Figure 2 (image) Japan Science and Technology Agency Share Print E-Mail Caption Synthesis strategy of an all-benzene catenane (top) and knot (bottom) (overview) The parts in orange are the silicon atoms used for tentative fastenings. Those silicon atoms can be removed though a reaction with fluorine. Credit Nogoya University Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.