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Journal articles on the topic 'Cetylpyridinium bromide (CPB)'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Kumar, Anil. "Acoustic Behaviour of Cetylpyridinium Bromide (CPB) in Methanol." Physics and Chemistry of Liquids 21, no. 1 (1990): 35–44. http://dx.doi.org/10.1080/00319109008028462.

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2

Kapitonov, Egor A., Natalia N. Petrova, Vasilii V. Mukhin, et al. "Enhanced Physical and Mechanical Properties of Nitrile-Butadiene Rubber Composites with N-Cetylpyridinium Bromide-Carbon Black." Molecules 26, no. 4 (2021): 805. http://dx.doi.org/10.3390/molecules26040805.

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The physical and mechanical properties of nitrile–butadiene rubber (NBR) composites with N-cetylpyridinium bromide-carbon black (CPB-CB) were investigated. Addition of 5 parts per hundred rubber (phr) of CPB-CB into NBR improved the tensile strength by 124%, vulcanization rate by 41%, shore hardness by 15%, and decreased the volumetric wear by 7% compared to those of the base rubber-CB composite.

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3

Gómez, Marisol, Margarita E. Aliaga, Verónica Arancibia, et al. "Detection of SO2 derivatives using a new chalco-coumarin derivative in cationic micellar media: application to real samples." RSC Advances 8, no. 55 (2018): 31261–66. http://dx.doi.org/10.1039/c8ra04526g.

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A new probe ChC16 was synthesized and studied as a turn-on fluorescent probe, based on a Michael addition mechanism for sensing SO<sub>2</sub> derivatives, which is favored in the presence of cationic micellar media such as cetylpyridinium bromide (CPB).

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Yang, Weihua, Xiaoyan Lin, Honghui Wang, and Wutao Yang. "Ferrate(VI): a novel oxidant for degradation of cationic surfactant – cetylpyridinium bromide." Water Science and Technology 67, no. 10 (2013): 2184–89. http://dx.doi.org/10.2166/wst.2013.101.

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Ferrate(VI) is an efficient multi-functional water treatment reagent that has several novel properties, such as strong oxidation, absorption, flocculation, disinfection and deodorization. The removal of cationic surfactants based on ferrate (K2FeO4) was performed in the case of cetylpyridinium bromide (CPB). The inﬂuence of operating variables on the mineralization efﬁciency was studied as a function of ferrate dosage, initial pH and reaction time. Total organic carbon (TOC), UV and infrared spectra were performed to gain a better understanding of the degradation process. Results show that the

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Ayala, Juan H., Ana M. Afonso, and Venerando González. "Fluorescence Quenching of Polycyclic Aromatic Hydrocarbons by Cetylpyridinium Bromide: Discrimination between Alternant and Nonalternant Hydrocarbons." Applied Spectroscopy 51, no. 3 (1997): 380–86. http://dx.doi.org/10.1366/0003702971940242.

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Molecules of polycyclic hydrocarbons (PAHs) that contain between two and five rings undergo quenching processes in the presence of cetylpyridinium bromide (CPB), which can act as quencher and as surfactant. The CPB concentration and the nature of the PAHs notably influence the inhibition mechanisms of fluorescence. Dynamic quenching is predominant for all hydrocarbons in solutions in which CPB is found in the form of monomers. When the quencher forms premicellar aggregates, fluoranthene, benzo[ a]pyrene, and benz[ a]anthracene undergo dynamic quenching, while for the remaining PAHs the dynamic

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6

Allam, Eman M., Taysser A. Lashen, Saeyda A. Abou El-Enein, et al. "Cetylpyridinium Bromide/Polyvinyl Chloride for Substantially Efficient Capture of Rare Earth Elements from Chloride Solution." Polymers 14, no. 5 (2022): 954. http://dx.doi.org/10.3390/polym14050954.

