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Stabilisation of oil-in-water emulsions with non-chemical modified gelatinised starch (2018)
Journal Article
Kasprzak, M. M., Macnaughtan, W., Harding, S., Wilde, P., & Wolf, B. (2018). Stabilisation of oil-in-water emulsions with non-chemical modified gelatinised starch. Food Hydrocolloids, 81, https://doi.org/10.1016/j.foodhyd.2018.03.002

In this research, stabilisation of oil-in-water emulsions with non-chemically modified gelatinised starch is presented. Thus far only octenyl succinic anhydride(OSA) modified gelatinised starch has been known to adsorb at emulsion droplet interfaces,... Read More about Stabilisation of oil-in-water emulsions with non-chemical modified gelatinised starch.

Full hydrodynamic reversibility of the weak dimerization of vancomycin and elucidation of its interaction with VanS monomers at clinical concentration (2017)
Journal Article
Phillips-Jones, M. K., Lithgo, R., Dinu, V., Gillis, R. B., Harding, J. E., Adams, G. G., & Harding, S. E. (2017). Full hydrodynamic reversibility of the weak dimerization of vancomycin and elucidation of its interaction with VanS monomers at clinical concentration. Scientific Reports, 7(1), 1-10. https://doi.org/10.1038/s41598-017-12620-z

The reversibility and strength of the previously established dimerization of the important glycopeptide antibiotic vancomycin in four different aqueous solvents (including a medically-used formulation) have been studied using short-column sedimentati... Read More about Full hydrodynamic reversibility of the weak dimerization of vancomycin and elucidation of its interaction with VanS monomers at clinical concentration.

Glargine and degludec: solution behaviour of higher dose synthetic insulins (2017)
Journal Article
Adams, G. G., Alzahrani, Q., Jiwani, S. I., Meal, A., Morgan, P. S., Coffey, F., …Gillis, R. B. (2017). Glargine and degludec: solution behaviour of higher dose synthetic insulins. Scientific Reports, 7(1), Article 7287. https://doi.org/10.1038/s41598-017-06642-w

Single, double and triple doses of the synthetic insulins glargine and degludec currently used in patient therapy are characterised using macromolecular hydrodynamic techniques (dynamic light scattering and analytical ultracentrifugation) in an attem... Read More about Glargine and degludec: solution behaviour of higher dose synthetic insulins.

In situ polymerisation of isoeugenol as a green consolidation method for waterlogged archaeological wood (2017)
Journal Article
McHale, E., Steindal, C. C., Kutzke, H., Benneche, T., & Harding, S. E. (2017). In situ polymerisation of isoeugenol as a green consolidation method for waterlogged archaeological wood. Scientific Reports, 7, Article 46481. https://doi.org/10.1038/srep46481

Waterlogged archaeological wood is often in need of consolidation prior to drying to prevent shrinkage and cracking of the object. There is a need for new greener materials (than for example polyethylene glycol) and methods for consolidation to be de... Read More about In situ polymerisation of isoeugenol as a green consolidation method for waterlogged archaeological wood.

Hydrodynamics of the VanA-type VanS histidine kinase: an extended solution conformation and first evidence for interactions with vancomycin (2017)
Journal Article
Phillips-Jones, M. K., Channell, G. A., Kelsall, C. J., Hughes, C. S., Ashcroft, A. E., Patching, S. G., …Harding, S. E. (2017). Hydrodynamics of the VanA-type VanS histidine kinase: an extended solution conformation and first evidence for interactions with vancomycin. Scientific Reports, 7(1), 1-12. https://doi.org/10.1038/srep46180

VanA-type resistance to glycopeptide antibiotics in clinical enterococci is regulated by the VanSARA two-component signal transduction system. The nature of the molecular ligand that is recognised by the VanSA sensory component has not hitherto been... Read More about Hydrodynamics of the VanA-type VanS histidine kinase: an extended solution conformation and first evidence for interactions with vancomycin.

Assessing sedimentation equilibrium profiles in analytical ultracentrifugation experiments on macromolecules: from simple average molecular weight analysis to molecular weight distribution and interaction analysis (2016)
Journal Article
Harding, S. E., Gillis, R. B., & Adams, G. G. (in press). Assessing sedimentation equilibrium profiles in analytical ultracentrifugation experiments on macromolecules: from simple average molecular weight analysis to molecular weight distribution and interaction analysis. Biophysical Reviews, 8(4), https://doi.org/10.1007/s12551-016-0232-8

Molecular weights (molar masses), molecular weight distributions, dissociation constants and other interaction parameters are fundamental characteristics of proteins, nucleic acids, polysaccharides and glycoconjugates in solution. Sedimentation equil... Read More about Assessing sedimentation equilibrium profiles in analytical ultracentrifugation experiments on macromolecules: from simple average molecular weight analysis to molecular weight distribution and interaction analysis.

