØG (2020)
   Monitoring the quality of frozen-thawed venous segments using bioimpedance spectroscopy
   Physiol Meas, 41 (4), 044008
   DOI 10.1088/1361-6579/ab85b7, PubMed 32235072
3. Bari DS, Aldosky HYY, Tronstad C, Martinsen ØG (2020)
   The correlations among the skin conductance features responding to physiological stress stimuli
   Skin Res Technol, 27 (4), 582-588
   DOI 10.1111/srt.12989, PubMed 33381876
4. Bari DS, Yacoob Aldosky HY, Martinsen ØG (2020)
   Simultaneous measurement of electrodermal activity components correlated with age-related differences
   J Biol Phys, 46 (2), 177-188
   DOI 10.1007/s10867-020-09547-4, PubMed 32444917
5. Drobnjak M, Hansen F, Øiestad EL, Løvli T, Trones R, Martinsen G, Pedersen-Bjertgaard S (2020)
   Electromembrane Extraction with Vitals of Counducting Polymer
   LCGCN North America, 38 (8), 435-439
   PublikaID 355
6. Omenås IN, Tronstad C, Rosseland LA (2020)
   Accuracy and trending abilities of finger plethysmographic blood pressure and cardiac output compared to invasive measurements during caesarean delivery in healthy women: an observational study
   BMC Anesthesiol, 20 (1), 157
   DOI 10.1186/s12871-020-01078-8, PubMed 32593297
7. Sanchez B, Martinsen OG, Freeborn TJ, Furse CM (2020)
   Electrical impedance myography: A critical review and outlook
   Clin Neurophysiol, 132 (2), 338-344
   DOI 10.1016/j.clinph.2020.11.014, PubMed 33450556
8. Schalit I, Espinoza A, Pettersen FJ, Snartland S, Ringdal ML, Hoel TN, Skulstad H, Fosse E, Fiane AE, Halvorsen PS (2020)
   Detection of Thromboembolic Events and Pump Thrombosis in HeartWare HVAD Using Accelerometer in a Porcine Model
   ASAIO J, 66 (1), 38-48
   DOI 10.1097/MAT.0000000000000954, PubMed 30688692
9. Singstad BJ, Tronstad C (2020)
   Convolutional Neural Network and Rule-Based Algorithms for Classifying 12-lead ECGs
   COMPUT CARDIOL CONF, 227
   DOI 10.22489/CinC.2020.227
10. Tariverdi A, Venkiteswaran VK, Martinsen ØG, Elle OJ, Tørresen J, Misra S (2020)
    Dynamic modeling of soft continuum manipulators using lie group variational integration
    PLoS One, 15 (7), e0236121
    DOI 10.1371/journal.pone.0236121, PubMed 32697813
11. Tariverdi A, Venkiteswaran VK, Martinsen ØG, Elle OJ, Tørresen J, Misra S (2020)
    Correction: Dynamic modeling of soft continuum manipulators using lie group variational integration
    PLoS One, 15 (11), e0242235
    DOI 10.1371/journal.pone.0242235, PubMed 33156876

Publications 2019

1. Andersen JH, Bjerke O, Blakaj F, Flugsrud VM, Jacobsen FA, Jonsson M, Kosaka EN, Langstrand PA, Martinsen ØG, Moen AS, Moen EQZ, Nystad ØK, Olesen E, Qureshi M, Risopatron VJØ, Ruud SK, Stensø N, Winje FL, Winness EV, Abie S, Joten VM, Tronstad C, Elvebakk O, Martinsen ØG (2019)
   Bioimpedance and NIR for Non-invasive Assessment of Blood Glucose
   J Electr Bioimpedance, 10 (1), 133-138
   DOI 10.2478/joeb-2019-0019, PubMed 33584894
2. Aria S, Elfarri Y, Elvegård M, Gottfridsson A, Grønaas HS, Harang S, Jansen A, Madland TER, Martins IB, Olstad MW, Ryan TL, Shaban AN, Svenningsen ØL, Sørensen AD, Ulvestad EH, Vister OM, Øvergaard MB, Kalvøy H, Pettersen FJ, Odland HH, Joten VM, Martinsen ØG, Tronstad C, Elvebakk O, Martinsen ØG (2019)
   Measuring Blood Pulse Wave Velocity with Bioimpedance in Different Age Groups
   Sensors (Basel), 19 (4)
   DOI 10.3390/s19040850, PubMed 30791368
3. Bjørhei A, Pedersen FT, Muhammad S, Tronstad C, Kalvøy H, Wojniusz S, Pabst O, Sütterlin S (2019)
   An Investigation on Bilateral Asymmetry in Electrodermal Activity
   Front Behav Neurosci, 13, 88
   DOI 10.3389/fnbeh.2019.00088, PubMed 31133830
4. Egelandsdal B, Abie SM, Bjarnadottir S, Zhu H, Kolstad H, Bjerke F, Martinsen ØG, Mason A, Münch D (2019)
   Detectability of the degree of freeze damage in meat depends on analytic-tool selection
   Meat Sci, 152, 8-19
   DOI 10.1016/j.meatsci.2019.02.002, PubMed 30784871
5. Elvebakk O, Tronstad C, Birkeland KI, Jenssen TG, Bjørgaas MR, Frøslie KF, Godang K, Kalvøy H, Martinsen ØG, Gulseth HL (2019)
   Author Correction: Evaluation of Hypoglycaemia with Non-Invasive Sensors in People with Type 1 Diabetes and Impaired Awareness of Hypoglycaemia
   Sci Rep, 9 (1), 6347
   DOI 10.1038/s41598-019-42218-6, PubMed 30988313
6. Elvebakk O, Tronstad C, Birkeland KI, Jenssen TG, Bjørgaas MR, Gulseth HL, Kalvøy H, Høgetveit JO, Martinsen ØG (2019)
   A multiparameter model for non-invasive detection of hypoglycemia
   Physiol Meas, 40 (8), 085004
   DOI 10.1088/1361-6579/ab3676, PubMed 31357185
7. Martinsen T, Pettersen FJ, Kalvøy H, Tronstad C, Kvarstein G, Bakken A, Høgetveit JO, Martinsen ØG, Grimnes S, Frich L (2019)
   Electrosurgery and Temperature Increase in Tissue With a Passive Metal Implant
   Front Surg, 6, 8
   DOI 10.3389/fsurg.2019.00008, PubMed 30915337
8. Martinsen ØG, Kalvøy H, Bari DS, Tronstad C (2019)
   A Circuit for Simultaneous Measurements of Skin Electrical Conductance, Susceptance, and Potential
   J Electr Bioimpedance, 10 (1), 110-112
   DOI 10.2478/joeb-2019-0016, PubMed 33584891
9. Pabst O, Martinsen ØG (2019)
   Simulation based comparison between a transversal and a tangential memristor model with a capacitance in parallel
   PLoS One, 14 (8), e0221533
   DOI 10.1371/journal.pone.0221533, PubMed 31442270
10. Pabst O, Martinsen ØG, Chua L (2019)
    Information can be stored in the human skin memristor which has non-volatile memory
    Sci Rep, 9 (1), 19260
    DOI 10.1038/s41598-019-55749-9, PubMed 31848426
11. Tronstad C, Høgetveit JO, Elvebakk O, Kalvøy H (2019)
    Age-related Differences in the Morphology of the Impedance Cardiography Signal
    J Electr Bioimpedance, 10 (1), 139-145
    DOI 10.2478/joeb-2019-0020, PubMed 33584895
12. Tronstad C, Strand-Amundsen R (2019)
    Possibilities in the Application of Machine Learning on Bioimpedance Time-series
    J Electr Bioimpedance, 10 (1), 24-33
    DOI 10.2478/joeb-2019-0004, PubMed 33584879

