PUBLICATIONS

BOOKS:

 S.U. Khan, "Pesticides in the Soil Environment", Elsevier  Scientific Publishing Co.,Amsterdam, The Netherlands, 1980 

 M. Schnitzer and S.U. Khan "Soil Organic Matter", Elsevier Scientific Publication Co., Amsterdam, The Netherlands, 1978

 M. Schnitzer and S.U. Khan "Humic Substances in the Environment", Marcel Dekker, Inc., New York, 1972)

PUBLICATIONS

  1. Khan, S.U. and Webster, G.R. 1966. Certain equilibrium ratios for a solenetzic soil. J. Soil. Sci. 17: 248-254.
  2. Webster, G.R., Khan, S.U. and Moore, A.E. 1967. Poor growth of alfalfa (Medicago sativa) on some Alberta soils. Agronomy J. 59: 37-41.
  3. Khan, S.U and Webster, G.R. 1968. An electrometric method for determining water extractable sulfate in soils. Soil. Sci. 105: 87-91.
  4. Khan, S.U. and Webster, G.R. 1968. Sulfate distribution in solenetzic soils with water table. J. Soil. Sci. 19: 20-24.
  5. Khan, S.U. and Webster, G.R. 1986. Determination of gypsum in solenetzic soils by an X-ray technique. Analyst:93: 400-402.
  6. Khan, S.U., Moore, A.W. and Webster, G.R. 1968. Influence of partial soil sterilization on nodulation of alfalfa. Plant and Soil. XXVIII: 476-477.
  7. Khan, S.U. and Webster, G.R. 1969. Effect of moisture on certain equilibrium ion ratios for a solenetzic and a chernozemic soil. Can. J. Soil. Sci.  49: 164-167.
  8. Khan, S.U. 1969. Some chemical characteristics of humic acid extracted from a solenetzic – solod-black soil sequence at Vegreville, Alberta. Can. J. Soil. Sci. 49: 168-170.
  9. Khan, S.U. 1969. The effect of moisture variation on some characteristics of a black solenetzic soil. Z. Pflanzenernaehr Bodenk. 124: 253-259.
  10. Khan, S.U. 1969. Some carbohydrate fractions of a gray wooded soil as influenced by cropping systems and fertilizers. Can. J. Soil Sci. 49: 419-424.
  11. Khan, S.U. 1970. Interaction between the humic acid fraction of soils and certain metallic cations. Soil Sci. Soc. Amer. Proc. 33: 851-854.
  12. Khan, S.U. 1970. Effect of moisture variation on sulfate concentration in a black solenetzic soil. Soil Sci. Plant Analysis Communication. 1: 7-12.
  13. Khan, S.U. 1970. Humic acid fraction of a gray wooded soil as influenced by cropping systems and fertilizers. Geoderma.3: 247-254.
  14. Khan, S.U. 1970. Organic matter association with soluble salts in the water extract of a black solonetzic soil. Soil. Sci. 109: 227-228.
  15. Khan, S.U. 1970. Enzymatic activity in a gray wooded soil as influenced by cropping systems and fertilizers. Soil. Biol. Biochem. 2: 137-139.
  16. Khan, S.U. 1970. Interaction of metallic acations with humic acids extracted from a solonetzic-solod-black soil sequence in Alberta. Z. Pflanzenernaehr Bodenk. 127: 121-126.
  17. Khan, S.U. and Sowden, F.J. 1971. Distribution of nitrogen in the black solonetzic and black chernozemic soils of Alberta. Can. J. Soil Sci. 51:185-193.
  18. Khan, S. U. and Schnitzer, M. 1971. Further investigation on the chemistry of fulvic acid, a soil humic fraction. Can. J. Chem. 49: 2302-2309.
  19. Khan, S. U. and Schnitzer, M. 1971. Sephadex gel filtration of fulvic acid: The identification of major components in two low-molecular weight fractions. Soil Sci. 110: 231-238.
  20. Khan, S. U. Nitrogen fraction in a gray wooded soil as influenced by long-term cropping systems and fertilizers. Can. J. Soil Sci. 51: 431-437.
  21. Khan, S.U. and Sowden, F.J. 1971 Thermal stabilities of amino acids components of humic acids under oxidative conditions. Geochimica et Cosmochimica Acta. 35: 854-858.
  22. Khan, S. U. 1971. Distribution and characteristics of organic matter extracted from the black solonetzic and black chernozemic soils of Alberta: The humic acid fraction. Soil Sci. 112:401-409.
  23. Khan, S. U. and Schnitzer, M. 1971. The potassium permanganate oxidation of humic acids extracted from solonetzic, solod and chernozemic Ah horizons. Israel J. Chem. 9: 667-677.
  24. Khan, S. U. and Swoden, F. J. 1972.Distribution of nitrogen in fulvic acid fraction extracted from the black solenetzic and black chernozemic soils of Alberta. Can. J. Soil Sci. 52: 116-118.
