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Journal articles on the topic 'DNA binding studies'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Kashanian, Soheila, Sanaz Javanmardi, Arash Chitsazan, Kobra Omidfar, and Maliheh Paknejad. "DNA-Binding Studies of Fluoxetine Antidepressant." DNA and Cell Biology 31, no. 7 (July 2012): 1349–55. http://dx.doi.org/10.1089/dna.2012.1657.

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2

Kashanian, Soheila, and Sahar Heidary Zeidali. "DNA Binding Studies of Tartrazine Food Additive." DNA and Cell Biology 30, no. 7 (July 2011): 499–505. http://dx.doi.org/10.1089/dna.2010.1181.

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3

Mehd, K. M., K. Soheila, R. Hamideh, and P. Hossein. "DNA binding studies of Chloridazon." New Biotechnology 25 (September 2009): S366—S367. http://dx.doi.org/10.1016/j.nbt.2009.06.978.

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4

Turgay Tun, Turgay Tun, Nadir Demirel Nadir Demirel, Mahmut Emir Mahmut Emir, Asl han G. nel Asl han G nel, R. fk Kad o. lu R fk Kad o lu, and Nurcan Karacan Nurcan Karacan. "Three New Copper (II) Complexes with CHIRAL SCHIFF BASES: Synthesis, Characterization, DNA Binding and DNA-Cleavage Studies." Journal of the chemical society of pakistan 41, no. 2 (2019): 334. http://dx.doi.org/10.52568/000730/jcsp/41.02.2019.

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New mononuclear copper (II) complexes (1, 2 and 3) were synthesized from Schiff bases (H2L) of chiral amino alcohols. The structures of the copper complexes were proposed by a combination of elemental analyses, FTIR, LCMS, magnetic susceptibility and molar conductance measurement methods. Spectroscopic and analytical data of the complexes suggest four-coordinated structures. Geometry optimization carried out with DFT/6-31G (d,p) were proposed to be distorted square planar geometry for the complexes. The similarity between experimental and theoretical IR spectra confirms the proposed structures. The interaction of copper (II) complexes with calf thymus (CT-DNA) was investigated using absorption titration method. The results suggest that the complex 1 and 2 can bind to DNA by intercalation. Binding constants Kb were found to be 2.46and#215;105 for 1, 5.41and#215;105 for 2 and 7.00and#215;104 for 3. Moreover, agarose gel electrophoresis assay demonstrates that all complexes were found to cleavage of plasmid pentry/d-topo plasmid DNA. Complex 2 shows the best cleavage activity (5 and#181;M).

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5

Dashwood, R. H., R. D. Combes, and J. Ashby. "DNA-binding studies with 6BT and 5I: implications for DNA-binding/carcinogenicity and DNA-binding/mutagenicity correlations." Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis 198, no. 1 (March 1988): 61–68. http://dx.doi.org/10.1016/0027-5107(88)90040-1.

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6

WILLIAMS, JOHN S., JACK E. DIXON, and OURANIA M. ANDRISANI. "Binding Constant Determination Studies Utilizing Recombinant ΔCREB Protein." DNA and Cell Biology 12, no. 2 (March 1993): 183–90. http://dx.doi.org/10.1089/dna.1993.12.183.

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7

Bentley, Emily P., Peter E. Wright, and Ashok A. Deniz. "Mechanistic Studies of CREB-DNA Binding." Biophysical Journal 120, no. 3 (February 2021): 310a—311a. http://dx.doi.org/10.1016/j.bpj.2020.11.1971.

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8

Sampath, K., and C. Jayabalakrishnan. "Ruthenium(III) Thiosemicarbazone Complexes: Synthesis, Characterization, DNA Binding, Antibacterial, In vitro Anticancer and Antioxidant Studies." DJ Journal of Engineering Chemistry and Fuel 1, no. 1 (January 2, 2016): 40–53. http://dx.doi.org/10.18831/djchem.org/2016011004.

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9

Roviello, Giovanni N., Domenica Musumeci, Maria Moccia, Mariangela Castiglione, Roberto Sapio, Margherita Valente, Enrico M. Bucci, Giuseppe Perretta, and Carlo Pedone. "dabPna: Design, Synthesis, And Dna Binding Studies." Nucleosides, Nucleotides and Nucleic Acids 26, no. 10-12 (November 26, 2007): 1307–10. http://dx.doi.org/10.1080/15257770701530640.

