Mr Serghei Zaitev

Academic Writer

Serghei Zaitev
713
Articles Published

Serghei is a freelance academic writer specialising in supporting/tutoring chemistry students. He started working as a writer immediately after graduating from the University of Liverpool in 2011. Currently, in his role at UK Essays, he supports students with science essays, assignments, term papers, dissertations (and viva speeches), posters and presentations.

Areas of Expertise

Chemistry

Articles by Serghei Zaitev

Heterocycles: Types and Biosynthesis

Essay. Published: 29 January 2018

Heterocycles1 are one of the major classes of organic compounds. They are cyclic compounds containing one or more heteroatom (oxygen, nitrogen, sulphur etc.). These compounds are of biological and in…

Analytical Approaches in the Pharmaceutical Industry

Essay. Published: 29 January 2018

Miracles do happen and chances of happening such events are rare. Scientific discoveries have also seen such miracles. The approach and efforts required in scientific happenings are based on basic pr…

Chromium and Selenium Concentration in Cancer

Essay. Published: 29 January 2018

The ratio between chromium and selenium concentration among various age groups of cancer group has also been studied and it shown in table 5.48, and it has been observed that all groups of cancer pat…

Synthesis and Characterization of Tetraphenyltin

Essay. Published: 29 January 2018

ABSTRACTS Tetraphenyltin in high yield has been prepared by the reaction of chlorobenzene, chlorotin (IV) and sodium metal in dry toluene characterized by Infra-red spectroscopy. Introduction Organic…

Colon Specific Drug Delivery

Essay. Published: 29 January 2018

ABSRACT The colon is a site where both local and systemic delivery of drugs can takes place. Colon specific drug delivery has achieved importance for the delivery of drugs for the treatment of local …

Computational Study of Carbon Nanotube (CNT)

Essay. Published: 29 January 2018

We studied the electronic structure properties including bond lengths, bond angles, dipole moments (μ), energies, band gaps, the NMR parameter of the six C, Si, Ge doped SWBNNTs models by means of DFT calculations….

Synthesis of Polyelectrolyte Pani Membrane

Essay. Published: 29 January 2018

SYNTHESIS OF POLYELECTROLYTE PAni MEMBRANE BY PHASE INVERSION AND ITS CHARACTERIZATIONS NURUL IZZATI IZNI BT MAT YUSOFF   INTRODUCTION During the last few decades, the application of membrane b…

Determining Ethanol in Fermented Glutinous Rice

Essay. Published: 29 January 2018

1.0 Introduction Fermented glutinous rice is a popular dessert among Malaysian consumers. It consist of carbohydrate such as rice and it need to be fermented for a few days until the glucose have bee…

MEL and Analogues: Structures and Properties

Essay. Published: 29 January 2018

CHAPTER 2 LITERATURE REVIEW 2.1 Melamine MEL is an organic compound which had been closely associated with milk adulterant scandal between the year 2007 and 2008. Having a chemical formula of C3H6N6,…

Enthalpy of Displacement

Essay. Published: 29 January 2018

Saran Singh Sound Aim: To determine the enthalpy change of displacement between zinc powder and copper sulphate Zn (s) + CuSO4 (aq) Cu (s) + ZnSO4 (aq) Chemicals – CuSO­­­4 Solution ( concen…

Quantitative Chemical Analysis

Essay. Published: 29 January 2018

Quantitative chemical analysis, which is commonly referred to as stoichiometry, is the quantitative relationship between the reactants and the products in a balanced chemical equation. The term stoic…

Removal of TBP From Aqueous Phase

Essay. Published: 29 January 2018

ABSTRACT PUREX process involves the use of 30% TBP in Dodecane to extract the fissile materials. However, due to mutual solubility some amount of TBP gets transferred into the aqueous phase. This tra…

Nanotechnology based Drug Delivery Systems

Essay. Published: 29 January 2018

Richard Chen Introduction In the past century, nanotechnology has been a prominent theme for many science fiction writers. However, thanks to recent developments in chemistry and manufacturing, we …

Synthesis Method of Napthoyl-thiourea Derivatives

Essay. Published: 26 January 2018

CHAPTER 3 METHODOLOGY This chapter explains briefly on the synthesis method of napthoyl-thiourea derivatives, experimental characterization techniques (CHNS, FTIR, UV-Vis, UV-F, 1H and 13C NMR, Singl…

Optically Active Polymers

Essay. Published: 26 January 2018

Optically active polymers play very important role in our modern society. The speciality of optically active polymers are known with its various characteristics as occurred naturally in mimicry. The …

The Reductive Carbonylation of Organic Nitro Compounds

Essay. Published: 26 January 2018

Introduction: The development of environmentally more benign and efficient synthetic methods has stimulated the evolution of new strategies and technologies for the synthesis of useful products in a …

Developing Natural Gas Sweetening Processes

Essay. Published: 26 January 2018

Introduction Natural gas contains large amounts of methane (CH4), but also all kinds of impurities such as sour gases (e.g., H2S and CO2). The acid gases in the natural gas should be removed to com…

Analysis of Heavy Metals Contamination in Urban Dust

Essay. Published: 26 January 2018

Literature Review 2.1 REVIEW OF REPORTED STUDIES 2.1.1 Assessment of Heavy Metal in Street Dust in Kathmandu Metropolitan City and their Possible Impacts on the Environment. Chirika S.T. &#03…

Poultry Waste as an Organic Fertilizer

Essay. Published: 26 January 2018

LITERATURE REVIEW The several studies have been reported that the higher amounts of metals are present in different organic wastes, such as poultry fertilizer (Lopes et al., 2011; Bolan et al. 2004) …

Ammonium Dihydrogen Phosphate (ADP) Crystals Structure

Essay. Published: 26 January 2018

Ammonium dihydrogen phosphate (ADP) crystals are widely used as the second, third and fourth harmonic generator for Nd:YAG and Nd:YLF lasers. It belongs to the tetragonal system with the space group …