Journal Articles

91. Scalet, J. M., Sprouse, P.A. Schroeder, J. A., Dittmer,N, Kramer, K.J., Kanost, M. R., Gehrke, S. H. "Temporal changes in the physical and mechanical properties of beetle elytra during maturation" Acta Biomaterialia,141, 457-467 (2022) DOI: 10.1016/j.actbio.2022.07.059

90. Scalet, J. M., Suekama, TC, Jeong, J. Gehrke, S.H. Enhanced Mechanical Properties by Ionomeric Complexation in Interpenetrating Network Hydrogels of Hydrolyzed Poly (N-vinyl Formamide) and Polyacrylamide, Gels, 7 (3), (2021) doi: 10.3390/gels7030080

89. Basu, S., Johl, R., Pacelli, S., Gehrke, S., & Paul, A. Fabricating Tough Interpenetrating Network Cryogels with DNA as the Primary Network for Biomedical Applications. ACS Macro Letters, 9(9), 1230-1236(2020) doi:10.1021/acsmacrolett.0c00448

88. Townsend, J. M., Beck, E. C., Gehrke, S. H., Berkland, C. J., & Detamore, M. S. Flow behavior prior to crosslinking: The need for precursor rheology for placement of hydrogels in medical applications and for 3D bioprinting. Progress in Polymer Science 91, 126-140(2019) doi:10.1016/j.progpolymsci.2019.01.003 ISSN: 0079-6700

87. Townsend, J. M., Andrews, B. T., Feng, Y., Wang, J., Nudo, R. J., Van Kampen, E., Gehrke, S. H., Berkland, C. J., & Detamore, M. S. Superior calvarial bone regeneration using pentenoate-functionalized hyaluronic acid hydrogels with devitalized tendon particles. Acta Biomaterialia, 71, 148-155(2018) doi:10.1016/j.actbio.2018.02.013

86. Vaclaw, M. C., Sprouse, P. A., Dittmer, N. T., Ghazvini, S., Middaugh, C. R., Kanost, M. R., Gehrke, S. H., & Dhar, P. Self-Assembled Coacervates of Chitosan and an Insect Cuticle Protein Containing a Rebers-Riddiford Motif. Biomacromolecules, 19(7), 2391-2400. (2018) doi:10.1021/acs.biomac.7b01637

85. Van Kampen, E., Vandervelden, C., Fakhari, A., Qian, J., Berkland, C., & Gehrke, S. H. Design of Hollow Hyaluronic Acid Cylinders for Sustained Intravitreal Protein Delivery. Journal of Pharmaceutical Sciences, 107(9), 2354-2365. (2018) doi:10.1016/j.xphs.2018.04.024

84. Xiao Y, Rennerfeldt D, Friis EA, Gehrke SH, Detamore MS, “Evaluation of apparent fracture toughness of articular cartilage and hydrogels,” Journal of Tissue Engineering and Regenerative Medicine, 11(1), 121-128 (2017) DOI: 10.1002/term.1892

83. Pacelli S; Maloney R; Chakravarti AR; Whitlow J; Basu S; Modaresi S; Gehrke SH; Paul A, “Controlling adult stem cell behavior using nanodiamond-reinforced hydrogel: implication in bone regeneration therapy,” Scientific Reports, 7(1), 6577 (2017) DOI: 10.1038/s41598-017-06028-y

82. Ott, L.M.; Zabel, T.A.; Walker, NK; Farris, A.L.; Chakroff, J.T.; Ohst, D.G.; Johnson, J.K.; Gehrke, S. H.; Weatherly, R.A.; Detamore, M.S. Mechanical evaluation of gradient electrospun scaffolds with 3D printed ring reinforcements for tracheal defect repair. Biomedical Materials 11(2), Article 025020 (2016) DOI: 10.1088/1748-6041/11/2/025020

81. Beck, E. C.; Barragan, M.; Tadros, M. H.; Gehrke, S. H.; Detamore, M. S. Approaching the compressive modulus of articular cartilage with a decellularized cartilage-based hydrogel. Acta Biomaterialia 38, 94-105 (2016) DOI: 10.1016/j.actbio.2016.04.019

80. Beck, E. C.; Lohman, B. L.; Tabakh, D. B.; Kieweg, S. L.; Gehrke, S. H.; Berkland, C. J.; Detamore, M. S. Enabling Surgical Placement of Hydrogels Through Achieving Paste-Like Rheological Behavior in Hydrogel Precursor Solutions. Annals of Biomedical Engineering (2015). doi:10.1007/s10439-015-1277-8.