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10

Janjua, Naveed Kausar, Amber Shaheen, Azra Yaqub, Fouzia Perveen, Sana Sabahat, Misbah Mumtaz, Claus Jacob, Lalla Aicha Ba, and Hamdoon A. Mohammed. "Flavonoid–DNA binding studies and thermodynamic parameters." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 79, no. 5 (September 2011): 1600–1604. http://dx.doi.org/10.1016/j.saa.2011.05.018.

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11

Soheila, Kashanian, and Heidary Zeidali Sahar. "DNA binding studies of tartrazine food additive." Clinical Biochemistry 44, no. 13 (September 2011): S232. http://dx.doi.org/10.1016/j.clinbiochem.2011.08.564.

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12

Kashanian, Soheila, Mohammad Mehdi Khodaei, Hamideh Roshanfekr, Nahid Shahabadi, Alireza Rezvani, and Ghobad Mansouri. "DNA Binding, DNA Cleavage, and Cytotoxicity Studies of Two New Copper (II) Complexes." DNA and Cell Biology 30, no. 5 (May 2011): 287–96. http://dx.doi.org/10.1089/dna.2010.1125.

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13

McKnight, Ruel E., Aaron B. Gleason, James A. Keyes, and Sadia Sahabi. "Binding mode and affinity studies of DNA-binding agents using topoisomerase I DNA unwinding assay." Bioorganic & Medicinal Chemistry Letters 17, no. 4 (February 2007): 1013–17. http://dx.doi.org/10.1016/j.bmcl.2006.11.038.

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14

Madan, Anup, Plachikkat K. Radha, Ramakrishna V. Hosur, and Lakshmi C. Padhy. "Bacterial Expression, Characterization and DNA Binding Studies on Drosophila Melanogaster c-Myb DNA-Binding Protein." European Journal of Biochemistry 232, no. 1 (August 1995): 150–58. http://dx.doi.org/10.1111/j.1432-1033.1995.tb20793.x.

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15

Ivanchenko, M., S. Zacharieva, J. Yaneva, and Jordanka Zlatanova. "Linker histone binding to superhelical DNA: Electrophoretic and filter binding studies." Biochimie 80, no. 12 (December 1998): 1031–34. http://dx.doi.org/10.1016/s0300-9084(99)80008-x.

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16

Kashanian, Soheila, Zohreh Shariati, Hamideh Roshanfekr, and Sirous Ghobadi. "DNA Binding Studies of 3, 5, 6-Trichloro-2-Pyridinol Pesticide Metabolite." DNA and Cell Biology 31, no. 7 (July 2012): 1341–48. http://dx.doi.org/10.1089/dna.2012.1662.

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17

Gholivand, M. B., S. Kashanian, and H. Peyman. "DNA-binding, DNA cleavage and cytotoxicity studies of two anthraquinone derivatives." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 87 (February 2012): 232–40. http://dx.doi.org/10.1016/j.saa.2011.11.045.

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18

Maria Azeem, Maria Azeem, Jahangeer Ali Patujo Jahangeer Ali Patujo, Saira Fatima Saira Fatima, Amin Badshah Amin Badshah, and Laiba Saleem and Saif ur Rehman Laiba Saleem and Saif ur Rehman. "New Ferrocene Based Thiourea and Guanidines: Synthesis, Structural Elucidation, Aggregation Properties, DNA Binding Studies, and DFT calculations." Journal of the chemical society of pakistan 41, no. 6 (2019): 1126. http://dx.doi.org/10.52568/000817/jcsp/41.06.2019.

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One new ferrocenyl thiourea and four new ferrocene-based alkyl guanidines have been successfully synthesized and well characterized by FT-IR, 1H and 13C NMR. Aggregation properties of ferrocene-based guanidines have been assessed by determining their critical micelles concentration through tensiometry and UV-Visible spectroscopy in the ethanol solution. The results obtained through both the techniques were in close agreement. DFT calculations were performed to calculate the charges distribution, EHOMO, ELUMO and band gaps of synthesized compounds which were further supported through UV-Visible spectroscopy. Due to the ability of ferrocene and guanidine compounds to bind with DNA, their DNA binding studies were performed through cyclic voltammetry and UV-Visible spectroscopy. Binding constant values of the guanidine derivatives are higher than the thiourea and have a linear dependence on the lipophilicity.

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19

Sanders, Karen J., Harry Wiles, and Alison Rodger. "Dialysis cells for controlled DNA∶drug binding studies." Analyst 126, no. 6 (2001): 852–54. http://dx.doi.org/10.1039/b005972m.

