Sumaryczny impact factor: 97.905

Liczba publikacji: 95

1. Picur Bolesław, Cebrat Marek, Zabrocki Janusz, Siemion Ignacy Z.
Cyclopeptides of Linum usitatissimum.
Journal of Peptide Science, 2006, 12, 569-574
IF: 1.801
10.1002/psc.779

2. Siemion Ignacy Z., Ślepokura Katarzyna, Gawłowska Monika, Biernat Monika
Chiroptical properties of the guanidine chromophore.
Polish Journal of Chemistry, 2005, 79, 401-412
IF: 0.513

3. Siemion Ignacy Z., Gawłowska Monika, Ślepokura Katarzyna, Biernat Monika, Wieczorek Zbigniew
The mimetics of antiadhesive peptides as the inhibitors of Mycobacterium kansasii phagocytosis.
Peptides, 2005, 26, 1543-1549
IF: 2.231
10.1016/j.peptides.2005.02.009

4. Siemion Ignacy Z., Kluczyk Alicja, Cebrat Marek
The peptide molecular links between the central nervous and the immune systems.
Amino Acids, 2005, 29, 161-176
IF: 2.172
10.1007/s00726-005-0231-8

5. Siemion Ignacy Z., Gawłowska Monika, Wieczorek Zbigniew
Mycobacterium kansasii phagocytosis inhibition by the oligopeptides derived from systemine, cecropin A and BRCT-1 protein sequences.
Polish Journal of Chemistry, 2004, 78, 1073-1079
IF: 0.64

6. Gawłowska Monika, Ślepokura Katarzyna, Wieczorek Zbigniew, Siemion Ignacy Z.
A new approach to the therapy of diseases induced by mycobacteria invasion.
Acta Poloniae Pharmaceutica, 2004, 61, 35-37

7. Szewczuk Zbigniew, Stefanowicz Piotr, Wilczyński Andrzej, Staszewska Anna, Siemion Ignacy Z., Zimecki Michał, Wieczorek Zbigniew
Immunosuppressory activity of ubiquitin fragments containing retro-RGD sequence.
Biopolymers, 2004, 74, 352-362
IF: 2.863
10.1002/bip.20084

8. Kluczyk Alicja, Cebrat Marek, Zbozień-Pacamaj Renata, Lisowski Marek, Stefanowicz Piotr, Wieczorek Zbigniew, Siemion Ignacy Z.
On the peptide-antipeptide interactions in interleukin-1 receptor system.
Acta Biochimica Polonica, 2004, 51, 57-66
IF: 1.032

9. Siemion Ignacy Z., Cebrat Marek, Kluczyk Alicja
The problem of amino acid complementarity and antisense peptides.
Current Protein and Peptide Science, 2004, 5, 507-527
IF: 3
10.2174/1389203043379413

10. Siemion Ignacy Z., Gawłowska Monika, Krajewski Krzysztof, Strug Iwona, Wieczorek Zbigniew
Analogs of RGDVY and GRGD peptides inhibit Mycobacterium kansasii phagocytosis.
Peptides, 2003, 24, 1109-1115
IF: 2.44

11. Siemion Ignacy Z., Wieczorek Zbigniew
Antiadhesive peptides as the inhibitors of mycobacterium kansasii phagocytosis.
Peptides, 2003, 24, 623-628
IF: 2.44

12. Ruchała Piotr, Picur Bolesław, Lisowski Marek, Cierpicki T., Wieczorek Zbigniew, Siemion Ignacy Z.
Synthesis, conformation, and immunosuppressive activity of CLX and its analogues.
Biopolymers, 2003, 70, 497-511
IF: 2.733

13. Kaczmarek K., Jankowski Stefan, Siemion Ignacy Z., Wieczorek Zbigniew, Benedetti Ettore, Di Lello P., Isernia C., Saviano M., Zabrocki Janusz
Tetrazole analogues of cyclolinopeptide A: synthesis, conformation, and biology.
Biopolymers, 2002, 63, 343-357
IF: 2.372

14. Kluczyk Alicja, Siemion Ignacy Z., Szewczuk Zbigniew, Wieczorek Zbigniew
The immunosuppressive activity of peptide fragments of vaccinia virus C10L protein and a hypothesis on the role of this protein in the viral invasion.
Peptides, 2002, 23, 823-834
IF: 2.635
10.1016/s0196-9781(02)00006-2.