79. Khanlari, A.; Suekama, T. C.; Detamore, M. S.; Gehrke, S. H. "Structurally Diverse and Readily Tunable Photocrosslinked Chondroitin Sulfate Based Copolymers" J. Polym. Sci. B Polym. Phys. 2015, 53, 1070–1079.

78. Khanlari, A.; Schulteis, J. E.; Suekama, T. C.; Detamore, M. S.; Gehrke, S. H. "Designing Crosslinked Hyaluronic Acid Hydrogels with Tunable Mechanical Properties for Biomedical Applications" J. Appl. Polym. Sci. 2015, 132.

77. Beck, E. C.; Lohman, B. L.; Tabakh, D. B.; Kieweg, S. L.; Gehrke, S. H.; Berkland, C. J.; Detamore, M. S. "Enabling Surgical Placement of Hydrogels Through Achieving Paste-Like Rheological Behavior in Hydrogel Precursor Solutions" Ann Biomed Eng. 2015, 2569–2576.

76. Ingavle, G. C.; Gehrke, S. H.; Detamore, M. S. "The Bioactivity of Agarose PEGDA Interpenetrating Network Hydrogels with Covalently Immobilized RGD Peptides and Physically Entrapped Aggrecan" Biomaterials 2014, 35, 3558–3570.

75. Khanlari, A.; Suekama, T. C.; Detamore, M. S.; Gehrke, S. H. "Mimicking the Extracellular Matrix: Tuning the Mechanical Properties of Chondroitin Sulfate Hydrogels by Copolymerization with Oligo(ethylene Glycol) Diacrylates" MRS Proceedings 2014, 1622, 189–195.

74. Lomakin, J.; Sprouse, P. A.; Detamore, M. S.; Gehrke, S. H. "Effect of Pre-Stress on the Dynamic Tensile Behavior of the TMJ Disc" J. Biomech. Eng. Trans. ASME 2014, 136 (1), 011001-1–011001-8.

73. Suekama, T. C.; Khanlari, A.; Gehrke, S. H. "Tuning Mechanical Properties of Chondroitin Sulfate-Based Hydrogels Using the Double-Network Strategy" MRS Proceedings 2014, 1622, 79–84.

72. Xiao, Y.; Rennerfeldt, D.; Friis, E. A.; Gehrke, S. H.; Detamore, M. S. "Evaluation of Apparent Fracture Toughness of Articular Cartilage and Hydrogels" J. Tissue Eng. Regen. Med. 2014. Epub ahead of print.

71. Ingavle, G. C.; Frei, A. W.; Gehrke, S. H.; Detamore, M. S. Incorporation of Aggrecan in Interpenetrating Network Hydrogels to Improve Cellular Performance for Cartilage Tissue Engineering. Tissue Engineering Part A 2013, 19, 11–12.

70. Khanlari, A.; Detamore, M. S.; Gehrke, S. H. Increasing Cross-Linking Efficiency of Methacrylated Chondroitin Sulfate Hydrogels by Copolymerization with Oligo(Ethylene Glycol) Diacrylates. Macromolecules 2013, 46 (24), 9609–9617.

69. Rennerfeldt, D. A.; Renth, A. N.; Talata, Z.; Gehrke, S. H.; Detamore, M. S. Hierarchically Designed Agarose and Poly(ethylene Glycol) Interpenetrating Network Hydrogels for Cartilage Tissue Engineering. Biomaterials 2013, 34 (33), 8241–8257.

68. Suekama, T. C.; Hu, J.; Kurokawa, T.; Gong, J. P.; Gehrke, S. H. Double-Network Strategy Improves Fracture Properties of Chondroitin Sulfate Networks. ACS Macro Letters 2013, 2 (2), 137–140.

67. Suekama, T. C.; Aziz, V.; Mohammadi, Z.; Berkland, C.; Gehrke, S. H. Synthesis and Characterization of Poly(N-Vinyl Formamide) Hydrogels—A Potential Alternative to Polyacrylamide Hydrogel. J Polymer Science: Part A Polymer Chemistry 2013, 51 (2), 435–445.