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A new sorbent cetylpyridinium bromide/polyvinylchloride (CPB/PVC) was prepared and tested to extract rare earth elements (REEs) from their chloride solutions. It was identified by FTIR, TGA, SEM, EDX, and XRD. The impact of various factors such as pH, RE ion initial concentration, contacting time, and dose amount via sorption process was inspected. The optimum pH was 6.0, and the equilibrium contact time was reached at 60 min at 25 °C. The prepared adsorbent (CPB/PVC) uptake capacity was 182.6 mg/g. The adsorption of RE ions onto the CPB/PVC sorbent was found to fit the Langmuir isotherm as we

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7

Malek, Nik Ahmad Nizam Nik, and Nur Isti'anah Ramli. "Characterization and antibacterial activity of cetylpyridinium bromide (CPB) immobilized on kaolinite with different CPB loadings." Applied Clay Science 109-110 (June 2015): 8–14. http://dx.doi.org/10.1016/j.clay.2015.03.007.

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8

Li, Chengle, Jing Yao, Tian C. Zhang, Wenya Xing, Ying Liang, and Mingli Xiang. "Simultaneous removal of nitrogen and phosphorus by cetylpyridinium bromide modified zeolite." Water Science and Technology 76, no. 11 (2017): 2895–906. http://dx.doi.org/10.2166/wst.2017.459.

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Abstract In this study, surfactant modified zeolite-clinoptilolite (SMZ) by CPB (cetylpyridinium bromide) was used for simultaneous removal of ammonium, nitrate and phosphate in synthetic wastewater, and the sorption properties of SMZ were determined and compared with natural zeolite. Results showed that natural clinoptilolite had good affinity for ammonium (8.940 mg/g), but not for nitrate (0.427 mg/g) and phosphate (0.801 mg/g). With the increase of surfactant loading from 5 g/L to 40 g/L, the sorption capacity for nitrate increased from 0.462 mg/g to 4.661 mg/g. when the surfactant loading

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Lin, Jian Wei, Yan Hui Zhan, Yun Qing Xing, and Yu Liu. "Adsorption of Cr(VI) onto Cetylpyridinium Bromide Modified Zeolites: Effect of Surfactant Loading, Solution pH, Ionic Strength and Coexisting Anions." Advanced Materials Research 183-185 (January 2011): 1772–76. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.1772.

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Surfactant-modified zeolites (SMZ) with different coverage types were prepared by loading the cetylpyridinium bromide (CPB) onto the surface of the natural zeolite collected from Jinyun County, Zhejiang Province, China. The adsorption behavior of Cr(VI) on SMZ was investigated. Natural zeolite and SMZ with CPB monolayer coverage were inefficient for the removal of Cr(VI) from aqueous solution. However, SMZ with CPB patchy bilayer or bilayer coverage was efficient in the removal of Cr(VI) and the Cr(VI) adsorption capacity of SMZ increased with its CPB loading. The Cr(VI) adsorption capacity of

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10

Ali, Md Mohosin, Tajmul Hasan, Javed Masood Khan, et al. "Association behavior and physico-chemical parameters of a cetylpyridinium bromide and levofloxacin hemihydrate mixture in aqueous and additive media." RSC Advances 13, no. 30 (2023): 20709–22. http://dx.doi.org/10.1039/d3ra02621c.

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11

Lei, Chao, Yong-you Hu, and Min-zhen He. "Adsorption characteristics of triclosan from aqueous solution onto cetylpyridinium bromide (CPB) modified zeolites." Chemical Engineering Journal 219 (March 2013): 361–70. http://dx.doi.org/10.1016/j.cej.2012.12.099.

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12

Febriyanti, Erna, Rino R. Mukti, Veinardi Suendo, et al. "Synthesis of Mesoporous Silica Particles with Fibrous Morphology via Self-Assembly Process in Microemulsion System." Advanced Materials Research 1112 (July 2015): 172–75. http://dx.doi.org/10.4028/www.scientific.net/amr.1112.172.

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In this research, several precursors were chosen to solve the drawbacks of using toxic and expensive chemicals in the synthesis of fibrous mesoporous silica particle via self-assembly process in microemulsion system. The synthesis of this emerging material normally is realized by using toxic cetylpyridinium bromide (CPB) as common structure directing agent in conjunction with combined cyclohexane and n-pentanol as expensive solvent and co-solvent, respectively. Less toxic cetyltrimethylammonium bromide (CTAB) can be the replacement for CPB but the use of this surfactant may drastically reduce

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13

Ezhilrani, V. C., Vigneshwari R, and Sasmita Dash. "Comparison Between Interaction of Hydrophobic-anionic and Hydrophobic-cationic Mixed Micellar System with Drug Ciprofloxacin." Oriental Journal Of Chemistry 37, no. 6 (2021): 1376–86. http://dx.doi.org/10.13005/ojc/370616.

