Hermann Scharfetter

Ao.Univ.-Prof. Dipl.-Ing. Dr.techn.

1992 …2021
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Research Output 1992 2019

2019

Estimation of the magnitude of quadrupole relaxation enhancement in the context of magnetic resonance imaging contrast

Kruk, D., Masiewicz, E., Umut, E., Petrovic, A., Kargl, R. & Scharfetter, H., 14 May 2019, In : The journal of chemical physics. 150, 18, p. 184306 184306.

Research output: Contribution to journalArticleResearchpeer-review

Magnetic resonance
magnetic resonance
quadrupoles
Imaging techniques
Relaxation time

High-Field Detection of Biomarkers with Fast Field-Cycling MRI: The Example of Zinc Sensing

Bödenler, M., Malikidogo, K. P., Morfin, J. F., Aigner, C. S., Tóth, É., Bonnet, C. S. & Scharfetter, H., 21 Jun 2019, In : Chemistry - a European Journal. 25, 35, p. 8236-8239 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Biomarkers
Magnetic resonance
Zinc
Imaging techniques
Molecular Probes

High-Precision rapid sampling device

Klimacek, M., Scharfetter, H. & Hilber, D., 23 Oct 2019, IPC No. EP 3 556 843 A1, Patent No. 18168285.7

Research output: PatentResearch

Multi-quantum quadrupole relaxation enhancement effects in 209Bi compounds

Kruk, D., Umut, E., Masiewicz, E., Fischer, R. & Scharfetter, H., 14 May 2019, In : The journal of chemical physics. 150, 18, p. 184309 184309.

Research output: Contribution to journalArticleResearchpeer-review

Nuclear quadrupole resonance
Powders
quadrupoles
Nuclear magnetic resonance
augmentation

Tris(2-Methoxyphenyl)bismuthine polymorphism characterized by nuclear quadrupole resonance spectroscopy

Scharfetter, H., Fischer, R., Krassnig, P., Thonhofer, M., Theyer, F. & Gösweiner, C., 1 Sep 2019, In : Crystals. 9, 9, 446.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Nuclear quadrupole resonance
nuclear quadrupole resonance
polymorphism
Polymorphism
Spectroscopy
2018

1H relaxation and dynamics of triphenylbismuth in deuterated solvents

Kruk, D., Masiewicz, E., Umut, E. & Scharfetter, H., 2018, In : Molecular physics. 2018, 117, p. 921 - 926

Research output: Contribution to journalArticleResearchpeer-review

Open Access

1H spin-lattice relaxation in water solution of 209Bi counterparts of Gd3+contrast agents

Kruk, D., Masiewicz, E., Umut, E. & Scharfetter, H., 2018, In : Molecular physics. 117, p. 927 -934

Research output: Contribution to journalArticleResearchpeer-review

Open Access

209Bi quadrupole relaxation enhancement in solids as a step towards new contrast mechanisms in magnetic resonance imaging

Kruk, D., Umut, E., Masiewicz, E., Sampl, C., Fischer, R., Spirk, S., Goesweiner, C. & Scharfetter, H., 1 Jan 2018, In : Physical Chemistry Chemical Physics. 20, 18, p. 12710-12718 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Spin-lattice relaxation
Magnetic resonance
magnetic resonance
quadrupoles
Nuclear quadrupole resonance

A cryostatic, fast scanning, wideband NQR spectrometer for the VHF range

Scharfetter, H., Bödenler, M. & Narnhofer, D., 1 Jan 2018, In : Journal of magnetic resonance. 286, p. 148-157

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Aspects of structural order in 209Bi-containing particles for potential MRI contrast agents based on quadrupole enhanced relaxation

Scharfetter, H., Gösweiner, C., Krassnig, P. J., Sampl, C., Thonhofer, M., Fischer, R., Spirk, S., Kargl, R., Stana-Kleinschek, K., Umut, E. & Kruk, D., 22 Aug 2018, In : Molecular physics. 2018, 117, p. 935-943 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Comparison of fast field-cycling magnetic resonance imaging methods and future perspectives

