Facile preparation of polyethyleneimine-conjugated silver sulfide nanoparticles as near-infrared-responsive to sterilization of multidrug resistant uropathogens, and cytotoxicity activity.

Unlabelled: We present the chemical synthesis of polyethyleneimine-conjugated silver sulfide nanoparticles (PEI/AS) utilizing an economical solvothermal synthesis method, aimed at developing effective alternative antibacterial agents. The antibacterial efficacy of the synthesized materials, both with and without the application of near-infrared (NIR) laser irradiation, was evaluated in vitro against two distinct clinically relevant multi-drug-resistant (MDR) uropathogenic strains: and . The bactericidal effects induced by NIR light indicate that the PEI/AS nanoparticles possess an efficiency that is five times greater than that of AgS alone.

Feasible Preparation of Naphthalimide-Functionalized Zeolitic Imidazolate Framework-8 for Control, and Fluorescence Detection of Virus: Optimization of Model Study.

The onset of the coronavirus has highlighted the critical need to swift diagnostic techniques to identify the virus. Metal Organic Frameworks (MOFs) have attracted considerable attention in the field of sensing due to the remarkable characteristics. The present research examines the microwave preparation of naphthalimide-functionalized zeolitic imidazolate framework-8 (NI/ZIF-8) to the detection of coronavirus as a probe.

Preparation of amorphous Nd/Dy-based metal organic framework@MXene for solar driven selective photocatalytic and serving as sensor for fluorescence quenching detection, and biological activity.

The development of a new Neodymium/Dysprosium metal-organic framework, referred to as Nd/Dy-BTC MOF, based on benzene-1,2,4-tricarboxylic acid, has been achieved through an in situ growth process on 2D transition metal carbides (MXene) surfaces. This synthesis was conducted via a solvothermal method utilizing a solvent mixture of water, ethanol, and dimethylformamide. The primary objective of this research is to investigate the framework's efficacy as a photocatalyst for the degradation of anionic dye, as well as its potential for sensing certain explosives.

Synergistic effect of SrTiO/CuFeO/MIL-101(Co) as a MOF composite under Gamma-rays for antimicrobial potential versus bacteria and pathogenic fungi.

The primary emphasis of this study was on the innovative and scientifically valuable hydrothermal synthesis of MIL-101(Co) as a metal-organic framework (MOF) material. Subsequently, the CuFeO was incorporated into the MOF by a reduction-precipitation technique. The SrTiO/CuFeO/MIL-101(Co) composite was synthesized by using hydrothermal in situ growth process.

A review of recent developments in the application of nanostructures for sperm cryopreservation.

In the 1970s, sperm cryopreservation was presented as a unique route to fertility preservation. The ability to cryopreserve sperm from all species is challenging. The sperm cryopreservation process encompasses various cellular stresses such as increased osmotic pressure, ice crystal formation, and thermal shock, therefore decreasing the quality of sperm.

Construction of p-n-p nano heterojunction through coupling LaO, (BiO)CO and AgPO for effective photocatalytic degradation of doxycycline: Insights into mechanism, pathway and intermediate toxicity evaluation.

The present work is centred around the development of LaO/(BiO)CO/AgPO (LBA), a p-n-p nano-heterojunction to photodegrade doxycycline under visible light irradiation. Here, ultrasonication assisted co-precipitation method was employed to synthesize the photocatalyst. The photocatalyst was characterized using different analysis such as SEM, TEM, elemental mapping, XRD, XPS, FTIR, Raman, BET, DRS, PL and EIS which confirmed the successful fabrication of LBA and their excellent ability to refrain the e/h recombination owing to the construction of the heterojunction.

Influence of home bleaching regimen on microhardness and flexural strength of two contemporary composite resins - an in vitro evaluation.

Purpose: This study was to compare and evaluate the effect of home bleaching on the microhardness and flexural strength of microhybrid and nanohybrid composite resins.

Materials And Methods: The study samples were prepared using a custom-made silicon rubber mold. For microhardness evaluation, 40 disc-shaped specimens (4mm*2mm) were prepared and divided into 4 groups: GROUP A (n=10): microhybrid (GC Solaire X, GC Corporation) control group, GROUP B (n=10) nanohybrid (Tetric N Ceram, Ivoclar Vivadent) control group, GROUP C (n=10): microhybrid bleaching group, GROUP D (n=10) nanohybrid bleaching group.

Eco-friendly cubic-ZnS coupled CuS spines on chitosan matrix: Unravelling defect-engineered nanoplatform for the photodegradation of p-chlorophenol.

