Vicente Rocafuerte
Vicente Rocafuerte , 1783-1847, president of Ecuador (1834-39). Rocafuerte headed (1833) the opposition to Juan José Flores . Leader of a revolt at Guayaquil (1834), he was defeated and imprisoned, but was released after he and Flores settled their differences. As president he promulgated a new constitution and accomplished many reforms, notably protection of the Native Americans and advancement and secularization of education. Protesting against the clerical policy and dictatorial practices of Flores, Rocafuerte went into exile in 1843.
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Electrocatalytic Oxidation of Guanine, Guanosine, and Guanosine Monophosphate
Magazine article from: Biophysical Journal; 4/15/2007; ; 700+ words
; ...ABSTRACT The electrochemical behavior of guanine, guanosine, and guanosine monophosphate...hydrogen electrode were determined for guanine and guanosine/GMP under physiological...The first to oxidize the base of DNA is guanine, oxidized either directly or through...
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RADICALS DERIVED FROM GUANINE: STRUCTURES AND ENERGETICS
Magazine article from: Collection of Czechoslovak Chemical Communications; 6/1/2005; ; 700+ words
; ...affinities (EA) of five radicals derived from guanine by removing a hydrogen atom are predicted...density functional methods. The most stable guanine radical arises from the removal of the...EA^sub ad^) for the five possible guanine radicals are substantial, in the range...
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Formation pathways of a guanine-quadruplex DNA revealed by molecular dynamics and thermodynamic analysis of the substates
Magazine article from: Biophysical Journal; 9/1/2003; ; 700+ words
; ...guanine quadruplex structure. Guanine quadruplexes are stabilized...layers of Hoogsteen paired guanine residues (Fig. 1 A), and...sequences containing stretches of guanines under physiological conditions...resolution data exist now for many guanine quadruplex structures adopted...
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New dihydro OO'bis(salicylidene) 2,2' aminobenzothiazolyl borate complexes: kinetic and voltammetric studies of dimethyltin copper complex with guanine, adenine, and calf thymus DNA.
Magazine article from: Bioinorganic Chemistry and Applications; 1/1/2006; ; 700+ words
; ...The interaction of complex (5) with guanine, adenine, and calf thymus DNA was studied...hyperchromic effect" in the presence of guanine and calf thymus DNA. Indicative of strong...binds through [N.sub.7] position of guanine base, while the adenine shows binding...
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Separation of guanine and hypoxanthine with some ionic liquids in RP-HPLC.(reversed phase high performance liquid chromatography)
Magazine article from: American Journal of Applied Sciences; 12/1/2006; ; 700+ words
; Abstract: In this paper, guanine and hypoxanthine were separated with...methylsulfate ([OMIm][MS]) were used. Guanine and hypoxanthine couldn't be separated...the ionic liquid for separation of guanine and hypoxanthine as an eluent modifier...
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Molecular Dynamics Simulations of Guanine Quadruplex Loops: Advances and Force Field Limitations
Magazine article from: Biophysical Journal; 7/1/2004; ; 700+ words
; ...architecture. INTRODUCTION Guanine quadruplex (G-DNA) molecules...sequences are particularly guanine-rich and readily form quadruplexes...cyclically hydrogen-bonded guanines. Several consecutive quartets...channel interacting with the guanine carbonyl groups between the...
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A REGIOSELECTIVE SYNTHESIS OF ALKYL 2-(GUANIN-9-YL)ACETATES AS PNA BUILDING BLOCKS FROM 7-(4-NITROBENZYL)GUANINE DERIVATIVES
Magazine article from: Collection of Czechoslovak Chemical Communications; 1/1/2005; ; 700+ words
; Guanine derivatives substituted at N^sup 7^ with 4...the regioselective N^sup 9^-alkylation of guanine. Given the capricious removal of (substituted) benzyl groups from guanine derivatives and pent-4-enoylation of guaninium...
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Guanosine assays can estimate the plasma biomarker guanine deaminase.
Newspaper article from: Biotech Week; 2/25/2004; 603 words
; ...assays can estimate the plasma biomarker guanine deaminase. According to a study from Wales, "plasma guanine deaminase (guanase; GD) is well established...plasma GD activity is routine since both guanine and 8-azaguanine, the substrates of...
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Guanine nucleotide exchange protein involved in dendritic formation.
Newspaper article from: Drug Week; 5/28/2004; 651 words
; ...localization of the mRNA for EFA6A, a guanine nucleotide exchange protein for ARF6...in dendritic formation. "EFA6A is a guanine nucleotide exchange protein (GEP) that...localization of the mRNA for EFA6A, a guanine nucleotide exchange protein for ARF6...
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Alsin is a Rab5 and Rac1 guanine nucleotide exchange factor.
Newspaper article from: Obesity, Fitness & Wellness Week; 8/7/2004; 700+ words
; ...large protein, alsin, is a Rab5 and Rac1 guanine nucleotide exchange factor, and may play...that the Vps9p domain of alsin has Rab5 guanine nucleotide exchange activity. In addition...interacted specifically with and acted as a guanine nucleotide exchange factor for Rac1...
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guanine
Book article from: The Columbia Encyclopedia, Sixth Edition
guanine , organic base of the purine family. It...nucleic acids . The accepted structure of the guanine molecule was proposed in 1875, and the...sugar ribose in a glycosidic linkage, guanine forms a derivative called guanosine (a...
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DNA Repair
Book article from: Genetics
...the four natural DNA bases: adenine, guanine, cytosine, or thymine (A, G, C...hydrolysis . Loss of the "purine" bases (guanine and adenine) is referred to as depurination...cytosine (C), which is paired with guanine (G) in normal, double-stranded DNA...
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Erwin Chargaff
Encyclopedia entry from: Encyclopedia of World Biography
...there are also two types (adenine and guanine). In addition, two important experimental...in all organisms, as do cytosine and guanine, but that the proportions between the...expressed as follows: purines (adenine + guanine) equal pyrimidines (cytosine + thymine...
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DNA
Book article from: American Decades
...of four bases (adenine, thymidine, guanine, and cytosine) attached to a sugar...adenine always bonds to a thymidine, and a guanine to a cytosine; this assures that the...thymidine and vice versa. Similarly, a guanine on one side of the molecule will only...
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Double Helix
Encyclopedia entry from: The Gale Encyclopedia of Science
...nitrogen-containing bases: adenine (A), guanine (G), thy-mine (T), and cytosine...structures called pyrimidines; adenine and guanine are larger, double-ringed structures...DNA, the double-ringed adenine and guanine nucleotide bases were probably paired...
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