Ryan Hartman

2025

Ignition of non-equilibrium methane dielectric barrier discharges in a multiphase plasma-liquid microfluidic device

Das, S., Meyer, M., Kushner, M. J. & Hartman, R. L., Mar 6 2025, In: Lab on a Chip. 25, 9, p. 2182-2192 11 p.

Research output: Contribution to journal › Article › peer-review

Oxygenates production in a microfluidic dielectric barrier discharge device sustained in Ar/CH₄/O₂

Meyer, M., Hartman, R. & Kushner, M. J., Jan 7 2025, In: Journal of Applied Physics. 137, 1, 013301.

Research output: Contribution to journal › Article › peer-review

Open Access

2024

Carbon dioxide hydrate crystallization thickening & morphology in a micro-confined environment for carbon capture & sequestration processes

Wadsworth, L. A., Balke, J. G., Hartman, R. L. & Koh, C. A., Oct 1 2024, In: Applied Energy. 371, 123664.

Research output: Contribution to journal › Article › peer-review

CH₃ Radical Generation in Microplasmas for Up-Conversion of Methane

Meyer, M., Kerketta, S., Hartman, R. & Kushner, M. J., Apr 4 2024, In: Journal of Physical Chemistry A. 128, 13, p. 2656-2671 16 p.

Research output: Contribution to journal › Article › peer-review

Interactions of clathrate hydrate promoters sodium dodecyl sulfate and tetrahydrofuran investigated using ¹H diffusion nuclear magnetic resonance at hydrate-forming conditions

Adkins, Z., Yang, Y., Hartman, R. L. & Koh, C. A., Sep 7 2024, In: Journal of Chemical Physics. 161, 9, 094502.

Research output: Contribution to journal › Article › peer-review

Microfluidic Laser-Induced Nucleation of Iron (II,III) Oxide Nanoparticle-Doped Supersaturated Aqueous KCl Solutions

Ndukwe-Ajala, K. F., Sabirin, J. M., Garetz, B. A. & Hartman, R., 2024, (Accepted/In press) In: Crystal Growth and Design.

Research output: Contribution to journal › Article › peer-review

Open Access

2023

The crystal orientation of THF clathrates in nano-confinement by in situ polarized Raman spectroscopy

Sharma, M. K., Leong, X. N., Koh, C. A. & Hartman, R. L., Dec 27 2023, In: Lab on a Chip. 24, 4, p. 798-809 12 p.

Research output: Contribution to journal › Article › peer-review

2021

A counter-current flow micro-packed-bed DBD plasmatron for the synthesis of a methylated cobaloxime

Liu, Y., Sabio, J. C. & Hartman, R. L., May 13 2021, In: Journal of Physics D: Applied Physics. 54, 19, 194003.

Research output: Contribution to journal › Article › peer-review

Carbon dioxide hydrate in a microfluidic device: Phase boundary and crystallization kinetics measurements with micro-Raman spectroscopy

Wells, J. D., Chen, W., Hartman, R. L. & Koh, C. A., Mar 21 2021, In: Journal of Chemical Physics. 154, 11, 114710.

Research output: Contribution to journal › Article › peer-review

Microbe-Worm Symbiosis Stabilizes Methane Hydrates in Deep Marine Environments

Hua, T., Ahmad, M. T., Choezin, T. & Hartman, R. L., Dec 16 2021, In: Energy and Fuels. 35, 24, p. 19963-19972 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Pressure-Induced Formation and Mechanical Properties of 2D Diamond Boron Nitride

Cellini, F., Lavini, F., Chen, E., Bongiorno, A., Popovic, F., Hartman, R. L., Dingreville, R. & Riedo, E., Jan 20 2021, In: Advanced Science. 8, 2, 2002541.

Research output: Contribution to journal › Article › peer-review

Open Access

2020

Activation of homogenous polyolefin catalysis with a machine-assisted reactor laboratory-in-a-box (μAIR-LAB)

Rizkin, B. A. & Hartman, R. L., Aug 2020, In: Reaction Chemistry and Engineering. 5, 8, p. 1450-1460 11 p.

