Removal of Nickel from Plating Wastewater Using the Magnetic Flocculant PG-M

Abstracts

In this study, a new kind of magnetic particle functionalized biopolymer (PG-M) was applied to remove nickel from plating wastewater. The key parameters of pH, adsorption time, the mass of adsorbent, and shaking speed were investigated to optimize conditions. Batch experiments were conducted with actual samples collected from a manufacturer having an initial nickel concentration of 143.73 mg/L at pH 5. The highest removal efficiency of Ni2+ ions was greater than 99% when 1 g/L of the PG-M material was added to the solution (pH=10) and stirred at 200 rpm for 20 min. The desorption of this adsorbent was performed in a 0.1 M solution of HCl and the removal efficiency of Ni2+ ions unchanged after nine cycles. The Ni2+-loaded PG-M magnetic flocculant was easily separated from the solution by an external magnet.

Keywords :

Heavy metal; nickel; adsorption; PG-M.

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Shiga Toxin Producing Strains of Escherichia coli (STEC) Associated with Beef Products and Its Potential Pathogenic Effect

Abstracts

Background: Contaminated beef products sold in Nigeria are widely consumed by all with little or no knowledge of the presence or occurrence of possible pathogen.

Methods: The current study investigated the presence of shiga toxin producing strains of E. coli(STEC) in beef products using selective and chromogenic media. Furthermore, the pathogenicity of STEC was determined in vivo using established methods.

Results: E. coli was isolated from all beef samples while 30 % (mean) were reported to be STEC. There was a dose-dependent increase in the levels of alanine aminotransferase, aspartate aminotransferase and alkaline phosphatase observed in the serum of all mice exposed to STEC. This was also confirmed by an obvious damage in the livers and kidneys of the affected mice.

Conclusion: By and large, the result of this study shows that beef products sold in Benin City, Edo State, Nigeria are loaded with STEC, which could pose grave problem for consumers. Hence, effort should be made to minimize their presence in beef, and to prevent possible outbreaks.

Keywords :

Public health; STEC; haemolytic uremic syndrome; alanine aminotransferase; aspartate aminotransferase; alkaline phosphatase.

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Influence of Organic and Inorganic Manures on Macro-Nutrients, Micro-Nutrients and Anti-Nutrients in two Amaranth spp in Kiambu Couny, Kenya

Abstracts

An experiment was carried out to investigate the influence of organic and inorganic manure on macronutrients, micronutients and antinutrients in two Amaranth spp.  The experimental design was Randomized Complete Block Design (RCBD) in a factorial arrangement with three replicates, consisting of three factors which are A. tricolar and Acruentus Amaranth spps, three rates of NPK Compound fertilizer 17-17-17 at 0, 250 kg ha-1 and 500 kg ha-1.Three rates of quail organic manure at 8.45 t ha-1,16.9 t ha-1 and control (no fertilizer applied). Secondary metabolites were also investigated in the two amaranth species. The experiment was carried for two seasons. The result showed that, Nitrogen increased from 1.87% at control to 2.27% when 16.9 t ha-1+250kg ha-1 was applied in A. cruentus variety and at the same rate, A. tricolor had 1.79%, 2.93% at control and16.9 t ha-1+250 kg ha-1 respectively. In season one, at 16.9 t ha-1+250 kg ha-1 Nitrogen in A. cruentus increased from 2.27% to 2.73% but in A. tricolor the nitrogen content increased to 2.98% in the second season. The highest potassium was 1.03% in A. cruentus and the same variety recorded the highest potassium of 1.04% in the second season at 8.45 t ha-1 +500 kg ha-1.Iron increased from 69.58% at 16.9 t ha-1+250 kg ha-1 to 191.2% when 8.45 t ha-1+500 kg ha-1  of NPK was applied in   A. cruentusA. cruentus in season one at 8.45 t ha-1 +500 kg ha-1 had 40.33GAE/kgDM total phenolic content whereas A. tricolar at the same application had 40.67gGAEkg/DM, in season two A. cruentus had the highest total phenolic compound of 42.33 g GAE/kgDM. A. tricolor had 4.04 mg/100 gfw of oxalate in season one, in season two, A. cruentus had 3.25 mg/100 gfw whereas A. tricolor had 3.15mg/100gfw  in season two.

