- Methyl Orange as a Probe for Photooxidation Reactions of Colloidal TiO2
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Colloids containing TiO2 supported by PVA can only sensitize the reduction of Methyl Orange.In contrast unsupported TiO2 colloids catalyze the photooxidation of Methyl Orange and concomitant reduction of O2.H2O2 inhibits oxidation of Methyl Orange in a ma
- Brown, Graham T.,Darwent, James R.
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- Application of palladium nanoparticle-decorated Artemisia abrotanum extract-modified graphene oxide for highly active catalytic reduction of methylene blue, methyl orange and rhodamine B
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A green palladium-based catalyst supported on Artemisia abrotanum extract-modified graphene oxide (Pd NPs/RGO-A. abrotanum) hybrid material has been used as a recoverable and heterogeneous nanocatalyst for the catalytic reduction of various dyes, includin
- Hashemi Salehi, Mirmehdi,Yousefi, Mohammad,Hekmati, Malak,Balali, Ebrahim
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- Nickel and cobalt nanoparticles modified hollow mesoporous carbon microsphere catalysts for efficient catalytic reduction of widely used dyes
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Recently, with increasing consciousness of environmental protection, Chemists are focusing on green chemistry, which allows the transformation of highly toxic organic wastes into reusable or low-toxicity compounds under mild reaction conditions. In this w
- Tian, Meng,Dong, Chunxu,Cui, Xueliang,Dong, Zhengping
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- Green synthesis of Fe3O4@SiO2-Ag magnetic nanocatalyst using safflower extract and its application as recoverable catalyst for reduction of dye pollutants in water
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This paper reports the green and in situ preparation of Fe3O4@SiO2-Ag magnetic nanocatalyst synthesized using safflower (Carthamus tinctorius L.) flower extract without the addition of any stabilizers or surfactants. The c
- Mohammadi, Pourya,Sheibani, Hassan
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- Magnetically recyclable Fe3O4@His@Cu nanocatalyst for degradation of azo dyes
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Fe3O4@His@Cu magnetic recyclable nanocatalyst (MRCs) was synthesized by reflux method using L-histidine as linker. The composition, structure and magnetic property of the product were characterized by X-ray powder diffraction (XRD),
- Kurtan,Amir,Baykal,S?zeri,Toprak
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- A novel approach using plant embryos for green synthesis of silver nanoparticles as antibacterial and catalytic agent
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The plant extract has been used extensively for biosynthesis of noble metallic nanoparticles due to cost efficiency and simple technology. However, influence of plant growth condition can induce changes in composition and content of bioactive compounds, l
- Tran, Minh-Trong,Nguyen, Linh-Phuong,Nguyen, Dinh-Truong,Le Cam-Huong,Dang, Chi-Hien,Chi, Tran Thi Kim,Nguyen, Thanh-Danh
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- A Simple but Efficient Catalytic Approach for the Degradation of Pollutants in Aqueous Media through Cicer arietinum Supported Ni Nanoparticles
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Plant based materials are considered to have broad applications in the remediation of toxic materials. In this report, we present an environmental friendly and economic Cicer arietinum, named as (CP) supported for the synthesis of Ni nanoparticles (NPs) designated as Ni@CP. The in situ Ni@CP NPs were obtained using aqueous medium in the presence of sodium borohydride (NaBH4) as a reducing agent. The prepared catalysts were applied for the hydrogenation/degradation of p-nitrophenol (PNP), o-nitrophenol (ONP), and 2,4-dinitrophenol (DNP), as well as congo red (CR), methyl orange (MO), methylene blue (MB) and rhodamine B (RB) dyes. The amount of total metal ions adsorbed onto the CP was evaluated by flame atomic absorption spectroscopy. The Ni@CP catalyst was characterized through PXRD, FTIR, FESEM and EDX analyses.
- Khan, Shahid Ali,Rasool, Shagufta,Rahman, Khaliq Ur,Hussain, Shah,Khan, Inamullah,Ismail, Muhammad,Farooq, Aliya,Khan, Sarzamin,Raza, Mian Ahmad,Asiri, Abdullah Muhammad,Khan, Sher Bahadar
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p. 1789 - 1802
(2019/09/20)
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- Carbonization of Co-BDC MOF results in magnetic C@Co nanoparticles that catalyze the reduction of methyl orange and 4-nitrophenol in water
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Herein we report a simple, facile and green technique for the preparation of magnetic cobalt nanoparticles (NPs) embedded on porous carbon (C@Co) nanocatalyst using MOFs template and explored for the catalytic reduction of Methyl orange (MO) and 4-Nitroph
- Ahsan, Md. Ariful,Fernandez-Delgado, Olivia,Deemer, Eva,Wang, Huiyao,El-Gendy, Ahmed A.,Curry, Michael L.,Noveron, Juan C.
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- Photoreduction of Methyl Orange Sensitized by Colloidal Titanium Dioxids
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Colloidal TiO2 can sensitize the photoreduction of Methyl Orange to a hydrazine derivative.In steady-state experiments the maximum rate occurs at pH 4.7 in the absence of O2, but shifts to pH 3.0 when O2 is present.Similar behaviour is observed with Methy
- Brown, Graham T.,Darwent, James R.
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p. 1631 - 1644
(2007/10/02)
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