Results 41 to 50 of about 19,357 (255)

Simultaneous effect of temperature, cyanide and ammonia-oxidizing bacteria concentrations on ammonia oxidation

Journal of Industrial Microbiology & Biotechnology, 2008
For biological nitrification, a set of experiments were carried out to approximate the response of lag period along with ammonia oxidation rate with respect to different concentrations of cyanide (CN-) and ammonia-oxidizing bacteria (AOB), and temperature variation in laboratory-scale batch reactors.
Do, H, Lim, J, Shin, SG, Wu, YJ, Ahn, JH, Hwang, S   +5 more
openaire   +3 more sources

ZDHHC9‐Mediated Palmitoylation of ACSL4 Drives Ferroptosis in Diabetes Mellitus–Induced Erectile Dysfunction

Advanced Science, EarlyView.
ABSTRACT Diabetes mellitus‐induced erectile dysfunction (DMED) is a highly prevalent complication among diabetic patients; however, its underlying pathogenic mechanisms remain incompletely understood. Metabolic disorder is a hallmark of diabetes, yet its precise contribution to DMED progression is not well defined.
Wanyang Guo, Ming Xiao, Mengjun Huang, Dongzi Peng, Ruijiang Zeng, Ruilin Liu, Yuanqiao Zhao, Zhihan Ouyang, Yulong Hong, Zexian Ding, Zhuo Xing, Hao Su, Jinxiang Wang, Wenjun Mao, Xin Jin   +14 more
wiley   +1 more source

Ultrasound‐Activated Bifunctional Piezoelectric Hydrogel Dressings Promote Infected Wound Healing via Regulating Angiogenesis and Lymphangiogenesis

Advanced Science, EarlyView.
This study developed a double‐network hydrogel with piezoelectric properties, exhibiting excellent antibacterial activity and promoting fibroblast migration, angiogenesis, and lymphangiogenesis through piezoelectric stimulation, thereby accelerating the healing of infected chronic wounds.
Xiang Li, Zhen Ding, Zhihua Liu, Hao Chen, Jianyang Shan, Yanxuan Shao, Yaling Yu, Gen Wen   +7 more
wiley   +1 more source

Serological studies on lithotrophic, ammonia oxidizing bacteria

Archives of Microbiology, 1980
Rabbit antisera were prepared against living cells of six different ammonia oxidizing nitrifying bacteria. They were examined as to cross-reactivity in the agglutination test (Microtiter-system) with 24 nitrifier strains, including members of all known genera.
M, Wullenweber, H P, Koops
openaire   +4 more sources

Metagenomic Evidence for the Presence of Comammox Nitrospira-Like Bacteria in a Drinking Water System

mSphere, 2016
We report metagenomic evidence for the presence of a Nitrospira-like organism with the metabolic potential to perform the complete oxidation of ammonia to nitrate (i.e., it is a complete ammonia oxidizer [comammox]) in a drinking water system.
Ameet J. Pinto, Daniel N. Marcus, Umer Zeeshan Ijaz, Quyen Melina Bautista-de lose Santos, Gregory J. Dick, Lutgarde Raskin   +5 more
doaj   +1 more source

Ammonia oxidation and ammonia-oxidizing bacteria and archaea from estuaries with differing histories of hypoxia [PDF]

The ISME Journal, 2007
Abstract Nitrification, the oxidation of NH4  + to NO2  − and subsequently to NO3  −, plays a central role in the nitrogen cycle and is often a critical first step in nitrogen removal from estuarine and coastal environments. The first and rate-limiting step in nitrification is catalyzed by the enzyme ammonia monooxygenase (AmoA).
Jane M, Caffrey, Nasreen, Bano, Karen, Kalanetra, James T, Hollibaugh   +3 more
openaire   +2 more sources

Chitosan‐Carbon Dot Composite Materials Form a Leaf Surface Barrier to Mitigate the Enrichment and Invasion of Nanoplastics: From Leaf Interface to Systemic Response

Advanced Science, EarlyView.
Foliar spraying of CS‐CDs can form a film on the leaves of Brassica rapa, effectively reducing the enrichment and absorption of PS in the leaves, while increasing the biomass and nutrient content of the plants. In addition, CS‐CDs can also enrich the interfoliar microbial community and activate the plant's own defense metabolic pathways.
Beibei Zhao, Mei Li, Mengjiao Fan, Chuanhuan Liu, Jie Jiang, Jia Song, Yingzhu Liu   +6 more
wiley   +1 more source

Bioaugmentation of nitrifying bacteria in up-flow biological aerated filter's microbial community for wastewater treatment and analysis of its microbial community

Scientific African, 2021
Bioaugmentation is a bioremediation approach involving the seeding of the competent microbial consortia to improve nitrogen removal from wastewater. The discharge of nitrogen-saturated wastewater into freshwater results in cultural eutrophication and ...
Benjamin Manirakiza, Alexander Cemenovich Sirotkin   +1 more
doaj   +1 more source

SuFEx‐Enabled Reprogramming of Flavonoids for Selective α‐Glucosidase Covalent Inhibition

Advanced Science, EarlyView.
Selective inhibition of intestinal α‐glucosidase remains limited by poor enzyme specificity and off‐target metabolic effects. Here, SuFEx click chemistry is used to reprogram natural flavonoids into covalent inhibitors with enhanced α‐glucosidase selectivity and controlled reactivity. This strategy enables effective regulation of carbohydrate digestion
Fengyu Guo, Liwei Zhang, Minlong Wang, Yanjin Du, Tianyu Zhang, Hao Chen, Jiazeng Sun, Yang Yu, Zude He, Jie An, Xiaoxu Zhang, Weilin Lin, Fazheng Ren, Pengjie Wang, Ping Liu   +14 more
wiley   +1 more source

Research progress on the physiological metabolic mechanisms and distribution in water treatment systems of ammonia-oxidizing microorganisms

Gongye shui chuli
Nitrification and denitrification processes play crucial roles in biological nitrogen removal in water treatment systems. The ammonia oxidation in nitrification is the rate-limiting process, which converts low-valent ammonia-nitrogen into high-valent ...
GENG Hong, REN Junming, ZHOU Wenming, MENG Han   +3 more
doaj   +1 more source