Keywords :

Amaranth spp; secondary metabolites; soil chemical properties.

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Neofusiccocum parvum as Uncommon Fungal Species (or Emerging Pathogen) on Strawberry Plants in Morocco

Abstracts

During a survey on fungi associated with decline symptoms on strawberry plant of Venicia variety, one species belonging to the Botryosphaeriaceae family was isolated. Based on morphological and cultural characteristics, this species identified as Neofusicoccum parvum was reported for the first time in Morocco. To verify the pathogenicity of the fungus, detached leaves of three strawberry varieties were inoculated artificially by depositing over their intact surface mycelia plug or conidial suspension from Nparvum. Severity index was greater on festival leaves reaching 88% compared to 77.73% on Sabrina. In the third treatment, Guariguette showed a low susceptibility with a severity index in order of 25.07%. Conidia concentration on the leaf surface of the Festival and Sabrina strawberry leaves was respectively 1.62 105 and 1.2 105 conidia cm-2. Otherwise, in the second treatment, it has been reduced to less than 1.41105 1.16 and 105 conidia.cm-2 on leaves of Festival and Sabrina respectively. After inoculation, the fungus was re-isolated from the lesions to verify Koch’s postulates.

Keywords :

Neofusicoccum parvumFragaria ananassa; pathogenicity; Morocco.

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Assessment of Levels of Heavy Metals in Paints from Interior Walls and Indoor Dust from Residential Houses in Nairobi City County, Kenya

Abstracts

Aim: This study assessed the levels of Pb, Cr, Cd and Zn in settled indoor dust and paint chips.

Study Design: Samples were obtained from twelve selected residential houses within Nairobi County, Kenya.

Place and Duration of Study: GoK Laboratories, Department of Chemistry, JKUAT between February 2016 and November 2016.

Methodology: A modified version of EPA method SW846 3050B was used to digest the samples, and Flame Atomic Absorption Spectrophotometer (Shimadzu AAS-6200) used to analyze samples for the metals. Pearson correlation coefficient was determined for the various metal pairs in paint chips as well as in the dust samples. Also, it was calculated for the given metals in the dust and paint chips samples from a particular sampling point.

Results: The mean concentration of the metals in both the dust and paint chip samples were in the order Zn>Pb>Cr>Cd. The mean concentrations of Zn, Pb, Cr and Cd  were 366.14 µg/g, 129.12 µg/g, 82.65 µg/g, and 27.40 µg/g for the dust samples and 321.77 µg/g, 289.59 µg/g, 77.54 µg/g, and 73.45 µg/g for the paint chip samples respectively. Pb, Cd, and Zn in the paint chips showed a negative relationship while Cr had a positive correlation.

Conclusion: The metals in the paint chips were found to be of common origin while the correlation of the various metal pairs in the dust suggested more diverse sources. Paint from interior walls is not the only contributor of heavy metals in the settled indoor dust.

Keywords :

Paint; settled indoor dust; heavy metals; FAAS; residential houses; Nairobi.

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Asian Journal of Research and Reports in Neurology

About this Journal

Asian Journal of Research and Reports in Neurology aims to publish high-quality papers (Click here for Types of paper) in all aspects of Neurology’. This journal facilitates the research and wishes to publish papers as long as they are technically correct, scientifically motivated. The journal also encourages the submission of useful reports of negative results. This is a quality controlled, OPEN peer-reviewed, open access INTERNATIONAL journal.

Every volume of this journal will consist of 4 issues. Every issue will consist of minimum 5 papers. Each issue will be running issue and all officially accepted manuscripts will be immediately published online. State-of-the-art running issue concept gives authors the benefit of ‘Zero Waiting Time’ for the officially accepted manuscripts to be published. This journal is an international journal and scope is not confined to the boundary of any country or region.

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Journal of Materials Science Research and Reviews

About this Journal

Journal of Materials Science Research and Reviews aims to publish high-quality papers (Click here for Types of paper) in all areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, all engineering materials, nanostructured materials, nanocomposites, and biological and biomedical materials. The journal also encourages the submission of useful reports of negative results. This is a quality controlled, OPEN peer-reviewed, open access INTERNATIONAL journal.