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The interaction studies of drug ciprofloxacin with two mixed micellar systems are reported. The mixed micelles comprise a nonionic hydrophobic surfactant, pluronic L-81, an anionic surfactant, Ammonium dodecyl sulfate (ADS); and a cationic surfactant, Cetylpyridinium bromide (CPB). The various combinations chosen were L-81-ADS and L-81-CPB. The properties of both the mixed micelles were compared. Spectrophotometric, conductometric, co-solvent effect, and Infrared studies were used for the investigations. The studies were carried out in a wide range of mixed micellar concentrations in the post

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14

Zhan, Yanhui, Jianwei Lin, and Zhiliang Zhu. "Removal of nitrate from aqueous solution using cetylpyridinium bromide (CPB) modified zeolite as adsorbent." Journal of Hazardous Materials 186, no. 2-3 (2011): 1972–78. http://dx.doi.org/10.1016/j.jhazmat.2010.12.090.

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15

Soldatkina, Liudmyla, and Marianna Zavrichko. "Equilibrium, Kinetic, and Thermodynamic Studies of Anionic Dyes Adsorption on Corn Stalks Modified by Cetylpyridinium Bromide." Colloids and Interfaces 3, no. 1 (2018): 4. http://dx.doi.org/10.3390/colloids3010004.

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Corn stalks (CS) were modified by a cationic surfactant, cetylpyridinium bromide (CPB), and used as an adsorbent (CS-CP) to remove anionic dyes [Acid Red (AR) and Acid Orange (AO)] from aqueous solutions. The FTIR analysis and the obtained calculations based on the determination of the adsorption capacity of CS towards CPB confirmed that the cationic surfactant had been adsorbed on the surface of corn stalks. Adsorption of the anionic dyes on modified corn stalks was investigated in a series of batch adsorption experiments at 303–328 K. The adsorption data were analyzed using Langmuir, Freundl

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16

Scacchetti, Fabio A. P., Daniela S. de Almeida, Roberta Santos, et al. "Preliminary Studies on Antimicrobial Properties for Nanofiber Air Filters." Materials Science Forum 1063 (June 10, 2022): 57–62. http://dx.doi.org/10.4028/p-wykmip.

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The purpose of this study was to investigate a potential antimicrobial activity of biodegradable cellulose acetate (CA)/ cetylpyridinium bromide (CPB) nanofiber filters produced by electrospinning technique. Samples of these nanofibers were produced over a nonwoven substrate, using a polymeric solution in the electrospinning process. Wettability tests were performed by measuring the contact angle of droplets of water deposited on their surface. The evaluation of the antibacterial properties of the nanofibers was performed for Escherichia coli using quantitative methods. Regarding the contact a

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17

Yunusov, Timur Ildarovich, Lyutsia Faritovna Davletshina, Dmitriy Nikolaevich Klimov, Lyubov Abdulaevna Magadova, and Mikhail Alexandrovich Silin. "Study of Wettability Alteration of Hydrophobic Carbonate Rock by Surfactant-Containing Chelating Agent Solutions." Applied Sciences 13, no. 17 (2023): 9664. http://dx.doi.org/10.3390/app13179664.

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Chelating agents’ application for well stimulation is gaining more and more interest, as they can perform under harsh conditions. However, the mutual influence of surfactants and chelating agents on the wettability alteration of hydrophobic carbonate rock under conditions of high-temperature well stimulation is relatively unexplored. This paper aims to study interfacial processes on the surface of hydrophobic rock in the presence of the EDTA-based chelating agent and surfactants of different classes. Cationic (cetyltrimethylammonium bromide, CTAB, and cetylpyridinium bromide, CPB), anionic (so

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18

Green, Michael R., and Joseph Sambrook. "Purification of Labeled Oligonucleotides by Size-Exclusion Chromatography." Cold Spring Harbor Protocols 2021, no. 10 (2021): pdb.prot100719. http://dx.doi.org/10.1101/pdb.prot100719.