15. Szewczuk Zbigniew, Wilczyński Andrzej, Petry Inga, Siemion Ignacy Z., Wieczorek Zbigniew
Design, synthesis and biological evaluation of a new bridged immunosuppressor.
Acta Biochimica Polonica, 2001, 48, 1147-1150
IF: 0.832

16. Szewczuk Zbigniew, Buczek Paweł, Stefanowicz Piotr, Krajewski Krzysztof, Wieczorek Zbigniew, Siemion Ignacy Z.
Immunosuppressory activity of the cyclodimeric peptide with RGD-sequences.
Acta Biochimica Polonica, 2001, 48, 121-130
IF: 0.832

17. Siemion Ignacy Z., Zbozień-Pacamaj Renata, Stefanowicz Piotr
New hypothesis on amino acid complementarity and its evaluation on TGF-β₂-related peptides.
Journal of Molecular Recognition, 2001, 14, 1-12
IF: 3.314
10.1002/1099-1352(200101/02)14:1<1::AID-JMR512>3.0.CO;2-P

18. Siemion Ignacy Z., Strug Iwona, Wyszko Eliza, Barciszewski Jan
On the peptides related to nucleotide sequences of archeal tRNAs.
Polish Journal of Chemistry, 2001, 75, 1449-1456
IF: 0.533

19. Krajewski Krzysztof, Lisowski Marek, Wieczorek Zbigniew, Siemion Ignacy Z.
Pro-Pro amide bond configuration and the immunosuppressive activity of cyclolinopeptide A.
Polish Journal of Chemistry, 2001, 75, 1441-1448
IF: 0.533

20. Krajewski Krzysztof, Ciunik Zbigniew, Siemion Ignacy Z.
Stereoisomers of 4-amino-3-hydroxy-1-cyclohexanecarboxylic acid and 4-amino-3-oxo-1-cyclohexanecarboxylic acid as mimetics of a twisted cis-amide bond.
Tetrahedron-Asymmetry, 2001, 12, 455-462
IF: 2.265
10.1016/S0957-4166(01)00062-3

21. Bell A., McSteen P. M., Cebrat Marek, Picur Bolesław, Siemion Ignacy Z.
Antimalarial activity of cyclolinopeptide a and its analogues.
Acta Poloniae Pharmaceutica, 2000, 57, 134-136

22. Siemion Ignacy Z., Cebrat Marek, Lisowski Marek
Further investigations on the optical activity of aromatic residues in cyclolinopeptide A analoques.
Polish Journal of Chemistry, 2000, 74, 955-964
IF: 0.575

23. Szewczuk Zbigniew, Wilczyński Andrzej, Dyba Marcin, Petry Inga, Siemion Ignacy Z., Wieczorek Zbigniew
New conformationally restricted analog of the immunosuppressory mini-domain of HLA-DQ and its biological properties.
Peptides, 2000, 21, 1849-1858
IF: 1.867

24. Kluczyk Alicja, Siemion Ignacy Z., Wieczorek Zbigniew
The "two-headed" peptide inhibitors of interleukin-1 action.
Peptides, 2000, 21, 1411-1420
IF: 1.867
10.1016/s0196-9781(00)00285-0

25. Krajewski Krzysztof, Ciunik Zbigniew, Siemion Ignacy Z.
c-4-amino-t-3-hydroxy-r-1-cyclohexanocarboxylic acid and c-4-amino-3-oxo-r-1-cyclohexanocarboxylic acid -mimetics of dipeptides with a twisted cis-amide bond.
Tetrahedron-Asymmetry, 1999, 10, 4591-4598
IF: 2.647
10.1016/S0957-4166(99)00534-0

