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In contrast , temperatures in the range of 500 led to lower cytotoxic scaffolds but insufficient mechanical strength .
 process parameter: temperatures; process parameter: range; application: led; biomedical: cytotoxic scaffolds; machanical property: mechanical strength
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
Answer:
 process parameter: temperatures; process parameter: range; application: led; biomedical: cytotoxic scaffolds; machanical property: mechanical strength