Paresh Chandra Ray
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View article: GRAYU: Graph-based Database integrating Ayurvedic formulations, medicinal plants, phytochemicals and diseases
GRAYU: Graph-based Database integrating Ayurvedic formulations, medicinal plants, phytochemicals and diseases Open
The translation of India’s extensive traditional knowledge on indigenous medicinal plants into modern therapeutic solutions is contingent upon a systematic framework. While traditional Indian medicine offers a rich source of therapeutic le…
View article: Cooperative molecular interaction-based highly efficient capturing of ultrashort- and short-chain emerging per- and polyfluoroalkyl substances using multifunctional nanoadsorbents
Cooperative molecular interaction-based highly efficient capturing of ultrashort- and short-chain emerging per- and polyfluoroalkyl substances using multifunctional nanoadsorbents Open
The short-chain and ultrashort-chain per- and polyfluoroalkyl substances are bioaccumulative, carcinogenic to humans, and harder to remove using current technologies. Herein, we report the development of nonafluorobutane-sulfonyl and polye…
View article: Graphene-coated sand for enhanced water reuse : impact on water quality and chemicals of emerging concern
Graphene-coated sand for enhanced water reuse : impact on water quality and chemicals of emerging concern Open
This paper investigates the potential of graphene-coated sand as an advanced filtration medium for improving water quality and mitigating chemicals of emerging concern in treated municipal wastewater, aiming to enhance water reuse. The stu…
View article: Manipulating Photocatalytic Oxidation Reaction Selectivity and Pathway by Simultaneous Harvesting of Ag<sup>+</sup>, Hot Holes, and Reactive Oxygen Species
Manipulating Photocatalytic Oxidation Reaction Selectivity and Pathway by Simultaneous Harvesting of Ag<sup>+</sup>, Hot Holes, and Reactive Oxygen Species Open
Although Plasmon‐based photocatalyst has been employed for designing novel molecules, achieving control over the reaction selectivity has remained a challenge. Herein, the control unravels over the photocatalytic selective oxidation reacti…
View article: Insight into the Photocatalytic Degradation Mechanism for “Forever Chemicals” PFNA by Reduced Graphene Oxide/WO<sub>3</sub> Nanoflower Heterostructures
Insight into the Photocatalytic Degradation Mechanism for “Forever Chemicals” PFNA by Reduced Graphene Oxide/WO<sub>3</sub> Nanoflower Heterostructures Open
Water contamination with "forever chemicals" like per- and polyfluoroalkyl substances (PFAS) poses significant toxicity to the environment. Since they are the most persistent synthetic chemicals that hardly degrade in the natural environme…
View article: Cooperative Molecular Interaction-Based Highly Efficient Capturing of Ultrashort- and Short-Chain Emerging Per- and Polyfluoroalkyl Substances Using Multifunctional Nanoadsorbents
Cooperative Molecular Interaction-Based Highly Efficient Capturing of Ultrashort- and Short-Chain Emerging Per- and Polyfluoroalkyl Substances Using Multifunctional Nanoadsorbents Open
The short-chain (C4 to C7) and ultrashort-chain (C3 to C2) per- and polyfluoroalkyl substances (PFAS) are bioaccumulative, carcinogenic to humans, and harder to remove using current technologies,…
View article: Sunlight-Driven Photothermally Boosted Photocatalytic Eradication of Superbugs Using a Plasmonic Gold Nanoparticle-Decorated WO<sub>3</sub> Nanowire-Based Heterojunction
Sunlight-Driven Photothermally Boosted Photocatalytic Eradication of Superbugs Using a Plasmonic Gold Nanoparticle-Decorated WO<sub>3</sub> Nanowire-Based Heterojunction Open
