How capitalist rule is ruining living nature - species extinction, factory farming and the poisoning of the world. Cologne 2025. 176 pages.
The Liberation of Nature - On the Relationship between Nature and Freedom in Herbert Marcuse. Cologne 2020. 115 pages.
Hegel's Logic and Chemistry. Ongoing commentary on the real measure. Edited by F. Nicolin and O. Pöggeler. Hegel-Studien, supplement 34. Bonn 1997. 349 pages.
"Zur Reduktion des Kohlendioxid zu Formiat durch NADH unter Katalyse von Formiat-Dehydrogenase aus Pseudomonas oxalaticus", Dissertation, University of Heidelberg 1974.
Publications
(together with H.-G. Bensch and S. Hollewedde): Capital and Nature.A contradiction - not resolvable, made profitable, destroying the earth. Cologne 2023.
(together with H.-E. Schiller): Staat und Politik bei Horkheimer und Adorno. Baden Baden 2014.
(together with J. Kreuzer): Ernst Bloch. Society and Culture. Selected Writings Volume 2. Berlin 2010.
Essays
On the genesis of an essay on Kant's pacifist imperative. As yet unpublished manuscript. February 2026
"Let there be no war". What Kant would have written to today's leaders. In: Das Argument 344 Zeitschrift für Philosophie und Sozialwissenschaften, 66th year (2026), issue 1, 122-138.
The capitalist domination of living nature - how to find an exit from it? In: Pedagogy - Capitalism - Ecology. Edited by S. Kunert and M. Steffen. Critical pedagogy - interventions and perspectives. Weinheim 2026. p. 45-62.
On the concept of domination in critical theory. In: Domination or Organisation. On the political form of human society. Edited by M. Städtler and M. Heinemann. Springe 2024. pp. 106-127.
On the concept of capitalist domination over living nature. In: Capital and Nature. A contradiction - not resolvable, made profitable, destroying the earth. Edited by H.-G. Bensch, S. Hollewedde, U. Ruschig. Cologne 2023. p. 30-47.
Systematic sketch of the relationship between nature and freedom. In: Journal for Critical Theory. 28th year. Issue 54-55. Lüneburg 2022. p. 10-38.
Signs of freedom. Why human emancipation cannot be achieved without the revolutionary struggle against the destructive rule of capital over nature. In: Melodie&Rhythmus. Magazine for counterculture. Issue 3/2021. p. 86-91.
On the concept of justice in Marx. In: On the shoulders of Karl Marx. Edited by T. Sablowski, J. Dellheim, A. Demirovic, K. Pühl and I. Solty. Münster 2021. p. 67-81.
Thinking ahead in the Marxist tradition. Horkheimer's critique of Engels. In: The upright gait in skewed capitalism. Models of critical thinking. Edited by R. Dannemann, H. Pickford and H.-E. Schiller. Wiesbaden 2018. pp. 93-119.
The concept of substance in Marx. In: Journal for Critical Social Theory and Philosophy. Volume 4 Issue 1-2. Berlin 2017. p. 49-85.
On the Marxism of Critical Theory. Horkheimer's reception and continuation of Engels' "The Development of Socialism from Utopia to Science". In: Journal for Critical Theory. 22nd year (2016). Issue 42-43. Lüneburg 2016. p. 76-96.
On the Concept of Technology in Horkheimer and Adorno. In: Journal for Critical Social Theory and Philosophy. Volume 3 Issue 1. Berlin 2016. pp. 182-208.
Thinking Further in the Marxist Tradition: The Doctrine of the Authoritarian State. In: State and Politics in Horkheimer and Adorno. Edited by U. Ruschig and H.-E. Schiller. Baden-Baden 2014, pp. 73-103.
On the meaning of sound. In: On the Sense of Hearing. Contributions to the Philosophy of Music. Edited by G. Mohr and J. Kreuzer. Würzburg 2012. pp. 109-126.
Metaphysics and metaphysical criticism in Kant. In: Metaphysics and Metaphysical Criticism in Classical German Philosophy (Hegel-Studien Beiheft 57). Edited by Myriam Gerhard, Annette Sell and Lu de Vos. Hamburg 2012. pp. 41-59.
Karl Jaspers and the Idea of the University. In: Karl Jaspers. Basic concepts of his thought. Edited by H. R. Yousefi, W. Schüßler, R. Schulz, U. Diehl. Berlin 2011. pp. 333-347.
Materialism: Critical Theory after Marx. In: Adorno Handbook. Life - Work - Impact. Edited by R. Klein, J. Kreuzer, S. Müller-Doohm. Stuttgart 2011. pp. 335-345.
Introduction. Two theses and a corollary. In: Oldenburger Jahrbuch für Philosophie 2009. ed. by Myriam Gerhard. Oldenburg 2010. pp. 7-11.
