Karthik Shankar
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View article: Ayurvedic management for Epidermolysis bullosa - A case report
Ayurvedic management for Epidermolysis bullosa - A case report Open
Epidermolysis bullosa (EB) is an inherited or auto-immunity-mediated, heterogeneous group of rare genetic dermatoses characterized by fragile skin and mucosae with blister formation induced by minimal trauma. Junctional Epidermolysis Bullo…
View article: Bismuth oxyhalide-based 2D–2D van der Waals heterojunctions (vDWHs) for the production of solar fuels
Bismuth oxyhalide-based 2D–2D van der Waals heterojunctions (vDWHs) for the production of solar fuels Open
The quest for cleaner and more carbon-neutral alternative approaches for energy production has been a key focus of research for the scientific community over the past few decades in response to ever increasing global energy demand and the …
View article: Platinum‐Doped Carbon Nitride‐Loaded Poly( <i>N</i> ‐Isopropylacrylamide) Hydrogel Thin Films for Green Hydrogen Production Systems: Morphological Study for Higher Efficiency
Platinum‐Doped Carbon Nitride‐Loaded Poly( <i>N</i> ‐Isopropylacrylamide) Hydrogel Thin Films for Green Hydrogen Production Systems: Morphological Study for Higher Efficiency Open
Photocatalytic water splitting enables the generation of green hydrogen (H 2 ). In this framework, water and sunlight are the sustainable sources. Photocatalyst‐loaded hydrogel materials have already shown their potential as a water storag…
View article: Atums Green Conjugated Polymer Heterojunction Films as Blue-Sensitive Photodiodes
Atums Green Conjugated Polymer Heterojunction Films as Blue-Sensitive Photodiodes Open
Conjugated polymers (CPs) offer many attractive features for photodiodes and photovoltaics, including solution processability, ease of scale-up, light weight, low cost, and mechanical flexibility. CPs have a wide range of energy gaps; thus…
View article: Functional group chemistry as a determinant of graphitic carbon nitride nanosheet dispersibility: A molecular dynamics study
Functional group chemistry as a determinant of graphitic carbon nitride nanosheet dispersibility: A molecular dynamics study Open
View article: Bimetallic AuPd alloy nanoparticles on TiO<sub>2</sub> nanotube arrays: a highly efficient photocatalyst for hydrogen generation
Bimetallic AuPd alloy nanoparticles on TiO<sub>2</sub> nanotube arrays: a highly efficient photocatalyst for hydrogen generation Open
Decoration of TiO 2 nanotube (TNT) arrays by AuPd nanoparticles (NPs) produces a dramatic enhancement in the rate of hydrogen generation through photocatalytic water-splitting under solar illumination. XRD and TEM confirmed alloy formation…
View article: Functional Group Chemistry as a Determinant of Graphitic Carbon Nitride Nanosheet Dispersibility: A Molecular Dynamics Study
Functional Group Chemistry as a Determinant of Graphitic Carbon Nitride Nanosheet Dispersibility: A Molecular Dynamics Study Open
View article: Plasmon-enhanced organic field effect transistors
Plasmon-enhanced organic field effect transistors Open
The integration of plasmonic nanoparticles into the channel or gate dielectric of organic field effect transistors enables enhanced functionality and performance in a range of optoelectronic applications.
