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2,746 Newest Publications about the topic dyes


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Imparting insect repellency to nylon 6 fibers by means of a novel MCT reactive dye

26-Apr-2012 | Akbarzadeh, Abolfath; Mokhtari, Javad; Kolkoohi, Shirin; Amin Sarli, Mohammad, Journal of Applied Polymer Science, 2012

Abstract Insect repellency of fiber is a property which makes the fiber to be of interest in the field of military and health. The insect‐repellent substrate could be prepared using either functional finishing or applying an insect‐repellent dye. In this article, insect‐repellent nylon 6 is ...


A Comparative Study on the Adsorption of Acid and Reactive Dyes on Multiwall Carbon Nanotubes in Single and Binary Dye Systems

25-Apr-2012 | Shaobin Wang; Choon Wei Ng; Wentai Wang; Qin Li; Liqing Li, Journal of Chemical & Engineering Data, 2012

The adsorption of reactive blue 4 (RB4) and acid red 183 (AR183) on a multiwall carbon nanotube (MWCNT) was investigated in single and binary dye systems. The MWCNT presented a higher adsorption of RB4 than AR183 in single and binary dye systems, due to stronger interactions. In single dye ...


Multimodal and multifunctional stealth polymer nanospheres for sustained drug delivery

25-Apr-2012 | Cameron W. Evans; Melissa J. Latter; Diwei Ho; Saquib Ahmed M. A. Peerzade; Tristan D. Clemons; Melinda Fitzgerald; ..., New Journal of Chemistry, 2012

We report the preparation of fluorescent and magnetic PMMA nanospheres, and a corresponding PEGylated ‘stealth’ analogue prepared using a block copolymer. The nanospheres contain encapsulated magnetite nanoparticles and fluorescent BODIPY dyes, including a new such dye with pH-sensitive ...


Optically Transparent Hydrogels from an Auxin–Amino‐Acid Conjugate Super Hydrogelator and its Interactions with an Entrapped Dye

25-Apr-2012 | Reddy, Amarendar; Sharma, Aashish; Srivastava, Aasheesh, Chemistry - A European Journal, 2012

Abstract Low‐molecular‐weight organic hydrogelators (LMHGs) that can rigidify water into soft materials are desirable in various applications. Herein, we report the excellent hydrogelating properties of a simple synthetic auxin–amino‐acid conjugate, naphthalene‐1‐acetamide of L‐phenylalanine ...


Molecular modeling of two-photon absorption and third-order nonlinearities of polymethine dyes for all-optical switching

24-Apr-2012 | Yuanzuo Li, Ying Shi, Maodu Chen, Yongqing Li, Runzhou Su, Meiyu Zhao, Fengcai Ma, Journal of Molecular Modeling, 2012

Stimulated by a recent experimental report [Hales JM et al. (2010) Science 327:1485–1488], two-photon absorption and third-order optical nonlinearities of selenopyrylium- and bis(dioxaborine)-terminated polymethine dyes (called SE-7C and DOB-9C) used for all-optical switching were investigated ...


Cofluorescence of dyes in nanoparticles formed from metal complexes and possibilities of its application

24-Apr-2012 | V. L. Ermolaev, E. B. Sveshnikova, L. Yu. Mironov, Nanotechnologies in Russia, 2012

A brief review on the regularities of nanoparticle (NP) formation in aqueous solution from Ln, Y, Al, Sc, and In diketonates, which capture fluorescent dye molecules upon formation, is presented. The intensive sensitized fluorescence of the dyes (cofluorescence) is observed upon the excitation of ...


A Novel Luminescent Bifunctional POSS as a Molecular Platform for Biomedical Applications

24-Apr-2012 | Francesco Olivero; Filippo Renò; Fabio Carniato; Manuela Rizzi; Mario Cannas; Leonardo Marchese, Dalton Transactions, 2012

A novel luminescent polyhedral oligomeric silsesquioxane (POSS) bearing in the structure a fluorescein derivative molecule and a carboxylic functionality, suitable to anchor different organic compounds (dyes, markers, drugs, contrast agents,…), was successfully synthesized and characterized by a ...


Cation-Condensed Microgel-Core Star Polymers as Polycationic Nanocapsules for Molecular Capture and Release in Water

24-Apr-2012 | Kaoru Fukae; Takaya Terashima; Mitsuo Sawamoto, Macromolecules, 2012

Cation-condensed microgel-core star polymers with poly(ethylene glycol) (PEG)-based arms were designed as unimolecular polycationic nanocapsules (hosts) to encapsulate and stimuli-responsively release hydrophilic and anionic dyes (guests) in water. Typically, a cation-condensed star polymer (core ...


Organic Dye Design Tools for Efficient Photocurrent Generation in Dye‐Sensitized Solar Cells: Exciton Binding Energy and Electron Acceptors

24-Apr-2012 | Kim, Bong‐Gi; Zhen, Chang‐Gua; Jeong, Eun Jeong; Kieffer, John; Kim, Jinsang, Advanced Functional Materials, 2012

Abstract The relationship between the exciton binding energies of several pure organic dyes and their chemical structures is explored using density functional theory calculations in order to optimize the molecular design in terms of the light‐to‐electric energy‐conversion efficiency in ...


Halogen–Arene Interactions Assist in Self‐Assembly of Dyes

23-Apr-2012 | Mayerhöffer, Ulrich; Würthner, Frank, Angewandte Chemie International Edition, 2012

The “dye” is cast: An isodesmic self‐assembly process of near‐infared‐absorbing, acceptor‐substituted squaraine dyes, assisted by halogen–halogen and halogen–arene interactions, is observed in toluene. The aggregation process was monitored by UV/Vis/NIR absorption and NMR experiments, thus ...


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