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Convergence of Restricted Additive Schwarz with impedance transmission conditions for discretised Helmholtz problems
The Restricted Additive Schwarz method with impedance transmission conditions, also known as the Optimised Restricted Additive Schwarz (ORAS) method, is a simple overlapping one-level parallel domain decomposition method...
The usefulness of C-reactive protein in predicting malaria parasitemia in a sub-Saharan African region.
Bismark Osei Sarfo, Andreas Hahn, Norbert Georg Schwarz, Anna Jaeger, Nimako Sarpong, Florian Marks, Yaw Adu-Sarkodie, Thalea Tamminga, Juergen May
Feb 19, 2019
BACKGROUND: Malaria remains a leading cause of childhood mortality in sub-Saharan Africa. Identifying patients who are at risk for severe manifestations at presentation still remains challenging. This study examines whether a...
Convergence of Restricted Additive Schwarz with impedance transmission conditions for discretised Helmholtz problems
The Restricted Additive Schwarz method with impedance transmission conditions, also known as the Optimised Restricted Additive Schwarz (ORAS) method, is a simple overlapping one-level parallel domain decomposition method...
16S rRNA Gene Sequence-Based Identification of Bacteria in Automatically Incubated Blood Culture Materials from Tropical Sub-Saharan Africa.
Hagen Frickmann, Denise Dekker, Norbert Georg Schwarz, Andreas Hahn, Kennedy Boahen, Nimako Sarpong, Yaw Adu-Sarkodie, Eva Halbgewachs, Florian Marks, Vera von Kalckreuth, Sven Poppert, Ulrike Loderstaedt, Jürgen May, Ralf Matthias Hagen
Feb 20, 2019
BACKGROUND: The quality of microbiological diagnostic procedures depends on pre-analytic conditions. We compared the results of 16S rRNA gene PCR and sequencing from automatically incubated blood culture materials from tropical...
Incidence and characteristics of bacteremia among children in rural Ghana.
Maja Verena Nielsen, Nimako Sarpong, Ralf Krumkamp, Denise Dekker, Wibke Loag, Solomon Amemasor, Alex Agyekum, Florian Marks, Frank Huenger, Anne Caroline Krefis, Ralf Matthias Hagen, Yaw Adu-Sarkodie, Jürgen May, Norbert Georg Schwarz
Feb 20, 2019
The objective of the study was to describe systemic bacterial infections occurring in acutely ill and hospitalized children in a rural region in Ghana, regarding frequency, incidence, antimicrobial susceptibility patterns and...
The Role of Georg Friedrich von Johnssen in the Emergence of the Unknown Superiors, 1763–64
Andrew McKenzie-McHarg
May 03, 2018
This article seeks to clarify the role played by the alchemist Georg
Friedrich Johnssen (c.1726-1775) in the emergence of the notion
that Freemasonry and other secret societies in the second half of
the eighteenth-century were...
Characterization of Salmonella enterica from invasive bloodstream infections and water sources in rural Ghana.
Denise Dekker, Ralf Krumkamp, Daniel Eibach, Nimako Sarpong, Kennedy Gyau Boahen, Michael Frimpong, Elina Fechtner, Sven Poppert, Ralf Matthias Hagen, Norbert Georg Schwarz, Yaw Adu-Sarkodie, Ellis Owusu-Dabo, Justin Im, Florian Marks, Hagen Frickmann, Jürgen May
Sep 05, 2018
BACKGROUND: Non-typhoidal Salmonella (NTS) cause the majority of bloodstream infections in Ghana, however the mode of transmission and source of invasive NTS in Africa are poorly understood. This study compares NTS from water...
invasive non-typhoidal Salmonella transmission reservoir water sources ampicillin Anti-Bacterial Agents Bacteremia Child Drinking Water Drug Resistance Multiple Bacterial Ghana Humans Microbial Sensitivity Tests Rural Health Rural Population Salmonella Infections Salmonella enterica Trimethoprim Sulfamethoxazole Drug Combination Water Microbiology
Molecular Evidence for Flea-Borne Rickettsiosis in Febrile Patients from Madagascar.
Christian Keller, Raphaël Rakotozandrindrainy, Vera von Kalckreuth, Jean Noël Heriniaina, Norbert Georg Schwarz, Gi Deok Pak, Justin Im, Ligia Maria Cruz Espinoza, Ralf Matthias Hagen, Hagen Frickmann, Jean Philibert Rakotondrainiarivelo, Tsiry Razafindrabe, Denise Dekker, Jürgen May, Sven Poppert, Florian Marks
Nov 22, 2021
Rickettsiae may cause febrile infections in humans in tropical and subtropical regions. From Madagascar, no molecular data on the role of rickettsioses in febrile patients are available. Blood samples from patients presenting...
