Publications

105. C.T. Johnston, J. Elzea-Kogel, D.L. Bish and H.H. Murray. Low temperature FTIR study of structural disorder in kaolin group minerals. Clays and Clay Minerals. In Press 6/20/2008.

104. E.A. Haack, C.T. Johnston, and P.A. Maurice. Mechanisms of hydroxamic acid siderophore sorption to monoionic smectite and siderophore-enhanced release of structural Fe3+. Geochimica et Cosmochimica Acta . 72(14):3381-3397 (2008) (Link)

103. T. R. Pereira, D.A. Laird, M. L. Thompson, C. T. Johnston, B. J. Teppen, H. Li, and S.A. Boyd. Role of smectite quasicrystal dynamics in adsorption of dinitrophenol. Soil Sci.Soc.Am.J. 72 (2):347-354, 2008. (Link)

102. T.R. Filley, McCormick, M.K., Crow, S.E.; Szlavecz, K.; Whigham, D.F.; Johnston, C.T.; van den Heuvel, R.N. Comparison of the chemical alteration trajectory of liriodendron tulipifera litter among forests with different invasive earthworm activity. J. Geophysical Research – Biogeosciences. 113, G01027 (2008) (Link)

101. T. Szabo, M. Szekeres, I. Dekany, C. Jackers, S. De Feyter, C.T. Johnston, and R.A. Schoonheydt. Layer-by-layer construction of ultrathin hybrid films with proteins and clay minerals. J. Phys. Chem. C 111, 12730-12740 (2007). (Link

The Journal of Physical Chemistry


100. R.H.A. Ras, C.T. Johnston, R.A. Schoonheydt. Relation between s-polarized and p-polarized internal reflection spectra: Application for the spectral resolution of perpendicular vibrational modes. J. Phys. Chem. A, 111 (36) 8787-8791 (2007) (Link) (featured on cover)

99. M. Santagata, A Bobet, C. T. Johnston, J. Hwang. One-dimensional compression behavior of a highly organic soil. ASCE J. of Geotechnical and Geoenvironmental Engineering. In Press (3/9/2007). (Link)

98. S.L. Hem, C.T. Johnston, H. Hogenesch. Imject Alum is not an alternative to aluminum hydroxide adjuvant or aluminum phosphate adjuvant. In Press (4/19/2007). Vaccine. (Link)

97. I.W. Wait, C.T. Johnston, E.R. Blatchley. The influence of oxidation reduction potential and water treatment processes on quartz lamp sleeve fouling in ultraviolet disinfection reactors. Water Research 2007 41(11):2427-2436. (Link)

96. T. R. Pereira, D.A. Laird, C. T. Johnston, B. J. Teppen, H. Li, and S.A. Boyd. Mechanism of dinitrophenol Herbicide Sorption on Smectites in Aqueous Suspensions at varying pH. Soil Science Society of America. In Press. Soil Science Society of America Journal. (Link)

95. S. Goldberg, C.T. Johnston, D.L. Suarez, S.M. Lesch. Mechanisms of molybdenum adsorption on soil minerals evaluated using vibrational spectroscopy and surface complexation modeling. Chapter in ‘"Adsorption of Metals by Geomedia II" M.O. Barnett and D.B. Kent (eds.) Elsevier book series "Developments in Earth and Environmental Sciences". Expected publication date: October 2007.

94. J. R. Schoonover, W. P. Steckle, Jr., C. T. Johnston, Y. Wang, A. M. Gillikin, and R.A. Palmer. Humidity-Dependent Dynamic Infrared Linear Dichroism Study of a Poly(Ester Urethane) Spectrochimica Acta Part A. Vol 67 (1) 208-213, 2007.(Link)

93. H. Li, T.R. Pereira, B. J. Teppen, D.A. Laird, C.T. Johnston, and S.A. Boyd. Ionic strength-induced formation of Smectite Quasicrystals Change Upon Sorption of Nitroaromatic Compounds. Environmental Science and Technology 41(4): 1251-1256 (2007). (Link)

