FACULTY OF ENGINEERING UNIVERSITY OF ALBERTA  
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Journal Articles

Barona, D., Shamsaddini, A., Aisenstat, M., Thalberg, K., Lechuga-Ballesteros, D., Dmadzadeh, B., Vehring, R.: Modulated Uniaxial Compression Analysis of Respirable Pharmaceutical Powders. KONA Powder and Particle Journal, doi.org/10.14356/kona.2021014, 2021. 

Liang, L., Carrigy, N.B., Kariuki, S., Muturi, P., Onsare, R., Nagel, T., Vehring, R., Connerton, P.L., Connerton, I.E.: Development of a Lyophilization Process for Campylobacter Bacteriophage Storage and Transport. Microorganisms 8, 282, doi: 10.3390/microorganisms8020282, 2020.

Carrigy, N. B., Liang, L., Wang, H., Kariuki, S., Nagel, T. E., Connerton, I. F., Vehring, R. Trileucine and Pullulan Improve Anti-Campylobacter Bacteriophage Stability in Engineered Spray-Dried Microparticles. Annals of Biomedical Engineering. 2019. Accepted author version.

Carrigy, N. B., Larsen, S. E., Reese, V., Pecor, T., Harrison, M., Kuehl, P. J., Hatfull, G. F., Sauvageau, D., Baldwin, S. L., Finlay, W. H., Coler, R. N., Vehring, R.: Prophylaxis of Mycobacterium tuberculosis H37Rv Infection in a Preclinical Mouse Model via Inhalation of Nebulized Bacteriophage D29. Antimicrobial Agents and Chemotherapy. Accepted. 2019. Author version.

Carrigy, N. B., Liang, L., Wang, H., Kariuki, S., Nagel, T. E., Connerton, I. F., Vehring, R.: Spray-dried anti-Campylobacter bacteriophage CP30A powder suitable for global distribution without cold chain infrastructure. International Journal of Pharmaceutics 569(5): 118601, 2019. Accepted manuscript.

Ordoubadi, M., Gregson, F.K.A., Melhem, O., Barona, D., Miles, R.E.H., D'Sa, D., Gracin, S., Lechuga-Ballesteros, D., Reid, J.P., Finlay, W.H., Vehring, R.: Multi-Solvent Microdroplet Evaporation: Modeling and Measurement of Spray-Drying Kinetics with Inhalable Pharmaceutics. Pharmaceutical Research, 36, 100 (2019), doi: https://10.1007/s11095-019-2630-7. Accepted author version.

Carrigy, N., Vehring, R.: Engineering Stable Spray Dried Biologic Powder for Inhalation, in Pharmaceutical Inhalation Aerosol Technology, eds. Hickey, A. J., da Rocha, S., Taylor & Francis, 2019, pp. 291 – 326.

Carrigy, N. B., Ordoubadi, M., Liu, Y., Melhem, O., Barona, D., Wang, H., Milburn L., Ruzycki, C. A., Finlay, W. H., Vehring, R.: Amorphous Pullulan Trehalose Microparticle Platform for Respiratory Delivery. International Journal of Pharmaceutics, 563: 156-168, 2019. Accepted manuscript.

Ly, A., Carrigy, N.B., Wang, H., Harrison, M., Sauvageau, D., Martin, A.R., Vehring, R., Finlay, W.H.: Atmospheric Spray Freeze Drying of Sugar Solution with Phage D29. Frontiers in Microbiology, 10, 1-11, 2019.

Wang, H., Nobes, D. S., Vehring, R.: Particle Surface Roughness Improves Colloidal Stability of Pressurized Pharmaceutical Suspensions. Pharmaceutical Research, 36, doi.org/10.1007/s11095-019-2572-0, 2019.

Leung, S. S. Y., Carrigy, N. B., Vehring, R., Finlay, W. H., Morales, S., Carter, E. A., Britton, W. J., Kutter, E., Chan, H.-K.: Jet Nebulization of Bacteriophages with Different Tail Morphologies – Structural Effects. International Journal of Pharmaceutics, 554, 322-326, 2019.

