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Pakistan Journal of Analytical & Environmental Chemistry
Scopus
ISSN 1996-918X · National Centre of Excellence in Analytical Chemsitry · 433 artikel di indeks
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Artikel Jurnal
Synthesis and Characterization of polypyrrole / Silver Nanoparticles Composites as Creatinine Sensor
The Jaffe reaction is commonly employed to detect creatinine. This work involves the creation of several electrochemical sensors for the detection of creatinine, utilizing films made from polymer composites with nanoparticles and picric acid. Based on the interaction mechanism of creatinine, we…
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Time-course Cellulase Production by B2S8 Bacterial Isolate and Its Utilization in Bioethanol Fermentation from Corn Stover
Cellulase enzymes play crucial roles in hydrolyzing cellulose into simple sugars, which potentially serve as substrates for bioethanol production. These enzymes can be sourced from cellulolytic bacteria, which are characterized by exhibiting different growth and enzyme production patterns. This…
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Organic Residue Analysis of Late Bronze Age Ceramics from Aşağıseyit Höyük by GC-MS, a Key Settlement in Western Anatolia
In the present study, gas chromatography–mass spectrometry (GC–MS) was used to investigate organic residues (ORs) preserved in the sherds recovered from the Late Bronze Age layers of Aşağıseyit Höyük, one of the important ancient settlements of Western Anatolia, in order to identify the types of…
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Synthesis and Sorption Performance of Pyridyl-Based Imine and its Homocyclic Analogue toward Ni(II) and Cd(II) Ions in Aqueous Solution
Nickel and cadmium are toxic heavy metals that pose serious environmental and health concerns due to their persistence and bioaccumulation. It commonly enters aquatic systems through industrial effluents, electroplating, mining, and the disposal of Ni-Cd batteries. Developing efficient sorbents for…
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Artikel Jurnal
Transforming Transformer Oil Waste: A Hybrid Biological–Oxidative Strategy for PCB Decontamination
Polychlorinated biphenyls (PCBs) are dangerous and long-lasting chemicals that bioaccumulate in the food chain. The use of PCBs in transformer oil as heat-resistant compounds is widespread and has received more attention in recent years. This work used a sequential degradation methodology that…
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Artikel Jurnal
PVP-Directed MOF-Derived Fe–N–C Catalysts: Toward High-Performance and Sustainable PEM Fuel Cell Cathodes
The urgent need to reduce carbon emissions and transition toward cleaner energy systems has intensified the search for electrocatalysts that are both efficient and resource-sustainable. Proton exchange membrane fuel cells (PEMFCs), powered by the oxygen reduction reaction (ORR), represent a key…
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Environmental Fate, Plastisphere Microbial Dynamics, and Human Health Implications of Marine Micro- and Nanoplastics
Micro- and nanoplastics are now widely recognized as contaminants of marine environments, with increasing concern about their potential effects on ecological and human health. Due to their small size, persistence, and high surface-area-to-volume ratio, these particles can interact with a large…
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Serum Copper Homeostasis and Its Relationship with Iron Deficiency Anemia in Children
Copper-dependent ferroxidases are required for cellular iron export, but local pediatric data on copper status in iron deficiency anemia (IDA) are limited. This comparative cross-sectional study evaluated serum copper homeostasis in 300 children aged 1-15 years at Civil Hospital, Ghulam Muhammad…
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Artikel Jurnal
Two Validated Spectrophotometric Methods for Quantitative Analysis of Amlodipine Besylate in Pharmaceutical Preparations by Redox Reaction
This research aims to develop two spectrophotometric methods for the quantitative determination of amlodipine besylate (ADB) in its pure form and in pharmaceuticals. Both methods are characterized by simplicity, high accuracy, sensitivity, cost-effectiveness, and eco-friendliness. The underlying…
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Artikel Jurnal
Indirect Voltammetric Method for the Determination of Amino Acids Via Charge Transfer Complex Formation Reaction
An easy and sensitive indirect voltammetric method has been proposed for the determination of trace amounts of amino acids, such as proline, glycine, arginine, phenylalanine, glutamic acid, and cysteine, in the range of 50–330 ngmL-1 in aqueous solution. It is based on the reaction of chloranil as…
