Upcoming Contributions
There are no upcoming contributions at this time.
Past Contributions
Aisenstat, M., McCollum, J., Gomez, M., Wang, H., Bachchhav, S., Tetreau, I., Gerhardt, A., Press, C., Kramer, R., Fox, C., Vehring, R.: Long-term Room Temperature Stability of a Spray Dried Inhalable Tuberculosis Vaccine. Respiratory Drug Delivery, Orlando, FLA, May 2022. Abstract. Poster.
Murphy, B., Aisenstat, M., Ordoubadi, M., Tavernini, S., Duong, K., Zheng, J., Whittal, R., Sauvageau, D., Fox, C., Finlay, W., Vehring, R., Martin, A.: Intranasal Powder Administration of a Spray Dried Tuberculosis Vaccine Candidate Characterized using the Alberta Idealized Nasal Inlet. Respiratory Drug Delivery, Orlando, FLA, May 2022. Abstract. Poster.
Wang, H., Connaughton, P., Lachacz, K., Carrigy, N., Lechuga-Ballesteros, D., Vehring, R.: Spray Dried Porous Lipid Particles for Pulmonary Drug Delivery. Respiratory Drug Delivery, Orlando, FLA, May 2022. Abstract. Poster.
Martin, A., Murphy, B., Chen, J., Rolo, M., Eldam, M., Jordan, L., Sivananthan, S., Fox, C., Vehring, R.: Intranasal Delivery of a Synthetic Entamoeba histolytica Vaccine Containing Adjuvant. Vaccines Summit Boston (virtual), March 2022. Abstract.
Vehring, R.: Vaccine Dosage Form Development via Spray Drying for Global Distribution. Vaccines Summit Boston (virtual), March 2022.
Vehring, R., Aisenstat, M., Gomez, M., Ordoubadi, M., Murphy, B., Tavernini, S.: Adjuvanted Subunit Vaccine Stabilization in a Nasal Dry Powder Platform. Vaccines Summit Boston (virtual), March 2022.
Vehring, R.: Spray Dried Respiratory Vaccines for Global Distribution. Engineering and Physical Sciences Research Council, Centre for Doctoral Training in Aerosol Science Annual Meeting, Bristol, UK, September 2021.
Vehring, R.: Respiratory Delivery of Bacteriophages. Workshop: Science and Regulation of Bacteriophage Therapy, Center for Biologics Evaluation and Research (FDA) and National Institute of Allergy and Infectious Disease (NIH), Bethesda, MD, September 2021.
Vehring, R.: Encapsulation of Respiratory Dosage Forms by Spray Drying. American Association of Pharmaceutical Scientists, Pharmaceutical Biosciences Society and Bay Area Discussion Group Joint Lung Therapeutics Symposium, San Francisco, CA, July 2021.
Vehring, R., Kostelecky, M.: You Shall Not Make for Yourself Humanoid AI, Society of Catholic Scientists, Washington D.C., 2021. Poster
Ordoubadi, M., Wang, H., Nicholas, M., Gracin, S., Lechuga-Ballesteros, D., Finlay, W. H., Vehring, R.: Understanding the Dispersibility Enhancement of L-leucine in the Spray Drying of Inhalable Microparticles. Respiratory Drug Delivery Europe 2021. Abstract and Presentation
Ordoubadi, M., Wang, H., Nicholas, M., Carrigy, N. B., Gracin, S., Lechuga-Ballesteros, D., Finlay, W. H., Vehring, R.: How Does Trileucine Act as a Dispersibility Enhancer in the Spray Drying of Microparticles? Respiratory Drug Delivery Europe 2021. Abstract and Presentation
Vehring, R., Gomez, M.: Dosage Form Development for Global Vaccines, International Society for Aerosols in Medicine, 23rd ISAM Congress, Boise, ID, 2021. (invited presentation)
Seo, S., Ruzycki, C. A., Johnson, B., Wang, H., Vehring, R., Romanyk, D., Finlay, W. H., Martin, A. R.: Respirator Filtration Efficiency Before and After Decontamination by Moist Heat Incubation: Particle Size Dependence. International Society for Aerosols in Medicine, 23rd ISAM Congress, Boise, ID, 2021. Abstract and Poster
Gomez, M., McCollum J., Wang, H., Ordoubadi, M., Carrigy, N. B., Barona, D., Bachchhav, S., Jar, C., Tetreau, I., Archer, M., Gerhardt, A., Press, C., Kramer, R. M., Fox, C. B., Vehring, R.: Development of a Spray-Dried Inhalable Dry Powder Presentation of a Tuberculosis Vaccine Candidate with Demonstrated Long Term Physical Stability at High Temperatures for Use in Developing Countries. International Society for Aerosols in Medicine, 23rd ISAM Congress, Boise, ID, 2021. Abstract and Poster
Carrigy, N. B., Larsen, S. E., Kuehl, P., Harrison, M., Chang, R. Y., Leung, S. S. Y., Petrova, Z., Pope, W. H., Britton, W. J., Chan, H. K., Hatfull, G., Sauvageau, D., Finlay, W. H., Coler, R. N., Vehring, R.: Mechanism of Aerosol Droplet Generation Affects Biological Activity of Mycobacterium Virus D29. International Society for Aerosols in Medicine, 23rd ISAM Congress, Boise, ID, 2021.
