Karina Milagros R. Cui- Lim, Judy Ann H. Brensis, Flyndon Mark S. Dagalea, Marlon John M. Bangco, Maria Rosabel Castillo, Hannah G. Pulga, Mark Gil M. Cruz, Jaymar L. Erivera, Feraldine M. Chiquito, Tom Jericho L. Abobo, Mary Jane Madario & Cherry I. Ultra·Asian Journal of Physical and Chemical Sciences·2020
Northern Samar is abundant when it comes to nipa resource which has a big potential as a raw material for ethanol. Utilization of nipa in Northern Samar is not optimal due to low interest and ability to process into useful products. The main aim of the study is to extract ethanol...
Open access
Research Article10.9734/ajopacs/2020/v8i430125
This work presents the results on the preparation of new readily available zirconium-containing arylimine complex catalytic systems and their application together with metallocenes in ethylene polymerization. For this purpose, zirconium complexes with grafted ionic liquid type li...
Open access
Research Article10.9734/ajopacs/2020/v8i430124
Chemical adsorption of anatase TiO2, silver nanoparticles (Ag NPs), and Cu particles (Cu Ps) on aluminum (Al) surface yielded an active surface-enhanced Raman scattering (SERS) substrate. TiO2 is known to reduce both silver (Ag) and copper (Cu). In an oxidizing environment, Ag NP...
Open access
Research Article10.9734/ajopacs/2020/v8i430123
Potassium (K) is the third most important major plant nutrient with numerous functions. The availability of K depends on concentration relative to that of Ca2+ and Mg2+ than on the total quantity of K present. The level of extraction of K by different extractants followed the ord...
Open access
Research Article10.9734/ajopacs/2020/v8i430122
Magnetic skarn ore (MSO) is one of the major copper bearing ore extracted by the Ok Tedi Copper Mine in Papua New Guinea (PNG). Copper minerals are recovered by flotation while the iron not associated with copper are discarded as tailings. The objective of this investigation was...
Open access
Research Article10.9734/ajopacs/2020/v8i430121
Aims: In the determination of the effect of Parity on Body Mass Index (BMI) and Body Surface Area (BSA). Study Design: Pregnant Women Body Mass Index (BMI) and Body Surface Area (BSA) measurements, Number were used in this study. Place and Duration of Study: The data on the vario...
Open access
Research Article10.9734/ajopacs/2020/v8i330120
Water samples labeled A, B, C, D and E from five different boreholes in Unwana were analyzed to assess the level of toxicity and essential trace elements present. The results obtained showed slight variation in temperature for all the samples, having sample B, recording the highe...
Open access
Research Article10.9734/ajopacs/2020/v8i330118
Maize plants have different aerial roots from those that serve as an anchor and develop on the stem and live in the atmosphere. Much literature has reported that aerial roots are able to absorb moisture from the air, and even reduce water loss. But very little is known about the...
Open access
Research Article10.9734/ajopacs/2020/v8i330119
We report structure and electronic properties of Au-Pd, Au-Pt and Au-Ag bimetallic atomic chains absorbed on NiAl(110) and Cu(110) substrate. It is found that the presence of substrate significantly influences the electronic structure of the chains. Atoms of single chains of Au-P...
Open access
Research Article10.9734/ajopacs/2020/v8i330117
The Electrochemical Impedance Spectroscopy (EIS) measurements of Sol-gel synthesized ZnO, CuO and their respective hydrogenated phases (ZnO:H and CuO:H) for a proton-type battery model has been reported for the first time. The XRD patterns confirmed that CuO and ZnO were phase p...
Open access
Research Article10.9734/ajopacs/2020/v8i330116
In this work I review of the theoretical and experimental issue related to the Rashba Spin-Orbit interaction in semiconductor nanostructures. The Rashba spin-orbit interaction has been a promising candidate for controlling the spin of electrons in the field of semiconductor spint...
Open access
Research Article10.9734/ajopacs/2020/v8i230115
Removal of Pb (II) ion from aqueous solution using Hymenoptera sphecidae (mud-wasp) nest was investigated using a batch process. The effect of pH, contact time and adsorbent dose were also investigated. The result showed that the adsorption of Pb (II) ion onto mud-wasp nest was d...
Open access
Research Article10.9734/ajopacs/2020/v8i230113
In this paper, we applied the semi-classical quantization approximation method to solve the radial Schrödinger equation with a generalized Pseudoharmonic potential. The four turning points problem within the framework of the Wentzel-Kramers-Brillouin (WKB) method was transformed...
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Research Article10.9734/ajopacs/2020/v8i230112
The complexes of Co and Cu with sulfamethoxazole (SMZ) were synthesized in the 1:2 molar ratios. The physical characterization of the ligand and the complexes showed different colours with a good % yield and high melting point/decomposition temperature. The solubility test of the...
Open access
Research Article10.9734/ajopacs/2020/v8i230111
In this study, we discussed the optical properties (Faraday rotation, transmittance and Merit factor) of two samples of magnetic liquids synthesized by co-precipitation and an additional hydrothermal synthesis of cobalt ferrite (CoFe2O4) developed according to the protocol develo...
Open access
Research Article10.9734/ajopacs/2020/v8i230110