Quaternary Ammonium Compounds
"Quaternary Ammonium Compounds" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
Derivatives of ammonium compounds, NH4+ Y-, in which all four of the hydrogens bonded to nitrogen have been replaced with hydrocarbyl groups. These are distinguished from IMINES which are RN=CR2.
| Descriptor ID |
D000644
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| MeSH Number(s) |
D01.625.062.500 D02.092.877 D02.675.276
|
| Concept/Terms |
|
Below are MeSH descriptors whose meaning is more general than "Quaternary Ammonium Compounds".
Below are MeSH descriptors whose meaning is more specific than "Quaternary Ammonium Compounds".
This graph shows the total number of publications written about "Quaternary Ammonium Compounds" by people in this website by year, and whether "Quaternary Ammonium Compounds" was a major or minor topic of these publications.
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| Year | Major Topic | Minor Topic | Total |
|---|
| 1994 | 0 | 1 | 1 |
| 1995 | 1 | 1 | 2 |
| 1996 | 1 | 1 | 2 |
| 1997 | 0 | 2 | 2 |
| 1998 | 0 | 3 | 3 |
| 1999 | 1 | 4 | 5 |
| 2000 | 0 | 4 | 4 |
| 2002 | 0 | 3 | 3 |
| 2003 | 1 | 1 | 2 |
| 2004 | 1 | 3 | 4 |
| 2005 | 1 | 2 | 3 |
| 2006 | 0 | 3 | 3 |
| 2007 | 1 | 3 | 4 |
| 2008 | 0 | 2 | 2 |
| 2009 | 0 | 3 | 3 |
| 2010 | 0 | 1 | 1 |
| 2011 | 0 | 1 | 1 |
| 2012 | 0 | 1 | 1 |
| 2013 | 0 | 1 | 1 |
| 2014 | 0 | 1 | 1 |
| 2015 | 0 | 1 | 1 |
| 2016 | 0 | 1 | 1 |
| 2018 | 0 | 1 | 1 |
| 2019 | 0 | 1 | 1 |
| 2020 | 0 | 1 | 1 |
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Below are the most recent publications written about "Quaternary Ammonium Compounds" by people in Profiles.
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Optical control of muscular nicotinic channels with azocuroniums, photoswitchable azobenzenes bearing two N-methyl-N-carbocyclic quaternary ammonium groups. Eur J Med Chem. 2020 Aug 15; 200:112403.
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Identifying and Treating Opioid Side Effects: The Development of Methylnaltrexone. Anesthesiology. 2019 01; 130(1):142-148.
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Comparison of Oral Collection Methods for Studies of Microbiota. Cancer Epidemiol Biomarkers Prev. 2019 01; 28(1):137-143.
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Treatment with methylnaltrexone is associated with increased survival in patients with advanced cancer. Ann Oncol. 2016 11; 27(11):2032-2038.
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The mu opioid receptor: A new target for cancer therapy? Cancer. 2015 Aug 15; 121(16):2681-8.
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B cells expressing IFN-? suppress Treg-cell differentiation and promote autoimmune experimental arthritis. Eur J Immunol. 2015 Apr; 45(4):988-98.
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Methylnaltrexone: its pharmacological effects alone and effects on morphine in healthy volunteers. Psychopharmacology (Berl). 2015 Jan; 232(1):63-73.
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Pharmacologic treatment of opioid-induced constipation. Expert Opin Investig Drugs. 2013 Oct; 22(10):1225-7.
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Weight, age and coefficients of variation in renal solute excretion. Nephron Physiol. 2012; 122(1-2):13-8.
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Inducible coexpression of connexin37 or connexin40 with connexin43 selectively affects intercellular molecular transfer. J Membr Biol. 2012 Jun; 245(5-6):231-41.