66. Suekama, T. C.; Hu, J.; Kurokawa, T.; Gong, J. P.; Gehrke, S. H. Tuning Mechanical Properties of Chondroitin Sulfate-Based Double-Network Hydrogels. Macromolecular Symposia 2013, 329 (1), 9–18.

65. Xiao, Y.; Friis, E. A.; Gehrke, S. H.; Detamore, M. S. Mechanical Testing of Hydrogels in Cartilage Tissue Engineering: Beyond the Compressive Modulus. Tissue Engineering Part B 2013, 19 (5), 403–412.

64. Rennerfeldt, D. A.; Renth, A. N.; Talata, Z.; Gehrke, S. H.; Detamore, M. S. Tuning Mechanical Performance of Poly(ethylene Glycol) and Agarose Interpenetrating Network Hydrogels for Cartilage Tissue Engineering. Biomaterials 2013, 34 (33), 8241–8257. doi:10.1016/j.biomaterials.2013.07.052. ISSN: 0142-9612.

63. Arakane, Y.; Lomakin, J.; Gehrke, S. H.; Hiromasa, Y.; Tomich, J. M.; Muthukrishnan, S.; Beeman, R. W.; Kramer, K. J.; Kanost, M. R. Formation of Rigid, Non-Flight Forewings (Elytra) of a Beetle Requires Two Major Cuticular Proteins. PLOS Genetics 2012, 8 (4), 612–622.

62. Ingavle, G. C.; Dormer, N. H.; Gehrke, S. H.; Detamore, M. S. Using Chondroitin Sulfate to Improve the Viability and Biosynthesis of Chondrocytes Encapsulated in Interpenetrating Network (IPN) Hydrogels of Agarose and Poly(ethylene Glycol) Diacrylate. J. Mater. Sci.: Materials in Medicine 2012, 23 (1), 157–170.

61. Lomakin, J.; Eichler, C.; Arakane, Y.; Kramer, K. J.; Beeman, R. W.; Kanost, M. R.; Gehrke, S. H. Mechanical Properties of the Beetle Elytron, a Biological Composite Material. Biomacromolecules 2011, 12 (2), 321–335.

60. Mohammadi, Z.; Xie, S., X.; Golub, A. L.; Gehrke, S. H.; Berkland, C. Siderophore-Mimetic Hydrogel for Iron Chelation Therapy. J Applied Polymer Science 2011, 121 (3), 1384–1392.

59. DeKosky, B. J.; Dormer, N. H.; Ingavle, G. C.; Roatch, C. H.; Lomakin, J.; Detamore, M. S.; Gehrke, S. H. Hierarchically Designed Agarose and Poly(ethylene Glycol) Interpenetrating Network Hydrogels for Cartilage Tissue Engineering. Tissue Engineering C 2010, 16 (6), 1533–1542.

58. Lomakin, J.; Arakane, Y.; Beeman, R. W.; Kramer, K. J.; Kanost, M. R.; Gehrke, S. H. Mechanical Properties of Elytra from Tribolium Castaneum Wild-Type and Body Color Mutant Strains. Journal of Insect Physiology 2010, 56 (12), 1901–1906.

57. DeKosky, B. J.; Dormer, N. H.; Ingavle, G. C.; Roatch, C. H.; Lomakin, J.; Detamore, M. S.; Gehrke, S. H. Hierarchically Designed Agarose and Poly(ethylene Glycol) Interpenetrating Network Hydrogels for Cartilage Tissue Engineering. Tissue engineering. Part C, Methods 2010, 16 (6), 1533–1542. doi:10.1089/ten.tec.2009.0761. ISSN: 1937-3384.

56. Lomakin, J.; Arakane, Y.; Kramer, K. J.; Beeman, R. W.; Kanost, M. R.; Gehrke, S. H. Mechanical Properties of Elytra from Tribolium Castaneum Wild-Type and Body Color Mutant Strains. Journal of insect physiology 2010, 56 (12), 1901–1906. doi:10.1016/j.jinsphys.2010.08.012. ISSN: 0022-1910.

55. Arakane, Y.; Lomakin, J.; Beeman, R. W.; Muthukrishnan, S.; Gehrke, S. H.; Kanost, M. R.; Kramer, K. J. Molecular and Functional Analyses of Amino Acid Decarboxylases Involved in Cuticle Tanning in Tribolium Castaneum. Journal of Biological Chemistry 2009, 284 (24), 16584–16594.

