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Lu T, Chen J, Zhang Q, Zhang M, Li Y, Qi Z. Surfactant-mediated mobility of carbon dots in saturated soil: comparison between anionic and cationic surfactants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:37622-37633. [PMID: 36572776 DOI: 10.1007/s11356-022-24878-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 12/15/2022] [Indexed: 06/18/2023]
Abstract
Understanding the mobility, retention, and fate of carbon dots (CDs) is critical for the risk management of this emerging carbon material. However, the influences of surfactants on CDs' transport through subsurface media are still poorly understood. Herein, column experiments were conducted to explore the different influences of an anionic surfactant, sodium dodecylbenzene sulfonate (SDBS), and a cationic surfactant, cetyltrimethylammonium bromide (CTAB), on the CDs' transport in water-saturated soil. In the Na+ background electrolyte, both surfactants facilitated the transport of CDs at pH 7.0. The trend stemmed from steric hindrance, a decline in the straining effect, and competitive deposition between CDs and surfactant molecules. Additionally, SDBS increased the electrostatic repulsion of CDs and soil. Interestingly, in the divalent cation background electrolytes (i.e., Ca2+ or Cu2+), SDBS suppressed CDs' mobility, whereas CTAB had the opposite effect. The transport-inhibited effect of SDBS was mainly due to anionic surfactant ion (DBS-) precipitation with metal cations and the formation of adsorbed SDBS-Cu2+/Ca2+-CDs complexes. The enhanced effect of CTAB resulted from the CTAB coating on soil grains, which suppressed the cation bridging between CDs and soil. Furthermore, the magnitude of the SDBS promotion effect was pH-dependent. Surprisingly, CTAB could inhibit CDs' mobility at pH 9.0, owing to the binding cationic surfactant's strong hydrophobicity effect on the soil surface. Moreover, the experimental breakthrough curves of CDs were well described using a two-site transport model. Overall, the observations obtained from this study shed light on the relative mobility of CDs with different surfactants in typical groundwater conditions.
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Affiliation(s)
- Taotao Lu
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Jiuyan Chen
- Key Laboratory of Environment Remediation and Ecological Health (Zhejiang University), Ministry of Education, Hangzhou, 310058, China
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Qiang Zhang
- Ecology Institute of the Shandong Academy of Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China
| | - Mengli Zhang
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China
| | - Yanxiang Li
- The Testing Center of Shandong Bureau of China Metallurgical Geology Bureau, Jinan, 250014, China
| | - Zhichong Qi
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225009, China.
- Key Laboratory of Environment Remediation and Ecological Health (Zhejiang University), Ministry of Education, Hangzhou, 310058, China.
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
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2
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Kuznetsova DA, Kuznetsov DM, Vasileva LA, Amerhanova SK, Valeeva DN, Salakhieva DV, Nikolaeva VA, Nizameev IR, Islamov DR, Usachev KS, Voloshina AD, Zakharova LY. Complexation of Oligo- and Polynucleotides with Methoxyphenyl-Functionalized Imidazolium Surfactants. Pharmaceutics 2022; 14:pharmaceutics14122685. [PMID: 36559178 PMCID: PMC9782993 DOI: 10.3390/pharmaceutics14122685] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022] Open
Abstract
Interaction between cationic surfactants and nucleic acids attracts much attention due to the possibility of using such systems for gene delivery. Herein, the lipoplexes based on cationic surfactants with imidazolium head group bearing methoxyphenyl fragment (MPI-n, n = 10, 12, 14, 16) and nucleic acids (oligonucleotide and plasmid DNA) were explored. The complex formation was confirmed by dynamic/electrophoretic light scattering, transmission electron microscopy, fluorescence spectroscopy, circular dichroism, and gel electrophoresis. The nanosized lipoplex formation (of about 100-200 nm), contributed by electrostatic, hydrophobic interactions, and intercalation mechanism, has been shown. Significant effects of the hydrocarbon tail length of surfactant and the type of nucleic acid on their interaction was revealed. The cytotoxic effect and transfection ability of lipoplexes studied were determined using M-HeLa, A549 cancer cell lines, and normal Chang liver cells. A selective reduced cytotoxic effect of the complexes on M-HeLa cancer cells was established, as well as a high ability of the systems to be transfected into cancer cells. MPI-n/DNA complexes showed a pronounced transfection activity equal to the commercial preparation Lipofectamine 3000. Thus, it has been shown that MPI-n surfactants are effective agents for nucleic acid condensation and can be considered as potential non-viral vectors for gene delivery.
