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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Posters

Ranke J and Lehmann R (2015) To t-test or not to t-test, that is the question. XV Symposium on Pesticide Chemistry 2-4 September 2015, Piacenza, Italy, poster (pdf)
Meinecke S, Ranke J and Winkler M (2014) Prüfung und Validierung von Software zur kinetischen Auswertung von Abbaudaten. 6. Jahrestagung von SETAC-GLB …
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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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