Publications 2018

1. Amini M, Hisdal J, Kalvøy H (2018)
   Applications of Bioimpedance Measurement Techniques in Tissue Engineering
   J Electr Bioimpedance, 9 (1), 142-158
   DOI 10.2478/joeb-2018-0019, PubMed 33584930
2. Anso J, Balmer TW, Jegge Y, Kalvoy H, Bell BJ, Dur C, Calvo EM, Williamson TM, Gerber N, Ferrario D, Forterre F, Buchler P, Stahel A, Caversaccio MD, Weber S, Gavaghan KA (2018)
   Electrical Impedance to Assess Facial Nerve Proximity During Robotic Cochlear Implantation
   IEEE Trans Biomed Eng, 66 (1), 237-245
   DOI 10.1109/TBME.2018.2830303, PubMed 29993441
3. Bari DS, Aldosky HYY, Tronstad C, Kalvøy H, Martinsen ØG (2018)
   Influence of Relative Humidity on Electrodermal Levels and Responses
   Skin Pharmacol Physiol, 31 (6), 298-307
   DOI 10.1159/000492275, PubMed 30179872
4. Bari DS, Aldosky HYY, Tronstad C, Kalvøy H, Martinsen ØG (2018)
   Electrodermal Activity Responses for Quantitative Assessment of Felt Pain
   J Electr Bioimpedance, 9 (1), 52-58
   DOI 10.2478/joeb-2018-0010, PubMed 33584921
5. Bruehl S, Olsen RB, Tronstad C, Sevre K, Burns JW, Schirmer H, Nielsen CS, Stubhaug A, Rosseland LA (2018)
   Chronic pain-related changes in cardiovascular regulation and impact on comorbid hypertension in a general population: the Tromsø study
   Pain, 159 (1), 119-127
   DOI 10.1097/j.pain.0000000000001070, PubMed 28953193
6. Elvebakk O, Tronstad C, Birkeland KI, Jenssen TG, Bjørgaas MR, Frøslie KF, Godang K, Kalvøy H, Martinsen ØG, Gulseth HL (2018)
   Evaluation of Hypoglycaemia with Non-Invasive Sensors in People with Type 1 Diabetes and Impaired Awareness of Hypoglycaemia
   Sci Rep, 8 (1), 14722
   DOI 10.1038/s41598-018-33189-1, PubMed 30283093
7. Mesri A, Cunha AB, Martinsen OG, Sampietro M, Ferrari G (2018)
   A Laser Diode-Based Wireless Optogenetic
   2018 14TH CONFERENCE ON PHD RESEARCH IN MICROELECTRONICS AND ELECTRONICS (PRIME 2018), 257-260
8. Pabst O, Martinsen OG (2018)
   Interpretation of the pinched point position in human skin memristor measurements
   IFMBE PROC, 65, 430-433
   DOI 10.1007/978-981-10-5122-7_108
9. Pabst O, Martinsen ØG, Chua L (2018)
   The non-linear electrical properties of human skin make it a generic memristor
   Sci Rep, 8 (1), 15806
   DOI 10.1038/s41598-018-34059-6, PubMed 30361557
10. Pettersen FJ (2018)
    On Sensitivity in Transfer Impedance Measurements
    J Electr Bioimpedance, 9 (1), 159-162
    DOI 10.2478/joeb-2018-0020, PubMed 33584931
11. Schalit I, Espinoza A, Pettersen FJ, Thiara APS, Karlsen H, Sørensen G, Fosse E, Fiane AE, Halvorsen PS (2018)
    Accelerometer Detects Pump Thrombosis and Thromboembolic Events in an In vitro HVAD Circuit
    ASAIO J, 64 (5), 601-609
    DOI 10.1097/MAT.0000000000000699, PubMed 29088023
12. Strand-Amundsen RJ, Reims HM, Reinholt FP, Ruud TE, Yang R, Høgetveit JO, Tønnessen TI (2018)
    Ischemia/reperfusion injury in porcine intestine - Viability assessment
    World J Gastroenterol, 24 (18), 2009-2023
    DOI 10.3748/wjg.v24.i18.2009, PubMed 29760544
13. Strand-Amundsen RJ, Tronstad C, Kalvøy H, Ruud TE, Høgetveit JO, Martinsen ØG, Tønnessen TI (2018)
    Small intestinal ischemia and reperfusion-bioimpedance measurements
    Physiol Meas, 39 (2), 025001
    DOI 10.1088/1361-6579/aaa576, PubMed 29303488
14. Strand-Amundsen RJ, Tronstad C, Reims HM, Reinholt FP, Høgetveit JO, Tønnessen TI (2018)
    Machine learning for intraoperative prediction of viability in ischemic small intestine
    Physiol Meas, 39 (10), 105011
    DOI 10.1088/1361-6579/aae0ea, PubMed 30207981
15. Tronstad C, Elvebakk O, Staal OM, Kalvøy H, Høgetveit JO, Jenssen TG, Birkeland KI, Martinsen ØG (2018)
    Non-invasive prediction of blood glucose trends during hypoglycemia
    Anal Chim Acta, 1052, 37-48
    DOI 10.1016/j.aca.2018.12.009, PubMed 30685040

