Paras N. Prasad
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View article: Enantio-selective vibronic coupling revealed via dissymmetry of upconverted emission in double-resonance excitation of chiral polymer
Enantio-selective vibronic coupling revealed via dissymmetry of upconverted emission in double-resonance excitation of chiral polymer Open
Double-resonance dual-beam spectroscopy, involving vibrational and electronic transitions, is a powerful tool allowing to resolve vibronic coupling in complex molecular systems. Here, introducing resonant three-photon excitation with mid-i…
View article: Correction: Zavestovskaya et al. Boron Nanoparticle-Enhanced Proton Therapy for Cancer Treatment. Nanomaterials 2023, 13, 2167
Correction: Zavestovskaya et al. Boron Nanoparticle-Enhanced Proton Therapy for Cancer Treatment. Nanomaterials 2023, 13, 2167 Open
In the original publication [...]
View article: Simulating single-photon experiments with a quantum computer
Simulating single-photon experiments with a quantum computer Open
In this work, we simulate the behavior of photons in a laboratory experiment using a quantum computer and examine how the simulation results compare with the theoretical predictions. The experiment involves both protective and non-protecti…
View article: Recent Advances in Upconversion Nanoparticles for Therapeutics: From Fundamentals to Cutting‐Edge Applications
Recent Advances in Upconversion Nanoparticles for Therapeutics: From Fundamentals to Cutting‐Edge Applications Open
Optically responsive composite materials hold significant promise for in vivo diagnostics and targeted therapies. Rare‐earth‐doped upconversion nanoparticles (UCNPs), renowned for their unique luminescence properties, large anti‐Stokes shi…
View article: Oxidative Stress, Hypoxia and Cellular Metabolism: Unraveling the Effects of Fentanyl on Lung Cancer Cells
Oxidative Stress, Hypoxia and Cellular Metabolism: Unraveling the Effects of Fentanyl on Lung Cancer Cells Open
Fentanyl, a widely used opioid analgesic for cancer pain management, is effective but requires cautious administration due to its potential for respiratory depression. Beyond its analgesic properties, fentanyl’s broader impact on cancer bi…
View article: Docetaxel Administration via Novel Hierarchical Nanoparticle Reduces Proinflammatory Cytokine Levels in Prostate Cancer Cells
Docetaxel Administration via Novel Hierarchical Nanoparticle Reduces Proinflammatory Cytokine Levels in Prostate Cancer Cells Open
Background: Docetaxel (Doc) resistance in prostate cancer (CaP) patients is associated with the secretion of proinflammatory cytokines that induce an interaction between tumor cells and macrophages. Tumor cell-derived cytokines released in…
View article: Dynamics of mound repair behavior in termites
Dynamics of mound repair behavior in termites Open
Termites of the species Odontotermes obesus are found widely across the Indian peninsula. Their presence is visible due to the large over-ground mounds that they build across the landscape. These mounds house their entire colony, including…
View article: ER-Localized Ceramide Accumulation Due to Disrupted CERT Transport Contributes to Replicative Senescence
ER-Localized Ceramide Accumulation Due to Disrupted CERT Transport Contributes to Replicative Senescence Open
Ceramides are bioactive sphingolipids that are central to cellular metabolism, signaling, and stress responses. Synthesized de novo in the endoplasmic reticulum (ER) through a tightly regulated enzymatic pathway, ceramides can also be gene…
View article: Direct Measurement of the Singlet Lifetime and Photoexcitation Behavior of the Boron Vacancy Center in Hexagonal Boron Nitride
Direct Measurement of the Singlet Lifetime and Photoexcitation Behavior of the Boron Vacancy Center in Hexagonal Boron Nitride Open
Optically active electronic spin defects in van der Waals (vdW) materials provide a promising platform for quantum sensing, as they can enable shorter standoff distances compared to defects in diamond, leading to sensitivity advantages. Pe…
View article: Simultaneous Incorporation of Magnetic and Plasmonic Nanocrystals in a Chiral Conducting Polymer Yields Unprecedented Magneto‐Optic Response
Simultaneous Incorporation of Magnetic and Plasmonic Nanocrystals in a Chiral Conducting Polymer Yields Unprecedented Magneto‐Optic Response Open
The creation of next‐generation flexible and conformable magneto‐optic (MO) materials with dramatically enhanced Verdet constant will significantly advance technologies, including optical isolation, magnetic quantum spin fluctuation measur…
View article: Prediction of Chronic Kidney Disease using Random Forest, XGBoost and ANN Model
Prediction of Chronic Kidney Disease using Random Forest, XGBoost and ANN Model Open
Chronic Kidney Disease (CKD) is a significant health concern worldwide, characterized by irreversible nephron loss over time. Early and accurate detection is critical. This study employs machine learning algorithms—Random Forest, XGBoost, …
View article: Iron-assisted growth of anisotropic ZnO nanostructures
Iron-assisted growth of anisotropic ZnO nanostructures Open
An iron-assisted anisotropic growth process generates two distinct ZnO-based nanostructures: a hand-shaped morphology and truncated hexagonal nanopyramids, revealing the effects of doping on anisotropic growth of wurtzite-phase nanocrystal…
View article: Transformer Based Architecture for Out of Distribution in Polyp Segmentation
Transformer Based Architecture for Out of Distribution in Polyp Segmentation Open
