The strong affinity of antimicrobial peptides (AMP) to bacterial membranes is used to isolate and then to identify bacterial agents using specially modified carrier materials made up of heterogeneous mixtures. One of the complex mechanisms of action of antimicrobial peptides was also discovered in the process. We are now able to synthesize highly-specific artificial, non-toxic molecules (peptides) that are very short in comparison to naturally occurring peptides (»Synthizide«). This patented technique is opening up the possibility of replacing antibiotics in certain areas, thereby reducing the microbial load without creating additional resistances or allowing existing ones to manifest themselves. These and other (natural) AMPs can be used to create biocidal surfaces that can serve as an antibiotic replacement in certain cases to help fight increasingly prevalent antibiotic resistances and multidrug-resistant microorganisms. (Keywords: wound dressing, medical products)