Bödenler, M., de Rochefort, L., Ross, P. J., Chanet, N., Guillot, G., Davies, G. R., Gösweiner, C., Scharfetter, H., Lurie, D. J. & Broche, L. M., 2018, In : Molecular physics. 2018, 117, p. 832-848

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Detection and elimination of signal errors due to unintentional movements in biomedical magnetic induction tomography spectroscopy (MITS)

Issa, S. & Scharfetter, H., 28 Dec 2018, In : Journal of Electrical Bioimpedance. 9, 1, p. 163-175 13 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Computer-Assisted Image Processing
Electromagnetic induction
Artifacts
Tomography
Spectrum Analysis

High Field FFC-MRI: System Validation with Iron Oxide Magnetic Nanoparticles

Bödenler, M., Basini, M., Casula, M. F., Umut, E. & Scharfetter, H., 2018, p. 68 - 75.

Research output: Contribution to conferenceAbstractResearchpeer-review

Implementation and validation of delta relaxation enhanced MRI at 3T: A facility for quadrupole enhanced relaxation imaging

Bödenler, M., Basini, M., Casula, M. F., Umut, E., Kruk, D. & Scharfetter, H., 2018.

Research output: Contribution to conferenceAbstractResearchpeer-review

Model – free approach to quadrupole spin relaxation in solid 209Bi-aryl compounds

Kruk, D., Gösweiner, C., Masiewicz, E., Umut, E., Sampl, C. & Scharfetter, H., 4 Sep 2018, In : Physical Chemistry Chemical Physics. 20, 36, p. 23414-23423 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

NEUARTIGE VERBINDUNGEN ZUR VERWENDUNG ALS KONTRASTMITTEL IN MAGNETRESONANZBILDGEBUNG

Petrovic, A., Spirk, S., Scharfetter, H., Fischer, R. & Kruk, D., 14 Mar 2018, IPC No. A61K 49/ 18 A I, Patent No. EP3292876, Priority date 12 Sep 2016, Priority No. EP20160188270

Research output: PatentResearch

inventions
magnetic resonance
bismuth
quadrupoles
nuclei

Predicting quadrupole relaxation enhancement peaks in proton R 1 -NMRD profiles in solid Bi-aryl compounds from NQR parameters

Gösweiner, C., Kruk, D., Masiewicz, E., Bödenler, M. & Scharfetter, H., 10 Sep 2018, In : Molecular physics. 2018, 117, p. 910-920

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Quadrupolar relaxation enhancement in selected Bismuth-Aryl compounds: Promising precursors for novel T1 MRI contrast agents

Scharfetter, H., Gösweiner, C., Umut, E., Sampl, C., Fischer, R., Spirk, S., Petrovic, A. & Kruk, D., Jun 2018.

Research output: Contribution to conferencePosterResearchpeer-review

Quadrupole enhanced proton relaxation: Proof of principle for a novel extrinsic MRI contrast mechanism

Scharfetter, H., Jul 2018, Abstracts of the EUROMAR 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Quadrupole relaxation enhancement and polarisation transfer in DMSO solution of [Bi(NO3)3(H2O)3]*18-crown-6 in solid state

Kruk, D., Masiewicz, E., Umut, E., Schlögl, M., Fischer, R. & Scharfetter, H., 11 Dec 2018, In : Molecular physics. 2018, 117, p. 944 - 951

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Dimethyl Sulfoxide
Spin-lattice relaxation
quadrupoles
Polarization
solid state

R1 dispersion contrast at high field with fast field-cycling MRI

Bödenler, M., Basini, M., Casula, M. F., Umut, E., Gösweiner, C., Petrovic, A., Kruk, D. & Scharfetter, H., 1 May 2018, In : Journal of magnetic resonance. 290, p. 68-75 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Magnetic resonance imaging
Contrast Media
cycles
Nanoparticles
field strength

Relaxation enhancement in selected Bismuth-Aryl compounds: Promising precursors for novel T1 MRI contrast agents

Scharfetter, H., Gösweiner, C., Umut, E., Sampl, C., Fischer, R., Spirk, S., Petrovic, A. & Kruk, D., Jun 2018, Proc. Intl. Soc. Mag. Reson. Med. 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Tuning Nuclear Quadrupole Resonance: A Novel Approach for the Design of Frequency-Selective MRI Contrast Agents

Gösweiner, C., Lantto, P., Fischer, R., Sampl, C., Umut, E., Westlund, P-O., Kruk, D., Bödenler, M., Spirk, S., Petrovič, A. & Scharfetter, H., 25 Jun 2018, In : Physical review / X . 8, 2, 20 p., 021076.

