Results 241 to 250 of about 311,174 (304)

Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives

Advanced Materials, EarlyView.
Kelvin probe force microscopy (KPFM) enables the nanoscale mapping of electrostatic surface potentials. While widely applied in materials science, its use in biological systems remains emerging. This review presents recent advances in KPFM applied to biological samples and provides a critical perspective on current limitations and future directions for
Ehsan Rahimi, Mario Palacios‐Corella, Arjan Mol, Salvador Pané, Josep Puigmartí‐Luis   +4 more
wiley   +1 more source

Beyond Presumptions: Toward Mechanistic Clarity in Metal‐Free Carbon Catalysts for Electrochemical H2O2 Production via Data Science

Advanced Materials, EarlyView.
Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu, Hsi‐wen Wu, Xiao Wang, Jie Zhang   +3 more
wiley   +1 more source

Alkaline Leaching: A Facile Surface Activation Strategy to Improve the Reactivity of Air Electrodes for Solid Oxide Fuel Cells

Advanced Materials, EarlyView.
This study shows that alkaline leaching of PrBa0.8Ca0.2Co2O5+δ under anodic bias selectively removes Ba and Ca, forming a cobalt‐rich and amorphous layer. The modified surface significantly boosts ORR activity, offering a simple and effective strategy to improve electrochemical device performance.
Yeongtaek Hong, Hyunseung Kim, Sang Won Lee, Yong Beom Kim, SungHyun Jeon, Sangwoo Kim, Hainan Sun, Jeongah Lee, Seongwoo Nam, Seungwoo Roh, Tae Ho Shin, WooChul Jung   +11 more
wiley   +1 more source

Treatment of cheese whey wastewater by electrochemical oxidation using BDD, Ti/RuO₂-TiO₂, and Ti/RuO₂-IrO₂-Pt anodes: ecotoxicological and energetic evaluation. [PDF]

Environ Sci Pollut Res Int
Souli I, Fernandes A, Lopes A, Gomes I, Afonso A, Labiadh L, Ammar S.   +6 more
europepmc   +1 more source

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On the electrochemical oxidation of enamines

Journal of the Chemical Society, Perkin Transactions 2, 1988
The electrochemical oxidation properties of enamines of the cyclic ketones cyclo-pentanone, -hexanone, -heptanone, and -octanone with the cyclic amines pyrrolidine, piperidine, 1-methylpiperazine (1-MP), morpholine (MO), hexa-, and hepta-methyleneimine are investigated with the aid of cyclic voltammetry. The oxidations are totally irreversible.
Schoeller, Wolfgang, NIEMANN, J, RADEMACHER, P   +2 more
openaire   +2 more sources

Electrochemical oxidation of benzyl germatranes

Journal of Organometallic Chemistry, 2008
Abstract The electrooxidation of ring-substituted bromobenzylgermatranes in CH 3 CN and DMF solutions was studied. By cyclic voltammetry supported by DFT B3LYP/6-311G calculations, donor activity of the nitrogen atom was shown to be substantially reduced because of the dative N → Ge coordination compared to Et 3 N and (HOCH 2 CH 2 ) 3 N.
Soualmi, S., Ignatovich, L., Lukevics, E., Ourari, A., Jouikov, V.   +4 more
openaire   +2 more sources

A study of the electrochemical oxidation of Navelbine

Journal of Pharmaceutical and Biomedical Analysis, 1993
The search for drugs with cytostatic activity and with better pharmacokinetic features led to the synthesis of Navelbine (5'-noranhydrovinblastine) which is a structural modification of antitumour Vinca alkaloids. The new drug Navelbine has high liposolubility, a lower toxicity and increased antitumour activity.
A M, Brett, M M, Grazina, T R, Macedo, C, Oliveira, D, Raimundo   +4 more
openaire   +2 more sources

Electrochemical Oxidation of Benzene to Phenol

Angewandte Chemie International Edition, 2011
Gas-phase electrochemistry: The direct hydroxylation of benzene to phenol was investigated using an electrochemical cell. The production of phenol over a VO(x) anode was found to be significant at 50 °C. The resultant current efficiency for phenol production and selectivity toward phenol reached 76.5 and 94.7 %, respectively.
Byungik, Lee, Hiroto, Naito, Takashi, Hibino   +2 more
openaire   +2 more sources

An Electrochemical Route to Graphene Oxide

Journal of Nanoscience and Nanotechnology, 2011
Large-scale graphene oxide (GO) with adjustable resistivity was synthesized from graphite via an electrochemical method using KCl solution as an effective electrolyte. During the exfoliation process, electrostatic force intercalates chloride ions between the expanded graphite layers on the anode.
Xueqiu, You, Jong-Hyeon, Chang, Byeong Kwon, Ju, James Jungho, Pak   +3 more
openaire   +2 more sources

Electrochemical Oxidation of Chlorpromazine Hydrochloride

Journal of Pharmaceutical Sciences, 1964
The electrolytic oxidation of chlorpromazine hydrochloride has been studied. Controlled potential coulometry has shown the chlorpromazine undergoes a two-electron oxidation in dilute aqueous acid media. In 9 N sulfuric acid two successive one-electron oxidations, involving a stable semiquinone free radical intermediate, are identifiable ...
F H, MERKLE, C A, DISCHER
openaire   +2 more sources