Education

Ph.D., Chemistry, State University of New York at Buffalo; Buffalo, NY Dissertation: Spectroscopic Investigations of a Room Temperature Ionic Liquid: Implications as a New Age, Green Solvent ; Advisor, Dr. Frank V. Bright

B.S., Chemistry, Georgia Southern University; Statesboro, GA 

Professional Experience

Assistant Professor; University of Missouri

Independent Consultant; Harbach Engineering and Solutions, Inc.         

Postdoctoral Associate; Oak Ridge National Laboratory

Senior Scientist; Protein Discovery, Inc.

Health and Safety Manager; Protein Discovery, Inc.

Postdoctoral Associate; Los Alamos National Laboratory

Graduate Research Assistant; University at Buffalo

Teaching Assistant; University at Buffalo

Undergraduate Research Assistant; Georgia Southern University

Medical Assistant; Dr. Melania Domingo

1. Wang, J.;  Xue, J.;  Dong, X.;  Yu, Q.;  Baker, S. N.;  Wang, M.; Huang, H., Antimicrobial properties of benzalkonium chloride derived polymerizable deep eutectic solvent. Int. J. Pharm. 2020, 575,  https://doi.org/10.1016/j.ijpharm.2019.119005

2. Wang, J.; Baker, S. N., Pyrrolidinium salt based binary and ternary deep eutectic solvents: Green preparations and physiochemical property characterizations. Green Process. Synth. 2018, 7 (4), 353-359. https://doi.org/10.1515/gps-2017-0060

3. Ravula, S.;  Larm, N. E.;  Liu, Y.;  Atwood, J. L.;  Baker, S. N.; Baker, G. A., Ionothermal synthesis of magnetically-retrievable mesoporous carbons from alkyne-appended ionic liquids and demonstration of their use in selective dye removal. New J. Chem. 2018, 42 (3), 1979-1986. https://doi.org/10.1039/c7nj03849f

4. Wang, J.;  Dong, X.;  Yu, Q.;  Baker, S. N.;  Li, H.;  Larm, N. E.;  Baker, G. A.;  Chen, L.;  Tan, J.; Chen, M., Incorporation of antibacterial agent derived deep eutectic solvent into an active dental composite. Dent. Mater. 2017, 33 (12), 1445-1455. https://doi.org/10.1016/j.dental.2017.09.014

5. Smith, C. J.;  Wagle, D. V.;  O'Neill, H. M.;  Evans, B. R.;  Baker, S. N.; Baker, G. A., Multi-purpose cellulosic ionogels. In ACS Symposium Series, Scurto, A. M.; Shiflett, M. B., Eds. American Chemical Society: 2017; Vol. 1250, pp 143-155.

6. Smith, C. J.;  Wagle, D. V.;  O'Neill, H. M.;  Evans, B. R.;  Baker, S. N.; Baker, G. A., Bacterial Cellulose Ionogels as Chemosensory Supports. ACS Appl. Mater. Interfaces 2017, 9 (43), 38042-38051. https://doi.org/10.1021/acsami.7b12543

7. Ravula, S.;  Baker, S. N.;  Kamath, G.; Baker, G. A., Ionic liquid-assisted exfoliation and dispersion: Stripping graphene and its two-dimensional layered inorganic counterparts of their inhibitions. Nanoscale 2015, 7 (10), 4338-4353. https://doi.org/10.1039/c4nr01524j

8. Zhu, J.; Baker, S. N., Lewis base polymers for modifying sorption and regeneration abilities of amine-based carbon dioxide capture materials. ACS Sustainable Chem. Eng. 2014, 2 (12), 2666-2674. https://doi.org/10.1021/sc5003648

9. Sze, L. L.;  Pandey, S.;  Ravula, S.;  Pandey, S.;  Zhao, H.;  Baker, G. A.; Baker, S. N., Ternary deep eutectic solvents tasked for carbon dioxide capture. ACS Sustainable Chem. Eng. 2014, 2 (9), 2117-2123. https://doi.org/10.1021/sc5001594

10. Hofmann, C. M.;  Essner, J. B.;  Baker, G. A.; Baker, S. N., Protein-templated gold nanoclusters sequestered within sol-gel thin films for the selective and ratiometric luminescence recognition of Hg2+. Nanoscale 2014, 6 (10), 5425-5431. https://doi.org/10.1039/c4nr00610k