Wang, Z. Wang, H., Vehring, R.: Addition of Leucine to Trehalose-Containing Microparticles Enhances Environmental Robustness against Moisture for Nasal Vaccination Applications. International Society for Aerosols in Medicine, 23rd ISAM Congress, Boise, ID, 2021. Abstract and Poster
Wang, H., Gomez, M., Carrigy, N., Ordoubadi, M., Vehring, R.: Expedited Biologic Formulation and Spray Drying Process Development via Mechanistic Modeling. Respiratory Drug Delivery 2020, Vol 3, pp 527-531, 2020. Abstract and Poster
Vehring, R.: Tuberculosis Therapy and Prophylaxis: Conquering the Delivery Problems with Inhaled Vaccines and Phages. Respiratory Drug Delivery 2020, Vol 1, pp 17-23, 2020.
Nagel, T., Kariuki, S., Muturi, P., Nyambura, A., Nganga, G., Kariuki Ngumo, J., Connerton, I., Liang, L., Connerton, P., Vehring, R., Carrigy, N.: Development of a Campylobacter Phage Product to Decontaminate Poultry Meat in Kenya. Phage Futures Congress, Washington, DC, 2020.
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. AAAR 37th Annual Conference, Portland, OR, 2019. Abstract and Presentation
Vehring, R.: Respiratory Drug Delivery for the XXI Century. AstraZeneca IPD Conference, South San Francisco – Durham – Bad Homburg – Gothenburg, September 2019.
Gomez, M., Ordoubadi, M., Wang, H., Carrigy, N. B., Barona, D., Jar, C., Vehring, R., Archer, M., Press, C., McCollum, J., Kramer, R., Fox, C. Spray drying adjuvanted tuberculosis vaccine encapsulates nano-emulsions within a dry powder inhalable product. 5th International TB-meeting, Groningen, Netherlands, 2019. Abstract and Presentation
Vehring, R.: Design of Structured Microparticles Using Spray Drying. Gordon Research Conference – Preclinical Form and Formulation for Drug Discovery, Waterville Valley, NH, 2019.
Vehring, R.: Physicalism or Imago Dei? An Exegesis of the Free Will Doctrine of Sirach 15: 11-20. 3rd Annual Conference of the Society of Catholic Scientists, Notre Dame, Jun 7-9, 2019. Poster
Carrigy, N. B., Larsen, S. E., Harrison, M., Kuehl, P. Hatfull, G., Sauvageau, D., Finlay, W. H., Coler, R. N., Vehring, R.: Exploring inhalation of nebulized bacteriophage D29 to provide prophylactic protection against Mycobacterium tuberculosis aerosol in a preclinical mouse model. International Society for Aerosols in Medicine 22nd Congress, Montreux, Switzerland, May 25-29, 2019. Abstract and Poster
Ly, A., Carrigy, N. B., Wang, H., Harrison, M., Sauvageau, D., Martin, A. R., Vehring, R., Finlay, W. H.: Atmospheric Spray Freeze Drying of Bacteriophage D29 with Sugars. International Society for Aerosols in Medicine 22nd Congress, Montreux, Switzerland, May 25-29, 2019. Poster
Carrigy, N. B., Ly, A., Harrison, M., Sauvageau, D., Martin, A., Finlay, W. H., Vehring, R.: Comparison of spray drying and atmospheric spray freeze drying for the production of active anti-tuberculosis bacteriophage D29 dry powder for inhalation. Respiratory Drug Delivery Europe 2019, Lisbon. Abstract and Poster
Wang, H., Nobes, D. S., Finlay, W. H., Vehring, R.: Agitation method affects colloidal stability of pharmaceutical suspensions. RDD Europe 2019, Lisbon, May 7-10. (Winner of the 2019 Peter R. Byron Award) Abstract and Poster
Wang, H., Nobes, D. S., Finlay, W. H., Vehring, R.: Increasing particle surface roughness as a promising strategy to improve colloidal stability of pharmaceutical suspensions. Respiratory Drug Delivery 2019. Abstract and Poster
Vehring, R.: Mechanistic Understanding of Microparticle Formation in Respiratory Applications. Drug Delivery to the Lungs, Edinburgh, 2018 (DDL Lecture).