Research output: Contribution to journal › Article › peer-review

Combining automated microfluidic experimentation with machine learning for efficient polymerization design

Rizkin, B. A., Shkolnik, A. S., Ferraro, N. J. & Hartman, R. L., Apr 1 2020, In: Nature Machine Intelligence. 2, 4, p. 200-209 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Microfluidic Laser-Induced Nucleation of Supersaturated Aqueous Glycine Solutions

Hua, T., Valentín-Valentín, C., Gowayed, O., Lee, S., Garetz, B. A. & Hartman, R. L., Oct 7 2020, In: Crystal Growth and Design. 20, 10, p. 6502-6509 8 p.

Research output: Contribution to journal › Article › peer-review

Using word embeddings in abstracts to accelerate metallocene catalysis polymerization research

Ho, D., Shkolnik, A. S., Ferraro, N. J., Rizkin, B. A. & Hartman, R. L., Oct 4 2020, In: Computers and Chemical Engineering. 141, 107026.

Research output: Contribution to journal › Article › peer-review

Open Access

2019

An automated microfluidic system for the investigation of asphaltene deposition and dissolution in porous media

Chen, W., Guo, T., Kapoor, Y., Russell, C., Juyal, P., Yen, A. & Hartman, R. L., Nov 7 2019, In: Lab on a Chip. 19, 21, p. 3628-3640 13 p.

Research output: Contribution to journal › Article › peer-review

Artificial Neural Network control of thermoelectrically-cooled microfluidics using computer vision based on IR thermography

Rizkin, B. A., Popovich, K. & Hartman, R. L., Feb 2 2019, In: Computers and Chemical Engineering. 121, p. 584-593 10 p.

Research output: Contribution to journal › Article › peer-review

Computational fluid dynamics of DNA origami folding in microfluidics

Hua, T. & Hartman, R. L., May 2019, In: Reaction Chemistry and Engineering. 4, 5, p. 818-827 10 p.

Research output: Contribution to journal › Article › peer-review

Microfluidic Laser-Induced Nucleation of Supersaturated Aqueous KCl Solutions

Hua, T., Gowayed, O., Grey-Stewart, D., Garetz, B. A. & Hartman, R. L., Jun 5 2019, In: Crystal Growth and Design. 19, 6, p. 3491-3497 7 p.

Research output: Contribution to journal › Article › peer-review

Reaction kinetics of a water-soluble palladium-β-cyclodextrin catalyst for a Suzuki-Miyaura cross-coupling in continuous flow

Liu, Y. & Hartman, R. L., Jul 2019, In: Reaction Chemistry and Engineering. 4, 7, p. 1341-1346 6 p.

Research output: Contribution to journal › Article › peer-review

Review Article: Spectroscopic microreactors for heterogeneous catalysis

Rizkin, B. A., Popovic, F. G. & Hartman, R. L., Sep 1 2019, In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 37, 5, 050801.

Research output: Contribution to journal › Article › peer-review

Open Access

Supervised machine learning for prediction of zirconocene-catalyzed α-olefin polymerization

Rizkin, B. A. & Hartman, R. L., Dec 31 2019, In: Chemical Engineering Science. 210, 115224.

Research output: Contribution to journal › Article › peer-review

Open Access

2018

Asphaltenes Dissolution Mechanism Study by in Situ Raman Characterization of a Packed-Bed Microreactor with HZSM-5 Aluminosilicates

Chen, W., Vashistha, P., Yen, A., Joshi, N., Kapoor, Y. & Hartman, R. L., Dec 20 2018, In: Energy and Fuels. 32, 12, p. 12205-12217 13 p.

Research output: Contribution to journal › Article › peer-review

Catalytic activity of Pd/hydrophilic phosphine ligand in the interface of an aqueous-phase Cu-free Sonogashira coupling

Rizkin, B. A. & Hartman, R. L., Jun 2018, In: Reaction Chemistry and Engineering. 3, 3, p. 251-257 7 p.

Research output: Contribution to journal › Article › peer-review

Methane Hydrate Intrinsic Dissociation Kinetics Measured in a Microfluidic System by Means of in Situ Raman Spectroscopy

Chen, W. & Hartman, R. L., Nov 15 2018, In: Energy and Fuels. 32, 11, p. 11761-11771 11 p.

