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Eclética Química
Scopus
ISSN 0100-4670 · Universidade Estadual Paulista · 1.083 artikel di indeks
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Artikel Jurnal
Synthesis of chitosan/AC/Fe3O4 nanocomposite and its structural, magnetic, and heavy metal adsorption characteristics
The chitosan/activated carbon (AC)/Fe3O4 nanocomposite has been successfully synthesized. The nanocomposite was then characterized to investigate its structural, magnetic, and heavy metal Cr(III) adsorption characteristics using XRD, SEM, FTIR, VSM, and ICP-OES. The chitosan/AC/Fe3O4 nanocomposite…
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Phytochemical analysis and antimicrobial and antifungal potential of extracts and fractions of Poincianella bracteosa
The Caatinga is a Brazilian biome with great plant diversity and significant economic and pharmacological potential. It is a valuable source of medicinal resources, with many species used in folk medicine. The study on Poincianella bracteosa highlighted its medicinal properties, such as…
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Case-based learning for fostering scientific literacy: A systematic review
This study aims to analyze the application of Case-Based Learning in fostering scientific literacy. This study uses the PRISMA method. A comprehensive search of peer-reviewed journals which are available through the Scopus, ERIC, and Google Scholar databases was conducted. The search terms used…
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Association of Khat chewing and shisha smoking with metabolic syndrome and diabetes factors among Yemeni women
Khat chewing and shisha smoking have spread among women in Yemeni society; thereby, these modifiable lifestyles may contribute to the development of metabolic syndrome. Therefore, this study aimed to investigate the association of Khat chewing and combined shisha smoking and Khat chewing with…
Juga tersedia di: DOAJ
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Phytochemical profile of Nauclea latifolia leaf extract: a quantitative and qualitative evaluation for anti-inflammatory and antidiabetic potential
Antioxidant agents are essential for the body because of their ability to scavenge free radicals. Medicinal plants contain phytochemicals that act as antioxidants. In this study, phytochemicals, antibacterial, antioxidant, antidiabetic, and anti-inflammatory activities of leaf extracts from Nauclea…
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Metacognitive level of chemistry students in the chemistry department of Universitas Negeri Surabaya
This study intends to describe students' metacognitive skills about their study plans and the length of the learning experience at the Chemistry Department, Universitas Negeri Surabaya. The study involved 200 students from 2 study programs (chemistry education and chemistry). According to this…
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Synthesis, DFT, molecular docking, and insecticidal activities of 4-aminoantipyrine Schiff bases
The insecticidal potential of 4-aminoantipyrine derivatives remain underexplored despite their broad scientific applications. To develop safer insecticides for stored grain protection, a series of 4-aminoantipyrine Schiff bases were synthesized and characterized using FTIR, UV-Vis, EI-MS, and ¹H…
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Computational assessment of hypoglycemic potency and ADMET evaluation of Alpinia galanga bioactive compounds against the alpha-glucosidase enzyme
Alpha-glucosidase is known as a catabolic enzyme for carbohydrates which determine the glucose level in body. Therefore, inhibiting the activity of alpha-glucosidase should reduce the glucose plasma level. Thus, we aimed to evaluate the antidiabetic potency of bioactive Alpinia galanga compounds…
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Pyrazinamide-derived hydrazone outperforms pyrazinamide activity in Mycobacterium tuberculosis DM97: an in vitro and in silico study
Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis (MTB). Pyrazinamide (PZA) is a prodrug used in first-lines treatment. New drugs proposals are urgent, given the increased resistance to antimicrobials such as PZA. In this work, we have synthesized and characterized…
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Synthesis, description and optical activity of silver nanoparticles electrogeneration system in various stabilizers
Silver nanoparticles can be synthesized via several methods, with electrogeneration being one of the most dynamic cost-effective techniques. This offers precise control for shape and size of nanoparticles, making it superior to other strategies. Stabilizers as Glycerin (GLY.), Polyvinyl alcohol…
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Development and validation of a UV spectrophotometric method for measuring ciprofloxacin hydrochloride in chitosan films used for orthopedic implants coatings
A simple, precise, and accurate ultraviolet-visible (UV-Vis) spectrophotometric method was developed and validated to quantify ciprofloxacin hydrochloride (CIP.HCl) in chitosan films for coating orthopedic implants. Methods were developed to enable quantification in both acidic and basic…
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Extractive spectrophotometric estimation of omeprazole and pantoprazole sodium using tropaeoline OO dye
A spectrophotometric method has been proposed to determine the proton pump inhibitors omeprazole and pantoprazole sodium in both pure and pharmacological forms, such as injections, capsules, and tablets. The method relied on the reaction of the above drugs with tropaeoline OO dye, forming ion…
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Analysis of polypeptide derivati1ves targeting the melanocortin-4 receptor for treating hypoactive sexual desire disorder
Hypoactive sexual desire disorder (HSDD) affects over 13% of individuals globally, significantly impacting emotional well-being and relationships. Current pharmacological treatments for HSDD often have side effects. This study explored 14 peptide-based compounds as potential treatments for HSDD…
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Heavy trivalent lanthanides and yttrium p-aminobenzoate complexes: synthesis, thermoanalytical and spectroscopic study
Heavy trivalent lanthanide and yttrium complexes with p-aminobenzoate were synthesized and characterized using thermoanalytical, spectroscopic, and complementary techniques. The results provide in-depth knowledge, particularly regarding the thermal behavior of these complexes, which had not been…
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Phenolics and antioxidant activity of Rangpur lime (Citrus × limonia ) extracts from peels, leaves, and juice
The Rangpur lime (Citrus x limonia) is a common fruit in Brazil. Although it is popular in medicine and cuisine, few investigations were conducted into the compositions and antioxidant capacities of infusions, decoctions and from the juice, leaves, and peels. The Folin-Ciocalteu reagent was used to…
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Synthesis and characterization of Fe3O4/SiO2/C nanocomposites and their potential for NH4+ ion removal from shrimp farm wastewater
The synthesized Fe3O4/SiO2/C nanocomposites are adsorbents for NH4+ ion removal from shrimp farm effluent. Fe3O4 nanomagnets were synthesized via coprecipitation, coated with silica and carbon using 2% NaOH activation, and PEG4000 as a binder. Structural characteristics were investigated through…
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Digital literacy: How mobile augmented reality titration in acid-base titrations facilitated the skill
Augmented reality media is used in chemistry education to enhance digital literacy skills, which are essential for higher education in the twenty-first century, and to provide titration simulations that reduce the need for chemicals. By producing media based on augmented reality and facilitating…
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Effect of fermentation on the organosulfur compound profile and antibacterial activity of black garlic (Allium sativum) extract
Black garlic is a derivative product of garlic that offers even more health benefits. During fermentation, various chemical reactions alter the chemical composition of garlic. In this study, the organosulfur compound profile of black garlic was analysed using GC-MS and LC-MS, and its antibacterial…
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Efficient nano-preparation, characterization, and biological evaluation of two Schiff base-derived complexes
This study aims to prepare a new Schiff base, 2-[(E)-[2-(2,4-dinitrophenyl)hydrazinylidene]methyl]-1H-pyrrole (NPHP), derived from 2,4-dinitrophenyl hydrazine and 1H-pyrrole-2-carbaldehyde with ratio 1:1. Additionally, two new complexes of this Schiff base were synthesized with transition metal…
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