Novel ZnS-CuS nanohybrid supported on chitosan matrix, as an ideal photocatalyst, was fabricated by the sonochemical method wherein high-resolution transmission electron microscopy (HRTEM) and X-ray powder diffraction (XRD) analysis confirmed the co-existence of both ZnS and CuS; presence of vacancy sites in ZnS was verified by electron paramagnetic resonance (EPR) analysis and their introduction could promote two-photon excitation facilitated visible light response and charge transport/separation. The type II interface is formed in the ZnS-CuS/Chitosan heterojunction owing to interstitial states that promote charge separation. The ZnS-CuS/Chitosan was used for the photodegradation of a pharmaceutical pollutant, p-chlorophenol (PCP); over 98.

Cytopathological study of cutaneous and subcutaneous mycosis presenting as soft-tissue swellings: A 5-year retrospective study from a tertiary care center in South India.

Objectives: Cutaneous and subcutaneous mycosis can mimic skin and soft-tissue neoplasms clinically and pose diagnostic challenge to pathologists on cytology. Since there are a limited number of studies on this topic from South India and etiological agents vary with geographic region, in this paper, we present clinical and cytological features of the same the objective of this study is to review and evaluate clinical and cytological features of subcutaneous and cutaneous mycosis with histopathological correlation wherever available.

Materials And Methods: This was an observational and retrospective study of 5-year duration.

Clinical Outcome of Nonsurgical Root Canal Treatment Using a Matched Single-Cone Obturation Technique with a Calcium Hydroxide-based Sealer: A Retrospective Analysis.

Introduction: The aim of this retrospective study was to estimate the outcome of nonsurgical root canal treatment using matched single-cones with a calcium hydroxide-based sealer and to identify the various prognostic factors influencing the outcome.

Methods: This was a retrospective study that enrolled 272 patients who underwent routine endodontic therapy and were obturated with matched single-cones and Sealapex as sealer. This study involved 223 patients with 261 teeth meeting the selection criteria and recalled between 24 and 84 months.

A network-based pharmacological investigation to identify the mechanistic regulatory pathway of andrographolide against colorectal cancer.

Traditional cancer treatments have posed numerous obstacles, including toxicity, multiple drug resistance, and financial cost. On the contrary, bioactive phytochemicals used in complementary alternative medicine have recently increased attention due to their potential to modulate a wide range of molecular mechanisms with a less toxic effect. Therefore, we investigated the potential regulatory mechanisms of andrographolide to treat colorectal cancer (CRC) using a network pharmacology approach.

Bio-photoelectrochemical degradation, and photocatalysis process by the fabrication of copper oxide/zinc cadmium sulfide heterojunction nanocomposites: Mechanism, microbial community and antifungal analysis.

In this work, the fabrication of the CuO on ZnCdS as a heterojunction nanocomposites were conducted by hydrothermal method and the synthesis method was confirmed by the XRD, XPS, EDS, UV-vis spectrum analysis. The CuO/ZnCdS was used as a photocathode in the bio-photoelectrochemical system (BPES) for tetracycline (TC) degradation under solar irradiation. The CuO/ZnCdS photocathode indicated substantial photocatalytic efficiency for TC degradation, due to the fast separation and transfer of photogenerated carriers.

Synergistic activities of silver indium sulfide/nickel molybdenum sulfide nanostructures anchored on clay mineral for light-driven bactericidal performance, and detection of uric acid from gout patient serum.

In this study, the hydrothermal method was used to synthesis of silver indium sulfide/nickel molybdenum sulfide (AgInS/NiMoS) nanostructure and decorated on Palygorskite (Plg) as an excellent carrier of antibacterial materials. The performance of the prepared AgInS/NiMoS/Plg composites was investigated for light-driven antibacterial process and detection of uric acid from biological samples. The result shows the highest antibacterial activity of the AgInS/NiMoS/Plg with the minimum inhibitory concentrations about 0.

EGFR-Based Targeted Therapy for Colorectal Cancer-Promises and Challenges.

Colorectal carcinoma (CRC) is the most lethal and common form of cancer in the world. It was responsible for almost 881,000 cancer deaths in 2018. Approximately 25% of cases are diagnosed at advanced stages with metastasis-this poses challenges for effective surgical control and future tumor-related mortality.

Designing novel MgFeO coupled VO nanorod for synergetic photodegradation of tetracycline with enhanced visible-light energy harvesting: Photoluminescence, kinetics, intrinsic mechanism and bactericidal effect.

The present study focused on the enhancement of degradation of an important pharmaceutical pollutant, tetracycline with the help of nano photocatalyst under visible light irradiation. The study found that the synergetic effect of novel MgFeO-VO enhanced the photocatalytic degradation of tetracycline. Here, the photocatalyst was synthesized by sonochemical technique.