Publications 2017

1. Adamczak MI, Martinsen ØG, Smistad G, Hiorth M (2017)
   Polymer coated mucoadhesive liposomes intended for the management of xerostomia
   Int J Pharm, 527 (1-2), 72-78
   DOI 10.1016/j.ijpharm.2017.05.032, PubMed 28522426
2. Bari DS, Aldosky HYY, Tronstad C, Kalvøy H, Martinsen ØG (2017)
   Electrodermal responses to discrete stimuli measured by skin conductance, skin potential, and skin susceptance
   Skin Res Technol, 24 (1), 108-116
   DOI 10.1111/srt.12397, PubMed 28776764
3. Kalvoy H, Tronstad C, Ullensvang K, Steinfeldt T, Sauter AR (2017)
   Detection of needle to nerve contact based on electric bioimpedance and machine learning methods
   Annu Int Conf IEEE Eng Med Biol Soc, 2017, 9-12
   DOI 10.1109/EMBC.2017.8036750, PubMed 29059798
4. Pabst O, Tronstad C, Martinsen OG (2017)
   Instrumentation, electrode choice and challenges in human skin memristor measurement
   Annu Int Conf IEEE Eng Med Biol Soc, 2017, 1844-1848
   DOI 10.1109/EMBC.2017.8037205, PubMed 29060249
5. Restan MS, Jensen H, Shen X, Huang C, Martinsen ØG, Kubáň P, Gjelstad A, Pedersen-Bjergaard S (2017)
   Comprehensive study of buffer systems and local pH effects in electromembrane extraction
   Anal Chim Acta, 984, 116-123
   DOI 10.1016/j.aca.2017.06.049, PubMed 28843554
6. Schwingenschuh S, Scharfetter H, Martinsen ØG, Boulgaropoulos B, Augustin T, Tiffner KI, Dragatin C, Raml R, Hoefferer C, Prandl EC, Sinner F, Hajnsek M (2017)
   Assessment of skin permeability to topically applied drugs by skin impedance and admittance
   Physiol Meas, 38 (11), N138-N150
   DOI 10.1088/1361-6579/aa904e, PubMed 28967873
7. Skjærvø Ø, Brandtzaeg OK, Lausund KB, Pabst O, Martinsen ØG, Lundanes E, Wilson SR (2017)
   Exploring bioimpendance instrumentation for the characterization of open tubular liquid chromatography columns
   J Chromatogr A, 1534, 195-200
   DOI 10.1016/j.chroma.2017.12.060, PubMed 29290401
8. Strand-Amundsen RJ, Reims HM, Tronstad C, Kalvøy H, Martinsen ØG, Høgetveit JO, Ruud TE, Tønnessen TI (2017)
   Ischemic small intestine-in vivo versus ex vivo bioimpedance measurements
   Physiol Meas, 38 (5), 715-728
   DOI 10.1088/1361-6579/aa67b7, PubMed 28319030
9. Tronstad C, Elvebakk O, Kalvoy H, Bjorgaas MR, Martinsen OG (2017)
   Detection of sympathoadrenal discharge by parameterisation of skin conductance and ECG measurement
   Annu Int Conf IEEE Eng Med Biol Soc, 2017, 3997-4000
   DOI 10.1109/EMBC.2017.8037732, PubMed 29060773

Publications 2016

1. Abie SM, Bergli J, Galperin Y, Martinsen OG (2016)
   Universality of AC conductance in human hair
   Biomed. Phys. Eng. Express, 2 (2), 027002
   DOI 10.1088/2057-1976/2/2/027002
2. Adamczak MI, Martinsen ØG, Smistad G, Hiorth M (2016)
   Water sorption properties of HM-pectin and liposomes intended to alleviate dry mouth
   Int J Pharm, 506 (1-2), 201-6
   DOI 10.1016/j.ijpharm.2016.04.050, PubMed 27109048
3. Canali C, Aristovich K, Ceccarelli L, Larsen LB, Martinsen G, Wolff A, Dufva M, Emnéus J, Heiskanen A (2016)
   Electrical impedance tomography methods for miniaturised 3D systems
   Journal of Electrical Bioimpedance, 7, 59–67
   DOI 10.5617/jeb.4084, PublikaID 239
4. Canali C, Heiskanen A, Martinsen OG, Mohanty S, Dufva M, Wolff A, Emneus J (2016)
   Impedance-Based Monitoring for Tissue Engineering Applications
   IFMBE PROC, 54, 36-39
   DOI 10.1007/978-981-287-928-8_10
5. Nygaard K, Thiara AS, Tronstad C, Ringdal MA, Fiane AE (2016)
   VAVD vacuum may cause bubble transgression in membrane oxygenators
   Perfusion, 31 (8), 648-652
   DOI 10.1177/0267659116651345, PubMed 27226328
6. Pabst O, Tronstad C, Grimnes S, Fowles D, Martinsen ØG (2016)
   Comparison between the AC and DC measurement of electrodermal activity
   Psychophysiology, 54 (3), 374-385
   DOI 10.1111/psyp.12803, PubMed 28000290
7. Pettersen FJ, Martinsen OG, Hogetveit JO, Kalvoy H, Odland HH (2016)
   Bioimpedance measurements of temporal changes in beating hearts
   Biomed. Phys. Eng. Express, 2 (6), 065015
   DOI 10.1088/2057-1976/2/6/065015
8. Strand-Amundsen RJ, Tronstad C, Kalvøy H, Gundersen Y, Krohn CD, Aasen AO, Holhjem L, Reims HM, Martinsen ØG, Høgetveit JO, Ruud TE, Tønnessen TI (2016)
   In vivo characterization of ischemic small intestine using bioimpedance measurements
   Physiol Meas, 37 (2), 257-75
   DOI 10.1088/0967-3334/37/2/257, PubMed 26805916