Research output: Contribution to journalArticleResearchpeer-review

2017

Assessment of skin permeability to topically applied drugs by skin impedance and admittance

Schwingenschuh, S., Scharfetter, H., Martinsen, O. G., Boulgaropoulos, B., Augustin, T., Tiffner, K. I., Dragatin, C., Raml, R., Hoefferer, C., Prandl, E. C., Sinner, F. & Hajnsek, M., 1 Nov 2017, In : Physiological measurement. 38, 11, p. N138-N150

Research output: Contribution to journalArticleResearchpeer-review

Electric Impedance
Permeability
Skin
Pharmaceutical Preparations
Pharmacodynamics

Contrast by quadrupole enhanced relaxation (CONQUER): A concept for novel smart MRI contrast agents

Scharfetter, H., 13 Feb 2017, Abstracts of the 1st workshop of the COST action CA15209 EURELAX.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Extrinsic MRI Contrast Agents Based on Nuclear Quadrupole Enhanced Relaxation: Principle, Requirements and Characterization of Promising Compounds

Gösweiner, C., Kruk, D., Westlund, P-O., Fischer, R., Schlögl, M., Bödenler, M., Petrovic, A., Spirk, S. & Scharfetter, H., 2017.

Research output: Contribution to conferencePosterResearchpeer-review

High Field FFC-MRI - A First System for 3T

Bödenler, M. & Scharfetter, H., 2017.

Research output: Contribution to conferenceAbstractResearchpeer-review

High Field FFC-MRI - A System for 3T: Initial Experience

Bödenler, M. & Scharfetter, H., 2017.

Research output: Contribution to conferenceAbstractResearch

High Field FFC-MRI with Citrate-Coated GdF3 Nanoparticles: Preliminary Results at 3T

Bödenler, M., Botta, M. & Scharfetter, H., 2017.

Research output: Contribution to conferenceAbstractResearchpeer-review

Messvorrichtung zur breitbandigen Anregung und Erfassung von NQR- und/oder NMR-Spektrographie-Signalen

Hermann, S., 15 Feb 2017, IPC No. G01R 33/ 36 A I, Patent No. AT517551, Priority date 30 Jul 2015, Priority No. AT20150050682

Research output: PatentResearch

2016

An electronically tuned wideband probehead for NQR spectroscopy in the VHF range

Scharfetter, H., 2016, In : Journal of magnetic resonance. 271, p. 90-98

Research output: Contribution to journalArticleResearchpeer-review

Novel Compounds for Use as Contrast Agents in Magnetic Resonance Imaging

Scharfetter, H., Petrovic, A., Spirk, S., Fischer, R. & Kruk, D., 12 Sep 2016, (Submitted) Priority date 12 Sep 2016, Priority No. P14527eu

Research output: PatentResearch

Novel smart MRI contrast agents based on nuclear quadrupole cross relaxation – pre-selection of promising compounds

Gösweiner, C., Fischer, R., Schlögl, M., Kruk, D., Petrovic, A., Spirk, S. & Scharfetter, H., 2016, ESMRMB 2016 Congress: Book of Abstracts Saturday. Berlin Heidelberg: Springer Berlin, p. 371 372 p. 400. (Magnetic Resonance Materials in Physics, Biology and Medicine; vol. 29).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Steirer des Tages: 2,5 Millionen Euro für steirische Forscher

Scharfetter, H., 2015, Kleine Zeitung / Stadtausgabe.

