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2,680 Newest Publications about the topic dyes

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Application of the aquatic fungus Phoma sp. (DSM22425) in bioreactors for the treatment of textile dye model effluents

30-Mar-2012 | Junghanns, Charles; Neumann, Jan Felix; Schlosser, Dietmar, Journal of Chemical Technology & Biotechnology, 2012

Abstract BACKGROUND: Textile dyes are hardly removed from effluents by conventional wastewater treatment but can be degraded by a number of physicochemical processes, which nevertheless have specific limitations. The development of bioremediation processes may provide a viable ...

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Revisiting the Structure of Graphene Oxide for Preparing New‐Style Graphene‐Based Ultraviolet Absorbers

29-Mar-2012 | He, Wenhui; Lu, Lehui, Advanced Functional Materials, 2012

Abstract Despite sustained effort over the years, the exploration of an effective strategy toward understanding the structure and properties of graphene oxide (GO) is still highly desirable. Herein, a facile route to revisit the structure of GO is demonstrated by elucidating its ...

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Photocurrent Enhancement of Dye‐Sensitized Solar Cells owing to Increased Dye‐Adsorption onto Silicon‐Nanoparticle‐Coated Titanium‐Dioxide Films

29-Mar-2012 | Ha, Eun‐Sung; Yoo, Beomjin; Baik, Hionsuck; Lee, Yeonhee; Kim, Kang‐Jin, Chemistry - An Asian Journal, 2012

Abstract The inverse‐micellar preparation of Si nanoparticles (Nps) was improved by utilizing sodium naphthalide. The Si Nps were subsequently functionalized with 4‐vinylbenzoic acid for their attachment onto TiO2 films of dye‐sensitized solar cells (DSSCs). The average diameter of the ...

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Preparation and Surface Activities of Modified Double-Tailed Anionic Surfactants

28-Mar-2012 | Li-Huei Lin, Hsin-Jiant Liu, Hawn-Chung Chu, Min-Yan Dong, Mou-Chuan Hwang, Chien-Fu Wang, Keng-Ming Chen, Journal of Surfactants and Detergents, 2012

We prepared a series of modified double-tailed surfactants containing two identical nonionic moieties and an anionic spacer group. Each surfactant was prepared through the reaction of two moles of polyoxyethylene alkyl ether with one mole of maleic anhydride to form a diester having a gemini ...

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Halogen Bonding versus Hydrogen Bonding in Driving Self‐Assembly and Performance of Light‐Responsive Supramolecular Polymers

28-Mar-2012 | Priimagi, Arri; Cavallo, Gabriella; Forni, Alessandra; Gorynsztejn–Leben, Mikael; Kaivola, Matti; Metrangolo, ..., Advanced Functional Materials, 2012

Abstract Halogen bonding is arguably the least exploited among the many non‐covalent interactions used in dictating molecular self‐assembly. However, its directionality renders it unique compared to ubiquitous hydrogen bonding. Here, the role of this directionality in controlling the ...

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The preparation and characterization of carboxylic acid‐coated silica nanoparticles

28-Mar-2012 | Cash, Brandon M.; Wang, Lei; Benicewicz, Brian C., Journal of Polymer Science Part A: Polymer Chemistry, 2012

Abstract The preparation of carboxylic acid‐coated silica nanoparticles was investigated. A monolayer of carboxylic acid residues with controllable graft density was anchored to the nanoparticle by a ring‐opening reaction with succinic anhydride. Poly(methacrylic acid) [poly(MAA)] grafted ...

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IJERPH, Vol. 9, Pages 1068-1076: Respiratory Symptoms and Pulmonary Functions of Workers Employed in Turkish Textile Dyeing Factories

26-Mar-2012 | Ozkurt, Sibel ; Kargi, Beyza Akdag ; Kavas, Murat ; Evyapan, Fatma ; Kiter, Göksel ; Baser, Sevin, International Journal of Environmental Research and Public Health, 2012

Dyes are known to be a causative agent of occupational asthma in workers exposed to them. We have evaluated respiratory symptoms among textile workers. The study population comprised 106 exposed workers and a control (unexposed) group. Data were collected by a questionnaire. PFTs (Pulmonary ...

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IJERPH, Vol. 9, Pages 1068-1076: Respiratory Symptoms and Pulmonary Functions of Workers Employed in Turkish Textile Dyeing Factories

26-Mar-2012 | Ozkurt, Sibel ; Kargi, Beyza Akdag ; Kavas, Murat ; Evyapan, Fatma ; Kiter, Göksel ; Baser, Sevin, International Journal of Environmental Research and Public Health, 2012

Dyes are known to be a causative agent of occupational asthma in workers exposed to them. We have evaluated respiratory symptoms among textile workers. The study population comprised 106 exposed workers and a control (unexposed) group. Data were collected by a questionnaire. PFTs (Pulmonary ...

more

Acene‐Modified Triphenylamine Dyes for Dye‐Sensitized Solar Cells: A Computational Study

23-Mar-2012 | Fan, Wenjie; Tan, Dazhi; Deng, Wei‐Qiao, ChemPhysChem, 2012

Abstract A series of metal‐free acene‐modified triphenylamine dyes (benzene to pentacene, denoted as TPA‐AC1 to TPA‐AC5) are investigated as organic sensitizers for application in dye‐sensitized solar cells (DSSCs). A combination of density functional theory (DFT), density functional ...

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Multicomponent Organic Nanoparticles for Fluorescence Studies in Biological Systems

22-Mar-2012 | McDonald, Tom O.; Martin, Philip; Patterson, Joseph P.; Smith, Darren; Giardiello, Marco; Marcello, Marco; See, Viol ..., Advanced Functional Materials, 2012

Abstract The formation of dual‐component organic nanoparticles by a modified emulsion‐templated freeze‐drying approach leads to aqueous nanosuspensions showing fluorescence (Förster) resonance energy transfer (FRET) from within a distribution of single nanoparticles. The combination of both ...

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