602 results match your criteria: "St. Joseph's College[Affiliation]"

Detecting brain tumours (BT) early improves treatment possibilities and increases patient survival rates. Magnetic resonance imaging (MRI) scanning offers more comprehensive information, such as better contrast and clarity, than any alternative scanning process. Manually separating BTs from several MRI images gathered in medical practice for cancer analysis is challenging and time-consuming.

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The technique of using naturally occurring light-emitting reactants (photoproteins and luciferases] that have been extracted from a wide range of animals is known as bioluminescence imaging, or BLI. This imaging offers important details on the location and functional state of regenerative cells inserted into various disease-modeling animals. Reports on gene expression patterns, cell motions, and even the actions of individual biomolecules in whole tissues and live animals have all been made possible by bioluminescence.

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Teff (Eragrostis tef) phytochemicals: Isolation, identification, and assessment of allelopathic and antimicrobial potential for pollution control and environmental sustainability.

Microb Pathog

December 2024

Department of Biotechnology, St. Joseph's College of Engineering, Chennai, 6000119, India; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, Republic of Korea. Electronic address:

Setaria pumila (SP) and latuca sativa are the prominent teff (Eragrostis tef) weeds negatively impacting yield. The allelopathic (weed-suppressing) effects of ten teff varieties were examined for plant growth inhibitory effects, as well as for antagonism against certain major plant infections caused by bacteria and their subsequent antioxidant properties. The in vitro germination and antimicrobial assays were carried out in controlled laboratory settings.

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Synthesis of nanocellulose from Acalypha hispida leaves through enzymatic hydrolysis.

Int J Biol Macromol

December 2024

Department of Chemistry, St. Joseph's College, Irinjalakuda, Thrissur, Kerala 680 121, India; Department of Chemistry, St. Aloysius College, Elthuruth, Thrissur, Kerala 680 611, India. Electronic address:

Article Synopsis
  • The research focuses on using enzyme-hydrolysis of Acalypha hispida plant leaves to create nanocellulose, showcasing its eco-friendly and biocompatible benefits.
  • The enzyme used, xylanase, was sourced from Bacillus pumilus and shown to effectively hydrolyze xylan, leading to the successful synthesis of enzyme-hydrolyzed nanocellulose (EHNC).
  • The produced EHNC has desirable properties like small particle size (15-40 nm) and low production cost, indicating its potential for efficient and sustainable applications in advanced materials.
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Metal-based nanoparticles have been extensively researched for their distinctive characteristics. Among them, zinc oxide nanoparticles have numerous applications in the field of biomedicine. The phytoextract of Ixora coccinea flowers was used in the synthesis of ZnO nanoparticles replacing the use of harmful reducing chemicals.

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Impact of Shock Compression on the Photovoltaic Performance of NiCoO Nanoparticles.

Luminescence

December 2024

Department of Pharmacology, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.

Article Synopsis
  • Nickel cobaltite (NC) nanoparticles were created using a sol-gel method and heated to 600°C, leading to structural changes identified through X-ray diffraction.
  • Spectroscopic analysis revealed modifications in the material's optical properties, with an increased bandgap following shockwave treatment, enhancing its potential for use in optoelectronic devices.
  • Magnetic studies indicated that the shock-treated nanoparticles exhibited improved magnetic properties, suggesting they could be beneficial for applications in magnetic storage as well as in energy systems like photovoltaics and spintronics.
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The National Education Policy 2020 (NEP 2020) marks a significant milestone in India's education system, aiming to transform the country's educational landscape. This review provides a comprehensive analysis of NEP 2020, exploring its alignment with global educational trends, emphasis on competency-based progression, and potential impact on student learning outcomes, teacher training, and educational infrastructure. The policy's scientific significance lies in its potential to promote equity, quality, and innovation in Indian education, addressing longstanding challenges and preparing students for the demands of the 21st century.

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  • Turmeric essential oil (EO) possesses multiple beneficial properties, including insecticidal and anti-inflammatory effects, making it a strong candidate for pest control.
  • The study focused on the effectiveness of turmeric EO against the ectoparasitic tick Rhipicephalus (Boophilus) annulatus, using various tests to measure repellency and toxicity.
  • Findings revealed that the major compound Ar-turmerone in turmeric EO significantly repelled and killed adult and nymphal ticks, while also reducing their reproductive capabilities, highlighting its potential as an eco-friendly alternative to synthetic pesticides.
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Bacterial biofilm, a persistent issue in healthcare equipment and typical infections, is exacerbated by the pathogenesis and antibiotic tolerance of Pseudomonas aeruginosa. This bacterium remains a significant concern in the global healthcare sector. Silver nanoparticles, with their potent antibacterial properties, have emerged as a promising solution.

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This study characterizes the steroidal saponin diosgenin by theoretical and experimental spectroscopic techniques. Theoretical simulations were performed using the DFT/B3LYP/6-311++G(d,p) basis set to simulate spectroscopic, structural and other properties. Optimized geometries from simulations and experiments showed strong agreement, with R value of 0.

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  • The study aims to develop machine learning models to identify factors linked to Emergence Delirium (ED) in pediatric patients undergoing tonsillectomy or adenotonsillectomy.
  • After cleaning and analyzing a dataset of 423 cases, four predictive models (logistic regression, random forest, support vector machine, and gradient boosting) were tested, with the random forest model showing the best performance (AUC-ROC of 0.96).
  • Key findings highlighted significant correlations between factors like age, weight, and surgery duration with ED risk, while K-means clustering identified distinct patient groups characterized by varying risk levels for ED.
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Inflammation is a physiological condition that when unattended causes serious health concerns over the long term. Several phytocompounds have emerged as promising sources of anti-inflammatory agents. is a traditional medicine for inflammatory and toxicity insults; however, this has not been scientifically confirmed.