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92. R.H.A. Ras, Y. Umemura, C.T. Johnston, A. Yamagishi and R.A. Schoonheydt. Ultrathin Hybrid Films of Clay Minerals. Invited Review. Physical Chemistry Chemical Physics 9(8): 918-932 (2007). (Link)

91. H Li, B.J. Teppen, D.A. Laird, C.T. Johnston, S.A. Boyd. Effects of increasing potassium chloride and calcium chloride ionic strength on pesticide sorption by potassium- and calcium smectite. Soil Science Society of America Journal 2006 70: 1889-1895 (2006). (Link)

90. Yau, K.P., D.G. Schulze, C.T. Johnston, S.L. Hem. Aluminum hydroxide adjuvant produced under constant reactant concentration. J. Pharm. Sci. 2006 95:1822-1833.

89. Schoonheydt, R.A. and Johnston, C.T. Surface and interface chemistry of clay minerals. Chapter 3 in “Handbook of Clay Science I in Series ‘Developments in Clay Science” Eds. F. Bergaya, B.K.G. Theng & G. Lagaly, Elsevier Science LTD. Pages 87-112, ISBN-13 978-0-08-044183-2 (2006).

88. Fernandes de Oliveira, M.F., Johnston, C.T., Premachandra, G.S., Teppen, B.J., Li, H., Laird, D.A., Zhu, D., Boyd, S.A. Spectroscopic Study of Carbaryl Sorption on Smectite from Aqueous Suspension. Environmental Science & Technology 39: 9123-9129 (2005). (Link)

87. Sato, H., Ono, K., Johnston, C.T., Yamagishi, A. First-Principles Studies on the Elastic Constants of a 1: 1 Layered Kaolinite Mineral. American Mineralogist 90(11-12): 1824-1826 (2005). (Link)

86. Arroyo, L.J., Li, H., Teppen, B.J., Johnston, C.T. Boyd, S.A. Oxidation of 1-naphthol coupled to reduction of structural Fe3+ in smectite. Clays and Clay Minerals 53(6): 587-596 (2005). (Link)

85. Ras, R.H.A., Johnston, C.T., Schoonheydt, R.A. Chemical instability of octadecylammonium monolayers. Chemical Communications (32): 4095-4097 2005. (Link)

84. Chappell, M.A., Laird D.A., Thompson M.L., Li H., Teppen B.J., Aggarwal V., Johnston C.T., Boyd S.A. Influence of smectite hydration and swelling on atrazine sorption behavior. Environmental Science & Technology 39 (9): 3150-3156 (2005). (Link)

83. Dontsova, K.M., Norton, L.D., Johnston, C.T. Calcium and magnesium effects on ammonia adsorption by soil clays. Soil Science Society of America Journal 69:1225–1232 (2005). (Link)

82. Arroyo LJ, Li H, Teppen BJ, et al. Hydrolysis of carbaryl by carbonate impurities in reference clay SWy-2 J. Agric. Food Chem. 52 (26): 8066-8073 (2004). (Link)

81. Li, H.; Teppen, B.J.; Laird, D.A.; Johnston, C.T.; Boyd, S.A. Geochemical modulation of pesticide sorption on smectite clays. Environmental Science and Technology 38 (20): 5393-5399 (2004). (Link)

80. Ras, R.H.A.; Németh, J.; Johnston, C.T.; DiMasi, E.; Dékány, I.; Schoonheydt, R.A.. Hybrid Langmuir–Blodgett Monolayers containing Clay Minerals: Effect of Clay Concentration and Layer Charge Density on the Film Formation. Phys. Chem. Chem. Phys. (PCCP). 6 (16): 4174-4184 (2004). (Link)

79. Ras, R.H.A.; Nemeth, J.; Johnston, C.T.; Dekany, I.; Schoonheydt, R.A. Infrared reflection absorption spectroscopy study of smectite clay monolayersThin Solid Films 466 (1-2): 291-294 (2004). (Link)

78. Jiang, D; Premachandra, G.S.; Johnston, C.T.; Hem, S.L. Structure and adsorption properties of commercial calcium phosphate adjuvant. Vaccine 23 (5): 693-698 (2004).