26. Siemion Ignacy Z., Cebrat Marek, Wieczorek Zbigniew
Cyclolinopeptides and their analogs - a new family of peptide immunosuppressants affecting the calcineurin system.
Archivum Immunologiae et Therapiae Experimentalis, 1999, 47, 143-153

27. Szewczuk Zbigniew, Wilczyński Andrzej, Stefanowicz Piotr, Szeszel-Fedorowicz Wioletta, Siemion Ignacy Z., Wieczorek Zbigniew
Immunosuppressory mini-regions of HLA-DP and HLA-DR.
Molecular Immunology, 1999, 36, 525-533
IF: 2.076
10.1016/s0161-5890(99)00066-8

28. Siemion Ignacy Z., Strug Iwona, Wieczorek Zbigniew
Length of the peptide chain influences the immunomodulatory activity of peptides related to p53 protein.
Peptides, 1999, 20, 995-998
IF: 2.173

29. Siemion Ignacy Z., Kluczyk Alicja
Tuftsin: On the 30-year anniversary of Victor Najjar's discovery.
Peptides, 1999, 20, 645-674
IF: 2.173
10.1016/s0196-9781(99)00019-4

30. Picur Bolesław, Lisowski Marek, Siemion Ignacy Z.
A new cyclolinopeptide containing nonproteinaceous amino acid N-methyl-4-aminoproline. .
Letters in Peptide Science, 1998, 5, 183-187
IF: 0.557

31. Siemion Ignacy Z., Kluczyk Alicja, Wieczorek Zbigniew
Anti-IL-1 activity of peptide fragments of IL-1 family proteins.
Peptides, 1998, 19, 373-382
IF: 2.038
10.1016/s0196-9781(97)00324-0

32. Siemion Ignacy Z., Strug Iwona, Wieczorek Zbigniew
Peptides related to FKBP 39-45 loop possess immunostimulative potency.
Peptides, 1998, 19, 1479-1487
IF: 2.038

33. Stefanowicz Piotr, Zbozień Renata, Siemion Ignacy Z.
The new hypothesis on amino acid complementarity and its experimental proof.
Letters in Peptide Science, 1998, 5, 329-331
IF: 0.557
10.1007/BF02443480

34. Siemion Ignacy Z., Strug Iwona, Stefanowicz Piotr, Szewczuk Zbigniew
The problem of the biologically active conformation of thymopoietin.
Letters in Peptide Science, 1998, 5, 379-381
IF: 0.557
10.1007/BF02443490

35. Wieczorek Zbigniew, Kluczyk Alicja, Słoń Jacek J., Siemion Ignacy Z.
A hexapeptide VTKFYF from C-terminal part of interleukin-1 receptor antagonist, an inhibitor of IL- 1-IL-1 receptor interaction.
Polish Journal of Pharmacology, 1997, 49, 107-117

36. Kubik Aleksandra, Stefanowicz Piotr, Siemion Ignacy Z.
Conformational investigation on palindromic sequence of lactoferrin: DKFKD.
Polish Journal of Chemistry, 1997, 71, 63-68
IF: 0.468

37. Gaymes T. J., Cebrat Marek, Siemion Ignacy Z., Kay J. E.
Cyclolinopeptide A (CLA) mediates its immunosuppressive activity through cyclophilin-dependent calcineurin inactivation.
Febs Letters, 1997, 418, 224-227
IF: 3.504
10.1016/S0014-5793(97)01345-8

38. Szewczuk Zbigniew, Wieczorek Zbigniew, Stefanowicz Piotr, Wilczyński Andrzej, Siemion Ignacy Z.
Further investigations on thymopentin-like fragments of HLA-DQ and their analogues.
Archivum Immunologiae et Therapiae Experimentalis, 1997, 45, 335-341

39. Siemion Ignacy Z., Strug Iwona, Wysłouch-Cieszyńska Aleksandra, Nowak Elżbieta, Wieczorek Zbigniew
Immunomodulatory activity of G-actin fragments containing a thymopentin-like sequence.
Archivum Immunologiae et Therapiae Experimentalis, 1997, 45, 419-425