11. Wang, J.;  Xiong, J.;  Baker, G. A.;  Jiji, R. D.; Baker, S. N., Developing microwave-assisted ionic liquid microextraction for the detection and tracking of hydrophobic pesticides in complex environmental matrices. RSC Adv. 2013, 3 (38), 17113-17119. https://doi.org/10.1039/c3ra41139g

12. Pandey, S.;  Baker, G. A.;  Sze, L.;  Pandey, S.;  Kamath, G.;  Zhao, H.; Baker, S. N., Ionic liquids containing fluorinated β-diketonate anions: Synthesis, characterization and potential applications. New J. Chem. 2013, 37 (4), 909-919. https://doi.org/10.1039/c3nj40855h

13. Baker, G. A.;  Rachford, A. A.;  Castellano, F. N.; Baker, S. N., Ranking solvent interactions and dielectric constants with [Pt(mesBIAN)(tda)]: A cautionary tale for polarity determinations in ionic liquids. ChemPhysChem 2013, 14 (5), 1025-1030. https://doi.org/10.1002/cphc.201200981

14. Trivedi, S.;  Pandey, S.;  Baker, S. N.;  Baker, G. A.; Pandey, S., Pronounced hydrogen bonding giving rise to apparent probe hyperpolarity in ionic liquid mixtures with 2,2,2-trifluoroethanol. J Phys Chem B 2012, 116 (4), 1360-1369. https://doi.org/10.1021/jp210199s

15. Rai, R.;  Pandey, S.;  Baker, S. N.;  Vora, S.;  Behera, K.;  Baker, G. A.; Pandey, S., Ethanol-assisted, few nanometer, water-in-ionic-liquid reverse micelle formation by a zwitterionic surfactant. Chem. Eur. J. 2012, 18 (39), 12213-12217. https://doi.org/10.1002/chem.201200682

16. Pandey, S.;  Baker, S. N.;  Pandey, S.; Baker, G. A., Optically responsive switchable ionic liquid for internally-referenced fluorescence monitoring and visual determination of carbon dioxide. Chem. Commun. 2012, 48 (56), 7043-7045. https://doi.org/10.1039/c2cc32164e

17. Pandey, S.;  Baker, S. N.;  Pandey, S.; Baker, G. A., Fluorescent probe studies of polarity and solvation within room temperature ionic liquids: A review. J Fluoresc 2012, 22 (5), 1313-1343. https://doi.org/10.1007/s10895-012-1073-x

18. Pandey, S.;  Ali, M.;  Kamath, G.;  Pandey, S.;  Baker, S. N.; Baker, G. A., Binding of the ionic liquid cation 1-alkyl-3-methylimidazolium to p-tetranitrocalix[4]arene probed by fluorescent indicator displacement. Anal. Bioanal. Chem. 2012, 403 (8), 2361-2366. https://doi.org/10.1007/s00216-012-5980-0

19. Mahurin, S. M.;  Yeary, J. S.;  Baker, S. N.;  Jiang, D. E.;  Dai, S.; Baker, G. A., Ring-opened heterocycles: Promising ionic liquids for gas separation and capture. J. Membr. Sci. 2012, 401-402, 61-67. https://doi.org/10.1016/j.memsci.2012.01.042

20. Kamath, G.;  Bhatnagar, N.;  Baker, G. A.;  Baker, S. N.; Potoff, J. J., Computational prediction of ionic liquid 1-octanol/water partition coefficients. Phys. Chem. Chem. Phys. 2012, 14 (13), 4339-4342. https://doi.org/10.1039/c2cp40122c

21. Al-Azzawi, O. M.;  Hofmann, C. M.;  Baker, G. A.; Baker, S. N., Nanosilica-supported polyethoxyamines as low-cost, reversible carbon dioxide sorbents. J. Colloid Interface Sci. 2012, 385 (1), 154-159. https://doi.org/10.1016/j.jcis.2012.07.001

22. Wang, C. H.;  Baker, S. N.;  Lumsden, M. D.;  Nagler, S. E.;  Heller, W. T.;  Baker, G. A.;  Deen, P. D.;  Cranswick, L. M. D.;  Su, Y.; Christianson, A. D., Antiferromagnetic order in MnO spherical nanoparticles. Phys. Rev. B Condens. Matter Mater. Phys. 2011, 83 (21),  https://doi.org/10.1103/PhysRevB.83.214418