  25. Khan, S. U. and Friesen, D. 1972. Gel filtration of humic acids extracted from the black solonetzic and black chernozemic soils of Alberta. Soil Sci. 114: 73-74.
  26. Khan, S. U. and Schnitzer, M.1972. Permanganate oxidation of humic acids extracted from a gray wooded soil under different cropping systems and fertilizer treatments. Geoderma. 7: 113-120.
  27. Khan, S. U. and Schnitzer, M. 1972. The permanganate oxidation of humic acids, fulvic acids and humin extracted from Ah horizons of a black chernozem, a black solod and a black solonetzic soil. Can. J. Soil Sci. 52: 43-51.
  28. Khan, S. U. and Schnitzer, M. 1972. The retention of hydrophobic organic compounds by humic acid. Geochimica et Cosmochimica Acta. 36: 745-754.
  29. Khan, S. U. 1972. Adsorption of pesticide by humic substances. Environ. Letters. 3:1-12.
  30. Khan, S. U. 1972. Interaction of humic acid with chlorinated phenoxyacetic and benzoic acids. Environ. Letters. 4: 141-148.
  31. Grover, R, Smith, A.E and Khan, S.U. 1973. Soils and herbicides. Canadex. 500.609.
  32. Khan, S. U. 1973. Interaction of bipyridylium herbicides with an organo-clay complex. J. Soil Sci. 24: 244-248.
  33. Khan, S. U. 1973. Interaction of humic substances with bipyridylium herbicides. Can. J. Soil Sci. 53: 199-204.
  34. Khan, S. U. 1973. Interaction of S-2,3-3-trichloro-allyl N,N-diiisopropylthiocarbamate (Triallate) with montmorillonite. J. Environ. Quality 2: 415-417.
  35. Khan, S. U. 1973. Equilibrium and kinetic studies of the adsorption of 2,4-D and picloram on humic acid. Can. J. Soil Sci. 53:429-434.
  36. Khan, S. U. 1974. Adsorption of 2,4-D from aqueous solution by an organo-clay complex. Environ. Sci. Technol. 8: 236-238.
  37. Khan, S. U. and Mazurkewich, R. 1974. Adsorption of linuron on humic acid. Soil Sci. 118: 339-343.
  38. Khan, S.U. 1974. Humic substances reactions involving bipyridylium herbicides in soil and aquatic environment. Residue Review 52: 1-26.
  39. Khan, S. U. 1974. Adsorption of linuron by montmorillonite. Can. J. Soil Sci. 54: 235-237.
  40. Khan, S. U. 1974. Adsorption of bipyridlium herbicides by humic acid. J. Environ. Quality 3: 202-206.
  41. Khan, S. U. 1974 Determination of diquat and paraquat residues in soil by gas chromatography. J. Agric. Food Chem. 22: 863-867
  42. Ihnat, M, Khan, S.U. and  Shearer, D.A. 1975. Analytical chemistry in agriculture. Chemistry in Canda, 27: 41-43.
  43. Khan, S. U., Greenhalgh, R. and Cochrane, W.P. 1975. Determination of linuron residues in soil. Bull Environ. Contam. Toxicol. 13: 602-610.
  44. Khan, S. U. Marriage, P. B. and Saidak, W. J. 1975. Residues of paraquat in an orchard soil. Can. J. Soil Sci. 55: 73-75.
  45. Khan, S. U. and Purkayastha, R. 1975. Application of thermionic detector in the analysis of s-triazine herbicides. J. Agric. Food Chem. 23: 311-314.
  46. Khan, S. U., Greenhalgh, R. and Cochrane, W.P. 1975. Chemical derivatization of hydroxyatrazine for gas chromatographic analysis. J. Agric. Food Chem. 23: 430-434.
  47. Khan, S.U. 1975. Interaction of humic substances with herbicides in soil and aquatic environments. Adv. Environ. Sci. Technol. Part 2. 367-392.
  48. Khan, S. U. 1975. Electron capture gas-liquid chromatographic method for the simultaneous analysis of 2,4-D, dicamba and mecoprop residues in soil, wheat and barley. J. Assoc. Official Anal. Chem. 58: 1027-1031.
  49. Khan, S. U. 1975. Determination of paraquat residues in food crops by gas chromatography. Bull. Environ. Contam. Toxicol. 14: 745-749.
  50. Khan, S.U. 1975. Chemical derivatization of herbicide residues for gas chromatographic analysis. Residue Review. 59: 21-50.
  51. Mathur, S. P., Belanger, A., Khan, S.U., Hamilton, H.A., Greenhalgh, R. and MacMillan, K.A. 1976. Influence of field applied linuron and paraquat on the microflora of an organic soil. Weed Res. 16: 183-189.