77. Sato, H.; Ono, K.; Johnston, C.T.; Yamagishi, A. First-Principle Study on Polytype Structures of 1:1 Dioctahedral Phyllosilicates. American Mineralogist 89 (11-12): 1581-1585 (2004). (Link)

76. Dontsova, K.M.; Norton, L.D.; Johnston, C.T.; Bigham, J.M., Influence of exchangeable cations on water adsorption by soil clays. Soil Science Society of America, 68 (4):1218-1227 (2004). (Link)

75. Li, H.; Teppen, B.J; Johnston, C.T.; Boyd, S.A., Thermodynamics of Nitroaromatic Compound Adsorption from Water by Smectite Clay. Environmental Science and Technology 38 (20): 5433-5442 (2004). (Link )

74. Johnston, C.T.; Boyd, S.A.; Teppen, B.J.; Sheng G., Sorption of Nitroaromatic Compounds on Clay Surfaces. in Handbook of Layered Materials for Catalytic Applications, S. M. Auerbach, K. A. Carrado, P. K. Dutta, Eds.; Marcel-Dekker: NY, pp. 155-189 (2004).

73. Ras, R.H.A.; Németh, J.; Johnston, C.T.; Dékány, I.; Schoonheydt, R.A.. Orientation and conformation of octadecyl rhodamine B in hybrid Langmuir-Blodgett monolayers containing clay minerals. Physical Chemistry Chemical Physics 6 (23): 5347-5352 (2004). (Link)

72. Jiang, D.; Johnston, C.T.; Hem. S.L. Using rate of acid neutralization to characterize aluminum phosphate adjuvant. Pharmaceutical Development and Technology 8 (4): 349-356 (2003). (Link)

71. Schoonover, J.R.; Zhang, S.L.; Johnston, C.T. Raman Spectroscopy and multivariate curve resolution of Concentrated Al2O3-Na2O-H2O Solutions. Journal of Raman Spectroscopy. 34(6): 404-412, (2003). (Link)

70. Dera, P.; Prewitt, C.; Bish, D.L.; Japel, S.; Johnston, C.T. Pressure-controlled polytypism in hydrous layered materials. American Mineralogist 88 (10); 1428-1435 (2003). (Link)

69. Johnston, C.T.; Hem, S.L.; Guenin, E.; Mattai, J. Afflito. Potentiometric/turbidometric titration of aluminum compounds. J. Cosm. Sci, 54, 113-118 (2003).

68. Ras, R.H.A.; C. T. Johnston, E. A. Franses, R. Ramaekers, G. Maes, P. Foubert, F. C. De Schryver, R. A. Schoonheydt Polarized Infrared Study of Hybrid Langmuir-Blodgett Monolayers Containing Clay Mineral Nanoparticles Langmuir 19 (10): 4295-4302 (2003).

67. Wang, S.L.; Johnston, C.T.; Bish, D.L.; White, J.L.; Hem, S.L. Water-vapor adsorption and surface area measurement of poorly crystalline boehmite. J. Colloid and Inteface Science 260 (1): 26-35 (2003). (Link)

66. Hou, X.; Bish, D.L.; Wang, S.L.; Johnston, C.T.; Kirkpatrick, R.J. Hydration, expansion, structure, and dynamics of layered double hydroxides. American Mineralogist. 88 (1): 167-179 (2003). (Link)

65. Li, H.; Sheng, G.; Teppen, B.J.; Johnston, C.T.; Boyd, S.A. Sorption and desorption of pesticides by clay minerals and humic acid-clay complexes. Soil Science Society of America Journal. 67 (1): 122-131 (2003). (Link)

64. Johnston, C.T. and S.L. Wang. (2002) Applications of vibrational spectroscopy in soil and environmental sciences. In “Handbook of Vibrational Spectroscopy” Eds. P.R. Griffiths and J.C. Chalmers. John Wiley, New York, New York. Volume 4. Applications in Industry Materials and the Physical Sciences, pp. 3192-3206.

63. Michéli, E., Madari, B., Tombacz E. Johnston C.T., 2002. Tillage – soil organic matter relationships in long-term experiments in Hungary and Indiana. Chapter 4. p. 565-581. In: R.

