The present study aims to study the effect of pollution on a species of rabbitfish, marbled spinefoot (Siganus rivulatus), seasonally caught from two polluted areas-El-Mex Bay and Abu-Qir Bay and non-polluted areas. The rocky coast between Kayet Bey Fork and El-Boughaz opening in the Eastern Harbor toward the open sea was taken as control area. Water quality, activities of gill ATPases and accumulation of cadmium, copper, iron, lead, and zinc in white muscle, gills, and liver were assessed to assess seasonal changes. Activities of Na+/K+-, Ca2+- and Mg2+-ATPase reached maxima in summer in fish caught from control area while the activity decreased in the two polluted areas. Accumulations of heavy metals were highest in summer and spring. The order of accumulation was Fe>Zn>Cu>Pb>Cd. The combined effects of increased heavy metals accumulation and low salinity of El-Mex Bay decreased the activity of the ATPases.

In this study, three-dimensional differential transform method has been introduced and fundamental theorems have been defined for the first time. Moreover, as an application of three-dimensional differential transform, exact solutions of non-linear system of partial differential equations have been investigated. The results of the present method are compared very well with analytical solution of the system . Differential transform method can easily be applied to linear or non-linear problems and reduces the size of computational work. With this method exact solutions may be obtained without any need of cumbersome work and it is an useful tool for analytical and numerical solutions.

The effect of acclimation to the temperatures 15, or 26°C for four weeks on the antioxidant enzymes of liver and white muscle of Nile tilapia juveniles (16±2.6 g) was studied. Liver is a central organ in xenobiotic metabolism and muscle tissues, which comprise about 60-65% of fish weight, and their enzyme activity generally corresponds the whole-animal metabolism (Hazel and Prosser, 1974, Physiol. Rev., 54, 620-677). The studied enzymes were antioxidant enzymes superoxide dismutase (SOD), catalase (CAT), glutathione-peroxidase (GPx), glutathione-S-transferase (GST), and glutathione reductase (GR), ?-glutamylcysteine synthetase (?-GCS) and ?-Glutamyl transferase (?-GT) related to glutathione synthesis in liver and white muscles. The activity of liver and white muscle enzymes increased significantly in fish acclimated to 26°C in comparison with that acclimated at 15°C.

Production of plant hormones by bacteria on seed germination and seedling under saline condition were studied. Indole acetic acid producing all of bacterial isolates were inoculated with triticale seeds. Seed dormancy enforced by salinity (150 mM) was alleviated. Triticale seed germination was increased from 63.3 to 87 %. In this study, the inoculation of triticale seeds with Pseudomonas fluorescens significantly increased seed germination at 150 mM NaCl condition compared to control. This indicated that such phytohormones producing isolate could help in increasing seed germination and also crop growth.

In this research, Probabilistic Periodic review single-item inventory system with varying order cost and zero lead-time under three linear constraints is treated. The expected total cost of inventory management is composed of three components: the average purchase cost, the expected varying order cost and the expected holding cost. This model is solved by using a modified Geometric Programming approach (GP). Then, the optimal number of periods and the optimal maximum inventory level for the item are obtained which required for calculating the minimum expected total cost. A classical model is derived as a special case and a numerical example is solved to confirm the model.

Objective:\nTo determine the frequencies and associated risks factors V Leiden (G1691A),\nProthrombin (G20210A), and MTHFR (C677T) gene in Patients with Deep Vein Thrombosis\n(DVT) or suffering from Recurrent Pregnancy Loss (RPL).\nMethods:\nThe study was done on 70 female patients had history of (DVT), 70 had (RPL), and\n70 healthy women included as control group, DNA was extracted from EDTA blood\nsamples, three mutations were determined by using PCR followed by Cardiovascular\nDisease (CVD) StripAssay (Vienna Lab, Austria), frequency and odd ratio at 95%\nconfidence interval were obtained to estimate the associations.\nResults:\nThe frequencies and odd ratios of the three mutant genes in patients with DVT were\nas follow; factor V Leiden 2.9% (P= 1, OR= 1), prothrombin A20210G 7.1% (P=\n0.4, OR= 1.7) and MTHFR 1.4% (P= 1, OR= 1), odd ratios with 95% showed no\nassociations.\nThe frequencies and odd ratios of the three mutant genes in patients with RPL were;\nfactor V Leiden 4.3% (P= 0.6, OR= 1.5), prothrombin A20210G 5.7% (P= 0.7, OR=\n1.6), and MTHFR 2.9% (P= 0.5, OR= 2), likewise insignificant odd ratios were\nobtained.\nConclusion:. In conclusion lower frequencies of factor V Leiden (G1691A)\nprothrombin A20210G, and MTHFR C677T mutant genes, with lower impact in the\nrisk of DVT or RPL compared to controls.

