Rapid Hybridization of Chitosan-Gold-Antibodies via Metal-free Click in Water-based Systems: A Model Approach for Naked-eye Detectable Antigen Sensors

2014 ◽  
Vol 35 (13) ◽  
pp. 1204-1210 ◽  
Author(s):  
Jatesuda Jirawutthiwongchai ◽  
Gerald Draeger ◽  
Suwabun Chirachanchai
Keyword(s):  
Metal Free ◽  
Naked Eye ◽  
Water Based ◽  
Detectable Antigen ◽  
Model Approach

scholarly journals Water promoted allylic nucleophilic substitution reactions of (E)-1,3 diphenylallyl acetate

2018 ◽  
Vol 20 (2) ◽  
pp. 425-430 ◽  
Author(s):  
Seema A. Ghorpade ◽  
Dinesh N. Sawant ◽  
Arwa Makki ◽  
Nagaiyan Sekar ◽  
Jörg Eppinger
Keyword(s):  
Transition Metal ◽  
Nucleophilic Substitution ◽  
Allylic Alkylation ◽  
Substitution Reactions ◽  
Allylic Amination ◽  
Metal Free ◽  
Nucleophilic Substitution Reactions ◽  
Water Based

A transition metal free, reagent free, only water based, greener protocol for the allylic alkylation, allylic amination, and O-allylation of (E)-1,3-diphenylallyl acetate is described.

Pyridine Appended Poly(Alkyl Ether) Based Ionogels for Naked Eye Detection of Cyanide Ions: A Metal-Free Approach

2020 ◽  
Vol 8 (22) ◽  
pp. 8327-8337 ◽  
Author(s):  
Bhaswati Sarkar ◽  
Palani Prabakaran ◽  
Edamana Prasad ◽  
Ramesh L. Gardas
Keyword(s):  
Alkyl Ether ◽  
Eye Detection ◽  
Metal Free ◽  
Naked Eye ◽  
Naked Eye Detection

scholarly journals A water-based and metal-free dye solar cell exceeding 7% efficiency using a cationic poly(3,4-ethylenedioxythiophene) derivative

2020 ◽  
Vol 11 (6) ◽  
pp. 1485-1493 ◽  
Author(s):  
Federico Bella ◽  
Luca Porcarelli ◽  
Daniele Mantione ◽  
Claudio Gerbaldi ◽  
Claudia Barolo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Metal Free ◽  
Water Based

A new cationic PEDOT derivative inhibits repulsion phenomena within iodine-based electrolytes, boosting the efficiency of aqueous solar cells.

The Shadow Widths of Very Small Particles are Formed Independently of the Metal Cap Build Up on the Particle

1981 ◽  
Vol 39 ◽  
pp. 568-569
Author(s):  
George C. Ruben
Keyword(s):  
Gold Particle ◽  
Film Surface ◽  
Small Particles ◽  
Geometric Process ◽  
Metal Free ◽  
Shadow Area

The formation of shadows behind small particles has been thought to be a geometric process (GP) where the metal cap build up on the particle creates a shadow width the same size as or larger than the particle. This GP cannot explain why gold particle shadow widths are generally larger than the gold particle and may have no appreciable metal cap build up (fig. 1). Ruben and Telford have suggested that particle shadow widths are formed by the width dependent deflection of shadow metal (SM) lateral to and infront of the particle. The trajectory of the deflected SM is determined by the incoming shadow angle (45°). Since there can be up to 1.4 times (at 45°) more SM directly striking the particle than the film surface, a ridge of metal nuclei lateral to and infront of the particle can be formed. This ridge in turn can prevent some SM from directly landing in the metal free shadow area. However, the SM that does land in the shadow area (not blocked by the particle or its ridge) does not stick and apparently surface migrates into the SM film behind the particle.

Recent advancement in the electrocatalytic synthesis of ammonia

Nanoscale ◽  
2020 ◽  
Vol 12 (15) ◽  
pp. 8065-8094 ◽  
Author(s):  
Xudong Wen ◽  
Jingqi Guan
Keyword(s):  
Metal Oxide ◽  
Oxide Catalysts ◽  
Single Atom ◽  
Metal Oxide Catalysts ◽  
Metal Free ◽  
Recent Advancement ◽  
Nanocomposite Catalysts

Different kinds of electrocatalysts used in NRR electrocatalysis (including single atom catalysts, metal oxide catalysts, nanocomposite catalysts, and metal free catalysts) are introduced.

Transition-metal-free catalytic hydroboration reduction of amides to amines

2020 ◽  
Vol 7 (21) ◽  
pp. 3515-3520
Author(s):  
Wubing Yao ◽  
Jiali Wang ◽  
Aiguo Zhong ◽  
Shiliang Wang ◽  
Yinlin Shao
Keyword(s):  
Transition Metal ◽  
Selective Catalytic Reduction ◽  
Catalytic Reduction ◽  
Value Added ◽  
Metal Free

The selective catalytic reduction of amides to value-added amine products is a desirable but challenging transformation.

Deaminative carbonylative thioesterification of activated alkylamines with thiophenols under transition-metal-free conditions

2021 ◽  
Author(s):  
Fengqian Zhao ◽  
Xiao-Feng Wu
Keyword(s):  
Free Radical ◽  
Transition Metal ◽  
Metal Free

A transition-metal-free radical carbonylation of activated alkylamines with thiophenols has been successfully developed. Various thioesters were selectively produced with moderate to good yields.

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