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Articles de revues sur le sujet « Boron-doped CuO »

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Auteur : Grafiati
Publié le 14 mars 2023

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1

Wan, Qiang, Jianling Zhang, Bingxing Zhang, Dongxing Tan, Lei Yao, Lirong Zheng, Fanyu Zhang, Lifei Liu, Xiuyan Cheng et Buxing Han. « Boron-doped CuO nanobundles for electroreduction of carbon dioxide to ethylene ». Green Chemistry 22, no 9 (2020) : 2750–54. http://dx.doi.org/10.1039/d0gc00730g.

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Herein, we synthesize B-doped CuO nanobundles for electrocatalytic CO2 reduction. Ethylene is the only multi-carbon product and a maximum ethylene faradaic efficiency (FE) of 58.4% can be achieved at −1.1 V (versus the reversible hydrogen electrode).
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2

Koysuren, Hafize Nagehan, et Ozcan Koysuren. « Photocatalytic Activity of Boron Doped CuO and Its Composite with Polyaniline ». Polymer-Plastics Technology and Materials 62, no 3 (21 août 2022) : 281–93. http://dx.doi.org/10.1080/25740881.2022.2113894.

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3

Li, Min, Xiaoying Yin, Hongli Shan, Chenting Meng, Shengxue Chen et Yinan Yan. « The Facile Preparation of PBA-GO-CuO-Modified Electrochemical Biosensor Used for the Measurement of α-Amylase Inhibitors’ Activity ». Molecules 27, no 8 (7 avril 2022) : 2395. http://dx.doi.org/10.3390/molecules27082395.

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Element doping and nanoparticle decoration of graphene is an effective strategy to fabricate biosensor electrodes for specific biomedical signal detections. In this study, a novel nonenzymatic glucose sensor electrode was developed with copper oxide (CuO) and boron-doped graphene oxide (B-GO), which was firstly used to reveal rhubarb extraction’s inhibitive activity toward α-amylase. The 1-pyreneboronic acid (PBA)-GO-CuO nanocomposite was prepared by a hydrothermal method, and its successful boron doping was confirmed by transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS), in which the boron doping rate is unprecedentedly up to 9.6%. The CuO load reaches ~12.5 wt.%. Further electrochemical results showed that in the enlarged cyclic voltammograms diagram, the electron-deficient boron doping sites made it easier for the electron transfer in graphene, promoting the valence transition from CuO to the electrode surface. Moreover, the sensor platform was ultrasensitive to glucose with a detection limit of 0.7 μM and high sensitivity of 906 μA mM−1 cm−2, ensuring the sensitive monitoring of enzyme activity. The inhibition rate of acarbose, a model inhibitor, is proportional to the logarithm of concentration in the range of 10−9–10−3 M with the correlation coefficient of R2 = 0.996, and an ultralow limit of detection of ~1 × 10−9 M by the developed method using the PBA-GO-CuO electrode. The inhibiting ability of Rhein-8-b-D-glucopyranoside, which is isolated from natural medicines, was also evaluated. The constructed sensor platform was proven to be sensitive and selective as well as cost-effective, facile, and reliable, making it promising as a candidate for α-amylase inhibitor screening.
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Al-Abdallat, Yousef, Inshad Jumah, Rami Jumah, Hanadi Ghanem et Ahmad Telfah. « Catalytic Electrochemical Water Splitting Using Boron Doped Diamond (BDD) Electrodes as a Promising Energy Resource and Storage Solution ». Energies 13, no 20 (10 octobre 2020) : 5265. http://dx.doi.org/10.3390/en13205265.