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20

Galindo-Murillo, Rodrigo, and Thomas E. Cheatham. "Computational DNA binding studies of (–)-epigallocatechin-3-gallate." Journal of Biomolecular Structure and Dynamics 36, no. 13 (November 3, 2017): 3311–23. http://dx.doi.org/10.1080/07391102.2017.1389306.

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21

Munnur, D. G., E. Mitchell, T. Forsyth, S. Teixeira, and S. Neidle. "Crystallographic studies of DNA minor groove binding drugs." Acta Crystallographica Section A Foundations of Crystallography 67, a1 (August 22, 2011): C285—C286. http://dx.doi.org/10.1107/s0108767311092853.

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22

Howard, Warren A., and Janice R. Aldrich-Wright. "DNA binding studies of ruthenium(II) dipyridotetrahydrophenazine complexes." Journal of Inorganic Biochemistry 96, no. 1 (July 2003): 152. http://dx.doi.org/10.1016/s0162-0134(03)80646-3.

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23

Liu, Yingjie, Hu Chen, Linda J. Kenney, and Jie Yan. "Biophysical Studies of H-NS Binding to DNA." Biophysical Journal 98, no. 3 (January 2010): 206a. http://dx.doi.org/10.1016/j.bpj.2009.12.1101.

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24

Shahida Parveen, Sheik Dawood, Abdullah Affrose, Basuvaraj Suresh Kumar, Jamespandi Annaraj, and Kasi Pitchumani. "Synthesis, Characterization, and DNA Binding Studies of Nanoplumbagin." Journal of Nanomaterials 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/179149.

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The traditional anticancer medicine plumbagin (PLN) was prepared as nanostructured material (nanoplumbagin, NPn1) from its commercial counterparts, simultaneously coencapsulating with cetyltrimethylammonium bromide or cyclodextrin as stabilizers using ultrasonication technique. Surface morphology of NPn analysed from atomic force microscopy (AFM) indicates that NPn has tunable size between 75 nm and 100 nm with narrow particle size distribution. Its binding efficiency with herring sperm DNA was studied using spectral and electrochemical techniques and its efficiency was found to be more compared to the commercial microcrystalline plumbagin (PLN). DNA cleavage was also studied by gel electrophoresis. The observed results indicate that NPn1 has better solubility in aqueous medium and hence showed better bioavailability compared to its commercial counterparts.

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25

Breslauer, K. J., D. P. Remeta, W. Y. Chou, R. Ferrante, J. Curry, D. Zaunczkowski, J. G. Snyder, and L. A. Marky. "Enthalpy-entropy compensations in drug-DNA binding studies." Proceedings of the National Academy of Sciences 84, no. 24 (December 1, 1987): 8922–26. http://dx.doi.org/10.1073/pnas.84.24.8922.

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26

Vasilieva, Elena, Gaofei He, Kevin J. Koeller, G. Davis Harris, Cynthia M. Dupureur, and James K. Bashkin. "69 DNA-binding studies of large antiviral polyamides." Journal of Biomolecular Structure and Dynamics 31, sup1 (January 2013): 44. http://dx.doi.org/10.1080/07391102.2013.786503.

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27

Hagen, Carl Birger van der, and Kåre Berg. "Studies of human chromosomes by DNA-binding fluorochromes." Clinical Genetics 2, no. 1 (April 23, 2008): 58–60. http://dx.doi.org/10.1111/j.1399-0004.1971.tb00256.x.

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28

Hagen, Carl Birger van der, Tove Lie, and Kåre Berg. "Studies of human chromosomes by DNA-binding fluorochromes." Clinical Genetics 2, no. 3 (April 23, 2008): 177–81. http://dx.doi.org/10.1111/j.1399-0004.1971.tb00275.x.

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29

Ismail, Matthew A., Karen J. Sanders, Gareth C. Fennell, Harriet C. Latham, Paul Wormell, and Alison Rodger. "Spectroscopic studies of 9-hydroxyellipticine binding to DNA." Biopolymers 46, no. 3 (September 1998): 127–43. http://dx.doi.org/10.1002/(sici)1097-0282(199809)46:3<127::aid-bip1>3.0.co;2-n.

