Please capitalize where necessary: individuals with surname marcuse
A: Individuals with surname MARCUSE

Please capitalize where necessary: the higher the wage and the age the higher this rate (up to 10%).
A: The higher the wage and the age the higher this rate (up to 10%).

Please capitalize where necessary: campylobacter is frequently found in bathing water, where as campylobacter is only sporadic found in drinking water in denmark.
A: Campylobacter is frequently found in bathing water, where as Campylobacter is only sporadic found in drinking water in Denmark.

Please capitalize where necessary: dsa files are 3d image files primarily associated with dasytec dasylab file.
A:
DSA files are 3D Image Files primarily associated with DasyTec DASYLab File.