ResourceClinical Diagnostics
Unparalleled precision of SPEAR UltraDetect immunoassays with homogeneous format: GFAP and NfL
15 Jan 2026This application note showcases the exceptional analytical performance of SPEAR UltraDetect™ homogeneous immunoassays for the quantification of the neurological biomarkers GFAP and NfL. Designed to overcome the limitations of conventional ultra-sensitive platforms, SPEAR UltraDetect™ delivers an unprecedented combination of ultra-high sensitivity, superior precision, and robust reproducibility, even at the lowest biomarker concentrations found in blood.
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BiomarkersBiomarkers are biological markers which can be measured and evaluated to indicate a biological state. The use of biomarkers in research and diagnosis can indicate a normal or disease state or drug response of cells / tissues. Biomarkers include genetic markers, cell surface markers such as antigens, antibodies or receptors and secreted molecules such as cytokines. An assay system is required for identification of biomarkers. :ImmunoassayImmunoassays are laboratory tests that utilize antibody-antigen interactions to detect specific substances. They are widely used in diagnostics for detecting diseases, drug testing, and environmental monitoring. These assays offer rapid, sensitive, and precise detection of biomarkers, making them invaluable in clinical and research labs. Browse our peer-reviewed product directory to compare immunoassay systems, read user reviews, and get pricing directly from manufacturers.NeurodegenerationNeurodegeneration refers to the progressive deterioration of the structure and function of the nervous system, often seen in diseases like Alzheimer's and Parkinson's. Research focuses on early detection and potential therapies. Explore neurodegeneration research tools in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.