Biodegradation of Atrazine and Alachlor in Subsurface Sediments

2015 ◽  
pp. 33-41 ◽  
Author(s):  
Mark Radosevich ◽  
Jennifer J. Crawford ◽  
Samuel J. Traina ◽  
Kye-Heon Oh ◽  
Olli H. Tuovinen
Keyword(s):  
Subsurface Sediments

MOBILIZATION OF NATURALLY OCCURRING URANIUM IN RESPONSE TO THE INFLUX OF NITRATE INPUTS INTO SUBSURFACE SEDIMENTS

2017 ◽  
Author(s):  
Jeffrey P. Westrop ◽  
◽  
Jason P. Nolan ◽  
Olivia M. Healy ◽  
Sharon Bone ◽  
...  
Keyword(s):  
Naturally Occurring ◽  
Subsurface Sediments

Feed forward neural network and interpolation function models to predict the soil and subsurface sediments distribution in Bam, Iran

2009 ◽  
Vol 57 (2) ◽  
pp. 271-293 ◽  
Author(s):  
Khalil Rezaei ◽  
Bernard Guest ◽  
Anke Friedrich ◽  
Farajollah Fayazi ◽  
Muhammad Nakhaei ◽  
...  
Keyword(s):  
Neural Network ◽  
Interpolation Function ◽  
Feed Forward Neural Network ◽  
Feed Forward ◽  
Subsurface Sediments ◽  
Function Models

scholarly journals Response to Comment on “Production of Abundant Hydroxyl Radicals from Oxygenation of Subsurface Sediments”

2016 ◽  
Vol 50 (9) ◽  
pp. 4890-4891 ◽  
Author(s):  
Ruirui Zhao ◽  
Man Tong ◽  
Menggui Jin ◽  
Songhu Yuan
Keyword(s):  
Hydroxyl Radicals ◽  
Subsurface Sediments

scholarly journals Geobacter bemidjiensis sp. nov. and Geobacter psychrophilus sp. nov., two novel Fe(III)-reducing subsurface isolates

2005 ◽  
Vol 55 (4) ◽  
pp. 1667-1674 ◽  
Author(s):  
Kelly P. Nevin ◽  
Dawn E. Holmes ◽  
Trevor L. Woodard ◽  
Erich S. Hinlein ◽  
David W. Ostendorf ◽  
...  
Keyword(s):  
Type Strain ◽  
Novel Species ◽  
Electron Acceptors ◽  
Electron Donors ◽  
Amorphous Iron ◽  
Gram Negative ◽  
Subsurface Sediments ◽  
Curved Rods ◽  
A Site

Fe(III)-reducing isolates were recovered from two aquifers in which Fe(III) reduction is known to be important. Strain BemT was enriched from subsurface sediments collected in Bemidji, MN, USA, near a site where Fe(III) reduction is important in aromatic hydrocarbon degradation. Strains P11, P35T and P39 were isolated from the groundwater of an aquifer in Plymouth, MA, USA, in which Fe(III) reduction is important because of long-term inputs of acetate as a highway de-icing agent to the subsurface. All four isolates were Gram-negative, slightly curved rods that grew best in freshwater media. Strains P11, P35T and P39 exhibited motility via means of monotrichous flagella. Analysis of the 16S rRNA and nifD genes indicated that all four strains are δ-proteobacteria and members of the Geobacter cluster of the Geobacteraceae. Differences in phenotypic and phylogenetic characteristics indicated that the four isolates represent two novel species within the genus Geobacter. All of the isolates coupled the oxidation of acetate to the reduction of Fe(III) [iron(III) citrate, amorphous iron(III) oxide, iron(III) pyrophosphate and iron(III) nitrilotriacetate]. All four strains utilized ethanol, lactate, malate, pyruvate and succinate as electron donors and malate and fumarate as electron acceptors. Strain BemT grew fastest at 30 °C, whereas strains P11, P35T and P39 grew equally well at 17, 22 and 30 °C. In addition, strains P11, P35T and P39 were capable of growth at 4 °C. The names Geobacter bemidjiensis sp. nov. (type strain BemT=ATCC BAA-1014T=DSM 16622T=JCM 12645T) and Geobacter psychrophilus sp. nov. (strains P11, P35T and P39; type strain P35T=ATCC BAA-1013T=DSM 16674T=JCM 12644T) are proposed.

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