Page last updated: 2024-12-07

12-(9-anthroyloxy)stearic acid

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

12-(9-anthroyloxy)stearic acid, also known as **12-(9-anthroiloxy)stearic acid** or **12-ANS**, is a fluorescent probe molecule used in research. It's a modified fatty acid with an anthracene fluorophore attached to the 12th carbon atom of its stearic acid backbone.

Here's why it's important for research:

**1. Membrane Fluidity and Dynamics:**

* 12-ANS is highly sensitive to changes in the physical properties of lipid membranes.
* It partitions into membranes and its fluorescence intensity, lifetime, and polarization are influenced by:
* **Membrane fluidity:** More fluid membranes allow greater probe mobility, leading to increased fluorescence intensity.
* **Lipid packing:** Tightly packed membranes restrict probe movement, leading to reduced fluorescence intensity.
* **Lipid phase transitions:** 12-ANS can help detect changes in membrane structure and fluidity that occur during phase transitions (gel to liquid crystalline).

**2. Membrane Protein Interactions:**

* 12-ANS can be used to study interactions between membrane proteins and the surrounding lipid bilayer.
* Changes in its fluorescence properties can indicate:
* **Binding of proteins to the membrane:** If 12-ANS is displaced by a protein binding to the membrane, its fluorescence intensity may decrease.
* **Conformational changes in membrane proteins:** Changes in protein conformation might alter the local environment of 12-ANS, affecting its fluorescence.

**3. Cellular Imaging and Microscopy:**

* 12-ANS's fluorescent properties make it suitable for visualizing cellular membranes and studying their dynamics.
* It can be used in fluorescence microscopy techniques like:
* **Fluorescence recovery after photobleaching (FRAP):** Measures membrane fluidity by observing the rate at which bleached 12-ANS molecules diffuse back into a bleached area.
* **Fluorescence correlation spectroscopy (FCS):** Quantifies diffusion rates and concentration of molecules within the membrane.

**Overall, 12-ANS serves as a powerful tool for investigating membrane properties, studying interactions with membrane proteins, and visualizing membrane dynamics in various cellular and model systems.** It is widely used in research areas such as:

* **Biochemistry:** Studying lipid membrane structure and dynamics.
* **Cell biology:** Investigating membrane protein function and interactions.
* **Pharmacology:** Screening for drugs that target membrane proteins.

It's worth noting that 12-ANS is not the only fluorescent probe used for these purposes. Other similar probes exist, each with its own advantages and disadvantages. The choice of probe depends on the specific research question and experimental conditions.

12-(9-anthroyloxy)stearic acid: emits radioluminescence when excited by radioactive decay of tritium [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID121860
SCHEMBL ID593057
MeSH IDM0087321

Synonyms (16)

Synonym
9-anthracenecarboxylic acid, 11-carboxy-1-hexylundecyl ester
12-(9-anthroyloxy)stearic acid
30536-60-8
12-(anthracene-9-carbonyloxy)octadecanoic acid
12-as cpd
039y7q32co ,
unii-039y7q32co
SCHEMBL593057
(+-)-12-(9-anthroyloxy)stearic acid
12-(9-anthroyloxy)stearic acid, (+/-)-
12-((anthracene-9-carbonyl)oxy)octadecanoic acid
FT-0697039
Q27247549
12-[(anthracene-9-carbonyl)oxy]octadecanoic acid
DTXSID80952836
12-((anthracene-9-carbonyl)oxy)octadecanoicacid
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (29)

TimeframeStudies, This Drug (%)All Drugs %
pre-199013 (44.83)18.7374
1990's8 (27.59)18.2507
2000's8 (27.59)29.6817
2010's0 (0.00)24.3611
2020's0 (0.00)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 10.81

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be weak demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index10.81 (24.57)
Research Supply Index3.43 (2.92)
Research Growth Index4.25 (4.65)
Search Engine Demand Index0.00 (26.88)
Search Engine Supply Index0.00 (0.95)

This Compound (10.81)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews0 (0.00%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other30 (100.00%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]