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Affiliation(s)
- Darya A. Kuznetsova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Str. 8, 420088 Kazan, Russia
- Correspondence:
| | - Denis M. Kuznetsov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Str. 8, 420088 Kazan, Russia
| | - Leysan A. Vasileva
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Str. 8, 420088 Kazan, Russia
| | - Syumbelya K. Amerhanova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Str. 8, 420088 Kazan, Russia
| | - Dilyara N. Valeeva
- Institute of Innovation Management, Kazan National Research Technological University, Karl Marx Str. 68, 420015 Kazan, Russia
| | - Diana V. Salakhieva
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kremlyovskaya Str. 18, 420008 Kazan, Russia
| | - Viktoriia A. Nikolaeva
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, Kremlyovskaya Str. 18, 420008 Kazan, Russia
| | - Irek R. Nizameev
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Str. 8, 420088 Kazan, Russia
| | - Daut R. Islamov
- FRC Kazan Scientific Center of RAS, Russian Academy of Sciences, Lobachevsky Street 2/31, 420111 Kazan, Russia
| | - Konstantin S. Usachev
- FRC Kazan Scientific Center of RAS, Russian Academy of Sciences, Lobachevsky Street 2/31, 420111 Kazan, Russia
| | - Alexandra D. Voloshina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Str. 8, 420088 Kazan, Russia
| | - Lucia Ya. Zakharova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov Str. 8, 420088 Kazan, Russia
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3
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Zhiltsova EP, Ibatullina MR, Kuznetsova DA, Gabdrakhmanov DR, Lukashenko SS, Voloshina AD, Sapunova AS, Lenina OA, Faizullin DA, Zuev YF, Ya. Zakharova L. Complexes of 1-alkyl-4-aza-1-azoniabicyclo[2.2.2]octane bromides with lanthanum nitrate: Aggregation and interaction with biomolecules. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Abstract
Biosurfactant compounds have been studied in many applications, including biomedical, food, cosmetic, agriculture, and bioremediation areas, mainly due to their low toxicity, high biodegradability, and multifunctionality. Among biosurfactants, the lipoplexes of lipoaminoacids play a key role in medical and pharmaceutical fields. Lipoaminoacids (LAAs) are amino acid-based surfactants that are obtained from the condensation reaction of natural origin amino acids with fatty acids or fatty acid derivatives. LAA can be produced by biocatalysis as an alternative to chemical synthesis and thus become very attractive from both the biomedical and the environmental perspectives. Gemini LAAs, which are made of two hydrophobic chains and two amino acid head groups per molecule and linked by a spacer at the level of the amino acid residues, are promising candidates as both drug and gene delivery and protein disassembly agents. Gemini LAA usually show lower critical micelle concentration, interact more efficiently with proteins, and are better solubilising agents for hydrophobic drugs when compared to their monomeric counterparts due to their dimeric structure. A clinically relevant human gene therapy vector must overcome or avoid detect and silence foreign or misplaced DNA whilst delivering sustained levels of therapeutic gene product. Many non-viral DNA vectors trigger these defence mechanisms, being subsequently destroyed or rendered silent. The development of safe and persistently expressing DNA vectors is a crucial prerequisite for a successful clinical application, and it one of the main strategic tasks of non-viral gene therapy research.
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5
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Zakharova LY, Kaupova GI, Gabdrakhmanov DR, Gaynanova GA, Ermakova EA, Mukhitov AR, Galkina IV, Cheresiz SV, Pokrovsky AG, Skvortsova PV, Gogolev YV, Zuev YF. Alkyl triphenylphosphonium surfactants as nucleic acid carriers: complexation efficacy toward DNA decamers, interaction with lipid bilayers and cytotoxicity studies. Phys Chem Chem Phys 2019; 21:16706-16717. [PMID: 31321392 DOI: 10.1039/c9cp02384d] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Herein, for the first time the complexation ability of a homological series of triphenylphosphonium surfactants (TPPB-n) toward DNA decamers has been explored. Formation of lipoplexes was confirmed by alternative techniques, including dynamic light scattering, indicating the occurrence of nanosized complexes (ca. 100-150 nm), and monitoring the charge neutralization of nucleotide phosphate groups and the fluorescence quenching of dye-intercalator ethidium bromide. The complexation efficacy of TPPB-surfactants toward an oligonucleotide (ONu) is compared with that of reference cationic surfactants. Strong effects of the alkyl chain length and the structure of the head group on the surfactant/ONu interaction are revealed, which probably occur via different mechanisms, with electrostatic and hydrophobic forces or intercalation imbedding involved. Phosphonium surfactants are shown to be capable of disordering lipid bilayers, which is supported by a decrease in the temperature of the main phase transition, Tm. This effect enhances with an increase in the alkyl chain length, indicating the integration of TPPB-n with lipid membranes. This markedly differs from the behavior of typical cationic surfactant cetyltrimethylammonium bromide, which induces an increase in the Tm value. It was demonstrated that the cytotoxicity of TPPB-n in terms of the MTT-test on a human cell line 293T nonmonotonically changes within the homological series, with the highest cytotoxicity exhibited by the dodecyl and tetradecyl homologs.