54. Arakane, Y.; Lomakin, J.; Beeman, R. W.; Muthukrishnan, S.; Gehrke, S. H.; Kanost, M. R.; Kramer, K. J. Molecular and Functional Analyses of Amino Acid Decarboxylases Involved in Cuticle Tanning in Tribolium Castaneum. The Journal of biological chemistry 2009, 284 (24), 16584–16594. doi:10.1074/jbc.M901629200. ISSN: 0021-9258.

53. Snider, G. R.; Lomakin, J.; Singh, M.; Gehrke, S. H.; Detamore, M. S. Regional Dynamic Tensile Properties of the TMJ Disc. 2008, 87 (11), 1053–1057.

52. Hart, D. S.; Gehrke, S. H. Thermally Associating Polypeptides Designed for Drug Delivery Produced by Genetically Engineered Cells. Journal of Pharmaceutical Sciences 2007, 96, 484–516.

51. D’Souza, A. J. M.; Hart, D. S.; Middaugh, C. R.; Gehrke, S. H. Characterization of the Changes in Secondary Structure and Architecture of Elastin-Mimetic Triblock Polypeptides During Thermal Gelation. Macromolecules 2006, 39, 7084–7091.

50. Zhong, Z.; Sun, S. X.; Hagan, S. A.; Gehrke, S. H. Soy Protein Isolate/Polycaprolactone Blends: Compatibility Reactions and Water Absorption Mechanisms. Transactions of the American Society of Agricultural Engineers 2005, 48, 1281–1286.

49. Hinkley, J. A.; Morgret, L. D.; Gehrke, S. H. Tensile Tests of Two Responsive Hydrogels. Polymer 2004, 45, 8837–8843.

48. Kato, N.; Gehrke, S. H. Microporous, Fast Response Cellulose Ether Hydrogel Prepared by Freeze-Drying. Colloids and Surfaces B-Biointerfaces 2004, 38, 191–196.

47. Oliveira, E. D.; Hirsch, S. G.; Spontak, R. J.; Gehrke, S. H. Influence of Polymer Conformation on the Modulus and Morphology of Polyallylamine and Poly(α-L-Lysine) Hydrogels. Macromolecules 2003, 36, 6189–6201.

46. Zheng, J.; Balasundaram, R.; Gehrke, S. H.; Heffelfinger, G. S.; Goddard, W. A., III; Jiang, S. Cell Multipole Method for Molecular Simulations in Bulk and Confined Systems. Journal of Chemical Physics 2003, 118, 5347–5355.

45. Gehrke, S. H.; Erickson, L. E. Chemical Engineering at Kansas State University. 2002, 36, 2–7.

44. Gehrke, S. H. Essay: Where Technology Meets Theology. Logia: A Journal of Lutheran Theology 2002, 9, 60–62. (Invited)

43. Putka, C. S.; Gehrke, S. H.; Willis, M.; Strafford, D.; Bryant, J. Recovery and Separation of Cell Lysate Proteins Using Hydrogels, Guided by Aqueous Two Phase Extraction Principles. Biotechnology & Bioengineering 2002, 80, 139–143.

42. Zhang, Q.; Zheng, J.; Shevade, A.; Zhang, L.; Gehrke, S.; Heffelfinger, G. S.; Jiang, S. Transport Diffusion of Liquid Water and Methanol Through Membranes. Journal of Chemical Physics 2002, 117, 808–818.

41. O’Connor, S. M.; Gehrke, S. H. Particle Growth Analysis as a Characterization Method for Gel Particles Produced in Suspension Reactors. Polymer 2001, 42, 1541–1546.

40. Zhang, L. Z.; Balasundaram, R.; Gehrke, S. H.; Jiang, S. Y. Nonequilibrium Molecular Dynamics Simulations of Confined Fluids in Contact with the Bulk. Journal of Chemical Physics 2001, 114, 6869–6877.

39. O’Connor, S. M.; DeAnglis, A. P.; Gehrke, S. H.; Retzinger, G. S. Adsorption of Plasma Proteins onto Poly(ethylene oxide)/Poly(propylene Oxide) Triblock Copolymer Films. A Focus on Fibrinogen. Biotechnol Appl Biochem. 2000, 31, 185–196.

38. Oliveira, É. D.; Gehrke, S. H. Influence of Network Conformation on Properties of Poly(Amino Acid) Hydrogels. Polym. Prepr 2000, 41, 745–746.

