<a href="https://2015.igem.org/Team:Bielefeld-CeBiTec/Notebook/HeavyMetals" title="Heavy Metals"><img class="img-circle img-inactive img-notebook-nav" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Heavy metals" width="90" height="90"></a>

         <a href="https://2015.igem.org/Team:Bielefeld-CeBiTec/Notebook/DRdrugs" title="Date rape drugs"><img class="img-circle img-inactive img-notebook-nav" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Date rape drugs" width="90" height="90"></a>

         <a href="https://2015.igem.org/Team:Bielefeld-CeBiTec/Notebook/CFPS" title="CFPS"><img  class="img-circle img-inactive img-notebook-nav" src="https://static.igem.org/mediawiki/2015/f/ff/Bielefeld-CeBiTec_Notebook_CFPS.jpg" alt="CFPS" width="90" height="90"></a>

         <a href="https://2015.igem.org/Team:Bielefeld-CeBiTec/Notebook/PlasmidDisplay" title="PRIA"><img  class="img-circle img-inactive img-notebook-nav" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="PRIA" width="90" height="90"></a>

         <img class="img-circle img-notebook-nav" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Miscellaneous" width="90" height="90">