23. Sun, Q. C.;  Xu, X.;  Baker, S. N.;  Christianson, A. D.; Musfeldt, J. L., Experimental determination of ionicity in MnO nanoparticles. Chem. Mater. 2011, 23 (11), 2956-2960. https://doi.org/10.1021/cm200582t

24. Sun, Q. C.;  Baker, S. N.;  Christianson, A. D.; Musfeldt, J. L., Magnetoelastic coupling in bulk and nanoscale MnO. Phys. Rev. B Condens. Matter Mater. Phys. 2011, 84 (1),  https://doi.org/10.1103/PhysRevB.84.014301

25. Kumar, V.;  Baker, G. A.;  Pandey, S.;  Baker, S. N.; Pandey, S., Contrasting behavior of classical salts versus ionic liquids toward aqueous phase J-aggregate dissociation of a cyanine dye. Langmuir 2011, 27 (21), 12884-12890. https://doi.org/10.1021/la203317t

26. Baker, S. N.;  Zhao, H.;  Pandey, S.;  Heller, W. T.;  Bright, F. V.; Baker, G. A., Fluorescence energy transfer efficiency in labeled yeast cytochrome c: A rapid screen for ion biocompatibility in aqueous ionic liquids. Phys. Chem. Chem. Phys. 2011, 13 (9), 3642-3644. https://doi.org/10.1039/c0cp02345k

27. Baker, S. N.; Baker, G. A., Luminescent carbon nanodots: Emergent nanolights. Angew. Chem. Int. Ed. 2010, 49 (38), 6726-6744. https://doi.org/10.1002/anie.200906623

28. Ali, M.;  Kumar, V.;  Baker, S. N.;  Baker, G. A.; Pandey, S., J-aggregation of ionic liquid solutions of meso-tetrakis(4-sulfonatophenyl) porphyrin. Phys. Chem. Chem. Phys. 2010, 12 (8), 1886-1894. https://doi.org/10.1039/b920500d

29. Baker, S. N.;  McCarty, T. A.;  Bright, F. V.;  Heller, W. T.; Baker, G. A., Ionic liquid advances in optical, electrochemical, and biochemical sensor technology. In Ionic Liquids in Chemical Analysis, CRC Press: 2008; pp 99-138.

30. Page, P. M.;  McCarty, T. A.;  Baker, G. A.;  Baker, S. N.; Bright, F. V., Comparison of dansylated aminopropyl controlled pore glass solvated by molecular and ionic liquids. Langmuir 2007, 23 (2), 843-849. https://doi.org/10.1021/la0621867

31. Munson, C. A.;  Kelepouris, L.;  Baker, G. A.;  Baker, S. N.;  Blanchard, G. J.; Bright, F. V., On the behavior of indole-containing species sequestered within reverse micelles at sub-zero temperatures. Appl Spectrosc 2007, 61 (5), 537-547. https://doi.org/10.1366/000370207780807795

32. Burrell, A. K.;  Del Sesto, R. E.;  Baker, S. N.;  McClesky, T. M.; Baker, G. A., Erratum: The large scale synthesis of pure imidazolium and pyrrolidinium ionic liquids (Green Chemistry (2007) 9 (449-454) DOI: 10.1039/b615950h). Green Chem. 2007, 9 (7), 809-810. https://doi.org/10.1039/b709132j

33. Burrell, A. K.;  Del Sesto, R. E.;  Baker, S. N.;  McCleskey, T. M.; Baker, G. A., The large scale synthesis of pure imidazolium and pyrrolidinium ionic liquids. Green Chem. 2007, 9 (5), 449-45. https://doi.org/10.1039/b615950h

34. Wang, Q.;  Baker, G. A.;  Baker, S. N.; Colón, L. A., Surface confined ionic liquid as a stationary phase for HPLC. Analyst 2006, 131 (9), 1000-1005. https://doi.org/10.1039/b607337a

35. Schertzer, B. M.;  Baker, S. N.;  Diver, S. T.; Baker, G. A., A general, modular approach to a new family of amine-substituted arylboronic acid saccharide chemosensors. Aust. J. Chem. 2006, 59 (9), 633-639. https://doi.org/10.1071/CH05292

36. Del Sesto, R. E.;  Baker, G. A.;  Baker, S. N.;  Scott, B. L.;  Keizer, T. S.;  Burrell, A. K.; McCleskey, T. M., Formation of an unusual charge-transfer network from an ionic liquid. Chem. Commun. 2006,  (3), 272-274. https://doi.org/10.1039/b513893k

