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Related to guanidine: guanidinium


A strongly alkaline crystalline compound, NHC(NH2)2, formed by the oxidation of guanine and found in the urine as a normal product of protein metabolism. It is commonly used in the organic synthesis of plastics, resins, and explosives.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈɡwɑːnɪˌdiːn; -dɪn; ˈɡwænɪ-) or


(Biochemistry) a strongly alkaline crystalline substance, soluble in water and found in plant and animal tissues. It is used in organic synthesis. Formula: HNC(NH2)2. Also called: carbamidine or iminourea
[C19: from guano + -id3 + -ine2]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈgwæn ɪˌdin, -dɪn, ˈgwɑ nɪ-)

a crystalline, alkaline, water-soluble solid, CH5N3, used in making plastics, resins, and explosives.
[1860–65; guan (o) + -idine]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
M2 PRESSWIRE-August 9, 2019-: Global Guanidine Industry Analysis 2019, Market Growth, Trends, Opportunities Forecast To 2024
Summary: Dicyandiamide is extremely reactive, odorless, white powder that is used as an intermediate for production of active pharmaceutical ingredients and a diverse range of guanidine salts.
Polyhexamethylene guanidine hydrochloride (PHMGH) is an organic compound from guanidine family with cationic charge (19) and broad-spectrum antimicrobial activity against Gram-positive and Gram-negative bacteria (19,20,21) and fungi.
Tris(2carboxyethyl)phosphine hydrochloride (TCEP) and 98 % guanidine hydrochloride (GdmCl) were acquired from Thermo Scientific (Thermo Fisher Scientific, Pittsburgh, PA).
(23) Based on our data, refolding by dialysis in the presence of refolding buffer containing 0.5 M guanidine as additive is an acceptable method in high-throughput protein refolding process.
Key statement: The invention provides a rubber composition prepared by mixing, per 100 parts by mass of a rubber component comprising at least 50% by mass of a diene-based rubber, from 20 to 150 parts by mass of a filler, and from 0.05 to 30 parts by mass of a compound A which has a specific guanidine structure and has a functional group reactive with the diene-based rubber.
These conditions included guanidine hydrochloride from 0 to 4.3 M, DMSO from 0 to 20 percent by volume, and MeCN from 25 to 75 percent by volume.
Cruz-Hofling & Rodrigues-Simioni (1998) observed a reduction in the number of synaptic vesicles following the morphological alterations in the myofibrils and mitochondria using guanidine. Rocha et al.
* Low-molecular-weight, water-soluble uremic toxins (< 500 Da): EUTox found 68 in this group, many familiar: ADMA, SDMA, creatine, creatinine, hyaluronic acid, guanidine, urea, uric acid, oxalates.
For example, proteins/peptides [3], glutamate [9], creatine [10], and glucose [11] contain exchanging amide (-NH), amine (-N[H.sub.2]), guanidine [HN=C[(N[H.sub.2]).sub.2]], and hydroxyl (-OH) protons, respectively.
In most cases this will mean dilution of sample into specific RNase-inactivating lysis solutions based on chaotropes such as guanidine or strong protein denaturants such as phenols.

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