Superbug infections are currently one of the biggest global health problems in our society. Herein, we report the design of a plasmonic gold nanoparticle (GNP)-decorated WO3 nanowire-based heterojunction for the proficient usage…
View article: 2D fluorinated graphene oxide (FGO)-polyethyleneimine (PEI) based 3D porous nanoplatform for effective removal of forever toxic chemicals, pharmaceutical toxins, and waterborne pathogens from environmental water samples
2D fluorinated graphene oxide (FGO)-polyethyleneimine (PEI) based 3D porous nanoplatform for effective removal of forever toxic chemicals, pharmaceutical toxins, and waterborne pathogens from environmental water samples Open
Although water is essential for life, as per the United Nations, around 2 billion people in this world lack access to safely managed drinking water services at home. Herein we report the development of a two-dimensional (2D) fluorinated gr…
View article: Effects of Surface Area and Particle Size of Graphite and Graphene Nanoplatelets on Their Oxidation and Subsequent Use in the Modification of Asphalt Binder
Effects of Surface Area and Particle Size of Graphite and Graphene Nanoplatelets on Their Oxidation and Subsequent Use in the Modification of Asphalt Binder Open
Graphene oxide (GO) has gained significant attention for its unique physical and chemical properties. GO finds application in a wide range of fields, including biomedicine, electronics, energy, and the environment. It also plays a signific…
View article: Aspect ratio and quantum confinement tunable giant Two-Photon absorption from 1D CsPbI3 perovskite nanorods
Aspect ratio and quantum confinement tunable giant Two-Photon absorption from 1D CsPbI3 perovskite nanorods Open
View article: 2D Fluorinated Graphene Oxide (FGO)-Polyethyleneimine (PEI) Based 3D Porous Nanoplatform for Effective Removal of Forever Toxic Chemicals, Pharmaceutical Toxins, and Waterborne Pathogens from Environmental Water Samples
2D Fluorinated Graphene Oxide (FGO)-Polyethyleneimine (PEI) Based 3D Porous Nanoplatform for Effective Removal of Forever Toxic Chemicals, Pharmaceutical Toxins, and Waterborne Pathogens from Environmental Water Samples Open
Although water is essential for life, as per the United Nations, around 2 billion people in this world lack access to safely managed drinking water services at home. Herein we report the development of a two-dimensional (2D) fluorinated gr…
View article: Ultrahigh Capacitive Energy Density in Stratified 2D Nanofiller-Based Polymer Dielectric Films
Ultrahigh Capacitive Energy Density in Stratified 2D Nanofiller-Based Polymer Dielectric Films Open
Dielectric capacitors are critical components in electronics and energy storage devices. The polymer-based dielectric capacitors have the advantages of device flexibility, fast charge-discharge rates, low loss, and graceful failure. Elevat…
View article: Light-Induced Wavelength Dependent Self Assembly Process for Targeted Synthesis of Phase Stable 1D Nanobelts and 2D Nanoplatelets of CsPbI<sub>3</sub> Perovskites
Light-Induced Wavelength Dependent Self Assembly Process for Targeted Synthesis of Phase Stable 1D Nanobelts and 2D Nanoplatelets of CsPbI<sub>3</sub> Perovskites Open
Despite black cubic phase α-CsPbI3 nanocrystals having an ideal bandgap of 1.73 eV for optoelectronic applications, the phase transition from α-CsPbI3 to non-perovskite yellow δ-CsPbI3 phase at room tempera…
View article: High Energy Density in layered 2D Nanomaterial based Polymer Dielectric Films
High Energy Density in layered 2D Nanomaterial based Polymer Dielectric Films Open
Dielectric capacitors are critical components in electronics and energy storage devices. The polymer based dielectric capacitors have advantages of flexibility, fast charge and discharge, low loss, and graceful failure. Elevating the use o…