  52. Foster, T.S. and Khan, S.U. 1976. Metabolism of atrazine by the chicken. Canadex. 450.55
  53. Mathur, S.P., Hamilton, H. A., Greenhalgh, R., MacMillan, K.A. and Khan, S.U. 1976. Effec6t of microorganisms and persistence of field applied carbofuran and dyfonate in a humic mesisol. Can. J. Soil Sci. 56: 89-96.
  54. Foster, T. S. and Khan, S. U. 1976. Metabolism of atrazine by the chicken. J. Agric. Food Chem. 24: 566-570.
  55. Khan, S. U. and Lee, K. S. 1976. Determination of cyperquat )1-methyl-4-phenylpyridinium chloride) residues in soil by gas-liquid chromatography. J. Agric. Food Chem. 24: 684-686.
  56. Khan, S. U. and Foster T. S. 1976. Residues of atrazine (2-chloro-4-ethylamino-6-isopropylamino-s-triazine) and its metabilites in chicken tissue. J. Agric. Food Chem. 24: 768-771.
  57. Khan, S. U., Marriage, P. B. and Saidak, W. J. 1976. Persistence and movement of diuron and 3,4-dichloroaniline in an orchard soil. Weed Sci. 24: 583-586.
  58. Khan, S. U., Belanger, A., Hogue, E. J., Hamilton, H. A. and Mathur, S. P. 1976. Residues of paraquat and linuron in an organic soil and their uptake by onions, lettuce and carrots. Can. J. Soil Sci. 56: 407-412.
  59. Khan, S. U., Hamilton, H. A. and Hogue, E. J. 1976. Fonofos residues in an organic soil and vegetable crops following treatment of the soil with the insecticides. Pestic. Sci. 7: 553-558.
  60. Khan, S. U. 1977. Adsorption of dyfonate (o-ethyl-s-phenyl ethylphosphonodithioate) on humic acid. Can J. Soil Sci. 57: 9-1`3.
  61. Marriage, P. B., Khan, S. U. and Saidak, W. J. 1977. Persistence and movement of terbacil in a peach orchard soil after repeatedv annual applications. Weed Res. 17: 219-225.
  62. Khan, S. U. 1977. Determination of terbacil in soil by gas-liquid chromatography with 63Ni electron capture detection. Bull. Environ. Contam. Toxicol. 18: 83-88.
  63. Young, J. C., Khan, S. U. and Marriage, P. B. 1977. Fluorescence detection and determination of glyphosate via its N-nitroso derivative by thin-layer chromatography. J. Agric. Food Chem. 25: 918-922.
  64. Khan, S.U. and Marriage, P.B. 1977. Residues of atrazine and its metabolites in an orchard soil and their uptake by oat plants. J. Agric. Food Chem. 25: 1408-1413.
  65. Khan, S. U. and Young, J. C. 1977. N-nitrosamine formation in soil from the herbicide glyphosate. J. Agric. Food Chem. 25: 1430-1432.
  66. Young, J. C. and Khan, S. U. 1978. Kinetics of nitrosation of the herbicide glyphosate. J. Environ. Sci. Health. B13: 59-72.
  67. Khan, S. U. 1978. Kinetics of hydrolysis of atrazine in aqueous fulvic acid solution. Pestic. Sci. 9:39-43.
  68. Marriage, P. B. and Khan, S. U. 1978. Differential varietal tolerance of peach seedlings to glyphosate. Weed Sci. 26: 374-378.
  69. Khan, S. U. and Schnitzer, M. 1978. UV irradiation of atrazine in aqueous fulvic acid solution. J. Environ. Sci. Health. B13: 299-310.
  70. Chen, Y., Khan, S.U. and Schnitzer, M. 1978. Ultraviolet irradiation of dilute fulvic acid solution. Soil Sci. Soc. Am. J. 42: 292-296.
  71. Khan, S.U. The interaction of organic matter with pesticides, in ‘Soil Organic Matter’, Elsevier Scientific Publishing Co., Amsterdam, pp. 137-171.
  72. Khan, S. U. and Marriage P. B. 1979. Residues of simazine and hyroxy simazine in an orchard soil.. Weed Sci. 27, 238-241.
  73. Foster, T.S., Khan, S.U. and Akhtar, M.H. 1979. Metabolism of atrazine by soluble fraction  (105,000xg) from chicken liver homogenate. J. Agric. Food Chem. 27: 300-302.
  74. Mathur, S. P., Belanger, A., Hamilton, H.A. and Khan, S.U. 1979. Influence on microflora and persistence of field-applied disulfoton, permethrin and prometryne in an organic soil. Pedobiologyca. 20: 237-242.
  75. Khan, S. U., Foster, T. S. and Akhtar, M.H. 1979. In vitro metabolism of a mixture of atrazine and simazine by the soluble fraction (105,000xg) from goose, pig and sheep liver homogenates. Pestic. Sci. 10: 360-466.
