The Egyptian Journal of Pure and Applied Science is committed to publishing a wide range of topics and disseminating scientific data among researchers in the field of pure and applied sciences. Mainly welcome contributions across all areas of biology, green chemistry, environmental integrity & sustainable development, biosensors & renewable energy, physics, mathematics & computer science, nano-science & nano-biotechnology, earth science (geoscience). The most important standard for acceptance of submitted articles is the scientific value. Articles must therefore pose and test a significant hypothesis that will provide new perspectives and approaches to researcher’s understanding, and in turn will excite the interest of the wide readership of the journal.