<div dir="ltr"><div>Dear all,</div><div><br></div><div>this is truly sad news and a loss for the field of analytical ultracentrifugation in general and especially for colloid and polymer research.</div><div><br></div><div>I will remember Helmut as an insightful and cheerful colleague - it was a privilege to discuss science with him at various occasions and meetings across the globe, most memorable to me are the Uppsala, Sweden, and Atami, Japan, AUC conferences. Thank you, Helmut!</div><div><br></div><div>Arne</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><b><span style="font-family:Verdana,sans-serif">Dr. Arne Rufer</span></b><span style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Verdana,sans-serif">Expert Scientist</span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Verdana,sans-serif">Lead Discovery</span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Verdana,sans-serif">Pharma Research and Early Development</span><span style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span lang="DE-CH" style="font-family:Verdana,sans-serif">Roche Innovation Center Basel</span><span lang="DE-CH" style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span lang="DE-CH" style="font-family:Verdana,sans-serif">F. Hoffmann-La Roche Ltd.</span><span lang="DE-CH" style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span lang="DE-CH" style="font-family:Verdana,sans-serif">Grenzacherstrasse 124, 065/208A</span><span lang="DE-CH" style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span lang="DE-CH" style="font-family:Verdana,sans-serif">4070 Basel</span><span lang="DE-CH" style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span lang="DE-CH" style="font-family:Verdana,sans-serif">Switzerland</span><span lang="DE-CH" style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span lang="DE-CH" style="font-family:Verdana,sans-serif">Tel: 0041-(0)61-6882126</span><span lang="DE-CH" style="font-family:Arial,sans-serif"><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Arial,sans-serif"><a href="mailto:arne.rufer@roche.com" target="_blank"><span style="font-family:Verdana,sans-serif">arne.rufer@roche.com</span></a><span></span></span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Arial,sans-serif"> </span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Arial,sans-serif"> </span></p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Arial,sans-serif"> </span></p><p>
</p><p style="margin:0in 0in 0.0001pt;background-image:initial;background-position:initial;background-repeat:initial"><span style="font-family:Arial,sans-serif">Confidentiality
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unauthorized use of the information contained in this message is prohibited.<span></span></span></p><div><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Nov 29, 2023 at 3:36 PM Mattia Rocco <<a href="mailto:mattia.rocco@quipo.it" target="_blank">mattia.rocco@quipo.it</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">**Warning** The sender address (Mattia Rocco ) can not be verified, sender email address could be spoofed. Please take care to proceed.<br>
<br>
Oh nooo... what a dreadful news... :-(<br>
<br>
RIP Helmut, we had such good times together...<br>
<br>
Mattia<br>
<br>
Il 2023-11-29 15:28 Stephen Harding ha scritto:<br>
> Dear all<br>
> It is with great sadness to report that our good friend and colleague <br>
> Helmut Cölfen died last night<br>
> Steve Harding<br>
> <br>
> -----------------------------------------------------------------<br>
> Stephen E Harding MA, DSc<br>
> Professor of Applied Biochemistry, University of Nottingham<br>
> NCMH, Limes Building, School of Biosciences, Sutton Bonington LE12 5RD, <br>
> UK<br>
> <br>
> <br>
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