Helliwell M - Search Results

1

On the origin and variation of colors in lobster carapace.

Begum S, Cianci M, Durbeej B, Falklöf O, Hädener A, Helliwell JR, Helliwell M, Regan AC, Ian F Watt C. Begum S, et al. Among authors: helliwell m. Phys Chem Chem Phys. 2015 Jul 14;17(26):16723-32. doi: 10.1039/c4cp06124a. Phys Chem Chem Phys. 2015. PMID: 25797168 Free article.

2

Unravelling the chemical basis of the bathochromic shift in the lobster carapace; new crystal structures of unbound astaxanthin, canthaxanthin and zeaxanthin.

Bartalucci G, Coppin J, Fisher S, Hall G, Helliwell JR, Helliwell M, Liaaen-Jensen S. Bartalucci G, et al. Among authors: helliwell jr, helliwell m. Acta Crystallogr B. 2007 Apr;63(Pt 2):328-37. doi: 10.1107/S0108768106052633. Epub 2007 Mar 16. Acta Crystallogr B. 2007. PMID: 17374944

3

X-ray crystal structures of diacetates of 6-s-cis and 6-s-trans astaxanthin and of 7,8-didehydroastaxanthin and 7,8,7',8'-tetradehydroastaxanthin: comparison with free and protein-bound astaxanthins.

Bartalucci G, Fisher S, Helliwell JR, Helliwell M, Liaaen-Jensen S, Warren JE, Wilkinson J. Bartalucci G, et al. Among authors: helliwell jr, helliwell m. Acta Crystallogr B. 2009 Apr;65(Pt 2):238-47. doi: 10.1107/S0108768109004649. Epub 2009 Mar 16. Acta Crystallogr B. 2009. PMID: 19299880

4

Abinitio structure determination using dispersive differences from multiple-wavelength synchrotron-radiation powder diffraction data.

Helliwell JR, Helliwell M, Jones RH. Helliwell JR, et al. Among authors: helliwell m. Acta Crystallogr A. 2005 Nov;61(Pt 6):568-74. doi: 10.1107/S010876730503237X. Epub 2005 Oct 22. Acta Crystallogr A. 2005. PMID: 16244406

5

X-ray crystal structure and time-resolved spectroscopy of the blue carotenoid violerythrin.

Polívka T, Frank HA, Enriquez MM, Niedzwiedzki DM, Liaaen-Jensen S, Hemming J, Helliwell JR, Helliwell M. Polívka T, et al. Among authors: helliwell jr, helliwell m. J Phys Chem B. 2010 Jul 8;114(26):8760-9. doi: 10.1021/jp101296a. J Phys Chem B. 2010. PMID: 20545330

6

The origin of the conformational preference of N,N'-diaryl-N,N'-dimethyl ureas.

Clayden J, Hennecke U, Vincent MA, Hillier IH, Helliwell M. Clayden J, et al. Among authors: helliwell m. Phys Chem Chem Phys. 2010 Dec 7;12(45):15056-64. doi: 10.1039/c0cp00571a. Epub 2010 Oct 18. Phys Chem Chem Phys. 2010. PMID: 20953510

7

Quadratic and cubic nonlinear optical properties of salts of diquat-based chromophores with diphenylamino substituents.

Coe BJ, Fielden J, Foxon SP, Helliwell M, Brunschwig BS, Asselberghs I, Clays K, Olesiak J, Matczyszyn K, Samoc M. Coe BJ, et al. Among authors: helliwell m. J Phys Chem A. 2010 Nov 18;114(45):12028-41. doi: 10.1021/jp106473e. Epub 2010 Oct 26. J Phys Chem A. 2010. PMID: 20977249

8

Evolution of linear absorption and nonlinear optical properties in V-shaped ruthenium(II)-based chromophores.

Coe BJ, Foxon SP, Harper EC, Helliwell M, Raftery J, Swanson CA, Brunschwig BS, Clays K, Franz E, Garín J, Orduna J, Horton PN, Hursthouse MB. Coe BJ, et al. Among authors: helliwell m. J Am Chem Soc. 2010 Feb 10;132(5):1706-23. doi: 10.1021/ja908667p. J Am Chem Soc. 2010. PMID: 20078060 Free article.

9

N-versus C-terminal control over the screw-sense preference of the configurationally achiral, conformationally helical peptide motif Aib(8)GlyAib(8).

Solà J, Helliwell M, Clayden J. Solà J, et al. Among authors: helliwell m. J Am Chem Soc. 2010 Apr 7;132(13):4548-9. doi: 10.1021/ja100662d. J Am Chem Soc. 2010. PMID: 20232805

10

Atropisomerism at C-S bonds: asymmetric synthesis of diaryl sulfones by dynamic resolution under thermodynamic control.

Clayden J, Senior J, Helliwell M. Clayden J, et al. Among authors: helliwell m. Angew Chem Int Ed Engl. 2009;48(34):6270-3. doi: 10.1002/anie.200901718. Angew Chem Int Ed Engl. 2009. PMID: 19610006 No abstract available.

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