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The present study developed a new system of electrochemical water splitting using a boron doped diamond (BDD) electrode in the electrochemical reactor. The new method assessed the electrical current, acidity (pH), electrical conductivity, absorbance, dissipation, and splitting energies in addition to the water splitting efficiency of the overall process. Employing CuO NPs and ZnO NPs as catalysts induced a significant impact in reducing the dissipated energy and in increasing the efficiency of splitting water. Specifically, CuO NPs showed a significant enhancement in reducing the dissipated energy and in keeping the electrical current of the reaction stable. Meanwhile, the system catalyzed with ZnO NPs induced a similar impact as that for CuO NPs at a lower rate only. The energy dissipation rates in the system were found to be 48% and 65% by using CuO and ZnO NPs, respectively. However, the dissipation rate for the normalized system without catalysis (water buffer at pH = 6.5) is known to be 100%. The energy efficiency of the system was found to be 25% without catalysis, while it was found to be 82% for the system catalyzed with ZnO NPs compared to that for CuO NPs (normalized to 100%). The energy dissipated in the case of the non-catalyzed system was found to be the highest. Overall, water splitting catalyzed with CuO NPs exhibits the best performance under the applied experimental conditions by using the BDD/Niobium (Nb) electrodes.
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Patra, Kshirodra Kumar, Sojung Park, Hakhyeon Song, Beomil Kim, Wooyul Kim et Jihun Oh. « Operando Spectroscopic Investigation of a Boron-Doped CuO Catalyst and Its Role in Selective Electrochemical C–C Coupling ». ACS Applied Energy Materials 3, no 11 (6 novembre 2020) : 11343–49. http://dx.doi.org/10.1021/acsaem.0c02284.

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Asadi, Hamed, et Majid Vaezzadeh. « Computational designing ultra-sensitive nano-composite based on boron doped and CuO decorated graphene to adsorb H2S and CO gaseous molecules ». Materials Research Express 4, no 7 (25 juillet 2017) : 075039. http://dx.doi.org/10.1088/2053-1591/aa7c33.

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Gao, Buhong, Fengyi Zhao, Yingchun Miao, Huihua Min, Li Xu et Chaobo Huang. « Boron- and nitrogen-doped photoluminescent polymer carbon nanoparticles as nanosensors for imaging detection of Cu2+ and biothiols in living cells ». RSC Adv. 7, no 75 (2017) : 47654–61. http://dx.doi.org/10.1039/c7ra07683e.

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d’Amora, Marta, Adalberto Camisasca, Raul Arenal et Silvia Giordani. « In Vitro and In Vivo Biocompatibility of Boron/Nitrogen Co-Doped Carbon Nano-Onions ». Nanomaterials 11, no 11 (10 novembre 2021) : 3017. http://dx.doi.org/10.3390/nano11113017.

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Boron/nitrogen, co-doped, carbon nano-onions (BN-CNOs) have recently shown great promise as catalysts for the oxygen reduction reaction, due to the improved electronic properties imparted by the dopant atoms; however, the interactions of BN-CNOs with biological systems have not yet been explored. In this study, we examined the toxicological profiles of BN-CNOs and oxidized BN-CNOs (oxi-BN-CNOs) in vitro in both healthy and cancer cell lines, as well as on the embryonic stages of zebrafish (Danio rerio) in vivo. The cell viabilities of both cell lines cells were not affected after treatment with different concentrations of both doped CNO derivatives. On the other hand, the analysis of BN-CNOs and oxidized BN-CNO interactions with zebrafish embryos did not report any kind of perturbations, in agreement with the in vitro results. Our results show that both doped CNO derivatives possess a high biocompatibility and biosafety in cells and more complex systems.
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Damte, Jemal Yimer, Shang-lin Lyu, Ermias Girma Leggesse et Jyh Chiang Jiang. « Methanol decomposition reactions over a boron-doped graphene supported Ru–Pt catalyst ». Physical Chemistry Chemical Physics 20, no 14 (2018) : 9355–63. http://dx.doi.org/10.1039/c7cp07618e.

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In-depth investigations of adsorption and decomposition of methanol over boron-doped graphene supported Ru–Pt catalyst are presented using periodic density functional theory calculations. Methanol decomposition on such catalyst proceeds through formation of methoxide (CH3O) and via stepwise dehydrogenation of formaldehyde (CH2O), formyl (CHO), and carbon monoxide (CO).
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Dakhel, A. A. « Structural, optical and electrical measurements on boron-doped CdO thin films ». Journal of Materials Science 46, no 21 (novembre 2011) : 6925–31. http://dx.doi.org/10.1007/s10853-011-5658-6.

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P�tzold, O., G. G�rtner et G. Irmer. « Boron Site Distribution in Doped GaAs ». physica status solidi (b) 232, no 2 (août 2002) : 314–22. http://dx.doi.org/10.1002/1521-3951(200208)232:2<314 ::aid-pssb314>3.0.co;2-#.

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Yokomichi, H., M. Matoba, T. Fukuhara, H. Sakima, F. Sakai et K. Maezawa. « Are Boron-Doped Carbon Nanotubes Metallic ? » physica status solidi (b) 207, no 1 (mai 1998) : R1—R2. http://dx.doi.org/10.1002/(sici)1521-3951(199805)207:13.0.co;2-d.

