Engineer Scientist R&D 2 Analytical Organic Chemist - Engineering Re
Engineer Scientist R&D 2   Analytical Organic Chemist - Engineering Re
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Engineer/Scientist R&D 2 / Analytical Organic Chemist Resume


Desired Industry: Engineering SpiderID: 81874
Desired Job Location: Iowa City, Iowa Date Posted: 3/7/2019
Type of Position: Full-Time Permanent Availability Date:
Desired Wage:
U.S. Work Authorization:
Job Level: Executive (President, VP, CEO) Willing to Travel:
Highest Degree Attained: Doctoral Willing to Relocate: Yes


Objective:
Goal-oriented and multifaceted professional, offering nine years of experience in analytical, environmental and material chemistry research. Adept at developing and implementing novel methodologies to study materials in nano-dimension. Efficient at facilitating research and development, as well as supervising numerous graduate and undergrad students toward the attainment of academic goals. Well-versed in English and Bangla with basic knowledge of Hindi.


Experience:
THE UNIVERSITY OF IOWA, IOWA CITY, IA USA
Graduate Research Aug 2013–May 2019
 Facilitated the investigation and method development of morphology, phase states, surface tension, hygroscopicity, and organic volume fraction of atmospheric relevant model and field collected aerosols by AFM
 Facilitated the investigation of in situ solid-solid phase states, nanoindentation, mechanical and morphological properties, conductivity, and charge carrier mobility of fossils, nano-dimensional activate pharmaceutical (API) semiconducting organic crystals and cocrystals by AFM, SEM, TEM, DSC, UV-VIS, THz, PXRD, OM and XRD
 Participated in several collaborations projects intra- and inter-university research group

UNIVERSITY OF DHAKA, DHAKA, BANGLADESH
Graduate and Undergraduate Research May 2005–Jan 2012
 Facilitated the investigation of the quality of available cooking oils of Bangladesh by using GC-FID and HPLC; as well as photo degradation of water river of Buriganga through sample collection and data analysis by UV-VIS and FTIR
 Participated in the atmospheric collaboration between the University of Dhaka and the Swedish government

TEACHING EXPERIENCE

THE UNIVERSITY OF IOWA, IOWA CITY, IA, USA
Graduate Teaching Assistant Aug 2013–Present
 Rendered instructional services to students on Physical Chemistry I, Principles of Physical Chemistry, Synthesis and Measurement, Principles of Chemistry I, Principles of Chemistry II, General Chemistry I, and General Chemistry II
 Created and implemented several new experimental methodologies
 Carried out key tasks such as overseeing instrument maintenance, training new users, and developing training module
 Supervised graduate and undergraduate students for research group
 Worked closely with various other Chemistry and Physics research groups


Education:
Doctor of Philosophy in Chemistry: In Progress; Expected Date of Completion: Spring 2019
THE UNIVERSITY OF IOWA, IOWA CITY, IA USA

Master of Science in Chemistry: Jan 2012
UNIVERSITY OF DHAKA, DHAKA, BANGLADESH

Bachelor of Science in Chemistry: Dec 2009
UNIVERSITY OF DHAKA, DHAKA, BANGLADESH


Affiliations:
American Chemical Society (ACS) | Bangladesh Chemical Society (BCS)

ACTIVITIES

Volunteer, Iowa Children's Museum Family Free Night
Volunteer, 2017 World Earth Day
Invited, University of Iowa Graduate College, English Speaking Proficiency Assessment (ESPA) Examination
Invited, Department of Chemistry, University of Iowa Graduate College, ESPA Examination
Invited, Department of Chemistry, University of Iowa Graduate College