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30

Ahmadi, Seyed Mojtaba, Gholamreza Dehghan, Muhammad Ali Hosseinpourfeizi, Jafar Ezzati Nazhad Dolatabadi, and Soheila Kashanian. "Preparation, Characterization, and DNA Binding Studies of Water-Soluble Quercetin–Molybdenum(VI) Complex." DNA and Cell Biology 30, no. 7 (July 2011): 517–23. http://dx.doi.org/10.1089/dna.2010.1205.

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31

Icsel, Ceyda, and Veysel T. Yilmaz. "DNA Binding and Cleavage Studies of Two Palladium(II) Saccharinate Complexes with Terpyridine." DNA and Cell Biology 32, no. 4 (April 2013): 165–72. http://dx.doi.org/10.1089/dna.2012.1959.

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32

Akhila, C., and P. Lalitha. "IN VITRO DNA BINDING STUDIES OF SELECTED HETEROCYCLIC COMPOUNDS." INDIAN DRUGS 55, no. 12 (December 28, 2018): 24–26. http://dx.doi.org/10.53879/id.55.12.10994.

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DNA binding studies of selected heterocyclic compounds belonging to the class of quinolinones, substituted quinolinones and thiones were carried out using ct-DNA. The binding nature of the compounds with DNA analyzed using UV-spectroscopy revealed the compounds to be DNA intercalators demonstrating the binding nature of compounds with DNA base pairs. This study is aimed at establishing a facile UV spectroscopic technique to arrive at the binding mode of DNA to ligands.

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33

Chinnathambi, Shanmugavel, Subramani Karthikeyan, Devadasan Velmurugan, Nobutaka Hanagata, Prakasarao Aruna, and Singaravelu Ganesan. "Investigations on the Interactions of 5-Fluorouracil with Herring Sperm DNA: Steady State/Time Resolved and Molecular Modeling Studies." Biophysical Reviews and Letters 10, no. 02 (June 2015): 115–33. http://dx.doi.org/10.1142/s1793048015500034.

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In the present study, the interaction of 5-Fluorouracil with herring sperm DNA is reported using spectroscopic and molecular modeling techniques. This binding study of 5-FU with hs-DNA is of paramount importance in understanding chemico–biological interactions for drug design, pharmacy and biochemistry without altering the original structure. The challenge of the study was to find the exact binding mode of the drug 5-Fluorouracil with hs-DNA. From the absorption studies, a hyperchromic effect was observed for the herring sperm DNA in the presence of 5-Fluorouracil and a binding constant of 6.153 × 103 M-1 for 5-Fluorouracil reveals the existence of weak interaction between the 5-Fluorouracil and herring sperm DNA. Ethidium bromide loaded herring sperm DNA showed a quenching in the fluorescence intensity after the addition of 5-Fluorouracil. The binding constants for 5-Fluorouracil stranded DNA and competitive bindings of 5-FU interacting with DNA–EB systems were examined by fluorescence spectra. The Stern–Volmer plots and fluorescence lifetime results confirm the static quenching nature of the drug-DNA complex. The binding constant Kb was 2.5 × 104 L mol-1 and the number of binding sites are 1.17. The 5-FU on DNA system was calculated using double logarithmic plot. From the Forster nonradiative energy transfer study it has been found that the distance of 5-FU from DNA was 4.24 nm. In addition to the spectroscopic results, the molecular modeling studies also revealed the major groove binding as well as the partial intercalation mode of binding between the 5-Fluorouracil and herring sperm DNA. The binding energy and major groove binding as -6.04 kcal mol-1 and -6.31 kcal mol-1 were calculated from the modeling studies. All the testimonies manifested that binding modes between 5-Fluorouracil and DNA were evidenced to be groove binding and in partial intercalative mode.

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34

Zunino, F., F. Animati, and G. Capranico. "DNA Minor-Groove Binding Drugs." Current Pharmaceutical Design 1, no. 1 (June 1995): 83–94. http://dx.doi.org/10.2174/1381612801666220524192103.

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Since neoplastic transformation is likely related to oncogene activation or alterations in specific genes, there is much interest in the development of drugs capable of specific gene inactivation. In particular, DNA minor-groove binding drugs have been extensively studied to determine their ability to influence the regulation of gene expression. Sequence-selective groove binders have been designed · as carriers of alkylating moieties. Prototypical agents of this class are alkylating derivatives of distamycin. These compounds exhibit a markedly enhanced cytotoxicity over conventional benzoyl N mustards and a significant antitumor activity in preclinical evaluation . Cyclopropylpyrroloindole analogs are very potent antitumor agents which interact with minor-groove DNA favoring an alkylation reaction in a sequence-selective manner. In addition, a number of DNA-damaging cytotoxic agents or DNA topoisomerase inhibitors are known to contain minor groove binding elements. The identification of. drug structural factors that have a role in promoting DNA recognition during formatiOn of DNA cleavage or covalent modificatwn represents a basis for a rational design of more specific inhibitors. The antitumor efficacy in preclinical evaluation and early clinical studies of sequence-specific minor-groove alkylators is described.