37. O’Connor, S. M.; Deanglis, A. P.; Gehrke, S. H.; Retzinger, G. S. Adsorption of Plasma Proteins on to Poly(ethylene Oxide)/poly(propylene Oxide) Triblock Copolymer Films: a Focus on Fibrinogen. Biotechnology and applied biochemistry 2000, 31 ( Pt 3), 185–196. ISSN: 0885-4513.

36. O’Connor, S. M.; Gehrke, S. H.; Retzinger, G. Ordering of Poly(ethylene oxide)/Poly(propylene Oxide) Triblock Copolymers in Condensed Films. Langmuir 1999, 15, 2580–2585.

35. Gehrke, S. H.; Lyu, L. H.; Barnthouse, K. Dewatering Fine Coal Slurries by Gel Extraction. Separation Science & Technology 1998, 33, 1467–1485.

34. Gehrke, S. H.; Uhden, L.; McBride, J. M. Enhanced Loading and Activity Retention in Hydrogel Delivery Systems. J. Controlled Release 1998, 55, 21–33.

33. Gehrke, S. H.; Vaid, N.; McBride, J. M. Protein Sorption and Recovery by Hydrogels Using Principles of Two Aqueous Phase Protein Extraction. Biotechnology & Bioengineering 1998, 58, 416–427.

32. Gehrke, S. H. Review Essay: Bioethics: A Primer for Christians by Gilbert Meilaender. Logia: A Journal of Lutheran Theology 1998, 7, 57–60. (Invited)

31. Kabra, B.; Gehrke, S. H.; Spontak, R. Microporous Responsive HPC Gels 1. Synthesis and Microstructure. Macromolecules 1998, 31, 2166–2173.

30. Reynolds, T. D.; Gehrke, S. H.; Hussain, A. S.; Shenouda, L. S. Polymer Erosion and Drug Release Characterization of Hydroxypropyl Methylcellulose Matrices. J. Pharmaceutical Sciences 1998, 87, 1115–1123.

29. Gehrke, S. H.; Uhden, L. H.; McBride, J. F. Enhanced Loading and Activity Retention of Bioactive Proteins in Hydrogel Delivery Systems. Journal of controlled release 1998, 55 (1), 21–33. ISSN: 0168-3659.

28. Gehrke, S. H.; Vaid, N. R.; McBride, J. F. Protein Sorption and Recovery by Hydrogels Using Principles of Aqueous Two-Phase Extraction. Biotechnology and bioengineering 1998, 58 (4), 416–427. ISSN: 0006-3592.

27. O’Connor, S. M.; Patuto, S. J.; Gehrke, S. H.; Retzinger, G. S. Fibrinogen-Dependent Adherence of Macrophages to Surfaces Coated with Poly(ethylene Oxide)/poly(propylene Oxide) Triblock Copolymers. Annals of the New York Academy of Sciences 1997, 831, 138–144. ISSN: 0077-8923. (Invited)

26. Gehrke, S. H.; Palasis, M.; Lund, M.; Fisher, J. Factors Determining Hydrogel Permeability. Annals of the New York Academy of Sciences 1997, 831, 179–207. (Invited)

25. Gehrke, S. H.; McBride, J. F.; O’Connor, S. M.; Zhu, H.; Fisher, J. P. Gel-Coated Catheters as Drug Delivery Systems. Polym. Mat. Sci. Eng 1997, 76, 234–235.

24. O’Connor, S. M.; Gehrke, S. H.; Patuto, S.; Retzinger, G. Macrophage Adherance to Polystyrene Beads Coated with Pluronic® Block Copolymers. Annals of the New York Academy of Sciences 1997, 831, 138–144. (Invited)

23. O’Connor, S. M.; Gehrke, S. H. Synthesis and Characterization of Temperature-Sensitive HPMC Gel Spheres. J. Appl. Polym. Sci. 1997, 66, 1279–1290.

22. O’Connor, S. M.; Gehrke, S. H.; Patuto, S.; Retzinger, G. The Adsorption and Functionality of Fibrinogen on Hydrophobic Surfaces Modified with PEO/PPO/PEO Block Copolymers. Polym. Prepr 1997, 38, 559–560.

21. O’Connor, S. M.; Patuto, S.; Gehrke, S. H.; Retzinger, G. Influence of Co-Adsorbed Surfactants on the Adsorption and Coagulability of Fibrinogen on Hydrophobic Surfaces: Development of a Model System. FASEB J 1996, 10, 3252.