Research output: Contribution to journal › Article › peer-review

2017

Confined methane-water interfacial layers and thickness measurements using: In situ Raman spectroscopy

Pinho, B., Liu, Y., Rizkin, B. & Hartman, R. L., Nov 21 2017, In: Lab on a Chip. 17, 22, p. 3883-3890 8 p.

Research output: Contribution to journal › Article › peer-review

Flash crystallization kinetics of methane (sI) hydrate in a thermoelectrically-cooled microreactor

Chen, W., Pinho, B. & Hartman, R. L., Sep 21 2017, In: Lab on a Chip. 17, 18, p. 3051-3060 10 p.

Research output: Contribution to journal › Article › peer-review

Microfluidics with: In situ Raman spectroscopy for the characterization of non-polar/aqueous interfaces

Pinho, B. & Hartman, R. L., Apr 2017, In: Reaction Chemistry and Engineering. 2, 2, p. 189-200 12 p.

Research output: Contribution to journal › Article › peer-review

Role of HZSM-5 Aluminosilicates on Asphaltenes Deposition by High-Throughput in Situ Characterizations of a Microreservoir

Pinho, B., Minsariya, K., Yen, A., Joshi, N. & Hartman, R. L., Nov 16 2017, In: Energy and Fuels. 31, 11, p. 11640-11650 11 p.

Research output: Contribution to journal › Article › peer-review

2016

Influence of water on the deprotonation and the ionic mechanisms of a Heck alkynylation and its resultant E-factors

Hu, C., Shaughnessy, K. H. & Hartman, R. L., Feb 2016, In: Reaction Chemistry and Engineering. 1, 1, p. 65-72 8 p.

Research output: Contribution to journal › Article › peer-review

Interfacial Properties of Asphaltenes at the Heptol-Brine Interface

Hu, C., Garcia, N. C., Xu, R., Cao, T., Yen, A., Garner, S. A., Macias, J. M., Joshi, N. & Hartman, R. L., Jan 21 2016, In: Energy and Fuels. 30, 1, p. 80-87 8 p.

Research output: Contribution to journal › Article › peer-review

Packed-bed microreactors for understanding of the dissolution kinetics and mechanisms of asphaltenes in xylenes

Hu, C., Yen, A., Joshi, N. & Hartman, R. L., Feb 2 2016, In: Chemical Engineering Science. 140, p. 144-152 9 p.

Research output: Contribution to journal › Article › peer-review

2015

Palladium Theory of Aqueous-Phase Heck Alkynylations for Intensification of Discovery and Manufacture

Sabio, J. C., Domier, R. C., Moore, J. N., Shaughnessy, K. H. & Hartman, R. L., Oct 1 2015, In: Chemical Engineering and Technology. 38, 10, p. 1717-1725 9 p.

Research output: Contribution to journal › Article › peer-review

Role of water on the precipitation and deposition of asphaltenes in packed-bed microreactors

Hu, C., Sabio, J. C., Yen, A., Joshi, N. & Hartman, R. L., Apr 29 2015, In: Industrial and Engineering Chemistry Research. 54, 16, p. 4103-4112 10 p.

Research output: Contribution to journal › Article › peer-review

When solids stop flow chemistry in commercial tubing

Chen, Y., Sabio, J. C. & Hartman, R. L., Sep 2015, In: Journal of Flow Chemistry. 5, 3, p. 166-171 6 p.

Research output: Contribution to journal › Article › peer-review

2014

Chemical reaction engineering perspectives on the role of water in fine chemicals and pharmaceuticals manufacture

Domier, R. C. & Hartman, R. L., Jul 1 2014, In: Chimica Oggi/Chemistry Today. 32, 4, p. 36-41 6 p.

Research output: Contribution to journal › Article › peer-review

High-throughput packed-bed microreactors with in-line analytics for the discovery of asphaltene deposition mechanisms

Hu, C. & Hartman, R. L., Oct 2014, In: AIChE Journal. 60, 10, p. 3534-3546 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Microfluidic investigation of the deposition of asphaltenes in porous media

Hu, C., Morris, J. E. & Hartman, R. L., Jun 21 2014, In: Lab on a Chip. 14, 12, p. 2014-2022 9 p.