Wang, H., Tan, P., Barona, D., Li, G., Hoe, S., Lechuga-Ballesteros, D., Nobes, D. S., Vehring, R.: Characterization of the Suspension Stability of Pharmaceuticals using a Shadowgraphic Imaging Method. International Journal of Pharmaceutics, 548 (1), 128-138, 2018.

  Ivey, J.W.,Bhambri, P., Church, T.K., Lewis, D.A., Vehring, R.: Experimental Investigations of Particle Formation from Propellant and Solvent Droplets Using a Monodisperse Spray Dryer. Aerosol Science and Technology, 52 (6), 702-716, 2018.

Leung, S.S.Y., Parumasivam, T., Nguyen, Gengenbach, T., Carter, E.A., Carrigy, N.B., Wang, H., Vehring, R., Finlay, W.H., Morales, S., Britton, J., Kutter, E., Chan, H.-K.: Effect of Storage Temperature on the Stability of Spray Dried Bacteriophage Powders. European Journal of Pharmaceutics and Biopharmaceutics, 127, 213-222, 2018.       

Ruzycki, C., Martin, A., Vehring, R., Finlay, W.: An In Vitro Examination of the Effects of Altitude on Dry Powder Inhaler Performance. Journal of Aerosol Medicine and Pulmonary Drug Delivery 31 (4): 221-236, 2018.

Haddrell, A. E., Lewis, D., Church, T., Vehring, R., Murnane, D., Reid, J. P.: Pulmonary Aerosol Delivery and the Importance of Growth Dynamics. Therapeutic Delivery, 8 (12), 1051-1061, 2017.

Wang, H., Bhambri, P., Ivey, J., Vehring, R.: Design and Pharmaceutical Applications of a Low Flow Rate Single-Nozzle Impactor. International Journal of Pharmaceutics, 533, 14-25, 2017.

Carrigy, N.B.,  Chang, R.Y., Leung, S.S.Y., Harrison, M., Petrova, Z., Pope, W.H., Hatfull, G.F., Britton, W.J., Chan, H.-K., Sauvageau, D., Finlay, W.H., Vehring, R.: Anti-Tuberculosis Bacteriophage D29 delivery with a Vibrating Mesh Nebulizer, Jet Nebulizer, and Soft Mist Inhaler. Pharmaceutical Research,  34 (10): 2084-2096, 2017. Author version

Wang, H., Barona, D., Oladepo, S., Williams, L., Hoe, S., Lechuga-Ballesteros, D., Vehring, R.: Macro-Raman spectroscopy for bulk composition and homogeneity analysis of multi-component pharmaceutical powders.  Journal of Pharmaceutical and Biomedical Analysis, 141 (2017): 180-191. 

Ivey, J.W., Bhambri, P., Church, T.K., Lewis, D.A., Elbayomy, S., McDermott, M.T., Finlay, W.H., Vehring, R.: Humidity affects the morphology of particles emitted from beclomethasone dipropionate pressurized metered dose inhalers. International Journal of Pharmaceutics, 520 (1-2): 207-215, 2017. Author version.

Ferraz-Albani, L., Baldelli, A., Knapp, C. J., Jäger, W., Vehring, R., Nobes, D. S., Olfert, J. S., Kostiuk, L. W.: Enhanced Evaporation of Micro-Scale Droplets with an Infrared Laser. Journal of Heat Transfer, 139 (1), 011503-1 – 011503-8, 2017.

Baldelli, A. Vehring, R.: Control of the Radial Distribution of Chemical Components in Spray Dried Crystalline Microparticles. Aerosol Science and Technology, 50 (10), 1130-1142, 2016.

Baldelli, A., Vehring, R.: Analysis of Cohesion Forces between Monodisperse Microparticles with Rough Surfaces. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 506, 179-189, 2016.

Baldelli, A., Power, R., Miles, R., Reid, J. P., Vehring, R.: Effect of Crystallization Kinetics on the Properties of Spray Dried Microparticles. Aerosol Science and Technology, 50 (7), 693-704, 2016.

Leung, S. Y., Parumasivam, T., Gao, F. G., Carrigy, N. B., Vehring, R., Finlay, W. H., Morales, S., Britton, W. J., Kutter, E., Chan, H.-K.: Production of Inhalation Phage Powders Using Spray Freeze Drying and Spray Drying Techniques for Treatment of Respiratory Infections, Pharmaceutical Research, 33 (6), 1486-1496, 2016.