JOURNALS

Ray, K. K., Lee, H. D., and Tivanski, A. V.. Correlating 3D morphology and viscoelastic properties of individual substrate-deposited particles. (Submitted in Analytical Chemistry).
Ray, K. K., Campillo-Alvarado, G., Höpfl, H., Morales-Rojas, H., MacGillivray, L. R., and Tivanski, A. V. Modulation of electrical conductivity of π rich organic molecules’ guests in boronic ester adduct host. (Submitted in ChemComm).
Lee, H. D., Ray, K. K., and Tivanski, A. V. (2017). Solid, semisolid, and liquid phase states of individual submicrometer particles directly probed using atomic force microscopy. Analytical Chemistry, 89(23), 12720-12726.
Lee, H. D., Ray, K. K., and Tivanski, A. V. (2018). Multiphase environmental chemistry in the atmosphere, American Chemical Society, 1299 ACS Symposium Series Ch. 12, 245-259.
Lee, H. D., Estillore, A. D., Morris, H. S., Ray, K. K., Alejandro, A., Grassian, V. H., and Tivanski, A. V. (2017). Direct surface tension measurements of individual sub-micrometer particles using atomic force microscopy. The Journal of Physical Chemistry A, 121(43), 8296-8305.
Hutchins, K. M., Rupasinghe, T. P., Oburn, S. M., Ray, K. K., Tivanski, A. V., and MacGillivray, L. R. (2019). Remarkable decrease in stiffness of aspirin crystals upon reducing crystal size to nanoscale dimensions via sonochemistry. CrystEngComm.

MANUSCRIPTS

Ray, K. K., Oburn, S., Zhang, T., Raglione, M. E., Arnold, M. A., MacGillivray, L. R., and Tivanski, A. V. (2019). In-situ observation of a solid-solid polymorph transformation of a nano-sized metastable cocrystal by AFM. Manuscript in preparation.
Ray, K. K., Oburn, S., Zhang, T., Raglione, M. E., Arnold, M. A., MacGillivray, L. R., and Tivanski, A. V. (2019). Effects of carbon chain length on mechanical properties: a transition of cocrystal to salt. Manuscript in preparation.
Oburn, S., Ray, K. K., Zhang, T., Hutchins, K. M., Bandaranaya, B., Rupasinghe, T…and Tivanski, A. V. (2019) Compositional design of functional groups as a determining factor in crystal engineering mechanical properties of cocrystal: Isostructurally and polymorphism. Manuscript in preparation.
Deane, G. B., Cochran, R. E., Jayarathne, T., Stokes, M. D., Forestieri, S. D., Wang, X, Ray, K. K., Lee, H. D., …and Stone, E. A. (2019). A mechanistic model for the size-dependent transfer of organic matter to sea spray aerosol. Manuscript in preparation.
Rupasinghe, T., Hutchins, K. M., Bandaranaya, B., Ray, K. K., Miller, M. L., Arnold, M. A…and Tivanski, A. V. (2019). Mechanical properties of organic nanocrystalline solids prepared via different synthetic methods. Manuscript in preparation.
Shohel, M., Ray, K. K., Tivanski, A. V., Cramer, B. D., and Forbes, T. Z. (2019). Systematic assessment of crystalline structure and mechanical properties along length of conical conodont microfossils. Manuscript in preparation.