40. Kluczyk Alicja, Siemion Ignacy Z., Słoń Jacek J., Wieczorek Zbigniew
Immunomodulatory activity of oligopeptides related to interleukin 1 receptor antagonist sequence.
Archivum Immunologiae et Therapiae Experimentalis, 1997, 45, 427-433

41. Cebrat Marek, Lisowski Marek, Siemion Ignacy Z., Zimecki Michał, Wieczorek Zbigniew
Sulfonated analogues of cyclolinopeptide A. Synthesis, immunosuppressive activity and CD studies.
Journal of Peptide Research, 1997, 49, 415-420
10.1111/j.1399-3011.1997.tb00893.x

42. Cebrat Marek, Lisowski Marek, Siemion Ignacy Z., Wieczorek Zbigniew
The cyclolinopeptide A analogues with D-Phe, D-Tyr, and L- and D-Trp Residues.
Polish Journal of Chemistry, 1997, 71, 1401-1412
IF: 0.468

43. Siemion Ignacy Z., Strug Iwona, Szewczuk Zbigniew
The determination of thymopoietin conformation based on X-ray structure of a discontinous thymopoietin-like motif of G-actin.
Acta Biochimica Polonica, 1997, 44, 519-525
IF: 0.522

44. Szewczuk Zbigniew, Siemion Ignacy Z., Wieczorek Zbigniew
Immunological properties of the thymopentin-like fragments of HLA-DQ.
Molecular Immunology, 1996, 33, 903-908
IF: 1.837

45. Wieczorek Zbigniew, Zimecki Michał, Trojnar J., Siemion Ignacy Z.
Immunomodulatory activity of a potent thymopentin analog: disulphide bridged β-mercaptopropionyl-arginyl-lysyl-aspartyl-valyl-tyrosyl-cysteine amide.
Polish Journal of Pharmacology, 1996, 48, 31-38

46. Wieczorek Zbigniew, Słoń Jacek J., Siemion Ignacy Z.
Immunomodulatory activity of conformationally restricted peptides related to TGF-β2 90-99 sequence.
Archivum Immunologiae et Therapiae Experimentalis, 1996, 44, 209-214

47. Cebrat Marek, Wieczorek Zbigniew, Siemion Ignacy Z.
Immunosuppressive activity of hymenistatin I.
Peptides, 1996, 17, 191-196
IF: 1.816
10.1016/0196-9781(95)02123-x

48. Bolewska-Pędyczak Eleonora, Siemion Ignacy Z., Wieczorek Zbigniew
The immunomodulatory activity of peptides related to the DNA contacting loop of p53 protein.
Journal of Peptide Science, 1996, 2, 318-324

49. Szewczuk Zbigniew, Stefanowicz Piotr, Wilczyński Andrzej, Siemion Ignacy Z., Cierniewski C. S., Kralisz U., Wieczorek Zbigniew
The immunosuppressory and adhesive miniregion of the human major histocompatibility protein, human leukocyte antigen DQ.
Biopolymers, 1996, 40, 571-583
IF: 2.694
10.1002/(SICI)1097-0282(1996)40:5%3C571::AID-BIP15%3E3.0.CO;2-K

50. Siemion Ignacy Z., Stefanowicz Piotr
The presumable place of ornithine in an earlier genetic code.
Bulletin of the Polish Academy of Sciences. Chemistry, 1996, 44, 63-69
IF: 0.216

51. Saviano M., Rossi F., Filizola M., Isernia C., Di Blasio B., Benedetti Ettore, Pedone Carlo, Siemion Ignacy Z., Pędyczak Artur
Bioactive peptides: conformational studies of [Tyr⁴] cyclolinopeptide A.
Biopolymers, 1995, 36, 453-460
IF: 2.307

52. Siemion Ignacy Z., Siemion P. J., Krajewski Krzysztof
Chou-Fasman conformational amino acid parameters and the genetic code.
Biosystems, 1995, 36, 231-238
IF: 0.943

53. Wieczorek Zbigniew, Słoń Jacek J., Siemion Ignacy Z.
Immunomodulatory activity of disulphide bridged peptides related to lactoferrin immunosuppressive mini-domain.
Polish Journal of Pharmacology, 1995, 47, 451-455

