PMC:7152911 / 76779-77074 JSONTXT

{"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T32","span":{"begin":128,"end":134},"obj":"http://purl.obolibrary.org/obo/GO_0040007"}],"text":"Sample preparation steps have various purposes, including concentrating or amplifying the target species through separation and growth processes, reducing the concentration of background inhibitory species, and reducing the heterogeneity of the sample's composition and properties (Zourob et al."}

{"project":"LitCovid-sentences","denotations":[{"id":"T626","span":{"begin":0,"end":295},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Sample preparation steps have various purposes, including concentrating or amplifying the target species through separation and growth processes, reducing the concentration of background inhibitory species, and reducing the heterogeneity of the sample's composition and properties (Zourob et al."}