Johann Karl

2.0k citations

21 papers · 1.5k indexed · 1 hit paper · h-index 14

Co-authors: Werner Zolg Eric Kuhn Hua Liao Jiang Wu Tobias Bittner Wolfgang Rollinger Michael Tacke Herbert Andres
Topics: Advanced Proteomics Techniques and Applications (5 papers)Alzheimer's disease research and treatments (5 papers)Dementia and Cognitive Impairment Research (4 papers)
Cited by: Spectroscopy Psychiatry and Mental health Physiology
Journals: Clinical Cancer Research Medicine & Science in Sports & Exercise Molecular & Cellular Proteomics
Partner nations: Germany Switzerland United States

In The Last Decade

Johann Karl

20 papers receiving 1.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Performance of Fully Automated Plasma Assays as Screening Tests for Alzheimer Disease–Related β-Amyloid Status

2019 299 citations Sebastian Palmqvist, Shorena Janelidze et al. JAMA Neurology profile →

Peers

Countries citing papers authored by Johann Karl

Since Specialization

Citations

This map shows the geographic impact of Johann Karl's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Johann Karl with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Johann Karl more than expected).

Fields of papers citing papers by Johann Karl

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Johann Karl. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Johann Karl. The network helps show where Johann Karl may publish in the future.

Co-authorship network of co-authors of Johann Karl

This figure shows the co-authorship network connecting the top 25 collaborators of Johann Karl. A scholar is included among the top collaborators of Johann Karl based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Johann Karl. Johann Karl is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Preanalytical sample handling recommendations for Alzheimer's disease plasma biomarkers 2019 ·Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring ·Małgorzata Rózga,Tobias Bittner,Richard Batrla,Johann Karl	70
2	Investigation on core-fucosylated prostate-specific antigen as a refined biomarker for differentiation of benign prostate hyperplasia and prostate cancer of different aggressiveness 2019 ·Tumor Biology ·(unknown),Vinzent Rolny,Andreas Leinenbach,Johann Karl,Magdalena Lange,Uwe Kobold,Mark Schrader,Hans Krause,Markus Mueller,Michael Vogeser	12
3	Performance of Fully Automated Plasma Assays as Screening Tests for Alzheimer Disease–Related β-Amyloid Statusbreakdown → 2019 ·JAMA Neurology ·Sebastian Palmqvist,Shorena Janelidze,Erik Stomrud,Henrik Zetterberg,Johann Karl,Katharina Zink,Tobias Bittner,Niklas Mattsson,Udo Eichenlaub,Kaj Blennow,Oskar Hansson	299
4	An endoglycosidase-assisted LC-MS/MS-based strategy for the analysis of site-specific core-fucosylation of low-concentrated glycoproteins in human serum using prostate-specific antigen (PSA) as example 2018 ·Clinica Chimica Acta ·(unknown),Andreas Leinenbach,Johann Karl,(unknown),Uwe Kobold,Michael Vogeser	18
5	P1‐272: TECHNICAL VALIDATION AND MULTICENTER EVALUATION OF THE ELECSYS^® β‐AMYLOID 1–40 (ABETA40) PROTOTYPE IMMUNOASSAY FOR QUANTITATION OF ABETA40 IN CEREBROSPINAL FLUID (CSF) 2018 ·Alzheimer s & Dementia ·Andreas G. Franke,(unknown),Katharina Zink,Lars Hillringhaus,(unknown),(unknown),Johann Karl	1
6	DT‐02‐04: DETECTING BRAIN AMYLOID STATUS USING FULLY AUTOMATED PLASMA Aβ BIOMARKER ASSAYS 2018 ·Alzheimer s & Dementia ·Sebastian Palmqvist,Shorena Janelidze,Erik Stomrud,Henrik Zetterberg,Johann Karl,Niklas Mattsson,Kaj Blennow,Udo Eichenlaub,Oskar Hansson	1
7	Cardiovascular and thermal strain during 3–4 days of a metabolically demanding cold-weather military operation 2017 ·PubMed ·John W. Castellani,(unknown),Anthony J. Karis,Svein Martini,Andrew Young,Lee M. Margolis,Johann Karl,Nancy E. Murphy,Xiaojiang Xu,Scott J. Montain,(unknown),(unknown),(unknown),Yngvar Gundersen,Stefan M. Pasiakos	13
8	A Combination of Serum Markers for the Early Detection of Colorectal Cancer 2010 ·Clinical Cancer Research ·Norbert Wild,Herbert Andres,Wolfgang Rollinger,Friedemann Krause,Peter Dilba,Michael Tacke,Johann Karl	114
9	Tau-Proteins as Gender-Specific State Markers in Amnestic Mild Cognitive Impairment 2010 ·Dementia and Geriatric Cognitive Disorders ·Matthias W. Riepe,Johann Karl,Hayrettin Tumani,Christine A. F. Von Arnim	11
10	From Research to Clinical Application Multi-Parameter Testing: Marker Panels for the Early Detection of Complex Diseases 2009 ·Journal of Medical Biochemistry ·Norbert Wild,Johann Karl,(unknown)	1
