نتایج جستجو برای: biodegradation optimization

تعداد نتایج: 325960  

Journal: :Environmental monitoring and assessment 2012
Shivani S Dhage Amita A Dalvi Damodar V Prabhu

With urbanization of coastal cities, marine pollution is becoming a severe problem. The rates of biodegradation, decomposition, and ratification of pollutants get slowed down due to salinity. The higher temperatures prevalent in tropical regions significantly affect reaction rates. Multiple factors influence the rate of biodegradation, making the process complex. Hence, prediction and evaluatio...

2017
Yu Liu Aijun Gong Lina Qiu Jingrui Li Fukai Li

Pseudomonas aeruginosa is a good environmental microorganism capable of degrading decabromodiphenyl ether (BDE-209). This paper studied the effect of Cu2+ and humic acid (HA) extracted from e-waste contaminated soils on biodegradation of BDE-209 by P. aeruginosa. The adsorption isotherms of Cu2+ on HA, the crude enzyme activity, cell surface morphology, and biodegradation pathway were also inve...

2015
Wojciech Smułek Ewa Kaczorek Agnieszka Zgoła-Grzeskowiak Zefiryn Cybulski

Alkyl polyglucosides, due to their low toxicity and environmental compatibility, could be used in biodegradation of hydrophobic compounds. In this study, the influence of Lutensol GD 70 on the cell hydrophobicity and zeta potential was measured. The particle size distribution and surfactant biodegradation were also investigated. Microbacterium sp. strain E19, Pseudomonas stutzeri strain 9, and ...

Journal: :Microbiological reviews 1990
J G Leahy R R Colwell

The ecology of hydrocarbon degradation by microbial populations in the natural environment is reviewed, emphasizing the physical, chemical, and biological factors that contribute to the biodegradation of petroleum and individual hydrocarbons. Rates of biodegradation depend greatly on the composition, state, and concentration of the oil or hydrocarbons, with dispersion and emulsification enhanci...

Journal: :Journal of Applied and Natural Science 2021

Accumulation of low-density polyethylene (LDPE) has caused a threat to the environment because its stable and inert nature as it cannot be degraded easily by microorganisms. Its lightweight, low cost, strength, durability, various other applications, have led wide usage polymer, which is exerting negative effect on both marine land biota. The development an eco-friendly or promising strategy ne...

2014
Francesco Degli-Innocenti

Most biodegradable plastics are waterinsoluble solid materials under normal environmental conditions (Bohlmann, 2005). The biodegradation of plastics is a surface erosion process which happens at the solid/liquid interface, where extracellular enzymes, in the liquid phase, start depolymerisation of the solid phase (Tosin et al., 1996). The depolymerisation releases monomers that are assimilated...

Background: This study focused on isolation and identification of a Phenanthrene (Phe) degrader bacterium and optimization of environmental conditions for Phe degradation. Materials and Methods: Enrichment technique was used for isolation and the most effective isolate; named AP was selected based on its Phe biodegradation abilities. The isolate was identified using morphological and biochem...

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