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Department of Chemistry

 
Portrait of tpjk2

We study the physical and chemical aspects of the behaviour of biopolymers and other soft systems. Much of our work has been focused on the physical aspects underlying the self-assembly of protein molecules. Self-organisation is the driving force generating complex matter in nature, and the process by which the machinery providing functionality in living systems is assembled. The goal of our research is to understand the physical and chemical factors which control the structures and dynamics of biomolecular assemblies, and the connections between the nanoscale characteristics of the component molecules and the physical properties of large-scale assemblies and their behaviour on a mesoscopic to macroscopic scale. The techniques used in our laboratory include biosensors, optical lithography, microfluidic devices and scanning probe microscopy and spectroscopy. We work both with natural and synthetic polymers and our interests range from fundamental chemical physics to technological applications in material science and molecular medicine.

Publications

Label-Free Analysis of Protein Aggregation and Phase Behavior
Z Toprakcioglu, P Challa, C Xu, TPJ Knowles
– ACS nano
(2019)
13,
13940
Controllable coacervation of recombinantly produced spider silk protein using kosmotropic salts
P Mohammadi, C Jonkergouw, G Beaune, P Engelhardt, A Kamada, JVI Timonen, TPJ Knowles, M Penttila, MB Linder
– Journal of colloid and interface science
(2020)
560,
149
Nucleation and Growth of Amino Acid and Peptide Supramolecular Polymers through Liquid-Liquid Phase Separation.
C Yuan, A Levin, W Chen, R Xing, Q Zou, TW Herling, PK Challa, TPJ Knowles, X Yan
– Angew Chem Int Ed Engl
(2019)
58,
18116
Modulating the Mechanical Performance of Macroscale Fibers through Shear‐Induced Alignment and Assembly of Protein Nanofibrils
A Kamada, A Levin, Z Toprakcioglu, Y Shen, V Lutz-Bueno, KN Baumann, P Mohammadi, MB Linder, R Mezzenga, TPJ Knowles
– Small (Weinheim an der Bergstrasse, Germany)
(2019)
e1904190
Autoantibodies against the prion protein in individuals with PRNP mutations
K Frontzek, MC Carta, M Losa, M Epskamp, G Meisl, A Anane, J-P Brandel, U Camenisch, J Castilla, S Haik, T Knowles, E Lindner, A Lutterotti, EV Minikel, I Roiter, J Safar, R Sanchez-Valle, D Zakova, S Hornemann, A Aguzzi
(2019)
Autocatalytic amplification of Alzheimer-associated Aβ42 peptide aggregation in human cerebrospinal fluid.
R Frankel, M Törnquist, G Meisl, O Hansson, U Andreasson, H Zetterberg, K Blennow, B Frohm, T Cedervall, TPJ Knowles, T Leiding, S Linse
– Commun Biol
(2019)
2,
365
RNA Granules Hitchhike on Lysosomes for Long-Distance Transport, Using Annexin A11 as a Molecular Tether
Y-C Liao, MS Fernandopulle, G Wang, H Choi, L Hao, CM Drerup, R Patel, S Qamar, J Nixon-Abell, Y Shen, W Meadows, M Vendruscolo, TPJ Knowles, M Nelson, MA Czekalska, G Musteikyte, MA Gachechiladze, CA Stephens, HA Pasolli, LR Forrest, P St George-Hyslop, J Lippincott-Schwartz, ME Ward
– Cell
(2019)
179,
147
Characterizing Individual Protein Aggregates by Infrared Nanospectroscopy and Atomic Force Microscopy
FS Ruggeri, T Šneideris, S Chia, M Vendruscolo, TPJ Knowles
– JoVE
(2019)
ARTN e60108
(DOI: 10.3791/60108)
Enhancement of the Anti-Aggregation Activity of a Molecular Chaperone Using a Rationally Designed Post-Translational Modification.
PR Lindstedt, FA Aprile, MJ Matos, M Perni, JB Bertoldo, B Bernardim, Q Peter, G Jiménez-Osés, TPJ Knowles, CM Dobson, F Corzana, M Vendruscolo, GJL Bernardes
– ACS Central Science
(2019)
5,
1417
Small molecule sequestration of amyloid-β as a drug discovery strategy for Alzheimer’s disease
G Heller, F Aprile, T Michaels, R Limbocker, M Perni, FS Ruggeri, B Mannini, T Löhr, M Bonomi, A De Simone, I Felli, R Pierattelli, T Knowles, C Dobson, M Vendruscolo
(2019)
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Research Interest Groups

Telephone number

01223 336344

Email address

tpjk2@cam.ac.uk