62. Lal, J. Kimble, R. F. Follett, and B.A. Stewart (eds.): Advances in Agronomy.Agricultural Practices and Polices for Carbon Sequestration in Soil. Adv. Soil Sci. CRC Press, Boca Raton, FL. (2002).

61. Johnston, C.T.; and Tombacz, E. Surface Chemistry of Soil Minerals. Chapter 2 in "Soil Mineralogy with Environmental Applications" J. Dixon and D. Schulze (eds.) pp. 37-68. (2002).

60. Johnston, C.T.; S.L. Wang, D.L. Bish, P. Dera, S.F. Agnew, and J.W. Kenney. Novel pressure-induced phase transformations in hydrous layered materials. Geophysical Research Letters. 29 (16): art. no. 1770 (2002).

59. Johnston, C.T.; G. Sheng; Teppen, B.J.; Fernandes de Oliveira, M.; Boyd, S.A. Spectroscopic study of dinitrophenol herbicide sorption on smectite. Environmental Science and Technology. 36 (23): 5067-5074 (2002). (Link)

58. Johnston, C.T.; Agnew, S.F.; Schoonover, J.R.; Kenney, J.W.; Page, B.; Osborn, J. and Corbin, R. Raman study of aluminum speciation in simulated alkaline nuclear waste. Environmental Science and Technology. 36 (11):2451-2458 (2002). (Link)

57. Johnston, C.T.; Wang, S.L.; Hem, S.L. Measuring the surface area of aluminum hydroxide adjuvant. J. Pharmaceutical Sciences. (7):1702-1706 (2002). (Link)

56. Sheng, G.; Johnston, C.T.; Teppen, B.J.; Boyd, S.A. Adsorption of dinitrophenol herbicides from water by montmorillonites. Clays Clay Minerals. 50: 25-34 (2002). (Link)

55. Johnston, C.T.; Olivera, M.F., Teppen, B.J.; Sheng, G.; Boyd, S.A. Spectroscopic study of nitroaromatic-smectite sorption mechanisms. Environ. Sci. Technol., 35 (24): 4767-4772 (2001). (Link)

54. Sheng, G.Y., Johnston, C.T., Teppen B.J., Boyd, S.A. Potential contributions of smectite clays and organic matter to pesticide retention in soils J Agr. Food Chem 49: 2899-2907, (2001). (Link)

53. Boyd, S.A., Sheng, G.; Teppen, B.J.; Johnston, C.T. Mechanisms for the adsorption of substituted nitrobenzenes by smectite clays. Environ. Sci. Technol., 35 (21), 4227 -4234, (2001).

52. Johnston, C.T., and Premachandra, G.S. Polarized ATR-FTIR study of smectite in aqueous suspension. Langmuir 17: 3712-3718, (2001). (Link)

51. Goldberg, S., Johnston, C.T. Mechanisms of arsenic adsorption on amorphous oxides evaluated using macroscopic measurements, vibrational spectroscopy, and surface complexation modeling. J. of Colloid and Interface Science 234:204-216 (2001). (Link)

50. Guest, C.; Johnston, C.T.; King, J.; Tishmack, J.K.; and Norton, L.D.. Synthetic soil from composting coal combustion byproducts and an industrial biosolid. Journal of Environmental Quality. 30:246-253, (2001).

49. Johnston, C.T.; Eckert, J., Dotson, L., Bish, D.L. Infrared and inelastic neutron scattering study of the 1.035 and 0.95 nm kaolinite-hydrazine intercalation complexes. Journal of Physical Chemistry. 104: (33) 8080-8088, (2000). DOI:

48. Burrell, L.S.; Johnston, C.T., Schulze, D., Klein, J., White, J.L., Hem, S.L. Aluminum phosphate adjuvants prepared by precipitation at constant pH. Part II: Physiochemical properties. Vaccine, 19:282-287, 2000. (Link)

47. Burrell, L.S.; Johnston, C.T., Schulze, D., Klein, J., White, J.L., Hem, S.L. Aluminum phosphate adjuvants prepared by precipitation at constant pH. Part I: Composition and structure. Vaccine. 19:275-281, 2000. (Link)

46. Wang, S.L., Johnston, C.T. Assignment of the structural OH stretching bands of gibbsite. American Mineralogist, 85:739-744, 2000. (Link)

45. Xu, W., Johnston, C.T., Parker, P. and Agnew, S.F. Infrared study of water sorption on Swy-1 and SAz-1 montmorillonite. Clays and Clay Minerals, 48:120-131, 2000.

