Dear colleagues,

For ever more questions and applications, new types of chemical compounds are required that have special functions. Everyone is talking about the antibiotic crisis caused by a lack of new antibiotics and increasing pressure from resistance in bacteria. What is often forgotten is the parallel crisis of a lack of fungicides for use in agriculture, which has comparable causes and seriously threatens our food and feed supplies. The big questions of cancer and neurodegenerative diseases are often unanswered from the therapeutic side, but new connections are also of enormous importance for engineering issues, which should not go unnoticed, also and especially with regard to resource- and climate-compliant development of products and processes.

It is well known that organic sulfur-containing compounds from the class of polysulfanes or thiosulfinates, such as those found in garlic, are chemically interesting and biologically versatile. Some undoubtedly offer the potential of an application in one or the other of the challenges mentioned, but it is often the significant smell that an application has so far not allowed. Both the need for effective substances and novel derivatives can open the door for the use of polysulfanes, thiosulfinates, and similar compounds in medicine, agriculture, and engineering.

Accordingly, I look forward to the submission of original papers and review articles, preferably with an interdisciplinary approach that illuminates the possibility of using these connections from various aspects.

Dr. Martin C. Gruhlke
Guest Editor

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