193 results match your criteria: "St Joseph's College of Engineering[Affiliation]"

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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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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Article Synopsis
  • 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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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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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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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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Carbon-based nanodots have garnered recent interest for their simple synthesis and versatile utility, ranging from biomedical to (opto) electronic applications, evolving into a tunable and biocompatible material. Here, for the first time, a biochar (lotus leaf) derived carbon nanodots was synthesized through hydrothermal carbonization. The synthesized hollow spherical biochar was engineered via functionalization by grafting -SOH active sites.

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Biomass is a valuable renewable energy adapted as an alternative to traditional fossil fuels. Apart from fuels, biomass is synthesized into highly valuable products that are used in various forms including biofuels, biochemical, bioproducts, packing material, and find practice in pharmaceutical, cosmetics, and nutraceuticals industries. Particularly, microalgae a third-generation feedstock known for its rich carbon content possesses protein lipids and carbohydrates produces a variety of green products such as bioethanol, biohydrogen, biodiesel, and biomethane, and also fixes carbon emission to a certain amount in the atmosphere.

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Development of Biodegradable Bioplastics with Sericin and Gelatin from Silk Cocoons and Fish Waste.

Toxics

June 2024

Unit of Vector Control, Phytochemistry and Nanotechnology, Department of Zoology, Annamalai University, Annamalainagar 608002, Tamil Nadu, India.

The bioplastics sector promotes environmentally friendly means of cutting down on the usage of fossil fuels, plastic waste, and environmental pollution. Plastic contamination has detrimental effects on both ecological systems and the global food supply. The approach we present here to resolve this issue involves the integration of sericin and gelatin, obtained from cocoon and fish waste, respectively, with nano-reinforced cellulose crystals, to develop a biodegradable and compostable plastic material.

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Comprehensive review on toxic heavy metals in the aquatic system: sources, identification, treatment strategies, and health risk assessment.

Environ Res

October 2024

Tecnologico de Monterrey, Centre of Bioengineering, NatProLab, Plant Innovation Lab, School of Engineering and Sciences, Queretaro 76130, Mexico; Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam-603103, Tamil Nadu, India. Electronic address:

Heavy metal pollution in water sources has become a major worldwide environmental issue, posing a threat to aquatic ecosystems and human health. The pollution of the aquatic environment is increasing as a result of industrialization, climate change, and urban development. The sources of heavy metal pollution in water include mining waste, leachates from landfills, municipal and industrial wastewater, urban runoff, and natural events such as volcanism, weathering, and rock abrasion.

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This research pioneers a sustainable approach to wound healing by developing a bio sheet for dressings. It ingeniously incorporates healing properties of reduced graphene oxide synthesized via an eco-friendly method, using phytoextracts to eliminate toxic chemicals. Collagen extracted from fish waste and fibrinogen from post-animal waste contribute to the bio sheet's green profile.

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Background: Depression is a global mental disorder, and traditional diagnostic methods mainly rely on scales and subjective evaluations by doctors, which cannot effectively identify symptoms and even carry the risk of misdiagnosis. Brain-Computer Interfaces inspired deep learning-assisted diagnosis based on physiological signals holds promise for improving traditional methods lacking physiological basis and leads next generation neuro-technologies. However, traditional deep learning methods rely on immense computational power and mostly involve end-to-end network learning.

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The two main things needed to fulfill the world's impending need for water in the face of the widespread water crisis are collecting water and recycling. To do this, the present study has placed a greater focus on water management strategies used in a variety of contexts areas. To distribute water effectively, save it, and satisfy water quality requirements for a variety of uses, it is imperative to apply intelligent water management mechanisms while keeping in mind the population density index.

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Article Synopsis
  • - Synthetic dyes, widely used in clothing and furniture, are harmful to water systems due to their toxicity and cancer risk, highlighting the need for effective environmental regulations.
  • - Metal oxide nanoparticles like titanium dioxide, zinc oxide, and iron oxide are being investigated for their ability to degrade these dyes through photocatalytic and adsorption methods.
  • - The study discusses challenges in using these nanoparticles for dye degradation, including agglomeration and cost, while also suggesting future research directions for enhancing their effectiveness in environmental management.
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Advancements in Nano-Enhanced microalgae bioprocessing.

Bioresour Technol

June 2024

Institute of Aquatic Science and Technology, College of Hydrosphere, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow 226 029, Uttar Pradesh, India. Electronic address:

Microalgae are promising sources of valuable compounds: carotenoids, polyunsaturated fatty acids, lipids, etc. To overcome the feasibility challenge due to low yield and attain commercial potential, researchers merge technologies to enhance algal bioprocess. In this context, nanomaterials are attractive for enhancing microalgal bioprocessing, from cultivation to downstream extraction.

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Mercury pollution, with India ranked as the world's second-largest emitter, poses a critical environmental and public health challenge and underscores the need for rigorous research and effective mitigation strategies. Nanocellulose is derived from cellulose, the most abundant natural polymer on earth, and stands out as an excellent choice for mercury ion remediation due to its remarkable adsorption capacity, which is attributed to its high specific surface area and abundant functional groups, enabling efficient Hg(II) ion removal from contaminated water sources. This review paper investigates the compelling potential of nanocellulose as a scavenging tool for Hg(II) ion contamination.

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Enhancing Lung Nodule Classification: A Novel CViEBi-CBGWO Approach with Integrated Image Preprocessing.

J Imaging Inform Med

October 2024

Department of Artificial Intelligence and Data Science, Panimalar Engineering College, Chennai, India.

Cancer detection and accurate classification pose significant challenges for medical professionals, as it is described as a lethal illness. Diagnosing the malignant lung nodules in its initial stage significantly enhances the recovery and survival rates. Therefore, a novel model named convolutional vision Elman bidirectional-based crossover boosted grey wolf optimization (CViEBi-CBGWO) has been proposed to enhance classification accuracy.

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In this research, we propose an environmentally friendly method for producing hematite nanoparticles (H-NPs) from natural hematite ore, focusing on their application as efficient contrast agents in x-ray and computed tomography (CT) imaging for medical purposes. The process involves the reduction of iron oxide within the ore to attain the desired hematite phase, crucial for synthesizing H-NPs. To ensure sustainability, we adopted a Green Chemistry approach, utilizing a combination of carbon soot and limestone for the purification process, thereby achieving eco-conscious production.

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Explainable deep-neural-network supported scheme for tuberculosis detection from chest radiographs.

BMC Med Imaging

February 2024

Department of Computational Mathematics, Science, and Engineering (CMSE), College of Engineering, Michigan State University, East Lansing, MI, 48824, USA.

Chest radiographs are examined in typical clinical settings by competent physicians for tuberculosis diagnosis. However, this procedure is time consuming and subjective. Due to the growing usage of machine learning techniques in applied sciences, researchers have begun applying comparable concepts to medical diagnostics, such as tuberculosis screening.

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