  76. Khan, S. U. and Marriage, P. B. 1979. Uptake of glyphosate and N-nitrosoglyphosate from soil by oat plants. J. Agric. Food Chem. 27: 1398-1400.
  77. Khan, S. U., Morris, G. F. and Hidiroglou, M. 1979. Microdetermination of total sulfur and inorganic sulfate in biological materials. Microchemical J. 24, 291-297.
  78. Khan, S. U., Cloutier, R. O., and Hidiroglou, M. 1979. Atomic adsorption spectroscopic determination of molybdenum in plant tissue and blood plasma. J. Assoc. Official Anal. Chem. 62: 1062-1064.
  79. Khan, S. U. and Hamilton, H. A. 1979. Extractable and bound (nonextractable) residues of prometryn and its metabolites in an organic soil. J. Agric. Food Chem. 28: 126-132.
  80. Hidiroglou, M., Williams, C.J., Khan, S.U. and Siddiqui, I.R. 1979. Amino acid and glycosaminoglycan composition of epiphyseal cartilage of neonate and osteoprootic lamb. Int. J. Vitamin Nutrition Res. 49: 359-363.
  81. Hidiroglou, M., Williams, C.J., Siddiqui, I. R. and Khan, S. U. 1979. Effect of Mn-deficit feedings to ewes on certain amino acids and sugars in cartilage of their new born lambs. Amer. J. Veterinary Res. 40: 1375-1377.
  82. Khan, S. U. 1980. Role of humic substances in predicting fate and transport of pollutants in the environment, in ‘Dynamics, Exposure and Hazards Assessment of Toxic Chemicals’. Ann Arbor Science, Ann Arbor, Mich. Pp.215-230.
  83. Khan, S. U. 1980. Bound residues of pesticides in soil. Proc. Int. Conf., Chem. Mol. Biol., University of Alexandria, Egypt. Pp. 67-85.
  84. Khan, S.U. 1980. Plant uptake of unextracted (bound) residues from an organic soil treated with prometryn. J. Agric. Food Chem. 28: 1096-1098.
  85. Foster, T. S., Khan, S.U. and Akhtar, M. H. 1980. Metabolism of deethylatrazine, deisopropylatrazine and hydroxyatrazine  by the soluble fraction (105,000xg) from goose liver homogenates. J. Agric. Food Chem. 28: 1083-1085.
  86. Khan, S. U. 1980. Detrmining the role of humic substances in the fate of pesticides in the environment. J. Environ. Sci. Health, B15: 1071-1090.
  87. Khan, S. U., Morris, G. F. and Hidiroglou, M. 1980. Rapid estimation of sulfide in rumen and blood with a sulfide-specific ion electrode. Microchem. J. 25: 388-395.
  88. Khan, S. U., Marriage, P. B. and Hamill, A. S. 1981. Effect of atrazine treatment of a corn field using different application methods, times, and additives on the persistence of residues in soil and their uptake by oat plants. J. Agric. Food Chem. 29: 216-219.
  89. Khan, S. U. and Saidak, W.J. 1981. Residues of atrazine and its metabolites after prolonged usage. Weed Res. 21: 9-12.
  90. Heeney, H. B., Warren, V. and Khan, S. U. 1981. Effects of rotation of simazine, terbacil and dichlobenil in mature apple orchard. Can. J. Plant Sci. 61: 407-411.
  91. Heeney, H. B., Warren, V. and Khan, S. U. 1981. Effects of annual repeat applications of simazine, diuron, terbacil, and dichlobenil in apple orchard. Can. J. Plant Sci. 61: 630-636.
  92. Marriage, P. B., Khan, S. U., Warwick, S. I. And Tutte, D. F. 1981. Differential nitrogen response to atrazine of susceptible and resistant populations of lamb’s-quarters (Chenopodium album L.). J. Pestic. Biochem. Physiol. 15: 294-299.
  93. Hogue, E. J., Khan, S.U. and Gaunce, A.P. 1981. Leaching of four orchard herbicides in soil columns. Can. J. Soil Sci. 61: 401-407.
  94. Grover, R., Kerr, L. A. and Khan, S. U. 1981. Multi-detector gas chromatographic determination and confirmation of airborne triallate residues in Saskatchewan. J. Agric. Food Chem. 29: 1082-1084.
  95. Khan, S. U. and Iverson, K. C. 1981. Microbiological release of unextracted (bound) residues from an organic soil treated with 14C-prometryn. J. Agric. Food Chem. 29: 1301-1303.
  96. Khan, S. U. 1981. N-nitrosoamine formation in soil from the herbicide glyphosate and its uptake by plants. ACS Symposium Series 174: 275-287.
  97. Khan, S.U. 1982. Distribution and characteristics of bound residues of prometryn in an organic soil. J. Agric. Food Chem. 30: 175-179.
  98. Khan, S.U. and Iverson, K.C. 1982. Release of soil bound (nonextractable) residues by various physiological groups of microorganisms. J. Environ. Sci. Health, B17: 734-749.
