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Fast Detection of Chloramphenicol in Raw Milk Using a Hairpin Aptamer-templated Silver Nanoclusters

Hengchao Li, Bin Hu, Yuliang Cheng, Hang Yu, Yunfei Xie, Weirong Yao, Yahui Guo & He Qian · Asian Journal of Chemical Sciences · 2021

In this presented work, a facile and efficient method was established for the detection of chloramphenicol (CAP) based on target-induced structure transformation of aptamer. This aptamer DNA with a hairpin structure can coincidentally serve as a template for the synthesis of brig...

Open access Research Article 10.9734/ajocs/2021/v9i419077

The Gibbs Energy–Potential Energy Conundrum and Chemical Reactivity: Implications for Catalysis and Enzyme Action

Sosale Chandrasekhar · Asian Journal of Chemical Sciences · 2021

The interpretation of transition state theory via reaction energy profiles is problematical, as it remains unclear whether the energy being represented is the Gibbs energy or the potential energy. Although transition state theory is formally an extension of classical equilibrium...

Open access Research Article 10.9734/ajocs/2021/v9i419076

Characterization of the Structure of 2-(4-methyl-2 Phenyl-4, 5-dihydrooxazol-4-ylmethyl)-isoindole-1, 3-dione by 1D, COSY and HSQC 2D NMR Spectroscopy

Khadim Dioukhane, Younas Aouine, Asmae Nakkabi, Salaheddine Boukhssas, Hassane Faraj & Anouar Alami · Asian Journal of Chemical Sciences · 2021

The identity of the 2-(4-Methyl-2-phenyl-4,5-dihydrooxazol-4-ylmethyl)-isoindole-1,3-dione, previously synthesized in our laboratory, was proven without doubt by means of 1D and 2D NMR spectroscopy. Two-dimensional NMR spectroscopy played a major role. The analysis of the 2D-COSY...

Open access Research Article 10.9734/ajocs/2021/v9i319074

Effects of Combining Antioxidants on the Oxidative Stability of Refined, Bleached and Deodorized Palm Olein during Continuous Deep Frying of Potato Chips

Hanafy A. Hashem, Rabie S. Farag, Abdel-Alrahman Naser & Montaser A. Mohamed · Asian Journal of Chemical Sciences · 2021

In this study, the effect of a novel antioxidants composite system based on a synergetic composite between Tertiary butyl hydroquinone (TBHQ), Ascorbyl palmitate, citric acid, and Dimethicone have been evaluated against the classical common antioxidant system based on TBHQ at the...

Open access Research Article 10.9734/ajocs/2021/v9i319072

Assesment of Biochemical Forage Quality of Sweet Sorghum [Sorghum bicolor (L.) Moench ssp. saccharatum]

Abdullah Oktem, Celal Yucel & Ayse Gulgun Oktem · Asian Journal of Chemical Sciences · 2021

In this study, it was aimed to determine some forage quality characteristics of sweet sorghum genotypes in semi-arid climatic conditions. The experiment was set up in randomized complete block design with 4 replicates. Research was carried out in 2016 and 2017 under Harran Plain...

Open access Research Article 10.9734/ajocs/2021/v9i319071

Molecular Structure and Its Inverse: The Mystery of Their Origins, the Enigma of Their Detection

Sosale Chandrasekhar · Asian Journal of Chemical Sciences · 2021

The origins of the molecular-chiral homogeneity that is the very basis of life remain a tantalizing mystery. Molecular chirality itself is manifest in its interaction with radiation, particularly as optical activity, although an intriguing alternative technique based in X-ray cry...

Open access Research Article 10.9734/ajocs/2021/v9i219070

Pollution Evaluation Based on Physicochemical and Heavy Metal Levels of Miniokoro Stream, Port Harcourt, Nigeria

D. M. Abbey, M. E. Abbey & T. C. Ogunyemi · Asian Journal of Chemical Sciences · 2021

Evaluation of physicochemical parameters and heavy metal levels in surface water of the Miniokoro stream, Port Harcourt, Nigeria were investigated to determine its potability and pollution status at various stations along the stream.  The physicochemical parameters analyzed in th...

Open access Research Article 10.9734/ajocs/2021/v9i219066

Evaluation of Heavy Metals in Local Chickens sold at Central Markets in Ado-Ekiti, Akure and Owena Towns

Adedayo Olamide Oyebanji, Daniel Uwaremhevho Momodu, Onyinye Victoria Ifedineze & Joan Olayinka Ogundele · Asian Journal of Chemical Sciences · 2021

Local chickens sold in the central markets of Ado-Ekiti, Akure and Owena were randomly sampled and slaughtered. Lead (Pb), cadmium (Cd) and zinc (Zn) in their blood and selected organs (intestine, heart, liver and gizzard) were isolated using wet digestion and their concentration...

Open access Research Article 10.9734/ajocs/2021/v9i219069

Spectroscopic and Theoretical Explorations on 6-Hydromethyl-4-Methoxy-4- Methoxytetrahydro-Pyran-2, 3, 5-Triol-A Biomolecule

M. Krishna Priya, S. Krithika, D. Angeline Shirmila, S. Sathya & G. Usha · Asian Journal of Chemical Sciences · 2021

The chemical compound 6-hydromethyl-4-methoxy-4- methoxytetrahydro-pyran-2, 3, 5-triol (C7H14O6), was derived from the ethanol extract of Senna auriculata flower via GC-MS. FT-IR and NMR characterization of the compound support covalent bonding information and degree of degenerac...

Open access Research Article 10.9734/ajocs/2021/v9i219067

A Study of Corrosion Combating Efficacy of Leaves and Stem Extract of Naturally Occurring Plants Solanum xanthocarpum and Salvodera persica on Aluminium in 2N HCl Solution

Neha Manwani & R. K. Upadhyay · Asian Journal of Chemical Sciences · 2021

Weight loss and gasometric methods have been used to study the inhibiting effect of extract of leaves and stem of Solanum xanthocarpum and Salvodera persica on the corrosion of aluminium in 2N HCl solution was evaluated. The results indicated that the corrosion inhibition efficie...

Open access Research Article 10.9734/ajocs/2021/v9i119064

Crystal Growth and Structure Determination of a Newly Synthesised Chalcone Derivative with Hirshfeld Surface Analysis and Energy Frame Work: (2e,4e)-5-(4-(Dimethylamino)Phenyl)-1-(Naphthalen-2-Yl)Penta-2,4-Dien-1-One

M. Krishna Priya, D. Reuben Jonathan, K. Biruntha, D. Angeline Shirmila, K. Laavanya, J. Hemalatha & G. Usha · Asian Journal of Chemical Sciences · 2021

A new chalcone derivative (2E, 4E)-5-(4-(dimethylamino) phenyl)-1-(naphthalen-2-yl) penta-2,4-dien-1-one (DPNP) has been synthesized using Claisen-Schmidt condensation reaction using the slow evaporation method at ambient temperature. The 3D crystal structure was solved using the...

Open access Research Article 10.9734/ajocs/2021/v9i219065

Standards for the Research and Registration of Drinking Mineral and Mountain Spring Waters in Bulgaria

Ignat Ignatov · Asian Journal of Chemical Sciences · 2021

In Bulgaria is observed a great variety of spring waters. They are mineral and mountain spring waters. According to their temperature they can be cold (up to 37 °С), warm (from 37°C to 60 °C) and hot (over 60 °C). This is temperature standard in Bulgaria, European Union. The moun...

Open access Research Article 10.9734/ajocs/2021/v9i119061