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When labeled oligonucleotides are to be used in enzymatic reactions such as primer extension, virtually all of the unincorporated label must be removed from the oligonucleotide. For this purpose, chromatographic methods or gel electrophoresis are superior to differential precipitation of the oligonucleotide with ethanol or cetylpyridinium bromide (CPB). This protocol describes a method to separate labeled oligonucleotides from unincorporated label that takes advantage of differences in mobility between oligonucleotides and mononucleotides during size-exclusion chromatography. Although size-exc

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19

A., B. Zade, and S. Dhepe A. "Spectrophotometric microdetermination of gadolinium(III) and terbium(III) with xylenol orange in presence of cationic cetylpyridinium bromide as a surfactant." Journal of Indian Chemical Society Vol. 90, Sep 2013 (2013): 1367–78. https://doi.org/10.5281/zenodo.5789068.

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Department of Chemistry, Laxminarayan Institute of Technology, R. T. M. Nagpur University, Nagpur-440 010, Maharashtra, India <em>E-mail</em>: ab_zade18@yahoo.com Fax: 91-712-2561107 Department of Applied Chemistry, Smt. Radhikatai Pandav College of Engineering, Nagpur-411 204, Maharashtra, India <em>E-mail:</em> as_dhepe@yahoo.com <em>Manuscript received online 04 December 2012, revised 28 December 2012, accepted 30 December 2012</em> Xylenol orange (XO) has been reported earlier to form violet colored binary complexes with several lanthanides and used for the determination of several metal i

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20

Ghadiri, S., R. Nabizadeh, A. Mahvi, S. Nasseri, A. Mesdaghinia, and S. Talebi. "Potential of granulated modified nanozeolites Y for MTBE removal from aqueous solutions: Kinetic and isotherm studies." Polish Journal of Chemical Technology 14, no. 2 (2012): 1–8. http://dx.doi.org/10.2478/v10026-012-0063-8.

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Potential of granulated modified nanozeolites Y for MTBE removal from aqueous solutions: Kinetic and isotherm studies Adsorption of methyl tert-butyl ether (MTBE) from aqueous solutions by granulated modified nanozeolites Y was investigated. Nanozeolite Y powders were converted into granulated zeolites and subsequently modified with two cationic surfactants (20 mmol/dm3), to be used as adsorbent. Granulated nanozeolites were characterized by BET surface area analysis, elemental analysis and X-ray diffractometer. -Hexade-cyltrimethylammonium (HDTMA-Cl) modified granulated zeolite had more effec

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Li, Jia, Yanhui Zhan, Jianwei Lin, Ai Jiang, and Wang Xi. "Removal of bisphenol A from aqueous solution using cetylpyridinium bromide (CPB)-modified natural zeolites as adsorbents." Environmental Earth Sciences 72, no. 10 (2014): 3969–80. http://dx.doi.org/10.1007/s12665-014-3286-6.

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22

Dhepe, A. S., and A. B. Zade. "Spectrophotometric Study of Ternary Complex Forming Systems of Some Lanthanide Metal Ions with Eriochrome Cyanine R in Presence of Cetylpyridinium Bromide for Microdetermination." E-Journal of Chemistry 8, no. 3 (2011): 1264–74. http://dx.doi.org/10.1155/2011/871685.

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Study of coordination compounds of lanthanide elements has received a great attention due to growing applications in science and technology. Number of chromogenic reagents form water soluble colored complexes with lanthanides. Eriochrome cyanine R (ECR) a member of triphenylmethane type of dye has been reported to form green colored complexes with lanthanides and has been used for microdetermination of these metal ions. Addition of cationic surfactant, Cetylpyridinium bromide (CPB), a cationic surfactant sensitizes the color reactions of Gd(III), Tb(III), Dy(III), Ho(III) and Lu(III) with ECR.

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23

Naddafi, Kazem, Noushin Rastkari, Ramin Nabizadeh, Reza Saeedi, and Maryam Gholami. "Removal of 2,4,6-trichlorophenol from aqueous solutions by cetylpyridinium bromide (CPB) modified zeolite in batch and continuous systems." DESALINATION AND WATER TREATMENT 86 (2017): 131–38. http://dx.doi.org/10.5004/dwt.2017.21283.