Azhdarzadeh, M., Shemirani, F. M., Ruzycki, C. A., Baldelli, A., Ivey, J., Barona, D., Church, T., Lewis, D., Olfert, J. S., Finlay, W. H., Vehring, R.: An Atomizer to Generate Monodisperse Droplets from High Vapor Pressure Liquids. Atomization & Sprays, 26 (2), 121-134, 2016.

Ivey, J.W., Vehring, R., Finlay, W.H.: Understanding Pressurized Metered Dose Inhaler Performance. Expert Opinion on Drug Delivery, 12 (6): 901-916. 2015.

Morin, C.M.D., Ivey, J.W., Titosky, J.T., Suderman, J.D., Olfert, J.S., Vehring, R., Finlay, W.H.: Performance of Pressurized Metered-Dose Inhalers at Extreme Temperature Conditions.  Journal of Pharmaceutical Sciences, 103 (11), 3553-3559, 2014.

Azhdarzadeh, M., Olfert, J., Vehring, R., Finlay, W. H.: Effect of Electrostatic Charge on Deposition of Uniformly Charged Monodisperse Particles in the Nasal-extrathoracic Airways of an Infant. Journal of Aerosol Medicine and Pulmonary Drug Delivery, 28 (1): 30-34. 2014.

Ruzycki, C. A., Golshahi, L., Vehring, R., Finlay, W. H.: Comparison of In Vitro Deposition of Pharmaceutical Aerosols in an Idealized Child Throat with In Vivo Deposition in the Upper Respiratory Tract of Children. Pharmaceutical Research, 31 (6), 1525-1535, 2014.

Hoe, S., Boraey, M. A., Ivey, J. W., Finlay, W. H., Vehring, R.: Manufacturing and Device Options for the Delivery of Biotherapeutics. Journal of Aerosol Medicine and Pulmonary Drug Delivery, Journal of Aerosol Medicine and Pulmonary Drug Delivery, 27 (5), 315-328, 2014.

Titosky, J. T. F., Morin, C. M. D., Suderman, J. D., Olfert, J. S., Finlay, W. H., Vehring, R.: The Effect of Altitude on Inhaler Performance. Journal of Pharmaceutical Sciences, 103, 2116-2124, 2014.

Wang, H., Boraey, M. A., Williams, L., Lechuga-Ballesteros, D., Vehring, R.: Low-frequency Shift Dispersive Raman Spectroscopy for the Analysis of Respirable Dosage Forms. International Journal of Pharmaceutics, 469, 197-205, 2014.

Borojeni, A.A.T, Noga, M. L., Vehring, R., Finlay, W. H.: Measurements of Total Aerosol Deposition in Intrathoracic Conducting Airway Replicas of Children. Journal of Aerosol Science, 73, 39 – 47, 2014.

Azhdarzadeh, M., Olfert, J., Vehring, R., Finlay, W. H.: Effect of Induced Charge on Deposition of Uniformly Charged Particles in a Pediatric Oral-extrathoracic Airway. Aerosol Science and Technology, 48, 508 – 514, 2014.

Ivey, J. W., Lewis, D., Church, T., Finlay, W. H., Vehring, R.: A Correlation Equation for the Mass Median Aerodynamic Diameter of the Aerosol Emitted by Solution Metered Dose Inhalers. International Journal of Pharmaceutics, 465, 18-24, 2014. Author version.

Hoe, S., Ivey, J. W., Boraey, M. A., Shamsaddini-Shahrbabak, A., Javaheri, E., Matinkhoo, S., Finlay, W. H., Vehring, R.: Use of a Fundamental Approach to Spray-Drying Formulation Design to Facilitate the Development of Multi-Component Dry Powder Aerosols for Respiratory Drug Delivery. Pharmaceutical Research, 31, 449-465, 2014.

Azhdarzadeh, M., Olfert, J., Vehring, R., Finlay, W. H.: Effect of Electrostatic Charge on Oral-Extrathoracic Deposition for Uniformly Charged Monodisperse Aerosols. Journal of Aerosol Science, 68, 38-45, 2014.

