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Related Concept Videos

Acid Halides to Alcohols: LiAlH4 Reduction01:19

Acid Halides to Alcohols: LiAlH4 Reduction

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Acid halides are reduced to alcohols in the presence of a strong reducing agent like lithium aluminum hydride.
The mechanism proceeds in three steps. First, the nucleophilic hydride ion attacks the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs as a leaving group, generating an aldehyde. A second nucleophilic attack by the hydride yields an alkoxide ion, which, upon protonation, gives a primary alcohol as...
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Polyprotic Acids

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Acids are classified by the number of protons per molecule that they can give up in a reaction. Acids such as HCl, HNO3, and HCN that contain one ionizable hydrogen atom in each molecule are called monoprotic acids. Their reactions with water are:
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Mixtures of Acids03:27

Mixtures of Acids

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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...
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Multiple Allele Traits01:49

Multiple Allele Traits

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The Concept of Multiple Allelism
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Titration of a Polyprotic Acid02:08

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A polyprotic acid contains more than one ionizable hydrogen and undergoes a stepwise ionization process.  If the acid dissociation constants of the ionizable protons differ sufficiently from each other, then the titration curve for such polyprotic acid generates a distinct equivalence point for each of its ionizable hydrogens. Therefore, titration of a diprotic acid results in the formation of two equivalence points, whereas the titration of a triprotic acid results in the formation of three...
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Multiple Regression01:25

Multiple Regression

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Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
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Visual Detection of Multiple Nucleic Acids in a Capillary Array
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4-Hydroxybenzoic acid for multiple system atrophy?

Felix Distelmaier1

  • 1Department of General Pediatrics, Neonatology and Pediatric Cardiology, University Children's Hospital, Medical Faculty, Heinrich-Heine-University Düsseldorf, 40225 Düsseldorf, Germany.

Parkinsonism & Related Disorders
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Summary

Multiple system atrophy (MSA) is linked to coenzyme Q10 (CoQ10) biosynthesis issues. 4-hydroxybenzoic acid shows promise as an alternative treatment due to CoQ10

Area of Science:

  • Neurodegenerative diseases
  • Biochemistry
  • Metabolic pathways

Background:

  • Growing evidence links multiple system atrophy (MSA) to disruptions in coenzyme Q10 (CoQ10) biosynthesis.
Keywords:
COQ2Coenzyme Q(10)NeurodegenerationTherapy

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  • Despite this link, therapeutic benefits for MSA patients remain limited.
  • Poor oral bioavailability of CoQ10 supplements presents a significant challenge.