Recently Dalal and Govil [5] proved that, for any set of positive numbers {Ak}k=1 such that ∑n k=1 Ak = 1, a complex polynomial P (z) = ∑n k=0 dkz k (dk = 0, 0 ≤ k ≤ n) has all its zeros in the annulus A = {z : r1 ≤ |z| ≤ r2}, where r1 = min 1≤k≤n { Ak ∣∣∣d0 dk ∣∣∣ } 1 k and r2 = max 1≤k≤n { 1 Ak ∣∣∣dn−k dn ∣∣∣ } 1 k . This paper presents the best possible results in the same direction by ident...

Production cost of enzyme is largely determined by the type of the strain and raw material used to propagate the strain. Hence, selection of the strain and raw materials is crucial in enzyme production. For Glucose oxidase (GOx), previous studies showed Aspergillus terreus UniMAP AA-1 offers a better alternative to the existing sources. Thus, a lower production cost could be logically anticipat...

In this paper, we obtain the annuli that contain all the zeros of the polynomial p(z) = a 0 + a 1 z + a 2 z 2 + · · · + a n z n , where a i 's are complex coefficients and z is a complex variable. Our results sharpen some of the recently obtained results in this direction. Also, we develop a MATLAB code to show that for some polynomials the bounds obtained by our results are considerably sharpe...

This paper presents radio wave propagation characteristics of a modern factory at a frequency of 2.4 GHz. Fading deeps from space diversity at transmitting and receiving antennas are proposed with measured data. These models provide both large scale fading and boundary limitation in which almost measured data is contained. There are five path loss categories, namely LOS, NLOS same area, NLOS di...

The continuing spread of Multidrug-Resistant Tuberculosis (MDR-TB), which is defined as TB that shows resistance to both isoniazid and rifampicin, become one the most urgent difficult challenges in control. In Indonesia, estimated total DR-TB case incidence 24,000 or 8.8/100,000 population (2.4% new patients). first-ever MDR-TB treatment guideline published by WHO required a long duration (up 2...