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Pharmacy staff profile

Dr Greg Walker

PositionSenior Lecturer
QualificationsMSc PhD(Otago)
Research summaryDrug delivery and formulation

Research

Bio-conjugation chemistry techniques to engineer nano-devices for application in drug delivery and medical devices. We design and build smart macromolecules which change according to the physiological environment.

Dr Walker on PubMed

Publications

Kramer, K., Shields, N. J., Poppe, V., Young, S. L., & Walker, G. F. (2017). Intracellular cleavable CpG oligodeoxynucleotide-antigen conjugate enhances anti-tumor immunity. Molecular Therapy, 25(1), 62-70. doi: 10.1016/j.ymthe.2016.10.001

Poller, B., Strachan, C., Broadbent, R., & Walker, G. F. (2017). A minitablet formulation made from electrospun nanofibers. European Journal of Pharmaceutics & Biopharmaceutics, 114, 213-220. doi: 10.1016/j.ejpb.2017.01.022

Yarragudi, S. B., Richter, R., Lee, H., Walker, G. F., Clarkson, A. N., Kumar, H., & Rizwan, S. B. (2017). Formulation of olfactory-targeted microparticles with tamarind seed polysaccharide to improve nose-to-brain transport of drugs. Carbohydrate Polymers, 163, 216-226. doi: 10.1016/j.carbpol.2017.01.044

Smith, G. P. S., McLaughlin, A., Clarkson, A. N., Gordon, K. C., & Walker, G. F. (2017). Raman microscopic imaging of electrospun fibers made from a polycaprolactone and polyethylene oxide blend. Vibrational Spectroscopy, 92, 27-34. doi: 10.1016/j.vibspec.2017.05.002

Kramer, K., Young, S. L., & Walker, G. F. (2017). Comparative study of 5′- and 3′-linked CpG–antigen conjugates for the induction of cellular immune responses. ACS Omega, 2(1), 227-235. doi: 10.1021/acsomega.6b00368

Journal - Research Article

Kramer, K., Shields, N. J., Poppe, V., Young, S. L., & Walker, G. F. (2017). Intracellular cleavable CpG oligodeoxynucleotide-antigen conjugate enhances anti-tumor immunity. Molecular Therapy, 25(1), 62-70. doi: 10.1016/j.ymthe.2016.10.001

Kramer, K., Young, S. L., & Walker, G. F. (2017). Comparative study of 5′- and 3′-linked CpG–antigen conjugates for the induction of cellular immune responses. ACS Omega, 2(1), 227-235. doi: 10.1021/acsomega.6b00368

Smith, G. P. S., McLaughlin, A., Clarkson, A. N., Gordon, K. C., & Walker, G. F. (2017). Raman microscopic imaging of electrospun fibers made from a polycaprolactone and polyethylene oxide blend. Vibrational Spectroscopy, 92, 27-34. doi: 10.1016/j.vibspec.2017.05.002

Yarragudi, S. B., Richter, R., Lee, H., Walker, G. F., Clarkson, A. N., Kumar, H., & Rizwan, S. B. (2017). Formulation of olfactory-targeted microparticles with tamarind seed polysaccharide to improve nose-to-brain transport of drugs. Carbohydrate Polymers, 163, 216-226. doi: 10.1016/j.carbpol.2017.01.044

Poller, B., Strachan, C., Broadbent, R., & Walker, G. F. (2017). A minitablet formulation made from electrospun nanofibers. European Journal of Pharmaceutics & Biopharmaceutics, 114, 213-220. doi: 10.1016/j.ejpb.2017.01.022

Fella, C., Walker, G. F., Ogris, M., & Wagner, E. (2008). Amine-reactive pyridylhydrazone-based PEG reagents for pH-reversible PEI polyplex shielding. European Journal of Pharmaceutical Sciences, 34(4-5), 309-320. doi: 10.1016/j.ejps.2008.05.004

DeRouchey, J., Schmidt, C., Walker, G. F., Koch, C., Plank, C., Wagner, E., & Rädler, J. O. (2008). Monomolecular assembly of siRNA and Poly(ethylene glycol)—peptide copolymers. Biomacromolecules, 9(2), 724-732. doi: 10.1021/bm7011482

Knorr, V., Allmendinger, L., Walker, G. F., Paintner, F. F., & Wagner, E. (2007). An acetal-based PEGylation reagent for pH-sensitive shielding of DNA polyplexes. Bioconjugate Chemistry, 18, 1218-1225. doi: 10.1021/bc060327a

Ledger, R., Tucker, I. G., & Walker, G. F. (2002). The metabolic barrier of the lower intestinal tract of salmon to the oral delivery of protein and peptide drugs. Journal of Controlled Release, 85, 91-103.

Ledger, R., Tucker, I. G., & Walker, G. F. (2002). Quantitative capillary electrophoresis assay for the proteolytic stability of luteinizing hormone-releasing hormones. Journal of Chromatography B, 769, 235-242.

Walker, G. F., Ledger, R., & Tucker, I. G. (2001). Activity of pancreatic endopeptidases towards luteinizing hormone-releasing hormones. International Journal of Pharmaceutics, 216, 77-82.

Walker, G., Ledger, R., & Tucker, I. G. (1999). Garbomer inhibits tryptic proteolysis of luteinizing hormone-releasing hormone and N-alpha-benzoyl-L-arginine ethyl ester by binding the enzyme. Pharmaceutical Research, 16(7), 1074-1080.

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