Jacob A. Bertrand, PhD

Specializing in vacuum deposition, surface chemistry and thin films, and in the design and fabrication of custom scientific instrumentation.
Certificate # 977
Maxima Sciences LLC
9937 Zig Zag Rd
Montgomery, OH 45242
Phone #: 951-415-4924
Website: max-sci.com


University of Colorado, Boulder CO, 8/2012, PhD Physical Chemistry

University of Redlands, Redlands CA, 12/2005, BS Chemistry Cum Laude


Maxima Sciences LLC, Cincinnati OH, 8/2012 – Present, President

Eccrine Systems Inc, Cincinnati OH, 01/2016-05/2019, Principal Scientist


Higgs, D.J.; Young, M.J.; Bertrand, J.A.; George, S.M.; Oxidation kinetics of calcium films by water vapor and their effect on water vapor transmission rate measurements; J. Phys. Chem. C, 2014, dx.doi.org/10.1021/jp505508c

Bertrand, J.A.; Higgs, D.J.; Young, M.J.; and George, S.M.; H2O vapor transmission rate through polyethylene naphthalate polymer using the electrical Ca test; J. Phys. Chem. A, 2013, 117 12026-12034; dx.doi.org/10.1021/jp4043057

Bertrand, J.A.; George, S. M.; Evaluating Al2O3 gas diffusion barriers grown directly on Ca films using atomic layer deposition techniques; J. Vac. Sci. Technol. A 31, 2013, 01A122; http://dx.doi.org/10.1116/1.4763360

Warburton, W.K.;Hennig, W.; Bertrand, J.A.; George, S.M.; Biegalski, S.; Atomic layer deposition α-Al2O3 diffusion barriers to eliminate the memory effect in beta-gamma radioxenon detectors.; J. Radioanal. Nucl. Chem. 2012, 1-9, DOI:10.1007/s10967-012-2061-y

Zhang, Y; Miller, D.C.; Bertrand, J.A.; Jen, S.H.; Yang, R.; Dunn, M.L.; George, S.M.; Lee, Y.C.; Zhang, Y.Z.; 12.3: Defect visualization of atomic layer deposition enabled polymer barriers using fluorescent tags.; Symposium Digest of Technical Papers; 2012; doi.org/10.1889/1.3069422

Jen, S.-H.; Bertrand, J. A.; George, S. M.; Critical tensile and compressive strains for cracking of Al2O3 films grown by atomic layer deposition.; J. Appl. Phys. 2011, 109 (8), 084305, DOI: 10.1063/1.3567912

Zhang, Y.; Bertrand, J. A.; Yang, R.; George, S. M.; Lee, Y. C., Electroplating to visualize defects in Al2O3 thin films grown using atomic layer deposition.; Thin Solid Films 2009, 517 (11), 3269-3272, DOI: 10.1016/j.tsf.2008.12.052

Miller, D. C.; Foster, R. R.; Jen, S.-H.; Bertrand, J. A.; Seghete, D.; Yoon, B.; Lee, Y.-C.; George, S. M.; Dunn, M. L., Thermomechanical properties of aluminum alkoxide (alucone) films created using molecular layer deposition.; Acta Materialia 2009, 57 (17), 5083-5092, DOI: 10.1016/j.actamat.2009.07.015

Miller, D. C.; Foster, R. R.; Zhang, Y.;Jen, S.-H.; Bertrand, J. A.; Zhixing, L.; Seghete, D.; O’Patchen, J. L.; Yang, R.; Lee, Y.-C.; Steven, M. G.; Martin, L. D., The mechanical robustness of atomic-layer- and molecular-layer-deposited coatings on polymer substrates.; Journal of Applied Physics 2009, 105 (9), 093527, DOI: 10.1063/1.3124642

Bertrand, J.A.; Hanley, B.; Haghighi, L.S.; Brothers, M.; Thiolated aromatic blocking structures for EAB biosensors; WO2018112024A1; Dec. 13, 2016

Bertrand, J.A.; Hanley, B.; Brothers, M.; Biosensors with pH-independent redox moieties; WO2018067521A1; Oct. 3, 2016

Heikenfeld, J.; Bertrand, J.A.; Brothers, M.; Gomez, E.; Accurate enzymatic sensing of sweat analytes; WO2018057695A1; Sep. 21, 2016

Beech, R.; Begtrup, Gavi; Heikenfeld, J.; Bertrand, J.A.; Biofluid sensing devices with integrative EAB biosensors; WO2018031559A1; Aug. 8, 0216

Heikenfeld, J.; Morgan, A.; Bertrand, J.A.; Modular biofluid sensing subsystems and devices; US20180020981A1; Jul. 21, 2016

Begtrup, Gavi; Bertrand, J.A.; Heikenfeld, J.; Morgan, A.; Weinle, N.; Sweat conductivity, volumetric sweat rate and galvanic skin response devices and applications; WO2018017619A1; Jul. 19, 2016

Bertrand, J.A.; Begtrup, Gavi; Haghighi, L.S.; Heikenfeld, J.; EAB biosensors for detecting sweat analytes; WO2017189122A1; Apr. 25, 2016

Heikenfeld, J.; Bertrand, J.A.; Brothers, M.; Jajack, A.; Devices capable of sample concentration for extended sensing of sweat analytes; WO2017070640A1; Oct. 23, 2015

Heikenfeld, J.; Plaxco, K.; Wong, H.; Bertrand, J.A.; Sweat sensing devices with concentration regulation; WO2017070641A1; Oct. 23, 2015

Bertrand, J.A.; del Ninno, M.; Optical filter, production system using the optical filter, and method of using the optical filter; US 2014/0154769 A1; Jun. 5, 2014


Society Memberships

Society of Vacuum Coaters, 2011-present, Director since 2018.

American Chemical Society, 2012-present, Member.