RT Journal Article
T1 Polymer-Based Micromotor Fluorescence Immunoassay for "On-the-Move" Sensitive Procalcitonin Determination in Very Low Birth Weight Infants’ Plasma
A1 Molinero-Fernández, Águeda
A1 Moreno Guzmán, María
A1 Arruza Gómez, Luis
A1 López, Miguel Ángel
A1 Escarpa, Alberto
AB A new fluorescence micromotor-based immunoassay (FMIm) has been developed for procalcitonin (PCT) determination as an early sepsis diagnostic analytical tool. The micromotors combine the high binding capacity of the specific antibodies onto their polymeric polypyrrole outer layer (PPy layer), with their magnetic guidance (Ni layer) and self-propulsion by catalytic generation of oxygen bubbles (PtNP inner layer) to actively recognize the PCT antigen. This FMIm allowed a sensitive (LOD = 0.07 ng mL-1) and direct PCT determination in clinical samples from very low-birth-weight infants (VLBWI) with sepsis suspicion, using small volumes of sample (25 μL) in a clinically relevant range of concentrations (0.5-150 ng mL-1). The good agreement between PCT levels obtained by our micromotor-based method and routine immunofluorescence hospital determination demonstrates the feasibility for the analysis in VLBWI samples and its potential as a point-of-care diagnostic tool for sepsis.
PB ACS publication
SN 2379-3694
YR 2020
FD 2020-03-23
LK https://hdl.handle.net/20.500.14352/93037
UL https://hdl.handle.net/20.500.14352/93037
LA eng
NO Molinero-Fernández Á, Moreno-Guzmán M, Arruza L, López MÁ, Escarpa A. Polymer-Based Micromotor Fluorescence Immunoassay for On-the-Move Sensitive Procalcitonin Determination in Very Low Birth Weight Infants’ Plasma. ACS Sens 2020;5:1336–44. https://doi.org/10.1021/acssensors.9b02515.
NO Ministerio de Economía, Industria y Competitividad (España)
NO TRANSNANOAVANSENS program
NO Comunidad de Madrid
NO La Caixa
DS Docta Complutense
RD 8 abr 2025