American Journal of Nanosciences

Volume 5, Issue 4, December 2019

  • Bioremediation of Crude Oil Polluted Soil Using Biofertilizer from Nitrogen-fixing and Phosphate-solubilizing Bacteria

    Barivule Girigiri, Caroline Nchedu Ariole, Herbert Okechukwu Stanley

    Issue: Volume 5, Issue 4, December 2019
    Pages: 27-38
    Received: Oct. 24, 2019
    Accepted: Nov. 14, 2019
    Published: Nov. 19, 2019
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    Abstract: This study examined bioremediation of crude oil polluted soil (PS) stimulated with nitrogen-fixing bacteria (NFB) and phosphate-solubilizing bacteria (PSB). Five set-ups designated as A (500 g PS + 50 g NFB); B (500 g PS + 50 g PSB); C (500 g PS + 50 g NFB+PSB); D (500 g PS + 50 g NPK); and E (500 g PS only: control) were designed. Total petroleum ... Show More
  • Liberation Studies of Composite Particles in Iperindo Gold-bearing Rock, Southwest Nigeria

    Adetula Yomi Vincent, Alabi Oladunni Oyelola, Ola-Omole Omoyemi Omole

    Issue: Volume 5, Issue 4, December 2019
    Pages: 39-42
    Received: Oct. 22, 2019
    Accepted: Nov. 20, 2019
    Published: Nov. 25, 2019
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    Abstract: The research investigates the liberation size of composite particles in Iperindo lode deposit at Ilesha goldfield in Osun state, Nigeria. The sample of the gold ore was sourced from Iperindo and 3 kilograms of gold ore was prepared by crushing and grinding to 100% passing 710µm sieve. 300 grams of the prepared ore was charged into set of sieves arr... Show More
  • Chemical and Mineralogical Studies of Gold-bearing Rock in Iperindo, Ilesha Goldfield, Southwest Nigeria

    Adetula Yomi Vincent, Ozah Blessing, Alabi Oladunni Oyelola, Marindoti Damilola Missturah, John Ade Ajayi

    Issue: Volume 5, Issue 4, December 2019
    Pages: 43-47
    Received: Oct. 22, 2019
    Accepted: Nov. 21, 2019
    Published: Nov. 26, 2019
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    Abstract: This paper provides chemical and mineralogical studies on Gold-bearing rock ore. The samples used was sourced from Iperindo at Ilesha Local Government Area of Osun state, Nigeria. 500g of the ore was weighed using digital weighing balance. The samples were crushed and ground until 80% passing of 75 μm sieve. The ground ore was blended homogeneously... Show More
  • Investigation of Thermal, Structural and Electrical Properties of LaMnO3-Sigma

    Kassahun Lewetegn Damena

    Issue: Volume 5, Issue 4, December 2019
    Pages: 48-55
    Received: Oct. 24, 2019
    Accepted: Nov. 18, 2019
    Published: Nov. 26, 2019
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    Abstract: LaMnO3 is one of the most intensively studied cathode materials for solid oxide fuel cell (SOFC). In the present study, LaMnO3-d, cathode materials were synthesized by combustion method. The properties of synthesized materials like thermal, structural, electrical and electrochemical were investigated. Thermogravimetric analysis (TGA/DTA) analysis c... Show More
  • Identifying an Improved Jute Variety Preferring Physico-chemical Properties

    Mubarak Hossen, Ayesha Khatton, Fa Dilruba

    Issue: Volume 5, Issue 4, December 2019
    Pages: 56-58
    Received: Oct. 29, 2019
    Accepted: Nov. 27, 2019
    Published: Dec. 05, 2019
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    Abstract: There are so many fibres, but not all of them are textile. Textile materials are generally soft, flexible, and capable of being transformed into desired shapes without resistance and durable over a reasonable period of wear. Jute –the Golden fibre of Bangladesh is used widely for various purposes. For the assessment of fibre quality of three types ... Show More
  • Fabrication, Mechanical Characterization and Interfacial Properties of Bamboo and E-glass Fiber Reinforced Polypropylene-based Composites

    Kamrun Nahar Keya, Nasrin Afroz Kona, Ruhul Amin Khan

    Issue: Volume 5, Issue 4, December 2019
    Pages: 59-66
    Received: Oct. 31, 2019
    Accepted: Nov. 27, 2019
    Published: Dec. 05, 2019
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    Abstract: Bamboo and E-glass fiber-reinforced polypropylene (PP) based composites (50 wt% fiber) were fabricated by compression molding. Tensile strength (TS), bending strength (BS), tensile modulus (TM), bending modulus (BM) and Elongation at break (%) of the bamboo fiber reinforced PP composite was found to be 62 MPa, 78 MPa, 4.96 GPa, 5.76 GPa, and 5.0%, ... Show More
  • Contamination of Heavy Metals, Source, Effects on Leaving Things and Different Remediation Techniques in Soil: A Review

    Alemnesh Sisay

    Issue: Volume 5, Issue 4, December 2019
    Pages: 67-75
    Received: Nov. 01, 2019
    Accepted: Nov. 27, 2019
    Published: Dec. 05, 2019
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    Abstract: Different researches showed that contamination of heavy metals in soil has become more and more serious, which affects Both soil fertility degradation and detrimental to human health through food chain causing adverse effects on human health. The concentration of metals beyond Maximum Permissible Level (MCL) leads to number of nervous, cardiovascul... Show More
  • Preparation of Stable Microemulsions with Different Droplet Size

    Hu Shiyu, Chen Jiaxuan, Zhu Yeting, Wei Yelu, Di Tongtong, Shen Hangyan

    Issue: Volume 5, Issue 4, December 2019
    Pages: 76-82
    Received: Nov. 07, 2019
    Accepted: Nov. 28, 2019
    Published: Dec. 10, 2019
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    Abstract: Microemulsion is a widely used technique for preparing nanoparticles. The droplet size in stable microemulsions is a key parameter for limiting the size and shape of the formed nanoparticles. In this paper, the stable microemulsions were synthesized by two titration methods, the water titration method and the co-surfactant titration. Six reagents w... Show More