Accurate and real-time polyp segmentation is critical for early colorectal cancer detection in computeraided diagnosis systems. We propose a novel deep learning-based segmentation model that integrates the strengths of transformer-based gl…
View article: Synthesis, redox exfoliation, and magnetic nanoparticle decoration of VSe<sub>2</sub> and SnSe<sub>2</sub> nanosheets
Synthesis, redox exfoliation, and magnetic nanoparticle decoration of VSe<sub>2</sub> and SnSe<sub>2</sub> nanosheets Open
2H SnSe 2 and 1T VSe 2 van der Waals materials were synthesized and then subjected to redox exfoliation. Decoration of these 2D sheets with iron oxide nanoparticles produced a synergistic magnetization response that exceeded that of iron o…
View article: Study of Adhesive Bonded Joints between Metallic Plates and Composite Laminates
Study of Adhesive Bonded Joints between Metallic Plates and Composite Laminates Open
Many researchers studied influences of various parameters on the failure behavior on the composites. One of the challenges in the analysis and design of bonded joints is the valuation of the stress and strain fields at the adhesive layer a…
View article: Content-Based Image Retrieval and Recommendation Based on User Reviews
Content-Based Image Retrieval and Recommendation Based on User Reviews Open
Effective search functionality is crucial for enhancing user experience and boosting sales on e-commerce sites. However, relying on specific product names instead of common names can cause potential customers to be lost while searching for…
View article: Role of Nocardia sp. bioactives in regulating the key molecular checkpoints in quorum-sensing pathways of P. aeruginosa: application towards improved fabrication of medical devices
Role of Nocardia sp. bioactives in regulating the key molecular checkpoints in quorum-sensing pathways of P. aeruginosa: application towards improved fabrication of medical devices Open
AIM: Understanding the inhibitory role of bioactives from a novel Nocardia sp. against P. aeruginosa's Quorum-Sensing (QS) regulatory pathways and fabrication of effective foley catheters. BACKGROUND: P. aeruginosa‘s antimicrobial resistan…
View article: Modelling and Fabrication of Tri-Head Gantry Crane Model
Modelling and Fabrication of Tri-Head Gantry Crane Model Open
During the manufacturing process, various raw materials and finished goods have to be handled in manufacturing industries. As the shapes and material properties of each raw material / finished good to be handled are different, it gets diff…
View article: Dramatic Enhancement of One and Two Photon-Excited Emission of a Stilbazolium Dye Coupled to Laponite Platelets
Dramatic Enhancement of One and Two Photon-Excited Emission of a Stilbazolium Dye Coupled to Laponite Platelets Open
Natural clays are the oldest example of two-dimensional materials and have been extensively investigated for their structural, morphological, and viscoelastic properties. Although there are reports of optical studies in clay-containing med…
View article: Microbial green synthesis of luminescent terbium sulfide nanoparticles using E. Coli: a rare earth element detoxification mechanism
Microbial green synthesis of luminescent terbium sulfide nanoparticles using E. Coli: a rare earth element detoxification mechanism Open
This high QY and long emission lifetime is unusual in a neat rare-earth compound; it is typically associated with rare-earth ions doped into another crystalline lattice to avoid non-radiative cross relaxation. This suggests a reduced role …
View article: Laser-Ablative Engineering of ZrN-Based Nanoparticles for Photothermal Therapy and SERS-Based Biological Imaging
Laser-Ablative Engineering of ZrN-Based Nanoparticles for Photothermal Therapy and SERS-Based Biological Imaging Open
International audience
View article: Photoluminescence Spectroscopy Sheds New Light on Silicon Microchip Functional Properties
Photoluminescence Spectroscopy Sheds New Light on Silicon Microchip Functional Properties Open
In this study, we demonstrate that photoluminescence spectroscopy probing local interaction and dynamics at the fundamental level is a versatile tool for testing and evaluation of semiconducting materials as well as microscale chips based …
View article: Giant Plasmonic Enhancement of Chiroptical Properties by Anisotropic Gold Nanocrystals Grown In Situ in a Chiral Polymer
Giant Plasmonic Enhancement of Chiroptical Properties by Anisotropic Gold Nanocrystals Grown In Situ in a Chiral Polymer Open
Polymer‐based chiral materials with exceptional optical activity can dramatically impact integrated chiral photonics due to the tunability of their optical responses coupled with ease of fabrication. Realizing these applications requires i…
View article: Initial Experience of NIR-II Fluorescence Imaging-Guided Surgery in Foot and Ankle Surgery
Initial Experience of NIR-II Fluorescence Imaging-Guided Surgery in Foot and Ankle Surgery Open
Optical imaging in the second near-infrared (NIR-II; 900–1880 nm) window is currently a popular research topic in the field of biomedical imaging. This study aimed to explore the application value of NIR-II fluorescence imaging in foot and…
View article: Tip-enhanced Raman scattering and near-field optical imaging of semiconducting monolayer and few-layer MoTe2
Tip-enhanced Raman scattering and near-field optical imaging of semiconducting monolayer and few-layer MoTe2 Open
Transition metal dichalcogenides (TMDs) offer exceptional platforms to study unique phenomena in two-dimensional (2D) materials. The understanding of phonon interactions in atomically thin TMDs is crucial for the development of novel appli…