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24

Kavieva, Liya, and Guzel Ziyatdinova. "Voltammetric Sensor Based on SeO2 Nanoparticles and Surfactants for Indigo Carmine Determination." Sensors 22, no. 9 (2022): 3224. http://dx.doi.org/10.3390/s22093224.

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Indigo carmine is a widely used colorant in the food and pharmaceutical industry a high concentration of which can lead to a wide range of negative effects on human health. Therefore, colorant contents have to be strictly controlled. SeO2-nanoparticle-modified glassy carbon electrodes (GCE) have been developed as a voltammetric sensor for indigo carmine. Various types and concentrations of surfactants have been used as reagents for the stabilization of SeO2 nanoparticle dispersions and as electrode surface co-modifiers. An amount of 1.0 mM cationic cetylpyridinium bromide (CPB) provides the be

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Shapovalov, Serghey, Vadim Ponomariov, Oryna Mosharenkova, and Sophia Butenko. "Studies of the Association of Dyes with Surfactants in Aqueous Solutions: Spectrophotometry and Computer Simulation." French-Ukrainian Journal of Chemistry 7, no. 2 (2019): 9–19. http://dx.doi.org/10.17721/fujcv7i2p9-19.

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The association of cationic dye (pinacyanol, PC) with anionic dyes (ethyleosin, EE, or rhodamine 200 C, R200C), and also the interaction “dye+surfactant” has been investigated in aqueous solutions by visible spectroscopy and computer simulation. Cetylpyridinium bromide (CPB), sodium dodecylsulfate (SDS) and triton X-100 (TX) were used as cationic, anionic and non-ionic surfactants respectively. The formation of “dye+surfactant” associates takes place at low dye concentrations (≥10‑6 M) and concentrations of surfactant, which are much smaller than the critical micelle concentrations (CMC). In c

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Manas, Chakrabarty, and Mukherji Ajanta. "Eco-friendly synthesis of condensed nitrogen heterocycles A brief experience from our group." Journal of Indian Chemical Society Vol. 90, Oct 2013 (2013): 1681–94. https://doi.org/10.5281/zenodo.5791819.

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Formerly, Department of Chemistry, Bose Institute, 9311, Acharya Prafulla Chandra Road, Kolkata-700 009, India <em>E-mail </em>: chakmanas09@gmail.com Department of Chemistry, Krishnagar Government College, Krishnagar-741 101, Nadia, West Bengal, India <em>Manuscript received 05 July 2013. accepted 06 July 2013</em> In order to develop eco-friendly syntheses of condensed nitrogen heterocycles, solvent-free syntheses on solid acidic catalysts and aqueous reactions using a phase transfer catalyst (PTC) were successfully carried out. The catalysts used were (i) TLC-grade silica gel G (SiO<sub>2</

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Marconi, Eleonora, Igor Luisetto, and Luca Tortora. "Green synthesis and characterization of titanium dioxide nanoparticles and their photocatalytic activity." Acta IMEKO 13, no. 3 (2024): 1–7. http://dx.doi.org/10.21014/actaimeko.v13i3.1775.

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In this study, we compared two low-temperature synthesis procedures for the large-scale production of titania nanoparticles (NPs). The first takes place in an aqueous medium with an acidic environment, by using a triblock polymer surfactant (Pluronic 123). The second involves a polycondensation reaction of alkoxide precursors at 70 °C in a water-in-oil (W/O) microemulsion with a volume ratio of 1:1, using cetylpyridinium bromide (CPB) as a cationic surfactant. The morphological and structural characterization of the samples was carried out through Scanning Electron Microscopy (SEM) and X-Ray D

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Ling-Li, Wang, Ma Wan-Hong, Wang Shu-Lian, et al. "The Contrastive Research in the Photocatalytic Activity of BiOBr Synthesized by Different Reactants." Journal of Nanomaterials 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/619761.

