Results 41 to 50 of about 7,232 (217)

The Pilot Study of the Influence of Free Ammonia on Membrane Fouling during the Partial Nitrosation of Pig Farm Anaerobic Digestion Liquid

open access: yesMembranes, 2021
The problem of membrane fouling is a key factor restricting the application of the membrane bioreactor (MBR) in the partial nitrosation (PN) and anaerobic ammonia oxidation (anammox) processes.
Hanxiao Bian   +3 more
doaj   +1 more source

Role of Carbonyl Compounds for N-Nitrosamine Formation during Nitrosation: Kinetics and Mechanisms [PDF]

open access: yes
N-Nitrosamines are potential human carcinogens frequently detected in natural and engineered aquatic systems. This study sheds light on the role of carbonyl compounds in the formation of N-nitrosamines by nitrosation of five secondary amines via ...
Breider, Florian   +5 more
core   +2 more sources

The Synthesis Use of a Difluorinated Amino‐Benzo‐Cinnoline Dyes (ABCDyes) Enables Fine Tuning of Emission Through Double SNAr Late‐Stage Functionalization

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
An efficient synthesis of difluorinated amino‐benzo‐cinnoline dyes (ABCDyes) is reported. Their use for the late‐stage introduction of internal dinucleophilic species through a double SNAr reaction enables straightforward access to previously unexplored ABCDye analogs displaying tunable emission ranging from green to red.
Mélina Fabe   +3 more
wiley   +1 more source

Site-specific and redox-controlled S-nitrosation of thioredoxin [PDF]

open access: yes, 2011
Protein S-nitrosation on cysteine residues has emerged as an important posttranslational modification in mammalian cells. Previous studies have suggested a primary role for thioredoxin (Trx) in controlling protein S-nitrosation reactions.
Wishnok, John S.   +9 more
core   +1 more source

Navigating Nitration Chemistry: A Practical Guide to Reagents, Mechanisms, and Selectivity

open access: yesAngewandte Chemie, Volume 138, Issue 20, 11 May 2026.
This review highlights key contributions of modern nitration chemistry, emphasizing sustainable mechanistic platforms and comparing the performance of both organic and inorganic reagents across aromatic, ipso‐, olefin, alkyne, and heteroatom nitration. It provides the community with a clearer, unified perspective on current advances and facilitates the
Harry Lecomte   +2 more
wiley   +2 more sources

Ion Activation Methods for Top‐Down Proteomics

open access: yesMass Spectrometry Reviews, EarlyView.
ABSTRACT Mass spectrometry (MS) has emerged as a premier method used to characterize the sequences of proteins. Top‐down proteomics aims to capture the multiple sources of structural diversity reflected in proteins, such as those that arise from alternative RNA splicing events or the addition of post‐translational modifications. Tandem MS (i.e., MS/MS)
Jada N. Walker, Jennifer S. Brodbelt
wiley   +1 more source

HIF-1 alpha protein as a target for S-nitrosation. [PDF]

open access: yes, 2003
Hypoxia-inducible factor-1 alpha (HIF-1 alpha) is a master regulator to sense decreased oxygen partial pressure. HIF-1 alpha stability regulation initiates a complex biological response that allows cells to act appropriately to meet patho-physiological ...
Bernhard Brüne   +8 more
core   +1 more source

An update on the current status and prospects of nitrosation pathways and possible root causes of nitrosamine formation in various pharmaceuticals

open access: yesSaudi Pharmaceutical Journal, 2023
Over the last two years, global regulatory authorities have raised safety concerns on nitrosamine contamination in several drug classes, including angiotensin II receptor antagonists, histamine-2 receptor antagonists, antimicrobial agents, and ...
Wisut Wichitnithad   +3 more
doaj   +1 more source

Responsive nitric oxide‐releasing antibacterial materials for biofilm‐associated infections: Mechanisms, design strategies, and applications

open access: yesResponsive Materials, EarlyView.
This review summarizes the recent progress in responsive NO‐releasing materials and their applications in biofilm‐associated infectious diseases. The design principles and response mechanisms are given to provide inspiration toward the future development of multi‐responsive NO‐releasing materials.
Wenyue Sun   +8 more
wiley   +1 more source

Carbanion and enol intermediates in c-nitrosation and halogenation [PDF]

open access: yes, 1991
A kinetic study of the mtrosation of ethyl cyanoacetate, diethyl malonate and malononitrile, in acidic water/dioxan solution, by nitrous acid, at 25ºC, was under taken.
Graham, Alan
core  

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