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Affiliation(s)
- Lucia Ya Zakharova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov Street 8, Kazan 420088, Russia.
| | - Guzalia I Kaupova
- Scientific and Technological Center of PAO "Niznekamskneftekhim", Sobolekovskaya Street 23, Nizhnekamsk 423574, Russia
| | - Dinar R Gabdrakhmanov
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov Street 8, Kazan 420088, Russia.
| | - Gulnara A Gaynanova
- A.E. Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov Street 8, Kazan 420088, Russia.
| | - Elena A Ermakova
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Lobachevski Street 2/31, Kazan 420111, Russia
| | - Alexander R Mukhitov
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Lobachevski Street 2/31, Kazan 420111, Russia
| | - Irina V Galkina
- Kazan (Volga Region) Federal University, Kremlevskaya Street 18, Kazan 420008, Russia
| | - Sergey V Cheresiz
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Andrey G Pokrovsky
- Novosibirsk State University, Pirogova Street 2, Novosibirsk 630090, Russia
| | - Polina V Skvortsova
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Lobachevski Street 2/31, Kazan 420111, Russia
| | - Yuri V Gogolev
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Lobachevski Street 2/31, Kazan 420111, Russia
| | - Yuriy F Zuev
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Lobachevski Street 2/31, Kazan 420111, Russia
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6
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Joondan N, Jhaumeer Laulloo S, Caumul P. Amino acids: Building blocks for the synthesis of greener amphiphiles. J DISPER SCI TECHNOL 2018. [DOI: 10.1080/01932691.2017.1421085] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Nausheen Joondan
- Department of Chemistry, Faculty of Science, University of Mauritius, Réduit, Mauritius
| | | | - Prakashanand Caumul
- Department of Chemistry, Faculty of Science, University of Mauritius, Réduit, Mauritius
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7
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Thao Nguyen NL, Park CY, Park JP, Kailasa SK, Park TJ. Synergistic molecular assembly of an aptamer and surfactant on gold nanoparticles for the colorimetric detection of trace levels of As3+ ions in real samples. NEW J CHEM 2018. [DOI: 10.1039/c8nj01097h] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A facile and selective aptasensor was developed by the synergistic molecular assembly of the Ars-3 aptamer on AuNPs for the detection of As3+ ions using CTAB as a binder.
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Affiliation(s)
- Nguyen Le Thao Nguyen
- Department of Chemistry, Institute of Interdisciplinary Convergence Research
- Research Institute of Halal Industrialization Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Chan Yeong Park
- Department of Chemistry, Institute of Interdisciplinary Convergence Research
- Research Institute of Halal Industrialization Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Jong Pil Park
- Department of Pharmaceutical Engineering
- Daegu Haany University
- Gyeongsan 38610
- Republic of Korea
| | - Suresh Kumar Kailasa
- Department of Chemistry, Institute of Interdisciplinary Convergence Research
- Research Institute of Halal Industrialization Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Tae Jung Park
- Department of Chemistry, Institute of Interdisciplinary Convergence Research
- Research Institute of Halal Industrialization Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
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8
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Zhiltsova EP, Pashirova TN, Ibatullina MR, Lukashenko SS, Gubaidullin AT, Islamov DR, Kataeva ON, Kutyreva MP, Zakharova LY. A new surfactant–copper(ii) complex based on 1,4-diazabicyclo[2.2.2]octane amphiphile. Crystal structure determination, self-assembly and functional activity. Phys Chem Chem Phys 2018; 20:12688-12699. [DOI: 10.1039/c8cp01954a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new complex [Cu(L)Br3] (where LBr is 1-cetyl-4-aza-1-azoniabicyclo[2.2.2]octane bromide) has been synthesized and characterized.
