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@ARTICLE{Herrmann:826558,
author = {Herrmann, Yvonne and Bujnicki, Tuyen and Zafiu, Christian
and Kulawik, Andreas and Kühbach, Katja and Peters, Luriano
and Fabig, Judith and Willbold, Johannes and Bannach, Oliver
and Willbold, Dieter},
title = {{N}anoparticle standards for immuno-based quantitation of
α-synuclein oligomers in diagnostics of {P}arkinson's
disease and other synucleopathies},
journal = {Clinica chimica acta},
volume = {466},
issn = {0009-8981},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2017-00777},
pages = {152–159},
year = {2017},
abstract = {Parkinson's disease is a neurodegenerative disorder that is
characterized by symptoms such as rigor, tremor and
bradykinesia. A reliable and early diagnosis could improve
the development of early therapeutic strategies before death
of dopaminergic neurons leads to the first clinical
symptoms.The sFIDA (surface-based fluorescence intensity
distribution analysis) assay is a highly sensitive method to
determine the concentration of α-synuclein (α-syn)
oligomers, which are presumably the major toxic isoform of
α-syn and potentially the most direct biomarker for
PD.Oligomer-based diagnostic tests require standard
molecules that closely mimic the native oligomer. This is
particularly important for calibration and assessment of
inter-assay variation. In this study, we generated a
standard in form of α-syn coated silica nanoparticles
(α-syn-SiNaPs) that are in the size range of α-syn
oligomers and provide a defined number of α-syn
epitopes.The preparation of the sFIDA assay was realized on
an automated platform to allow handling of high number of
samples and reduce the effects of human error. The assay
outcome was analyzed by determination of coefficient of
variation and linearity for the applied α-syn-SiNaPs
concentrations. Additionally, the limit of detection and
lower limit of quantification were determined yielding
concentrations in the lower femtomolar range.},
cin = {ICS-6},
ddc = {540},
cid = {I:(DE-Juel1)ICS-6-20110106},
pnm = {553 - Physical Basis of Diseases (POF3-553)},
pid = {G:(DE-HGF)POF3-553},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000397834600024},
pubmed = {pmid:28088342},
doi = {10.1016/j.cca.2017.01.010},
url = {https://juser.fz-juelich.de/record/826558},
}