PRESENTATIONS

Oral
Lee, H. D., Ray, K. K. and Tivanski, A. V. (2018). Multiphase environmental chemistry in the atmosphere. ACS Symposium Series, American Chemical Society, Washington D.C., USA.
Ray, K. K., Campillo-Alvarado, G., Höpfl, H., Morales-Rojas, H., MacGillivray, L. R., and Tivanski, A. V. (2017). Modulation of electrical conductivity of π rich organic molecules’ guests in boronic ester adduct host. 27th Midwest Organic Solid State Chemistry Symposium (MOSSCS), Kansas State University, Manhattan, KS, USA.
Ray, K. K., Gutierrez, M., Lee, H. D., Morris, H. S., Chang, F.J., and Tivanski, A. V. (2017a). Mechanical properties of individual substrate-deposited seaspary aerosol particles. Iowa Academy of Science Conference, Iowa, USA.
Ray, K. K., Gutierrez, M., Lee, H. D., Morris, H. S., Chang, F. J., and Tivanski, A. V. (2017b). Nanoindentation study of individual substrate-deposited particles. The 19th Annual Jakobsen Memorial Conference, Iowa City, Iowa, USA.
Ray, K. K., Lee, H. D., and Tivanski, A. V. (2017). Correlating 3D morphology and mechanical properties of individual substrate-deposited particles. 254th ACS National Meeting and Symposium, Washington D. C., USA.
Ray, K. K., Lee, H. D., and Tivanski, A. V. (2018). Study of the phase state and viscoelastic properties of individual substrate deposited model aerosol systems by atomic force microscopy force spectroscopy. 256th ACS National Meeting and Symposium, Boston, MI, USA.
Ray, K. K., Mandal, S., Shoeb, M. D., Mamun, M. I. R., and Nahar, N. (2012). Determination of fatty acids composition of some cooking oils in Bangladesh. Seminar on Organic Pollutants in Food, Agricultural Products and Environment, University of Dhaka, Dhaka, Bangladesh.
Ray, K. K., Oburn, S., Hutchins, K. M., Rupasinghe, T., MacGillivray, L. R., and Tivanski, A. V. (2018). Modulation of mechanical properties: An effect of alkane and alkene functionality on iso-structural and polymorphic organic cocrystals. 28th Midwest Organic Solid State Chemistry Symposium (MOSSCS), Webster University, St. Louis, MO, USA.
Ray, K. K., Oburn, S., Hutchins, K., Rupasinghe, T., Swenson, D., MacGillivray, L., and Tivanski, A. (2018). Modulation of mechanical properties of organic cocrystals and crystal designing: Impacts of isostructural and polymorphic functional groups. American Chemical Society, Washington, DC, USA.
Ray, K. K., Gutierrez, M., Lee, H., Morris, H., Chang, F., and Tivanski, A. (2017). Correlating 3D morphology and mechanical properties of individual substrate-deposited particles. American Chemical Society, Washington, DC, USA.
Ray, K. K., Oburn, S., Zhang, T., Hutchins, K. M., Bandaranaya, B., Rupasinghe, T…and Tivanski, A. V. (2017). Mechanical properties of macro- and nano-dimensional organic cocrystals. 26th Midwest Organic Solid State Chemistry Symposium (MOSSCS), University of North Dakota, Grand Forks, ND, USA.

Poster
Ray, K. K., Lee, H. D., and Tivanski, A. V. (2018). Understanding the phase state of individual substrate deposited aerosol particles by atomic force spectroscopy. 256th ACS National Meeting and Symposium, Boston, MI, USA.
Ray, K. K., Oburn, S., Hutchins, K. M., Rupasinghe, T., MacGillivray, L. R., and Tivanski, A. V. (2018a). Modulation of mechanical properties of organic cocrystals and crystal designing: Impacts of isostructural and polymorphic functional groups. 256th ACS National Meeting and Symposium, Boston, MI, USA. (Colloidal section)
Ray, K. K., Oburn, S., Hutchins, K. M., Rupasinghe, T., MacGillivray, L. R., and Tivanski, A. V. (2018b). Modulation of mechanical properties of organic cocrystals and crystal designing: Impacts of isostructural and polymorphic functional groups. 256th ACS National Meeting and Symposium, Boston, MI, USA. (Scimix)
Ray, K. K., Oburn, S., Hutchins, K. M., Rupasinghe, T., MacGillivray, L. R., and Tivanski, A. V. (2018c). Characterization of mechanical properties of isostructural and polymorphic alkane and alkene functional cocrystals. Crystal Engineering (Gordon Research Conference and Seminar), Jordan Hotel at Sunday River, Newry, ME, USA.

RESEARCH PROJECTS

Ray, K. K. (2009). Photo degradation of humic acid of river Buriganga water by titanium di-oxide utilizing FTIR and UV-VIS. University of Dhaka, Dhaka, Bangladesh.
Ray, K. K. (2011). Determination of fatty acids composition of some cooking oils in Bangladesh by GC-FID and HPLC. University of Dhaka, Dhaka, Bangladesh.
Ray, K. K. (In Progress). Characterization of mechanical and morphological properties of nano-dimensional (nanowires active pharmaceutical ingredients and fossils) materials by AFM, SEM, TEM, XRD, PXRD, DSC and THz-TDS. University of Iowa, Iowa City, IA, USA.
Ray, K. K. (In Progress). Characterization of mechanical, electrical and morphological properties of nano-dimensional organic semiconducting materials by AFM, SEM and TEM. University of Iowa, Iowa City, IA, USA.
Ray, K. K. (In Progress). Characterization of Mechanical, Phase states, Surface tension, Viscoelastic response distance, Relative indentation depth, Organic volume fraction and Morphology study of nano-dimensional atmospheric relevant particles (sea spray and secondary organic aerosols) by AFM. University of Iowa, Iowa City, IA, USA.


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