A NiCo2S4@N/S–CeO2 composite as an electrocatalytic signal amplification label for aptasensing

Li, Lele; Yang, Liwei; Zhang, Si; Sun, Yuping; Li, Fen; Qin, Tengteng; Liu, Xiaoqiang; Zhou, Yanmei; Alwarappan, Subbiah

doi:10.1039/d0tc02738c

Cited by 28 publications

(11 citation statements)

References 49 publications

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“…Each B atom as a ligand is surrounded by four equivalent TM atoms, meanwhile, TM atom as an active site links with four B atoms and other two TM. Thus, valence electrons from TM are shared between each other due to metallic nature, constituting a transition metal based monoborides (TMB nanosheets) [60].…”

Section: Resultsmentioning

confidence: 99%

“…According to recently reported electrocatalyst for NRR, it is emphasized that the overpotential of MoB as an effective catalyst is low (0.14 V). FeB 6 (β) offers the excellent performance for NRR among four iron borates under the DFT calculations, requiring overpotential of 0.52 V [60]. It is also found by Cui that Mo‐based 2D MOF which possesses excellent performance for NRR with a very low overpotential (0.18 V) [52].…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

N₂ electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study

Qin

Jiang

et al. 2020

Int J of Quantum Chemistry

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Electrochemical reduction of N2 at ambient conditions is emerging as a promising route and can be powered by sustainable energies. Large overpotential and the competing hydrogen evolution reaction (HER) are the two major issues associated with the N2 reduction. Thus, the development of efficient electrocatalysts with low overpotential is of utmost significance for electrochemical nitrogen reduction reaction (NRR). In this theoretical study, we report a valuable insight toward a novel two dimensional (2D) transition metal monoboride (TMB) material possessing efficient electrocatalysts application for NRR, investigated by density functional theory method. Through systematically exploring the Gibbs free energy of N2 adsorption on the different TMB (TM = Cr, Mn, Fe, Co, Ni and Mo) nanosheets and analyzing adsorption energy of N2H and NH2 species on these catalysts, we found MoB nanosheets may be the optimum choice as an electrocatalyst for NRR. Moreover, our results also indicate that NRR on MoB nanosheets via the enzymatic pathway is the most favored pathway and *NH*NH → *NH*NH2 is potential‐limiting step with a very low applied overpotential of 0.14 V. In addition, the limiting potentials of NRR (−0.30 V) and HER (−0.48 V) on MoB nanosheet suggest that NRR is prefer to happen on the catalyst. Overall, this study demonstrates that MoB nanosheets as a novel 2D monolayer, which might be utilized as an efficient electrocatalyst for NRR at ambient conditions.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

N₂ electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study

Qin

Jiang

et al. 2020

Int J of Quantum Chemistry

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“…ATP [167], microRNAs [168,169], and DNA [170] were successfully detected too using ceria, for cancer diagnostics [171] or forensics applications [172]. Sensors were developed to monitor the presence of drugs, such as sulfonamide [173] and omeprazole [174]. Additional targets were a hypertension biomarker consisting of the epithelial sodium channel [175], and TNF-alpha for the early screening of neonatal diseases [176].…”

Section: Sensing For the Detection Of Disease Biomarkersmentioning

confidence: 99%

Nanostructured Ceria: Biomolecular Templates and (Bio)applications

et al. 2021

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Ceria (CeO2) nanostructures are well-known in catalysis for energy and environmental preservation and remediation. Recently, they have also been gaining momentum for biological applications in virtue of their unique redox properties that make them antioxidant or pro-oxidant, depending on the experimental conditions and ceria nanomorphology. In particular, interest has grown in the use of biotemplates to exert control over ceria morphology and reactivity. However, only a handful of reports exist on the use of specific biomolecules to template ceria nucleation and growth into defined nanostructures. This review focusses on the latest advancements in the area of biomolecular templates for ceria nanostructures and existing opportunities for their (bio)applications.

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“…chalcogen, pnicogen, and tetrel bonds. [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15] The earliest recognized of these bonds, and that which has generated the largest body of accumulated study, along with applications in multiple fields, is the halogen bond, commonly abbreviated as XB. [16][17][18][19] It is now understood that the XB owes its stability to several factors.…”

Section: Introductionmentioning

confidence: 99%

Influence of Substituents in the Benzene Ring on the Halogen Bond of Iodobenzene with Ammonia

Scheiner

Hunter

2022

ChemPhysChem

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The effects on the CÀ I••N halogen bond between iodobenzene and NH 3 of placing various substituents on the phenyl ring are monitored by quantum calculations. Substituents R = N(CH 3 ) 2 , NH 2 , CH 3 , OCH 3 , COCH 3 , Cl, F, COH, CN, and NO 2 were each placed ortho, meta, and para to the I. The depth of the σ-hole on I is deepened as R becomes more electron-withdrawing which is reflected in a strengthening of the halogen bond, which varied between 3.3 and 5.5 kcal mol À 1 . In most cases, the ortho placement yields the largest perturbation, followed by meta and then para, but this trend is not universal. Parallel to these substituent effects is a progressive lengthening of the covalent CÀ I bond. Formation of the halogen bond reduces the NMR chemical shielding of all three nuclei directly involved in the CÀ I••N interaction. The deshielding of the electron donor N is most closely correlated with the strength of the bond, as is the coupling constant between I and N, so both have potential use as spectroscopic measures of halogen bond strength.

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A NiCo₂S₄@N/S–CeO₂ composite as an electrocatalytic signal amplification label for aptasensing

Abstract:
Herein, we designed a NiCo2S4@N/S-CeO2 composite with amplified electrocatalytic oxygen reduction (ORR) capability by in-situ growth of NiCo2S4 nanoparticles on CeO2 nanospheres with simultaneous doping of nitrogen and sulfur. After...

Cited by 28 publications

References 49 publications

N₂ electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study

N₂ electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study

Nanostructured Ceria: Biomolecular Templates and (Bio)applications

Influence of Substituents in the Benzene Ring on the Halogen Bond of Iodobenzene with Ammonia

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A NiCo2S4@N/S–CeO2 composite as an electrocatalytic signal amplification label for aptasensing

Abstract: Herein, we designed a NiCo2S4@N/S-CeO2 composite with amplified electrocatalytic oxygen reduction (ORR) capability by in-situ growth of NiCo2S4 nanoparticles on CeO2 nanospheres with simultaneous doping of nitrogen and sulfur. After...

Cited by 28 publications

References 49 publications

N2 electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study

N2 electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study

Nanostructured Ceria: Biomolecular Templates and (Bio)applications

Influence of Substituents in the Benzene Ring on the Halogen Bond of Iodobenzene with Ammonia

Contact Info

Product

Resources

About

A NiCo₂S₄@N/S–CeO₂ composite as an electrocatalytic signal amplification label for aptasensing

Abstract:
Herein, we designed a NiCo2S4@N/S-CeO2 composite with amplified electrocatalytic oxygen reduction (ORR) capability by in-situ growth of NiCo2S4 nanoparticles on CeO2 nanospheres with simultaneous doping of nitrogen and sulfur. After...

N₂ electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study

N₂ electrochemical reduction on two dimensional transition metal monoborides: A density functional theory study