Reid, J. P., Haddrell, A. E., Gregson, F., Lewis, D. A., Church, T., Ordoubadi, M., Vehring, R.: Hygroscopic Growth of Drugs and Excipients: An In Vitro Assessment of the Importance of Aerosol Growth in Deposition Calculations. Respiratory Drug Delivery 2018. Vol. 1, pp 113-122, 2018.
Gomez, M., Ordoubadi, M., McAllister, R. A., Melhem, O., Barona, D., Gracin, S., Ajmera, A., Lechuga-Ballesteros, D., Finlay, W. H., Vehring, R.: Monodisperse Droplet Chain Technique to Support Development of Co-solvent Based Inhalation Products. Respiratory Drug Delivery 2018. Abstract and Poster
Ivey, J. W., Vehring, R.: An In-Silico Investigation of Formulation and Droplet Size Effects on the Aerodynamic Particle Size Distributions of Suspension Pressurized Metered Dose Inhalers. Respiratory Drug Delivery 2018. Abstract and Poster
Ivey, J. W., Barona, D., Gomez, M., Kuan, L., McAllister, R., Oberhagemann, L., D’Sa, D., Lechuga-Ballesteros, D., Ajmera, A., Gracin, S., Vehring, R.: Isokinetic In-line Sampling Enables Rapid Characterization of Atomizers and Cyclones for Spray Drying process development. Respiratory Drug Delivery 2018. (Winner of the 2018 Peter R. Byron Award) Abstract and Poster
Ordoubadi, M., Gregson, F., Finlay, W. H., Vehring, R., Reid, J. P.: Interaction of Evaporating Multicomponent Microdroplets with Humid Environments. Respiratory Drug Delivery 2018. Abstract and Poster
Wang, H., Tan, P., Barona, D., Li, G., Hoe, S., Lechuga-Ballesteros, D., Nobes, D., Vehring, R.: A New Shadowgraphic Imaging Method for the Suspension Stability Analysis of Pressurized Metered Dose Inhalers. Respiratory Drug Delivery 2018. Abstract and Poster
Carrigy, N. B., Chang, R., Leung, S. S. Y., Harrison, M., Pope, W. H., Hatfull, G. F., Britton, W. J., Chan, H.-K., Sauvageau, D., Finlay, W. H., Vehring, R.,: Comparison of Three Aqueous Inhalation Devices for Delivering Anti-tuberculosis Bacteriophage D29. Respiratory Drug Delivery Europe 2017, Nice (Antibes), France, Apr 25-28, 2017. Vol. 2, pp 345-348, 2017. Abstract, Poster and Presentation
Leung, S. S. Y., Parumasivam, T., Carter, E. A., Carrigy, N. B., Vehring, R., Finlay, W. H., Morales, S., Britton, W. J., Kutter, E., Chan, H.-K.: Production of Inhalable Bacteriophage Dry Powders. Respiratory Drug Delivery Europe 2017, Vol. 2, pp 369-373, 2017.
Vehring, R.: Understanding Particle Formation Kinetics: Linking Device and Process with Particle Morphology and Product Performance. Respiratory Drug Delivery Europe 2017, Vol. 1, pp 167-174, 2017.
Ruzycki, C. A., Martin, A. R., Vehring, R., Finlay, W. H.: Examining the Effect of Ambient Pressure on Dry Powder Inhaler Performance. Respiratory Drug Delivery 2016, Vol 3, pp 557-562, 2016.
Lechuga-Ballesteros, D., D’Sa, D. J., Hoe, S., Vehring, R.: Advanced Microparticle Characterization Methods to Support Respiratory Product Development. Respiratory Drug Delivery 2016, Vol 1, pp 63-70, 2016.
