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Volume 21, Issue 65 - 69, July 2014

About the Cover

In the present paper, the mathematical model of single- substrate enzyme kinetics is discussed. We employ the new Homotopy perturbation approach to solve the coupled non-linear differential equations containing a non-linear term related to basic Henri-Michaelis–Menten rate equation. The analytical expressions for concentration of substrate, enzyme- substrate complex, free enzyme and product have been derived for all values of rate constant. A numerical simulation is also reported using Matlab software program. Our analytical results are compared with our simulation results. A good agreement is noted between analytical and numerical results.


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DISCOVERY OF THE MONTH

Discovery of Anergates atratulus by H. St. JK Donisthorpe and WC Crawley on July 23, 1912

Brindha V

Anergates is a monotypic genus of myrmicine ants consisting of the single species. It is a worker-less obligate parasite to Tetramorium caespitum, the "lawn ant" or "pavement ant", and is thought to have evolved as an aberrant form of the genus Tetramorium. It is distributed in Eurosiberia and eastern parts of North America.

Discovery, 2014, 21(65), 6

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ANALYSIS

Analytical expression of concentrations in single-substrate enzyme kinetics

Meena V, Sriviveka saratha N, Rajendran L

In the present paper, the mathematical model of single- substrate enzyme kinetics is discussed. We employ the new Homotopy perturbation approach to solve the coupled non-linear differential equations containing a non-linear term related to basic Henri-Michaelis–Menten rate equation.

Discovery, 2014, 21(66), 37-44

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PERSPECTIVE

Personal Air Vehicle & VTOL: An Insight

Ravi Katukam

The rapid progress seen in the areas of Science and Technology have not resolved even some of our basic transportation issues. The challenges only seem to have increased with the passage of time. The ever increasing population coupled with the increasing trends of transportation requirements is pushing the scientists and the R&D engineers across the globe to invent and discover more efficient aircrafts which are not only eco-friendly but also provide a convenient and cost effective means of transportation of man and material.

Discovery, 2014, 21(69), 128-134

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ANALYSIS

A study of mining frequent subgraphs using graph classification algorithms

Naga Jyothi P, Rajya lakshmi D, Chandra Prakash V

There are many underlying relationships among real world data in several areas of science and engineering like computer vision, molecular chemistry and biology, pattern recognition, bioinformatics, web exploration and data mining, which can be represented in terms of graphs. Progressively the research had been extended from mining frequent items and sequences to mining structures which takes in the form of trees, graphs, and lattices.

Discovery,2014, 21(69), 135-139

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Investment Climate and Rising Insurance Premiums in the Energy Industry

Vrushal T Ghoble

Around two - third of the world's oil trade ( crude oil & refined products) moves through tankers and other carriers. Oil transported by sea flows through fixed routes. Also, in the recent years the growth of new oil and gas exporting countries has increased. Even then, the Gulf region remains an energy hub for the global consumers at large. However, when the importing countries undergo huge risks and investment, these imports have no longer remained safe. External threats like piracy, civil war or terrorism have threatened the secure transit of energy supplies.

Discovery, 2014, 21(69), 140-144

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RESEARCH

Comparative study of the drinking water quality analysis of well water samples in rural, coastal and town areas

Divya S Rajan, Sreedhanya VP

Water is one of the most abundantly available substances in nature and hence known as elixir of life. Hence an attempt has been made to assess the well water quality status of the rural, coastal and town regions. The present study is about the comparative analysis of drinking water from three different regions – Rural, Coastal, and Town areas of Kottayam and Alappuzha districts.

Discovery,2014, 21(69), 145-151

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Creative Commons License

© The Author(s) 2014. Open Access. This article is licensed under a Creative Commons Attribution License 4.0 (CC BY 4.0).