54. Słoń Jacek J., Siemion Ignacy Z., Zimecki Michał, Wieczorek Zbigniew
Influence of Lys-residue deletion on the immunomodulatory activity of peptides related to immunosuppressive region of lactoferrin.
Archivum Immunologiae et Therapiae Experimentalis, 1995, 43, 211-216

55. Siemion Ignacy Z., Szewczuk Zbigniew, Kluczyk Alicja, Słoń Jacek J., Wieczorek Zbigniew
On the "immunostimulative" and "immunosuppressive" conformation of thymopentin analogues.
Polish Journal of Chemistry, 1995, 69, 1669-1678
IF: 0.422

56. Wieczorek Zbigniew, Słoń Jacek J., Kluczyk Alicja, Zbozień Renata, Stefanowicz Piotr, Siemion Ignacy Z.
The immunomodulatory diversity of the proteins of the transforming growth factor β (TGFβ) family.
International Journal of Peptide and Protein Research, 1995, 46, 113-118
IF: 1.41
10.1111/j.1399-3011.1995.tb01326.x

57. Siemion Ignacy Z., Słoń Jacek J., Wieczorek Zbigniew
The immunosuppressive mini-domain of human lactoferrin.
Journal of Peptide Science, 1995, 1, 295-302

58. Siemion Ignacy Z.
The regularities of the changes of amino acid physico-chemical properties within the genetic code.
Amino Acids, 1995, 8, 1-13
IF: 0.94

59. Siemion Ignacy Z., Stefanowicz Piotr, Czaplewski C., Ciarkowski J.
The β-turn-like conformation of tripeptides with C-terminal proline.
Polish Journal of Chemistry, 1995, 69, 902-911
IF: 0.422

60. Siemion Ignacy Z., Lisowski Marek, Cebrat Marek, Pędyczak Artur, Wysłouch-Cieszyńska Aleksandra
Chiroptical properties of aromatic residues in cyclolinopeptide A and its analogues.
Polish Journal of Chemistry, 1994, 68, 963-968

61. Siemion Ignacy Z.
Compositional frequencies of amino acids in the proteins and the genetic code.
Biosystems, 1994, 32, 163-170
IF: 1.374

62. Pędyczak Artur, Wieczorek Zbigniew, Trojnar J., Bolewska-Pędyczak Eleonora, Lawitz K., Siemion Ignacy Z.
Conformational and biological studies on proline containing thymopentin analogues.
Polish Journal of Chemistry, 1994, 68, 1003-1008

63. Siemion Ignacy Z., Cebrat Marek, Jankowski Andrzej, Lisowski Marek, Pędyczak Artur, Wysłouch-Cieszyńska Aleksandra
Does the edge-to-face interaction between aromatic rings occur in cyclolinopeptide A analogues?.
International Journal of Peptide and Protein Research, 1994, 44, 61-69
IF: 1.785
10.1111/j.1399-3011.1994.tb00405.x

64. Słoń Jacek J., Kluczyk Alicja, Stefanowicz Piotr, Zimecki Michał, Wieczorek Zbigniew, Siemion Ignacy Z.
Immunological and chemical studies in the tuftsin-kentsin group.
Polish Journal of Chemistry, 1994, 68, 1043-1046

65. Siemion Ignacy Z., Kluczyk Alicja, Słoń Jacek J., Zimecki Michał, Wieczorek Zbigniew
Immunosuppressive activity of analogs of tripeptide Lys-Arg-Pro with D-amino acid residues.
Archivum Immunologiae et Therapiae Experimentalis, 1994, 42, 205-207

66. Siemion Ignacy Z., Kubik Aleksandra, Zimecki Michał, Wieczorek Zbigniew
Immunosuppressive activity of C-terminal fragments of tachykinins.
Archivum Immunologiae et Therapiae Experimentalis, 1994, 42, 201-203