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Chevallier, J., D. Ballutaud, B. Theys, F. Jomard, A. Deneuville, E. Gheeraert et F. Pruvost. « Hydrogen in Monocrystalline CVD Boron Doped Diamond ». physica status solidi (a) 174, no 1 (juillet 1999) : 73–81. http://dx.doi.org/10.1002/(sici)1521-396x(199907)174:1<73 ::aid-pssa73>3.0.co;2-5.

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Mubina, M. S. Kairon, S. Shailajha, R. Sankaranarayanan et S. Thirithuva Smily. « Enriched biological and mechanical properties of boron doped SiO2-CaO-Na2O-P2O5 bioactive glass ceramics (BGC) ». Journal of Non-Crystalline Solids 570 (octobre 2021) : 121007. http://dx.doi.org/10.1016/j.jnoncrysol.2021.121007.

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Bustarret, E., F. Pruvost, M. Bernard, C. Cytermann et C. Uzan-Saguy. « Optical Conductivity Studies in Heavily Boron-Doped Diamond ». physica status solidi (a) 186, no 2 (août 2001) : 303–7. http://dx.doi.org/10.1002/1521-396x(200108)186:2<303 ::aid-pssa303>3.0.co;2-5.

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Nebel, C. E., R. Zeisel et M. Stutzmann. « CV and DLTS Experiments in Boron-Doped Diamond ». physica status solidi (a) 174, no 1 (juillet 1999) : 117–27. http://dx.doi.org/10.1002/(sici)1521-396x(199907)174:1<117 ::aid-pssa117>3.0.co;2-x.

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17

Mohan, Hugh, Valeria Bincoletto, Silvia Arpicco et Silvia Giordani. « Supramolecular Functionalisation of B/N Co-Doped Carbon Nano-Onions for Novel Nanocarrier Systems ». Materials 15, no 17 (30 août 2022) : 5987. http://dx.doi.org/10.3390/ma15175987.

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Boron/nitrogen co-doped carbon nano-onions (BN-CNOs) are spherical nanoparticles that consist of multiple inter-nestled fullerene layers, giving them an onion-like internal structure. They have potential as nanocarriers due to their small size, aqueous dispersibility, and biocompatibility. The non-covalent attachment of a biocompatible polymer to BN-CNOs is a simple and effective method of creating a scaffold for a novel nanocarrier system as it allows for increased aqueous dispersibility whilst preventing the immune system from recognising the particle as a foreign object. The non-covalent approach also preserves the electronic and structural properties of the BN-CNOs. In this study, we attached a hyaluronic acid-phospholipid (HA-DMPE) conjugate polymer to the BN-CNO’s surface to improve its hydrophilicity and provide targetability toward HA-receptor overexpressing cancer cells. To this end, various ratios of HA-DMPE to BN-CNOs were investigated. The resulting supramolecular systems were characterised via UV-Vis absorption and FTIR spectroscopy, dynamic light scattering, and zeta potential techniques. It was found that the HA-DMPE conjugate polymer was permanently wrapped around the BN-CNO nanoparticle surface. Moreover, the resulting BN-CNO/HA-DMPE supramolecular systems displayed enhanced aqueous solubility compared to unfunctionalised BN-CNOs, with excellent long-term stability observed in aqueous dispersions.
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18

Yew, Eeu Tien, Wan Ming Hua, Poh Sum Wong, Nur Amanina Mat Jan, Zuhairi Ibrahim et Rosli Hussin. « Structural Study of Antimony Borate Glass System Doped with Transition Metal Ions Using Infrared and Raman Spectroscopy ». Advanced Materials Research 501 (avril 2012) : 51–55. http://dx.doi.org/10.4028/www.scientific.net/amr.501.51.