11	Improved Diagnosis of Colorectal Cancer Using a Combination of Fecal Occult Blood and Novel Fecal Protein Markers 2008 ·Clinical Gastroenterology and Hepatology ·Johann Karl,Norbert Wild,Michael Tacke,Herbert Andres,Ursula Garczarek,Wolfgang Rollinger,Werner Zolg	54
12	Diagnosis of rheumatoid arthritis: multivariate analysis of biomarkers 2008 ·Biomarkers ·Norbert Wild,Johann Karl,Veit Peter Grunert,(unknown),Ursula Garczarek,Friedemann Krause,F Hasler,Piet L. C. M. van Riel,Péter Bayer,(unknown),Derek L. Mattey,Mohammed Sharif,Werner Zolg	19
13	Towards a comprehensive proteome of normal and malignant human colon tissue by 2‐D‐LC‐ESI‐MS and 2‐DE proteomics and identification of S100A12 as potential cancer biomarker 2007 ·PROTEOMICS - CLINICAL APPLICATIONS ·(unknown),Marie‐Luise Hagmann,Michael Pfeffer,(unknown),Norbert Wild,Markus Roeßler,Stefan Palme,Johann Karl,Heinz Bodenmüller,Josef Rüschoff,S. Rossol,G. Rohr,Wolfgang Rösch,Helmut Friess,Axel Eickhoff,Karl‐Walter Jauch,Hanno Langen,Werner Zolg,Michael Tacke	32
14	Identification of PSME3 as a Novel Serum Tumor Marker for Colorectal Cancer by Combining Two-dimensional Polyacrylamide Gel Electrophoresis with a Strictly Mass Spectrometry-based Approach for Data Analysis 2006 ·Molecular & Cellular Proteomics ·Markus Roeßler,Wolfgang Rollinger,(unknown),Marie‐Luise Hagmann,Stefan Palme,Peter Berndt,Alfred M. Engel,Michael Pfeffer,Johann Karl,Heinz Bodenmüller,Josef Rüschoff,Thomas Henkel,G. Rohr,S. Rossol,Wolfgang Rösch,Hanno Langen,Werner Zolg,Michael Tacke	117
15	A High Protein Diet Exacerbates the Adverse Effects of an Energy Deficit on Mood State 2006 ·Medicine & Science in Sports & Exercise ·Tracey J. Smith,Harris R. Lieberman,Johann Karl,Susan M. McGraw,Matthew A. Pikosky,Ellen L. Glickman,(unknown),Andrew Young	0
16	Identification of Nicotinamide N -Methyltransferase as a Novel Serum Tumor Marker for Colorectal Cancer 2005 ·Clinical Cancer Research ·Markus Roeßler,Wolfgang Rollinger,Stefan Palme,Marie‐Luise Hagmann,Peter Berndt,Alfred M. Engel,Bernd Schneidinger,Michael Pfeffer,Herbert Andres,Johann Karl,Heinz Bodenmüller,Josef Rüschoff,Thomas Henkel,G. Rohr,S. Rossol,Wolfgang Rösch,Hanno Langen,Werner Zolg,Michael Tacke	160
17	Identification of Novel Biomarker Candidates by Differential Peptidomics Analysis of Cerebrospinal Fluid in Alzheimers Disease 2005 ·Combinatorial Chemistry & High Throughput Screening ·Hartmut Selle,Jens Lamerz,Katharina Büerger,(unknown),Klaus Häger,Harald Hampel,Johann Karl,Markus Kellmann,Lars Lannfelt,Jukka Louhija,Matthias W. Riepe,Wolfgang Rollinger,Hayrettin Tumani,Michael Schrader,Hans‐Dieter Zucht	57
18	Quantification of C‐reactive protein in the serum of patients with rheumatoid arthritis using multiple reaction monitoring mass spectrometry and ¹³C‐labeled peptide standards 2004 ·PROTEOMICS ·Eric Kuhn,Jiang Wu,Johann Karl,Hua Liao,Werner Zolg,(unknown)	329
19	Use of mass spectrometry to identify protein biomarkers of disease severity in the synovial fluid and serum of patients with rheumatoid arthritis 2004 ·Arthritis & Rheumatism ·Hua Liao,Jiang Wu,Eric Kuhn,(unknown),Betty Chang,Michael D. Jones,(unknown),Karl R. Clauser,Johann Karl,F Hasler,Ronenn Roubenoff,Werner Zolg,(unknown)	211
20	A simple turbidimetric assay designed for the routine screening as well as therapeutic monitoring of native LDL particles 2001 ·Clinica Chimica Acta ·(unknown),(unknown),Johann Karl,W.D. Engel,(unknown),Karl‐Siegfried Boos,D. Seidel	1

About Johann Karl

Johann Karl is a scholar working on Physiology, Spectroscopy and Psychiatry and Mental health, having authored 21 papers that have together received 1.5k indexed citations. Recurring topics across this work include Advanced Proteomics Techniques and Applications (5 papers), Alzheimer's disease research and treatments (5 papers) and Dementia and Cognitive Impairment Research (4 papers). The work is most often cited by research in Spectroscopy (423 citations), Psychiatry and Mental health (270 citations) and Physiology (351 citations). Johann Karl has collaborated with scholars based in Germany, Switzerland and United States. Frequent co-authors include Werner Zolg, Eric Kuhn, Hua Liao, Jiang Wu, Tobias Bittner, Wolfgang Rollinger, Michael Tacke, Herbert Andres, Niklas Mattsson and Oskar Hansson. Their work appears in journals such as Clinical Cancer Research, Medicine & Science in Sports & Exercise and Molecular & Cellular Proteomics.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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