Ivey, J., Morin, C., Shemirani, F., Suderman, J., Titosky, J., Hoe, S., Finlay, W., Vehring, R.: The Influence of Environmental Factors on Pressurized Metered Dose Inhaler Performance. International Society for Aerosols in Medicine 20th Congress, Munich, Germany, 2015. Journal of Aerosol Medicine and Pulmonary Drug Delivery, 28 (3): A14, 2015. Abstract and Poster
Vehring, R.: Theoretical Tools for Particle Engineers: Spray Drying Complex Formulations for Inhalation. Respiratory Drug Delivery Europe 2015, Vol 1, pp 187-196, 2015.
Wang, H., Williams, L. W., Lechuga Ballesteros, D., Vehring, R.: Bulk Composition Analysis of Microparticle-based Pharmaceutical Dosage Forms by Macro-Raman Spectroscopy. Respiratory Drug Delivery Europe 2015, Vol 2,pp 463-468, 2015. Abstract and Poster
Wang, H., Vehring, R.: Single-nozzle Impactor for Aerosol Collection with Subsequent Spectroscopic and Ultramicroscopic Characterization. Respiratory Drug Delivery Europe 2015, Vol 2, pp 469-474, 2015. Abstract and Poster
Vehring, R.: Design and Analysis of Structured Microparticles, SCIX 2014, Reno, NV, 2014.
Vehring, R.: Webinar: Introduction to the Technology of Respiratory Drug Delivery, American Association of Pharmaceutical Scientists, 2014.
Suderman, J. D., Morin, C. M. D., Titosky, J. T. F., Olfert, J. S., Finlay, W. H., Vehring, R.: Inhaler Performance at Reduced Ambient Pressure. Respiratory Drug Delivery, Fajardo, Puerto Rico, 2014. Poster
Shemirani, F. M., Church, T. K., Lewis, D. A., Finlay W. H., Vehring, R.: Flash Atomization in a Model System Representing Pressurized Metered Dose Inhaler Sprays. Respiratory Drug Delivery, Fajardo, Puerto Rico, 2014. Poster
Finlay, W. H., Ruzycki, C. A., Golshahi, L., Vehring, R.: Validating and Scaling the Alberta Idealized Child Throat. Respiratory Drug Delivery, Fajardo, Puerto Rico, 2014.
Lechuga-Ballesteros, D., Schroeder, J., Alluri, S., Archbell, J., Guangul, B., Howland, J., Postich, M., Vehring, R., Joshi, V., Noga, B., Speck, J., Cummings, H., Schultz, R., Golden, M., Dwivedi, S. K.: Dose Proportionality in a Triple Therapy Cosuspension pMDI with Multiple Strengths of an Inhaled Corticosteroid. Respiratory Drug Delivery Europe 2013, Vol 2, pp 339-342, 2013.
Boraey, M.A., Baldelli, A., Vehring, R.: Theoretical and Experimental Investigation of Particle Formation from Evaporating Microdroplets. 32nd Annual AAAR Conference, Portland, OR, 2013. Poster
Boraey, M.A., Vehring, R.: A Particle Design Model for Spray Drying of Suspensions and Large Molecule Formulations. RDD Europe, Berlin, Germany, 2013. Poster
Hoe, S., Ivey, J., Boraey, M.A., Shamsaddini-Shahrbabak, A., Matinkhoo, S., Finlay, W.H., Vehring, R.: A Rational Approach to Spray Drying Multi-component Formulations Containing Low Solubility Actives. RDD Europe, Berlin, Germany, 2013. Poster
Vehring, R.: Basics of Respiratory Drug Delivery. Workshop. International Society for Aerosols in Medicine 19th Congress, Chapel Hill, NC, USA, 2013. (Invited)
Vehring, R., Finlay, W.H.: State of the Field: Manufacturing and Device Options for the Delivery of Biotherapeutics. Podium. International Society for Aerosols in Medicine 19th Congress, Chapel Hill, NC, USA, 2013. (Invited)
Hoe, S., Matinkhoo, S., Boraey, M.A., Ivey, J.W., Shamsaddini-Shahrbabak, A., Finlay, W.H., Vehring, R.: Substitution of L-Leucine with D-Leucine in Spray-dried Respirable Powders for Control of Pseudomonas Aeruginosa Infection. International Society for Aerosols in Medicine 19th Congress, Chapel Hill, NC, USA, 2013. Abstract and Poster
Shemirani, F., Hoe, S., Lewis, D., Church, T., Vehring, R., Finlay, W.H.: Effect of Ambient Temperature and Humidity on the in vitro Regional Lung Deposition of Solution and Suspension MDIs. International Society for Aerosols in Medicine 19th Congress, Chapel Hill, NC, USA, 2013. Abstract and Poster
Golshahi, L., Noga, M.L., Vehring, R., Finlay, W.H.: In vitro Correlations for the Estimation of the Deposition of Micrometer-sized Aerosols in the Oral Airways of Adults and Children During Inhalation of Tidal Breathing Patterns. Poster. International Society for Aerosols in Medicine 19th Congress, Chapel Hill, NC, USA, 2013.