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Affiliation(s)
- Elena P. Zhiltsova
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center of RAS
- Kazan
- Russian Federation
| | - Tatiana N. Pashirova
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center of RAS
- Kazan
- Russian Federation
| | - Marina R. Ibatullina
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center of RAS
- Kazan
- Russian Federation
| | - Svetlana S. Lukashenko
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center of RAS
- Kazan
- Russian Federation
| | - Aidar T. Gubaidullin
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center of RAS
- Kazan
- Russian Federation
| | - Daut R. Islamov
- Kazan (Volga Region) Federal University
- Kazan 420008
- Russian Federation
| | - Olga N. Kataeva
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center of RAS
- Kazan
- Russian Federation
| | | | - Lucia Y. Zakharova
- Arbuzov Institute of Organic and Physical Chemistry
- FRC Kazan Scientific Center of RAS
- Kazan
- Russian Federation
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9
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10
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Bélières M, Déjugnat C, Chouini-Lalanne N. Histidine-Based Lipopeptides Enhance Cleavage of Nucleic Acids: Interactions with DNA and Hydrolytic Properties. Bioconjug Chem 2015; 26:2520-9. [DOI: 10.1021/acs.bioconjchem.5b00542] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. Bélières
- Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique (IMRCP), UMR 5623 (CNRS/Université Paul Sabatier), Toulouse 31062, France
| | - C. Déjugnat
- Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique (IMRCP), UMR 5623 (CNRS/Université Paul Sabatier), Toulouse 31062, France
| | - N. Chouini-Lalanne
- Laboratoire des Interactions Moléculaires et Réactivité Chimique et Photochimique (IMRCP), UMR 5623 (CNRS/Université Paul Sabatier), Toulouse 31062, France
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11
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Wan J, Li Y, Li Y, Guo X. Micellization of N-dodecylglucosylamine and its interaction with DNA in the presence of carboxylic acid. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3650-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Richardson SL, Hanjra P, Zhang G, Mackie BD, Peterson DL, Huang R. A direct, ratiometric, and quantitative MALDI-MS assay for protein methyltransferases and acetyltransferases. Anal Biochem 2015; 478:59-64. [PMID: 25778392 DOI: 10.1016/j.ab.2015.03.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 02/18/2015] [Accepted: 03/04/2015] [Indexed: 01/22/2023]
Abstract
Protein methylation and acetylation play important roles in biological processes, and misregulation of these modifications is involved in various diseases. Therefore, it is critical to understand the activities of the enzymes responsible for these modifications. Herein we describe a sensitive method for ratiometric quantification of methylated and acetylated peptides via MALDI-MS by direct spotting of enzymatic methylation and acetylation reaction mixtures without tedious purification procedures. The quantifiable detection limit for peptides with our method is approximately 10 fmol. This is achieved by increasing the signal-to-noise ratio through the addition of NH4H2PO4 to the matrix solution and reduction of the matrix α-cyanohydroxycinnamic acid concentration to 2 mg/ml. We have demonstrated the application of this method in enzyme kinetic analysis and inhibition studies. The unique feature of this method is the simultaneous quantification of multiple peptide species for investigation of processivity mechanisms. Its wide buffer compatibility makes it possible to be adapted to investigate the activity of any protein methyltransferase or acetyltransferase.
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Affiliation(s)
- Stacie L Richardson
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA; Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA 23219, USA
| | - Pahul Hanjra
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA; Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA 23219, USA
| | - Gang Zhang
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA; Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA 23219, USA
| | - Brianna D Mackie
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA; Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA 23219, USA
| | - Darrell L Peterson
- Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA 23219, USA; Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23219, USA
| | - Rong Huang
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA; Institute for Structural Biology and Drug Discovery, Virginia Commonwealth University, Richmond, VA 23219, USA.