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35

Strickland, James A., Luigi G. Marzilli, K. Michael Gay, and W. David Wilson. "Porphyrin and metalloporphyrin binding to DNA polymers: rate and equilibrium binding studies." Biochemistry 27, no. 24 (November 1988): 8870–78. http://dx.doi.org/10.1021/bi00424a027.

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36

Zhang, Yu, Ming-Qi Wang, Ji Zhang, Da-Wei Zhang, Hong-Hui Lin, and Xiao-Qi Yu. "Synthesis, DNA Binding, and Cleavage Studies of Novel PNA Binding Cyclen Complexes." Chemistry & Biodiversity 8, no. 5 (May 2011): 827–40. http://dx.doi.org/10.1002/cbdv.201000084.

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37

Pandya, Prateek, Surendra P. Gupta, Kumud Pandav, Ritu Barthwal, B. Jayaram, and Surat Kumar. "DNA Binding Studies of Vinca Alkaloids: Experimental and Computational Evidence." Natural Product Communications 7, no. 3 (March 2012): 1934578X1200700. http://dx.doi.org/10.1177/1934578x1200700308.

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Fluorescence studies on the indole alkaloids vinblastine sulfate, vincristine sulfate, vincamine and catharanthine have demonstrated the DNA binding ability of these molecules. The binding mode of these molecules in the minor groove of DNA is non-specific. A new parameter of the purine-pyrimidine base sequence specificty was observed in order to define the non-specific DNA binding of ligands. Catharanthine had shown ‘same’ pattern of ‘Pu-Py’ specificity while evaluating its DNA binding profile. The proton resonances of a DNA decamer duplex were assigned. The models of the drug:DNA complexes were analyzed for DNA binding features. The effect of temperature on the DNA binding was also evaluated.

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38

Islam, Md Maidul, and Gopinatha Suresh Kumar. "RNA-Binding Potential of Protoberberine Alkaloids: Spectroscopic and Calorimetric Studies on the Binding of Berberine, Palmatine, and Coralyne to Protonated RNA Structures." DNA and Cell Biology 28, no. 12 (December 2009): 637–50. http://dx.doi.org/10.1089/dna.2009.0930.

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39

PATEL, MOHAN N., HARDIK N. JOSHI, and CHINTAN R. PATEL. "Cytotoxic, DNA binding, DNA cleavage and antibacterial studies of ruthenium–fluoroquinolone complexes." Journal of Chemical Sciences 126, no. 3 (May 2014): 739–49. http://dx.doi.org/10.1007/s12039-014-0597-9.

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40

Huang, Hong-Liang, Yun-Jun Liu, Cheng-Hui Zeng, Li-Xin He, and Fu-Hai Wu. "In Vitro Cytotoxicity, Apoptosis, DNA-Binding, and Antioxidant Activity Studies of Ruthenium (II) Complexes." DNA and Cell Biology 29, no. 5 (May 2010): 261–70. http://dx.doi.org/10.1089/dna.2009.0979.

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41

Folmer, Rutger H. A., Michael Nilges, Christina H. M. Papavoine, Ben J. M. Harmsen, Ruud N. H. Konings, and Cornelis W. Hilbers. "Refined Structure, DNA Binding Studies, and Dynamics of the Bacteriophage Pf3 Encoded Single-Stranded DNA Binding Protein†,‡." Biochemistry 36, no. 30 (July 1997): 9120–35. http://dx.doi.org/10.1021/bi970251t.

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42

Biron, Eric, and Normand Voyer. "Towards sequence selective DNA binding: design, synthesis and DNA binding studies of novel bis-porphyrin peptidic nanostructures." Organic & Biomolecular Chemistry 6, no. 14 (2008): 2507. http://dx.doi.org/10.1039/b803281e.

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43

Quadt, Ilja, Jan W. M. van Lent, and Dagmar Knebel-Mörsdorf. "Studies of the Silencing of Baculovirus DNA Binding Protein." Journal of Virology 81, no. 11 (March 21, 2007): 6122–27. http://dx.doi.org/10.1128/jvi.02768-06.