Speck, J., Lechuga-Ballasteros, D., Vehring, R., Joshi, V., Noga, B., Schultz, R., Cummings, R., Dwivedi, S.: Cosuspension metered dose inhaler of a combination of glycopyrrolate and formoterol fumarate with no co-formulation effect even at submicrogram doses. American Association of Pharmaceutical Scientists Annual Meeting and Exposition, Chicago, 2012. Poster
Matinkhoo, S., Hoe, S., Boraey, M., Shamsaddini-Shahrbabak, A., Finlay, W.H., Vehring, R.: Spray Drying D-Amino Acids to Develop Respirable Dry Powder for the Treatment of Pseudomonas Aeruginosa Biofilms. American Association of Pharmaceutical Scientists Annual Meeting and Exposition, Chicago, 2012. Poster
Javaheri, E., Vehring, R., Finlay, W.H.: Numerical Modeling of Flocculation and Creaming of Drug Particles inside the Canister of a Metered Dose Inhaler. American Association of Pharmaceutical Scientists Annual Meeting and Exposition, Chicago, 2012. Poster
Shamsaddini-Shahrbabak, A., Vehring, R.: Powder Density Measurement for Respirable Powders Using Uniaxial Compression Under Temperature and Humidity Control. American Association of Pharmaceutical Scientists Annual Meeting and Exposition, Chicago, 2012. Poster
Vehring, R., Ivey, J., Williams, L., Joshi, V., Dwivedi, S., Lechuga-Ballesteros, D.: High-Sensitivity Analysis of Crystallinity in Respirable Powders Using Low Frequency Shift Raman Spectroscopy. RDD 2012, Arizona. Poster
Shamsaddini-Shahrbabak, A. and Vehring. R.: The Compression Behavior of Respirable Powders at Different Relative Humidity Measured by a Compressed Bulk Density Tester for Small Sample Masses. RDD 2012, Arizona. Poster
Shemirani, F.M., Azhdarzadeh, M., Mohammad, T., Fong, J., Church, T.K., Lewis, D.A., Finlay, W.H., Vehring, R.: A Continuous, Monodisperse Propellant Microdroplet Stream as a Model System for Laser Analysis for Examining Mass Transfer in Metered Dose Inhaler Sprays. RDD 2012, Arizona. Poster
Javaheri, E., Vehring, R., Finlay, W.H.: Numerical Modeling of Flocculation and Creaming of Drug Particles inside the Canister of a Metered Dose Inhaler. RDD 2012, Arizona. Poster
Lechuga-Ballesteros, D., Joshi, V., Vehring, R., Flynn, B., Ivey, J., Noga, B., Schultz, R., Sommerville, M., Speck, J., Cummings, H., Golden, M., Orevillo, C., Reisner, C., Dwivedi, S.: Phospholipid Microparticle Based Cosuspensions Enable the Consistent Delivery of Potent Drugs Intended for pMDI Combination Therapy. Drug Delivery to the Lungs 21, Edinburgh, UK, 2011.
Lechuga-Ballesteros, D., Vehring, R., Joshi, V., Sommerville, M., Dwivedi, S.: A New Formulation Platform for Metered Dose Inhaler Combination Products: Cosuspensions of Engineered Phospholipid Microparticles with Micronized Actives. International Society for Aerosols in Medicine 18th Congress, Rotterdam, Netherlands, 2011.
Lechuga-Ballesteros, D., Vehring, R., Dwivedi, S. K.: A New Cosuspension MDI Platform: Scientific Foundations of Mono, Dual and Triple Combination Products. Respiratory Drug Delivery Europe 2011, Vol 1, pp. 101-111, 2011.