Research output: Contribution to journal › Article › peer-review

2013

Kinetic analysis of aqueous-phase Pd-catalyzed, Cu-free direct arylation of terminal alkynes using a hydrophilic ligand

Domier, R. C., Moore, J. N., Shaughnessy, K. H. & Hartman, R. L., Oct 18 2013, In: Organic Process Research and Development. 17, 10, p. 1262-1271 10 p.

Research output: Contribution to journal › Article › peer-review

Microfluidic dispersion of mineral oil-seawater multiphase flows in the presence of dialkyl sulfonates, polysorbates, and glycols

Hu, C., Herz, C. & Hartman, R. L., Dec 1 2013, In: Green Processing and Synthesis. 2, 6, p. 611-623 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2012

Particle handling techniques in microchemical systems

Flowers, B. S. & Hartman, R., 2012, In: Challenges. 3, p. 194-211

Research output: Contribution to journal › Article › peer-review

2011

Palladium-catalyzed amination reactions in flow: Overcoming the challenges of clogging via acoustic irradiation

Noêl, T., Naber, J. R., Hartman, R. L., McMullen, J. P., Jensen, K. F. & Buchwald, S. L., Feb 1 2011, In: Chemical Science. 2, 2, p. 287-290 4 p.

Research output: Contribution to journal › Article › peer-review

Teflon-coated silicon microreactors: Impact on segmented liquid-liquid multiphase flows

Kuhn, S., Hartman, R. L., Sultana, M., Nagy, K. D., Marre, S. & Jensen, K. F., Jun 1 2011, In: Langmuir. 27, 10, p. 6519-6527 9 p.

Research output: Contribution to journal › Article › peer-review

2010

Multistep microchemical synthesis enabled by microfluidic distillation

Hartman, R. L., Naber, J. R., Buchwald, S. L. & Jensen, K. F., Jan 25 2010, In: Angewandte Chemie - International Edition. 49, 5, p. 899-903 5 p.

Research output: Contribution to journal › Article › peer-review

Overcoming the challenges of solid bridging and constriction during Pd-catalyzed C-N bond formation in microreactors

Hartman, R. L., Naber, J. R., Zaborenko, N., Buchwald, S. L. & Jensen, K. F., Nov 19 2010, In: Organic Process Research and Development. 14, 6, p. 1347-1357 11 p.

Research output: Contribution to journal › Article › peer-review

2009

Distillation in microchemical systems using capillary forces and segmented flow

Hartman, R. L., Sahoo, H. R., Yen, B. C. & Jensen, K. F., 2009, In: Lab on a Chip. 9, 13, p. 1843-1849 7 p.

Research output: Contribution to journal › Article › peer-review

2007

Understanding the dissolution of zeolites

Hartman, R. L. & Fogler, H. S., May 8 2007, In: Langmuir. 23, 10, p. 5477-5484 8 p.

Research output: Contribution to journal › Article › peer-review

2006

Acid-sensitive aluminosilicates: Dissolution kinetics and fluid selection for matrix-stimulation treatments

Hartman, R. L., Lecerf, B., Frenier, W. W., Ziauddin, M. & Fogler, H. S., May 2006, In: SPE Production and Operations. 21, 2, p. 194-204 11 p.

Research output: Contribution to journal › Article › peer-review

The unique mechanism of analcime dissolution by hydrogen ion attack

Hartman, R. L. & Fogler, H. S., Dec 19 2006, In: Langmuir. 22, 26, p. 11163-11170 8 p.

Research output: Contribution to journal › Article › peer-review

2005

Reaction kinetics and mechanisms of zeolite dissolution in hydrochloric acid

Hartman, R. L. & Fogler, H. S., Sep 28 2005, In: Industrial and Engineering Chemistry Research. 44, 20, p. 7738-7745 8 p.

Research output: Contribution to journal › Article › peer-review

Ryan Hartman

Research output

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