Publications 2015

1. Canali C, Larsen LB, Martinsen OG, Heiskanen A (2015)
   Conductometric analysis in bio-applications: A universal impedance spectroscopy-based approach using modified electrodes
   Sens. Actuator B-Chem., 212, 544-550
   DOI 10.1016/j.snb.2015.02.029
2. Canali C, Mazzoni C, Larsen LB, Heiskanen A, Martinsen ØG, Wolff A, Dufva M, Emnéus J (2015)
   An impedance method for spatial sensing of 3D cell constructs--towards applications in tissue engineering
   Analyst, 140 (17), 6079-88
   DOI 10.1039/c5an00987a, PubMed 26198701
3. Canali C, Mohanty S, Heiskanen A, Muhammad HB, Martinsen OG, Dufva M, Wolff A, Emneus J (2015)
   Impedance Spectroscopic Characterisation of Porosity in 3D Cell Culture Scaffolds with Different Channel Networks
   Electroanalysis, 27 (1), 193-199
   DOI 10.1002/elan.201400413
4. Herum KM, Lunde IG, Skrbic B, Louch WE, Hasic A, Boye S, Unger A, Brorson SH, Sjaastad I, Tønnessen T, Linke WA, Gomez MF, Christensen G (2015)
   Syndecan-4 is a key determinant of collagen cross-linking and passive myocardial stiffness in the pressure-overloaded heart
   Cardiovasc Res, 106 (2), 217-26
   DOI 10.1093/cvr/cvv002, PubMed 25587045
5. Kalvoy H, Aliau-Bonet C, Pallas-Areny R, Martinsen OG (2015)
   Effects of stray capacitance to ground in three electrode monopolar needle bioimpedance measurements
   Annu Int Conf IEEE Eng Med Biol Soc, 2015, 7542-5
   DOI 10.1109/EMBC.2015.7320137, PubMed 26738037
6. Kalvøy H, Sauter AR (2015)
   Detection of intraneural needle-placement with multiple frequency bioimpedance monitoring: a novel method
   J Clin Monit Comput, 30 (2), 185-92
   DOI 10.1007/s10877-015-9698-3, PubMed 25902898
7. Martinsen G, Pabst O, Tronstad C, Grimnes S (2015)
   Sources of error in AC measurement of skin conductance
   Journal of Electrical Bioimpedance, 6 (2015), 49-53
   DOI 10.5617/jeb.2640, PublikaID 230
8. Pettersen FJ, Høgetveit JO (2015)
   Optically isolated current source
   Journal of Electrical Bioimpedance, 6 (2015), 18-21
   DOI 10.5617/jeb.2571, PublikaID 223
9. Pettersen FJ, Martinsen T, Hogetveit JO, Martinsen OG (2015)
   Unintentional heating at implants when using electrosurgery
   Annu Int Conf IEEE Eng Med Biol Soc, 2015, 5805-8
   DOI 10.1109/EMBC.2015.7319711, PubMed 26737611
10. Tronstad C, Omenås IN, Rosseland LA (2015)
    An improved artifact removal algorithm for continuous cardiac output and blood pressure recordings
    Annu Int Conf IEEE Eng Med Biol Soc, 2015, 5968-72
    DOI 10.1109/EMBC.2015.7319751, PubMed 26737651
11. Tronstad C, Staal OM, Saelid S, Martinsen OG (2015)
    Model- based filtering for artifact and noise suppression with state estimation for electrodermal activity measurements in real time
    Annu Int Conf IEEE Eng Med Biol Soc, 2015, 2750-3
    DOI 10.1109/EMBC.2015.7318961, PubMed 26736861

Publications 2014

1. Canali C, Heiskanen A, Muhammad HB, Høyum P, Pettersen FJ, Hemmingsen M, Wolff A, Dufva M, Martinsen ØG, Emnéus J (2014)
   Bioimpedance monitoring of 3D cell culturing--complementary electrode configurations for enhanced spatial sensitivity
   Biosens Bioelectron, 63, 72-79
   DOI 10.1016/j.bios.2014.07.020, PubMed 25058941
2. Martinsen ØG, Nordbotten B, Grimnes S, Fossan H, Eilevstjønn J (2014)
   Bioimpedance-based respiration monitoring with a defibrillator
   IEEE Trans Biomed Eng, 61 (6), 1858-62
   DOI 10.1109/TBME.2014.2308924, PubMed 24845296
3. Nordbotten BJ, Tronstad C, Martinsen ØG, Grimnes S (2014)
   Estimation of skin conductance at low frequencies using measurements at higher frequencies for EDA applications
   Physiol Meas, 35 (6), 1011-8
   DOI 10.1088/0967-3334/35/6/1011, PubMed 24844405
4. Pettersen FJ, Ferdous H, Kalvøy H, Martinsen ØG, Høgetveit JO (2014)
   Comparison of four different FIM configurations--a simulation study
   Physiol Meas, 35 (6), 1067-82
   DOI 10.1088/0967-3334/35/6/1067, PubMed 24844930
5. Pischke SE, Hyler S, Tronstad C, Bergsland J, Fosse E, Halvorsen PS, Skulstad H, Tønnessen TI (2014)
   Myocardial tissue CO2 tension detects coronary blood flow reduction after coronary artery bypass in real-time†
   Br J Anaesth, 114 (3), 414-22
   DOI 10.1093/bja/aeu381, PubMed 25392231
6. Tronstad C, Helsing P, Tønseth KA, Grimnes S, Krogstad AL (2014)
   Tumescent suction curettage vs. curettage only for treatment of axillary hyperhidrosis evaluated by subjective and new objective methods
   Acta Derm Venereol, 94 (2), 215-20
   DOI 10.2340/00015555-1671, PubMed 24002584
7. Tronstad C, Pripp AH (2014)
   Statistical methods for bioimpedance analysis
   J Electr Bioimp, 5, 14–27
   DOI 10.5617/jeb.830, PublikaID 218
8. Øyri K, Chávez-Santiago R, Støa S, Martinsen ØG, Balasingham I, Fosse E (2014)
   Wireless vital signs from a life-supporting medical device exposed to electromagnetic disturbance
   Minim Invasive Ther Allied Technol, 23 (6), 341-9
   DOI 10.3109/13645706.2014.931869, PubMed 24976270

