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Israeli and Dutch scientists created a precise method to measure Alzheimer’s-related protein fibrils in real time at very low concentrations.
Israeli and Dutch researchers have developed FibrilPaint and FibrilRuler, a new technique that precisely measures Tau amyloid fibril length in fluid at extremely low concentrations, enabling real-time analysis of fibril formation and growth in conditions mimicking the human body.
The method uses a targeted peptide probe that binds specifically to disease-linked amyloid fibrils while ignoring background proteins, and pairs with flow-induced dispersion analysis to act as a molecular ruler without requiring large samples or surface immobilization.
It detects fibrils as small as four layers and up to over 1,100 layers, with sensitivity at nanomolar levels, offering new insights into Alzheimer’s and related dementias.
The research, led by Prof. Assaf Friedler and Prof. Stefan GD Rudiger, was published in the Proceedings of the National Academy of Sciences.
Científicos israelíes y holandeses crearon un método preciso para medir las fibrillas de proteínas relacionadas con el Alzheimer en tiempo real a concentraciones muy bajas.