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ABSTRACT Baculovirus DNA binding protein (DBP) binds preferentially single-stranded DNA in vitro and colocalizes with viral DNA replication sites. Here, its putative role as viral replication factor has been addressed by RNA interference. Silencing of DBP in Autographa californica multiple nucleopolyhedrovirus-infected cells increased expression of LEF-3, LEF-4, and P35. In contrast, expression of the structural genes coding for P39 and polyhedrin was suppressed while expression of genes coding for P10 and GP64 was unaffected. In the absence of DBP, viral DNA replication sites were formed, indicating replication of viral DNA. Electron microscopy studies, however, revealed a loss of formation of polyhedra and virus envelopment, suggesting that the primary role of DBP is viral formation rather than viral DNA replication.

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44

Zhao, Li Fang, Yan Cheng Liu, Qi Pin Qin, Wen Zu Ya, and Hai Chun Duan. "Tryptanthrin Sulfonate: Crystal Structure, Cytotoxicity and DNA Binding Studies." Advanced Materials Research 554-556 (July 2012): 1694–99. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.1694.

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Tryptanthrin (TPT), which is an indoloquinazoline alkaloid with multiple biological activities, was studied on its sulfonation in order to increase its water solubility. An 8-substituted tryptanthrin sulfonate (TPTS) was synthesized and structurally characterized by IR, 1H-NMR, ESI-MS, as well as X-ray single crystal diffraction analysis. The interactional mechanism of TPTS with calf thymus DNA (ctDNA) was further studied by UV spectroscopy and DNA viscosity experiment. The addition of ctDNA into the TPTS solution induced moderate hypochromicity on its electronic absorption spectrum, by which an intrinsic binding constant of 1.10×104 M-1 was achieved. While addition of TPTS caused significant increasement on the viscosity of ctDNA solution. The results suggest that TPTS interacts with ctDNA mainly by intercalative binding mode.

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45

Kaewthong, A., M. Sukwattanasinitt, and N. Muangsin. "Structural and DNA binding studies of bipyridine-copper complexes." Acta Crystallographica Section A Foundations of Crystallography 67, a1 (August 22, 2011): C712. http://dx.doi.org/10.1107/s0108767311081980.

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46

Miles, S., S. Teixeira, Y. Gan, W. Denny, C. Cardin, and T. Forsyth. "Structural studies on acridine derivatives binding to telomeric DNA." Acta Crystallographica Section A Foundations of Crystallography 61, a1 (August 23, 2005): c219. http://dx.doi.org/10.1107/s0108767305090689.

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47

Öztürk, Ramazan, Şaban Kalay, Ayfer Kalkan, Ali Türkan, Mustafa F. Abasıyanık, Zehra A. Bayır, and Ahmet Gül. "DNA and BSA binding studies of novel tetracationic phthalocyanines." Journal of Porphyrins and Phthalocyanines 12, no. 08 (August 2008): 932–41. http://dx.doi.org/10.1142/s1088424608000315.

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The novel tetracationic metallophthalocyanines having diethylmethyl aminoethylsulfanyl groups on the periphery have been synthesized and characterized. The compounds tend to form aggregates in aqueous solutions. The aggregation of ZnPc 4+ or CoPc 4+, but not that of CuPc 4+, was hindered by the addition of surfactants (Triton X-100 and Tween 20). Using absorption and fluorescence spectroscopic techniques, DNA and BSA binding properties of tetracationic ZnPc in the presence of the surfactants were also investigated.

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48

Zhou, Cheng-Yong, Xiao-Li Xi, and Pin Yang. "Studies on DNA binding to metal complexes of Sal2trien." Biochemistry (Moscow) 72, no. 1 (January 2007): 37–43. http://dx.doi.org/10.1134/s000629790701004x.

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49

Wei, Jian-Hua, Rui-He Zhou, Yan Peng, and Yan-Cheng Liu. "Studies on the Binding Properties of Temozolomide with DNA." Asian Journal of Chemistry 25, no. 5 (2013): 2597–600. http://dx.doi.org/10.14233/ajchem.2013.13502.

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50

Meena, V. "Pyrrolidine carbamate nucleic acids: Synthesis and DNA binding studies." Bioorganic & Medicinal Chemistry 11, no. 16 (August 5, 2003): 3393–99. http://dx.doi.org/10.1016/s0968-0896(03)00331-6.

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