نتایج جستجو برای: laser biostimulation
تعداد نتایج: 183994 فیلتر نتایج به سال:
There are a great number of mutually contradictory theories attempting to explain the biostimulating effect of laser light; however, none of them provide a scientifically acceptable explanation. This is the main reason why laser light has not come into general use to the extent which its efficiency would seem to deserve. Other reasons might be that a continuously operating laser providing the r...
The co-contamination of soils with heavy metals and organic contaminants is a problem that requires different innovative approach to remediate these kinds sites. nature two contaminant groups makes the complicated. Recently, zero-valent iron nanoparticles (nZVI) application has been integrated bioremediation be used for remediation halogenated organics. However, use this process co-contaminated...
We investigated the possibility of re-using remediated soils for new bioremediation projects by spiking these soils with waste oil sludge in laboratory based microcosms. The level of Total Petroleum Hydrocarbon (TPH) reduction was high (>80%) in naturally attenuated microcosms and was not significantly improved by biostimulation, bioaugmentation and the combined treatment of bioaugmentation and...
Microbial enumeration, 16S rRNA gene clone libraries, and chemical analysis were used to evaluate the in situ biological reduction and immobilization of uranium(VI) in a long-term experiment (more than 2 years) conducted at a highly uranium-contaminated site (up to 60 mg/liter and 800 mg/kg solids) of the U.S. Department of Energy in Oak Ridge, TN. Bioreduction was achieved by conditioning grou...
Understanding the underlying mechanism that drives microbial community mediated by substrates is crucial to enhance biostimulation in trichloroethene (TCE)-contaminated sites. Here, we investigated performance of stable TCE-dechlorinating consortia monitoring variations TCE-related metabolites and explored their assembly mechanisms using 16S rDNA amplicon sequencing bioinformatics analyses. The...
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To visualize simultaneously different populations of pseudomonads in the rhizosphere at the single cell level in a noninvasive way, a set of four rhizosphere-stable plasmids was constructed expressing three different derivatives of the green fluorescent protein (GFP), namely enhanced cyan (ECFP), enhanced green (EGFP), enhanced yellow (EYFP), and the recently published red fluorescent protein (...
The aim of this study was to determine adequate energy doses using specific parameters of LLLT to produce biostimulatory effects on human gingival fibroblast culture. Cells (3 × 10(4) cells/cm(2)) were seeded on 24-well acrylic plates using plain DMEM supplemented with 10% fetal bovine serum. After 48-hour incubation with 5% CO(2) at 37°C, cells were irradiated with a InGaAsP diode laser protot...
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