RK
Roland Krämer
q-bio.QMphysics.bio-phBlood CoagulationEnzyme AssaysFactor Xa InhibitorsHeparin RedPlasmaSignal Transduction68Ga3+Analytical methods
On Valency
published · living versionsW_cpfx732f·v1 · currentpublished
PCR-ALERA: A PCR-ELISA analogue but antibody-free DNA detection system
with Miles Bonenberger
1 version
Preprints & journals
80 papers in the corpus · 1998–2022The Relevance of Anti-PF4 Antibody Isotypes and Endogenous Glycosaminoglycans and their Relationship with Inflammatory Biomarkers in Pulmonary Embolism Patients.35360982 · Kantarcioglu, Bulent, Darki, Amir, Siddiqui, Fakiha et al.2022 · 4 citationsClinical and applied thrombosis/hemostasis : official journal of the International Academy of Clinical and Applied Thrombosis/Hemostasis. 2022;28:10760296221091770
Hybrid Multimodal Imaging Synthons for Chemoselective and Efficient Biomolecule Modification with Chelator and Near-Infrared Fluorescent Cyanine Dye.32948032 · Hübner, Ralph, von Kiedrowski, Valeska, Benkert, Vanessa et al.2020 · 8 citationsPharmaceuticals (Basel, Switzerland). 2020;13(9)
Probing two PESIN-indocyanine-dye-conjugates: significance of the used fluorophore.31967633 · Hübner, Ralph, Benkert, Vanessa, Cheng, Xia et al.2021 · 14 citationsJournal of materials chemistry. B. 2020;8(6):1302-1309
Low-molecular-weight heparin adherence and effects on survival within a randomised phase III lung cancer trial (RASTEN).31326730 · Gezelius, E, Bendahl, P O, Gonçalves de Oliveira, K et al.2020 · 10 citationsEuropean journal of cancer (Oxford, England : 1990). 2019;118:82-90
Quantification of sulfated polysaccharides in urine by the Heparin Red mix-and-read fluorescence assay1811.09115v1 · Ulrich Warttinger, Roland Kramer2018 · 0 citationsarXiv
Quantification of sulfated polysaccharides in mouse and rat plasma by the Heparin Red mix-and-read fluorescence assay1712.06451v1 · Ulrich Warttinger, Christina Giese, Roland Kramer2017 · 2 citationsarXiv
Comparison of Heparin Red, Azure A and Toluidine Blue assays for direct quantification of heparins in human plasma1712.03377v1 · Ulrich Warttinger, Christina Giese, Roland Kramer2017 · 7 citationsarXiv
Accessing Structurally Diverse Near-Infrared Cyanine Dyes for Folate Receptor-Targeted Cancer Cell Staining.28339120 · König, Sandra G, Krämer, Roland2018 · 60 citationsChemistry (Weinheim an der Bergstrasse, Germany). 2017;23(39):9306-9312
A Fluorescent Probe for Glycosaminoglycans Applied to the Detection of Dermatan Sulfate by a Mix-and-Read Assay.28486420 · Rappold, Melissa, Warttinger, Ulrich, Krämer, Roland2018 · 16 citationsMolecules (Basel, Switzerland). 2017;22(5)
Ultrasensitive quantification of dextran sulfate by a mix-and-read fluorescent probe assay1703.08663v1 · Nathalie Groß, Dumitru Arian, Ulrich Warttinger et al.2017 · 2 citationsarXiv
Instant determination of the potential biomarker heparan sulfate in human plasma by a mix-and-read fluorescence assay1702.05288v1 · Ulrich Warttinger, Roland Kramer2017 · 4 citationsarXiv
Quantification of heparin in complex matrices (including urine) using a mix-and-read fluorescence assay1611.02482v1 · Ulrich Warttinger, Roland Kramer2016 · 5 citationsarXiv
A fluorescent probe assay (Heparin Red) for direct detection of heparins in human plasma.27655335 · Warttinger, U, Giese, C, Harenberg, J et al.2018 · 48 citationsAnalytical and bioanalytical chemistry. 2016;408(28):8241-8251
A Chromogenic and Fluorogenic Peptide Substrate for the Highly Sensitive Detection of Proteases in Biological Matrices.27464035 · Arian, Dumitru, Harenberg, Job, Krämer, Roland2017 · 13 citationsJournal of medicinal chemistry. 2016;59(16):7576-83
Direct quantification of brown algae-derived fucoidans in human plasma by a fluorescent probe assay1608.00108v1 · Ulrich Warttinger, Christina Giese, Job Harenberg et al.2016 · 8 citationsarXiv
Zinc(II)-induced control of the internalization of a near-infrared fluorescent probe by live cells.26902388 · König, Sandra G, Öz, Simin, Krämer, Roland2016 · 7 citationsMolecular bioSystems. 2016;12(4):1114-7
