Dergi makalesi Açık Erişim
Kocan, Halit; Kaya, Kerem; Ozcesmeci, Ibrahim; Sesalan, B. Sebnem; Goksel, Meltem; Durmus, Mahmut; Burat, Ayfer Kalkan
<?xml version='1.0' encoding='UTF-8'?> <record xmlns="http://www.loc.gov/MARC21/slim"> <leader>00000nam##2200000uu#4500</leader> <datafield tag="260" ind1=" " ind2=" "> <subfield code="c">2017-01-01</subfield> </datafield> <datafield tag="100" ind1=" " ind2=" "> <subfield code="u">Istanbul Tech Univ, Dept Chem, Fac Sci & Letters, TR-34469 Istanbul, Turkey</subfield> <subfield code="a">Kocan, Halit</subfield> </datafield> <datafield tag="540" ind1=" " ind2=" "> <subfield code="u">http://www.opendefinition.org/licenses/cc-by</subfield> <subfield code="a">Creative Commons Attribution</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Istanbul Tech Univ, Dept Chem, Fac Sci & Letters, TR-34469 Istanbul, Turkey</subfield> <subfield code="a">Kaya, Kerem</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Istanbul Tech Univ, Dept Chem, Fac Sci & Letters, TR-34469 Istanbul, Turkey</subfield> <subfield code="a">Ozcesmeci, Ibrahim</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Istanbul Tech Univ, Dept Chem, Fac Sci & Letters, TR-34469 Istanbul, Turkey</subfield> <subfield code="a">Sesalan, B. Sebnem</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="a">Goksel, Meltem</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Gebze Tech Univ, Dept Chem, POB 141, TR-41400 Gebze, Kocaeli, Turkey</subfield> <subfield code="a">Durmus, Mahmut</subfield> </datafield> <datafield tag="700" ind1=" " ind2=" "> <subfield code="u">Istanbul Tech Univ, Dept Chem, Fac Sci & Letters, TR-34469 Istanbul, Turkey</subfield> <subfield code="a">Burat, Ayfer Kalkan</subfield> </datafield> <datafield tag="909" ind1="C" ind2="O"> <subfield code="o">oai:zenodo.org:50975</subfield> <subfield code="p">user-tubitak-destekli-proje-yayinlari</subfield> </datafield> <datafield tag="542" ind1=" " ind2=" "> <subfield code="l">open</subfield> </datafield> <datafield tag="520" ind1=" " ind2=" "> <subfield code="a">In this study, morpholinoethoxy-substituted metal-free (3), zinc(II) (4) and indium(III) (5) phthalocyanines were synthesized. These phthalocyanines were converted to their water-soluble quaternized derivatives (3Q-5Q) using excess methyl iodide as a quaternization agent. All these phthalocyanines (Pcs) were characterized by elemental analysis and different spectroscopic methods such as FT-IR, H-1 NMR, UV-Vis and mass spectrometry. The photophysical and photochemical properties such as fluorescence and generation of singlet oxygen were investigated for determination of these phthalocyanines as photosensitizers in photodynamic therapy (PDT) applications. The binding properties of quaternized phthalocyanines (3Q-5Q) to calf thymus DNA (CT-DNA) were investigated by UV-Vis and fluorescence spectrophotometric methods. The quenching effect of all quaternized phthalocyanines on the fluorescence intensity of SYBR Green-DNA complex was determined. The mixtures of 3Q, 4Q or 5Q and DNA solutions were used to determine the change in T (m) of double helix DNA with thermal denaturation profile. In addition, thermodynamic parameters considering their aggregation in buffer solution, which shows the spontaneity of the reactions between DNA and quaternized Pcs were investigated. On the other hand, in vitro phototoxicity and cytotoxicity behavior of the quaternized water-soluble phthalocyanine photosensitizers (3Q-5Q) were tested against the cervical cancer cell line named HeLa for evaluation of their suitability for treatment of cancer by PDT method.</subfield> </datafield> <datafield tag="024" ind1=" " ind2=" "> <subfield code="a">10.1007/s00775-017-1499-3</subfield> <subfield code="2">doi</subfield> </datafield> <controlfield tag="005">20210315225027.0</controlfield> <datafield tag="245" ind1=" " ind2=" "> <subfield code="a">Photophysicochemical, calf thymus DNA binding and in vitro photocytotoxicity properties of tetra-morpholinoethoxy-substituted phthalocyanines and their water-soluble quaternized derivatives</subfield> </datafield> <datafield tag="909" ind1="C" ind2="4"> <subfield code="n">8</subfield> <subfield code="v">22</subfield> <subfield code="c">1251-1266</subfield> <subfield code="p">JOURNAL OF BIOLOGICAL INORGANIC CHEMISTRY</subfield> </datafield> <datafield tag="650" ind1="1" ind2="7"> <subfield code="2">opendefinition.org</subfield> <subfield code="a">cc-by</subfield> </datafield> <controlfield tag="001">50975</controlfield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="a">user-tubitak-destekli-proje-yayinlari</subfield> </datafield> <datafield tag="980" ind1=" " ind2=" "> <subfield code="b">article</subfield> <subfield code="a">publication</subfield> </datafield> <datafield tag="856" ind1="4" ind2=" "> <subfield code="u">https://aperta.ulakbim.gov.trrecord/50975/files/bib-bd292c3d-2461-4bca-bfc9-732c3d6fd724.txt</subfield> <subfield code="z">md5:7f393d7c48a0f14afc60ebf7d0a9297e</subfield> <subfield code="s">343</subfield> </datafield> </record>
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