  99. Khan, S.U. 1982. Studies on bound 14C-prometryn residues in soil and plants. Chemosphere 11: 771-795.
  100. Khan, S.U. and Miller, S. R. 1982. Effects of repeated application of dichlobenil in a commercial apple orchard. J. Agric. Food Chem. 30: 1246-1248.
  101. Khan, S. U. 1982. Bound residues in soil and plants. Residue Rev. 84: 1-25.
  102. Khan, S. U. and Akhtar M. H. 1983. In vitro release of bound )nonextractable) atrazine residues from corn plants by chicken liver homogenate and bovine rumen liquor. J. Agric. Food Chem. 31: 641-644.
  103. Khan, S. U. and Akhtar, M. H. 1983. Photodecomposition of chlorothanil in benzene. Pesic. Sci. 14: 354-358.
  104. Zhang, L., Akhtar, M. H. and Khan, S. U. 1983. Reaction of diazomethane with chlorothalonil. Chemosphere. 12: 951-954.
  105. Gamble, D.S., Khan, S.U. and Tee, O.S. 1983. Atrazine hydrolysis. Part I: Proton catalysis at 25oC. Pestic. Sci. 14: 537-545.
  106. Khan, S. U. and Gamble D.s. 1983. UV irradiation of aqueous solution of prometryn in presence of humic materials. J. Agric. Food Chem. 31: 1099-1104.
  107. Khan, S. U., Zhang, L. and Akhtar, M.H. 1984. Bound residues of deltamethrin in bean plants. J. Agric. Food Chem. 32: 1141-1144.
  108. Khan, S. U., Stratton, G. D. and Wheeler, W. B. 1984. Characterization of bound (nonextractable) residues of dieldrin, permethrin and carbofuran in radishes. J. Agric. Food Chem. 32: 1189-1191.
  109. Zhang, L., Khan, S. U. Akhtar, M. H. and Iverson, K. C. 1984. Persistence, degradation and distribution of deltamethrin in an organic soil under laboratory conditions. J. Agric. Food Chem. 32: 1207-1211.
  110. Khan, S. U., Warwick, S.I. and Marriage, P. B. 1985. Atrazine metabolism in resistant and susceptible biotypes of Chenoppodium album L., Chenopodium strictum Roth., and Amaranthus powellii S. Wats. Weed Res. 25: 19-23.
  111. Gamble, D. S. and Khan, S. U. 1985. Atrazine hydrolysis in soils: Catalysis by the acidic functional groups of fulvic acid. Can. J. Soil Sci. 65: 435-443.
  112. Khan, S. U. and Rauthan, B. S. 1985. In vitro release of bound (nonextractable) 14C residues from plants by corn leaves homogenates. Chemosphere. 14: 209-214.
  113. Akhtar, M. H. and Khan, S.U. 1985. In vitro metabolism of deltamethrin by stem and leaf homogenates of tobacco plants. Chemsphere. 14: 1037-1041.
  114. Capriel, P., Heisch, A. and Khan, S. U. 1985. Distribution and nature of bound (nonextractable) residues of atrazine in a mineral soil nine years after the herbicide application. J. Agric. Food Chem. 33: 567-569.
  115. Khan, S. U., Kacew, S. and Molnar, S. J. 1985. Bioavailability in rats of bound 14C residues from corn plants treated with 14C atrazine. J. Agric. Food Chem. 33: 712-717.
  116. Yee, D., Weinberger, P. and Khan, S. U. 1985. Release of soil-bound prometryn residues under different soil pH and nitrogen fertilizer regimes. Weed Sci. 33: 822-887.
  117. Capriel, P., Haisch, A. and Khan, S. U. 1986. Supercritical methanol: an efficacious technique for the extraction of bound residues from soil and plant samples. J. Agric. Food Chem. 34: 70-73.
  118. Behki, R. and Khan, S. U. 1986. Degradation of atrazine by Pseudomonas: N-dealkylation and dehalogenation of atrazine and its metabolites. J. Agric. Food Chem. 34: 746-749.
  119. Khan, S. U., Kacew, S. and Akhtar, M.H. 1986. Bioavailability of bound 14C residues in rats from bean plants treated with 14C-deltamethrin. Chemosphere. 15: 923-927.
  120. Khan, S. U. and Kacew, S. 1986. Bound residues in corn plants treated with 14C-atrazine and bioavailability to rats. In ‘Quatification, Nature and Bioavailability of Bound 14C-pesticiude Residues in Soil, Plants and Food’. IAEA. Pp. 103-113.
  121. Khan, S. U., Kacew, S., Dupont, S., Stratton, G. D. and Wheeler, W. B. 1987. Bioavailability in rats of bound residues fro radishes treated either with radiolabeled dieldrin or carbofuran. J. Agric. Food Chem. 35: 89-93.