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Zinc oxide quantum dots, also known as ZnO QDs, are highly desirable due to their numerous favorable characteristics, such as their beneficial photoluminescence, solubility in water, along with sunlight absorption. They are well-suited for use in biomedical applications, drugs, and bioimaging. However, study on the toxicology of these QDs is needed before they can be used in humans.

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  • Nanostructures, especially carbon nanotubes, are tiny materials with exceptional electronic properties, prompting recent research into their mathematical characteristics.
  • The study emphasizes the importance of molecular descriptors and topological indices in mathematical chemistry, particularly for QSAR and QSPR modeling.
  • In this research, the authors formulated the top ten critical topological indices for a benzene ring on a P-type surface in a 2D lattice, developed a predictive model for graph energy, and included NMR patterns and the HOMO-LUMO gap.
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  • Angiogenesis and osteogenesis need to work together for healthy bones, and disruptions in this process can lead to bone mass loss and conditions like osteoporosis (OP), particularly in postmenopausal women.
  • A study identified 28 critical hub genes linked to OP and used computational tools to analyze these genes, revealing the IL6 gene's F201L mutation as particularly harmful and associated with unstable protein structures.
  • The research emphasizes the importance of mechanical loading (like weight-bearing exercises) to stimulate bone formation and suggests that this could be an effective preventive strategy against postmenopausal osteoporosis while providing insights for new treatments.
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Lanthanum oxide was successfully synthesized by hydrothermal method by varying the reaction time such as 6, 12, and 24 h. In XRD, study confirms the presence of a hexagonal structure, and the phase remains the same at different times; the main goal is to assess the average crystallite size of prepared LaO nanoparticles, which was found in the range of 6 to 8 nm. An interesting observation from the XRD data was the apparent increase in crystalline nature as the synthesis time was extended.

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  • Endophytic bacteria were isolated from two medicinal Rhododendron species in Darjeeling, India, specifically Pseudomonas lurida RGDS03 and Bacillus velezensis RCDL12, using 16S rRNA gene sequencing.
  • These bacteria demonstrated abilities like producing growth hormones (IAA and GA), solubilizing phosphate, and fixing nitrogen, with B. velezensis showing the highest production of these beneficial compounds.
  • The study also found that both bacteria promoted better growth in rice and mung bean seedlings compared to untreated plants, highlighting their potential for enhancing crop development and providing biocontrol against certain plant pathogens.
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Background And Aim: Ageing often leads to the deterioration of physiological functions, including a decline in antioxidant defences, which can result in various health complications. Exogenous antioxidants have been recognised for their potential to alleviate these age-related health complications. Virgin coconut oil (VCO), known for its antioxidant, anti-inflammatory and anti-lipidemic efficacies, has gained recognition as a functional food with promising benefits.

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Plastic waste accumulation is a significant threat to the environment and humans. Pyrolysis is a promising method for recycling plastic waste since all of the yields are useful, reducing the associated environmental risks of plastic waste. Energy recovery from used plastic waste can help restore ecosystems by utilizing waste as fuel while addressing the environmental problem of plastic disposal.

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This study explores the synthesis, characterization, and photocatalytic performance of a SnO/TiO-Ni@rGO nanocomposite for tetracycline (TC) degradation under visible light irradiation. The nanocomposite was precisely designed to enhance structural stability, charge transfer efficiency, and catalytic activity. X-ray diffraction (XRD) analysis confirmed the structural integrity of the SnO/TiO-Ni@rGO composite, demonstrating excellent reusability and resistance to photo-corrosion after multiple cycles.

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Fabrication of one-dimensional Zn-doped BiS nanorods for photodiode applications.

Luminescence

September 2024

BioNanocomposite Research Center, Department of Food and Nutrition, Kyung Hee University, Seoul, Republic of Korea.

In this research, the impact of the different zinc (Zn) concentrations on the physical and optoelectronic properties of BiS nanorods as self-powered and photodiode applications was investigated. The performance of P-N junction photodiodes has been for decades since they are crucial in energy applications. The structure, degree of crystallinity, and shape of Zn-doped BiS nanorods of various doping percentages formed onto the indium tin oxide (ITO) substrates by the dip coating technique are investigated using X-ray powder diffraction (XRD) and SEM.

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Despite the fact that there are already a number of solid-contact-based ion-selective electrodes designed for atrazine detection, our ground-breaking contribution lies in introducing the first-ever atrazine potentioselectrode, enabling the ultra-sensitive detection of atrazine at nanomolar levels. Solid-contact ion-selective electrodes can offer advantages, such as improved stability, reproducibility, sensitivity, and selectivity compared to their liquid-contact counterparts. Here, a biomimetic potentiometric sensor for Atrazine was developed using economic, light weight, and flexible carbon cloth as solid-contact material.

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Bifunctional electrocatalysts, capable of efficiently driving both the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER), are crucial for advancing electrochemical processes. While noble-metal-based catalysts are widely recognized for their role in oxygen processes, current state-of-the-art designs are limited to either ORR or OER activity, presenting a notable research gap. In addressing this challenge, we have developed a novel nanocomposite catalyst derived from a nickel-based metal-organic framework ().

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Staphylococcus aureus is the most common cause of serious health conditions because of the formation of biofilm, which lowers antibiotic efficacy and enhances infection transmission and tenacious behavior. This bacteria is a major threat to the worldwide healthcare system. Silver nanoparticles have strong antibacterial characteristics and emerged as a possible alternative.

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