44. Lin, L., Johnston, C.T., Blatchley E.R., Inorganic Fouling at Quartz: Water Interfaces in Ultraviolet Photoreactors III: Numerical Modeling, Water Research 33: 3339-3347, 1999. (Link)

43. Lin, L., Johnston, C.T., Blatchley. E.R., Inorganic Fouling at Quartz: Water Interfaces in Ultraviolet Photoreactors II: Temporal and Spatial Distributions, Water Research 33: 3330-3338, 1999. (Link)

42. Lin, L., Johnston, C.T., Blatchley E.R. Inorganic Fouling at Quartz: Water Interfaces in Ultraviolet Photoreactors I: Chemical Characterization, Water Research 33: 3321-3329, 1999. (Link)

41. Earl, W.; and Johnston, C.T. Chemical Speciation of Sorbed Compounds on Environmental Particles using Nuclear Magnetic Resonance Spectroscopy” Chapter 7 in Environmental Particles Volume 4 in the Environmental Analytical and Physical Chemistry Series P.M. Huang and N. Senesi (eds.) pp. 251-280, 1999.

40. Davis, W.M., Erickson, C.L., Johnston, C.T, Delfino, J.J. and Porter, J.E. Quantitative Fourier Transform Infrared spectroscopic investigation of humic substance functional group composition. Chemosphere 38: 2913-2928, 1999. (Link)

39. Norton, L.D.; Altieri, R.; Johnston, C.T. Co-utilization of by-products for soil improvement and erosion control. Beneficial Co-utilization of Agricultural-Municipal and Industrial Byproducts. S. Brown (ed.) Klure Publ, Dordrecht, Netherlands, pp. 163-174, 1998.

38. Madari, B., Micheli, E., Czinkota, I., Johnston, C.T. and Graveel, J.G. Soil organic matter as indicator of changes in the environment. Anthropogenic influences: Tillage Agrokem Es Talajtan 47, 121-132, 1998.

37. Robinson, S., Johnston, C.T. and Reddy, K.R. Combined chemical and 31P NMR spectroscopic analysis of phosphorus in wetland organic soils. Soil Science, 163: 705-713, 1998.

36. Bhatti, J.S., Johnston, C.T. and Comerford, N.B. Influence of oxalate and soil organic matter on sorption and desorption of phosphate onto a Spodic horizon. Soil Sci. Soc. Am. J. 62:1089-1095, 1998.

35. Bhatti, J.S., Comerford, N.B. andJohnston C.T. Influence of soil organic matter removal and pH on oxalate sorption onto a spodic horizon. Soil Sci. Soc. Am. J. 62:152-158, 1998.

34. Nulins, K.H.L., H.G. Toufar, G.O.A. Janssens, R.A. Schoonheydt, and Johnston, C.T.. 1998. . In "The Latest Frontiers of Clay Chemistry. Proceedings of the Sapporo Conference on the Chemistry of Clays and Clay Minerals (Sapporo, Japan 1996)" Eds. A. Yamigishi, A. Aramata, and M. Taniguchi. Publ. Smectite Forum, Sendai Japan. pp. 116-133, 1998.

33. Johnston, W. Xu, P. Parker, S.F. Agnew. Characterization of active sites on mineral surfaces: A spectroscopic study of water sorption on montmorillonite. In "The Latest Frontiers of Clay Chemistry. Proceedings of the Sapporo Conference on the Chemistry of Clays and Clay Minerals (Sapporo, Japan 1996)" A. Yamigishi, A. Aramata, and M. Taniguchi (eds.) Publ. Smectite Forum, Sendai Japan. pp. 47-69, 1998.

