Regenerable and simultaneous surface plasmon resonance detection of aβ (1− 40) and aβ (1− 42) peptides in cerebrospinal fluids with signal amplification by …

N Xia, L Liu, MG Harrington, J Wang… - Analytical chemistry, 2010 - ACS Publications
A major constituent in the deposit of the brain in a patient with Alzheimer's disease (AD) is
the aggregates/fibrils of amyloid-β (Aβ) peptides containing 39− 43 amino acids. The total …

Surface plasmon resonance for the label-free detection of Alzheimer's β-amyloid peptide aggregation

P Palladino, AM Aura, G Spoto - Analytical and bioanalytical chemistry, 2016 - Springer
Amyloid peptide oligomers and fibrils are studied as targets for therapy and diagnosis of
Alzheimer's disease. They are usually detected by amyloid incubation, but such method is …

Surface plasmon resonance biosensors for simultaneous monitoring of amyloid-beta oligomers and fibrils and screening of select modulators

X Yi, C Feng, S Hu, H Li, J Wang - Analyst, 2016 - pubs.rsc.org
Oligomeric amyloid-beta (Aβ) peptides are considered as the most toxic species in
Alzheimer's disease (AD). Monitoring of the Aβ aggregation profiles is critical for elucidating …

Surface plasmon resonance binding kinetics of Alzheimer's disease amyloid β peptide-capturing and plaque-binding monoclonal antibodies

M Ramakrishnan, KK Kandimalla, TM Wengenack… - Biochemistry, 2009 - ACS Publications
Several different monoclonal antibodies (mAbs) have been actively developed in the field of
Alzheimer's disease (AD) for basic science and clinical applications; however, the binding …

Direct detection of α-1 antitrypsin in serum samples using surface plasmon resonance with a new aptamer–antibody sandwich assay

S Kim, HJ Lee - Analytical chemistry, 2015 - ACS Publications
The challenges associated with performing surface plasmon resonance (SPR) based
measurements in serum and other biofluids have continued to limit the applicability of this …

Femtomolar detection of tau proteins in undiluted plasma using surface plasmon resonance

S Kim, AW Wark, HJ Lee - Analytical chemistry, 2016 - ACS Publications
The ability to directly detect Tau protein and other neurodegenerative biomarkers in human
plasma at clinically relevant concentrations continues to be a significant hurdle for the …

Surface plasmon resonance analysis of Alzheimer's β-amyloid aggregation on a solid surface: from monomers to fully-grown fibrils

J Ryu, HA Joung, MG Kim, CB Park - Analytical chemistry, 2008 - ACS Publications
We analyzed the aggregation of Alzheimer's β-amyloid (1-42)(Aβ42) peptides from fresh
monomers to fully grown fibrils by using in situ surface plasmon resonance (SPR) …

Potential applications of SPR in early diagnosis and progression of Alzheimer's disease

L Liu, N Xia, J Wang - Rsc Advances, 2012 - pubs.rsc.org
Alzheimer's disease (AD) is the most common chronic, progressive neurodegenerative
disease, which affects an increasing number of elderly patients. So far, there is no cure for …

Surface plasmon resonance biosensors for detection of Alzheimer's biomarkers; an effective step in early and accurate diagnosis

A Rezabakhsh, R Rahbarghazi, F Fathi - Biosensors and Bioelectronics, 2020 - Elsevier
The rapid and direct detection of biomarkers in biofluids at clinically relevant concentrations
faces serious limitations to develop diagnostic criteria for neurodegenerative diseases such …

Label-free detection of Alzheimer's disease through the ADP3 peptoid recognizing the serum amyloid-beta42 peptide

Z Zhao, L Zhu, X Bu, H Ma, S Yang, Y Yang… - Chemical …, 2015 - pubs.rsc.org
The early diagnosis of Alzheimer's disease (AD) is challenging due to the lack of reliable
methods for detecting its biomarkers in the noninvasive biopsies. We used surface plasmon …