Preparation of PtRu/C Anode Electrocatalysts using NaBH4 as Reducing Agent and OH- ions as Stabilizing Agent

2019 ◽  
Vol 5 (1) ◽  
pp. 89-94 ◽  
Author(s):  
Estevam V. Spinace ◽  
Luis Antonio Indelicato do Vale ◽  
Almir Oliveira Neto ◽  
Marcelo Linardi
Keyword(s):  
Reducing Agent ◽  
Stabilizing Agent ◽  
Anode Electrocatalysts

Graphene Oxide Reduced and Dispersed by Polysaccharide

2013 ◽  
Vol 341-342 ◽  
pp. 233-236 ◽  
Author(s):  
Yong Qiang He ◽  
Ru Qiang Li ◽  
Di Wu ◽  
Yong Li Zhang ◽  
Jian Ping Gao ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Low Temperature ◽  
Reduce Graphene Oxide ◽  
Aqueous Dispersion ◽  
Reducing Agent ◽  
Reaction Conditions ◽  
Green Method ◽  
Stabilizing Agent ◽  
Optimum Reaction

An green method to reduce graphene oxide (RGO) was developed by using polysaccharide as both a reducing agent and a stabilizing agent. The RGO was characterized and the factors that affect the reduction of graphene oxide (GO) were explored to obtain optimum reaction conditions. Analysis shows that GO can be reduced at a comparatively low temperature by polysaccharide and forms a stable RGO aqueous dispersion owing to the dispersion of polysaccharide. This approach provides a new green method for GO reduction that has great value for graphene applications.

2,3,4-Trihydroxy benzophenone as a novel reducing agent for one-step synthesis of size-optimized gold nanoparticles and their application in colorimetric sensing of adenine at nanomolar concentration

RSC Advances ◽  
2016 ◽  
Vol 6 (14) ◽  
pp. 11099-11108 ◽  
Author(s):  
Karuna A. Rawat ◽  
Suresh Kumar Kailasa
Keyword(s):  
Gold Nanoparticles ◽  
Reducing Agent ◽  
Colorimetric Sensing ◽  
Au Nps ◽  
Stabilizing Agent ◽  
Nanomolar Concentration ◽  
One Step

2,3,4-trihydroxy benzophenone acts as a novel reducing and stabilizing agent for one-step synthesis of size-optimized Au NPs and used as a probe for colorimetric sensing of adenine.

Green synthesis of a silver nanoparticle–graphene oxide composite and its application for As(iii) detection

RSC Advances ◽  
2014 ◽  
Vol 4 (28) ◽  
pp. 14432-14440 ◽  
Author(s):  
Riyaz Ahmad Dar ◽  
Ninad G. Khare ◽  
Daniel P. Cole ◽  
Shashi P. Karna ◽  
Ashwini Kumar Srivastava
Keyword(s):  
Ascorbic Acid ◽  
Graphene Oxide ◽  
Green Synthesis ◽  
Silver Nanoparticle ◽  
Reducing Agent ◽  
Synthetic Approach ◽  
Stabilizing Agent ◽  
Oxide Composite ◽  
Beta Cyclodextrin

We report a facile and green synthetic approach to synthesize a silver nanoparticle (AgNPs)–graphene oxide (GO) composite using beta cyclodextrin as a stabilizing agent and ascorbic acid as a reducing agent.

Study on Effect of Sericin on Size and Shape of Silver Nanoparticles Prepared by a Redox Method

2014 ◽  
Vol 1015 ◽  
pp. 480-483
Author(s):  
Men Wu ◽  
Dong Sheng Wang
Keyword(s):  
Silver Nanoparticles ◽  
Room Temperature ◽  
Reaction System ◽  
Reducing Agent ◽  
Stabilizing Agent ◽  
Multiple Functions ◽  
Silk Sericin ◽  
Size And Shape ◽  
Redox Method

Silk sericin is used as a biotemplate to redox silver nanoparticles in situ at room temperature. Silk sericin provides multiple functions in the whole reaction system, serving as the reducing agent of Ag+, and the dispersing and stabilizing agent of the resulted silver nanoparticles. The effect of the concentration of sericin on size and shape of the reduced silver nanoparticles is studied. UV-vis spectra and TEM are used to detected the characteristic plasmon and the appearance of the obtained silver nanoparticles.

