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Related Concept Videos

Racemic Mixtures and the Resolution of Enantiomers02:30

Racemic Mixtures and the Resolution of Enantiomers

A racemic mixture, or racemate, is an equimolar mixture of enantiomers of a molecule that can be separated using their unique interaction with chiral molecules or media. Racemic mixtures are denoted by the (±)- prefix. This ‘optical rotation descriptor’ applies to the whole solution of a racemic mixture rather than a specific stereoisomer. Enantiomers typically have the same physical and chemical properties. Hence, they are not easily separable. However, enantiomers can exhibit different...
Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Chromatographic Resolution01:15

Chromatographic Resolution

In chromatography, a solute moves through a chromatographic column and tends to spread, forming a Gaussian-shaped band. The longer the solute spends in the column, the broader the band becomes. The broadening can lead to overlaps within the column, affecting separation effectiveness.
The effectiveness of separation can be evaluated by determining the level of separation between two neighboring peaks in a chromatogram, which represents the individual components of a sample.
In chromatography,...
Role of Ephrin-Eph Signalling in Intestinal Stem Cell Renewal01:22

Role of Ephrin-Eph Signalling in Intestinal Stem Cell Renewal

Erythropoietin-producing hepatocellular carcinoma receptor (Eph) and its ligand, Eph receptor-interacting protein (Ephrin) were first discovered in the human carcinoma cell line, hence the name. Ephrin-Eph interaction guides cells to reach their appropriate location in adult tissues. They also play an essential role in the immune system by helping in immune cell migration, adhesion, and activation. Based on their structure and function, Eph is divided into two classes — EphA and EphB.
Restarting Stalled Replication Forks02:37

Restarting Stalled Replication Forks

DNA replication is initiated at sites containing predefined DNA sequences known as origins of replication. DNA is unwound at these sites by the minichromosome maintenance (MCM) helicase and other factors such as Cdc45 and the associated GINS complex.The unwound single strands are protected by replication protein A (RPA) until DNA polymerase starts synthesizing DNA at the 5’ end of the strand in the same direction as the replication fork. To prevent the replication fork from falling apart, a...
Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
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Related Experiment Video

Updated: May 13, 2026

A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation
07:40

A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation

Published on: August 30, 2019

Resolving resolvins.

Jesper Z Haeggström1, Mats Hamberg

  • 1Division of Chemistry 2, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, S-171 77 Stockholm, Sweden. jesper.haeggstrom@ki.se

Chemistry & Biology
|February 27, 2013
PubMed
Summary

Researchers identified the chemical structures of resolvin D3 (RvD3) and its aspirin-triggered form. These omega-3 fatty acid derivatives show anti-inflammatory and proresolving properties, aiding in the design of new therapeutic agents.

Area of Science:

  • Biochemistry
  • Pharmacology

Background:

  • Docosahexaenoic acid (DHA), an omega-3 fatty acid, is a precursor to specialized proresolving mediators (SPMs).
  • Inflammation resolution is an active biological process involving specific molecular signaling pathways.

Discussion:

  • This study elucidates the chemical structures of resolvin D3 (RvD3) and its aspirin-triggered analogue.
  • RvD3 and its derivatives are identified as key players in the temporal dynamics of inflammation resolution.
  • These compounds exhibit significant anti-inflammatory and proresolving activities.

Key Insights:

  • The precise chemical structures of RvD3 and aspirin-triggered RvD3 have been determined.
  • These resolvins demonstrate potent anti-inflammatory and proresolving effects.
  • Their specific temporal appearance during inflammation resolution highlights their regulatory role.

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Analysis of Raw and Processed Cyperi Rhizoma Samples Using Liquid Chromatography-Tandem Mass Spectrometry in Rats with Primary Dysmenorrhea
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Analysis of Raw and Processed Cyperi Rhizoma Samples Using Liquid Chromatography-Tandem Mass Spectrometry in Rats with Primary Dysmenorrhea

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Related Experiment Videos

Last Updated: May 13, 2026

A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation
07:40

A Model of Self-limited Acute Lung Injury by Unilateral Intra-bronchial Acid Instillation

Published on: August 30, 2019

Resolving Water, Proteins, and Lipids from In Vivo Confocal Raman Spectra of Stratum Corneum through a Chemometric Approach
09:32

Resolving Water, Proteins, and Lipids from In Vivo Confocal Raman Spectra of Stratum Corneum through a Chemometric Approach

Published on: September 26, 2019

Analysis of Raw and Processed Cyperi Rhizoma Samples Using Liquid Chromatography-Tandem Mass Spectrometry in Rats with Primary Dysmenorrhea
07:36

Analysis of Raw and Processed Cyperi Rhizoma Samples Using Liquid Chromatography-Tandem Mass Spectrometry in Rats with Primary Dysmenorrhea

Published on: December 23, 2022

Outlook:

  • The findings pave the way for the rational design of novel synthetic resolvin mimetics.
  • These mimetics could serve as potential agonists for promoting inflammation resolution.
  • Future research may focus on therapeutic applications of RvD3 analogues in inflammatory diseases.