Foreword to ‘Quantitative and analytical relations in biochemistry’—a special issue in honour of Donald J. Winzor’s 80th birthday (2016)
Journal Article
Hall, D., & Harding, S. E. (2016). Foreword to ‘Quantitative and analytical relations in biochemistry’—a special issue in honour of Donald J. Winzor’s 80th birthday. Biophysical Reviews, 8(4), 269-277. https://doi.org/10.1007/s12551-016-0227-5

The purpose of this special issue is to honour Professor Donald J. Winzor’s long career as a researcher and scientific mentor, and to celebrate the milestone of his 80th birthday. Throughout his career, Don has been renowned for his development of cl... Read More about Foreword to ‘Quantitative and analytical relations in biochemistry’—a special issue in honour of Donald J. Winzor’s 80th birthday.

Solution conformation and flexibility of capsular polysaccharides from Neisseria meningitidis and glycoconjugates with the tetanus toxoid protein (2016)
Journal Article
Abdelhameed, A. S., Morris, G. A., Almutairi, F., Adams, G. G., Duvivier, P., Conrath, K., & Harding, S. E. (in press). Solution conformation and flexibility of capsular polysaccharides from Neisseria meningitidis and glycoconjugates with the tetanus toxoid protein. Scientific Reports, 6(1), 1-11. https://doi.org/10.1038/srep35588

The structural integrity of meningococcal native, micro-fluidized and activated capsular polysaccharides and their glycoconjugates – in the form most relevant to their potential use as vaccines (dilute solution) - have been investigated with respect... Read More about Solution conformation and flexibility of capsular polysaccharides from Neisseria meningitidis and glycoconjugates with the tetanus toxoid protein.

Both reversible self-association and structural changes underpin molecular viscoelasticity of mAb solutions (2016)
Journal Article
Sarangapani, P. S., Weaver, J., Parupudi, A., Besong, T. M., Adams, G. G., Harding, S. E., …Pathak, J. A. (2016). Both reversible self-association and structural changes underpin molecular viscoelasticity of mAb solutions. Journal of Pharmaceutical Sciences, 105(12), https://doi.org/10.1016/j.xphs.2016.08.020

The role of antibody structure (conformation) in solution rheology is probed. It is demonstrated here that pH-dependent changes in the tertiary structure of 2 mAb solutions lead to viscoelasticity and not merely a shear viscosity (η) increase. Steady... Read More about Both reversible self-association and structural changes underpin molecular viscoelasticity of mAb solutions.

Genetic improvement of tomato by targeted control of fruit softening (2016)
Journal Article
Uluisik, S., Chapman, N. H., Smith, R., Poole, M., Adams, G., Gillis, R. B., …Seymour, G. B. (2016). Genetic improvement of tomato by targeted control of fruit softening. Nature Biotechnology, 34, 950-952. https://doi.org/10.1038/nbt.3602

Controlling the rate of softening to extend shelf life was a key target for researchers engineering genetically modified (GM) tomatoes in the 1990s, but only modest improvements were achieved. Hybrids grown nowadays contain 'non-ripening mutations' t... Read More about Genetic improvement of tomato by targeted control of fruit softening.

Application of novel analytical ultracentrifuge analysis to solutions of fungal mannans (2016)
Journal Article
Gillis, R. B., Adams, G. G., Besong, D. T., Machová, E., Ebringerová, A., Rowe, A. J., …Patel, T. R. (2017). Application of novel analytical ultracentrifuge analysis to solutions of fungal mannans. European Biophysics Journal, 46(3), 235-245. https://doi.org/10.1007/s00249-016-1159-5

Polysaccharides, the most abundant biopolymers, are required for a host of activities in lower organisms, animals, and plants. Their solution characterization is challenging due to their complex shape, heterogeneity, and size. Here, recently develope... Read More about Application of novel analytical ultracentrifuge analysis to solutions of fungal mannans.

A novel analytical ultracentrifugation based approach to the low resolution structure of gum arabic (2016)
Journal Article
Gillis, R. B., Adams, G. G., Alzahrani, Q., Harding, S. E., & Allen Bush, C. (2016). A novel analytical ultracentrifugation based approach to the low resolution structure of gum arabic. Biopolymers, 105(9), 618-625. https://doi.org/10.1002/bip.22823

Under investigation are the structural properties of gum arabic, an industrially important biopolymer for use as a stabilizer or in drug delivery, using Analytical Ultracentrifugation—a well-established, matrix-free probe for macromolecular size and... Read More about A novel analytical ultracentrifugation based approach to the low resolution structure of gum arabic.

Purification of bacterial membrane sensor kinases and biophysical methods for determination of their ligand and inhibitor interactions (2016)
Journal Article
Hussain, R., Harding, S. E., Hughes, C. S., Ma, P., Patching, S. G., Edara, S., …Phillips-Jones, M. K. (2016). Purification of bacterial membrane sensor kinases and biophysical methods for determination of their ligand and inhibitor interactions. Biochemical Society Transactions, 44(3), 810-823. https://doi.org/10.1042/BST20160023

This article reviews current methods for the reliable heterologous overexpression in Escherichia coli and purification of milligram quantities of bacterial membrane sensor kinase (MSK) proteins belonging to the two-component signal transduction famil... Read More about Purification of bacterial membrane sensor kinases and biophysical methods for determination of their ligand and inhibitor interactions.

