Volume 27 | Global NEST Journal

Volume

Volume number

Publication year

2025

Exploration of Bacterial Diversity in Hospital Sludge Extracted Using a Modified Sampling Device Through High-Throughput Sequencing Targeting the 16S rRNA Gene

by Deng Ruiling

Issue 4

Water and wastewater treatment and reuse

The over-use of chlorine-based disinfectants and antibiotics decreases the effectiveness of sewage treatment, causing dominance of Pseudomonas in hospital sewage treatment plants. This study investigated bacterial species, abundance, and distribution in anaerobic sludge under different spatial...

16s rRNA gene sequencing V3–V4 region amplicon +3 more

Study on the removal and adsorption kinetics of malachite green in water by NaY molecular sieve prepared from coal gangue

by Wang Qingping min Jing Xu Wei

Issue 4

Water and wastewater treatment and reuse

The synthesis of NaY molecular sieve from coal gangue and its adsorption properties for malachite green were studied. The process adopts high-temperature sintering hydrothermal method, which not only improves the utilization rate of coal gangue, but also analyzes the key parameters affecting the...

gangu NaY molecular sieve +2 more

Advanced Classification of Marine Pollutants Using Sentinel-2 Multispectral Thermal Imaging and Vision Transformer for Enhanced Water Quality Assessment

by Kuppan Kaviya Ravi Bhavani Nagalingam Shanker Alphonse BOVAS HERBERT BEJAXHIN

Issue 4

Environmental management and policy

Marine pollution introduces harmful substances into the ocean, affecting ecosystems, marine life, coastal communities, and the global economy. Classifying these pollutants is essential for identifying their sources and assessing their ecological impact. Computer vision techniques are used to...

Marine Pollution Water Test +3 more

Flood Prediction in Chennai based on Extended Elman Spiking Neural Network using a Robust Chaotic Artificial Hummingbird optimizer

by .S Karthik .R Surendran G.V Sam Kumar Srinivasulu Senduru

Issue 4

Hydrology and Water Resources Management

The Chennai region's meteorological conditions are causing floods in many districts to occur more frequently and with greater intensity. Therefore, anticipating and planning for floods under severe weather conditions is essential for making decisions and handling impending calamities. These days...

Flood Prediction deep learning +2 more

Advanced Weather Prediction based on Hybrid Deep Gated Tobler’s Hiking Neural Network and robust Feature Selection for tackling Environmental Challenges

by .J Jasmine Jenifer Rayen Sonia Ramesh Tumaati Rajendran Surendran

Issue 4

Climate change

Human activities are directly affected by weather events. In particular, extreme weather events like forest fires, global warming, drought-causing high air temperatures make human life challenging. The use of reliable and accurate weather prediction models is essential to take precautions against...

Weather prediction deep learning +5 more

Environmental assessment of corn starch based biodegradable plastic with glycerol and fructose

by Lakshmiganthan SM Seshagiri Rao Vaddi Sathish Rangarajan Srividhya Sundaresan

Issue 4

Solid Waste Management

Plastic has gained significant popularity due to its lightweight, durability, and cost-effectiveness compared to traditional materials like metals and clay. However, its non-biodegradable nature has led to an alarming escalation in environmental pollution, posing a severe threat to ecosystems. To...

Bioplastics Biodegradability +3 more

Assessment of food quality and antibiotic residue toxicity in Florida red tilapia Oreochromis sp exposed to erythromycin

by Boucetta Sabrine Honcharova Olena Kharfouchi Soumia Chala Adel Aouati Khaoula Can Erkan

Issue 4

Air pollution and health

Erythromycin (ERY) is widely used as an antibiotic, leading to its pervasive presence in the environment and potential risks to non-target species. This study investigated the under sub-lethal effects of ERY on Florida red tilapia (Oreochromis sp.) by examining changes in their hematological and...

erythromycin hematology +3 more

Statistical optimization of biodiesel production from the non-edible seed of Mimusops Elengi using RSM and ANN Studies

by JAMBULINGAM RANJITHA Anbalagan Suresh Kumar

Issue 4

Sustainable Energy

The present paper mainly focused on the statistical optimization of biodiesel production from the non-edible seed of Mimusops Elengi using a potassium hydroxide -catalyzed Transesterification process. Consequently, it compares the prediction and simulating efficiencies of the Response Surface Method...

Biodiesel RSM optimization +3 more

Detection of SARS-CoV-2 in urban wastewater: An entropy-based multi-objective optimization approach for optimal selection of sampling points

by Gkatzioura Argyro Zafeirakou Antigoni

Issue 4

Air pollution and health

Monitoring wastewater for the presence of SARS-CoV-2 proved to be a useful tool during COVID-19 pandemic and it is in place, until today, at many Wastewater Treatment Plants (WWTPs) in Greece and elsewhere. Identification of virus in wastewater can be a valuable indicator for the early detection of...

wastewater-based epidemiology SARS-COV-2 +4 more

Sources and Spatial Variation of Dissolved Organic Matter in Luoma Lake

by Gan Zhiyong Wang Haishuo Ge Xuefeng Huang Heyong

Issue 4

Hydrology and Water Resources Management

In order to investigate the characteristics, sources and variations in the composition of dissolved organic matter (DOM) during the wet and dry seasons in Luoma Lake, UV-vis and 3D-EEMs techniques combined with PARAFAC were used to analyse the changes in DOM content and components in dry and wet...

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