File:Opal molecular structure Via Scanning EM (idealized).jpg - Wikimedia Commons
![File:Opal molecular structure Via Scanning EM (idealized).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/a/a2/Opal_molecular_structure_Via_Scanning_EM_%28idealized%29.jpg)
![](https://pubs.acs.org/cms/10.1021/acsapm.2c00072/asset/images/medium/ap2c00072_0005.gif)
Hierarchical Molecularly Imprinted Inverse Opal-Based Platforms for Highly Selective and Sensitive Determination of Histamine
Particle-Nested Inverse Opal Structures as Hierarchically Structured Large-Scale Membranes with Tunable Separation Properties
![](https://upload.wikimedia.org/wikipedia/commons/2/20/Phosphite-ion-from-xtal-3D-vdW.png)
File:Phosphite-ion-from-xtal-3D-vdW.png - Wikipedia
![](https://pubs.rsc.org/image/article/2022/RA/d2ra04197a/d2ra04197a-f5_hi-res.gif)
Water characterization and structural attribution of different colored opals - RSC Advances (RSC Publishing) DOI:10.1039/D2RA04197A
![](https://pubs.rsc.org/image/article/2022/RA/d2ra04197a/d2ra04197a-f6_hi-res.gif)
Water characterization and structural attribution of different colored opals - RSC Advances (RSC Publishing) DOI:10.1039/D2RA04197A
![](https://pubs.acs.org/cms/10.1021/la200111j/asset/images/large/la-2011-00111j_0005.jpeg)
Fabrication of TiO2 Binary Inverse Opals without Overlayers via the Sandwich-Vacuum Infiltration of Precursor
![](https://pubs.acs.org/cms/10.1021/la200111j/asset/images/large/la-2011-00111j_0010.jpeg)
Fabrication of TiO2 Binary Inverse Opals without Overlayers via the Sandwich-Vacuum Infiltration of Precursor
![](https://pubs.acs.org/cms/10.1021/acsapm.2c00072/asset/images/medium/ap2c00072_0007.gif)
Hierarchical Molecularly Imprinted Inverse Opal-Based Platforms for Highly Selective and Sensitive Determination of Histamine
![](https://www.researchgate.net/profile/Moritz-Liesegang/publication/263427011/figure/tbl1/AS:668696506802181@1536441079148/Representative-chemical-analyses-of-opal-associated-minerals-from-the-Andamooka-and_Q320.jpg)
SEM images of characteristic appearances of opal-A (a-d) and opal-CT (e
![](https://www.mdpi.com/molecules/molecules-24-00333/article_deploy/html/images/molecules-24-00333-g009.png)
Molecules, Free Full-Text
![](https://upload.wikimedia.org/wikipedia/commons/6/6b/Opal_molecular_structure2.jpg)
File:Opal molecular structure2.jpg - Wikipedia
![](https://www.mdpi.com/molbank/molbank-2023-M1688/article_deploy/html/images/molbank-2023-M1688-g001.png)
Molbank, Free Full-Text