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Here , living cells are deposited layer-by-layer in combination with different biomaterials to obtain complex living structures .
 application: cells; concept or principle: layer-by-layer; material: biomaterials
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:
 application: cells; concept or principle: layer-by-layer; material: biomaterials