  122. Khan, S. U. and Balanger, A. 1987.Formation of bound 14C residues in soil and vegetable crop under field conditions. Chemosphere. 16: 167-170.
  123. Khan, S. U. and Dupont, S. 1987. Bound pesticide residues and their bioavailability. International Union of Pure and Applied Chemistry Proceedings. 417-420.
  124. Tam, A.C., Behki, R.M. and Khan, S.U. 1987. Isolation and characterization of an s-ethyl-N-N-dipropylthiocarbamate degradation bacteria. Applied Environ. Microbiol. 53: 1088-1093.
  125. Khan, S.U., Behki, R.M., Tapping, R.I. and Akhtar, M.H. 1988. Deltamethrin residues in an organic soil under laboratory conditions and its degradation by bacterial strain. J. Agric. Food Chem. 36: 636-638.
  126. Grover, R., Kerr, L.A., Bowren, K.E. and Khan, S.U. 1988. Airborne residues of triallate and trifluralin in Saskatchewan. Bull. Environ. Contam. Toxicol. 40: 683-688.
  127. Tam, A.C., Behki, R.M. and Khan, S.U. 1988. Effect of dietholate (R-33865) on the degradation of thiocarbamate herbicides by an EPTC degrading bacterium. J. Agric. Food Chem. 36: 654-657.
  128. Gamble, D.S., and Khan, S.U. 1988. Atrazine hydrolysis in aqueous suspension of humic acid at 25.0oC. Can. J. Chem. 66: 2605-2617.
  129. Khan, S.U. 1989. Bound Herbicide Residues In "Environmental Chemistry of Herbicides" Vol. II, CRC Press Inc. Vol. II, 265-279.
  130. Nelson, S.D. and Khan, S.U. 1989. A novel approach to the extraction of herbicides and their metabolites from plant tissues. J. Agric. Food Chem. 37: 1302-1308.
  131. Khan, S.U., Behki, R.M., and Dumrugs, B. 1989. Fate of bound 14C residues in soil as affected by repeated treatment of prometryn. Chemosphere 18: 2155-2160.
  132. Behki, R.M. and Khan, S.U. 1990. Degradation of [1-14C-propyl] EPTC (S-ethyl-N, N-dipropylthiocarbamate) by a soil bacterial isolate. Chemosphere 21, 1457-1463.
  133. Gamble, D.S. and Khan, S.U. 1990. Atrazine in organic soil. Chemical speciation during heterogeneous catalysis. J. Agric. Food Chem. 38: 297-308.
  134. Khan, S.U. and Behki, R.M. 1990. Effect of Pseudomonas species on the release of bound 14C residues from soil treated with [14C] atrazine. J. Agric. Food Chem. 38: 2090-2093.
  135. Khan, S.U., Kacew, S., and Akhtar, M.H. 1990. Bound 14C residues in stored wheat treated with [14C] deltamethrin and their bioavailability in rats. J. Agric. Food Chem. 38: 1077-1082.
  136. Nelson, S.D. and Khan, S.U. 1990. Effect of endomycorrhizae on the bioavailability of bound 14C residues to onion plants from an organic soil treated with [14C] fonofos. J. Agric. Food Chem. 38: 894-898.
  137. Khan, S.U. 1991. "Bound Pesticide Residues", FAO/IAEA Laboratory Training Manual on the Use of Nuclear and Associated Techniques in Pesticide Research, IAEA, Vienna. Tech. Report Ser. 329, pp. 194-205.
  138. Behki, R.M., and Khan, S.U. 1991. Inhibitory effect of parathion on the bacterial degradation of EPTC. J. Agric. Food Chem. 39: 805-808.
  139. Khan, S.U. 1991. Bound (nonextractable) pesticide degradation products in soils. ACS symposium series 459. p. 108-121.
  140. Behki, R.M. and Khan, S.U. 1991. Degradation of [1-14C-propyl] - EPTC (S-ethyl dipropylthiocarbamate) by a soil bacterial isolate. Chemosphere 21: 1457-1463.
  141. Akhtar, M.H., Khan, S.U. and Kacew, S. 1992. Bioavailability of bound pesticide residues and potential toxicological consequences. Proc. Soc. Exper. Biol. & Medicine 37: 13-21.
  142. Nelson, S.D. and Khan, S.U. 1992. Uptake of atrazine by hyphae of Glomus vesicular-arbuscular mycorrhizae and root system of corn (zea mays L.) Weed Science 40: 161-170.
  143. Khan, S.U., Kacew, S. and Matthews, W. 1992. Bioavailability to rats of Bound [14C] pirimiphos-methyl in stored wheat. J. Environ. Sci. Health, B27(4): 355-367.
  144. Smith, W.N., Prasher, S.O., Khan, S.U. and Barthakur, N.N. 1992. Leaching of 14C radiolabelled atrazine in long, intact soil column. Trans. ASAE, 35(4): 1213-1220.