View article: Bio-Conjugated Magnetic-Fluorescence Nanoarchitectures for the Capture and Identification of Lung-Tumor-Derived Programmed Cell Death Lighand 1-Positive Exosomes
Bio-Conjugated Magnetic-Fluorescence Nanoarchitectures for the Capture and Identification of Lung-Tumor-Derived Programmed Cell Death Lighand 1-Positive Exosomes Open
As per the American Cancer Society, lung cancer is the leading cause of cancer-related death worldwide. Since the accumulation of exosomal programmed cell death ligand 1 (PD-L1) is associated with therapeutic resistance in programmed cell …
View article: Blocking SARS-CoV-2 Delta Variant (B.1.617.2) Spike Protein Receptor-Binding Domain Binding with the ACE2 Receptor of the Host Cell and Inhibiting Virus Infections Using Human Host Defense Peptide-Conjugated Graphene Quantum Dots
Blocking SARS-CoV-2 Delta Variant (B.1.617.2) Spike Protein Receptor-Binding Domain Binding with the ACE2 Receptor of the Host Cell and Inhibiting Virus Infections Using Human Host Defense Peptide-Conjugated Graphene Quantum Dots Open
The emergence of double mutation delta (B.1.617.2) variants has dropped vaccine effectiveness against SARS-CoV-2 infection. Although COVID-19 is responsible for more than 5.4 M deaths till now, more than 40% of infected individuals are asy…
View article: Bioconjugated Nanomaterial for Targeted Diagnosis of SARS-CoV-2
Bioconjugated Nanomaterial for Targeted Diagnosis of SARS-CoV-2 Open
Infectious diseases by pathogenic microorganisms are one of the leading causes of mortality worldwide. Healthcare and socio-economic development have been seriously affected for different civilizations because of bacterial and viral infect…
View article: (FA<sub>0.83</sub>MA<sub>0.17</sub>)<sub>0.95</sub>Cs<sub>0.05</sub>Pb(I<sub>0.83</sub>Br<sub>0.17</sub>)<sub>3</sub> Perovskite Films Prepared by Solvent Volatilization for High‐Efficiency Solar Cells
(FA<sub>0.83</sub>MA<sub>0.17</sub>)<sub>0.95</sub>Cs<sub>0.05</sub>Pb(I<sub>0.83</sub>Br<sub>0.17</sub>)<sub>3</sub> Perovskite Films Prepared by Solvent Volatilization for High‐Efficiency Solar Cells Open
Perovskite solar cells (PSCs) have attracted significant research efforts due to their remarkable performance. However, most perovskite films are prepared by the antisolvent method which is not suitable for practical applications. Herein, …
View article: Advances in Our Understanding of the Molecular Mechanisms of Action of Cisplatin in Cancer Therapy
Advances in Our Understanding of the Molecular Mechanisms of Action of Cisplatin in Cancer Therapy Open
Cisplatin and other platinum-based chemotherapeutic drugs have been used extensively for the treatment of human cancers such as bladder, blood, breast, cervical, esophageal, head and neck, lung, ovarian, testicular cancers, and sarcoma. Ci…
View article: Aptamer Conjugated Gold Nanostar-Based Distance-Dependent Nanoparticle Surface Energy Transfer Spectroscopy for Ultrasensitive Detection and Inactivation of Corona Virus
Aptamer Conjugated Gold Nanostar-Based Distance-Dependent Nanoparticle Surface Energy Transfer Spectroscopy for Ultrasensitive Detection and Inactivation of Corona Virus Open
The ongoing outbreak of the coronavirus infection has killed more than 2 million people. Herein, we demonstrate that Rhodamine 6G (Rh-6G) dye conjugated DNA aptamer-attached gold nanostar (GNS)-based distance-dependent nanoparticle surface…
View article: The rapid diagnosis and effective inhibition of coronavirus using spike antibody attached gold nanoparticles
The rapid diagnosis and effective inhibition of coronavirus using spike antibody attached gold nanoparticles Open
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the cause of the coronavirus disease that began in 2019 (COVID-19), has been responsible for 1.4 million deaths worldwide as of 13 November 2020.