Coronene-Containing N-Heteroarenes: 13 Rings in a Row.26808212 · Endres, Alexander H, Schaffroth, Manuel, Paulus, Fabian et al.2016 · 132 citationsJournal of the American Chemical Society. 2016;138(6):1792-5
Measurement of dabigatran, rivaroxaban and apixaban in samples of plasma, serum and urine, under real life conditions. An international study.26167981 · Harenberg, Job, Du, Shanshan, Wehling, Martin et al.2016 · 39 citationsClinical chemistry and laboratory medicine. 2016;54(2):275-83
Determination of dabigatran in plasma, serum, and urine samples: comparison of six methods.25720084 · Du, Shanshan, Weiss, Christel, Christina, Giese et al.2016 · 20 citationsClinical chemistry and laboratory medicine. 2015;53(8):1237-47
Measurement of Non-Vitamin K Antagonist Oral Anticoagulants in Patient Plasma Using Heptest-STAT Coagulation Method.25525760 · Du, Shanshan, Harenberg, Job, Krämer, Sandra et al.2016 · 12 citationsTherapeutic drug monitoring. 2015;37(3):375-80
A polyamine-modified near-infrared fluorescent probe for selective staining of live cancer cells.25820226 · König, Sandra G, Öz, Simin, Krämer, Roland2016 · 19 citationsChemical communications (Cambridge, England). 2015;51(34):7360-3
Patients' serum and urine as easily accessible samples for the measurement of non-vitamin K antagonist oral anticoagulants.25682081 · Harenberg, Job, Du, Shanshan, Krämer, Sandra et al.2015 · 31 citationsSeminars in thrombosis and hemostasis. 2015;41(2):228-36
Chromogenic assays for measurement of rivaroxaban from EDTA anticoagulated plasma samples.25608910 · Du, Shanshan, Krämer, Sandra, Giese, Christina et al.2016 · 3 citationsThrombosis and haemostasis. 2015;113(5):1149-51
Anticoagulation in patients with impaired renal function and with haemodialysis. Anticoagulant effects, efficacy, safety, therapeutic options.25405246 · Harenberg, J, Hentschel, V A-T, Du, S et al.2015 · 16 citationsHamostaseologie. 2015;35(1):77-83
Glycosaminoglycans: anticoagulant and nonanticoagulant actions: a short history of symposia held at villa vigoni.25377320 · Harenberg, Job, Casu, Benito, Krämer, Roland et al.2015 · 7 citationsSeminars in thrombosis and hemostasis. 2014;40(8):831-6
Monitoring hydroquinone-quinone redox cycling by single molecule fluorescence spectroscopy.25105274 · Rybina, A, Thaler, B, Krämer, R et al.2015 · 14 citationsPhysical chemistry chemical physics : PCCP. 2014;16(36):19550-5
Measurement of rivaroxaban and apixaban in serum samples of patients.24931429 · Harenberg, Job, Krämer, Sandra, Du, Shanshan et al.2015 · 26 citationsEuropean journal of clinical investigation. 2014;44(8):743-52
Report of the Subcommittee on Control of Anticoagulation on the determination of the anticoagulant effects of apixaban: communication from the SSC of the ISTH.24597497 · Harenberg, J, Du, S, Weiss, C et al.2015 · 27 citationsJournal of thrombosis and haemostasis : JTH. 2014;12(5):801-4
Concept of a point of care test to detect new oral anticoagulants in urine samples.23915217 · Harenberg, Job, Krämer, Sandra, Du, Shanshan et al.2013 · 36 citationsThrombosis journal. 2013;11(1):15
Coordination diversity in mono- and oligonuclear copper(II) complexes of pyridine-2-hydroxamic and pyridine-2,6-dihydroxamic acids.23777395 · Gumienna-Kontecka, Elzbieta, Golenya, Irina A, Szebesczyk, Agnieszka et al.2014 · 20 citationsInorganic chemistry. 2013;52(13):7633-44
Novel methods for assessing oral direct factor Xa and thrombin inhibitors: use of point-of-care testing and urine samples.23271455 · Harenberg, Job, Du, Shanshan, Krämer, Sandra et al.2013 · 35 citationsSeminars in thrombosis and hemostasis. 2013;39(1):66-71
Report of the Subcommittee of Control of Anticoagulation on the determination of the anticoagulant effects of rivaroxaban.22947062 · Harenberg, J, Marx, S, Weiss, C et al.2013 · 54 citationsJournal of thrombosis and haemostasis : JTH. 2012;10(7):1433-6
Determination of rivaroxaban in human plasma samples.22422332 · Harenberg, Job, Erdle, Sandra, Marx, Svetlana et al.2012 · 66 citationsSeminars in thrombosis and hemostasis. 2012;38(2):178-84
