Yazar "Acik, Leyla" için Biyomühendislik Bölümü listeleme
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Antimicrobial, antioxidant, cytotoxic and apoptotic activities of Satureja khuzestanica
Soltanzadeh, Hossein; Acik, Leyla; Turk, Mustafa; Houshmand, Massoud; Shahsavari, Gholamreza (Gazi Univ, Fac Med, 2018)Objective: Natural products with antimicrobial effect are currently investigated in order to eliminate the use of synthetic antibiotics that cause the resistance of microorganisms. This study determines the antibacterial, ... -
Dispiro-4-bromobenzylaminophosphazenes: Synthesis reactions, spectroscopic and chromatographic properties, crystal structures, biological, and cytotoxic activities
Kuzey, Nur Guven; Ozgur, Mehtap; Asmafiliz, Nuran; Acik, Leyla; Aydin, Betul; Hokelek, Tuncer; Cerci, Aytuna (Amer Chemical Soc, 2019)… -
Genetic Differentiation of Lactobacillus delbrueckii subsp bulgaricus and Streptococcus thermophilus Strains Isolated from Raw Milk Samples Collected from Different Regions of Turkey
Yilmaz, Remziye; Temiz, Ayhan; Acik, Leyla; Keskin, Ayten Celebi (Taylor & Francis Inc, 2015)Yogurt is a fermented milk product produced by two homofermentative lactic acid bacteria, Lactobacillus delbrueckii subsp. bulgaricus and Streptococcus thermophilus. It is consumed throughout the world as a healthy, ... -
Novel fluorescent coumarin-thiophene-derived Schiff bases: Synthesis, effects of substituents, photophysical properties, DFT calculations, and biological activities
Yahaya, Issah; Chemchem, Meryem; Aydiner, Burcu; Seferoglu, Nurgul; Tepe, Fulya Erva; Acik, Leyla; Seferoglu, Zeynel (Elsevier Science Sa, 2019)Novel fluorescent coumarin-thiophene appended Schiff bases have been synthesized in good yields (76-89%). The effects of substitution on the fluorescent intensity and solubility of the molecules were examined with experimental ... -
Phosphorus nitrogen compounds: Part 34. Syntheses, structural investigations, cytotoxic and biological activities of spiro-ansa-spiro and spiro-bino-spiro tetrameric phosphazene derivatives
Berberoglu, Ipek; Asmafiliz, Nuran; Kilic, Zeynel; Hokelek, Tuncer; Koc, L. Yasemin; Acik, Leyla; Dal, Hakan (Elsevier Science Sa, 2016)The reactions of N4P4Cl8 with the symmetric N2N2 (1-3) and N2O2 (4) bulky ligands gave partly substituted 2,4-sas (5 and 6), 2,6-sas (7-10) and sbs (11-14) tetrameric phosphazene derivatives. The 2,4-sas-5, 2,6-sas-8 and ... -
Phosphorus-nitrogen compounds part 33: in vitro cytotoxic and antimicrobial activities, DNA interactions, syntheses, and structural investigations of new mono(4-nitrobenzyl)spirocyclotriphosphazenes
Okumus, Aytug; Akbas, Huseyin; Kilic, Zeynel; Koc, L. Yasemin; Acik, Leyla; Aydin, Betul; Dal, Hakan (Springer, 2016)The condensation reactions of hexachlorocyclotriphosphazene, N3P3Cl6, with N-alkyl-N'-mono(4-nitrobenzyl)diamines (1-3), NO2PhCH2NH(CH2) (n) NHR1 (R-1 = CH3 or C2H5), led to the formation of the mono(4-nitrobenzyl)spiroc ... -