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A series of Antimony Borate glass samples were investigated to determine the structural feature. The glass samples from the series of xSb2O3:(1-x)B2O3 with composition of 20≤x≤60 mol% and 0.6 Sb2O3:0.4B2O3:y with y is 0.01 mol% of Nb2O5, CuO, ZnO system have been prepared using melt-quenching technique. The structural properties of Sb2O3 host and the introduction of dopents onto the host sample has been investigated using Infrared and RAMAN Spectroscopy. The result of IR and Raman Spectroscopy revealed that the network structure of the studied glasses is mainly based on BO3 and BO4 units placed in different structural groups, the BO3 units being dominant. IR spectra obtained shows conversion of BO3 to BO4 units upon the introduction of Sb2O3 commonly known as boron anomaly effect. The glass network can be modified with the presence of Sb2O3 and activator ions. The significant behavior in Raman Spectra indicates the presence of boroxol groups consisting of pure BO3 groups and mixed BO3-BO4 structural units. This study shows that the vibrational spectroscopy (Infrared and Raman) provide useful method, and inter-complementary information about the structural properties of antimony modified borate glasses.
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19

Allam, E. A., R. M. El-Sharkawy, Kh S. Shaaban, A. El-Taher, M. E. Mahmoud et Y. El Sayed. « Structural and thermal properties of nickel oxide nanoparticles doped cadmium zinc borate glasses : preparation and characterization ». Digest Journal of Nanomaterials and Biostructures 17, no 1 (janvier 2022) : 161–70. http://dx.doi.org/10.15251/djnb.2022.171.161.

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Nickel-doped cadmium zinc borate glass of various nickel oxide content was prepared as xNiO–20ZnO–60B2 O3 –(20-x) CdO (0≤x≤5 mol %), by the melt quenching method based on nano metal oxides. Both the zinc oxide nanoparticles (ZnO NPs) and cadmium oxide nanoparticles (CdO NPs) were prepared via the solution–combustion technique. Nickel oxide nanoparticles (NiO NPs) was synthesized by the combustion of Ni(OH)2 and boron oxide nanoparticles (B2 O3 NPs)was synthesized by the solid-state reaction method. The amorphous nature of these types of glass was confirmed using X-ray diffraction analysis (XRD). The morphology of nano-metal oxides was investigated via the scanning electron microscope (SEM). SEM imaging showed that the NiO NPs had a semi-spherical morphology, and that their average particle size was 22.17 nm. The Fourier-transform infrared spectroscopy’s (FTIR) spectral analysis was used to identify the structural units of these types of glass via deconvolution, in terms of multi-Gaussian fitting. Results proved that Ni 4+ plays an important role and a key to improve the formation of the BO4 network units. Finally, the high thermal stability and glass transition temperature of the prepared glass samples were increased by increasing the loading of NiO NPs from 0.0 mol % - 5.0 7k = mol % and this was established by using DTA.
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Yamanaka, S., D. Takeuchi, H. Watanabe, H. Okushi et K. Kajimura. « Low-Compensated Boron-Doped Homoepitaxial Diamond Films Using Trimethylboron ». physica status solidi (a) 174, no 1 (juillet 1999) : 59–64. http://dx.doi.org/10.1002/(sici)1521-396x(199907)174:1<59 ::aid-pssa59>3.0.co;2-a.

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K. Markose, Kurias, Manu Shaji, Swasti Bhatia, Pradeep R. Nair, Kachirayil J. Saji, Aldrin Antony et Madambi K. Jayaraj. « Novel Boron-Doped p-Type Cu2O Thin Films as a Hole-Selective Contact in c-Si Solar Cells ». ACS Applied Materials & ; Interfaces 12, no 11 (21 février 2020) : 12972–81. http://dx.doi.org/10.1021/acsami.9b22581.

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Kagan, M. S., I. V. Altukhov, K. A. Korolev, D. V. Orlov, V. P. Sinis, S. G. Thomas, K. L. Wang et I. N. Yassievich. « Lateral Transport in Strained SiGe Quantum Wells Doped with Boron ». physica status solidi (b) 211, no 1 (janvier 1999) : 495–99. http://dx.doi.org/10.1002/(sici)1521-3951(199901)211:1<495 ::aid-pssb495>3.0.co;2-8.

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Haro Durand, Luis A., Adrián Góngora, José M. Porto López, Aldo R. Boccaccini, M. Paola Zago, Alberto Baldi et Alejandro Gorustovich. « In vitro endothelial cell response to ionic dissolution products from boron-doped bioactive glass in the SiO2–CaO–P2O5–Na2O system ». J. Mater. Chem. B 2, no 43 (2014) : 7620–30. http://dx.doi.org/10.1039/c4tb01043d.