View article: Rare Diagnosis of Localized Breast Amyloidosis in the Setting of Lymphoplasmacytic Lymphoma
Rare Diagnosis of Localized Breast Amyloidosis in the Setting of Lymphoplasmacytic Lymphoma Open
Breast amyloidosis is a rare diagnosis that should be considered when patients present with a breast mass. This case emphasizes the importance of a full diagnostic workup when breast amyloidosis is diagnosed to rule out systemic amyloidosi…
View article: Photoelectrochemical Response of Tin Iodide Phosphide (SnIP) Composites with MoSe<sub>2</sub>, MoS<sub>2</sub>, and h‐BN
Photoelectrochemical Response of Tin Iodide Phosphide (SnIP) Composites with MoSe<sub>2</sub>, MoS<sub>2</sub>, and h‐BN Open
For a future world fuelled by green energy it is invaluable to develop, test and maximise the catalytic efficiency of new effective water‐splitting materials. In this paper, we further explore the catalytic activity of double‐helical tin i…
View article: Analyte-dependent Rabi splitting in solid-state plexcitonic sensors based on plasmonic nanoislands strongly coupled to J-aggregates
Analyte-dependent Rabi splitting in solid-state plexcitonic sensors based on plasmonic nanoislands strongly coupled to J-aggregates Open
A key challenge in the field of plexcitonic quantum devices is the fabrication of solid-state, device-friendly plexcitonic nanostructures using inexpensive and scalable techniques. Lithography-free, bottom-up nanofabrication methods have r…
View article: Sponge-shaped Au nanoparticles: a stand-alone metallic photocatalyst for driving the light-induced CO<sub>2</sub> reduction reaction
Sponge-shaped Au nanoparticles: a stand-alone metallic photocatalyst for driving the light-induced CO<sub>2</sub> reduction reaction Open
Coinage metal nanoparticles (NPs) enable plasmonic catalysis by generating hot carriers that drive chemical reactions. Making NPs porous enhances the adsorption of reactant molecules. We present a dewetting and dealloying strategy to fabri…
View article: Raman Spectroscopy Reveals Photobiomodulation-Induced α-Helix to β-Sheet Transition in Tubulins: Potential Implications for Alzheimer’s and Other Neurodegenerative Diseases
Raman Spectroscopy Reveals Photobiomodulation-Induced α-Helix to β-Sheet Transition in Tubulins: Potential Implications for Alzheimer’s and Other Neurodegenerative Diseases Open
In small clinical studies, the application of transcranial photobiomodulation (PBM), which typically delivers low-intensity near-infrared (NIR) to treat the brain, has led to some remarkable results in the treatment of dementia and several…
View article: Measurement and Characterization of the Electrical Properties of Actin Filaments
Measurement and Characterization of the Electrical Properties of Actin Filaments Open
Actin filaments, as key components of the cytoskeleton, have aroused great interest due to their numerous functional roles in eukaryotic cells, including intracellular electrical signaling. The aim of this research is to characterize the a…
View article: Ultrasensitive detection of Ag<sup>+</sup> and Ce<sup>3+</sup> ions using highly fluorescent carboxyl-functionalized carbon nitride nanoparticles
Ultrasensitive detection of Ag<sup>+</sup> and Ce<sup>3+</sup> ions using highly fluorescent carboxyl-functionalized carbon nitride nanoparticles Open
The fluorescence quenching of carboxyl-rich g-C 3 N 4 nanoparticles was found to be selective to Ag + and Ce 3+ with a limit of detection as low as 30 pM for Ag + ions. A solid-state thermal polycondensation reaction was used to produce g-…
View article: A Presentation of Babesiosis in the Setting of Low-Grade Follicular B-cell Lymphoma
A Presentation of Babesiosis in the Setting of Low-Grade Follicular B-cell Lymphoma Open
View article: Raman Spectroscopy Data for Polymerized Tubulin Samples in Solution: Unexposed vs. Near-Infrared Exposed
Raman Spectroscopy Data for Polymerized Tubulin Samples in Solution: Unexposed vs. Near-Infrared Exposed Open
Raw data obtained in our Raman spectroscopic analysis of polymerized tubulin samples both unexposed and exposed to pulsed low-intensity NIR radiation (810 nm, 10 Hz, 22.5 J/cm2 dose).
