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Mar 29, 2021Open    AccessArticle

Production of α-Amylase by Bacillus subtilis QM3 and its Enzymatic Properties

Qingping Hu, Jingjing Liu
Alpha-amylase is a starch hydrolyzing enzyme which has many industrial applications. In this study, Bacillus subtilis QM3 has ability to produce α-amylase. Identification was done by iodine test, based on the clear zone around the sample in starch agar plates. Alpha-amylase activity was measured using 3,5-dinitrosalicylic acid (DNS). The result showed B. subtilis QM3 can produce α-amylase and activity of α-amylase was 50.58 IU/mL. The study on enzymatic properties was found: the optimum temperat...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107291


Mar 22, 2021Open    AccessArticle

Study on the Adsorption of Heavy Metal by Extracellular Polymeric Substances Extracted from Proteiniphilum acetatigenes PSB-W

Qingping Hu, Xiaoqi Liu
The negatively charged coordination groups on the structure of these biomolecules, which is the main components of extracellular polymeric substances (EPS), have good adsorption efficiency for heavy metals. In this paper, EPS form Proteiniphilum acetatigenes PSB-W which was extracted by EDTA method, and the effects of pH, EPS dosage, adsorption time and initial metal concentration on the adsorption regularity of Cu2 and Pb2 ions on EPS structure were studied respectively, as well as the adsorp...
Open Access Library J. Vol.8, 2021
Doi:10.4236/oalib.1107228


May 22, 2020Open    AccessArticle

Antibiotic Resistance: An Investigation on Effectiveness of Antibiotics Treatment on Bacterial Growth

Okoro Monday Akinyemi
Background: The proclivity of bacteria resistance to antibiotics has led researchers to develop more interest in antibiotics efficiency in tackling bacterial infections. As part of the effort to finding final resolutions to antibiotics effectiveness, this study was conducted to ascertain the antibiotic sensitivity pattern of three bacterial strains, this study was carried out from March 2019 to June 2019, using different antibiotics such as Ampicillin (AMP), Tetracycline (TET), Erythromycin (ERY...
Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106347


Jan 16, 2020Open    AccessArticle

Fish Pond Effluent Effect on Physicochemical Properties of Soils in Southern Guinea Savanna, Nigeria

John Jiya Musa, Pius Olusegun Olufemi Dada, Johnson Kayode Adewumi, Otuaro Ebierni Akpoebidimiyen, Elijah Tsado Musa, Martins Yusuf Otache, Seun Yusuf
This work studied the effect of fish pond wastewater, proximate and mineral analyses of the fish feeds from commercial fish ponds on receiving soils in the southern Guinea Savanna ecological zone of Minna, Nigeria. The study con-ducted during the dry seasons of the years 2015 and 2016 between January and May. Four sets of soil samples were collected at varying distances from the various fish ponds an
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Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1105990


Jan 09, 2020Open    AccessArticle

Removing Antibiotic-Resistant Bacteria (ARB) Carrying Genes (ARGs): Challenges and Future Trends

Djamel Ghernaout, Noureddine Elboughdiri
Developed control of chemical disinfection techniques is beginning to be pro-gressively significant in order to equilibrate under-treatment (minimal pathogen demobilization) and over-treatment (immoderate consumption of disinfectant and disinfection by-products generation) that way giving great ecological and economic advantages. This work reviews the most recent and pertinent re-searches in this field of eliminating Antibiotic-re
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Open Access Library J. Vol.7, 2020
Doi:10.4236/oalib.1106003


Nov 07, 2019Open    AccessArticle

Effects of Mango Wastes-Based Diets on the Growing Parameters of Laying Hens and Biometric Parameters of the Eggs

Drissa Barry, Timbilfou Kiendrebeogo, Modou Sere, Alima Combari, Youssouf Mopaté Logténé, Chantal Yvette Kaboré-Zoungrana
Introduction: Poultry production has increased during the past half century throughout the world. In Burkina Faso modern poultry farming is becoming a necessity in view of the growing demand for eggs. Intensive poultry farming is developing rapidly, given that the productivity of local poultry remains very low Because of the low availability and high cost of food. Therefore, it becomes imperative to develop strategies to make mode
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Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105868


Jul 05, 2019Open    AccessArticle

Infection of Wounds by Potential Bacterial Pathogens and Their Resistogram

Isyaka M. Tom, Muhammad M. Ibrahim, Askira M. Umoru, Jidda B. Umar, Musa A. Bukar, Ali B. Haruna, Abdullahi Aliyu
The major innate barrier to the establishment of infections in internal tissues is the skin, the disruption of which leads to wound formation. Such wounds can be contaminated by bacterial pathogens thereby hampering the healing process and its management becomes resource demanding. Here, we assess the diversity of potential bacterial pathogens in the infection of different types of wounds among hospitalized patients. Three hundred
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Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105528


May 31, 2019Open    AccessArticle

Antimicrobial Potentials of Vernonia amygdalina and Honey on Vancomycin-Resistant Staphylococcus aureus from Clinical and Environmental Sources

Jacob Olaoluwa Oluyege, Paul Ikechukwu Orjiakor, Busayo Mutiat Olowe, Ukhureigbe Oluchi Miriam, Oguntoye David Oluwasegun
Background and Objective: Vancomycin has been a cost effective and frontline antibiotic in the treatment of methicillin resistant Staphylococcus aureus for many years. However, some vancomycin-resistant Staphylococcus aureus (VRSA) have been recently reported. This study therefore aimed to determine the antimicrobial effects of Vernonia amygdalina and honey on VRSA from environmental and clinical sources
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Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105437


Apr 11, 2019Open    AccessArticle

Identification of Petroleum Degrading Bacteria and Construction of Petroleum Degrading Agent

Xingling Tao, Yabin Zhan, Tao Jiang, Chuanjiong Hu
The aim of this study is to construct petroleum degrading agent (PDA) which can effectively degrade oil. By enrichment, domestication, and separation of culture from the soil sample of Qianjiang Guanghua Oilfield, the pure culture of three petroleum degrading bacteria G-40, G-53, and G-94 was identified from the medium supplemented with oil, which served as the sole source of carbon. The species of G-40 and G-53 were preliminarily
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Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105335


Feb 18, 2019Open    AccessArticle

Cefuroxime-Induced Hepatocellular-Cholestatic Hepatitis with Pancytopenia

Wolfgang Kunze, Jan-Peter Streidl, Thorsten Klemm, Juliane Lutze
Drug-induced liver injury is a rare event. We report on a 15-year old girl de-veloping jaundice and a maculopapular rash with pruritus after oral cefuroxime therapy. Liver enzymes as well as total bilirubin and direct bilirubin were elevated. After eliminating other causes of hepatitis, cefuroxime-induced hepatocellular-cholestatic hepatitis with pancytopenia was diagnosed and cefuroxime therapy was stopped. The patient recovered
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Open Access Library J. Vol.6, 2019
Doi:10.4236/oalib.1105036


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