The chelation of colonic luminal iron by a unique sodium alginate for the improvement of gastrointestinal health (2016)
Journal Article
Horniblow, R. D., Latunde-Dada, G. O., Harding, S. E., Schneider, M., Almutairi, F. M., Sahni, M., …Tselepis, C. (2016). The chelation of colonic luminal iron by a unique sodium alginate for the improvement of gastrointestinal health. Molecular Nutrition and Food Research, 60(9), 2098-2108. https://doi.org/10.1002/mnfr.201500882

Scope Iron is an essential nutrient. However, in animal models, excess unabsorbed dietary iron residing within the colonic lumen has been shown to exacerbate inflammatory bowel disease and intestinal cancer. Therefore, the aims of this study were... Read More about The chelation of colonic luminal iron by a unique sodium alginate for the improvement of gastrointestinal health.

The effect of thermal processing in oil on the macromolecular integrity and acrylamide formation from starch of three potato cultivars organically fertilized (2016)
Journal Article
Varzakas, T., Alghamdi, A., Alghamdi, H., Linforth, R. S., Dinu, V., Besong, T. D., …Israilides, C. (2016). The effect of thermal processing in oil on the macromolecular integrity and acrylamide formation from starch of three potato cultivars organically fertilized. Cogent Food and Agriculture, 2(1), https://doi.org/10.1080/23311932.2016.1180950

Starches from three organically produced cultivars of potato tuber (Lady Rosetta, Spunta and Voyager) have been studied in relation to (i) acrylamide production (ii) macromolecular integrity after frying with extra virgin olive oil, soybean oil and c... Read More about The effect of thermal processing in oil on the macromolecular integrity and acrylamide formation from starch of three potato cultivars organically fertilized.

Molecular weight analysis of starches: which technique? (2016)
Journal Article
Harding, S. E., Adams, G. G., & Gillis, R. B. (2016). Molecular weight analysis of starches: which technique?. Starch/Stärke, 68(9-10), https://doi.org/10.1002/star.201600042

A number of methods are available to researchers for estimating molecular weights (molar masses) and molecular weight distributions of starches ? or those in solution, using an appropriate solvent/solubilisation protocol. We outline the methods avail... Read More about Molecular weight analysis of starches: which technique?.

Aspects of the analytical ultracentrifuge determination of the molar mass distribution of polysaccharides (2016)
Book Chapter
Harding, S. E., Adams, G. G., Gillis, R. B., Almutairi, F. M., & Morris, G. A. (2016). Aspects of the analytical ultracentrifuge determination of the molar mass distribution of polysaccharides. In S. Uchiyama, F. Arisaka, W. F. Stafford, & T. M. Laue (Eds.), Analytical ultracentrifugation: instrumentation, software and applications (375-386). Springer. https://doi.org/10.1007/978-4-431-55985-6_18

Molar mass or ‘molecular weight’ is one of the most fundamental parameters describing a macromolecule. Because of their polydisperse nature, polysaccharides are usually described by distributions of molar mass. SEC-MALS (size exclusion chromatography... Read More about Aspects of the analytical ultracentrifuge determination of the molar mass distribution of polysaccharides.

A glycoconjugate of Haemophilus influenzae Type b capsular polysaccharide with tetanus toxoid protein: hydrodynamic properties mainly influenced by the carbohydrate (2016)
Journal Article
Abdelhameed, A. S., Adams, G. G., Morris, G. A., Almutairi, F. M., Duvivier, P., Conrath, K., & Harding, S. E. (2016). A glycoconjugate of Haemophilus influenzae Type b capsular polysaccharide with tetanus toxoid protein: hydrodynamic properties mainly influenced by the carbohydrate. Scientific Reports, 6(1), Article 22208. https://doi.org/10.1038/srep22208

Three important physical properties which may affect the performance of glycoconjugate vaccines against serious disease are molar mass (molecular weight), heterogeneity (polydispersity), and conformational flexibility in solution. The dilute solution... Read More about A glycoconjugate of Haemophilus influenzae Type b capsular polysaccharide with tetanus toxoid protein: hydrodynamic properties mainly influenced by the carbohydrate.

Coiled coil type neoglycoproteins presenting three lactose residues (2016)
Journal Article
Sweeney, S. M., Bullen, G. A., Gillis, R. B., Adams, G. G., Rowe, A. J., Harding, S. E., …Murphy, P. V. (2016). Coiled coil type neoglycoproteins presenting three lactose residues. Tetrahedron Letters, 57(13), https://doi.org/10.1016/j.tetlet.2016.02.005

Scaffold design, synthesis and application are relevant for biomedical research. For example, multivalent interactions, such as those between cell surface glycoproteins and lectins can influence the potency and duration of signalling. The spacing bet... Read More about Coiled coil type neoglycoproteins presenting three lactose residues.