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Larger Intrinsic Rate Constants of Alpha-amylase is Possible if Intrinsic Forward Rate Constant is ≠ Diffusion limited Rate of Encounter

Ikechukwu I. Udema · Asian Journal of Chemical Sciences · 2022

Background: Previous research has shown that the intrinsic reverse (backward) and forward rate constants are larger than the effective or apparent rate constants for the formation and dissociation of an enzyme-substrate complex (ES). It is speculated that such intrinsic rate cons...

Open access Research Article 10.9734/ajocs/2022/v12i3219

Kinetic and Thermodynamic Behavior of Extraction of Oleoresin Containing Curcuminoids from Turmeric (Curcuma longa L.) in Acetone and Their Bioavailability

A. B. Kunyima, J. C. Kuburhanwa, H. M. Kaseya & M. B. Kunyima · Asian Journal of Chemical Sciences · 2022

Background: Why this miraculous and amphiphilic compound, the curcumin, which has a very extraordinary therapeutic potential (because can react with many targets in the organism), has a weak bioavailability in the organism and is metabolized in compounds having very weak activity...

Open access Research Article 10.9734/ajocs/2022/v12i3220

Physico-chemical Characterization of Some Metal Complexes Formed by Substituted Thiourea

G. Swarnabala, S. B. Khatavkar, G. S. Sadana & Anahita Bharadwaj · Asian Journal of Chemical Sciences · 2022

In view of unique physico-chemical observations affecting the geometry and various properties of the substituted thiourea complexes in literature along with several biological activities, N-(hydroxy)-N,N-diphenyl thiourea was taken up for study.  Complexes with geometries of high...

Open access Research Article 10.9734/ajocs/2022/v12i2218

Synthesis and Characterization of Mango Wood Nanocellulose Fibers

J. K. Prasannakumar, G. K. Prakash, B. E. Basavarajappa & B. Suresh · Asian Journal of Chemical Sciences · 2022

Agricultural biomasses are the prominent natural sources of cellulose currently available on the planet. When this was treated chemically, this acquire the properties such as toughness, good biocompatibility, and higher thermal stability. In this study, Nanocellulose was extracte...

Open access Research Article 10.9734/ajocs/2022/v12i219145

Bermuda Triangle in Chemistry

Dumitru Petru I. Iga, D. Popescu & V. I. R. Niculescu · Asian Journal of Chemical Sciences · 2022

It is believed that the place called Bermuda triangle is able to hide of human seeing objects entered its area. A Bermuda triangle in chemistry is able to hide (mask) atoms or planar molecular fragments cut by their mirror plane of symmetry, not of human eyes but, of polarized li...

Open access Research Article 10.9734/ajocs/2022/v12i219143

Molecular Docking, Pharmacokinetics and Molecular Dynamics Simulation Studies of Some Bioactive Compounds Isolated from Entandrophragma congoënse for Antiplasmodial Activity

Sikiru Akinyeye Ahmed, Gervais Mouthé Happi, Désiré Soh & Shina Salau · Asian Journal of Chemical Sciences · 2022

As a follow-up to earlier reported works on the phytochemical study of some isolated bioactive compounds from the root and bark of Entandrophragma congoënse as potent anti-plasmodium drugs (Happi et. al.2005), some of the isolated compounds were tested in vitro for antiplasmodial...

Open access Research Article 10.9734/ajocs/2022/v12i119141

Spectrophotometric determination of Ciprofloxacin Hydrochloride, Moxifloxacin Hydrochloride and Roxithromycin Hydrochloride in Pure Form

M. S. Mohammed, H. H. El-Feky, T. Y. Mohammed & S. A. Shama · Asian Journal of Chemical Sciences · 2022

A straightforward, sensitive, and quick spectrophotometric approach was created and validated for the detection of Ciprofloxacin hydrochloride, Moxifloxacin hydrochloride, and Roxithromycin hydrochloride in pure form. These techniques were based upon the fact that these antibioti...