32. Johnston, C.T., Helsen, J., Schoonheydt, R. and Bish, D.L. Single-crystal Raman spectroscopic study of dickite. American Mineralogist, 83: 75-84, 1998. (Link)

31. Labouriau, A.; Johnston, C.T.; Earl, W. Cation and water interactions in the interlamellae of a smectite clay. Chapter 10 in “NMR Spectroscopy in Environmental Chemistry” Eds. M. A. Nanny, R. A. Minear and J. A. Leenheer. Oxford University Press, New York p. 181-197 (1997).

30. Madari, B., Micheli, E., Johnston, C.T., Graveel, J.G. and Czinkota I. Long term effects of tillage on the composition of soil organic matter: spectroscopic characterization. Agrokem Es Talajtan 46, 127-134, 1997.

29. Johnston, C.T.; Farmer, W.; and Aochi, Y. Fourier transform infrared and Raman spectroscopy. Chapter 10 in: "Methods of Soil Analysis, Part 3. Chemical Methods, Third Edition," D. Sparks (ed.), Soil Sci. Soc. of Am. Book Series no. 5., Madison, Wisconsin. p 269-321, 1996.

28. Johnston, C.T. Sorption of Organic Compounds on Clay Minerals: A surface functional group approach. Chapter 1 in Organic Pollutants in the Environment. B. Sawhney (ed.) Clay Minerals Society, Boulder Co. pp. 1-44, 1996.

27. Johnston, C.T.; and Earl, W. Vibrational and NMR probe studies of water interactions with homoionic SAz-1 montmorillonite. Chapter 9 in Metal speciation and contamination of Soil. H.E. Allen, C.P. Huang, G.W. Bailey, and A.R. Bowes (eds.) Lewis Publishers, Boca Raton, FL p. 237-254., 1995.

26. Okuda, I., Johnston, C.T. and Rao, P.S.C. Accessibility of solutes to geometrically rough (fractal) surfaces of natural sorbents. Chemosphere 30:2:389-395, 1995.

25. Johnston, C.T.; Davis, W.; Erickson, C.; and Delfino, J. FTIR Spectroscopic Characterization of Humic In Substances Humic substances in the global environment and implications on human health. p. 145-152. N. Senesi and T.M. Miano (ed.), 1994.

24. Hinedi, Z.H., Johnston , C.T. and Erickson, C. Chemisorption of benzene on Cu-montmorillonite as characterized by FTIR and 13C MAS NMR. Clays and Clay Minerals 41:87-94, 1993.

23. Schulze, D. G.; Johnston, C.T., and Bleam, W.F. Visualization of clay mineral structures. In Clays: Controlling the Environment. G.J. Churchman, R.W. Fitzpatrick and R.A. Eggleton (eds.) 10th International Clay Conference Proc., Adelaide Australia. CSIRO Publishing, Melbourne, Australia, pp. 15-18, 1993.

22. Tipton, T., Johnston, C.T., Trabue, S.L., Erickson, C., Stone, D.A. Gravimetric/FTIR apparatus for the study of vapor sorption on clay films. Review of Scientific Instruments 64:1091-1092, 1993. (Link)

21. Johnston, C.T.; Sposito, G.; Earl, W. Characterization of Environmental Particles by Fourier Transform Infrared and Nuclear Magnetic Resonance Spectroscopy" Chapter 1 in Environmental Particles Volume 2 in the Environmental Analytical and Physical Chemistry Series J. Buffle and H. P. van Leeuwen (eds.) Lewis Publishers, Boca Raton, FL. pp. 1-36, 1993.

20. Bish, D. and Johnston, C.T. Rietveld stuctural refinement of dickite at 12 K. Clays and Clay Minerals 41:297-304, 1993.

19. Johnston, C.T., Sposito, G. and Erickson, C. Vibrational probe studies of water interactions with montmorillonite. Clays and Clay Miner. 40:722-730, 1992.

18. Jaynes, W. F., Traina, S.F., Bigham, J.M. and Johnston, C.T. Preparation and characterization of reduced-charge hectorites. Clays and Clay Minerals 40:397-405, 1992.