Every volume of this journal will consist of 4 issues. Every issue will consist of minimum 5 papers. Each issue will be running issue and all officially accepted manuscripts will be immediately published online. State-of-the-art running issue concept gives authors the benefit of ‘Zero Waiting Time’ for the officially accepted manuscripts to be published. This journal is an international journal and scope is not confined by the boundary of any country or region.

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Asian Soil Research Journal

About this Journal

Asian Soil Research Journal aims to publish high quality papers (Click here for Types of paper) in all aspects of soil research. The journal also encourages the submission of useful reports of negative results. This is a quality controlled, OPEN peer reviewed, open access INTERNATIONAL journal.

Every volume of this journal will consist of 4 issues. Every issue will consist of minimum 5 papers. Each issue will be running issue and all officially accepted manuscripts will be immediately published online. State-of-the-art running issue concept gives authors the benefit of ‘Zero Waiting Time’ for the officially accepted manuscripts to be published. This journal is an international journal and scope is not confined by boundary of any country or region.

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Microbiology Research Journal International

Microbiology Research Journal International is dedicated to publish research papers, reviews, and short communications in all areas of Microbiology such as virology, mycology, parasitology, bacteriology, clinical microbiology, phycology, parasitology, protozoology, microbial physiology, immunology, microbial genetics, medical microbiology, microbial pathogenesis and epidemiology disease pathology and immunology, probiotics and prebiotics, veterinary microbiology, environmental microbiology, microbial ecology, microbially-mediated nutrient cycling, geomicrobiology, microbial diversity and bioremediation, evolutionary microbiology, enzymology, industrial microbiology, aeromicrobiology, food microbiology, molecular and cellular microbiology, entomology, biomedical sciences, pharmaceutical microbiology, agricultural microbiology, soil microbiology, zoology, endocrinology, toxicology, water microbiology, generation microbiology and nano microbiology. This is a quality controlled, peer-reviewed, open access INTERNATIONAL journal.

Every volume of this journal will consist of 6 issues. Every issue will consist of minimum 5 papers. Each issue will be running issue and all officially accepted manuscripts will be immediately published online. State-of-the-art running issue concept gives authors the benefit of ‘Zero Waiting Time’ for the officially accepted manuscripts to be published. This journal is an international journal and scope is not confined by boundary of any country or region.

Disclaimer: As per the recommendation of different reputed indexing organizations and following the requests of researchers and editors, title of this journal has been changed.  British Microbiology Research Journal’ continued as ‘Microbiology Research Journal International’. This international journal has no connection with any scholarly society or association or any specific geographic location or any country (like USA, UK, Germany, etc). This is an independent journal run by SCIENCEDOMAIN international. Legal contact address of editorial office and other offices are available in this link.

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Journal of Pharmaceutical Research International

Journal of Pharmaceutical Research International is dedicated to publish high quality papers (Click here for Types of paper) in all areas of pharmaceutical Science including pharmaceutical drugs, community pharmacy, hospital pharmacy, clinical pharmacy, compounding pharmacy, consultant pharmacy, internet pharmacy, veterinary pharmacy, nuclear pharmacy, military pharmacy, pharmacy informatics, pharmaceutics, medicinal chemistry, pharmacognosy, pharmacotherapy, pharmacodynamics, pharmacokinetics, clinical pharmacology, neuropharmacology, psychopharmacology, pharmacogenetics, pharmacogenomics, pharmacoepidemiology, toxicology, theoretical pharmacology, posology, pharmacognosy, behavioral pharmacology, environmental pharmacology, medicine development and safety testing, drug legislation and safety. The journal also encourages the submission of useful reports of negative results. This is a quality controlled, OPEN peer reviewed, open access INTERNATIONAL journal.

Each issue will be running issue and all officially accepted manuscripts will be immediately published online. Running issue concept gives the authors the benefit of ‘Zero Waiting Time’ for the officially accepted manuscripts to be published.

Disclaimer: As per the recommendation of different reputed indexing organizations and following the requests of researchers and editors, title of this journal has been changed.  British Journal of Pharmaceutical Research’ continued as ‘Journal of Pharmaceutical Research International’. This international journal has no connection with any scholarly society or association or any specific geographic location or any country (like USA, UK, Germany, etc). This is an independent journal run by SCIENCEDOMAIN international. Legal contact address of editorial office and other offices are available in this link.

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