Femtogram per Milliliter

Coronavirus disease 2019 (COVID-19) is a newly emerging human infectious disease caused by severe acute respiratory syndrome… Expand

Abstract In this study, we report a simple, low-cost surface plasmon resonance (SPR)-sensing cartridge based on a loop… Expand

The flexible cancer sensor based on layer-by-layer self-assembled graphene reported in this letter demonstrates features… Expand

The ability to detect single protein molecules in blood could accelerate the discovery and use of more sensitive diagnostic… Expand

Phosphine is a natural gaseous carrier of phosphorus in its geochemical cycles, and it might be of importance to the phosphorus… Expand

Abstract Objective: To measure serum leptin concentrations in the Polynesian population of Western Samoa and to examine… Expand

Subcutaneous implantation of demineralized bone matrix initiates a sequence of developmental events, which culminate in… Expand

We have devised a luminescence sandwich ELISA for the quantification of IL-6 in both sera and cell culture supernatants, which… Expand

The role of lipopolysaccharide (LPS) as an activator of human monocyte interleukin‐1 (IL‐1) synthesis and secretion has been… Expand

We measured the free concentration of 1,25-dihydroxyvitamin D (1,25[OH]2D) using centrifugal ultrafiltration, and the level of… Expand