Publications 2013

1. Abir R, Pettersen FJ, Martinsen G, Rabbani KS (2013)
   Effect of a spherical object in 4 electrode Focused Impedance Method (FIM): measurement and simulation
   J Phys: Conf Ser, 434, 012009
   DOI 10.1088/1742-6596/434/1/012009, PublikaID 212
2. Tronstad C, Kalvøy H, Grimnes S, Martinsen Ø (2013)
   Improved estimation of sweating based on electrical properties of skin
   Ann Biomed Eng, 41 (5), 1074-83
   DOI 10.1007/s10439-013-0743-4, PubMed 23325304
3. Tronstad C, Kalvøy H, Grimnes S, Martinsen ØG (2013)
   Waveform difference between skin conductance and skin potential responses in relation to electrical and evaporative properties of skin
   Psychophysiology, 50 (11), 1070-8
   DOI 10.1111/psyp.12092, PubMed 23889171

Publications 2012

1. Ahn AC, Gow BJ, Martinsen OG, Zhao M, Grodzinsky AJ, Baikie ID (2012)
   Applying the Kelvin probe to biological tissues: theoretical and computational analyses
   Phys Rev E Stat Nonlin Soft Matter Phys, 85 (6 Pt 1), 061901
   DOI 10.1103/PhysRevE.85.061901, PubMed 23005121
2. Boucsein W, Fowles DC, Grimnes S, Ben-Shakhar G, roth WT, Dawson ME, Filion DL, Society for Psychophysiological Research Ad Hoc Committee on Electrodermal Measures (2012)
   Publication recommendations for electrodermal measurements
   Psychophysiology, 49 (8), 1017-34
   DOI 10.1111/j.1469-8986.2012.01384.x, PubMed 22680988
3. Gow BJ, Cheng JL, Baikie ID, Martinsen OG, Zhao M, Smith S, Ahn AC (2012)
   Electrical potential of acupuncture points: use of a noncontact scanning Kelvin probe
   Evid Based Complement Alternat Med, 2012, 632838
   DOI 10.1155/2012/632838, PubMed 23320033
4. Haugan B, Langerud AK, Kalvøy H, Frøslie KF, Riise E, Kapstad H (2012)
   Can we trust the new generation of infrared tympanic thermometers in clinical practice?
   J Clin Nurs, 22 (5-6), 698-709
   DOI 10.1111/j.1365-2702.2012.04077.x, PubMed 22860884
5. Hoekstra F, Martinsen OG, Verdaasdonk RM, Janssen TWJ, Meijer JH (2012)
   The Initial Systolic Time Interval in patients with spinal cord injury measured with impedance cardiography
   J PHYS CONF SER, 407, 012025
   DOI 10.1088/1742-6596/407/1/012025
6. Johnsen GK, Knaapila M, Martinsen OG, Helgesen G (2012)
   Conductivity enhancement of silver filled polymer composites through electric field alignment
   Compos. Sci. Technol., 72 (15), 1841-1847
   DOI 10.1016/j.compscitech.2012.07.011
7. Pischke SE, Tronstad C, Holhjem L, Halvorsen PS, Tønnessen TI (2012)
   Perioperative detection of myocardial ischaemia/reperfusion with a novel tissue CO2 monitoring technology
   Eur J Cardiothorac Surg, 42 (1), 157-63
   DOI 10.1093/ejcts/ezr278, PubMed 22290904
8. Pischke SE, Tronstad C, Holhjem L, Line PD, Haugaa H, Tønnessen TI (2012)
   Hepatic and abdominal carbon dioxide measurements detect and distinguish hepatic artery occlusion and portal vein occlusion in pigs
   Liver Transpl, 18 (12), 1485-94
   DOI 10.1002/lt.23544, PubMed 22961940