37. Baker, S. N.;  Brauns, E. B.;  McCleskey, T. M.;  Burrell, A. K.; Baker, G. A., Fluorescence quenching immunoassay performed in an ionic liquid. Chem. Commun. 2006,  (27), 2851-2853. https://doi.org/10.1039/b606473f

38. Patra, A.;  Baker, G. A.; Baker, S. N., Effects of dopant concentration and annealing temperature on the phosphorescence from Zn2SiO4: Mn2+ nanocrystals. J Lumin 2005, 111 (1-2), 105-111. https://doi.org/10.1016/j.jlumin.2004.06.008

39. Gardinier, W. E.;  Baker, G. A.;  Baker, S. N.; Bright, F. V., Behavior of pyrene end-labeled poly(dimethylsiloxane) polymer tails in mixtures of 1-butyl-3-methylimidazolium bis(trifluoromethyl)sulfonylimide and toluen. Macromolecules 2005, 38 (20), 8574-8582. https://doi.org/10.1021/ma051313n

40. Dattelbaum, A. M.;  Baker, S. N.; Baker, G. A., N-alkyl-N-methylpyrrolidinium salts as templates for hexagonally meso-ordered silicate thin films. Chem. Commun. 2005,  (7), 939-941. https://doi.org/10.1039/b415135f

41. Baker, S. N.;  McCleskey, T. M.; Baker, G. A., An ionic liquid-based optical thermometer. In ACS Symposium Series, American Chemical Society: 2005; Vol. 902, pp 171-181.

42. Baker, G. A.;  Baker, S. N.;  Pandey, S.; Bright, F. V., An analytical view of ionic liquids. Analyst 2005, 130 (6), 800-808. https://doi.org/10.1039/b500865b

43. Baker, G. A.; Baker, S. N., A simple colorimetric assay of ionic liquid hydrolytic stability. Aust. J. Chem. 2005, 58 (3), 174-177. https://doi.org/10.1071/CH05028

44. Patra, A.;  Baker, G. A.; Baker, S. N., Synthesis and luminescence study of Eu3+ in Zn 2SiO4 nanocrystals. Opt Mater 2004, 27 (1), 15-20. https://doi.org/10.1016/j.optmat.2004.01.003

45. Pandey, S.;  Fletcher, K. A.;  Baker, S. N.;  Baker, G. A.;  DeLuca, J.;  Fennie, M. F.; O'Sullivan, M. C., Solution aggregationn of anti-trypanosomal N-(2-napthylmethyl)ated polymines. J. Photochem. Photobiol. A Chem. 2004, 162 (2-3), 387-398. https://doi.org/10.1016/S1010-6030(03)00380-0

46. Pandey, S.;  Fletcher, K. A.;  Baker, S. N.; Baker, G. A., Correlation between the fluorescent response of microfluidity probes and the water content and viscosity of ionic liquid and water mixtures. Analyst 2004, 129 (7), 569-573. https://doi.org/10.1039/b402145m

47. Munson, C. A.;  Baker, G. A.;  Baker, S. N.; Bright, F. V., Effects of subzero temperatures on fluorescent probes sequestered within aerosol-OT reverse micelles. Langmuir 2004, 20 (5), 1551-1557. https://doi.org/10.1021/la0302753

48. Baker, S. N.;  McCleskey, T. M.;  Pandey, S.; Baker, G. A., Fluorescence studies of protein thermostability in ionic liquids. Chem. Commun. 2004, 4 (8), 940-941. https://doi.org/10.1039/b401304m

49. Baker, G. A.;  Pandey, S.;  Pandey, S.; Baker, S. N., A new class of cationic surfactants inspired by N-alkyl-N-methyl pyrrolidinium ionic liquids. Analyst 2004, 129 (10), 890-892. https://doi.org/10.1039/b410301g

50. Werner, J. H.;  Baker, S. N.; Baker, G. A., Fluorescence correlation spectroscopic studies of diffusion within the ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate. Analyst 2003, 128 (6), 786-789. https://doi.org/10.1039/b300734k

51. Fletcher, K. A.;  Baker, S. N.;  Baker, G. A.; Pandey, S., Probing solute and solvent interactions within binary ionic liquid mixtures. New J. Chem. 2003, 27 (12), 1706-1712. https://doi.org/10.1039/b305965k

52. Da Re, R. E.;  Baker, S. N.;  Baker, G. A.;  Morris, D. E.; Costa, D. A. In Spectroscopy of transition metals and f-elements in ionic liquids, Global 2003: Atoms for Prosperity: Updating Eisenhower's Global Vision for Nuclear Energy, New Orleans, LA, New Orleans, LA, 2003; pp 1609-1612.