Boraey, M.A., Vehring, R.: Diffusion Controlled Formation of Microparticles.  Journal of Aerosol Science, 67, 131-143, 2014.

Hoe, S., Semler, D. D., Goudie, A. D., Lynch, K. H., Matinkhoo, S., Finlay, W. H., Dennis, J. J., Vehring, R.: Respirable Bacteriophages for the Treatment of Bacterial Lung Infections. Journal of Aerosol Medicine and Pulmonary Drug Delivery, 26, 317-335, 2013.

Javaheri, E., Shemirani, F. M., Pichelin, M., Katz, I. M, Caillibotte, G., Vehring, R., Finlay, W. H.: Deposition Modeling of Hygroscopic Saline Aerosols in the Human Respiratory Tract: Comparison between Air and Helium-Oxygen as Carrier Gases. Journal of Aerosol Science, 64, 81-93, 2013.

Shemirani, F. M., Hoe, S., Lewis, D., Church, T., Vehring, R., Finlay, W. H.: In-vitro investigation of the effect of ambient humidity on regional delivered dose with solution and suspension MDI. Journal of Aerosol Medicine and Pulmonary Drug Delivery, 26, 215-222, 2013.

Golshahi, L., Noga, M., Vehring, R., Finlay, W. H.: An In vitro Study on the Deposition of Micrometer-sized Particles in the Extrathoracic Airways of Adults during Tidal Oral Breathing. Annals of Biomedical Engineering, 41, 979-989, 2013.

Boraey, M. A., Hoe, S., Sharif, H., Miller, D. P., Lechuga-Ballesteros, D., Vehring, R.: Improvement of the Dispersibility of Spray-dried Budesonide Powders using Leucine in an Ethanol-water Cosolvent System. Powder Technology, 236, 171-178, 2013.

Golshahi, L., Vehring, R., Noga, M., Finlay, W. H.: In Vitro Deposition of Micrometer-sized Particles in the Extrathoracic Airways of Children during Tidal Breathing. Journal of Aerosol Science, 57, 14-21, 2013.

Vehring, R., Lechuga-Ballasteros, D., Joshi, V., Noga, B., Dwivedi, S.K.: Cosuspensions of Microcrystals and Engineered Microparticles for Uniform and Efficient Delivery of Respiratory Therapeutics from Pressurized Metered Dose Inhalers. Langmuir 28 (42), 15015-15023, 2012.

Shemirani, F.M., Hoe, S., Lewis, D., Church, T., Vehring, R., Finlay, W.H. In Vitro Investigation of the Effect of Ambient Humidity on Regional Delivered Dose with Solution and Suspension MDIs. J Aerosol Med. Pulm. Drug Deliv. 26, 1-8, 2012.

Lechuga-Ballasteros, D., Noga, B., Vehring, R., Cummings, R.H., Dwivedi, S.K.: Novel Cosuspension Metered-Dose Inhalers for the Combination Therapy of Chronnic Obstructive Pulmonary Disease and Asthma. Future Medicinal Chemistry 3, 1703-1718, 2011.

Matinkhoo, S., Lynch, K.H., Dennis, J.J., Finlay, W.H., Vehring, R.: Spray Dried Respirable Powders Containing Bacteriophages for the Treatment of Pulmonary Infections. J. Pharm Sci., 100, 5197-5205, 2011.

Feng, A.L., Boraey, M.A., Gwin, M.A., Finlay, P.R., Kuehl, P.J., Vehring, R.:Mechanistic models facilitate efficient development of leucine containing microparticles for pulmonary drug delivery. Int. J. Pharmaceutics: 409, 156-163, 2011.

Ivey, J., Vehring, R.:The use of modeling in spray drying of emulsions and suspensions accelerates formulation and process development. Computers & Chemical Engineering: 34, 1036, 2010.

Vehring, R. Expert Review: Pharmaceutical Particle Engineering via Spray Drying. Pharm. Res. 25: 999, 2008. Abstract

Lechuga-Ballesteros, D., Charan, C., Stults, C. M., Stevenson, C. L., Miller, D. P., Vehring, R., Tep, V., Kuo, M.-C.: Trileucine Improves Dispersibility, Aerosol Performance and Stability of Spray-Dried Powders for Inhalation. J. Pharm Sci 97: 287, 2008. 