20. Cheng, C.-L.; Gehrke, S. H.; Ritschel, W. A. Development of an Azopolymer Based Colonic Release Capsule for Delivering Proteins/Macromolecules. Methods and Findings in Experimental and Clinical Pharmacology 1994, 16, 271–278.

19. Gehrke, S. H.; Biren, D.; Hopkins, J. Evidence for Fickian Water Transport in Initially Glassy Poly(2-Hydroxyethyl Methacrylate). J. Biomaterials Science, Polymer Edition 1994, 6, 375–390.

18. Rate Limiting Steps for Sorption by Microporous Stimuli-Sensitive Absorbent Gels. Polym. Mat. Sci. Eng 1994, 69, 533–534.

17. Biren, D.; Kabra, B.; Gehrke, S. H. Effect of Initial Sample Anisotropy on the Solvent Sorption Kinetics of Glassy Poly(2-Hydroxyethyl Methacrylate. Polymer 1992, 33, 554–561.

16. Gehrke, S. H.; Palasis, M.; Akhtar, M. K. Effect of Synthesis Conditions on Properties of Poly(N-Isopropylacrylamide) Gels. Polymer International 1992, 29, 29–36.

15. Kabra, B.; Akhtar, M. K.; Gehrke, S. H. Volume Change Kinetics of Temperature-Sensitive Poly(vinylmethylether) Gel. Polymer 1992, 33, 990–995.

14. Palasis, M.; Gehrke, S. H. Permeability of Temperature Sensitive Gels. Journal of Controlled Release 1992, 18, 1–12.

13. Gehrke, S. H.; Johnson, J. F.; Robeson, J.; Vaid, N. Protein Separation by Selective Gel Sorption. Biotechnology Progress 1991, 7, 355–358.

12. Gehrke, S. H.; Pratsinis, S. E. Third Conference on Emerging Technologies in Materials. Chemical Engineering Progress, AIChE Extra 1991, 87 (7), 6. (Invited)

11. Harsh, D. C.; Gehrke, S. H. Controlling the Swelling Characteristics of Temperature-Sensitive Cellulose Ether Hydrogels. J. Controlled Release 1991, 17, 175–186.

10. Kabra, B.; Gehrke, S. H.; Hwang, S. T.; Ritschel, W. Modification of the Dynamic Swelling Behavior of PHEMA. J. Appl. Polym. Sci. 1991, 42, 2409–2416.

9. Kabra, B.; Gehrke, S. H. Synthesis of Fast Response Poly(N-Isopropylacrylamide) Gels. Polymer Communications 1991, 32, 322–323.

8. Gehrke, S. H.; Robeson, J.; Johnson, J. F.; Vaid, N. Protein Isolation by Solution-Controlled Gel Sorption. Biotechnology progress 1991, 7 (4), 355–358. doi:10.1021/bp00010a010. ISSN: 8756-7938.

7. Ritschel, W. A.; Sabouni, A.; Gehrke, S. H.; Hwang, S. T. Permeability of 3H-Water Across a Porous Polymer Matrix Used as a Rate-Limiting Shell in Compression-Coated Tablets. J. Controlled Release 1990, 12, 97–102.

6. Gehrke, S. H.; Cussler, E. L. Mass Transfer in pH-Sensitive Hydrogels. Chem. Eng. Sci. 1989, 44, 559–566.

5. Gehrke, S. H. Sessions on Polymer Gels. Biotech. Prog. 1989, 5, M10–M11.

4. Gehrke, S. H.; Lyu, L. H.; Yang, M. C. Swelling, Shrinking, and Solute Permeation of Temperature-Sensitive N-Isopropylacrylamide Gel. Polym. Prepr 1989, 30, 482–483.

3. Kabra, B.; Gehrke, S. H. Hydrogels for Driving an Osmotic Pump. Polym. Prepr 1989, 30, 490–491.

2. Gehrke, S. H.; Andrews, G. P.; Cussler, E. L. Chemical Aspects of Gel Extraction. Chem. Eng. Sci. 1986, 41, 2153–2160.

1. Gehrke, S. H.; Wadsworth, W. S. Methanolysis of a Phosphate Triester: A Change in Mechanism with Acidity. J. Org. Chem. 1980, 45, 3921–3923.