17. Pennell, K. D., Rhue R.D., Rao, P.S.C., Johnston, C.T. Vapor phase sorption of p-xylene and water on soils and clay minerals. Environ. Sci. & Technol. 26:756-763, 1992. (Link)

16. Johnston, C.T., Tipton T., Trabue, S.L., Erickson C.; and Stone, D.A. Vapor phase sorption of p-xylene on Co- and Cu-exchanged SAz-1 montmorillonite. Environ. Sci. & Technol. 26:382-390, 1992.

15. Johnston, C.T., Swanson, B.I., and Agnew, S. F. Low frequency single crystal Raman, far-infrared, and inelastic neutron scattering studies of acetanilide at low temperature. J. Phys. Chem. 95: 5281-5286, 1991.

14. Ince, E., Johnston, C.T., and Moudgil, B.M. FT-IR spectroscopic study of adsorption of oleic acid/oleate on surfaces of apatite and dolomite. Langmuir 7:1453-1457, 1991. (Link)

13. Johnston, C.T., Tipton, T., Stone, D.A., Erickson, C., and Trabue, S.L. Vibrational and electronic spectroscopic study of p-dimethoxybenzene adsorbed on Cu-montrmorillonite. Langmuir 7:289-296, 1991.

12. Johnston, C.T., Agnew, S.F., and D. L. Bish, D.L. Polarized single crystal FT-IR study of the Keokuk kaolinite and Ouray dickite. Clays and Clay Minerals 38:573-583, 1990.

11. Johnston, C.T. Raman and FT-IR spectra of the kaolinite-hydrazine intercalate. p. 432-454. Chapter 22 In Spectroscopic characterization of minerals and their surfaces, L.M. Coyne, S.W.S. McKeever, and D.F. Blake (eds.), Am. Chem. Soc. Books Series #415, Washington, D. C., 1990.

10. Johnston, C.T., Raman and Fourier transform infrared spectroscopy. Chapter 5 in: Instrumental Surface Analysis of Geologic Materials. D. L. Perry (ed.) VCH Publishers, New York, NY. pp. 121-155, 1990.

9. Johnston, C.T., and Stone, D.A. The Influence of hydrazine on the vibrational modes of kaolinite. Clays and Clay Minerals 38:121-128, 1990.

8. Scott, A.C., Bigio, I.J., and Johnston, C.T. Polarons in acetanilide. Physical Review B. B39:12883-12887, 1989. (Link)

7. Johnston, C.T.; and Sposito, G. Disorder and early sorrow. Progress in the chemical speciation of the soil solution. p. 89-100. In Future developments in soil science research, L.L. Boersma (ed.), Soil Sci. Soc. of Am. Publications, Madison, WI., 1987.

6. Johnston, C.T., G. Sposito, and R. R. Birge. Raman spectroscopic study of kaolinite in aqueous suspension, Clays and Clay Min. 33:483-489, 1985.

5. Johnston, C.T., and Swanson, B.I. Temperature dependence of the vibrational spectra of acetanilide: Davydov solitons or Fermi coupling? Chemical Physics Letters 114:547-552, 1984. (Link)

4. Johnston, C.T., Sposito G., Bocian, D. F., and Birge, R.R. A vibrational spectroscopic study of the interlamellar kaolinite-dimethyl sulfoxide complex. J. Phys. Chem. 88:5959-5964, 1984. (Link)

3. Sposito, G., Holtzclaw, K.H., LeVesque, C.S.; and Johnston, C.T. Trace metal chemistry in arid zone field soils amended with sewage sludge: II. Comparative study of the fulvic acid fraction, Soil Sci. Soc. Am. J. 46:265-275, 1982.

2. Sposito, G., Holtzclaw, K.H., Johnston, C.T., and LeVesque, C.S. Thermodynamics of sodium-copper exchange on Wyoming bentonite at 298 K. Soil Sci. Soc. Am. J. 45:1079-1084, 1981.

1. Holtzclaw, K. H.; Schaumberg, G. D.;LeVesque, C.S.; Sposito, G.; Heick, J.A.; and C.T. Johnston. Analytical properties of the soluble, metal-complexing fractions in sludge-soil mixtures: V. Amino acids, hexosamines, and other carbohydrates in fulvic acid, Soil Sci. Soc. Am. J. 44:736-740, 1980.