Novel approach for the synthesis of nitrogen-doped titania with variable phase composition and enhanced production of hydrogen under solar irradiation

AbstractChemical vapor deposition is an important method for the preparation of boron carbide. Knowledge of the correlation between the phase composition of the deposit and the deposition conditions (temperature, inlet gas composition, total pressure, reactor configuration, and total flow rate) has not been completely determined. In this work, a novel approach to identify the kinetic mechanisms for the deposit composition is presented. Machine leaning (ML) and computational fluid dynamic (CFD) techniques are utilized to identify core factors that influence the deposit composition. It has been shown that ML, combined with CFD, can reduce the prediction error from about 25% to 7%, compared with the ML approach alone. The sensitivity coefficient study shows that BHCl2 and BCl3 produce the most boron atoms, while C2H4 and CH4 are the main sources of carbon atoms. The new approach can accurately predict the deposited boron–carbon ratio and provide a new design solution for other multi-element systems.

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Synechocystissp. PCC6803 metabolic models for the enhanced production of hydrogen

Critical Reviews in Biotechnology ◽

10.3109/07388551.2013.829799 ◽

2013 ◽

Vol 35 (2) ◽

pp. 184-198 ◽

Cited By ~ 5

Author(s):

Arnau Montagud ◽

Daniel Gamermann ◽

Pedro Fernández de Córdoba ◽

Javier F. Urchueguía

Keyword(s):

Enhanced Production ◽

Production Of Hydrogen ◽

Metabolic Models

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Photocatalytic Oxidation of NOx under Visible LED Light Irradiation over Nitrogen-Doped Titania Particles with Iron or Platinum Loading

The Journal of Physical Chemistry C ◽

10.1021/jp803371s ◽

2008 ◽

Vol 112 (32) ◽

pp. 12425-12431 ◽

Cited By ~ 99

Author(s):

Shu Yin ◽

Bin Liu ◽

Peilin Zhang ◽

Takeshi Morikawa ◽

Ken-ichi Yamanaka ◽

...

Keyword(s):

Photocatalytic Oxidation ◽

Light Irradiation ◽

Led Light ◽

Nitrogen Doped ◽

Doped Titania ◽

Platinum Loading

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Enhanced Photocatalytic Activity of Nitrogen-Doped Titania by Deposited with Gold

The Journal of Physical Chemistry C ◽

10.1021/jp904465d ◽

2009 ◽

Vol 113 (33) ◽

pp. 14689-14695 ◽

Cited By ~ 178

Author(s):

Yongmei Wu ◽

Haibei Liu ◽

Jinlong Zhang ◽

Feng Chen

Keyword(s):

Photocatalytic Activity ◽

Nitrogen Doped ◽

Doped Titania

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Biomimetic nitrogen doped titania nanoparticles as a colorimetric platform for hydrogen peroxide detection

Journal of Colloid and Interface Science ◽

10.1016/j.jcis.2017.07.014 ◽

2017 ◽

Vol 505 ◽

pp. 1147-1157 ◽

Cited By ~ 13

Author(s):

Muhammad Nasir ◽

Sajid Rauf ◽

Nawshad Muhammad ◽

Mian Hasnain Nawaz ◽

Aqif Anwar Chaudhry ◽

...

Keyword(s):

Hydrogen Peroxide ◽

Titania Nanoparticles ◽

Nitrogen Doped ◽

Hydrogen Peroxide Detection ◽

Doped Titania

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Fabrication of nitrogen-doped hierarchical porous carbons from Sargassum as advanced electrode materials for supercapacitors

New Journal of Chemistry ◽

10.1039/d1nj02970c ◽

2021 ◽

Author(s):

Feiqiang Guo ◽

Yinbo Zhan ◽

Xiaopeng Jia ◽

Huiming Zhou ◽

Shuang Liang ◽

...

Keyword(s):

High Performance ◽

Nitrogen Doping ◽

Electrode Materials ◽

Three Dimensional ◽

Koh Activation ◽

Porous Carbons ◽

Nitrogen Doped ◽

Novel Approach ◽

Hierarchical Porous ◽

Hierarchical Porous Carbons

Using Sargassum as the precursor, a novel approach was developed to synthesize three-dimensional porous carbons as high-performance electrode materials for supercapacitors via KOH activation and subsequent nitrogen-doping employing melamine as...

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Gentamicin enhanced production of hydrogen peroxide by renal cortical mitochondria

AJP Cell Physiology ◽

10.1152/ajpcell.1987.253.4.c495 ◽

1987 ◽

Vol 253 (4) ◽

pp. C495-C499 ◽

Cited By ~ 107

Author(s):

P. D. Walker ◽

S. V. Shah

Keyword(s):

Hydrogen Peroxide ◽

Mitochondrial Respiration ◽

Critical Role ◽

Reactive Oxygen ◽

Reactive Oxygen Metabolites ◽

Enhanced Production ◽

Production Of Hydrogen ◽

Hydrogen Peroxide Generation ◽

Dose Dependent ◽

Oxygen Metabolites

Agents that affect mitochondrial respiration have been shown to enhance the generation of reactive oxygen metabolites. On the basis of the well-demonstrated ability of gentamicin to alter mitochondrial respiration (stimulation of state 4 and inhibition of state 3), it was postulated that gentamicin may enhance the generation of reactive oxygen metabolites by renal cortical mitochondria. The aim of this study was to examine the effect of gentamicin on the production of hydrogen peroxide (measured as the decrease in scopoletin fluorescence) in rat renal cortical mitochondria. The hydrogen peroxide generation by mitochondria was enhanced from 0.17 +/- 0.02 nmol . mg-1 . min-1 (n = 14) in the absence of gentamicin to 6.21 +/- 0.67 nmol . mg-1 . min-1 (n = 14) in the presence of 4 mM gentamicin. This response was dose dependent with a significant increase observed at even the lowest concentration of gentamicin tested, 0.01 mM. Production of hydrogen peroxide was not increased when gentamicin was added to incubation media in which mitochondria or substrate was omitted or heat-inactivated mitochondria were used. The gentamicin-induced change in fluorescence was completely inhibited by catalase (but not by heat-inactivated catalase), indicating that the decrease in fluorescence was due to hydrogen peroxide. Thus this study demonstrates that gentamicin enhances the production of hydrogen peroxide by mitochondria. Because of their well-documented cytotoxicity, reactive oxygen metabolites may play a critical role in gentamicin nephrotoxicity.

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