Molecular overlap with optical near-fields based on plasmonic nanolithography for ultrasensitive label-free detection by light-matter colocalization

K Kim, W Lee, K Chung, H Lee, T Son, Y Oh… - Biosensors and …, 2017 - Elsevier
In this work, we investigate the detection sensitivity of surface plasmon resonance (SPR)
biosensors by engineering spatial distribution of electromagnetic near-fields for …

Probabilistic evaluation of surface-enhanced localized surface plasmon resonance biosensing

H Yang, W Lee, T Hwang, D Kim - Optics Express, 2014 - opg.optica.org
In this paper, we investigate detection characteristics of localized surface plasmon
resonance biosensing based on a probabilistic Poisson distribution of target molecules. The …

Fano resonances in plasmonic aluminum nanoparticle clusters for precise gas detection: Ultra-sensitivity to the minor environmental refractive index perturbations

A Ahmadivand, S Golmohammadi, N Pala - Photonics and Nanostructures …, 2015 - Elsevier
In this study, a compositional molecular cluster of aluminum (Al) nanoparticles (NPs) has
been proposed and examined numerically to design efficient and applicable nanoscale …

Adsorption-based microsensors for protein detection: influence of protein structural transformations and adsorption-induced analyte depletion of the analyzed sample …

I Jokić, O Jakšić, M Frantlović, Z Jakšić… - Microsystem Technologies, 2024 - Springer
The noise originating from the random nature of processes that affect the time evolution of
the number of adsorbed molecules is inherent to adsorption-based biosensors. It is a …

Monolayer gas adsorption on graphene-based materials: Surface density of adsorption sites and adsorption capacity

Surface density of adsorption sites on an adsorbent (including affinity-based sensors) is one
of the basic input parameters in modeling of process kinetics in adsorption based devices …

Stochastic Time Response and Ultimate Noise Performance of Adsorption-Based Microfluidic Biosensors

I Jokić, Z Djurić, K Radulović, M Frantlović… - Biosensors, 2021 - mdpi.com
In order to improve the interpretation of measurement results and to achieve the optimal
performance of microfluidic biosensors, advanced mathematical models of their time …

Modelling of plasmonic biosensor temporal response influenced by competitive adsorption and analyte depletion

I Jokić, O Jakšić, M Frantlović, Z Jakšić… - Measurement …, 2021 - iopscience.iop.org
Highly sensitive detection of biological analytes by plasmonic sensors is based on analyte
adsorption, which modifies the effective refractive index (RI) at the medium-sensor interface …

A second-order nonlinear model of monolayer adsorption in refractometric chemical sensors and biosensors case of equilibrium fluctuations

I Jokić, O Jakšić - Optical and Quantum Electronics, 2016 - Springer
In adsorption-based chemical and biological refractometric sensors the dependence of the
refractive index of the sensing area on the number of adsorbed particles is used for …

Nonlocal effects in double fishnet metasurfaces nanostructured at deep subwavelength level as a path toward simultaneous sensing of multiple chemical analytes

D Tanasković, M Obradov, O Jakšić, Z Jakšić - Photonics and …, 2016 - Elsevier
Nanoplasmonic devices are among the most sensitive chemical sensors, with sensitivities
reaching the single-molecule level. An especially convenient class of such sensors is that …

On oscillations and noise in multicomponent adsorption: The nature of multiple stationary states

OM Jakšić, Z Jakšić, MB Rašljić… - Advances in …, 2019 - Wiley Online Library
Starting from the fact that monocomponent adsorption, whether modeled by Lagergren or
nonlinear Riccati equation, does not sustain oscillations, we speculate about the nature of …