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In the human body , Ti alloy implants may experience non-specific protein adsorption and interrogation of neutrophils and macrophages , which may attract fibroblasts to an encapsulation process .
 application: Ti alloy implants; concept or principle: adsorption; concept or principle: neutrophils; biomedical: macrophages; biomedical: fibroblasts; concept or principle: encapsulation
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: Ti alloy implants; concept or principle: adsorption; concept or principle: neutrophils; biomedical: macrophages; biomedical: fibroblasts; concept or principle: encapsulation