Results 31 to 40 of about 22,563,875 (151)

Carbon‐Supported Catalytic Systems Assembled by π–π Interactions

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
This review explores the noncovalent immobilization of organic and organometallic catalysts on carbonaceous supports through π–π interactions, highlighting its potential to enhance catalyst recovery, recyclability, and the sustainability of organic synthesis.
Chloé Jamalkhan   +8 more
wiley   +1 more source

Frontiers in transition‐metal single‐atom electrocatalysts: Design tactics, mechanistic regulation, and electrochemical sensing technologies

open access: yesInfoMat, EarlyView.
This review offers an overview of recent advances in the fundamental properties, synthesis methods, and structural optimization of transition‐metal single‐atom electrocatalysts for electrochemical sensing. It also provides a comprehensive summary of the emerging applications in electrochemical assays based on these materials, along with key challenges ...
Yue Cao   +8 more
wiley   +1 more source

Mobilities of some univalent ions in aqueous and nitrobenzene media

open access: yes, 1984
Limiting ionic equivalent conductivities of selected univalent ions in water, nitrobenzene, or water-saturated nitrobenzene were taken or calculated from literature data.
Wolfgang Ruth   +2 more
core   +1 more source

Extraction of Microamounts of Barium in the System: Water - CsCl - 18-Crown-6 -Nitrobenzene - Cesium Dicarbollylcobaltate [PDF]

open access: yes, 2000
Extraction of microamounts of barium with a nitrobenzene solution of cesium dicarbollylcobaltate (Cs+B-) in the presence of 18-crown-6 (18C6, L) has been investigated.
Daňková, Marcela   +2 more
core   +1 more source

N,N,N’,N’-Tetrabutyl-1,10-phenanthroline-2,9-dicarboxamide as Very Effective Extraction Agent for Trivalent Europium and Americium

open access: yesActa Chimica Slovenica, 2017
Solvent extraction of microamounts of Eu3+ and Am3+ from water into nitrobenzene by means of a mixture of hydrogen dicarbollylcobaltate (H+B-) and N,N,N’,N’-tetrabutyl-1,10-phenanthroline-2,9-dicarboxamide (L) was studied.
Emanuel Makrlík   +5 more
doaj   +1 more source

2‐Amino‐3H‐phenoxazin‐3‐one is a lead inhibitor of Cuscuta campestris early development: structure–activity relationships of o‐aminophenol‐derived allelochemicals

open access: yesPest Management Science, EarlyView.
Phenoxazinones caused differential types of phytotoxic effects in C. campestris early development. APO is a coherent lead inhibiting C. campestris germination and early seedling growth. Abstract BACKGROUND 2‐Amino‐3H‐phenoxazin‐3‐one (synonym: questiomycin A; abbreviated as APO or Phx‐3) is a naturally occurring phenoxazinone‐type allelochemical with ...
Cristina Díaz‐Franco   +5 more
wiley   +1 more source

Solvent Extraction of Some Univalent Cations into Nitrobenzene by Using Cesium Dicarbollylcobaltate and Four Bis(crown-6) Ether Derivatives of Calix[4]arene

open access: yes, 2019
International audienceOn the basis of extraction experiments and -activity measurements, the exchange extraction constants corresponding to the general equilibrium M+(aq)+CsL+(nb) ML+(nb)+Cs+(aq) occurring in the two-phase water-nitrobenzene system (M+=K+
Makrlik, Emanuel   +2 more
core   +1 more source

Cross‐Scale Engineering of Single‐Atom Catalysts from Local Planar Coordination to Spatial Architectures

open access: yesSmall, EarlyView.
This Review presents a cross‐scale framework for single‐atom catalysts, spanning in‐plane and out‐of‐plane coordination; primary coordination, secondary‐sphere interactions, through‐space microenvironments and support interfaces; individual sites and macroscopic architectures; and static design and directed dynamic reconstruction.
Dazhi Yao   +4 more
wiley   +1 more source

Detection of nitrobenzene compounds in surface water by ion mobility spectrometry coupled with molecularly imprinted polymers

open access: yes, 2014
Ion mobility spectrometry (IMS) was explored in the selective detection of nitrobenzene compounds in industrial waste water and surface water, and the selectivity was theoretically elucidated with the transformation energy in the product ion formation ...
董晓   +7 more
core   +1 more source

Sorption and Desorption Analysis of Nitrobenzene on Differently Functionalized Multiwalled Carbon Nanotubes and Implications on the Stability

open access: yes, 2021
The stability of carbon nanotubes (CNTs) suspension is a key factor in determining their transport, fate, and toxicity in an aquatic environment, which is significantly influenced by CNTs’ nature and water chemistry.
Dengyu Li, Zhanhua Ji
core   +1 more source

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