Publications 2011

1. Eide PK, Bakken A (2011)
   The baseline pressure of intracranial pressure (ICP) sensors can be altered by electrostatic discharges
   Biomed Eng Online, 10, 75
   DOI 10.1186/1475-925X-10-75, PubMed 21859487
2. Grimnes S, Jabbari A, Martinsen ØG, Tronstad C (2011)
   Electrodermal activity by DC potential and AC conductance measured simultaneously at the same skin site
   Skin Res Technol, 17 (1), 26-34
   DOI 10.1111/j.1600-0846.2010.00459.x, PubMed 20923453
3. Høgetveit JO, Saatvedt K, Norum H, Kristiansen F, Elvebakk O, Dahle G, Geiran OR (2011)
   Central venous catheters may be a potential source of massive air emboli during vascular procedures involving extracorporeal circulation: an experimental study
   Perfusion, 26 (4), 341-6
   DOI 10.1177/0267659111403644, PubMed 21558301
4. Johnsen GK, Lütken CA, Martinsen OG, Grimnes S (2011)
   Memristive model of electro-osmosis in skin
   Phys Rev E Stat Nonlin Soft Matter Phys, 83 (3 Pt 1), 031916
   DOI 10.1103/PhysRevE.83.031916, PubMed 21517534
5. Johnsen GK, Norlen L, Martinsen ØG, Grimnes S (2011)
   Sorption properties of the human stratum corneum
   Skin Pharmacol Physiol, 24 (4), 190-8
   DOI 10.1159/000324051, PubMed 21346399
6. Kalvøy H, Johnsen GK, Martinsen OG, Grimnes S (2011)
   New method for separation of electrode polarization impedance from measured tissue impedance
   Open Biomed Eng J, 5, 8-13
   DOI 10.2174/1874120701105010008, PubMed 21625369
7. Knaapila M, Rømoen OT, Svåsand E, Pinheiro JP, Martinsen ØG, Buchanan M, Skjeltorp AT, Helgesen G (2011)
   Conductivity enhancement in carbon nanocone adhesive by electric field induced formation of aligned assemblies
   ACS Appl Mater Interfaces, 3 (2), 378-84
   DOI 10.1021/am100990c, PubMed 21268639
8. Mikolajewska P, Rømoen OT, Martinsen OG, Iani V, Moan J, Grimnes S, Juzeniene A (2011)
   Bioimpedance for pain monitoring during cutaneous photodynamic therapy: Preliminary study
   Photodiagnosis Photodyn Ther, 8 (4), 307-13
   DOI 10.1016/j.pdpdt.2011.06.001, PubMed 22122917
9. Nordbotten BJ, Tronstad C, Martinsen Ø, Grimnes S (2011)
   Evaluation of algorithms for calculating bioimpedance phase angle values from measured whole-body impedance modulus
   Physiol Meas, 32 (7), 755-65
   DOI 10.1088/0967-3334/32/7/S03, PubMed 21646707
10. Pettersen FJ, Høgetveit JO (2011)
    From 3D tissue data to impedance using Simpleware ScanFE+IP and COMSOL Multiphysics – a tutorial
    JEB, 2, 13-32
    DOI 10.5617/jeb.173, PublikaID 126

Publications 2010

1. Høyum P, Kalvøy H, Martinsen ØG, Grimnes S (2010)
   A finite element model of needle electrode spatial sensitivity
   Physiol Meas, 31 (10), 1369-79
   DOI 10.1088/0967-3334/31/10/006, PubMed 20736490
2. Johnsen GK, Haugsnes AB, Martinsen OG, Grimnes S (2010)
   A new approach for an estimation of the equilibrium stratum corneum water content
   Skin Res Technol, 16 (2), 142-5
   DOI 10.1111/j.1600-0846.2009.00412.x, PubMed 20456093
3. Kalvøy H, Tronstad C, Nordbotten B, Grimnes S, Martinsen ØG (2010)
   Electrical impedance of stainless steel needle electrodes
   Ann Biomed Eng, 38 (7), 2371-82
   DOI 10.1007/s10439-010-9989-2, PubMed 20217478
4. Martinsen OG, Kalvøy H, Grimnes S, Nordbotten B, Hol PK, Fosse E, Myklebust H, Becker LB (2010)
   Invasive electrical impedance tomography for blood vessel detection
   Open Biomed Eng J, 4, 135-7
   DOI 10.2174/1874120701004010135, PubMed 21611140
5. Pettersen FJ, Martinsen G, Grimnes S, Høgetveit JO (2010)
   Impedance measurement set-up based on off-the-shelf PXI modules.
   Journal of Physics: Conference Series, 224 (1), 012002
   DOI 10.1088/1742-6596/224/1/012002, PublikaID 127
6. Tronstad C, Johnsen GK, Grimnes S, Martinsen ØG (2010)
   A study on electrode gels for skin conductance measurements
   Physiol Meas, 31 (10), 1395-410
   DOI 10.1088/0967-3334/31/10/008, PubMed 20811086
7. Tronstad C, Pischke SE, Holhjem L, Tønnessen TI, Martinsen OG, Grimnes S (2010)
   Early detection of cardiac ischemia using a conductometric pCO(2) sensor: real-time drift correction and parameterization
   Physiol Meas, 31 (9), 1241-55
   DOI 10.1088/0967-3334/31/9/013, PubMed 20702916

Publications 2009

1. Grimnes S, Martinsen OG, Tronstad C (2009)
   Noise properties of the 3-electrode skin admittance measuring circuit
   IFMBE PROC, 22 (1-3), 720-722
2. Høgetveit JO, Kristiansen F, Røislien J (2009)
   A novel method for indirectly monitoring arterial pO(2) during cardiopulmonary bypass
   J Med Eng Technol, 33 (7), 567-74
   DOI 10.1080/03091900903071897, PubMed 19591049
3. Johnsen GK, Martinsen OG, Grimnes S (2009)
   Estimation of in vivo water content of the stratum corneum from electrical measurements
   Open Biomed Eng J, 3, 8-12
   DOI 10.2174/1874120700903010008, PubMed 19707522
4. Kalvøy H, Frich L, Grimnes S, Martinsen OG, Hol PK, Stubhaug A (2009)
   Impedance-based tissue discrimination for needle guidance
   Physiol Meas, 30 (2), 129-40
   DOI 10.1088/0967-3334/30/2/002, PubMed 19136732
5. Martinsen OG, Grimnes S (2009)
   The concept of transfer impedance in bioimpedance measurements
   IFMBE PROC, 22 (1-3), 1078-+
6. Sauter AR, Dodgson MS, Kalvøy H, Grimnes S, Stubhaug A, Klaastad O (2009)
   Current threshold for nerve stimulation depends on electrical impedance of the tissue: a study of ultrasound-guided electrical nerve stimulation of the median nerve
   Anesth Analg, 108 (4), 1338-43
   DOI 10.1213/ane.0b013e3181957d84, PubMed 19299809
7. Svasand E, Kristiansen KD, Martinsen OG, Helgesen G, Grimnes S, Skjeltorp AT (2009)
   Behavior of carbon cone particle dispersions in electric and magnetic fields
   Colloid Surf. A-Physicochem. Eng. Asp., 339 (1-3), 211-216
   DOI 10.1016/j.colsurfa.2009.02.025