Cummings, R. H., Schultz, R., Speck, J. H., Vidya, J., Lechuga-Ballesteros, D., Flynn, B., Vehring, R., Noga, B., Dwivedi, S. K.: Performance Advantages of Pearl Cosuspension Formulation Technology for Manufacturing of Metered-Dose Inhalers. Respiratory Drug Delivery Europe, Berlin, Germany, 2011. Poster
Joshi, V., Lechuga-Ballesteros, D., Flynn, B., Vehring, R., Schultz, R., Noga, B., Cummings, R. H., Speck, J. H., Dwivedi, S. K.: Development of Mono, Dual, and Triple Combination pMDIs without Coformulation Effect. Respiratory Drug Delivery Europe, Berlin, Germany, 2011. Poster
Boraey, M. A., Matinkhoo, S., Vehring, R.: A New Time and Cost Effective Approach for the Development of Microparticles for Pulmonary Drug Delivery. Respiratory Drug Delivery Europe 2011, Vol 2, pp. 473-477, 2011.
Feng, A., Gwin, M., Finlay, P., Bennett, M., Boraey, M., Kuehl, P., Vehring, R.: Rational Design of Microparticles for Respiratory Drug Delivery Using L-Leucine. Rising Stars of Research, Vancouver, BC, 2010. Poster
Vehring, R., Hartman, M., Schultz, R., Joshi, V., Sommerville, M., Cummings, H., Smith, A., Golden, M., Reisner, C., Dwivedi, S.: Glycopyrrolate and Formoterol Fumarate Monotherapy and Combination Metered Dose Inhalers with High Dose Uniformity and Stable Aerosol Properties. American Thoracic Society International Conference, New Orleans, LA, 2010. Poster
Marjason, J., Orevillo, C. J., St Rose, E., Ferguson, G. T., Vehring, R., Joshi, V., Dwivedi, S., Reisner, C.: Assessment of Safety and Pharmacokinetic Profile of a Novel Fixed Combination of Glycopyrrolate and Formoterol HFA MDI in Healthy Volunteers. American Thoracic Society International Conference, New Orleans, LA, 2010. Poster
Vehring, R.: Opportunities in Analytical Approaches to Spray Drying of Solid Dosage Forms. Anhydro’s 3rd Annual Spray Drying Symposium, Los Angeles, CA, 2009. (Invited) Presentation
Vehring, R., Postich, M., Williams, L., Ivey, J. W., Hartman, M. S.: Understanding Aggregate Formation in Therapeutic Aerosols from Pressurized Metered Dose Inhalers. 28th Annual AAAR Conference, Minneapolis, MN, 2009. (Invited)
Ivey, J. W., Vehring, R.: The Use of Modeling in Spray Drying of Emulsions and Suspensions Accelerates Formulation and Process Development. AAPS Workshop on Utilization of Process Modeling and Advanced Process Control in QbD Based Drug Development and Manufacturing, Baltimore, MD, 2009.
Vehring, R.: Basics of Respiratory Drug Delivery I. Int. Society for Aerosols in Medicine 17th Congress, Monterey, CA, 2009. (Invited)
Vehring, R.: Basics of Respiratory Drug Delivery II. Int. Society for Aerosols in Medicine 17th Congress, Monterey, CA, 2009 (Invited)
Vehring, R.: Foam Drying and Foam Freeze Drying, Processing Loss and Long Term Stability. AAPS National Biotech Conf., San Diego, CA, 2007. (Invited)
Ao, Y., Vehring R.: Investigation of Process Loss During Foam Drying of Bacteria. AAPS National Biotech Conf., San Diego, CA, 2007. Poster and Presentation
Vehring, R.: Dry Dosage Forms Produced by Vacuum Foam Drying. CBI Vaccine Summit, Philadelphia, PA, 2007. (Invited) Presentation
Vehring, R.: Aerosol & Particle Technology for Respiratory Drug Delivery. 26th Annual AAAR Conference, Reno, NV, 2007. (Invited) Presentation
Grainger, C.I., Ivey, J.W., Williams, L.A, Vehring, R.: Leucine Shells on Spray-Dried Medicinal Microparticles. 26th Annual AAAR Conference, Reno, NV, 2007. Presentation
Vehring, R.: Particle Design via Spray Drying. AAPS Annual Meeting and Exposition, San Antonio, TX, 2006. (Invited) Presentation
Vehring, R.: Strategies for Nasal and Pulmonary Delivery of Proteins and Viral Vaccines. IBC Life Sciences. Protein Engineering for Biotherapeutics. San Diego, CA, 2006. (Invited) Presentation