Methods for the Concentration of Bovine Ac-Globulin (Factor V)

1961 ◽  
Vol 06 (03) ◽  
pp. 435-444 ◽  
Author(s):  
Ricardo H. Landaburu ◽  
Walter H. Seegers
Keyword(s):  
Room Temperature ◽  
Barium Carbonate ◽  
Deae Cellulose ◽  
Reducing Agents ◽  
Factor V ◽  
Isoelectric Precipitation ◽  
Stabilizing Agent ◽  
Bovine Plasma ◽  
The Stability

SummaryAn attempt was made to obtain Ac-globulin from bovine plasma. The concentrates contain mostly protein, and phosphorus is also present. The stability characteristics vary from one preparation to another, but in general there was no loss before 1 month in a deep freeze or before 1 week in an icebox, or before 5 hours at room temperature. Reducing agents destroy the activity rapidly. S-acetylmercaptosuccinic anhydride is an effective stabilizing agent. Greatest stability was at pH 6.0.In the purification bovine plasma is adsorbed with barium carbonate and diluted 6-fold with water. Protein is removed at pH 6.0 and the Ac-globulin is precipitated at pH 5.0. Rivanol and alcohol fractionation is followed by chromatography on Amberlite IRC-50 or DEAE-cellulose. The final product is obtained by isoelectric precipitation.

Carbon Monoxide Related Reductions

INEOS OPEN ◽  
2020 ◽  
Vol 3 ◽  
Author(s):  
O. I. Afanasyev ◽  
◽  
D. Chusov ◽  
Keyword(s):  
Organic Chemistry ◽  
Carbon Monoxide ◽  
Reducing Agent ◽  
Current Development ◽  
Efficient Route ◽  
Development Prospects

Carbon monoxide is a unique reducing agent that is only gaining popularity in organic chemistry. This review highlights the main approaches to the application of CO as a reducing agent, summarizes and critically analyzes the key trends in this field, and describes the current development prospects. Potentially the most selective and efficient route for the realization of these processes is demonstrated.

OESTRADIOL, A REDUCING AGENT FOR ANDROGENS IN LIVERTISSUE

1967 ◽  
Vol 56 (1_Suppl) ◽  
pp. S62
Author(s):  
M. Wenzel ◽  
K. Pollow
Keyword(s):  
Reducing Agent

Photochemical and Electrochemical Reduction of Carbon Dioxide Catalyzed by a Polyoxometalate-Organic Photosensitizer Complex

2018 ◽  
Author(s):  
Chandan Dey ◽  
Ronny Neumann
Keyword(s):  
Carbon Dioxide ◽  
Cyclic Voltammetry ◽  
Formic Acid ◽  
Electrochemical Reduction ◽  
Mass Spectroscopy ◽  
Photochemical Reactions ◽  
Reducing Agent ◽  
Covalent Attachment ◽  
Hybrid Complex ◽  
Open Face

<p>A manganese substituted Anderson type polyoxometalate, [MnMo<sub>6</sub>O<sub>24</sub>]<sup>9-</sup>, tethered with an anthracene photosensitizer was prepared and used as catalyst for CO<sub>2</sub> reduction. The polyoxometalate-photosensitizer hybrid complex, obtained by covalent attachment of the sensitizer to only one face of the planar polyoxometalate, was characterized by NMR, IR and mass spectroscopy. Cyclic voltammetry measurements show a catalytic response for the reduction of carbon dioxide, thereby suggesting catalysis at the manganese site on the open face of the polyoxometalate. Controlled potentiometric electrolysis showed the reduction of CO<sub>2</sub> to CO with a TOF of ~15 sec<sup>-1</sup>. Further photochemical reactions showed that the polyoxometalate-anthracene hybrid complex was active for the reduction of CO<sub>2</sub> to yield formic acid and/or CO in varying amounts dependent on the reducing agent used. Control experiments showed that the attachment of the photosensitizer to [MnMo<sub>6</sub>O<sub>24</sub>]<sup>9-</sup> is necessary for photocatalysis.</p><div><br></div>

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