53. Ciubotaru, M.;  Ptaszek, L. M.;  Baker, G. A.;  Baker, S. N.;  Bright, F. V.; Schatz, D. G., RAG1-DNA binding in V(D)J recombination: Specificity and DNA-induced conformational changes revealed by fluorescence and CD spectroscopy. J. Biol. Chem. 2003, 278 (8), 5584-5596. https://doi.org/10.1074/jbc.M209758200

54. Baker, S. N.;  Baker, G. A.;  Munson, C. A.;  Chen, F.;  Bukowski, E. J.;  Cartwright, A. N.; Bright, F. V., Effects of Solubilized Water on the Relaxation Dynamics Surrounding 6-Propionyl-2-(N,N-dimethylamino)naphthalene Dissolved in 1-Butyl-3-methylimidazolium Hexafluorophosphate at 298 K. Ind. Eng. Chem. Res. 2003, 42 (25), 6457-6463. https://doi.org/10.1021/ie0303606

55. Baker, G. A.;  Baker, S. N.; McCleskey, T. M., Noncontact two-color luminescence thermometry based on intramolecular luminophore cyclization within an ionic liquid. Chem. Commun. 2003, 3 (23), 2932-2933. https://doi.org/10.1039/b310459c

56. Baker, G. A.;  Baker, S. N.;  Mark McCleskey, T.; Werner, J. H., Aspects of chemical recognition and biosolvation within room temperature ionic liquids. In ACS Symposium Series, Rogers, R. D.; Seddon, K. R., Eds. 2003; Vol. 856, pp 212-224.

57. Hilmey, D. G.;  Abe, M.;  Nelen, M. I.;  Stilts, C. E.;  Baker, G. A.;  Baker, S. N.;  Bright, F. V.;  Davies, S. R.;  Gollnick, S. O.;  Oseroff, A. R.;  Gibson, S. L.;  Hilf, R.; Detty, M. R., Water-soluble, core-modified porphyrins as novel, longer-wavelength-absorbing sensitizers for photodynamic therapy. II. Effects of core heteroatoms and meso-substituents on biological activity. J. Med. Chem. 2002, 45 (2), 449-461. https://doi.org/10.1021/jm0103662

58. Cardona, C. M.;  Wilkes, T.;  Ong, W.;  Kaifer, A. E.;  McCarley, T. D.;  Pandey, S.;  Baker, G. A.;  Kane, M. N.;  Baker, S. N.; Bright, F. V., Dendrimers functionalized with a single pyrene label: Synthesis, photophysics, and fluorescence quenching. J Phys Chem B 2002, 106 (34), 8649-8656. https://doi.org/10.1021/jp020862h

59. Baker, S. N.;  Baker, G. A.; Bright, F. V., Temperature-dependent microscopic solvent properties of 'dry' and 'wet' 1-butyl-3-methylimidazolium hexafluorophosphate: Correlation with ET(30) and Kamlet-Taft polarity scales. Green Chem. 2002, 4 (2), 165-169. https://doi.org/10.1039/b111285f

60. Baker, G. A.;  Munson, C. A.;  Bukowski, E. J.;  Baker, S. N.; Bright, F. V., Assessment of one- and two-photon excited luminescence for directly measuring O2, pH, Na+, Mg2+, or Ca2+ in optically dense and biologically relevant samples. Appl Spectrosc 2002, 56 (4), 455-463. https://doi.org/10.1366/0003702021955114

61. Baker, S. N.;  Baker, G. A.;  Munson, C. A.; Bright, F. V., New hot/cold stage for performing microfluorimetric measurements continuously between - 120 and +100 °C. Appl Spectrosc 2001, 55 (9), 1273-1277. https://doi.org/10.1366/0003702011953315

62. Baker, S. N.;  Baker, G. A.;  Kane, M. A.; Bright, F. V., The cybotactic region surrounding fluorescent probes dissolved in 1-butyl-3-methylimidazolium hexafluorophosphate: Effects of temperature and added carbon dioxide. J Phys Chem B 2001, 105 (39), 9663-9668. https://doi.org/10.1021/jp0103528