Recent Study of AC Electrical Behavior of Iron Nanoparticle Decorated Polymer Composite

Posted on June 19, 2021Categories Chemical ScienceTags , , , ,   Leave a comment on Recent Study of AC Electrical Behavior of Iron Nanoparticle Decorated Polymer Composite

According to the reviews, this study was based on current efforts and breakthroughs in customizing nano-scale structures of nanostructured conducting polymer materials to improve electrical characteristics. The purpose of this study is to look into the a.c electrical response of a PANI/FeNP/Graphene composite created in-situ with adhathodavasica plant extract in an ice-cold bath The samples were characterized using techniques such as FT-IR and SEM. AC conductivity measurements were taken at 298K using an HIOKI 3532-50 LCR Hi-tester in the frequency … Continue reading “Recent Study of AC Electrical Behavior of Iron Nanoparticle Decorated Polymer Composite”

Studies on Removal of Toxic Cd2+ and Pb2+ from Aqueous Solutions by Using Agro-waste (Cola nitida Pod)

Posted on June 19, 2021Categories Chemical ScienceTags , , , ,   Leave a comment on Studies on Removal of Toxic Cd2+ and Pb2+ from Aqueous Solutions by Using Agro-waste (Cola nitida Pod)

Industrial processes and used commercial (metallic) products generate a large amount of metallic waste, which is discharged into the environment via water or land-dumping sites. It is estimated that the toxicity of metallic discharge into the environment far outweighs the total toxicity of all radioactive and organic wastes combined. The importance of metals and their compounds in industrial operations cannot be overstated. Meanwhile, industrial effluents contain heavy metal ions that have been reported to be harmful to human and plant … Continue reading “Studies on Removal of Toxic Cd2+ and Pb2+ from Aqueous Solutions by Using Agro-waste (Cola nitida Pod)”

Bio-applications of Bacterial Cellulose and Type ICollagen Conjugated with Resveratrol for Epithelial Defect Regeneration

Posted on June 19, 2021Categories Chemical ScienceTags , , , , , ,   Leave a comment on Bio-applications of Bacterial Cellulose and Type ICollagen Conjugated with Resveratrol for Epithelial Defect Regeneration

Effective wound repair and regeneration require excellent wound dressing. The purpose of this chapter is to assess the efficacy of bacterial cellulose (BC) and type I collagen (COL) scaffolds conjugated with resveratrol (RSV) in wound management. BC and COL are biodegradable and renewable polymers with a strong affinity for materials containing hydroxyl groups, whereas RSV has a 4′-hydroxyl group and exhibits good biocompatibility and no cytotoxicity. The results showed that RSV was effectively released in vitro from the BC and … Continue reading “Bio-applications of Bacterial Cellulose and Type ICollagen Conjugated with Resveratrol for Epithelial Defect Regeneration”

Enhancement of Electromagnetic Wave Shielding Effectiveness of Carbon Fiber-based Fabrics via Carbon Fiber-Carbon Microcoil Hybrid Formation or H2 Plasma Treatment

Posted on June 19, 2021Categories Chemical ScienceTags , , , , ,   Leave a comment on Enhancement of Electromagnetic Wave Shielding Effectiveness of Carbon Fiber-based Fabrics via Carbon Fiber-Carbon Microcoil Hybrid Formation or H2 Plasma Treatment

Using a thermal chemical vapor deposition system, carbon fiber-carbon microcoil (CF-CMC) hybrids were formed on carbon fiber (CF)-based fabrics. Although the CF-CMC hybridization reaction improved the shielding effectiveness (SE) values of CF-based nonwoven fabrics (c-NFs), it reduced the electrical conductivities of the nonwoven fabric. Because of the CF-CMC hybrid formation, the SE values of CF-based woven fabrics (c-WFs) were improved by more than twofold across the entire frequency range. This significant improvement was attributed in part to increased electrical conductivity, … Continue reading “Enhancement of Electromagnetic Wave Shielding Effectiveness of Carbon Fiber-based Fabrics via Carbon Fiber-Carbon Microcoil Hybrid Formation or H2 Plasma Treatment”

Quantum Mechanical Calculations for Reaction Path of O-R Bond Breakage in Some of Cefpodoxime Prodrugs: A Scientific Explanation

Posted on June 19, 2021Categories Chemical ScienceTags ,   Leave a comment on Quantum Mechanical Calculations for Reaction Path of O-R Bond Breakage in Some of Cefpodoxime Prodrugs: A Scientific Explanation