67. Pędyczak Artur, Bolewska-Pędyczak Eleonora, Voelter W., Siemion Ignacy Z.
Studies in the conformation of proline containing analogues of thymopentin.
Polish Journal of Chemistry, 1994, 68, 1123-1135

68. Siemion Ignacy Z., Pędyczak Artur, Strug Iwona, Wieczorek Zbigniew
Synthesis and biological studies on analogs of cyclolinopeptide A with a shortened peptide chain.
Archivum Immunologiae et Therapiae Experimentalis, 1994, 42, 459-465

69. Pędyczak Artur, Trojnar J., Siemion Ignacy Z.
The conformational studies on the heterodetic cyclic analogues of thymopentin.
Polish Journal of Chemistry, 1994, 68, 2181-2189

70. Wieczorek Zbigniew, Zimecki Michał, Słoń Jacek J., Siemion Ignacy Z.
The immunomodulatory activity of tetra- and tripeptides of tuftsin-kentsin group.
Peptides, 1994, 15, 215-221
IF: 2.525

71. Wysłouch-Cieszyńska Aleksandra, Lisowski Marek, Siemion Ignacy Z.
The influence of protecting group character on the diastereoselectivity of thiazolidine ring formation from amino aldehydes and crysteine.
Bulletin of the Polish Academy of Sciences. Chemistry, 1994, 42, 117-130
IF: 0.116

72. Siemion Ignacy Z., Siemion P. J.
The informational context of the third base in amino acid codons.
Biosystems, 1994, 33, 139-148
IF: 1.374

73. Siemion Ignacy Z., Stefanowicz Piotr
The physicochemical properties of amino acids and the genetic code.
Polish Journal of Chemistry, 1994, 68, 1009-1013

74. Siemion Ignacy Z.
The regularity of changes of the Chou-Fasman parameters within the gentic code.
Biosystems, 1994, 32, 25-35
IF: 1.374

75. Siemion Ignacy Z., Szewczuk Zbigniew, Lisowski Marek
A cyclic analogue of hexapeptide Tyr-Val-Pro-Leu-Phe-Pro, a peptide immunostimulant.
Polish Journal of Chemistry, 1993, 67, 877-883

76. Siemion Ignacy Z., Stefanowicz Piotr, Kluczyk Alicja, Słoń Jacek J.
Circular dichroism of the peptides of tuftsin-kentsin group.
Polish Journal of Chemistry, 1993, 67, 2171-2180

77. Wieczorek Zbigniew, Siemion Ignacy Z., Zimecki Michał, Bolewska-Pędyczak Eleonora, Wieland Theodor
Immunosuppressive activity in the series of cycloamanide peptides from mushrooms.
Peptides, 1993, 14, 1-5
IF: 2.094

78. Wieczorek Zbigniew, Zimecki Michał, Pędyczak Artur, Lisowski Marek, Siemion Ignacy Z.
Immunosuppressive activity of alanine analogs of cyclolinopeptide A.
Archivum Immunologiae et Therapiae Experimentalis, 1993, 41, 291-296

79. Bolewska-Pędyczak Eleonora, Wieczorek Zbigniew, Zimecki Michał, Siemion Ignacy Z.
Immunosuppressive activity of some peptides related to cycloamanide A (CyA A) and to the active fragment of a peptide immunomodulator from ovine colostrum.
Archivum Immunologiae et Therapiae Experimentalis, 1993, 41, 297-301

80. Siemion Ignacy Z., Słoń Jacek J., Wieczorek Zbigniew
Suppression of tuftsin activity by the partial sequences of adenovirus type 2 proteins.
International Journal of Peptide and Protein Research, 1993, 41, 300-306
IF: 1.766

81. Siemion Ignacy Z., Cebrat Marek, Pędyczak Artur, Zimecki Michał, Wieczorek Zbigniew
Synthesis and immunosuppressive activity of glycine containing linear analogs of cyclolinopeptide A.
Archivum Immunologiae et Therapiae Experimentalis, 1993, 41, 285-289

82. Obuchowicz E., Słoń Jacek, Klin M., Madej Andrzej, Siemion Ignacy Z., Herman Z. S.
The analgesic activity of some tuftsin and tuftsin inhibitor-like fragments of the viral coat proteins.
Polish Journal of Pharmacology, 1993, 45, 269-279