Phosphorus-nitrogen compounds. Part 36. Syntheses, Langmuir-Blodgett thin films and biological activities of spiro-bino-spiro trimeric phosphazenes
Asmafiliz, Nuran; Kilic, Zeynel; Civan, Mehmet; Avci, Orhan; Gonder, L. Yasemin; Acik, Leyla; Hokelek, Tuncer (Royal Soc Chemistry, 2016)The condensation reactions of hexachlorocyclotriphosphazene (N3P3Cl6, trimer) with the symmetric N2N2 or N2O2 donor type tetradentate bulky ligands (1-4) gave partly substituted spiro-bino-spiro (sbs) (5-8) trimeric ... -
Phosphorus-nitrogen compounds. Part 37. Syntheses and structural characterizations, biological activities of mono and bis(4-fluorobenzyl)spirocyclotetraphosphazenes
Elmas, Gamze; Okumus, Aytug; Sevinc, Pelin; Kilic, Zeynel; Acik, Leyla; Atalan, Mustafa; Hokelek, Tuncer (Royal Soc Chemistry, 2017)The Cl substitution reactions of octachlorocyclotetraphosphazene, N4P4Cl8, with one equimolar amount of (4-fluorobenzyl)diamines (1-3) affords mono(4-fluorobenzyl) spirocyclotetraphosphazenes (4-6) as minor products. ... -
Phosphorus-nitrogen compounds. part 38. Syntheses, characterizations, cytotoxic, antituberculosis and antimicrobial activities and DNA interactions of spirocyclotetraphosphazenes with bis-ferrocenyl pendant arms
Elmas, Gamze; Okumus, Aytug; Cemaloglu, Resit; Kilic, Zeynel; Celik, Suheyla Pinar; Acik, Leyla; Hokelek, Tuncer (Elsevier Science Sa, 2017)The reactions of N4P4Cl8 (1), with two equimolar amounts of N-(1-ferrocenylmethyl)-N-methyl-propylenediamine gave the monoferrocenyl-spiro (as a byproduct), bisferrocenyl-2-trans-6-dispiro (2) and bisferrocenyl-2-cis-6-dispiro ... -
Phosphorus-nitrogen compounds. Part 42. The comparative syntheses of 2-cis-4-ansa(N/O) and spiro(N/O) cyclotetraphosphazene derivatives: spectroscopic and crystallographic characterization, antituberculosis and cytotoxic activity studies
Binici, Arzu; Okumus, Aytug; Elmas, Gamze; Kilic, Zeynel; Ramazanoglu, Nagehan; Acik, Leyla; Hokelek, Tuncer (Royal Soc Chemistry, 2019)The reaction of N4P4Cl8 (1) with one equimolar amount of the sodium salt of an N/O donor-type bidentate ligand (2) afforded two kinds of derivatives, namely, mono-ferrocenyl-2-cis-4-dichloro-ansa- (2,4-ansa; 3) and ... -
Phosphorus-nitrogen compounds. Part 44. The syntheses of N,N-spiro bridged cyclotriphosphazene derivatives with (4-fluorobenzyl) pendant arms: Structural and stereogenic properties, DNA interactions, antimicrobial and cytotoxic activities
Ozturk, Ezel; Okumus, Aytug; Kilic, Zeynel; Kilic, Adem; Kayalak, Hande; Acik, Leyla; Hokelek, Tuncer (Elsevier Science Sa, 2019)Isopropylaminopentachlorocyclotriphosphazene, (N3P3Cl5(NHCHMe2) (1), containing a P-NH group in the alkyl-chain, gives the NN-spirobridged octachlorobiscyclotriphosphazene, [N3P3Cl4(NCHMe2)](2) (2), in the presence of NaH. ... -
Phosphorus-nitrogen compounds. Part 48. syntheses of the phosphazenium salts containing 2-pyridyl pendant arm: structural characterizations, thermal analysis, antimicrobial and cytotoxic activity studies