Vehring, R.: Particle Design using Spray Drying. The Fine Particle Society, Int. Conf. on Bio and Pharm. Science and Techn., San Diego, CA, 2006. (Invited) Presentation
Vehring, R.: Stabilization of Live Attenuated Virus Vaccine. Pan American Health Organization, Ad-hoc Consultation on Vaccine Stabilization & Delivery of Dry-Powder Vaccines, Washington, D.C., 2005. (Invited) Presentation
Vehring, R.: Introduction to Aerosol Technology for Pulmonary Drug Delivery. 24th Annual AAAR Conference, Austin, TX, 2005. (Invited) Presentation
Vehring, R.: Raman Spectroscopy in Pulmonary Drug Delivery. Department of Pharmaceutical Chemistry, University of Kansas, 2005. (Seminar)
Vehring, R.: Physical Stabilization of Dry Powders for Pulmonary Drug Delivery. IBC 4th Annual Conf.: Deliv. Strat. for Proteins and Peptides. Boston, MA, 2004. (Invited) Presentation
Vehring, R., Foss, W. R., Lechuga-Ballesteros, D., Kuo, M.-C.: Pharmaceutical Particle Engineering Achieves Highly Dispersible Powders for Pulmonary Drug Delivery. 23rd Annual AAAR Conference, Atlanta, GA, 2004. Abstract and Poster
Foss, W. R., Vehring, R.: Preserving Proteins and Peptides During Spray Drying of Inhalable Pharmaceutical Powders. 23rd Annual AAAR Conference, Atlanta, GA, USA, 2004. Abstract and Poster
Lobo, J., Vehring, R.: Cascade Impaction Combined with Raman Spectroscopy Proves Chemical Homogeneity of Spray Dried Aerosols for Pulmonary Drug Delivery. 23rd Annual AAAR Conference, Atlanta, GA, 2004. Abstract and Presentation
Lechuga-Ballesteros, D., Charan, C., Liang, Y., Stults, C., Vehring, R., Kuo, M.-C.: Designing Stable and High Performance Respirable Particles of Pharmaceuticals. Respiratory Drug Delivery IX, Vol 2, pp 565-568, 2004.
Vehring, R., Tep, V., Foss, W.: Novel Experimental Method Indicates Proteins and Peptides are Protected from High Gas Temperatures During Spray Drying. AAPS PharmSci 5: M1247, 2003. Paper originally read at the AAPS Annual Meeting and Exposition, Salt Lake City, UT, Oct 2003. Poster and Summary
D’Souza, A. M., Song, Y., Miller, D. P., Stults, C. M., Vehring, R., Lechuga-Ballesteros, D., Kuo, M.-C.: Surface Properties are a Major Factor in Determining the Dispersibility of Protein Dry Powders for Inhalation. AAPS PharmSci 5: T3109, 2003. Poster and Summary
Lechuga-Ballesteros, D., Stults, C. M., Vehring, R., Kuo, M.-C.: The Use of a Novel Excipient to Enable the Preparation of Stable and Dispersible Dry-powder Aerosol Formulations by Spray Drying. 30th Annual Meeting of the Controlled Release Society, Glasgow, 2003. Abstract and Poster
Lechuga-Ballesteros, D., Chan, H.-K., Lehrman, S. R., Miller, D. P., Pikal-Cleland, K. A., Tan, T., Vehring, R., Williams, L.A.: Peptide Stability in Spray Dried Powders for Inhalation. AAPS PharmSci 4: W5189, 2002. Abstract and Poster
Lehrman, S. R., Lechuga-Ballesteros, D., Miller, D., Pikal-Cleland, K., Vehring, R., Chan, H.-K.: Protein Stability in Amorphous Powders. Higuchi Seminar, Lawrence, KS, 2002.
Lechuga-Ballesteros, D., Chan, H.-K., Feeley, J. C., Foss, W., Miller, D. P., Tep, V., Vehring, R., Clark, A.: The Effect of Bulk and Surface Properties on the Aerosol Performance of Dry Powders for Inhalation. AAPS PharmSci 4: W5192, 2002. Abstract and Poster
Vehring, R., Foss, W. R., Lee, J. W. Y., Egilmez, N.: Spray-Drying of Protein Particles for Pulmonary Delivery. AAPS First Annual Pharmaceutics and Drug Delivery Conference, Arlington, VA, USA, 2002. Abstract and Presentation
Foss, W. R., Postich, M., Vehring, R., Egilmez. N.: Measuring the Agglomerate State of Dry Powder Aerosols for Pulmonary Drug Delivery. AIChE Annual Meeting, Indianapolis, IN, 2002. Abstract and Presentation
Vehring, R.: Solid State Analysis of Multicomponent Pharmaceutical Powders by Red-Excitation, Dispersive Raman Spectroscopy. 29th Annual FACSS Meeting, Providence, RI, 2002. Abstract and Presentation.