  145. Singh, K., Ocampo, P., Akhtar, M.H., Kacew, S. and Khan, S.U. 1992. Bioavailability in rats of bound residues present in liver and intestine of chickens feed diet treated with 3-phenoxybenzoic acid. Chemosphere, 24(6): 745-752.
  146. Gamble, D.S. and Khan, S.U. 1992. Atrazine in mineral soil: chemical species and catalysed hydrolysis. Can. J. Chem. 70: 1597-1603.
  147. Dupont, S. and Khan, S.U. 1992. Bound (nonextractable) 14C residues in soybean treated with [14C] metribuzin. J. Agric. Food Chem. 40(5): 890-893.
  148. Khan, S.U., Schnitzer, M. and Schulten, H. 1993. Fate of deltamethrin after nine years of incubation in an organic soil under laboratory conditions. J. Agric. Food. Chem. 41:1143-1151.
  149. Singh, K., Khan, S.U., Akhtar, M.H., Kacew, S. and White, N.D.G. 1993. Nature and bioavailability of nonextractable (bound) residues in stored wheat treated with chlorpyrifos-methyl. J. Agr. Food Chem. 41:2421-2425.
  150. Dupont, S. and Khan, S.U. 1993. Bound and extractable 14C residues in canola (Brassica napus) plants treated with radiolabelled atrazine. Weed Res. 33: 9-46.
  151. Gilchrist, G.F.R., Gamble, D.S., Kodama, H. and Khan, S.U. 1993. Atrazine interaction with clay minerals: Kinetics and equilibrium of sorption. J Agric. Food Chem. 41: 1748-1755.
  152. Raju, G.S., Millette, J.A., and Khan, S.U. 1993. Pollution potential of selected pesticides in soils. Chemosphere. 26: 1429-1442.
  153. Khan, S. U. 1994. Bound pesticide residues in food products. AgriScience, December 1994/January 1995. 12-13.
  154. Masse, L., Prasher, S.O., Khan, S.U., Arjoon, D.S. and Barrington, S. 1994. Leaching of metolachlor, atrazine, and atrazine metabolites into ground water. Trans. ASAE. 37: 801-806.
  155. Ostiz, S.B. and Khan, S.U. 1994. Nonextractable (bound) residues of cypermethrin in soils. Bull. Environ. Contam. Toxicology. 53: 907-912.
  156. Gustave, A. Bitsi, Singh, K., Khan, S.U. Akhtar, M.H., Kacew, S. and White, N.D.G. 1994. Fate of wheat bound malathion residues in rats during gestation. Chemosphere, 29: 451-455.
  157. Topp, E., Smith, W.N., Reynolds, W.D. and Khan, S.U. 1994. Atrazine and metolachlor dissipation in soils incubated in undisturbed cores, repacked cores and flasks. J. Environ. Quality, 23 : 693-700.
  158. Behki, R.M. and Khan, S.U. 1994. Degradation of atrazine, propazine, and simazine by Rhodococcus strain B-30. J. Agric. Food Chem. 42: 1237-1241.
  159. Paquet, A. and Khan, S.U. 1995. Release of covalently bound metabolites of organophosphate pesticides from synthetic dialkyl phosphoseryl peptides by supercritical fluid extraction. J. Aric. Food Chem. 43: 843-848.
  160. Khan, S.U. 1995. Supercritical Fluid Extraction of bound pesticide residues from soil and food commodities. J.Agric. Food Chem. 43:1718-1723.
  161. Wigfield, Y.Y., Selwyn, J., Khan, S.U. and McDowell, R. 1996. Comparison of supercritical fluid extraction and solvent extraction of twenty-two organochlorine pesticides from eggs. Chemosphere 32: 841-847.
  162. Mathew, R and Khan, S. U. 1997. Photodegradation of metolachlor in water in the presence of soil minerals and organic constituents. J. Agric. Food Chem.44: 3996-4000.
  163. Mathew, R., Nelson, S and Khan, S.U. 1996. Transformation products distribution of atrazine in corn plants treated with radiolabelled herbicide. Chemosphere  33: 2395-2402.
  164. Tiryaki, O., Gozek, K and Khan, S.U. 1997. 14C-Residues of Trifluralin in a soil and their uptake by carrots. Bull. Environ. Contam. Toxicol., 59: 58-64 (1997).
  165. Celi, L., M. Gennari, M., Khan, S.U. and Schnitzer, M. 1997. Mechanisms of acifluorfen interaction with humic acid. Soil Sci. Soc. Am. J. 61: 1659-1665.
  166. Celi, L., Gennari, M., M. Schnitzer and Khan, S. U. 1997. Extractable and nonextractable (bound) residues of acifluorfen in an organic soil. J. Agric. Food Chem. 45: 3677 – 3680.