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13
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Richardson SL, Mao Y, Zhang G, Hanjra P, Peterson DL, Huang R. Kinetic mechanism of protein N-terminal methyltransferase 1. J Biol Chem 2015; 290:11601-10. [PMID: 25771539 DOI: 10.1074/jbc.m114.626846] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Indexed: 01/10/2023] Open
Abstract
The protein N-terminal methyltransferase 1 (NTMT1) catalyzes the transfer of the methyl group from the S-adenosyl-l-methionine to the protein α-amine, resulting in formation of S-adenosyl-l-homocysteine and α-N-methylated proteins. NTMT1 is an interesting potential anticancer target because it is overexpressed in gastrointestinal cancers and plays an important role in cell mitosis. To gain insight into the biochemical mechanism of NTMT1, we have characterized the kinetic mechanism of recombinant NTMT1 using a fluorescence assay and mass spectrometry. The results of initial velocity, product, and dead-end inhibition studies indicate that methylation by NTMT1 proceeds via a random sequential Bi Bi mechanism. In addition, our processivity studies demonstrate that NTMT1 proceeds via a distributive mechanism for multiple methylations. Together, our studies provide new knowledge about the kinetic mechanism of NTMT1 and lay the foundation for the development of mechanism-based inhibitors.
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Affiliation(s)
- Stacie L Richardson
- From the Department of Medicinal Chemistry, the Institute for Structural Biology and Drug Discovery, and
| | - Yunfei Mao
- From the Department of Medicinal Chemistry, the Institute for Structural Biology and Drug Discovery, and
| | - Gang Zhang
- From the Department of Medicinal Chemistry, the Institute for Structural Biology and Drug Discovery, and
| | - Pahul Hanjra
- From the Department of Medicinal Chemistry, the Institute for Structural Biology and Drug Discovery, and
| | - Darrell L Peterson
- the Institute for Structural Biology and Drug Discovery, and the Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, Virginia 23219
| | - Rong Huang
- From the Department of Medicinal Chemistry, the Institute for Structural Biology and Drug Discovery, and
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14
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Zakharova LY, Vasilieva EA, Gabdrakhmanov DR, Konovalov AI, Zuev YF. Complexation of mono- and dicationic surfactants with decanucleotide. Influence of the head group nature. Russ Chem Bull 2015. [DOI: 10.1007/s11172-014-0643-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Gupta N, Santhiya D, Aditya A, Badra K. Dendrimer templated bioactive glass-ceramic nanovehicle for gene delivery applications. RSC Adv 2015. [DOI: 10.1039/c5ra04441c] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Herein, multifunctional nanocrystalline microporous 45S5 bioglass particles were synthesized using poly(amidoamine) dendrimer generation 3 as a template and evaluated for gene delivery applications.
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Affiliation(s)
- Nidhi Gupta
- Delhi Technological University
- Department of Applied Chemistry and Polymer Technology
- Delhi-110 042
- India
| | - Deenan Santhiya
- Delhi Technological University
- Department of Applied Chemistry and Polymer Technology
- Delhi-110 042
- India
| | - Anusha Aditya
- Institute of Genomics and Integrative Biology (CSIR)
- Delhi-110025
- India
| | - Kishore Badra
- Delhi Technological University
- Department of Applied Chemistry and Polymer Technology
- Delhi-110 042
- India
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16
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Vesicle formation between single-chained cationic surfactant and plasmid DNA and its application in cell transfection. Colloid Polym Sci 2014. [DOI: 10.1007/s00396-014-3352-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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17
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Bhadani A, Endo T, Koura S, Sakai K, Abe M, Sakai H. Self-aggregation and liquid crystalline behavior of new ester-functionalized quinuclidinolium surfactants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:9036-44. [PMID: 25058797 DOI: 10.1021/la502098h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
A new type of ester-based cationic surfactant having a quinuclidinolium headgroup has been synthesized starting from linear fatty alcohols and has been characterized using spectroscopic techniques. The self-aggregation and thermodynamic properties of these surfactants have been investigated by pendant-drop surface tensiometry and conductivity measurements. The liquid crystalline behaviors of these surfactants were investigated by small-angle X-ray scattering (SAXS) technique. The quinuclidinolium headgroup demonstrated a unique ability to interlock among themselves thus affecting the physicochemical properties of surfactants in aqueous solution. The current research finding supports the new concept of headgroup interlocking which is supported by 1D and 2D NMR studies.