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BiOBr nanoplates, marked asα-BiOBr andβ-BiOBr, were synthesized via hydrothermal method using cetylpyridinium bromide (CPB) and NaBr as reactants, respectively. X-Ray Diffraction (XRD), transmission electron microscope (TEM), N2adsorption/desorption, UV-visible diffuse reflectance spectroscopy (UV-Vis DRS), and cyclic voltammetry (CV) were employed to characterize the obtained BiOBr. The results showed thatα-BiOBr andβ-BiOBr can absorb visible light and both the band gaps of them were about 2.76 eV. Under visible light irradiation, the photodegradation of organic dye sulforhodamine (SRB) and s

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29

Micó-Vicent, Bàrbara, Esther Perales Romero, Ruperto Bermejo, Jorge Jordán-Núñez, Valentín Viqueira, and Jorge Pérez. "Using Laminar Nanoclays for Phycocyanin and Phycoerythrin Stabilization as New Natural Hybrid Pigments from Microalgae Extraction." Applied Sciences 11, no. 24 (2021): 11992. http://dx.doi.org/10.3390/app112411992.

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C-Phycocyanin (PC) and B-phycoerythrin (PE) are light-harvesting water-soluble phycobiliproteins from microalgae that belong mainly to the cyanobaceria and rhodhophytes families. Different methods have been developed for PC and PE extraction and purification from microalgae, and offer a high potential for their use as additives in sectors such as food and cosmetics. However, the main limitations of using these dyes are the sensitivity of their environmental factors, such as light fastness, temperature, and pH. We successfully employed safe lamellar nanoclays such as montmorillonite (M) and Lap

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30

"Cetylpyridinium bromide (CPB)." Cold Spring Harbor Protocols 2006, no. 1 (2006): pdb.caut238. http://dx.doi.org/10.1101/pdb.caut238.

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31

Khalifa, Mahmoud A. S., Nik Ahmad Nizam Nik Malek, Ali Yektaye Farimani, Nor Suriani Sani, and Auni Afiqah Kamaru. "Cetylpyridinium bromide (CPB)-treated sugarcane bagasse for the removal of chromate in aqueous solution." Materials Today: Proceedings, March 2021. http://dx.doi.org/10.1016/j.matpr.2021.02.790.

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32

Muñoz-Shugulí, C., F. J. Rodríguez, E. Muñoz, and M. J. Galotto. "Evaluación de la migración de bromuro de cetilpiridinio desde nanocompósitos activos hacia un simulante graso de alimentos/Cetylpyridinium bromide migration assessment from active nanocomposites to a fatty food simulant." KnE Engineering, January 26, 2020. http://dx.doi.org/10.18502/keg.v5i2.6265.

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En los últimos años, el desarrollo de nanocompósitos poliméricos se plantea como una interesante alternativa para el diseño de nuevos materiales para el envasado activo de alimentos. A pesar de esto, existe constante preocupación relacionada a la migración de los componentes activos incorporados en el material ya que, un material de envasado destinado a entrar en contacto con un alimento debe presentar valores de migración bajo los límites establecidos en regulaciones internacionales. En este sentido, el objetivo del presente trabajo fue evaluar la migración del surfactante bromuro de cetilpir

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Marconi, Eleonora, Alberto Lopez, Federica Bertelà, et al. "Ecofriendly Synthesis of Titanium Dioxide for Glyphosate Adsorption." European Journal of Inorganic Chemistry, December 23, 2024. https://doi.org/10.1002/ejic.202400496.

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In this study, TNPs were obtained through two synthesis procedures working at low temperatures and with a reduced amount of organic solvent. The first involves a polycondensation reaction of alkoxide precursors at 70 °C in a water‐in‐oil (W/O) microemulsion with a 1:1 volume ratio, employing cetylpyridinium bromide (CPB) as a cationic surfactant to obtain crystalline TNPs. In the second method, two resins characterized by different morphologies were used as a template, to grow amorphous TNPs. Glyphosate adsorption tests performed at different pH values, i.e. 4.0 and 8.5, revealed that the anal

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Iddrisu, Lukman, Haimei Meng, Evodia Moses Mkulo, et al. "Rapid Screening Plate of Cadmium-chelating Activity Based on a Quaternary Complex of Cd(II)-Chrome Azurol S CAS-2,2′-dipyridyl dipy-Cetylpyridinium Bromide CPB." Analytical Biochemistry, May 2025, 115911. https://doi.org/10.1016/j.ab.2025.115911.

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