Plasmonic nanohole arrays for monitoring growth of bacteria and antibiotic susceptibility test

Kee, Jack Sheng; Lim, Swee Yin; Perera, Agampodi Promoda; Zhang, Yong; Park, Mi Kyoung

doi:10.1016/j.snb.2013.03.053

Cited by 38 publications

(21 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Another type of surface wave, namely, a surface plasmon, can be used for the same purpose. Surface plasmons have similar penetration depths, which are on the order of 180 nm and are demonstrated by Kee et al ( 35 ). They used surface plasmons to detect bacterial ( E. coli ) attachment and growth.…”

Section: Surface-sensitive Sensorssupporting

confidence: 61%

Optical Sensing of Microbial Life on Surfaces

Fischer

Triggs

Krauss

2016

Appl Environ Microbiol

View full text Add to dashboard Cite

The label-free detection of microbial cells attached to a surface is an active field of research. The field is driven by the need to understand and control the growth of biofilms in a number of applications, including basic research in natural environments, industrial facilities, and clinical devices, to name a few. Despite significant progress in the ability to monitor the growth of biofilms and related living cells, the sensitivity and selectivity of such sensors are still a challenge. We believe that among the many different technologies available for monitoring biofilm growth, optical techniques are the most promising, as they afford direct imaging and offer high sensitivity and specificity. Furthermore, as each technique offers different insights into the biofilm growth mechanism, our analysis allows us to provide an overview of the biological processes at play. In addition, we use a set of key parameters to compare state-of-the-art techniques in the field, including a critical assessment of each method, to identify the most promising types of sensors. We highlight the challenges that need to be overcome to improve the characteristics of current biofilm sensor technologies and indicate where further developments are required. In addition, we provide guidelines for selecting a suitable sensor for detecting microbial cells on a surface.

show abstract

Section: Surface-sensitive Sensorssupporting

confidence: 61%

Optical Sensing of Microbial Life on Surfaces

Fischer

Triggs

Krauss

2016

Appl Environ Microbiol

View full text Add to dashboard Cite

show abstract

“…With in-depth study of the active substrate, it provides the possibility the detection of single cell. Kee et al (2013) used a plasmonic nanohole sensor to quickly, efficiently, and quantitatively monitor the bacterial growth and antibiotic sensitivity. The plasmonic nanohole arrays were fabricated by a mask-based deep ultraviolet lithography method and were measured the characteristic of bulk refractive index sensitivity and surface mass sensitivity.…”

Section: Sers For Pathogen Bacteria Detectionmentioning

confidence: 99%

Detection of Foodborne Pathogens by Surface Enhanced Raman Spectroscopy

Zhao¹,

Li²,

2018

Front. Microbiol.

104

View full text Add to dashboard Cite

Food safety has become an important public health issue in both developed and developing countries. However, as the foodborne illnesses caused by the pollution of foodborne pathogens occurred frequently, which seriously endangered the safety and health of human beings. More importantly, the traditional techniques, such as PCR and enzyme-linked immunosorbent assay, are accurate and effective, but their pretreatments are complex and time-consuming. Therefore, how to detect foodborne pathogens quickly and sensitively has become the key to control food safety. Because of its sensitivity, rapidity, and non-destructive damage to the sample, the surface enhanced Raman scattering (SERS) is considered to be a powerful testing technology that is widely used to different fields. This review aims to give a systematic and comprehensive understanding of SERS for rapid detection of pathogen bacteria. First, the related concepts of SERS are stated, such as its work principal, active substrate, and biochemical origins of the detection of bacteria by SERS. Then the latest progress and applications in food safety, from detection and characterization of targets in label-free method to label method, is summarized. The advantages and limitations of different SERS substrates and methods are discussed. Finally, there are still several hurdles for the further development of SERS techniques into real-world applications. This review comes up with the perspectives on the future trends of the SERS technique in the field of foodborne pathogens detection and some problems to be solved urgently. Therefore, the purpose is mainly to understand the detection of foodborne pathogens and to make further emphasis on the importance of SERS techniques.

show abstract

“…When the concentrations of NaCl solution changed from 0.1 to 1 %, the refractive index change was about 1.5 × 10 −3 refractive index unit (RIU) and elicited 14 nm shift in resonance wavelength. Thus, the nanoCA device had the sensitivity about ~10 4 nm per RIU, which showed same good performance as nanostructured sensor devices in several recent researches [ 25 , 26 ]. It provided a great guarantee to monitor slight changes of peptide in explosive detections.…”

Section: Resultsmentioning

confidence: 70%

Peptide Functionalized Nanoplasmonic Sensor for Explosive Detection

Zhang

et al. 2015

Nano-Micro Lett.

View full text Add to dashboard Cite

In this study, a nanobiosensor for detecting explosives was developed, in which the peptide was synthesized with trinitrotoluene (TNT)-specific sequence and immobilized on nanodevice by Au–S covalent linkage, and the nanocup arrays were fabricated by nanoimprint and deposited with Au nanoparticles to generate localized surface plasmon resonance (LSPR). The device was used to monitor slight change from specific binding of 2,4,6-TNT to the peptide. With high refractive index sensing of ~104 nm/RIU, the nanocup device can detect the binding of TNT at concentration as low as 3.12 × 10−7 mg mL−1 by optical transmission spectrum modulated by LSPR. The nanosensor is also able to distinguish TNT from analogs of 2,4-dinitrotoluene and 3-nitrotoluene in the mixture with great selectivity. The peptide-based nanosensor provides novel approaches to design versatile biosensor assays by LSPR for chemical molecules.

show abstract

Plasmonic nanohole arrays for monitoring growth of bacteria and antibiotic susceptibility test

Cited by 38 publications

References 38 publications

Optical Sensing of Microbial Life on Surfaces

Optical Sensing of Microbial Life on Surfaces

Detection of Foodborne Pathogens by Surface Enhanced Raman Spectroscopy

Peptide Functionalized Nanoplasmonic Sensor for Explosive Detection

Contact Info

Product

Resources

About