Publications 2008

1. Ahn AC, Colbert AP, Anderson BJ, Martinsen OG, Hammerschlag R, Cina S, Wayne PM, Langevin HM (2008)
   Electrical properties of acupuncture points and meridians: a systematic review
   Bioelectromagnetics, 29 (4), 245-56
   DOI 10.1002/bem.20403, PubMed 18240287
2. Kalvoy H, Martinsen OG, Grimnes S (2008)
   Determination of tissue type surrounding a needle tip by electrical bioimpedance
   Annu Int Conf IEEE Eng Med Biol Soc, 2008, 2285-6
   DOI 10.1109/IEMBS.2008.4649653, PubMed 19163156
3. Martinsen OG, Grimnes S, Nilsen SH (2008)
   Water sorption and electrical properties of a human nail
   Skin Res Technol, 14 (2), 142-6
   DOI 10.1111/j.1600-0846.2007.00267.x, PubMed 18412555
4. Martinsen ØG, Grimnes S, Nilsen JK, Tronstad C, Jang W, Kim H, Shin K, Naderi M, Thielmann F (2008)
   Gravimetric method for in vitro calibration of skin hydration measurements
   IEEE Trans Biomed Eng, 55 (2 Pt 1), 728-32
   DOI 10.1109/TBME.2007.912651, PubMed 18270010
5. Tronstad C, Gjein GE, Grimnes S, Martinsen ØG, Krogstad AL, Fosse E (2008)
   Electrical measurement of sweat activity
   Physiol Meas, 29 (6), S407-15
   DOI 10.1088/0967-3334/29/6/S34, PubMed 18544832
6. Tronstad C, Martinsen OG, Grimnes S (2008)
   Embedded instrumentation for skin admittance measurement
   Annu Int Conf IEEE Eng Med Biol Soc, 2008, 2373-6
   DOI 10.1109/IEMBS.2008.4649676, PubMed 19163179

Publications 2007

1. Ahn AC, Martinsen OG (2007)
   Electrical characterization of acupuncture points: technical issues and challenges
   J Altern Complement Med, 13 (8), 817-24
   DOI 10.1089/acm.2007.7193, PubMed 17983337
2. Grimnes S, Martinsen OG (2007)
   Comments on "algorithm for tissue ischemia estimation based on electrical impedance spectroscopy"
   IEEE Trans Biomed Eng, 54 (2), 344
   DOI 10.1109/TBME.2006.889664, PubMed 17278593
3. Grimnes S, Martinsen OG (2007)
   Sources of error in tetrapolar impedance measurements on biomaterials and other ionic conductors
   J. Phys. D-Appl. Phys., 40 (1), 9-14
   DOI 10.1088/0022-3727/40/1/S02
4. Imenes K, Aasmundtveit K, Husa EM, Høgetveit JO, Halvorsen S, Elle OJ, Mirtaheri P, Fosse E, Hoff L (2007)
   Assembly and packaging of a three-axis micro accelerometer used for detection of heart infarction
   Biomed Microdevices, 9 (6), 951-7
   DOI 10.1007/s10544-007-9082-2, PubMed 17492383
5. Kalvoy H, Grimnes S, Martinsen OG (2007)
   Needle position determined by tissue impedance
   IFMBE PROC, 17, 205-+
6. Martinsen OG, Clausen S, Nysaether JB, Grimnes S (2007)
   Utilizing characteristic electrical properties of the epidermal skin layers to detect fake fingers in biometric fingerprint systems--a pilot study
   IEEE Trans Biomed Eng, 54 (5), 891-4
   DOI 10.1109/TBME.2007.893472, PubMed 17518286
7. Martinsen OG, Grimnes S, Nilsen JK, Tronstad C, Jang W, Kim H, Shin K (2007)
   Calibration of skin hydration measurements
   IFMBE PROC, 17, 161-+
8. Mirtaheri P, Grimnes S, Martinsen OG (2007)
   Designing a PtCO2 sensor based on conductivity measurements
   IFMBE PROC, 17, 300-+
9. Tronstad C, Grimnes S, Martinsen OG, Fosse E (2007)
   Developmeut of a medical device for long-term sweat activity measurements
   IFMBE PROC, 17, 236-+

Publications 2006

1. Fahlstrøm E, Grimnes S, Johannejen NH (2006)
   An interdepartmental, standardized equipment pool
   J Nurs Manag, 14 (2), 148-54
   DOI 10.1111/j.1365-2934.2006.00564.x, PubMed 16487426
2. Høgetveit JO, Kristiansen F, Pedersen TH (2006)
   Development of an instrument to indirectly monitor arterial pCO2 during cardiopulmonary bypass
   Perfusion, 21 (1), 13-9
   DOI 10.1191/0267659106pf841oa, PubMed 16485694
3. Kristiansen F, Høgetveit JO, Pedersen TH (2006)
   Clinical evaluation of an instrument to measure carbon dioxide tension at the oxygenator gas outlet in cardiopulmonary bypass
   Perfusion, 21 (1), 21-6
   DOI 10.1191/0267659106pf842oa, PubMed 16485695
4. Øyri K, Balasingham I, Høgetveit JO (2006)
   Implementation of wireless technology in advanced clinical practice
   Stud Health Technol Inform, 122, 730-3
   PubMed 17102360
5. Øyri K, Balasingham I, Samset E, Høgetveit JO, Fosse E (2006)
   Wireless continuous arterial blood pressure monitoring during surgery: a pilot study
   Anesth Analg, 102 (2), 478-83
   DOI 10.1213/01.ane.0000195232.11264.46, PubMed 16428546

