Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Adaptive Time Encoding for Irregular Multivariate Time-Series Classification.

Advances in neural information processing systems·2026
Same author

Effects of Brain-Computer Interface-Controlled Hand Robot Training on Post-Stroke Recovery of Upper Limb Motor Functions: A Meta-Analysis of Dose-Matched Randomized Controlled Trials.

Brain sciences·2026
Same author

Blood Pressure and Pleth Variability Index as Predictors of Tourniquet-Release Hypotension in Elderly Patients Undergoing Total Knee Arthroplasty: A Prospective Observational Study.

Life (Basel, Switzerland)·2026
Same author

Influence of Vibration Modes on CaSO<sub>4</sub> Scaling in Hollow-Fiber Membrane Distillation.

Membranes·2026
Same author

Towards Greater Representation of Diversity in Australian Dermatology Clinical Trials: Current Landscape and Strategies Forward.

The Australasian journal of dermatology·2026
Same author

Evaluation of radiation damage effects of low-energy Auger and conversion electrons emitted by <sup>134</sup>Ce decay using a Monte Carlo method.

Scientific reports·2026

Related Experiment Video

Updated: Feb 23, 2026

Development of an Electrochemical DNA Biosensor to Detect a Foodborne Pathogen
17:16

Development of an Electrochemical DNA Biosensor to Detect a Foodborne Pathogen

Published on: June 3, 2018

14.4K

Electrical Detection of Pneumococcus through the Nanoparticle Decoration Method.

Hannah Pyo1, Cho Yeon Lee2, Daehee Kim3

  • 1Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 440-746, Korea. vyzkssk@gmail.com.

Sensors (Basel, Switzerland)
|September 5, 2017
PubMed
Summary

This study presents a nanoparticle decoration method for detecting Streptococcus pneumoniae (S. pneumoniae). This technique enables sensitive and quantifiable bacterial detection with a lower limit than commercial kits.

Keywords:
bacteriabiosensorsmicrogapnanoparticle decorationpathogen detection

More Related Videos

Rapid Nanoprobe Signal Enhancement by In Situ Gold Nanoparticle Synthesis
07:30

Rapid Nanoprobe Signal Enhancement by In Situ Gold Nanoparticle Synthesis

Published on: March 7, 2018

8.0K
Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7
09:04

Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7

Published on: September 17, 2017

8.2K

Related Experiment Videos

Last Updated: Feb 23, 2026

Development of an Electrochemical DNA Biosensor to Detect a Foodborne Pathogen
17:16

Development of an Electrochemical DNA Biosensor to Detect a Foodborne Pathogen

Published on: June 3, 2018

14.4K
Rapid Nanoprobe Signal Enhancement by In Situ Gold Nanoparticle Synthesis
07:30

Rapid Nanoprobe Signal Enhancement by In Situ Gold Nanoparticle Synthesis

Published on: March 7, 2018

8.0K
Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7
09:04

Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7

Published on: September 17, 2017

8.2K

Area of Science:

  • Nanotechnology
  • Biotechnology
  • Microbiology

Background:

  • Pneumococcus detection is crucial for diagnosing bacterial infections.
  • Existing detection methods can be complex or lack sensitivity.
  • Nanoparticle-based approaches offer potential for improved diagnostics.

Purpose of the Study:

  • To develop a simple nanoparticle decoration method for detecting Streptococcus pneumoniae.
  • To establish a quantifiable detection system based on conductance changes.
  • To compare the detection limit with commercial kits.

Main Methods:

  • Bacteria were captured using PnC antibodies on interdigitated electrodes.
  • Gold nanoparticles conjugated with PnC antibodies were used for decoration.
  • Conductance changes were measured to quantify bacteria concentration.

Main Results:

  • Successfully detected S. pneumoniae in the range of 10-10⁸ CFU/mL.
  • Demonstrated a correlation between conductance change probability and bacterial concentration.
  • Achieved a lower limit of detection compared to a commercial kit.

Conclusions:

  • Nanoparticle decoration is a facile and effective method for pneumococcus detection.
  • The developed method offers sensitive and quantifiable bacterial detection.
  • This approach holds promise for the detection of various bacterial species.