Research output: Contribution to specialist publicationArticleResearch

2014

A no-tune no-match wideband probe for nuclear quadrupole resonance spectroscopy in the VHF frequency range

Scharfetter, H., Petrovic, A., Eggenhofer, H. & Stollberger, R., 2014, In : Measurement science & technology. 25, p. 125501-1255011

Research output: Contribution to journalArticleResearchpeer-review

2013

Skin impedance measurements support ex-vivo penetration studies for topical applied drugs

Schwingenschuh, S., Hajnsek, M., Scharfetter, H., Martinsen, O., Tiffner, K., Dragatin, C., Raml, R., Mautner, A., Bodenlenz, M. & Sinner, F., 2013, Biomedical Engineering/Biomedizinische Technik. de Gruyter, p. elektr-elektr

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Topological sensitivity analysis in fluorescence optical tomography

Laurain, A., Hintermüller, M., Freiberger, M. & Scharfetter, H., 2013, In : Inverse problems. 29, p. 1-30

Research output: Contribution to journalArticleResearchpeer-review

Wideband Probe for Magnetic Quadrupole Resonance Spectroscopy

Scharfetter, H., Petrovic, A. & Stollberger, R., 2013, Biomedical Engineering/Biomedizinische Technik. de Gruyter, p. elektr-elektr

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Wideband Probe for Magnetic Quadrupole Resonance Spectroscopy

Scharfetter, H., Petrovic, A. & Stollberger, R., 2013, Biomedizinische Technik 58 (Suppl. 1). ., p. ---

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2012

3D optical imaging of fluorescent agents in biological tissue

Freiberger, M. & Scharfetter, H., 2012, Molecular Imaging. 1 ed. Rijeka: InTech, p. 117-144

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

A deterministic approach to the adapted optode placement for illumination of highly scattering tissue

Brunner, P., Clason, C., Freiberger, M. & Scharfetter, H., 2012, In : Biomedical Optics Express. 3, 7, p. 1732-1743

Research output: Contribution to journalArticleResearchpeer-review

Method and Apparatus for Magnetic Induction Tomography

Scharfetter, H., 29 Feb 2012, Patent No. CN 101517436 A

Research output: PatentResearch

The AGILE library for image reconstruction in biomedical sciences using graphics card hardware acceleration

Freiberger, M., Knoll, F., Bredies, K., Scharfetter, H. & Stollberger, R., 2012, In : Computing in science & engineering. 15, 1, p. 34-44

Research output: Contribution to journalArticleResearchpeer-review

2011

Augmenting information content through multimodal impedance imaging

Gürsoy, D., Maimaitijiang, Y. & Scharfetter, H., 2011, (Accepted/In press) Conference on Biomedical Applications of Electrical Impedance Tomography. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Enhancing impedance imaging through multimodal tomography

Gürsoy, D., Mamatjan, Y., Adler, A. & Scharfetter, H., Nov 2011, In : IEEE transactions on biomedical engineering. 58, 11, p. 3215-24 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Tomography
Imaging techniques
Acoustic impedance
Electromagnetic induction
Electrodes

Enhancing impedance imaging through multi-modal tomography

Gürsoy, D., Maimaitijiang, Y., Adler, A. & Scharfetter, H., 2011, In : IEEE transactions on biomedical engineering. 58, 11, p. 3215-3224

Research output: Contribution to journalArticleResearchpeer-review

High-performance image reconstruction in fluorescence tomography on desktop computers and graphics hardware

Freiberger, M., Egger, H., Liebmann, M. & Scharfetter, H., 1 Jan 2011, In : Biomedical Optics Express. 2, 11, p. 3207-3222 16 p.

Research output: Contribution to journalArticleResearchpeer-review

Optical Tomography
Computer Graphics
Computer-Assisted Image Processing
image reconstruction
hardware

Imaging artifacts in magnetic induction tomography caused by the structural incorrectness of the sensor model

Gürsoy, D. & Scharfetter, H., 2011, In : Measurement science & technology. 22, 1

Research output: Contribution to journalArticleResearchpeer-review

Lumineszenz-Sondierung in stark streuenden Objekten mittels ionisierender Strahlung

Scharfetter, H., Freiberger, M. & Guersoy, D., 23 Nov 2011, IPC No. G03B 42/ 08 A I, Patent No. EP2387940, Priority date 28 Oct 2010, Priority No. EP20100450165

Research output: PatentResearch

inventions
ionizing radiation
photometers
luminescence
scattering