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As it has been established that boron (B) may perform functions in angiogenesis and osteogenesis, the controlled and localized release of B ions from bioactive glasses (BGs) is expected to provide a promising therapeutic alternative for regenerative medicine of vascularized tissues, such as bone.
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Ferreira, Robson, Jamal Chaar, Maurício Baldan et Neila Braga. « Simultaneous voltammetric detection of Fe3+, Cu2+, Zn2+, Pb2+ e Cd2+ in fuel ethanol using anodic stripping voltammetry and boron-doped diamond electrodes ». Fuel 291 (mai 2021) : 120104. http://dx.doi.org/10.1016/j.fuel.2020.120104.

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Glunz, S. W., S. Rein, J. Knobloch, W. Wettling et T. Abe. « Comparison of boron- and gallium-doped p-type Czochralski silicon for photovoltaic application ». Progress in Photovoltaics : Research and Applications 7, no 6 (novembre 1999) : 463–69. http://dx.doi.org/10.1002/(sici)1099-159x(199911/12)7:6<463 ::aid-pip293>3.0.co;2-h.

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Shaji, Manu, Kurias K. Markose, K. J. Saji et M. K. Jayaraj. « Investigation on the improved electrical and optical properties of trivalent boron-doped Cu2O thin film and fabrication of Cu2O:B/c-Si heterojunction diode ». Journal of Materials Science : Materials in Electronics 31, no 13 (25 mai 2020) : 10724–30. http://dx.doi.org/10.1007/s10854-020-03622-1.

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Du, Jiangtao, Shengjie Dong, Yi-Lin Lu, Hui Zhao, Liefeng Feng et L. Y. Wang. « First-principles exploration of sp-electron digital magnetic heterostructures : The case for CaO δ-doped with 2p-block elements boron, carbon, and nitrogen ». Computational Materials Science 130 (avril 2017) : 91–97. http://dx.doi.org/10.1016/j.commatsci.2016.12.030.

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Muret, P., et Ch Saby. « Electronic Properties of Several (100) Surfaces and Interfaces of Boron Doped Homoepitaxial Diamond Thin Films ». physica status solidi (a) 193, no 3 (octobre 2002) : 535–40. http://dx.doi.org/10.1002/1521-396x(200210)193:3<535 ::aid-pssa535>3.0.co;2-h.

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Prado, César, Shelley J Wilkins, Frank Marken et Richard G Compton. « Simultaneous Electrochemical Detection and Determination of Lead and Copper at Boron-Doped Diamond Film Electrodes ». Electroanalysis 14, no 4 (février 2002) : 262–72. http://dx.doi.org/10.1002/1521-4109(200202)14:4<262 ::aid-elan262>3.0.co;2-d.

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Holt, Katherin B, Genevieve Sabin, Richard G Compton, John S Foord et Frank Marken. « Reduction of Tetrachloroaurate(III) at Boron-Doped Diamond Electrodes : Gold Deposition Versus Gold Colloid Formation ». Electroanalysis 14, no 12 (juin 2002) : 797. http://dx.doi.org/10.1002/1521-4109(200206)14:12<797 ::aid-elan797>3.0.co;2-m.

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Shang, P., I. P. Jones et R. E. Smallman. « The Formation and Significance of Stacking Faults in Boron Doped Ni3Al Deformed at 77 K ». physica status solidi (a) 174, no 2 (août 1999) : 343–52. http://dx.doi.org/10.1002/(sici)1521-396x(199908)174:2<343 ::aid-pssa343>3.0.co;2-r.

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Saterlay, Andrew J., John S. Foord et Richard G. Compton. « An Ultrasonically Facilitated Boron-Doped Diamond Voltammetric Sensor for Analysis of the Priority Pollutant 4-Chlorophenol ». Electroanalysis 13, no 13 (septembre 2001) : 1065–70. http://dx.doi.org/10.1002/1521-4109(200109)13:13<1065 ::aid-elan1065>3.0.co;2-5.

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Nekrassova, Olga, Gary D Allen, Nathan S Lawrence, Li Jiang, Timothy G J. Jones et Richard G Compton. « The Oxidation of Cysteine by Aqueous Ferricyanide : A Kinetic Study Using Boron Doped Diamond Electrode Voltammetry ». Electroanalysis 14, no 21 (novembre 2002) : 1464–69. http://dx.doi.org/10.1002/1521-4109(200211)14:21<1464 ::aid-elan1464>3.0.co;2-o.

