Glycosylated gold nanoparticles in point of care diagnostics: From aggregation to lateral flow

AN Baker, GW Hawker-Bond, PG Georgiou… - Chemical Society …, 2022 - pubs.rsc.org
Current point-of-care lateral flow immunoassays, such as the home pregnancy test, rely on
proteins as detection units (eg antibodies) to sense for analytes. Glycans play a fundamental …

Glyco-nanotechnology: A biomedical perspective

M Kalita, MM Payne, SH Bossmann - … : Nanotechnology, Biology and …, 2022 - Elsevier
Glycans govern cellular signaling through glycan–protein and glycan–glycan crosstalk.
Disruption in the crosstalk initiates 'rogue'signaling and pathology. Nanomaterials supply …

Plasmonic detection of SARS-CoV-2 spike protein with polymer-stabilized glycosylated gold nanorods

PG Georgiou, CS Guy, M Hasan, A Ahmad… - ACS Macro …, 2022 - ACS Publications
The COVID-19 pandemic has highlighted the need for innovative biosensing, diagnostic,
and surveillance platforms. Here we report that glycosylated, polymer-stabilized, gold …

Programmable Monodisperse Glyco-Multivalency Using Self-Assembled Coordination Cages as Scaffolds

C Pritchard, M Ligorio, GD Jackson… - … applied materials & …, 2023 - ACS Publications
The multivalent presentation of glycans leads to enhanced binding avidity to lectins due to
the cluster glycoside effect. Most materials used as scaffolds for multivalent glycan arrays …

Polymer-tethered glycosylated gold nanoparticles recruit sialylated glycoproteins into their protein corona, leading to off-target lectin binding

A Ahmad, PG Georgiou, A Pancaro, M Hasan… - Nanoscale, 2022 - pubs.rsc.org
Upon exposure to biological fluids, the fouling of nanomaterial surfaces results in non-
specific capture of proteins, which is particularly important when in contact with blood for in …

Updates on the biofunctionalization of gold nanoparticles for the rapid and sensitive multiplatform diagnosis of SARS-CoV-2 virus and its proteins: from computational …

RE Ionescu - International Journal of Molecular Sciences, 2023 - mdpi.com
Since the outbreak of the pandemic respiratory virus SARS-CoV-2 (COVID-19), academic
communities and governments/private companies have used several detection techniques …

Synthesis and screening of a library of Lewisx deoxyfluoro-analogues reveals differential recognition by glycan-binding partners

K Hollingsworth, A Di Maio, SJ Richards… - Nature …, 2024 - nature.com
Glycan-mediated interactions play a crucial role in biology and medicine, influencing
signalling, immune responses, and disease pathogenesis. However, the use of glycans in …

Lateral Flow Glyco‐Assays for the Rapid and Low‐Cost Detection of Lectins–Polymeric Linkers and Particle Engineering Are Essential for Selectivity and Performance

AN Baker, AR Muguruza, SJ Richards… - Advanced …, 2022 - Wiley Online Library
Lateral flow immuno‐assays, such as the home pregnancy test, are rapid point‐of‐care
diagnostics that use antibody‐coated nanoparticles to bind antigens/analytes (eg, viruses …

Sialic acids in infection and their potential use in detection and protection against pathogens

S Dedola, S Ahmadipour, P de Andrade… - RSC Chemical …, 2024 - pubs.rsc.org
In structural terms, the sialic acids are a large family of nine carbon sugars based around an
alpha-keto acid core. They are widely spread in nature, where they are often found to be …

A Nanoplasmonic Assay for Point-of-Care Detection of Mannose-Binding Lectin in Human Serum

A Pancaro, M Szymonik, P Perez Schmidt… - … Applied Materials & …, 2024 - ACS Publications
Mannose-binding lectin (MBL) activates the complement system lectin pathway and
subsequent inflammatory mechanisms. The incidence and outcome of many human …