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Human Health Hazards of Fluoride Ions: A Case Study of Al-Busif Village Water Supply Station, Iraq
The current study aimed to assess the health risks of fluoride in drinking water from the Al-Busif Water Supply Station and the residential neighborhoods covered by its distribution pipeline network in the region of northern Iraq. One hundred water samples were collected from ten sites, including…
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Artikel Jurnal
Elemental Distribution in Soils, Irrigation Water, and Vegetable Seeds and Associated Health Risk Assessmentin Khairpur Mir’s, Pakistan
This study investigated the concentrations of essential macronutrients (Na, K, Mg, Ca) and trace elements (Al, Zn, Mn, Se, Sn, Cr) in seed samples of okra (Abelmoschusesculentus (L.) Moench), brinjal (Solanummelongena L.), cucumber (Cucumissativus L.), Indian squash (Benincasafistulosa), and bitter…
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Production and Characterization of Polyhydroxyalkanoates from Food Waste Using Indigenous Bacterial Strains
The accumulation of petrochemical plastics necessitates sustainable alternatives. This study investigated the production of polyhydroxyalkanoates (PHAs) using indigenous bacterial strains isolated from Balochistan's soils and five locally sourced food wastes: rice bran, potato peels, fruit pulp…
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Morphology and Filtration Characteristics of a Polysulfone Hollow Fiber Membrane
Polysulfone (PSF) hollow fiber membranes incorporating a asymmetric microstructures suitable for ultrafiltration, were fabricated using dry–wet phase inversion method. The optimized dope solution contained PSF (25 wt%), polyethylene glycol (PEG-400; 22 wt%), and polyvinylpyrrolidone (PVP-K90, Mw ≈…
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Artikel Jurnal
Utilizing Konjac Sponge Carrier to Enhance Polyhydroxybutyrate Production Using Bacillus Subtilis and Loquat Seeds in Solid-State Fermentation
Solid-state fermentation (SSF) is an advanced bioprocess technique with several advantages; however, various challenges including nutrient heterogeneity and limited mass transfer. To address these limitations, this study investigated the use of konjac sponge as an inert carrier for Bacillus…
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Artikel Jurnal
Biosynthesis of Ag-doped ZnO Nanoparticles from Melon Peel Extract and Investigation of Their Antibacterial Activity
This study was designed to synthesise zinc oxide (ZnO) and silver-doped zinc oxide (ZnO:Ag) nanoparticles using an aqueous extract of melon peels as a natural reducing and stabilising agent. For the first time, melon peel extract was used to produce both pure ZnO and Ag-doped ZnO nanoparticles at…
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Artikel Jurnal
Characterization and Modeling of Indoor PM2.5-Bound Benzo[a]Pyrene Concentration in Public Schools: A Comparative Study of Oredo and Uhunmonde Local Government Areas, Edo State, Nigeria
Indoor air quality (IAQ) has emerged as a critical concern for student health and well-being, as PM2.5 can transport toxic compounds like benzo[a]pyrene (B[a]P), posing significant health risks to vulnerable populations such as school children. This study compares indoor air quality in public…
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Phytochemical Profiling, Antioxidant, Antibacterial, and Wound Healing Effects of Rosemary Oil Hydrogel
Rosmarinus officinalis L., a Mediterranean perennial herb, is well known for its antibacterial, antioxidant, anti-inflammatory, and wound-healing properties. This study investigates the phytochemical profile of R. officinalis, including glycosides, terpenoids, phenols, flavonoids, saponins…
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Development and Validation of Indirect Spectrophotometric Methods for Assessing Levofloxacin in Pure and Pharmaceutical Formulations
Two simple, sensitive, and economical indirect spectrophotometric methods were developed for the determination of levofloxacin (LEVX) in the pure form and pharmaceutical preparations. The first proposed method (A) involved oxidation of LEVX using an excess amount of N-bromosuccinimide (NBS) under…
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Artikel Jurnal
Analytical Method Development and Validation of High-Performance Liquid Chromatography for Simultaneous Determination of Ibuprofen and Baclofen
Combining baclofen with ibuprofen offers synergistic pain relief by targeting both muscle spasms and inflammation, enhancing efficacy in managing musculoskeletal conditions. This study aims to develop and validate an analytical method for the separation and simultaneous determination of ibuprofen…