PMC:7152911 / 81057-81291 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T662","span":{"begin":0,"end":234},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Magnetic-assisted separation processes are useful when the target species exhibits similar properties to other analytes or background species in the sample, such as those with similar size, density, or chemical properties (Chen et al."}