Ag doped SnO nanostructure and immobilized on hyperbranched polypyrrole for visible light sensitized photocatalytic, antibacterial agent and microbial detection process.

Ag doped SnO Nanostructure and immobilized on hyperbranched polypyrrole is investigated in this project. The product was synthesized by the hydrothermal synthesis method. The surface and structural characteristics of the product was studied by different instrumental analysis.

CuO loaded ZnS nanoflower entrapped on PVA-chitosan matrix for boosted visible light photocatalysis for tetracycline degradation and anti-bacterial application.

Novel photocatalyst CuO loaded ZnS nanoflower supported on carbon frame work PVA/Chitosan was synthesized by co-precipitation and ultrasonic assisted method. The co-existence of ZnS and CuO and its crystallinity in nanohybrid was verified by XRD, SAED and HR-TEM analysis. The availability of defects in ZnS was identified by EPR.

Fabrication of CuMoS decorated WO nano heterojunction embedded on chitosan: Robust photocatalytic efficiency, antibacterial performance, and bacteria detection by peroxidase activity.

In this study, the CuMoS/WO supported on chitosan was prepared by precipitation method, and applied to photocatalyst, antibacterial agent and biosensor. The presence of WO and CuMoS crystals were confirmed by XRD analysis. The elemental information was investigated by EDS.

identification of potential inhibitors against main protease of SARS-CoV-2 6LU7 from via molecular docking, binding energy calculations and molecular dynamics simulation studies.

Background: The ongoing global outbreak of new corona virus (SARS-CoV-2) has been recognized as global public health concern since it causes high morbidity and mortality every day. Due to the rapid spreading and re-emerging, we need to find a potent drug against SARS-CoV-2. Synthetic drugs, such as hydroxychloroquine, remdisivir have paid more attention and the effects of these drugs are still under investigation, due to their severe side effects.

Synthesis and characterizations of hybrid PEG-FeO nanoparticles for the efficient adsorptive removal of dye and antibacterial, and antibiofilm applications.

Purpose: Dyes are highly toxic coloured compounds in nature that are largely applied in paper, food, textile and printing industries. Here, the adsorption technique was performed to remove methyl orange (MO) dye from water by polyethylene glycol (PEG) modified iron oxide nanoparticles (FeO NPs).

Methods: The method used for FeO NPs synthesis was chemical precipitation.

Cytotoxicological evaluation of copper oxide nanoparticles on green algae, bacteria and crustacean systems.

Purpose: Copper oxide (CuO) nanoparticles (NPs) have been utilized in several industries including textile, consumer products, medical, automobiles etc. The discharge of industrial effluents in environment increased the probability of CuO NPs contamination in the ecosystem.

Methods: The present investigation used CuO NPs to determine the toxic effect on species, fresh water algae isolated from natural pond, bacterial species and and a crustacean species .

Impact of bovine serum albumin - A protein corona on toxicity of ZnO NPs in environmental model systems of plant, bacteria, algae and crustaceans.

Zinc oxide nanoparticles (ZnO NPs) are widely applied in industrial, household and medical areas that lead to its discharge and accumulation in ecosystem. Here, the toxic effect of ZnO NPs in presence and absence of bovine serum albumin (BSA) was analyzed. The difference in toxicity of bare ZnO and BSA interacted ZnO was studied with different environmental models.

Shrimp shells extracted chitin in silver nanoparticle synthesis: Expanding its prophecy towards anticancer activity in human hepatocellular carcinoma HepG2 cells.

In this study, a well-organized, simplistic, and biological route of AgNPs (AgNPs) was synthesized using shrimp shell extracted chitin as reducing, capping and stabilizing factor under the optimized conditions. Also, the anticancer potential of synthesized biogenic AgNPs was evaluated against human hepatocarcinoma (HepG2) cells. Ultraviolet visible spectroscopy (UV-Vis spec) study indicated that the development of AgNPs present in the colloidal solution was single peak at 446 nm.

A potent multifunctional Ag/Co-polyvinylpyrrolidone nanocomposite for enhanced detection of Cr(III) from environmental samples and its photocatalytic and antibacterial applications.

Trivalent chromium (Cr(III)) is considered to exhibit hormesis (bi-phasic dose-response) property, where low dose be beneficial and high dose shows toxic effect. The present work describe the development of a bimetallic Ag/Co-polyvinylpyrrolidone nanocomposite (Ag/Co-PVP NPs) probe to detect and quantify Cr(III) ions from aqueous samples. The hydrodynamic size and zeta potential of the particle was determined to be 29 ± 1.