Jana H. Börner
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View article: Effect of microvariability on electrical rock properties
Effect of microvariability on electrical rock properties Open
SUMMARY In petrophysics, physical rock properties are typically established through laboratory measurements of individual samples. These measurements predominantly relate to the specific sample and can be challenging to associate with the …
View article: 25P Change in splenic volume as a surrogate marker for immunotherapy response in patients with advanced urothelial and renal cell carcinoma: Evaluation of a novel approach of fully automated artificial intelligence based splenic segmentation
25P Change in splenic volume as a surrogate marker for immunotherapy response in patients with advanced urothelial and renal cell carcinoma: Evaluation of a novel approach of fully automated artificial intelligence based splenic segmentation Open
In the treatment of advanced urothelial (aUC) and renal cell carcinoma (aRCC), biomarkers such as PD-1 and PD-L1 are not robust prognostic markers for immunotherapy (IO) response. Previously, a significant association between IO and a chan…
View article: Impact of primary resistance to front-line targeted therapy in metastatic renal cell carcinoma on subsequent immune-checkpoint-inhibition
Impact of primary resistance to front-line targeted therapy in metastatic renal cell carcinoma on subsequent immune-checkpoint-inhibition Open
Introduction Synergistic effects have been discussed for tyrosine kinase (TKI) and immune checkpoint inhibitors (ICI). Primary resistance to TKI might disturb subsequent ICI effectiveness. The objective was to investigate, if primary resis…
View article: Sulphur and carbon signatures of metamorphic processes in the Nepal Himalayas
Sulphur and carbon signatures of metamorphic processes in the Nepal Himalayas Open
<p>The Nepal Himalayas result from the India-Eurasia collision and the actual shortening is accommodated by a detachment ramp, the Main Himalayan Thrust (MHT). Separating high-grade metamorphic rocks from the Greater Himalayan Sequen…
View article: Retrieving electrical and structural carbonate formation properties from measurements on crushed rock using a multidata inversion approach
Retrieving electrical and structural carbonate formation properties from measurements on crushed rock using a multidata inversion approach Open
SUMMARY Quantification understanding, and prediction of physical rock properties rely so far predominantly on laboratory analyses of cores and plugs. Based on such data, petrophysical models are found that relate both microstructural prope…
View article: Petrophysical study of different rock types from the mining area of Freiberg, Germany
Petrophysical study of different rock types from the mining area of Freiberg, Germany Open
<p>The ore mining area of Freiberg is located in the federal state of Saxony in the east part of Germany and is characterized by hydrothermal ore mineralization.</p><p>The present petrophysical study concentrates on three…
View article: Anisotropic complex electrical conductivity of black shale and mudstone from the Moffat Shale Group (Ireland)
Anisotropic complex electrical conductivity of black shale and mudstone from the Moffat Shale Group (Ireland) Open
The geological setting in the north of Ireland, especially concerning the origin of the Moffat Shale Group, has long been under discussion. Within the Tellus Programme of the Geological Survey Ireland, airborne electromagnetic measurements…
View article: Anomalous Complex Electrical Conductivity of a Graphitic Black Schist From the Himalayas of Central Nepal
Anomalous Complex Electrical Conductivity of a Graphitic Black Schist From the Himalayas of Central Nepal Open
We analyzed in the laboratory the frequency‐dependent, complex‐valued, electrical conductivity of a graphitic black schist and an augen gneiss, both collected in the Main Central Thrust shear zone in the Himalayas of central Nepal, which w…
View article: Electrical phenomena during CO2–rock interaction under reservoir conditions : experimental investigations and their implications for electromagnetic monitoring applications
Electrical phenomena during CO2–rock interaction under reservoir conditions : experimental investigations and their implications for electromagnetic monitoring applications Open
Geophysical methods are essential for exploration and monitoring of subsurface formations, e.g. in carbon dioxide sequestration or enhanced geothermal energy. One of the keys to their successful application is the knowledge of how the meas…
View article: The electrical conductivity of CO<sub>2</sub>-bearing pore waters at elevated pressure and temperature: a laboratory study and its implications in CO<sub>2</sub>storage monitoring and leakage detection
The electrical conductivity of CO<sub>2</sub>-bearing pore waters at elevated pressure and temperature: a laboratory study and its implications in CO<sub>2</sub>storage monitoring and leakage detection Open
The electrical rock conductivity is a sensitive indicator for carbon dioxide (CO2) injection and migration processes. For a reliable balancing of the free CO2 in pore space with petrophysical models such as Archie's law or for the detectio…