Vehring, R., Foss, W. R., Lechuga-Ballesteros, D.: Particle Formation in Spray Drying . J. Aerosol Science 38:728, 2007.  (#1 Article for J. Aerosol Science, Jul. to Sept. 2007)

Vehring, R.: Red-Excitation Dispersive Raman Spectroscopy is a Suitable Technique for Solid State Analysis of Respirable Pharmaceutical Powders. Appl. Spectrosc., 59: 286, 2005.

Chan, H.-K., Clark, A. R., Feeley, J. C., Kuo, M.-C., Lehrman, S. R., Pikal-Cleland, K., Miller, D. P., Vehring, R., Lechuga-Ballesteros, D.: Physical Stability of Salmon Calcitonin Spray-Dried Powders for Inhalation. J. Pharm Sci., 93: 792, 2004. Abstract

Vehring, R., Aardahl, C. L., Schweiger, G., and Davis, E. J.: The Characterization of Fine Particles Originating from an Uncharged Aerosol: Size Dependence and Detection Limits for Raman Analysis. J. Aerosol Sci., 29: 1045, 1998. Abstract

Vehring, R: Linear Raman Spectroscopy on Aqueous Aerosols: Influence of Nonlinear Effects on Detection Limits. J. Aerosol Sci., 29: 65, 1998. Abstract

Vehring, R., Schweiger, G.: Dispersive Raman Spectroscopy on Soot Particles. J. Aerosol Sci., 29: S1251, 1998.

Xu, B., Vehring, R., Schweiger, G.: Identification of the Crystalline Phase of Single Levitated Microparticles. J. Aerosol Sci., 29: S865, 1998. 

Vehring, R., Aardahl, C.L., Davis, E.J., Schweiger, G., Covert D.S.: Electrodynamic Trapping and Manipulation of Particle Clouds. Rev.Sci.Instrum., 68: 1, 1997. Abstract

Aardahl, C. L., Vehring, R., Davis, E. J., Schweiger, G., Swanson, B. D.: Trapping Two-Particle Arrays in a Double-Ring Electrodynamic Balance. J. Aerosol Sci., 28: 1491, 1997. Abstract

Aardahl, C. L., Vehring, R., Weber, R., Schweiger, G., Davis, E. J., and Wiedensohler, A.: Electrodynamic Trapping of Aerocolloidal Particles: Experimental and Theoretical Trapping Limits. J. Colloid Interface Sci., 192: 228, 1997. Abstract

Vehring, R., Xu, B., Schweiger, G.: Improved Detection Limits of Linear Raman Spectroscopy on Aerosols. J. Aerosol Sci., 27: S293, 1996.

Borchers, M. A., Esen, C., Vehring, R., Schweiger, G.: Analysis of Coated Microparticles by Raman Confocal Microprobing. J. Aerosol Sci., 27: S543, 1996.

Vehring, R., Schweiger, G.: Raman Thermometry of Aqueous Multicomponent Aerosol Particles. J. Aerosol Sci., 27: S323, 1996.

Moritz, H., Vehring, R., Schweiger, G.: Investigation of the Desorption of Acetylene from Acetone Microdroplets by Raman Spectroscopy. J. Aerosol Sci., 27:S517,1996.

Vehring, R., Moritz, H., Niekamp, D., Heinrich, P., and Schweiger, G.: Linear Raman Spectroscopy on Droplet Chains: A New Experimental Method for the Analysis of Fast Transport Processes and Reactions on Microparticles. Appl. Spectrosc., 49: 1215, 1995. Paper.

Vehring, R., Schweiger, G.: Threshold of Stimulated Raman Scattering in Microdroplets. J. Aerosol Sci., 26: S235, 1995. 

Vehring, R., Schweiger, G.: Optical Determination of the Temperature of Transparent Microparticles. Appl. Spectrosc., 46: 25, 1992. Abstract

Vehring, R., Schweiger, G.: Raman Scattering on Liquid Aerosol Particles: Concentration Measurements on Droplet Chains. J. Aerosol Sci., 22: S399, 1991. Abstract


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