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Sopchak, David, Barry Miller, Rafi Kalish, Yitzhak Avyigal et Xu Shi. « Dopamine and Ascorbate Analysis at Hydrodynamic Electrodes of Boron Doped Diamond and Nitrogen Incorporated Tetrahedral Amorphous Carbon ». Electroanalysis 14, no 7-8 (avril 2002) : 473–78. http://dx.doi.org/10.1002/1521-4109(200204)14:7/8<473 ::aid-elan473>3.0.co;2-k.

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Prado, César, Gregory G Murcott, Frank Marken, John S Foord et Richard G Compton. « Detection of Chlorophenols in Aqueous Solution via Hydrodynamic Channel Flow Cell Voltammetry Using a Boron-Doped Diamond Electrode ». Electroanalysis 14, no 14 (août 2002) : 975. http://dx.doi.org/10.1002/1521-4109(200208)14:14<975 ::aid-elan975>3.0.co;2-q.

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Ushizawa, Koichi, Gamo Mikka N., Kenji Watanabe, Isao Sakaguchi, Yoichiro Sato et Toshihiro Ando. « Raman spectroscopic study on {100} facet of boron-doped chemical-vapour-deposited diamond crystals with Fano line fitting ». Journal of Raman Spectroscopy 30, no 10 (octobre 1999) : 957–61. http://dx.doi.org/10.1002/(sici)1097-4555(199910)30:10<957 ::aid-jrs469>3.0.co;2-q.

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Garcia-Segura, Sergi, Ricardo Salazar et Enric Brillas. « Mineralization of phthalic acid by solar photoelectro-Fenton with a stirred boron-doped diamond/air-diffusion tank reactor : Influence of Fe3+ and Cu2+ catalysts and identification of oxidation products ». Electrochimica Acta 113 (décembre 2013) : 609–19. http://dx.doi.org/10.1016/j.electacta.2013.09.097.

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Lawrence, Nathan??S, Mary Thompson, César Prado, Li Jiang, Timothy??G ??J Jones et Richard??G Compton. « Amperometric Detection of Sulfide at a Boron Doped Diamond Electrode : The Electrocatalytic Reaction of Sulfide with Ferricyanide in Aqueous Solution. » Electroanalysis 14, no 7-8 (avril 2002) : 499–504. http://dx.doi.org/10.1002/1521-4109(200204)14:7/8<499 ::aid-elan499>3.0.co;2-p.

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Tsai, Yu-Chen, Barry A. Coles, Katherine Holt, John S. Foord, Frank Marken et Richard G. Compton. « Microwave-Enhanced Anodic Stripping Detection of Lead in a River Sediment Sample. A Mercury-Free Procedure Employing a Boron-Doped Diamond Electrode ». Electroanalysis 13, no 10 (juin 2001) : 831–35. http://dx.doi.org/10.1002/1521-4109(200106)13:10<831 ::aid-elan831>3.0.co;2-z.

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Saterlay, Andrew J., César Agra-Gutiérrez, Mark P. Taylor, Frank Marken et Richard G. Compton. « Sono-Cathodic Stripping Voltammetry of Lead at a Polished Boron-Doped Diamond Electrode : Application to the Determination of Lead in River Sediment ». Electroanalysis 11, no 15 (novembre 1999) : 1083–88. http://dx.doi.org/10.1002/(sici)1521-4109(199911)11:15<1083 ::aid-elan1083>3.0.co;2-i.

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Zhang, Chongchao, Hang Yin, Xiao Bai et Ziyin Yang. « High-Performance Non-Enzymatic Glucose Sensor Based on Boron-Doped Copper Oxide Nanbundles ». Journal of The Electrochemical Society, 7 juin 2022. http://dx.doi.org/10.1149/1945-7111/ac7674.

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Abstract For the first time, boron-doped copper oxide (B-CuO) was explored as an excellent electrocatalyst for glucose oxidation, which was synthesized by a simple method. The nanomaterials were characterized by transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. The results show that B-CuO presents a spindle structure with rich pores, which favors exposure of accessible active sites. Moreover, the doping of B significantly accelerates the electron transfer rate. Owing to these unique features, the enzymeless sensor based on B-CuO exhibited excellent performance for glucose analysis with a high sensitivity (1546.13 µA·mM-1·cm-2), a wide detection range (0.2 µM - 1.1 mM), and a low detection limit (0.16 µM). This study demonstrated B-CuO as a new electrocatalyst for electrochemical sensing of glucose.
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« Electrochemical Modification of Boron-Doped Diamond with Cu2O Nanoparticles for Photocatalytic Applications ». ECS Meeting Abstracts, 2016. http://dx.doi.org/10.1149/ma2016-02/49/3709.

