Related Experiment Video

Updated: Jul 11, 2026

One-step Metabolomics: Carbohydrates, Organic and Amino Acids Quantified in a Single Procedure
09:28

One-step Metabolomics: Carbohydrates, Organic and Amino Acids Quantified in a Single Procedure

Published on: June 26, 2010

S.E.M. study of urease-induced crystalluria in the presence of hydroxamic derivatives

M Ben Amar, G L'Espérance, R Tawashi

    International Urology and Nephrology
    |January 1, 1986
    PubMed

    Keywords:
    urease inhibitioncrystal morphologyhydroxamic acidsstruvite formation

    More Related Videos

    Hot Biological Catalysis: Isothermal Titration Calorimetry to Characterize Enzymatic Reactions13:00

    Hot Biological Catalysis: Isothermal Titration Calorimetry to Characterize Enzymatic Reactions

    Published on: April 4, 2014

    Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis07:45

    Estimation of Urinary Nanocrystals in Humans using Calcium Fluorophore Labeling and Nanoparticle Tracking Analysis

    Published on: February 9, 2021

    Related Concept Videos

    Amides to Carboxylic Acids: Hydrolysis01:28

    Amides to Carboxylic Acids: Hydrolysis

    Amides can undergo either acid-catalyzed hydrolysis or base-promoted hydrolysis through a typical nucleophilic acyl substitution. Each hydrolysis requires severe conditions.
    Acid-catalyzed hydrolysis:
    Hydrolysis of amides under acidic conditions yields carboxylic acids. Since the reaction occurs slowly, hydrolysis requires the conditions of heat.
    The mechanism begins with the protonation of the carbonyl oxygen by the acid catalyst. The protonation makes the amide carbonyl carbon more...
    Basicity of Heterocyclic Aromatic Amines01:25

    Basicity of Heterocyclic Aromatic Amines

    Heterocyclic amines, where the N atom is a part of an alicyclic system, are similar in basicity to alkylamines. Interestingly, the heterocyclic amine having a nitrogen atom as part of an aromatic ring has much less basicity than its corresponding alicyclic counterpart. For this reason, as presented in Figure 1, piperidine (pKb = 2.8) is significantly more basic than pyridine (pKb = 8.8).
    Amines to Sulfonamides: The Hinsberg Test01:23

    Amines to Sulfonamides: The Hinsberg Test

    The Hinsberg test is a method to identify primary, secondary and tertiary amines, named after its pioneer, Oscar Hinsberg. Here, amines are treated with benzenesulfonyl chloride, also known as the Hinsberg reagent, in the presence of an excess of aqueous base, followed by acidification. Based on the nature of the amines, different changes are observed.
    Generally, a primary amine reacts with the Hinsberg reagent to produce an N-substituted benzenesulfonamide. The electron-withdrawing sulfonyl...
    Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

    Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

    Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
    Urinary Tract Calculi III: Medical Management01:30

    Urinary Tract Calculi III: Medical Management

    The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
    Urine Studies I: Urinalysis01:29

    Urine Studies I: Urinalysis

    Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...