AST, aspartate aminotransferaseALT, alanine aminotransferase; Alb, albumin; C1.75, protein concentration 1.75 × 10-4 g·dL-1; CPImin, protein concentration at PImin; CRP, C-reactive protein; Colorimetric; Creat, creatinine; D-D, D-dimer; Ferr, ferritin; GGT, gamma-glutamyl transferase; Glu, glucose; Gold; Hb, hemoglobin; ICU, intensive care unit; INR, international normalized ratio (prothrombin time); LDH, lactate dehydrogenase; LSPR, localized surface plasmon resonance; MCV, mean corpuscular volume; MPV, mean platelet volume; Mono, monocytes; NIR, near-infrared; NLR, neutrophil-to-lymphocyte ratio; NTA, nanoparticle tracking analysis; PDW, platelet distribution width; PI, pixel intensity; PI1.75, pixel intensity at C1.75; PIdil, pixel intensity at plasma dilution 1:31250; PImin, minimum value of pixel intensity; PLR, platelet-to-lymphocyte ratio; Plasmonic; RBC, red blood cells; RDW, red cell distribution width; SARS-CoV-2; Sepsis; TG, triglycerides; TotProt, total protein concentration; WBC, white blood cells