Elmas, Gamze; Okumus, Aytug; Kilic, Zeynel; Ozbeden, Pelin; Acik, Leyla; Tunali, Beste Cagdas; Turk, Mustafa (NATL INST SCIENCE COMMUNICATION-NISCAIR, 2020)The phosphazenium salts (protic ionic liquids, PILs/protic molten salts, PMOSs) (6a-6d and 7a) of the free phosphazene bases (4a-4d and 5a) have been prepared by the reactions of the corresponding cyclotriphosphazenes with ... -
Phosphorus-nitrogen compounds: Part 46. The reactions of N3P3Cl6 with bidentate and monodentate ligands: The syntheses, structural characterizations, antimicrobial and cytotoxic activities, and DNA interactions of (N/N)spirocyclotriphosphazenes with 4-chlorobenzyl pendant arm
Asmafiliz, Nuran; Berberoglu, Ipek; Ozgur, Mehtap; Kilic, Zeynel; Kayalak, Hande; Acik, Leyla; Hokelek, Tuncer (Elsevier Science Sa, 2019)In the present study, the partly and fully-substituted monospiro (4-6, 4a-6d), cis-dispiro (7-9), trans-dispiro (10-15) cyclotriphosphazenes were synthesized for the investigations of their chemical, stereogenic and ... -
Syntheses, spectroscopic and crystallographic characterizations of cis- and trans-dispirocyclic ferrocenylphosphazenes: molecular dockings, cytotoxic and antimicrobial activities
Tumer, Yasemin; Asmafiliz, Nuran; Zeyrek, C. Tugrul; Kilic, Zeynel; Acik, Leyla; Celik, S. Pinar; Hokelek, Tuncer (Royal Soc Chemistry, 2018)New cis-(4-6) and trans-dispirocyclic ferrocenylphosphazene derivatives (7-9) were obtained by reactions of hexachlorocyclotriphosphazene (N3P3Cl6) with N-alkyl-N-monoferrocenyldiamines of the formula FcCH(2)NH(CH2)(n)NHR ... -
Synthesis of Bis(2,2,3,3-tetrafluoro-1,4-butanedialkoxy)-2-trans-6-bis(4-fluorobenzyl)spirocyclotetraphosphazene: Structural Characterization, Biological Activity and DFT Studies
Elmas, Gamze; Kilic, Zeynel; Cosut, Bunyemin; Kesan, Gurkan; Acik, Leyla; Cam, Merve; Tunali, Beste Cagdas (SPRINGER/PLENUM PUBLISHERS, 2020)The Cl replacement reaction of octachlorocyclotetraphosphazene, N4P4Cl8 (1), with two equimolar amounts of N-(4-fluorobenzyl)-N'-methylpropane-1,3-diamine led to the formation of 4,4,8,8-tetrachloro-2-trans-6-bis-N-(4-fl ... -
Synthesis, Characterization And Dna Interaction Of Novel Platinum(Ii) Complexes Contaning Substituted Benzimidazole Ligands
Nzeyimana, Abdoul; Utku, Semra; Acik, Leyla; Keskin, Ayten Celebi (Editura Acad Romane, 2017)Eight novel Pt(II) complexes corresponding to the following general formula [PtCl2(L-1-L-4)(2)] (C1 -C4) and [PtI2((L1-L4))(2)] (C5-C8) in which 5(6)-chloro/or-methyl-2-H/or-methylbenzimidazole (L-1-L-4) played the key ... -
Synthesis, in-vitro cytotoxic activity and DNA interactions of new dicarboxylatoplatinum(II) complexes with 2-hydroxymethylbenzimidazole as carrier ligands
Utku, Semra; Ozcelik, Azime Berna; Gumus, Fatma; Yilmaz, Sukran; Arsoy, Taibe; Acik, Leyla; Keskin, Ayten Celebi (Wiley, 2014)ObjectivesThe aim of this study was to investigate the in-vitro cytotoxic activity of new platinum(II) complexes on the human HeLa (ER-), MCF-7 (ER+) and MDA-MB 231 (ER-) cell lines. Furthermore, we investigated plasmid ...