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Affiliation(s)
- Avinash Bhadani
- Department of Pure and Applied Chemistry in Faculty of Science and Technology and Research Institute for Science and Technology, Tokyo University of Science , 2641 Yamazaki, Noda, Chiba 278-8510, Japan
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18
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Lee S, Manjunatha DH, Jeon W, Ban C. Cationic surfactant-based colorimetric detection of Plasmodium lactate dehydrogenase, a biomarker for malaria, using the specific DNA aptamer. PLoS One 2014; 9:e100847. [PMID: 24992632 PMCID: PMC4081113 DOI: 10.1371/journal.pone.0100847] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2014] [Accepted: 05/30/2014] [Indexed: 02/07/2023] Open
Abstract
A simple, sensitive, and selective colorimetric biosensor for the detection of the malarial biomarkers Plasmodium vivax lactate dehydrogenase (PvLDH) and Plasmodium falciparum LDH (PfLDH) was demonstrated using the pL1 aptamer as the recognition element and gold nanoparticles (AuNPs) as probes. The proposed method is based on the aggregation of AuNPs using hexadecyltrimethylammonium bromide (CTAB). The AuNPs exhibited a sensitive color change from red to blue, which could be seen directly with the naked eye and was monitored using UV-visible absorption spectroscopy and transmission electron microscopy (TEM). The reaction conditions were optimized to obtain the maximum color intensity. PvLDH and PfLDH were discernible with a detection limit of 1.25 pM and 2.94 pM, respectively. The applicability of the proposed biosensor was also examined in commercially available human serum.
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Affiliation(s)
- Seonghwan Lee
- Department of Chemistry, Pohang University of Science and Technology, Pohang, Gyeongbuk, Republic of Korea
| | - D H Manjunatha
- Department of Chemistry, Pohang University of Science and Technology, Pohang, Gyeongbuk, Republic of Korea
| | - Weejeong Jeon
- Department of Chemistry, Pohang University of Science and Technology, Pohang, Gyeongbuk, Republic of Korea
| | - Changill Ban
- Department of Chemistry, Pohang University of Science and Technology, Pohang, Gyeongbuk, Republic of Korea
- * E-mail:
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19
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Zhi D, Zhang S, Cui S, Zhao Y, Wang Y, Zhao D. The Headgroup Evolution of Cationic Lipids for Gene Delivery. Bioconjug Chem 2013; 24:487-519. [DOI: 10.1021/bc300381s] [Citation(s) in RCA: 188] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Defu Zhi
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, Dalian 116012, China
- State Ethnic Affairs Commission-Ministry
of Education Key Laboratory of Biotechnology and Bio-resources Utilization, Dalian Nationalities University, Dalian 116600, China
| | - Shubiao Zhang
- State Ethnic Affairs Commission-Ministry
of Education Key Laboratory of Biotechnology and Bio-resources Utilization, Dalian Nationalities University, Dalian 116600, China
| | - Shaohui Cui
- State Ethnic Affairs Commission-Ministry
of Education Key Laboratory of Biotechnology and Bio-resources Utilization, Dalian Nationalities University, Dalian 116600, China
| | - Yinan Zhao
- State Ethnic Affairs Commission-Ministry
of Education Key Laboratory of Biotechnology and Bio-resources Utilization, Dalian Nationalities University, Dalian 116600, China
| | | | - Defeng Zhao
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, Dalian 116012, China
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20
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Gabdrakhmanov DR, Voronin MA, Zakharova LY, Konovalov AI, Khaybullin RN, Strobykina IY, Kataev VE, Faizullin DA, Gogoleva NE, Konnova TA, Salnikov VV, Zuev YF. Supramolecular design of biocompatible nanocontainers based on amphiphilic derivatives of a natural compound isosteviol. Phys Chem Chem Phys 2013; 15:16725-35. [DOI: 10.1039/c3cp51511g] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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21
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Valente AJ, Cruz SM, Murtinho DM, Miguel MG, Muniz EC. DNA–poly(vinyl alcohol) gel matrices: Release properties are strongly dependent on electrolytes and cationic surfactants. Colloids Surf B Biointerfaces 2013; 101:111-7. [DOI: 10.1016/j.colsurfb.2012.05.039] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2011] [Revised: 04/09/2012] [Accepted: 05/30/2012] [Indexed: 10/28/2022]
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22
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Wu Y, Liu L, Zhan S, Wang F, Zhou P. Ultrasensitive aptamer biosensor for arsenic(III) detection in aqueous solution based on surfactant-induced aggregation of gold nanoparticles. Analyst 2012; 137:4171-8. [PMID: 22842645 DOI: 10.1039/c2an35711a] [Citation(s) in RCA: 101] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This paper reports the colorimetric and resonance scattering (RS)-based biosensor for the ultrasensitive detection of As(III) in aqueous solution via aggregating gold nanoparticles (AuNPs) by the special interactions between arsenic-binding aptamer, target and cationic surfactant. Aptamers and the cationic surfactant could assemble to form a supramolecule, which prevented AuNPs from aggregating due to the exhaustion of cationic surfactant. The introduction of As(III) specifically interacted with the arsenic-binding aptamer to form the aptamer-As(III) complex, so that the following cationic surfactant could aggregate AuNPs and cause the remarkable change in color and RS intensity. The results of circular dichroism (CD) and scanning probe microscope (SPM) testified to the formation of the supramolecule and aptamer-As(III) complex, and the observation of transmission electron microscope (TEM) further confirmed that the aggregation of AuNPs could be controlled by the interactions among the aptamer, As(III) and cationic surfactant. The variations of absorbance and RS intensity were exponentially related to the concentration of As(III) in the range from 1 to 1500 ppb, with the detection limit of 40 ppb for the naked eye, 0.6 ppb for colorimetric assay and 0.77 ppb for RS assay. Additionally, the speed of the present biosensor was rapid, and it also exhibited high selectivity over other metal ions with an excellent recovery for detection in real water samples, suggesting that the proposed biosensor will play an important role in environmental detection.