Determination of the anticoagulant effects of new oral anticoagulants: an unmet need.22272710 · Harenberg, Job, Marx, Svetlana, Erdle, Sandra et al.2012 · 26 citationsExpert review of hematology. 2012;5(1):107-13
Determination of dabigatran in human plasma samples.22314599 · Harenberg, Job, Giese, Christina, Marx, Svetlana et al.2012 · 62 citationsSeminars in thrombosis and hemostasis. 2012;38(1):16-22
Metal complex derivatives of peptide nucleic acids (PNA).22210345 · Krämer, Roland, Mokhir, Andriy2012 · 7 citationsMetal ions in life sciences. 2012;10:319-40
Determination of an international sensitivity index of thromboplastin reagents using a WHO thromboplastin as calibrator for plasma spiked with rivaroxaban.21986465 · Harenberg, Job, Marx, Svetlana, Krämer, Roland et al.2012 · 36 citationsBlood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis. 2011;22(8):637-41
Determination of rivaroxaban by different factor Xa specific chromogenic substrate assays: reduction of interassay variability.21811937 · Harenberg, Job, Krämer, Roland, Giese, Christina et al.2012 · 69 citationsJournal of thrombosis and thrombolysis. 2011;32(3):267-71
Far-field nanoscopy with reversible chemical reactions.21404374 · Schwering, Michael, Kiel, Alexander, Kurz, Anton et al.2011 · 46 citationsAngewandte Chemie (International ed. in English). 2011;50(13):2940-5
Pattern-based sensing of sulfated glycosaminoglycans with a dynamic mixture of iron complexes.20448889 · Müller-Graff, Peter-Korbinian, Szelke, Helga, Severin, Kay et al.2010 · 38 citationsOrganic & biomolecular chemistry. 2010;8(10):2327-31
A fluorescent probe for the quantification of heparin in clinical samples with minimal matrix interference.20177610 · Szelke, Helga, Schübel, Sarah, Harenberg, Job et al.2010 · 76 citationsChemical communications (Cambridge, England). 2010;46(10):1667-9
Interaction of heparin with cationic molecular probes: probe charge is a major determinant of binding stoichiometry and affinity.20079635 · Szelke, Helga, Schübel, Sarah, Harenberg, Job et al.2010 · 28 citationsBioorganic & medicinal chemistry letters. 2010;20(4):1445-7
COMBinatorial Oligo FISH: directed labeling of specific genome domains in differentially fixed cell material and live cells.20809312 · Schmitt, Eberhard, Schwarz-Finsterle, Jutta, Stein, Stefan et al.2010 · 26 citationsMethods in molecular biology (Clifton, N.J.). 2010;659:185-202
Detection and neutralisation of heparin by a fluorescent ruthenium compound.19888520 · Szelke, Helga, Harenberg, Job, Krämer, Roland2010 · 20 citationsThrombosis and haemostasis. 2009;102(5):859-64
Lanthanide-based fluorogenic peptide substrate for the highly sensitive detection of thermolysin.19720529 · Marguerre, Ann-Kathrin, Krämer, Roland2009 · 12 citationsBioorganic & medicinal chemistry letters. 2009;19(19):5757-9
A fluorescent redox sensor with tuneable oxidation potential.20100659 · Kierat, Radoslaw M, Thaler, Birgit M B, Krämer, Roland2010 · 29 citationsBioorganic & medicinal chemistry letters. 2010;20(4):1457-9
Using enzymatic amplification by aldolase for the optical detection of DNA by an artificial signal cascade.18701280 · Graf, Nora, Kassube, Susanne, Krämer, Roland2008 · 4 citationsBioorganic & medicinal chemistry letters. 2008;18(17):4786-8
Bis(3,5-dimethyl-1H-pyrazolyl)selenide--a new bidentate bent connector for preparation of 1D and 2D co-ordination polymers.17637993 · Seredyuk, Maksym, Haukka, Matti, Fritsky, Igor O et al.2007 · 37 citationsDalton transactions (Cambridge, England : 2003). 2007(29):3183-94
Direct monitoring of formation and dissociation of individual metal complexes by single-molecule fluorescence spectroscopy.17397126 · Kiel, Alexander, Kovacs, Janos, Mokhir, Andriy et al.2007 · 67 citationsAngewandte Chemie (International ed. in English). 2007;46(18):3363-6
Enzymatic amplification in a bioinspired, autonomous signal cascade.17057848 · Graf, Nora, Krämer, Roland2007 · 28 citationsChemical communications (Cambridge, England). 2006(42):4375-6
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