View article: Water Triggered Synthesis of Highly Stable and Biocompatible 1D Nanowire, 2D Nanoplatelet, and 3D Nanocube CsPbBr<sub>3</sub> Perovskites for Multicolor Two-Photon Cell Imaging
Water Triggered Synthesis of Highly Stable and Biocompatible 1D Nanowire, 2D Nanoplatelet, and 3D Nanocube CsPbBr<sub>3</sub> Perovskites for Multicolor Two-Photon Cell Imaging Open
Two-photon imaging in the near-infrared window holds huge promise for real life biological imaging due to the increased penetration depth. All-inorganic CsPbX3 nanocrystals with bright luminescence and broad spectral tunability …
View article: Mixed-Dimensional Heterostructure Material-Based SERS for Trace Level Identification of Breast Cancer-Derived Exosomes
Mixed-Dimensional Heterostructure Material-Based SERS for Trace Level Identification of Breast Cancer-Derived Exosomes Open
Raman spectroscopy has capability for fingerprint molecular identification with high sensitivity if weak Raman scattering signal can be enhanced by several orders of magnitudes. Herein, we report a heterostructure-based surface-enhanced Ra…
View article: Intrinsic Photoconductivity of Few-layered ZrS2 Phototransistors via Multiterminal Measurements
Intrinsic Photoconductivity of Few-layered ZrS2 Phototransistors via Multiterminal Measurements Open
We report intrinsic photoconductivity studies on one of the least examinedlayered compounds, ZrS2.Few-atomic layer ZrS2 field-effect transistorswere fabricated on the Si/SiO2 substrate and photoconductivity measurements were performed usin…
View article: 2D and Heterostructure Nanomaterial Based Strategies for Combating Drug-Resistant Bacteria
2D and Heterostructure Nanomaterial Based Strategies for Combating Drug-Resistant Bacteria Open
In the last three decades, there has been a huge increase in the number of antibiotic-resistant bacterial strains, which is becoming a serious threat to public health. Since the discovery of new effective antibiotics has dramatically decre…
View article: A WS<sub>2</sub>-gold nanoparticle heterostructure-based novel SERS platform for the rapid identification of antibiotic-resistant pathogens
A WS<sub>2</sub>-gold nanoparticle heterostructure-based novel SERS platform for the rapid identification of antibiotic-resistant pathogens Open
The emergence of antibiotic-resistant bacteria is the biggest threat to our society.
View article: High broadband photoconductivity of few-layered MoS<sub>2</sub>field-effect transistors measured using multi-terminal methods: effects of contact resistance
High broadband photoconductivity of few-layered MoS<sub>2</sub>field-effect transistors measured using multi-terminal methods: effects of contact resistance Open
Among layered 2D semiconductors, MoS2 is an excellent candidate for applications in optoelectronics and integrated circuits due to its layer-dependent tunable bandgap, high ON/OFF current ratio in FETs and strong light–matter in…
View article: Spectroscopy of $^{196}$Hg using Digital INGA at VECC, Kolkata
Spectroscopy of $^{196}$Hg using Digital INGA at VECC, Kolkata Open
Spectroscopic investigation of the $^{196}$Hg (Z=80, N=116) was carried out using the Indian National Gamma Array (INGA) setup at the Variable Energy Cyclotron Centre (VECC), Kolkata. Analysis of the acquired data led to the identification…
View article: Giant Chemical and Excellent Synergistic Raman Enhancement from a 3D MoS<sub>2–<i>x</i></sub>O<sub><i>x</i></sub>–Gold Nanoparticle Hybrid
Giant Chemical and Excellent Synergistic Raman Enhancement from a 3D MoS<sub>2–<i>x</i></sub>O<sub><i>x</i></sub>–Gold Nanoparticle Hybrid Open
Raman spectroscopy fingerprinting features many technological applications. For this purpose, the weak Raman signals need to be boosted dramatically by surface-enhanced Raman spectroscopy (SERS), which provides immense Raman enhancement vi…
View article: Designing highly crystalline multifunctional multicolor-luminescence nanosystem for tracking breast cancer heterogeneity
Designing highly crystalline multifunctional multicolor-luminescence nanosystem for tracking breast cancer heterogeneity Open
Fruit based nanosystem can identify triple negative breast cancer cells.