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Affiliation(s)
- Yuangen Wu
- Key Laboratory of Urban Agriculture, Ministry of Agriculture, Shanghai Jiao Tong University, China
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23
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Santhiya D, Dias RS, Dutta S, Das PK, Miguel MG, Lindman B, Maiti S. Kinetic Studies of Amino Acid-Based Surfactant Binding to DNA. J Phys Chem B 2012; 116:5831-7. [DOI: 10.1021/jp301069t] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Deenan Santhiya
- Institute of Genomics and Integrative
Biology, CSIR, Mall Road, Delhi 110007,
India
| | - Rita S. Dias
- Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra,
Portugal
| | - Sounak Dutta
- Department of Biological
Chemistry, Indian Association for the Cultivation of Science,
Jadavpur, Kolkata 700032, India
| | - Prasanta Kumar Das
- Department of Biological
Chemistry, Indian Association for the Cultivation of Science,
Jadavpur, Kolkata 700032, India
| | - Maria G. Miguel
- Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra,
Portugal
| | - Björn Lindman
- Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra,
Portugal
- Physical Chemistry, Department
of Chemistry, Lund University, P.O. Box
124, S-22100 Lund, Sweden
| | - Souvik Maiti
- Institute of Genomics and Integrative
Biology, CSIR, Mall Road, Delhi 110007,
India
- National Chemical Laboratory, CSIR, Dr.
Homi Bhabha Road, Pune 411008, India
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24
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Zakharova L, Voronin M, Semenov V, Gabdrakhmanov D, Syakaev V, Gogolev Y, Giniyatullin R, Lukashenko S, Reznik V, Latypov S, Konovalov A, Zuev Y. Supramolecular systems based on novel mono- and dicationic pyrimidinic amphiphiles and oligonucleotides: a self-organization and complexation study. Chemphyschem 2012; 13:788-96. [PMID: 22287323 DOI: 10.1002/cphc.201100888] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2011] [Indexed: 11/11/2022]
Abstract
Novel mono- and dicationic pyrimidinic surfactants are synthesized and their aggregation behavior is studied by methods of tensiometry and nuclear magnetic resonance (NMR) self-diffusion. To estimate their potentiality as gene delivery agents, the complexation with oligonucleotides (ONus) is explored by dynamic light scattering (DLS) and zeta-potential titration methods and ethidium bromide exclusion experiments. Bola-type pyrimidinic amphiphile (BPM) demonstrates rather a weak affinity to ONus. Although it induces mixed associations with ONus, only slight charge compensation changes occur at a large excess of bola, with no recharging reached. Similarly, the ethydium bromide exclusion study reveals a slow increase in the binding capacity toward an ONu with an increment in BPM concentration. The monocationic pyrimidinic surfactant (MPM) and its gemini analogue (GPM-1) are ranked as intermediates in both their aggregative activity and complexing properties toward ONus. They both form mixed associates with ONus well below the critical micelle concentrations (cmcs) of 2 and 15 mM respectively. However, GPM-1 has a much lower isoelectric point at the molar ratio surfactant/ONu r~1 compared to r~3 for MPM. This probably indicates a larger electrostatic contribution to the ONu complexation in the case of GPM-1. The most hydrophobic pyrimidinic surfactant (GPM-2), bearing three alkyl tails, demonstrates enhanced aggregative activity and binding capacity toward ONus as compared to former pyrimidinic surfactants. Due to effective aggregative (low cmc of 0.04 mM) plus binding properties (fraction of bound ONu β=0.76 at r=2.5), GPM-2 may be ranked as a promising agent for wider biological applications.