Vehring, R., Schweiger, G.: Dispersive Raman Spectroscopy on Soot Particles. International Aerosol Conference, Edinburgh, UK, 1998.
Moritz, H., Kaiser, T., Vehring, R., Schweiger, G.: Untersuchung Schneller Transportvorgänge an Mikrotropfen, GVC-Fachausschußsitzung Mehrphasenströmungen, Aachen, Germany, 1998. Abstract
Davis, E. J., Widman, J. F., Vehring, R., Schweiger, G.: Electrodynamic Trapping and Raman Analysis of Particulate Matter. 49th Pittsburgh Conference and Exposition on Analytical Chemistry and Applied Spectroscopy, New Orleans, LA, 1998.
Moritz, H., Vehring, R., Schweiger, G.: Application of Pulsed 2D-Raman Spectroscopy in Spray Research. 3rd Int. Symp. on Advanced Infrared and Raman Spectroscopy, Vienna, 1998. Abstract
Xu, B., Vehring, R., Schweiger, G.: Die in situ Analyse von Feinstaub-Partikeln in der Elektrodynamischen Waage. In: Lasermethoden in der Strömungsmeßtechnik, Ed: Merzkirch, W., Peters, F., Ruck, B., Dopheide, D., Leder, A., Shaker Verlag, pp 26.1, 1998. Paper
Vehring, R., Schweiger, G.: Chemical Characterization of Single Levitated Microparticles. Proc. 7th European Symp. Particle Characterization, pp 357, 1998. Abstract
Aardahl, C. L., Davis, E. J., Vehring, R., Weber, R., Schweiger, G.: Electrodynamic Trapping of Particles Originating from an Uncharged Aerosol. 16th AAAR Meeting, Denver, CO, 1997. Abstract
Vehring, R., Weber, R., Schweiger, G., Aardahl, C. L., Davis, E. J.: Raman Spectroscopic Characterization of Electrodynamically Levitated Microparticles Originating from an Uncharged Aerosol. 16th AAAR Meeting, Denver, CO, 1997. Abstract
Moritz, H., Vehring, R., Schweiger, G.: Pulsed 2-Dimensional Raman Spectroscopy on Droplets. 16th AAAR Meeting, Denver, CO, 1997. Abstract
Aardahl, C. L., Davis, E. J., Vehring, R., Schweiger, G.: Raman Spectroscopic Measurements of Aerosol Clouds. 15th AAAR Meeting, Orlando, FL, USA, 1996. Abstract
Moritz, H., Vehring, R., Schweiger, G.: Experimental Investigation of Concentration Gradients in Microdroplets. 14th AAAR Meeting, Pittsburgh, PA, 1995. Abstract
Moritz, H., Heinrich, P., Vehring, R., Schweiger, G.: Raman Spectroscopic Investigation of the Isomerization of HSO3- in Microparticles. 4th. Int. Aerosol Conf., Los Angeles, CA, 1994. Abstract
Kaiser, T., Vehring, R., Schweiger, G.: Probing Surface Properties and Surface Reactions on Micron-Sized particles. 8th Int. Conf. on Surface and Colloid Science, Adelaide, 1994. Abstract
Vehring, R., Schweiger, G.: Parallel Raman Spectroscopy as a Tool for the Investigation of Fast Heterogeneous Reactions on Microparticles. 12th AAAR Meeting, Oak Brook, Il, 1993. Abstract
Vehring, R., Schweiger, G.: Experimental Investigation of the Evaporation of Micron Sized Particles Containing Two Components with Highly Different Vapor Pressures. 11th AAAR Meeting, San Francisco, CA, 1992. Abstract
Vehring, R., Schweiger, G.: Raman scattering on Microparticles: Influence of Shape Distortions on Size Dependence. European Aerosol Conf., Oxford, 1992. Abstract
Vehring, R., Schweiger, G.: Optical Analyses of Heat and Mass Transfer Processes on Micron Sized Aerosol Particles. 2nd Int. Conf. on Optics within Life Sciences, Münster, 1992. Abstract
Vehring, R., Schweiger, G.: Raman Spectroscopic Investigations on Evaporating Sprays: Temperature and Concentration Measurements. 7th Int. Conf. on Surface and Colloid Science, Compiegne, 1991. Abstract
Vehring, R., Schweiger, G.: Raman Scattering on Liquid Aerosol Particles: Size and Temperature Effects. 10th AAAR Meeting, Traverse City, MI, 1991. Abstract