Functionalization of 3-aminopropyltrimethoxysilane Self-Assembled Monolayers on ZnO/Au nanowires: Role of the Seed layer

G, J.F. Malagón; Salinas, Rafael A.; Galdámez, Antonio; Orduña-Díaz, A.; Dutt, A.

doi:10.1016/j.matlet.2021.129452

Cited by 8 publications

(5 citation statements)

References 14 publications

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“…It is worth mentioning that the hydroxylation solution does not decrease the signal of Zn‐O, which can be related to the material morphology and how the hydroxylation solution can interact with the surface. [ 43 ] Regarding antibody immobilization, the most important signals identified were the amide 1 stretching C=O at 1693 cm −1 and the amide 2 bending N‐H at 1536 cm −1 , implying a better antibody attachment on 1DZnO_2. [ 49,50 ]…”

Section: Resultsmentioning

confidence: 99%

“…As demonstrated in previous works, Fourier transform infrared spectroscopy (FTIR) has allowed following the changes that occur at the material surface after processes that involve chemical modifications. [12,32,43] A Proof-of-concept of antibody immobilization was developed to find the morphology that permits an improved biofunctionalization. Figure 4 shows the FTIR spectroscopic analysis of surface chemical modification for the three 1DZnO samples.…”

Section: Spectroscopic Analysis Of the Biofunctionalization Processmentioning

confidence: 99%

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Interaction Study of Anti‐E. coli Immobilization on 1DZnO at Nanoscale for Optical Biosensing Application

Salinas

Galdámez‐Martínez

Tolibia

et al. 2023

Adv Materials Inter

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Developing low‐cost biosensing platforms for robust detection response and sensitivity at low concentrations is of great interest. This work reports synthesizing 1D ZnO nanostructured materials (1DZnO) with controllable properties utilizing a metal catalyst‐assisted vapor phase growth technique (VLS). The obtained materials are functionalized with (3‐aminopropyl) trimetoxysilane (APTMS) and immobilized with anti‐Escherichia coli enteropathogenic (EPEC) antibodies. Characterization results show changes in the optical and structural properties of 1DZnO that are correlated with the biofunctionalization methodologies. Further, the biofunctionalization process is assessed on 1DZnO surface platforms to obtain acceptable antibody immobilization efficiencies (52%, 96%, and 100%) using a low‐concentration antibody solution (30 µg ml−1). Special techniques such as focused ion beam micromachining and scanning tunneling electron microscopy are proposed to appreciate the semiconductor biofunctionalization layer around 1DZnO and explain the physics of the interaction process. It is found that morphology obtained from distinct synthesis methods, solvents, and functionalization agents can generate functional groups for biomolecule attachment. Remarkably, it is demonstrated that biofunctionalization on 1DZnO takes place all over a single nanostructure. This work presents a proof‐of‐concept focused on generating pathogen sensing platforms using 1DznO semiconducting materials, providing new insights into bio‐analytes interaction with structures at the nanoscale.

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Section: Resultsmentioning

confidence: 99%

Section: Spectroscopic Analysis Of the Biofunctionalization Processmentioning

confidence: 99%

Interaction Study of Anti‐E. coli Immobilization on 1DZnO at Nanoscale for Optical Biosensing Application

Salinas

Galdámez‐Martínez

Tolibia

et al. 2023

Adv Materials Inter

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“…For example, surface functionalization of ZnO nanowires with 3-aminopropyltrimethoxysilane (APTMS) has been shown to improve their electrical conductivity [8]. Similarly, surface passivation of Cu 2 O thin films with magnesium oxide (MgO) has been shown to improve their optical properties [151].…”

Section: Emerging Materials and Techniques For Enhancing Performancementioning

confidence: 99%

A review of novel methods to improve the optical and electrical properties of n-type and p-type sulphides and oxides: leading the frontiers of semiconductor technology

Madkhali

2024

Phys. Scr.

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This review paper focuses on the current advancements in improving the optical and electrical properties of n-type and p-type oxides and sulphide semiconductors. The demand for high-performance semiconductors has grown significantly in recent years due to their wide range of applications in electronic and optoelectronic devices. However, the inherent limitations of these materials such as low conductivity, poor optical absorption, and low carrier mobility have hindered their widespread adoption. This paper provides an overview of various techniques that have been employed to improve the optical and electrical properties of n-type and p-type oxides and sulphide semiconductors. These techniques include doping with impurities, defect engineering, surface passivation, and bandgap engineering. The paper also discusses the recent progress in the synthesis of these materials using different methods such as chemical vapour deposition, sol-gel, and hydrothermal methods. Furthermore, this review paper highlights the applications of these improved materials in various fields such as solar cells, light-emitting diodes, photocatalysis, and sensing. Finally, the paper concludes with the prospects of these materials and the challenges that need to be addressed to achieve their full potential. Overall, this review paper provides valuable insights into the current state-of-the-art techniques for improving the optical and electrical properties of n-type and p-type oxides and sulphide semiconductors, which can potentially lead to the development of high-performance devices.

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“… Chemical functionalization can potentially disrupt other proteins or substances in the target environment, potentially affecting the precision and reliability of biomedical uses. [ [228] , [229] , [230] ]. Enables the integration of nanowire characteristics with the capabilities of the linked biomolecules.…”

Section: Synthesis and Functionalization Of Nanowiresmentioning

confidence: 99%

A comprehensive review on the biomedical frontiers of nanowire applications

Mim,

Hasan,

Chowdhury

et al. 2024

Heliyon

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Functionalization of 3-aminopropyltrimethoxysilane Self-Assembled Monolayers on ZnO/Au nanowires: Role of the Seed layer

Cited by 8 publications

References 14 publications

Interaction Study of Anti‐E. coli Immobilization on 1DZnO at Nanoscale for Optical Biosensing Application

Interaction Study of Anti‐E. coli Immobilization on 1DZnO at Nanoscale for Optical Biosensing Application

A review of novel methods to improve the optical and electrical properties of n-type and p-type sulphides and oxides: leading the frontiers of semiconductor technology

A comprehensive review on the biomedical frontiers of nanowire applications

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