Search Results - "Tzougraki, C"

Synthesis and characterization of a binuclear coumarin-3-carboxylate copper(II) complex by Karaliota, A., Kretsi, O., Tzougraki, C.

“…The copper(II) complex of coumarin-3-carboxylic acid (CcaH) has been prepared and characterized on the basis of elemental and thermal analysis, IR, Raman, EPR,…”
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Bifunctional coumarin derivatives in solution and solid phase synthesis of fluorogenic enzyme substrates by Charitos, Christos, Kokotos, George, Tzougraki, Chryssa

“…The use of the fluorescent bifunctional compounds 7‐amino‐4‐coumarinyl‐acetic acid 1, 7‐hydroxy‐4‐coumarinyl‐acetic acid 2 and ethyl…”
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Attitudes toward chemistry among 11th grade students in high schools in Greece by Salta, Katerina, Tzougraki, Chryssa

“…The development of valid and reliable instruments for attitudes' measurement has been proven crucial for the quality of research. This study is dealing with…”
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Synthesis and fluorescence properties of intramolecularly quenched fluorogenic p-nitroanilides containing coumarin or quinolinone derivatives as fluorophores by Charitos, C., Tzougraki, C., Kokotos, G.

“…: Nine model intramolecularly quenched fluorogenic substrates (IQFS) of the general structure F‐Phe‐NH‐Np, containing coumarin or quinolinone derivatives as…”
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NMR and CD conformational studies of the C-terminal 16-peptides of Pseudomonas aeruginosa c551 and Hydrogenobacter thermophilus c552 cytochromes by Bouchayer, E., Stassinopoulou, C.I., Tzougraki, C.H., Marion, D., Gans, P.

“…: The 16‐amino acid sequences of the C‐terminal helices of the homologous bacterial cytochromes c551 from Pseudomonas aeruginosa and c552 from Hydrogenobacter…”
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Facile synthesis of amino acid and peptide esters under mild conditions via cesium salts by Wang, Su-Sun, Gisin, B. F, Winter, D. P, Makofske, R, Kulesha, I. D, Tzougraki, C, Meienhofer, J

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Highly sensitive intramolecularly quenched fluorogenic substrates for renin based on the combination of L-2-amino-3-(7-methoxy-4-coumaryl)propionic acid with 2,4-dinitrophenyl groups at various positions by Paschalidou, Katherine, Neumann, Ulf, Gerhartz, Bernd, Tzougraki, Chryssa

“…The development of renin inhibitors for the treatment of hypertension requires highly sensitive substrates to evaluate potency and to characterize the…”
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Inhibition of human serum oxytocinase (cystine aminopeptidase, E. C. 3.4.11.3) by GnRH peptides by Masková, H P, Burbach, J P, Kokotos, G, Tzougraki, C, Barth, T

“…The hydrolysis of H-Cys(Bzl)-NH-Meq by human serum oxytocinase (E.C. 3.4.11.3) was inhibited non-competitively by various pyroglutamyl peptides. The most…”
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Studies on immunoassays of peptide factors. V. Synthesis of cholecystokinin-58-[1-11]/iso-1-cytochrome c conjugate by Moroder, L, Tzougraki, C, Göhring, W, Mourier, G, Musiol, H J, Wünsch, E

“…In previous studies on model compounds we have found that the maleimide function is sufficiently stable under the conditions of peptide synthesis to allow its…”
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Synthesis and in vitro cytotoxicity of aminocoumarin platinum(II) complexes by Kokotos, George, Theodorou, Vassiliki, Tzougraki, Chryssa, Deforce, Dieter L.D., Van den Eeckhout, Elfreide G.

“…A number of cis-dichloro[bis(aminocoumarin)]platinum(II) complexes have been synthesized and evaluated for their in vitro cytotoxicity against Caco-2T cells…”
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New fluorogenic substrates for the study of secondary specificity of prolyl oligopeptidase by NOULA, CATHERINE, KOKOTOS, GEORGE, BARTH, TOMISLAV, TZOUGRAKI, CHRYSSA

“…The secondary specificity of prolyl oligopeptidase (POP) has been studied by using a series of fluorogenic substrates containing the highly fluorescent…”
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Rapid removal of protecting groups from peptides by catalytic transfer hydrogenation with 1,4-cyclohexadiene by Felix, Arthur M, Heimer, Edgar P, Lambros, Theodore J, Tzougraki, Chryssa, Meienhofer, Johannes

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Synthesis and study of substituted coumarins. A facile preparation of D,L-o-tyrosine by Kokotos, George, Tzougraki, Chrysa

“…A general procedure for the preparation of aminocoumarins and aminohydroxycoumarins under mild conditions is described. Amino‐ and acetamidoaminocoumarins were…”
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Fluorogenic substrates for chymotrypsin with new fluorescent markers by Kokotos, G, Tzougraki, C

“…Several substrates for chymotrypsin Glt-Phe-NHRx have been synthesized, where RxNH2 are the compounds 3-aminocoumarin (2), 6-aminocoumarin (3),…”
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Fluorogenic substrates for chymotrypsin with 2-quinolinone derivatives as leaving groups by Kokotos, G, Geiger, R, Tzougraki, C

“…Sensitive and convenient fluorometric assays for the determination of chymotrypsin have been developed by using the substrates Glt-Leu-Phe-NH-Meq,…”
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Solid phase synthesis of a somatostatin amide analogue using acid labile t-Bumeoc protection and an acid labile anchor group by VOELTER, W, BREIPOHL, G, TZOUGRAKI, C, JUNGFLEISCH-TURGUT, E

“…The solid phase synthesis of an amidated somatostatin analogue based on the principle of differentiated acidolysis is described. The acid labile and smoothly…”
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Synthesis and use of an aminoquinolinone derivative for the fluorometric determination of oxytocinase by MASKOVA, H. P, KOKOTOS, G, TZOUGRAKI, C, BARTH, T

“…A new fluorogenic substrate for the determination of the activity of human serum oxytocinase-cystine aminopeptidase (EC 3.4.11.3), H-Cys(Bzl)-NH-Meq, has been…”
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New fluorogenic substrates for the determination of post-proline endopeptidase activity by TZOUGRAKI, C, KOKOTOS, G, MASKOVA, H. P, ANZENBACHEROVA, E, BARTH, T

“…A new fluorogenic substrate for determination of the activity of post-proline endopeptidase (EC 3.4.21.26), Z-Cys(Bzl)-Pro-NH-Meq has been synthesized…”
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Solid-phase synthesis and structural studies of the N-terminal 25 peptides of ribosomal S2 proteins from Th. thermophilus and E. coli by Sintihaki, E, Minakaki, P, Tzougraki, C, Loukas, S, Stassinopoulou, C I

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Synthesis and some pharmacological properties of [Glu(OMe)4]oxytocin and [Mpr1, Glu(OMe)4]oxytocin by Photaki, I, Tzougraki, C, Kotsira-Engonopoulos, C

“…[Glu(OMe)4]oxytocin (XVI) and [Mpr1, Glu(OMe)4]oxytocin (XVII) bearing a methyl ester group in place of the carboxamide group in position 4 of oxytocin were…”
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