Results 71 to 80 of about 1,702 (165)

Enrichment of Electricigenic Biofilm for Synchronized Generation of Electric Current and Waste Water Treatment in Microbial Fuel Cells

International Journal of Electrochemical Science, 2018
Enrichment of electricigens was carried out in double chamber Microbial fuel cells (MFCs) for synchronized organic waste treatment and bioenergy recovery.
Zargona Zafar, Kamran Ayaz, Iqra Sharafat, Shabeena Shah, Sarwat naz zafar, Naeem Ali   +5 more
doaj   +1 more source

Nitrite production by ammonia‐oxidizing bacteria mediates chloramine decay and resistance in a mixed‐species community

Microbial Biotechnology, 2020
Summary As water distribution centres increasingly switch to using chloramine to disinfect drinking water, it is of paramount importance to determine the interactions of chloramine with potential biological contaminants, such as bacterial biofilms, that ...
Pejhman Keshvardoust, Vanessa A. A. Huron, Matthew Clemson, Nicolas Barraud, Scott A. Rice   +4 more
doaj   +1 more source

Comparison of Novel and Established Nitrification Inhibitors Relevant to Agriculture on Soil Ammonia- and Nitrite-Oxidizing Isolates

Frontiers in Microbiology, 2020
Nitrification inhibitors (NIs) applied to soil reduce nitrogen fertilizer losses from agro-ecosystems. NIs that are currently registered for use in agriculture appear to selectively inhibit ammonia-oxidizing bacteria (AOB), while their impact on other ...
Evangelia S. Papadopoulou, Eleftheria Bachtsevani, Eleni Lampronikou, Eleni Adamou, Afroditi Katsaouni, Sotirios Vasileiadis, Cécile Thion, Urania Menkissoglu-Spiroudi, Graeme W. Nicol, Dimitrios G. Karpouzas   +9 more
doaj   +1 more source

Microbiological Extraction of Copper and Zinc from Metallurgical Waste

Engineered Science
The accumulation of metal-containing waste, particularly lead and copper slags, presents a pressing environmental and economic issue in Kazakhstan. This study investigates bioleaching as a sustainable alternative to conventional extraction methods for ...
Alfira Sabitova, Asylan Ualikhanov, Alexey Klivenko, Kabysheva Zhanar, Aitkaliyeva Gulzat, Kassymova Zhanar   +5 more
doaj   +1 more source

Commentary on ‘Inhibition by acetylene of ammonia oxidation in Nitrosomonas europaea’ [PDF]

FEMS Microbiology Letters, 2017
The discovery that acetylene inhibited ammonia oxidation by Nitrosomonas europeae came about by studying linkages of microbial Nitrogen cycling processes in laboratory soil columns. Continuous addition of ammonium chloride (25 μg N/ml) to the soil columns resulted in steady state nitrification of all of the ammonia to nitrate.
openaire   +2 more sources

The redox potential of a heme cofactor in Nitrosomonas europaea cytochrome c peroxidase: a polarizable QM/MM study. [PDF]

Phys Chem Chem Phys, 2021
Karnaukh EA, Bravaya KB.
europepmc   +1 more source

Characterization of the gene encoding hydroxylamine oxidoreductase in Nitrosomonas europaea

Journal of Bacteriology, 1994
Hydroxylamine oxidoreductase (HAO) catalyzes the oxidation of hydroxylamine to nitrite in Nitrosomonas europaea. The electrons released in the reaction are partitioned to ammonium monooxygenase and to the respiratory chain. The immediate acceptor of electrons from HAO is believed to be cytochrome c-554 (Cyt c-554).
L A, Sayavedra-Soto, N G, Hommes, D J, Arp   +2 more
openaire   +3 more sources

Abundance and diversity of bacterial nitrifiers and denitrifiers and their functional genes in tannery wastewater treatment plants revealed by high-throughput sequencing.

PLoS ONE, 2014
Biological nitrification/denitrification is frequently used to remove nitrogen from tannery wastewater containing high concentrations of ammonia. However, information is limited about the bacterial nitrifiers and denitrifiers and their functional genes ...
Zhu Wang, Xu-Xiang Zhang, Xin Lu, Bo Liu, Yan Li, Chao Long, Aimin Li   +6 more
doaj   +1 more source

KHẢO SÁT MẬT ĐỘ VÀ SỰ ĐA DẠNG CỦA VI KHUẨN NITRATE HÓA TRONG AO NUÔI TÔM

Tạp chí Khoa học Đại học Cần Thơ, 2011
Kết quả nghiên cứu và thông tin về vi khuẩn chuyển hóa đạm trong ao nuôi tôm sú thâm canh hiện nay chưa nhiều. Việc nghiên cứu động thái của nhóm vi khuẩn này trong ao nuôi tôm sú thâm canh có thể giúp cho quá trình quản lý ao nuôi hiệu quả hơn. Chính vì
Phạm Thị Tuyết Ngân, Dương Minh Viễn, Trần Nhân Dũng   +2 more
doaj  

Whole transcriptome analysis highlights nutrient limitation of nitrogen cycle bacteria in simulated microgravity

npj Microgravity
Regenerative life support systems (RLSS) will play a vital role in achieving self-sufficiency during long-distance space travel. Urine conversion into a liquid nitrate-based fertilizer is a key process in most RLSS.
Tom Verbeelen, Celia Alvarez Fernandez, Thanh Huy Nguyen, Surya Gupta, Raf Aarts, Kevin Tabury, Baptiste Leroy, Ruddy Wattiez, Siegfried E. Vlaeminck, Natalie Leys, Ramon Ganigué, Felice Mastroleo   +11 more
doaj   +1 more source