View article: Impact of Immune-Related Adverse Events on Survival in Patients with Advanced Non-Small Cell Lung Cancer Treated with Immune Checkpoint Inhibitors: A Real-World Perspective
Impact of Immune-Related Adverse Events on Survival in Patients with Advanced Non-Small Cell Lung Cancer Treated with Immune Checkpoint Inhibitors: A Real-World Perspective Open
View article: Enhancement in the Rate of CO<sub>2</sub> Photoreduction Using Divalent Strontium Cation (Sr<sup>2+</sup>) Doped TiO<sub>2</sub> Nanotube Arrays
Enhancement in the Rate of CO<sub>2</sub> Photoreduction Using Divalent Strontium Cation (Sr<sup>2+</sup>) Doped TiO<sub>2</sub> Nanotube Arrays Open
We explored the selective surface doping of anodically formed TiO 2 nanotube arrays (TNTAs) with divalent Sr 2+ cations using an electrochemical cathodization process in order to modify the basicity of the surface and modify the interactio…
View article: Radial Nano-Heterojunctions Consisting of CdS Nanorods Wrapped by 2D CN:PDI Polymer with Deep HOMO for Photo-Oxidative Water Splitting, Dye Degradation and Alcohol Oxidation
Radial Nano-Heterojunctions Consisting of CdS Nanorods Wrapped by 2D CN:PDI Polymer with Deep HOMO for Photo-Oxidative Water Splitting, Dye Degradation and Alcohol Oxidation Open
Solar energy harvesting using semiconductor photocatalysis offers an enticing solution to two of the biggest societal challenges, energy scarcity and environmental pollution. After decades of effort, no photocatalyst exists which can simul…
View article: Probe sonication-assisted rapid synthesis of highly fluorescent sulfur quantum dots
Probe sonication-assisted rapid synthesis of highly fluorescent sulfur quantum dots Open
A new type of heavy-metal free single-element nanomaterial, called sulfur quantum dots (SQDs), has gained significant attention due to its advantages over traditional semiconductor QDs for several biomedical and optoelectronic applications…
View article: Insights into the Machine Learning Predictions of the Optical Response of Plasmon@Semiconductor Core-Shell Nanocylinders
Insights into the Machine Learning Predictions of the Optical Response of Plasmon@Semiconductor Core-Shell Nanocylinders Open
The application domain of deep learning (DL) has been extended into the realm of nanomaterials, photochemistry, and optoelectronics research. Here, we used the combination of a computer vision technique, namely convolutional neural network…
View article: Enhanced luminescence sensing performance and increased intrachain order in blended films of P3HT and cellulose nanocrystals
Enhanced luminescence sensing performance and increased intrachain order in blended films of P3HT and cellulose nanocrystals Open
Blended films comprising poly(butyl acrylate) (PBA)-grafted cellulose nanocrystals (CNCs) and poly(3-hexylthiophene) (P3HT), exhibited more intense photoluminescence (PL) and longer PL emission lifetimes compared to pristine P3HT films. Op…
View article: The distinguishing electrical properties of cancer cells
The distinguishing electrical properties of cancer cells Open
In recent decades, medical research has been primarily focused on the inherited aspect of cancers, despite the reality that only 5-10% of tumours discovered are derived from genetic causes. Cancer is a broad term, and therefore it is inacc…
View article: Air- and water-stable halide perovskite nanocrystals protected with nearly-monolayer carbon nitride for CO2 photoreduction and water splitting
Air- and water-stable halide perovskite nanocrystals protected with nearly-monolayer carbon nitride for CO2 photoreduction and water splitting Open
Halide perovskites are exciting candidates for broad-spectrum photocatalysts but have the problem of ambient stability. Protective shells of oxides and polymers around halide perovskite nano- and micro-crystals provide a measure of chemica…
View article: Instantaneous Property Prediction and Inverse Design of Plasmonic Nanostructures Using Machine Learning: Current Applications and Future Directions
Instantaneous Property Prediction and Inverse Design of Plasmonic Nanostructures Using Machine Learning: Current Applications and Future Directions Open
Advances in plasmonic materials and devices have given rise to a variety of applications in photocatalysis, microscopy, nanophotonics, and metastructures. With the advent of computing power and artificial neural networks, the characterizat…
View article: An Internal Review of Rates of Palliative Medicine Referral for Patients With Advanced Pancreatic Cancer
An Internal Review of Rates of Palliative Medicine Referral for Patients With Advanced Pancreatic Cancer Open
Background The American Society of Clinical Oncology recommends that patients with advanced cancer receive palliative care services in concurrence with active treatment. While the benefits of palliative care are clear, integration of palli…
View article: TiO2-HfN Radial Nano-Heterojunction: A Hot Carrier Photoanode for Sunlight-Driven Water-Splitting
TiO2-HfN Radial Nano-Heterojunction: A Hot Carrier Photoanode for Sunlight-Driven Water-Splitting Open
The lack of active, stable, earth-abundant, and visible-light absorbing materials to replace plasmonic noble metals is a critical obstacle for researchers in developing highly efficient and cost-effective photocatalytic systems. Herein, a …
View article: A Case of COVID-19 Induced Thrombotic Thrombocytopenic Purpura
A Case of COVID-19 Induced Thrombotic Thrombocytopenic Purpura Open
View article: Hot Electrons in TiO2–Noble Metal Nano-Heterojunctions: Fundamental Science and Applications in Photocatalysis
Hot Electrons in TiO2–Noble Metal Nano-Heterojunctions: Fundamental Science and Applications in Photocatalysis Open
Plasmonic photocatalysis enables innovation by harnessing photonic energy across a broad swathe of the solar spectrum to drive chemical reactions. This review provides a comprehensive summary of the latest developments and issues for advan…