Kant and Marx. In: From hermeneutics to intercultural philosophy. Commemorative publication for Heinz Kimmerle on his 80th birthday. Edited by H. R. Yousefi, H.-J. Scheidgen and H. Oosterling. Nordhausen 2010. pp. 211-224.
Marginal notes on the "movement of the concept". In: Hegel's Actuality. On the Reality of Reason in Postmetaphysical Times. Edited by J. Kreuzer. Munich 2010. pp. 67-82.
From the "idea of the university" to the real subsumption of scientific work under a system of allocation money control. In: "Truth is what unites us". Karl Jaspers' art of philosophising. Edited by R. Schulz, G. Bonnani, M. Bormuth. Göttingen 2009. pp. 474-492.
On the topicality of "History and Class Consciousness". In: Space of Freedom. Reflections on Idea and Reality. Edited by W. Meints, M. Daxner, G. Kraiker. Bielefeld 2009. pp. 151-171.
Simulated commodity production - an academic dance around the golden calf. In: Das Argument 272 Zeitschrift für Philosophie und Sozialwissenschaften, 49. Jahrgang (2007), Heft 4, 509-524.
Love in the snow instead of labour of the concept - Where the confusion of time definitions in Thomas Mann's Magic Mountain leads. In: The Reality of Time. Edited by J. Kreuzer and G. Mohr. Munich 2007. pp. 99-118.
Materialist dialectics or systems theory. In: Erwägen Wissen Ethik vol. 17/2006 issue 2, pp. 220-222.
The Intelligible Character in Kant and the Morality of Science. In: Kant and the Berlin Enlightenment. Proceedings of the IX International Kant Congress. Edited by V. Gerhardt, R.-P. Horstmann and R. Schumacher. Berlin New York 2001. vol. 3, pp. 315-326.
Logic and Chemistry in Hegel's Philosophy. In : HYLE - International Journal for Philosophy of Chemistry. Vol 7(2001), pp. 5-22
Hegel's Philosophy of the Chemical Process: a Rehabilitation. In: HYLE - International Journal for Philosophy of Chemistry. Vol 6 (2000), pp. 175-177.
"Absolute Indifference" - Materialless Material on the Way to "Absolute Negation." In: With and against Hegel. Von der Gegenstandslosigkeit der absoluten Reflexion zur Begriffslosigkeit der Gegenwart. Edited by A. Knahl, J. Müller and M. Städtler. Lüneburg 2000, pp. 59-76.
The "Knotted Line of Measure Relations" and Materialist Dialectics. In: Hegel's Logic of Being. Interpretations and Perspectives. Edited by A. Arndt and C. Iber. Berlin 2000, pp. 301-314.
"Corruption of Science" in: Traditionell kritische Theorie. Ed. v. Gesellschaftswissenschaftliches Institut. Würzburg 1995, pp. 21-32.
Marginal glosses on the "Knotenlinie von Maaßverhältnissen" in: Hegel-Jahrbuch 1989. ed. by H. Kimmerle, W. Lefèvre & R. W. Meyer. Giessen 1989, pp. 365-371.
"Chemische Einsichten wider Willen - Hegels Theorie in der Chemie" in: Hegel Studien 22. ed. by F. Nicolin & O. Pöggeler. Bonn 1987, pp. 173-179.
"Chemische Einsichten wider Willen - Kritik des Übergangs zur Wahlverwandtschaft in Hegels "Wissenschaft der Logik"" in: Dialectica Negativa - Wider den Fortschritt der Regression des Denkens. Edited by M. Büchsel & H. Lonitz. Lüneburg 1984, pp. 65-87.
Th. Höpner, U. Ruschig, U. Müller & P. Willnow: "Formate dehydrogenase from Pseudomonas oxalaticus" in: Methods in Enzymology Vol 89 (1982), ed. W. A. Wood. New York 1982, pp. 531-537.
U. Ruschig, U. Müller, P. Willnow & Th. Höpner: "CO2 Reduction to formate by NADH catalysed by formate dehydrogenase from Pseudomonas oxalaticus", Eur. J. Biochem. 70 (1976), S. 325-330.
Reviews
Wolfgang Neuser and Sönke Roterberg (eds.): Systemtheorie, Selbstorganisation und Dialektik. On the Methodology of Hegel's Philosophy of Nature. In: Hegel-Studien Volume 48. ed. by Michael Quante and Birgit Sandkaulen. Hamburg 2015. p. 300-305.
Conversations
Rosa Luxemburg conversation with Sabine Wegmann: Reflecting on Corona 17 June 2020 nds.rosalux.de/publikation/id/42491/ (video and a pdf with the precise transcription of the conversation)
