Point-of-Care Electrochemical Immunosensor Applied against Nosocomial Infection: Staphylococcus aureus Detection in Human Hand Skin.
ACS Infect Dis
; 10(6): 1949-1957, 2024 Jun 14.
Article
de En
| MEDLINE
| ID: mdl-38741263
ABSTRACT
Staphylococcus aureus is an important pathogen that causes nosocomial infections, resulting in unacceptable morbidity and mortality rates. In this work, we proposed the construction of a nanostructured ZnO-based electrochemical immunosensor for qualitative and semiquantitative detection of S. aureus using simple methods for growing zinc oxide nanorods (ZnO NRs) on a sensor board and immobilizing the anti-S. aureus antibody on ZnO NRs through cystamine and glutaraldehyde. The immunosensor detected S. aureus in the 103-107 colony-forming unit (CFU) mL-1 range and showed a limit of detection (LoD) around 0.792 × 103 CFU mL-1. Beyond a satisfactory LoD, the developed immunosensor presented other advantages, such as high versatility for point-of-care assays and a suitable selective factor that admits the detection of the S. aureus concentration range in human hand skin after washing. Moreover, the immunosensor showed the potential to be an excellent device to control nosocomial infection by detecting the presence of S. aureus in human hand skin.
Mots clés
Texte intégral:
1
Collection:
01-internacional
Base de données:
MEDLINE
Sujet principal:
Peau
/
Staphylococcus aureus
/
Oxyde de zinc
/
Techniques de biocapteur
/
Infection croisée
/
Systèmes automatisés lit malade
/
Techniques électrochimiques
Limites:
Humans
Langue:
En
Journal:
ACS Infect Dis
/
ACS infect. dis
/
ACS infectious diseases
Année:
2024
Type de document:
Article
Pays d'affiliation:
Brésil
Pays de publication:
États-Unis d'Amérique