Emphysema Is-at the Most-Only a Mild Phenotype in the Sugen/Hypoxia Rat Model of Pulmonary Arterial Hypertension.
Harm J Bogaard, Ekaterina Legchenko, Ketul R Chaudhary, Xiao-Qing Sun, Duncan J Stewart, Georg Hansmann
Nov 20, 2019
Translational research is essential to develop strategies for the treatment of pulmonary arterial hypertension (PAH) using animal models which reproduce the severity, the progressive nature and resistance to...
Molecular Evidence for Flea-Borne Rickettsiosis in Febrile Patients from Madagascar.
Christian Keller, Raphaël Rakotozandrindrainy, Vera von Kalckreuth, Jean Noël Heriniaina, Norbert Georg Schwarz, Gi Deok Pak, Justin Im, Ligia Maria Cruz Espinoza, Ralf Matthias Hagen, Hagen Frickmann, Jean Philibert Rakotondrainiarivelo, Tsiry Razafindrabe, Denise Dekker, Jürgen May, Sven Poppert, Florian Marks
Jan 07, 2022
Rickettsiae may cause febrile infections in humans in tropical and subtropical regions. From Madagascar, no molecular data on the role of rickettsioses in febrile patients are available. Blood samples from patients presenting...
The Reality and Power of International Law
Carmen Chas Bartolome
Apr 06, 2024
Georg Schwarzenberger’s oeuvre has remained significantly underexplored in International Relations literature despite his status as one of the most important thinkers in International Relations and international law of the...
The Reality and Power of International Law
Carmen Chas Bartolome
Apr 06, 2024
Georg Schwarzenberger’s oeuvre has remained significantly underexplored in International Relations literature despite his status as one of the most important thinkers in International Relations and international law of the...
Are brucellosis, Q fever and melioidosis potential causes of febrile illness in Madagascar?
Ides Boone, Klaus Henning, Angela Hilbert, Heinrich Neubauer, Vera von Kalckreuth, Denise Myriam Dekker, Norbert Georg Schwarz, Gi Deok Pak, Andreas Krüger, Ralf Matthias Hagen, Hagen Frickmann, Jean Noël Heriniaina, Raphael Rakotozandrindrainy, Jean Philibert Rakotondrainiarivelo, Tsiry Razafindrabe, Benedikt Hogan, Jürgen May, Florian Marks, Sven Poppert, Sascha Al Dahouk
Feb 19, 2019
Brucellosis, Q fever and melioidosis are zoonoses, which can lead to pyrexia. These diseases are often under-ascertained and underreported because of their unspecific clinical signs and symptoms, insufficient awareness by...
4D perfusion CT of prostate cancer for image-guided radiotherapy planning
Lucian Beer, Stephan H Polanec, Pascal AT Baltzer, Georg Schatzl, Dietmar Georg, Christian Schestak, Anja Dutschke, Harald Herrmann, Peter Mazal, Alexander K Brendel, Shahrokh F Shariat, Helmut Ringl, Thomas H Helbich, Paul Apfaltrer
Feb 03, 2020
PURPOSE: Advanced forms of prostate cancer (PCa) radiotherapy with either external beam therapy or brachytherapy delivery techniques aim for a focal boost and thus require accurate lesion localization and lesion segmentation for...
Aged Biopsy Large-Core Needle Contrast Media Diffusion Magnetic Resonance Imaging Feasibility Studies Four-Dimensional Computed Tomography Humans Image-guided biopsy Male Middle Aged Neoplasm Grading Perfusion Imaging Proof of Concept Study Prospective Studies Prostate Prostatic Neoplasms Radiation Dosage Radiotherapy Planning Computer-Assisted Radiotherapy Image-Guided
The Meaningfulness of Knowledge for the Design of Sustainable AI
A growing number of business processes can be characterized as knowledge-intensive. The ability to speed up the necessary transfer of knowledge between individuals in business processes can lead to a huge competitive advantage...
Published by: IGI Global Scientific Publishing
Ex epistulis Philippinensibus
S Kroupa
May 03, 2017
When sent as a pharmacist to the Philippines in 1688, the Bohemian Jesuit Georg Joseph Kamel turned to the local nature to identify resources, which he could use in his practice. Remarkably for a Jesuit of his low rank, Kamel...
Typhoid fever among children, Ghana.