Unrestricted Hartree Fock (UHF) quantum mechanical calculations of proton transfer and reaction path of (O-R) bond rupture energies in nine cefpodoxime prodrug derivatives of different substituted organic groups, at their optimized geometries, are presented in this work. Using the Gaussian-09 program, the geometrical structure and some physical properties such as standard heat of formation, dipole moment, and total energies were calculated. The total energies of the reactants, activation energies, transition states, and end products were compared. In the vacuum phase, … Continue reading “Quantum Mechanical Calculations for Reaction Path of O-R Bond Breakage in Some of Cefpodoxime Prodrugs: A Scientific Explanation”

Metal Complexes in Biology and Medicine (Part – Metal (II) – α- Aminobutenoic Acid and Metal (II) – Hydroxyproline Binary Complexes)

Posted on June 19, 2021June 19, 2021Categories Chemical ScienceTags , , , , , , ,   Leave a comment on Metal Complexes in Biology and Medicine (Part – Metal (II) – α- Aminobutenoic Acid and Metal (II) – Hydroxyproline Binary Complexes)

The estimation of the stability or formation constants characterizing the equilibria corresponding to the successive addition of ligands provides a quantitative indication of a complex formation. The technique of paper ionophoresis is used to investigate equilibria in binary complex systems in solution. This method is based on the movement of a spot of metal ion in an electric field at various pH of background electrolyte. A graph of pH versus mobility was used to obtain information on the binary complexes … Continue reading “Metal Complexes in Biology and Medicine (Part – Metal (II) – α- Aminobutenoic Acid and Metal (II) – Hydroxyproline Binary Complexes)”

Greener Synthesis of O, S, N-Nitrogen-Containing Heterocycles in Water, PEG, and Bio-Based Solvents

Posted on June 19, 2021June 19, 2021Categories Chemical ScienceTags , , , ,   Leave a comment on Greener Synthesis of O, S, N-Nitrogen-Containing Heterocycles in Water, PEG, and Bio-Based Solvents

Solvents used in chemistry play an important role in the environmental performance of processes in corporate and academic laboratories. Their impact on costs, health safety, and the environment cannot be overstated. Quantitatively, solvents are the most abundant constituents of chemical transformations; therefore, acting on solvents and replacing standard solvents with safer products can have a great ecological impact. However, not all green solvents are suitable for the wide scope of organic chemistry reactions. A second point to consider is that … Continue reading “Greener Synthesis of O, S, N-Nitrogen-Containing Heterocycles in Water, PEG, and Bio-Based Solvents”

Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route: An Advance Study

Posted on June 19, 2021Categories Chemical ScienceTags , , , ,   Leave a comment on Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route: An Advance Study

Averrhoa carambola fruit juice was used as a natural source of oxalate in the preparation of ti-doped zinc oxide and pure zinc oxide nanoparticles via a modified oxalate route. FTIR, TGA, and XRD were used to investigate the properties of the precursors. The investigation revealed that the precursors are zinc oxalate and Ti-doped zinc oxalate, which readily decompose at room temperature. 450°C. The as-prepared precursors were calcined for 4 hours at 450°C, and the decomposition products were characterized using XRD, … Continue reading “Structural Characterization and Magnetic Properties of Undoped and Ti-Doped ZnO Nanoparticles Prepared by Modified Oxalate Route: An Advance Study”

Low Level of Kerosene Adulteration in Petrol Studied by Fiber Optics

Posted on June 19, 2021Categories Chemical ScienceTags , , ,   Leave a comment on Low Level of Kerosene Adulteration in Petrol Studied by Fiber Optics

The smallest amount of kerosene in petrol can have a negative impact on the operation of a vehicle engine. This paper develops a simple, low-cost, sensitive, and miniature sensor based on a fiber optic coupler and an optoelectronic detection system. The sensor has been modeled and tested. It has been discovered that the current sensor is only capable of detecting less than 5% of kerosene adulteration in gasoline. It is capable of detecting 1% variation in adulteration. The sensor’s size … Continue reading “Low Level of Kerosene Adulteration in Petrol Studied by Fiber Optics”

Isolation, Characterizations of Bioactive Principles from Melia dubia Leaf and Its In-silico and In-vitro Urolithiatic Activity

Posted on June 19, 2021Categories Chemical ScienceTags , , , , , , , ,   Leave a comment on Isolation, Characterizations of Bioactive Principles from Melia dubia Leaf and Its In-silico and In-vitro Urolithiatic Activity

Many medicinal plants contain a wide range of bioactive compounds at various levels. The primary goal of this research is to identify and separate antioxidants from different extracts of Melia dubia leaves. Soxhlet extraction was used with solvents such as hexane, chloroform, ethyl acetate, methanol, water, and 70% ethanol. The anti-oxidant capacity of six extracts was determined using the simple and convenient DPPH method. Extracts with high scavenging activity Separation was achieved using chromatographic techniques, which were then characterized using … Continue reading “Isolation, Characterizations of Bioactive Principles from Melia dubia Leaf and Its In-silico and In-vitro Urolithiatic Activity”