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Sylvestre, Koffi Konan, Kambiré Ollo, Kouadio Kouakou Etienne, Kimou Kouakou Jocelin et Ouattara Lassiné. « Detection of Lead (II) on a Boron-doped Diamond Electrode by Differential Pulse Anodic Stripping Voltammetry ». Chemical Science International Journal, 11 septembre 2021, 33–46. http://dx.doi.org/10.9734/csji/2021/v30i730242.

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Lead, even in low concentrations, can be dangerous and toxic to humans and their environment. Due to the toxicity of this metal, an electroanalytical method has been developed for the direct quantitative determination of Pb2+. The Pb2+ detection was performed using Differential Pulse Anodic Stripping Voltammetry. The quantification of Pb2+ by these electrochemical methods was carried out on a boron-doped diamondmicro electrode in HNO3 medium (0.01 M). This work made it possible to efficiently detect lead with a detection limit equal to 0.052 μM and a quantification limit equal to 0.173 μM. This method made it possible to selectively detect and quantify the Pb2+ in the presence of other metals such as Cd2+ and Cu2+. In the presence of other metals, a recovery rate of 94.53% was observed. This value is close to the recovery rate obtained (98.6%) when the Pb2+ is alone in electrolyte.
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Decker, Simon, Marcela Arango-Ospina, Felix Rehder, Arash Moghaddam, Rolf Simon, Christian Merle, Tobias Renkawitz, Aldo R. Boccaccini et Fabian Westhauser. « In vitro and in ovo impact of the ionic dissolution products of boron-doped bioactive silicate glasses on cell viability, osteogenesis and angiogenesis ». Scientific Reports 12, no 1 (20 mai 2022). http://dx.doi.org/10.1038/s41598-022-12430-y.

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AbstractDue to the pivotal role of angiogenesis in bone regeneration, the angiogenic properties of biomaterials are of high importance since they directly correlate with the biomaterials’ osteogenic potential via ‘angiogenic-osteogenic coupling’ mechanisms. The impact of bioactive glasses (BGs) on vascularization can be tailored by incorporation of biologically active ions such as boron (B). Based on the ICIE16-BG composition (in mol%: 49.5 SiO2, 36.3 CaO, 6.6 Na2O, 1.1 P2O5, 6.6 K2O), three B-doped BGs have been developed (compositions in mol%: 46.5/45.5/41.5 SiO2, 36.3 CaO, 6.6 Na2O, 1.1 P2O5, 6.6 K2O, 3/4/8 B2O3). The influence of B-doping on the viability, cellular osteogenic differentiation and expression of osteogenic and angiogenic marker genes of bone marrow-derived mesenchymal stromal cells (BMSCs) was analyzed by cultivating BMSCs in presence of the BGs’ ionic dissolution products (IDPs). Furthermore, the influence of the IDPs on angiogenesis was evaluated in ovo using a chorioallantoic membrane (CAM) assay. The influence of B-doped BGs on BMSC viability was dose-dependent, with higher B concentrations showing limited negative effects. B-doping led to a slight stimulation of osteogenesis and angiogenesis in vitro. In contrast to that, B-doping significantly enhanced vascularization in ovo, especially in higher concentrations. Differences between the results of the in vitro and in ovo part of this study might be explained via the different importance of vascularization in both settings. The implementation of new experimental models that cover the ‘angiogenic-osteogenic coupling’ mechanisms is highly relevant, for instance via extending the application of the CAM assay from solely angiogenic to angiogenic and osteogenic purposes.
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Sui, Chao, Zhiping Zhang, Xue Cai, Qi Zhou et Meysam Najafi. « Titanium-doped carbon and boron nitride nanocages (Ti–$$\hbox {C}_{48}$$ and Ti–$$\hbox {B}_{24}\hbox {N}_{24}$$) as catalysts for $$\hbox {ClO} + 1/2\hbox {O}_{2} \rightarrow \hbox {ClO}_{2}$$ reaction : theoretical study ». Bulletin of Materials Science 43, no 1 (18 décembre 2019). http://dx.doi.org/10.1007/s12034-019-1983-1.

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