Uric Acid Formation
Uric Acid Formation - Related Videos
![Quantitative SERS Detection of Uric Acid via Formation of Precise Plasmonic Nanojunctions within Aggregates of Gold Nanoparticles and Cucurbit[<em>n</em>]uril](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F61682.jpg%3Fv%3D2026-09-01%252015%253A22%253A12&w=750&q=75)
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Quantitative SERS Detection of Uric Acid via Formation of Precise Plasmonic Nanojunctions within Aggregates of Gold Nanoparticles and Cucurbit[n]uril
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Cited by 4 •
2020
A host-guest complex of cucurbit[7]uril and uric acid was formed in an aqueous solution before adding a small amount into Au NP solution for quantitative surface-enhanced Raman spectroscopy (SERS) sensing using a modular spectrometer.
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Electrochemical Preparation of Poly(3,4-Ethylenedioxythiophene) Layers on Gold Microelectrodes for Uric Acid-Sensing Applications
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2021
We describe aqueous and organic solvent systems for the electropolymerization of poly(3,4-ethylenedioxythiophene) to create thin layers on the surface of gold microelectrodes, which are used for sensing low molecular weight analytes.
01:22
Phase II Reactions: Glutathione Conjugation and Mercapturic Acid Formation
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2025
Glutathione, a tripeptide made up of glutamate, cysteine, and glycine, is a critical player in the detoxification of drugs and xenobiotics via a process known as glutathione conjugation or mercapturic acid formation. This phase II biotransformation reaction involves the covalent binding of glutathione to a drug or its metabolite, enhancing the compound's water solubility and enabling its excretion. Several distinctive characteristics distinguish glutathione conjugation from other phase II...
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Mixtures of Acids
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2020
The pH of a solution containing an acid can be determined using its acid dissociation constant and its initial concentration. If a solution contains two different acids, then its pH can be determined using one of several methods depending upon the relative strength of the acids and their dissociation constants. A Mixture of a Strong Acid and a Weak Acid In a mixture of a strong acid and a weak acid, the strong acid dissociates completely and becomes a source of almost all the hydronium ions...
03:45
Formation of Complex Ions
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2020
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
FAQs
Purine catabolism proceeds through sequential oxidation: hypoxanthine becomes xanthine, followed by conversion of xanthine to uric acid. Xanthine oxidoreductase catalyzes the final oxidation steps, making it a central enzymatic component rather than a passive endpoint. Following this sequence helps biologists connect changes in enzyme activity with altered uric acid production and nitrogen disposal.
Uric acid levels reflect a balance between its generation during purine breakdown and its subsequent removal from blood by the kidneys. If this balance shifts toward accumulation, hyperuricemia can result. In gout, excess uric acid may crystallize in joints, linking a biochemical imbalance to a recognizable biological and clinical outcome.
Inhibiting production can reduce the amount of uric acid entering the body's waste pool. Because xanthine oxidoreductase catalyzes the final oxidation steps, the pathway presents a defined enzymatic target for therapy. Studying that target helps connect molecular reactions in purine catabolism with strategies intended to address excess uric acid.
A useful analysis follows the pathway in sequence: identify purines as the starting class of compounds, trace their breakdown through hypoxanthine and xanthine, note the oxidation steps catalyzed by xanthine oxidoreductase, and then consider kidney removal from blood. This organization separates production from elimination and clarifies where biological imbalance may occur.
Formation alone does not determine uric acid status. Biology must also consider what happens afterward: the kidneys remove most uric acid from the blood, while insufficient balance between production and removal may permit accumulation. The relevant outcomes include hyperuricemia and, when excess uric acid crystallizes in joints, gout.
It links several levels of biological explanation. At the molecular level, enzymes process purine-derived compounds; at the physiological level, the kidneys participate in waste removal; and at the medical level, altered handling can relate to hyperuricemia and gout. The pathway therefore provides both a metabolism example and a basis for understanding therapeutic intervention.