Publications 2005

1. Elle OJ, Halvorsen S, Gulbrandsen MG, Aurdal L, Bakken A, Samset E, Dugstad H, Fosse E (2005)
   Early recognition of regional cardiac ischemia using a 3-axis accelerometer sensor
   Physiol Meas, 26 (4), 429-40
   DOI 10.1088/0967-3334/26/4/009, PubMed 15886438
2. Grimnes S, Martinsen OG (2005)
   Cole electrical impedance model--a critique and an alternative
   IEEE Trans Biomed Eng, 52 (1), 132-5
   DOI 10.1109/TBME.2004.836499, PubMed 15651574
3. Mirtaheri P, Grimnes S, Martinsen OG (2005)
   Electrode polarization impedance in weak NaCl aqueous solutions
   IEEE Trans Biomed Eng, 52 (12), 2093-9
   DOI 10.1109/TBME.2005.857639, PubMed 16366232
4. Samset E, Høgetveit JO, Cate GT, Hirschberg H (2005)
   Integrated neuronavigation system with intraoperative image updating
   Minim Invasive Neurosurg, 48 (2), 73-6
   DOI 10.1055/s-2004-830224, PubMed 15906200

Publications 2004

1. Amoussou-Guenou KM, Martinsen OG, Hounkponou M, Doumit J, Healy JC (2004)
   Basic principles for evaluation of less deformable erythrocyte subpopulations with the Microfiltrometer
   Scand J Clin Lab Invest, 64 (3), 169-74
   DOI 10.1080/00365510410004858, PubMed 15222626
2. Amoussou-Guenou KM, Martinsen OG, Squitiero B, Rusch P, Healy JC (2004)
   The Microfiltrometer (MicroFM): a new filtration device for the assessment of less deformable erythrocyte subpopulations
   Scand J Clin Lab Invest, 64 (2), 108-12
   DOI 10.1080/00365510410004849, PubMed 15115247
3. Mirtaheri P, Grimnes S, Martinsen OG, Tønnessen TI (2004)
   A new biomedical sensor for measuring PCO2
   Physiol Meas, 25 (2), 421-36
   DOI 10.1088/0967-3334/25/2/002, PubMed 15132308
4. Mirtaheri P, Omtveit T, Klotzbuecher T, Grimnes S, Martinsen OG, Tønnessen TI (2004)
   Miniaturization of a biomedical gas sensor
   Physiol Meas, 25 (6), 1511-22
   DOI 10.1088/0967-3334/25/6/015, PubMed 15712728

Publications 2003

1. Barbosa PR, Barbosa-Filho J, de Sá CA, Barbosa EC, Nadal J (2003)
   Reduction of electromyographic noise in the signal-averaged electrocardiogram by spectral decomposition
   IEEE Trans Biomed Eng, 50 (1), 114-7
   DOI 10.1109/TBME.2002.807317, PubMed 12617532
2. Martinsen OG, Grimnes S (2003)
   Authors reply to comments on "Line patterns in the mosaic electric properties of human skin--a cross correlation study."
   IEEE Trans Biomed Eng, 50 (1), 114
   DOI 10.1109/TBME.2001.936373, PubMed 12617531
3. Retterstol L, Paus B, Bohn M, Bakken A, Erikssen J, Malinow MR, Berg K (2003)
   Plasma total homocysteine levels and prognosis in patients with previous premature myocardial infarction: a 10-year follow-up study
   J Intern Med, 253 (3), 284-92
   DOI 10.1046/j.1365-2796.2003.01096.x, PubMed 12603495

Publications 2002

1. Hernes KG, Mørkrid L, Fremming A, Ødegården S, Martinsen ØG, Storm H (2002)
   Skin conductance changes during the first year of life in full-term infants
   Pediatr Res, 52 (6), 837-43
   DOI 10.1203/00006450-200212000-00005, PubMed 12438658

Publications 2001

1. Martinsen OG, Grimnes S (2001)
   Facts and myths about electrical measurement of stratum corneum hydration state
   Dermatology, 202 (2), 87-9
   DOI 10.1159/000051604, PubMed 11306826
2. Martinsen OG, Grimnes S, Mørkrid L, Hareide M (2001)
   Line patterns in the mosaic electrical properties of human skin--a cross-correlation study
   IEEE Trans Biomed Eng, 48 (6), 731-4
   DOI 10.1109/10.923791, PubMed 11396602
3. Retterstol L, Djurovic S, Bohn M, Bakken A, Erikssen J, Berg K (2001)
   Plasma N-terminal pro-atrial natriuretic peptide predicts death after premature myocardial infarction, but not as well as radionuclide ejection fraction. A ten-year follow-up study
   Scand Cardiovasc J, 35 (6), 373-8
   DOI 10.1080/14017430152754853, PubMed 11837516
4. Retterstol L, Kierulf P, Pedersen JC, Bohn M, Bakken A, Erikssen J, Berg K (2001)
   Plasma fibrinogen level and long-term prognosis in Norwegian middle-aged patients with previous myocardial infarction. A 10 year follow-up study
   J Intern Med, 249 (6), 511-8
   DOI 10.1046/j.1365-2796.2001.00837.x, PubMed 11422657

Publications 2000

1. Elle OJ, Samset E, Bakken A, Hogetveit JO, Fosse E (2000)
   Head-tracking in scopic surgical procedures using Robot-held camera and head-mounted stereoscopic display
   INT CONGR SER, 1214, 121-127
2. Martinsen OG, Grimnes S, Mirtaheri P (2000)
   Non-invasive measurements of post-mortem changes in dielectric properties of haddock muscle - a pilot study
   J. Food Eng., 43 (3), 189-192
   DOI 10.1016/S0260-8774(99)00151-X
3. Storm H, Fremming A, Odegaard S, Martinsen OG, Morkrid L (2000)
   The development of a software program for analyzing spontaneous and externally elicited skin conductance changes in infants and adults
   Clin Neurophysiol, 111 (10), 1889-98
   DOI 10.1016/s1388-2457(00)00421-1, PubMed 11018507