Articles with "nano onions" as a keyword



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Near-infrared boosted ROS responsive siRNA delivery and cancer therapy with sequentially peeled upconversion nano-onions.

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Published in 2019 at "Biomaterials"

DOI: 10.1016/j.biomaterials.2019.119501

Abstract: RNA interference (RNAi) therapy has become an appealing approach for cancer treatment, while the specificity and efficiency of controlled small interference RNA (siRNA) release remain challenging due to the heterogeneity of tumor environment. Herein, upconversion… read more here.

Keywords: nano onions; upconversion nano; cancer; therapy ... See more keywords
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Role of nitrogen doping in stoichiometric and defective carbon nano-onions: Structural diversity from DFT calculations

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Published in 2021 at "Carbon"

DOI: 10.1016/j.carbon.2021.01.131

Abstract: Abstract Carbon nano-onions (CNOs) and their modified forms have been utilised recently as active catalysts, capacitors, and anode materials. In this study, the structural and electronic properties and the thermodynamic stability of both stoichiometric and… read more here.

Keywords: nano onions; stoichiometric defective; nitrogen; carbon nano ... See more keywords
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In situ nitrogen-doped carbon nano-onions for ultrahigh-rate asymmetric supercapacitor

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2019.135363

Abstract: Abstract The growing demand for clean energy storage and delivery during surge power applications motivate us to synthesize highly graphitic, mesoporous nitrogen-doped carbon nano-onions (N–CNOs) via a one-step in situ flame pyrolysis procedure for their… read more here.

Keywords: nitrogen doped; doped carbon; carbon nano; nano onions ... See more keywords
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Carbon nano-onions: Unique carbon nanostructures with fascinating properties and their potential applications

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Published in 2017 at "Inorganica Chimica Acta"

DOI: 10.1016/j.ica.2017.07.021

Abstract: Abstract This article presents a short review of the knowledge concerning carbon nano-onions, also known as onion-like carbon or multi-layered fullerenes. Currently, these nanostructures are some of the most fascinating carbon forms. We can only… read more here.

Keywords: nanostructures fascinating; carbon; carbon nano; nano onions ... See more keywords
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Microwave assisted synthesis of nitrogen doped and oxygen functionalized carbon nano onions supported palladium nanoparticles as hybrid anodic electrocatalysts for direct alkaline ethanol fuel cells

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Published in 2021 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2020.12.154

Abstract: Abstract In this study, we present the synthesis of pristine carbon (p-CNO), nitrogen doped (N–CNO) and oxygen functionalized (ox-CNO) nano onions, using flame pyrolysis, chemical vapour deposition, and reflux methods, respectively. Pd/p-CNO, Pd/N–CNO and Pd/ox-CNO… read more here.

Keywords: nitrogen doped; synthesis; oxygen functionalized; nano onions ... See more keywords
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Effect of nitrogen doping on the catalytic activity of carbon nano-onions for the oxygen reduction reaction in microbial fuel cells

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Published in 2020 at "Journal of Industrial and Engineering Chemistry"

DOI: 10.1016/j.jiec.2019.09.014

Abstract: Abstract In this study, highly graphitic nitrogen-doped carbon nano-onions (N-CNOs) were prepared by a one-step, direct, in situ flame synthesis technique and their potential applications as catalysts for oxygen reduction reaction (ORR) in a microbial… read more here.

Keywords: carbon; carbon nano; nano onions; reaction ... See more keywords
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Natural oil derived carbon nano-onions as a sensitive electrocatalyst for nitrite determination

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Published in 2019 at "Materials Chemistry and Physics"

DOI: 10.1016/j.matchemphys.2019.121744

Abstract: Abstract In this communication, we report carbon nano-onions (CNOs) derived from natural oil as metal-free sensors for efficient nitrite determination. The pristine CNOs showed remarkable nitrite oxidation capability with a linear detection range of 1 μM–90 μM (R2 = 0.998),… read more here.

Keywords: nano onions; natural oil; carbon nano; nitrite determination ... See more keywords
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Determination of the Hansen solubility parameters of carbon nano-onions and prediction of their dispersibility in organic solvents

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Published in 2019 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2019.111646

Abstract: Abstract Carbon nano-onions (CNOs) are the least studied allotropes of carbon despite their discovery before nanotubes and fullerenes. CNOs are multilayered fullerenes concentrically arranged one inside the other resembling the structure of an onion. Typically,… read more here.

Keywords: carbon nano; nano onions; dispersibility; hansen solubility ... See more keywords
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Performance Evaluation of Cutting Fluids with Carbon Nano-Onions as Lubricant Additives

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Published in 2018 at "Procedia Manufacturing"

DOI: 10.1016/j.promfg.2018.07.101

Abstract: Abstract In machining of high precision automotive parts, the dimensional variation of the cutting process is very critical. The demand for high quality and fully automated production places a lot of emphasis on the cutting… read more here.

Keywords: cutting fluids; nano onions; carbon nano; evaluation ... See more keywords
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Small Carbon Nano-Onions: An Ion Mobility Mass Spectrometric Study

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Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.8b00597

Abstract: Structures and charges of nanocarbon cluster ions, Cnz+ (100 ≤ n ≤ 800, z = 1 and 2), have been determined using ion mobility mass spectrometry. For singly charged ions, a compact cluster ion series… read more here.

Keywords: nano onions; ion mobility; study; mobility mass ... See more keywords
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Carbon Nano-onions: Potassium Intercalation and Reductive Covalent Functionalization.

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Published in 2021 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c07604

Abstract: Herein we report the synthesis of covalently functionalized carbon nano-onions (CNOs) via a reductive approach using unprecedented alkali-metal CNO intercalation compounds. For the first time, an in situ Raman study of the controlled intercalation process… read more here.

Keywords: nano onions; spectroscopy; carbon nano; intercalation ... See more keywords