Environmental Microbiology

Grant, William D.; Long, P. E.

doi:10.1007/978-3-540-39209-5_4

Cited by 3 publications

(2 citation statements)

References 244 publications

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“…carbon, nitrogen, phosphorous and sulphur) [1]. A fully developed soil is an intricate mixture of inorganic and organic components, matter from weathered rock usually accounts for some 50% by volume, and organic matter from plant, animals and microorganisms for 10% -15% [3]. In a balanced soil, plants grow in an active and vibrant environment.…”

Section: Introductionmentioning

confidence: 99%

Polymerase Chain Reaction-Denaturing Gradient Gel Electrophoresis (PCR-DGGE) Profile of Bacterial Community from Agricultural Soils in Bauchi, North-East Nigeria

Umar¹,

Tahir²,

Agbo³

2017

AiM

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The population dynamics of bacterial community was investigated in three Agricultural soils, designated as Loamy sand (A), Peaty coarse (B) and Loamy coarse sand (C) in North-East, Nigeria. The soil chemical properties were characterized to fully understand their nature. Metagenomic approach was used to extract soil DNA using the fast DNA Spin Kit extraction technique. The PCR-electrophoresed DNA bands were excised and subjected to a full scale Denaturing Gradient Gel Electrophoresis (DGGE) analysis. DGGE fingerprinting for the PCR-16S rDNA product revealed a diverse profile of complex population of bacterial community in the study area. The study shows that more bacterial community can be fully investigated using molecular techniques rather than traditional culture method. The implication of the results obtained is discussed.

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Section: Introductionmentioning

confidence: 99%

Polymerase Chain Reaction-Denaturing Gradient Gel Electrophoresis (PCR-DGGE) Profile of Bacterial Community from Agricultural Soils in Bauchi, North-East Nigeria

Umar¹,

Tahir²,

Agbo³

2017

AiM

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“…assimilation, mineralization, and sulfur oxidation (Atlas and Bartha, 1981;Grant and Long, 1981 (Maier et al, 2000). The mechanisms of biological oxidation, with which energy source and terminal electron acceptor are found in two different environments, were shown in Table 2.5.…”

Section: Microorganisms For H 2 S Removalmentioning

confidence: 99%

Development of advanced biofiltration process for hydrogen sulphide control

Duan¹

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I wish to express my sincere gratitude and appreciation to my supervisor, Associate Professor Lawrence C.C. Koe for his invaluable guidance and encouragement throughout the course of the research project. I am indebted to my co-supervisor, Dr. Yan Rong, for her continuous and patient guidance and supervision in the past three years. The author also extend her thanks to all staff, technicians, including Mr. Yong Fook

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Interaction between magnetite and inoculum characteristics in accelerating methane production kinetics

Al‐Essa,

Bello‐Mendoza,

Wareham

2024

GCB Bioenergy

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Magnetite nanoparticles can boost methane production via direct interspecies electron transfer. However, the combined effect of inoculum and particle characteristics on magnetite's methanogenesis stimulation is poorly understood. Here, the influence of inoculum type, particle size, and particle concentration on the ability of magnetite to accelerate methanogenesis was studied in batch anaerobic digestion experiments. Fresh and degassed mesophilic digester sludge was used as inoculum, representing methanogenic communities in the exponential or stationary growth and endogenous decay phases, respectively. Three magnetite particle size ranges, small (50–150 nm), medium (168–490 nm), and large (800 nm–4.5 μm), at two different concentrations (2 and 7 mM) were used. With degassed sludge, the effect of magnetite on the methane production rate was weak and depended on the particle size and concentration. Only magnetite of medium size at both 2 and 7 mM significantly increased the methane production rate by 12% compared to the control with no magnetite. The lag phase was reduced by 17% compared to the control, only with 2 mM of both small and medium size magnetite. Conversely, adding magnetite into fresh sludge significantly increased the methane production rate by an average of 32% while simultaneously decreasing the lag phase by 15%–40%, as compared to the control, independently of the magnetite's size and concentration. The stimulation of methane production depends on magnetite and inoculum characteristics.

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Environmental Microbiology

Cited by 3 publications

References 244 publications

Polymerase Chain Reaction-Denaturing Gradient Gel Electrophoresis (PCR-DGGE) Profile of Bacterial Community from Agricultural Soils in Bauchi, North-East Nigeria

Polymerase Chain Reaction-Denaturing Gradient Gel Electrophoresis (PCR-DGGE) Profile of Bacterial Community from Agricultural Soils in Bauchi, North-East Nigeria

Development of advanced biofiltration process for hydrogen sulphide control

Interaction between magnetite and inoculum characteristics in accelerating methane production kinetics

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