To reasonably identify the signaling biomarkers of specialized wet-based ligninolytic cascade by white-rot fungus Phanerochaete chrysosporium, the open signals of fungal metabolome were complementarily evaluated based on the multivariate analysis via both partial least squares (PLS) and orthogonal projections to latent structures (OPLS) tools. The variable influence on projection of the two targeting approaches showed that 8 proactive regulators (e.g., oxalate, malonate, malic acid, and mannitol) are the strongest part of the P. chrysosporium’s bionetworking system. Remarkably, based on the well-known mechanism of peroxidative P. chrysosporium lignocellulolysis, it is actually a beautiful demonstration of core operating points (for active ligninolysis). In a view of selective efficiency of the two multivariate algorism options, interestingly, the results of specialized metabolomic profiling showed that PLS (with optimal fitting) may be better than OPLS for discriminant patterning. Furthermore, to determine independent variables for metabolic standardization, the uninterrupted meddling of unsupervised principal component analysis may be unavoidable in kaleidoscopic peroxidation pools. The suggested formats may be used to provide the conceptual advance on fungal-based metabolomic targeting as well as to contribute to the methodological reform of traditional biomass biopretreatment process.

This article is a straightforward introduction to symmetry methods\nto solve system of fractional differential equations. The nonlinear system\nof fractional differential equations is used as an example to illustrate the\neffectiveness of the Lie group method and exact solution is obtained.

Genetically modified foods (GMFs) yields have continued to grow geometrically annually, thereby encouraging their planting worldwide, in spite of the persistent health and environmental controversies on genetically modified organisms (GMOs) and GMFs. About 60% to 70% of consumable processed food contain GM ingredients in industrialized countries. Some have crept into Nigeria through food aids and imports. This study assessed perception of food consumers on GMFs in Enugu, Nigeria. Structured questionnaire were employed to elicit information from respondents. The results showed that 33.3% respondents had positive attitude to GMFs, 28.3% had negative attitude, 26.7% were uncertain, and 11.7% were indifferent. Respondents (58.3%) would buy and/or eat GMFs, while 41.7% would not. About 38.3% of the respondents would eat and/or buy GMFs for nutritional benefits, 3.3% for their desire for new things, and 16.6% for better taste and better looks. About 55% of the respondents thought GMFs could cause damage health, 31.7% of they would not, and 13.3% of the respondents were not sure. About 65% of the respondents believed GMFs were artificial, 23.3% thought otherwise, and 11.7% had no view. About 61.7% of the respondents thought Nigeria should legalize the importation and production of GMFs, while the rest (38.3%) thought Nigeria should not legalize the importation and production of GMFs. About 61.7% of the respondents thought Nigeria should legalize the importation and production of GMFs, while 38.3% disagreed. GMFs were of good interest to 41.7% of respondents, 21.7% of the respondents were fairly interested in GMFs, 15% were neutral, and another 21.7% were indifferent. This study recommended an awareness campaign that will provide information on the benefits and the possible risks inherent in GMFs to consumers. Seminars, workshops and conferences should be conducted to keep scientists and at large all stakeholders abreast of the developments in the field of biotechnology.

Abstract - The anterior couple of years have visually perceived an expanding exuberance for the advancement of wireless sensor networks. In any case, the inadmissible or constrained accessible energy source is one of the authentic bottlenecks which are restricting the wireless sensor technology from mass sending. Encompassing energy harvesting is the most providing so as to inspirit series towards self-governing sensor nodes minimal effort, lasting, and upkeep free energy source. In this paper, we initially contributed accessible energy source, for example, solar, vibration, thermal and other potential energy sources, and depicted the numerical model of every energy source. Withal, a novel adaptive topology maximum point power tracking technique is proposed. This technique is that progressions the solar cells array from series to parallel or series parallel coalesced approach to discover a best cluster that yields the maximum power. This method utilized as a component of other energy source. Conclusively, we acquired the developed energy generator: vibration, thermal, and solar boards to quantify and check the yield power of every energy source. The tribulation result demonstrated that the conversion efficiency of this novel MPPT technique can achieve 60%-80% in open air and it can supply adequate energy to wireless sensor nodes.

The synthesis of new hetero-amino derivatives of angular phenoxazine dye was thoroughly investigated. This was accomplished by the condensation of 2-aminophenol with 2,3-dichloro-1,4-naphthoquinone in an alkaline medium to furnish a good yield of the intermediate, 6-chlorobenzo[a]phenoxazine-5-one (6). Buchward-Hartwig cross-coupling of the intermediate with various amines, viz: 2-amino-4-methylpyridine, 2-aminopyridine, 2-amino-3-hydroxypyridine, aniline, 4-nitroaniline, 4-aminophenol and 2-aminophenol via water-mediated catalyst activation protocol in a mixture of DMF and toluene as solvent at a temperature of 110 oC yielded the amino derivatives of angular phenoxazines, 6-(4-methylpyridin-2-ylamino)benzo[a]phenoxazin-5-one, 6-(pyridine-2-ylamino)benzo[a]phenoxazin-5-one, 6-(5-nitropyridin-2-ylaminobenzo[a]phenoxazin-5-one, 6-(pyrazin-2-ylamino)benzo[a]phenoxazin-5-one, 6-(3-hydroxypyridin-2-ylamino)benzo[a]phenoxazin-5-one, 6(4-hydroxyphenylamino)benzo[a]phenoxazin-5-one and 6-(2-hydroxyphenylamino)benzo[a]phenoxazin-5-one respectively. Structures were established by spectral analyses and micro-analytical data.