  167. Mathew, R., Kacew, S. and Khan, S.U. 1998. Bioavailability in rats of bound pesticide residues from tolerant or susceptible varieties of soybean and canola treated with metribuzin or atrazine. Chemosphere, 36: 589-596
  168. Negeri, B.O., Foster, G.D. and Khan, S.U. 2000. Determination of chlorothalonil residues in coffee. J. Toxic. Environ. Chem. 77: 41-47.
  169. Gebreegzi, Y.T., Foster, G.D. and Khan, S.U. 2000. Simultaneous determination of carbaryl, malathion, fenitrothion, and diazinon residues in sesame seeds (sesamum  indicum L.). J. Agric. Food Chem. 48: 5165-5168.
  170. Behki, R. and Khan, S. U. 2001. Impact of long term application of atrazine on soil properties and bound residues formation. Proceedings IAEA, 1248: 37-42.
  171. Diagne, R. G., Foster, G. D. and Khan, S. U. 2002. Comparison of Soxhlet and microwave extraction-assisted extraction for the determination of fenitrothion residues in beans. J. Agric. Food Chem. 50: 3204-3207.
  172. Singh, B. S., Foster, G. D. and Khan, S. U. 2004. Microwave-assisted extraction for the simultaneous determination of thiamethoxam, imidacloprid, and carbendazium residues in fresh and cooked vegetable samples. J. Agric. Food Chem. 52: 105-109.
  173. Xu,Y, Wang, Z, Ke, R and Khan, S.U. 2005. Accumulation of organochlorine pesticides from water using triolein embedded cellulose acetate membrane. Environ. Sci. Technol. 39: 1152-1157.
  174. Pei, Z-G., Shan, X-Q., Liu, T., Xie, Y-N., Wen, B., Zhang, S and Khan, S.U. 2005. Effect of copper on the adsorption of p-nitrophenol onto Soils. Environmental Pollution 139:541-549.
  175. Ke, R., Xu, Y., Wang, Z and Khan, S.U. 2006. Estimation of the uptake rate constant for polycyclic aromatic hydrocarbons accumulated by semipermeable membrane devices and triolein-embadded cellulose acetate membranes. Environ. Sci. Technol. 40: 3906-3911.
  176. Pei, Z-G., Shan, X-Q., Liu, T., Xie, Y-N., Wen, B., Zhang, Zhang and Khan ,S.U. 2006. Sorption of p-nitrophenol on two Chinese soils as affected by copper. Environmental Toxicology and Chemistry. 25: 2584-2592.
  177. Arikan, O.A., Sikora, L.J., Mulbry, W.and Khan, S.U., Rice and Foster, G.D. 2007. Composting rapidly reduces levels of extractable oxytetracycline in manure from therapeutically treated beef calves.Bioresources Technology. 98: 169-176.
  178. Singh, S.B., Foster, G. D. and Khan, S. U. 2007. Determination of thiophanate methyl and carbendazim residues in vegetable samples using microwave-assisted extraction. Journal of Chromatography, A, 1148: 152-157.
  179. Pei, Z-G., Shan, X-Q., Liu, T., Xie, Y-n., Wen, B., Zhang, S. and Khan, S. U. 2007. Effect of lead on the sorption of 2,4,6-trichlorophenol on soil and peat. Environ. Pollution, 147: 764-770.
  180. Wen, B., Zhang, J-J., Zhang, S-Z., Shan, X-Q.and Khan, S. U., and Xing, B. 2007. Phenanthrene sorption to soil humic acid and different humin fractions. Environ. Sci. Technol., 41: 3165-3171.
  181. Ke, R., Wang, Z., Huang, S. and Khan, S.U. 2007.Accurate quantification of freely dissolved organochlorine pesticides in water in the presence of dissolved organic matter using triolein-embedded cellulose acetate membrane. Anal. Bioanal. Chem. 387: 2871-2879.
  182. Baboshin, M., Akimov, V.,  Baskunov, B., Born, T.L., Khan, S.U., and Golovleva, L. 2008. Conversion of polycyclic aromatic hydrocarbons by Sphingomonas sp. VKM B-2434. Biodegradation,19: 567-576.
  183. Chen,S., Ke, R., Zha, J., Wang, Z. and Khan, S.U. 2008. Influence of humic acid on bioavailability and toxicity of benzo[k]fluoranthene to Japanese medaka. Environ. Sci. Technol. 42(24):9431-9436.
  184. Chen, G-C, Shan, X-Q, Zhou, Y-Q, Shen, X-E, Huang, H-L, Khan, S.U. 2009. Adsorption kinetics, isotherms and thermodynamics of atrazine on surface oxidized multiwalled carbon nanotubes. Journal of Hazardous Materials, 169:912-918.
  185. Eljack, M.D, Wilson, R.E., Hussam, A and Khan, S.U. 2015.Development of an equilibrium headspace gas chromatographic method for the measurement of noncovalent association and partitioning of n-alkylbenzenes at infinite dilution in fulvic acid pseudophase. Journal of Chromatography, A, 1383:1-7.

 

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