83. Siemion Ignacy Z., Trojnar J., Pędyczak Artur, Zimecki Michał, Wieczorek Zbigniew
Immunosuppressive activity of antamanide and some of its analogues.
Peptides, 1992, 13, 1233-1237
IF: 2.106
10.1016/0196-9781(92)90034-Z

84. Siemion Ignacy Z., Cebrat Marek, Lisowski Marek, Zimecki Michał, Wieczorek Zbigniew
Immunosuppressive activity of threonine-containing analogues of cyclolinopeptide A.
Archivum Immunologiae et Therapiae Experimentalis, 1992, 40, 257-261

85. Wieczorek Zbigniew, Pędyczak Artur, Bodalski T., Lisowski Marek, Trojnar J., Zimecki Michał, Siemion Ignacy Z.
Immunosuppressive activity of tyrosine analogues of cyclolinopeptide A.
Archivum Immunologiae et Therapiae Experimentalis, 1992, 40, 213-216

86. Siemion Ignacy Z., Stefanowicz Piotr
Periodical changes of amino acid reactivity within the genetic code.
Biosystems, 1992, 27, 77-84
IF: 0.581
10.1016/0303-2647(92)90048-4

87. Stefanowicz Piotr, Siemion Ignacy Z.
Reactivity of N-hydroxysuccinimide esters.
Polish Journal of Chemistry, 1992, 66, 111-118

88. Wysłouch-Cieszyńska Aleksandra, Lisowski Marek, Pędyczak Artur, Siemion Ignacy Z.
Stereochemistry of thiazolidine ring formation from aminals and cysteine.
Tetrahedron-Asymmetry, 1992, 3, 1401-1410
IF: 2.801

89. Siemion Ignacy Z., Kubik Aleksandra, Lisowski Marek, Szewczuk Zbigniew, Zimecki Michał, Wieczorek Zbigniew
Immunosuppressive analogues of hexapeptide Tyr-Val-Pro-Leu-Phe-Pro, an immune system stimulant.
International Journal of Peptide and Protein Research, 1991, 38, 54-61
IF: 1.587

90. Siemion Ignacy Z.
A new example of edge-to-face interaction of aromatic rings in oligopeptides: cyclolinopeptide A.
Zeitschrift für Naturforschung Section B: A Journal of Chemical Sciences, 1990, 45b, 1324-1326
IF: 0.904

91. Siemion Ignacy Z., Słoń Jacek, Nawrocka Eleonora, Wieczorek Zbigniew
Competition between tuftsin and HBV S-protein sequences.
International Journal of Peptide and Protein Research, 1990, 35, 428-433
IF: 1.587

92. Siemion Ignacy Z., Nawrocka Eleonora, Słoń Jacek, Pędyczak Artur, Kubik Aleksandra, Spiegiel K., Zimecki Michał, Wieczorek Zbigniew
Immunoregulatory activity of substance P fragments.
Molecular Immunology, 1990, 27, 887-890
IF: 1.946

93. Siemion Ignacy Z., Folkers G., Szewczuk Zbigniew, Jankowski Andrzej, Kubik Aleksandra, Voelter W.
Peptides related to the active fragment of "proline rich polypeptide" an immunoregulatory protein of the ovine colostrum.
International Journal of Peptide and Protein Research, 1990, 36, 506-514
IF: 1.587

94. Lisowski Marek, Dahr W., Bause E., Siemion Ignacy Z.
The role of electrostatic interactions in the stabilization of helical conformation of glycophorin B nonapeptides.
Bulletin of the Polish Academy of Sciences. Chemistry, 1989, 37, 133-139
IF: 0.123

95. Siemion Ignacy Z., Kubik Aleksandra, Jeżowska-Bojczuk Małgorzata, Kozłowski Henryk
The absolute configuration on the chiral nitrogen atom of proline residue in the metal complexes of oligopeptides.
Journal of Inorganic Biochemistry, 1984, 22, 137-141