Open access Research Article 10.9734/ajocs/2022/v12i119139

Empirical Modelling and Optimization of Ngbo Pillarred Activated Clay Catalysts using Response Surface Methodology

V. N. Nwobasi, Philomena K. Igbokwe & Akindele O. Okewale · Asian Journal of Chemical Sciences · 2022

In this work, Box-Behnken”s Response Surface Methodology (RSM) was applied to study the esterification reaction effectiveness of Ngbo pillarred activated clay catalyst. The esterification was monitored based on temperature, time duration, amount of reactant, catalyst weight, and...

Open access Research Article 10.9734/ajocs/2022/v12i119137

Production of Poppy Seed in Afghanistan and its Composition Effects: A Review

Muzhda Azizi, Sabia Hasam & Deana Qarizada · Asian Journal of Chemical Sciences · 2022

The mean aim of this study is poppy plant with two important compounds of that poppy seed and opium which those are produced and used by people of world especially in a poor country like Afghanistan, the poppy seed used in bakery products, in pastry filling in deserts and the pro...

Open access Research Article 10.9734/ajocs/2022/v12i119135

Physicochemical Properties and Antibacterial Activity of Biosynthesized Silver Nanoparticles from Melothria pendula Linn. (Pipinong-Gubat) Leaf Extract

Nathaniel A. Dianito, Flyndon Mark S. Dagalea, Manuela Cecille G. Vicencio & Karina Milagros C. Lim · Asian Journal of Chemical Sciences · 2022

Nanoparticles have all kinds of unexpected benefits in different fields and industry. For this reason, the demand for nanoparticles is increasing at overwhelming rate the increased demand resulted to increase in production. Conventional method in synthesizing nanoparticles have b...

Open access Research Article 10.9734/ajocs/2022/v12i119134

Molecular Mechanics-Based Quantitative Structure-Activity Relationship Study on the Inhibitory Activity of Some Schiff Bases against Escherichia coli

Ozoemena Ifeoma Juliet, Ibrahim Bilikisu Onize, Eniolorunda Tolulope Praise, Agbane Isaac Ojodomo, Yusuf Aminat & Nurudeen Raimi · Asian Journal of Chemical Sciences · 2022

Due to their high inhibitory action against Escherichia coli (E. coli), the rise of multidrug-resistant strains of the bacteria necessitates the testing and development of a new set of Schiff bases as anti-E. coli agents worldwide. In this study, the Genetic function approximatio...

Open access Research Article 10.9734/ajocs/2022/v11i419133

Evaluation of the Organoleptic Properties and Free Fatty Acid (FFA) of Cooking Oil in the Selected Stores of Poblacion Malita, Davao Occidental, Philippines

Joan M. Pangyan, Lady Vaniza L. Guntiñas & Leonel P. Lumogdang · Asian Journal of Chemical Sciences · 2022

The study aimed to evaluate the organoleptic properties and percent (%) free fatty acid (FFA) content of cooking oil, namely Coconut oil, palm oil, and Canola oil, in the selected stores of Poblacion Malita, Davao Occidental Philippines. The study compared the organoleptic proper...

Open access Research Article 10.9734/ajocs/2022/v11i419132

Synthesis, Characterization and Thermal Study of Some Transition Metal Complexes of N-(4-hydroxybenzylidene)isonicotinohydrazone and Investigation of Their Antibacterial and Antioxidant Properties

Farzana Khanm Camellia, Md. Ashrafuzzaman, Md. Nazrul Islam, Laila Arjuman Banu & Md. Kudrat-E-Zahan · Asian Journal of Chemical Sciences · 2022

Cr3+, Co2+, Ni2+, Cu2+ and Zn2+ ions complexes of the Schiff base ligand, N-(4-hydroxybenzylidene)isonicotinohydrazone (L1), were synthesized and characterized by analytical and physicochemical techniques including conductivity measurements, magnetic susceptibility measurements,...

Open access Research Article 10.9734/ajocs/2022/v11i419130