Posters

Ranke J, Wöltjen J and Meinecke S (2018) Testdatensätze und Gewichtungsverfahren für die Auswertung von Abbaudaten. Umwelt 2018 mit Beiträgen der Fachgruppe Umweltchemie & Ökotoxikologie der GDCh und Society of Environmental Toxicology and Chemistry - German Language Branch, 9-12 September 2018, Münster, Germany, poster (pdf)
Ranke J and Lehmann R (2015) To …
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New publication

I am happy to announce that the publication on the software comparison of kinetic evaluation software is now available online! As the supporting information containing the numerical results obtained with the test datasets published on the journal website is marked as "Draft", I have prepared a version for publicaton on …

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Refereed publications

34.Ranke J, Wöltjen J, Meinecke S (2018) Comparison of software tools for kinetic evaluation of chemical degradation data Environmental Sciences Europe 30 (17) doi:10.1186/s12302-018-0145-1
33.Cho C, Stolte S, Ranke J, Preiss U, Krossing I, Thöming J (2014) Quantitative Analysis of Molecular Interaction Potentials of Ionic …
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Presentations

Ranke J, Coors A, Vollmar P, Riedhammer C (2017) Comparative environmental risk assessment of biocides - a chance to get better products. SETAC Europe 7-11 May 2017, Brussels, Belgium slides (pdf)
Ranke J (2016) Null Abbau - Reiner Zufall? SETAC GLB 5-8 September 2016, Tübingen, Germany slides (pdf)
Ranke J (2014) Progress …
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Theses

Ranke J (2010) Scientific concepts and tools for sustainable chemistry as applied to ionic liquids and antifouling biocides, Habilitation thesis, Universität Bremen, PDF for download
Ranke J (2002) Ecotoxicological Risk Profiles of Chemicals - Concept and Application to Antifouling Biocides, PhD thesis, Universität Bremen, PDF for download, printed edition available from …
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Unrefereed publications

Ranke J, Dinkel H, Pichler K (2010) R - ein neues Element für chemische Analysen. Nachrichten aus der Chemie 58 (April 2010) 453-455
Behrend P, Dünne M, Ranke J* (2006) Determination of Irgarol(R) 1051 from small water samples using Stir-Bar Sorptive Extraction TDS-GC-MS for application in multispecies testing.
Ranke J …
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Read tables from documents to R

This is a short note about reading tables from common office document formats into R.

xls and xlsx

I have had good success with the XLConnect package, both with the old xls format and the XML based xlsx format. The key function for me is readWorksheet.

require(XLConnect)
wb <- loadWorkbook …
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New design

Upon finishing some projects, I found the time to update this web server (from Debian wheezy to Debian jessie) and to give the web site a new design.

And after the start of the new year, the translation of the site to German is completed as well.

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Up and running

With great pleasure I am introducing my new company in this little weblog posting. The company is simply called “Johannes Ranke, wissenschaftlicher Berater”. This means I am running a one-man scientific consulting company. Continuing from my activities at the University of Bremen, at Harlan Laboratories and most recently at Eurofins …

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