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Affiliation(s)
- Lucia Zakharova
- A E Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of the Russian Academy of Sciences, Kazan, Russia.
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25
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Gopal V, Xavier J, Kamal MZ, Govindarajan S, Takafuji M, Soga S, Ueno T, Ihara H, Rao NM. Synthesis and transfection efficiency of cationic oligopeptide lipids: role of linker. Bioconjug Chem 2011; 22:2244-54. [PMID: 21985175 DOI: 10.1021/bc2002874] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In the design of new cationic lipids for gene transfection, the chemistry of linkers is widely investigated from the viewpoint of biodegradation and less from their contribution to the biophysical properties. We synthesized two dodecyl lipids with glutamide as the backbone and two lysines to provide the cationic headgroup. Lipid 1 differs from Lipid 2 by the presence of an amide linkage instead of an ester linkage that characterizes Lipid 2. The transfection efficiency of lipoplexes with cholesterol as colipid was found to be very high with Lipid 1 on Chinese Hamster Ovary (CHO) and HepG2 cell lines, whereas Lipid 2 has shown partial transfection efficiency on HepG2 cells. Lipid 1 was found to be stable in the presence of serum when tested in HepG2 and CHO cells albeit with lower activity. Fluorescence-based dye-binding and agarose gel-based assays indicated that Lipid 1 binds to DNA more efficiently than Lipid 2 at charge ratios of >1:1. The uptake of oligonucleotides with Lipid 1 was higher than Lipid 2 as revealed by confocal microscopy. Transmission electron microscopy (TEM) images reveal distinct formation of liposomes and lipoplexes with Lipid 1 but fragmented and unordered structures with Lipid 2. Fusion of Lipids 1 and 2 with anionic vesicles, with composition similar to plasma membrane, suggests that fusion of Lipid 2 was very rapid and unlike a fusion event, whereas the fusion kinetics of Lipid 1 vesicles was more defined. Differential scanning calorimetry (DSC) revealed a high T(m) for Lipid 1 (65.4 °C) while Lipid 2 had a T(m) of 23.5 °C. Surface area-pressure isotherms of Lipid 1 was less compressible compared to Lipid 2. However, microviscosity measured using 1,6-diphenyl-1,3,5-hexatriene (DPH) revealed identical values for vesicles made with either of the lipids. The presence of amide linker apparently resulted in stable vesicle formation, higher melting temperature, and low compressibility, while retaining the membrane fluid properties suggesting that the intermolecular hydrogen bonds of Lipid 1 yielded stable lipoplexes of high transfection efficiency.
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Affiliation(s)
- Vijaya Gopal
- Centre for Cellular and Molecular Biology, Council of Scientific and Industrial Research, Uppal Road, Hyderabad, India
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26
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Bhadani A, Kataria H, Singh S. Synthesis, characterization and comparative evaluation of phenoxy ring containing long chain gemini imidazolium and pyridinium amphiphiles. J Colloid Interface Sci 2011; 361:33-41. [PMID: 21676409 DOI: 10.1016/j.jcis.2011.05.023] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 05/05/2011] [Accepted: 05/05/2011] [Indexed: 12/31/2022]
Abstract
Two series of phenoxy ring containing long chain imidazolium and pyridinium based gemini amphiphiles have been synthesized from renewable cardanol oil having different spacers (i. e. -S-(CH(2))(n)-S-, where n is 2, 3, 4 & 6). Critical micelle concentration (cmc) of these new gemini amphiphiles has been determined by conductivity method. Further, these new cationic amphiphiles have been evaluated for their DNA binding capability by agarose gel electrophoresis, ethidium bromide exclusion experiments and transmission electron microscopy (TEM). The cytotoxicity of these new amphiphiles have been evaluated by MTT (3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay. Comparative studies of these phenoxy ring containing long chain gemini imidazolium amphiphiles and their pyridinium analogues depicted low cmc values of the later but greater DNA interaction capability and low cytotoxicity of the former series of amphiphiles.
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Affiliation(s)
- Avinash Bhadani
- Department of Chemistry-UGC Sponsored-Centre of Advance Studies-I, Guru Nanak Dev University, Amritsar, India
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