Florian Marks, Yaw Adu-Sarkodie, Frank Hünger, Nimako Sarpong, Samuel Ekuban, Alex Agyekum, Bernard Nkrumah, Norbert G Schwarz, Michael O Favorov, Christian G Meyer, Jürgen May
Aug 01, 2019
Typhoid fever
(TF) remains a problem of concern in
many low-income countries. Salmonella enterica serovar Typhi causes
≈22,000,000 symptomatic infections
and 220,000 fatalities worldwide annually (1). However, the effect...
Antibiotic resistance and clonal diversity of invasive Staphylococcus aureus in the rural Ashanti Region, Ghana.
Denise Dekker, Manuel Wolters, Eva Mertens, Kennedy Gyau Boahen, Ralf Krumkamp, Daniel Eibach, Norbert G Schwarz, Yaw Adu-Sarkodie, Holger Rohde, Martin Christner, Florian Marks, Nimako Sarpong, Jürgen May
Feb 19, 2019
BACKGROUND: Staphylococcus aureus is among the most common pathogens isolated from blood cultures in Ghana; yet the epidemiology of blood infections in rural settings is poorly described. This study aims to investigate...
antibiotic resistance Panton-Valentine leukocidin Rural ghana S. aureus Spa typing Adolescent Anti-Bacterial Agents Bacteremia Bacterial Proteins Bacterial Toxins Child Child Preschool Drug Resistance Multiple Bacterial Exotoxins Female genetic variation Ghana Hospitals Humans Infant Infant Newborn Leukocidins Male Methicillin-Resistant Staphylococcus aureus Microbial Sensitivity Tests Multiplex Polymerase Chain Reaction Penicillin-Binding Proteins Rural Population Staphylococcal Infections Staphylococcus aureus
Sharp bounds on Helmholtz impedance-to-impedance maps and application to overlapping domain decomposition
We prove sharp bounds on certain impedance-to-impedance maps (and their compositions) for the Helmholtz equation with large wavenumber (i.e., at high frequency) using semiclassical defect measures. Gong et al. (Numer. Math....
Sarcopenia in Neurological Patients
Ariane Steindl, Johannes Leitner, Matthias Schwarz, Karl-Heinz Nenning, Ulrika Asenbaum, Sophie Mayer, Ramona Woitek, Michael Weber, Veronika Schöpf, Anna S Berghoff, Thomas Berger, Georg Widhalm, Daniela Prayer, Matthias Preusser, Julia Furtner
Jul 16, 2020
Temporal muscle thickness (TMT) was investigated as a novel surrogate marker on MRI examinations of the brain, to detect patients who may be at risk for sarcopenia. TMT was analyzed in a retrospective, normal collective cohort...
Systemic bacteraemia in children presenting with clinical pneumonia and the impact of non-typhoid salmonella (NTS).
Norbert G Schwarz, Nimako Sarpong, Frank Hünger, Florian Marks, Samuel Ek Acquah, Alex Agyekum, Bernard Nkrumah, Wibke Loag, Ralf M Hagen, Jennifer A Evans, Denise Dekker, Julius N Fobil, Christian G Meyer, Jürgen May, Yaw Adu-Sarkodie
Feb 20, 2019
BACKGROUND: The diagnosis and antimicrobial treatment of pneumonia in African children in the absence of diagnostic means such as x-ray facilities or microbiological laboratories relies primarily on clinical symptoms presented...
Sharp bounds on Helmholtz impedance-to-impedance maps and application to overlapping domain decomposition
We prove sharp bounds on certain impedance-to-impedance maps (and their compositions) for the Helmholtz equation with large wavenumber (i.e., at high frequency) using semiclassical defect measures. Gong et al. (Numer. Math....
Impact of dexamethasone on SARS-CoV-2 concentration kinetics and antibody response in hospitalized COVID-19 patients
Barbara Mühlemann, Charlotte Thibeault, David Hillus, Elisa T Helbig, Lena J Lippert, Pinkus Tober-Lau, Tatjana Schwarz, Marcel A Müller, Pa-COVID-19 collaborative study group, Martin Witzenrath, Norbert Suttorp, Leif E Sander, Christian Drosten, Terry C Jones, Victor M Corman, Florian Kurth
Jul 28, 2021
OBJECTIVES: Dexamethasone has become the standard of care for severe coronavirus disease 2019 (COVID-19), but its virological impact is poorly understood. The objectives of this work were to characterize the kinetics of severe...
Antibody COVID-19 Nucleic Acid Testing Coronavirus disease 2019 (COVID-19) Dexamethasone Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Viral concentration Anti-Inflammatory Agents Antibodies Viral covid-19 Dexamethasone Hospitalization Humans Immunoglobulin A Immunoglobulin G Kinetics Prospective Studies RNA Viral Respiratory System SARS-CoV-2 Seroconversion Viral Load COVID-19 Drug Treatment
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