Polyethyleneimine protected silver nanoclusters luminescence probe for sensitive detection of cobalt (II) in living cells

Meng, Lei; Zhu, Quan; Yin, Jian‐Hang; Xu, Na

doi:10.1016/j.jphotobiol.2017.06.033

Cited by 19 publications

(8 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Optimized preparation condition of CuNCs@PEI PEI protected copper nanoclusters (CuCNs@PEI) was synthesized according to UV irradiation combined with microwave assisted method. [48] To achieve the CuNCs@PEI with excellent performance, its preparation process parameters were optimized. The effect of AA dosage (1.2, 1.4, 1.6, 1.8 and 2.0 mmoL) was discussed (Figure S1A).…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

A Fluorescent Probe Based on Polyethyleneimine Protected Copper Nanoclusters for the Assay of Tetracycline Hydrochloride and Vitamin B12

Qin

Fan

et al. 2021

ChemistrySelect

View full text Add to dashboard Cite

A water-soluble and polyethyleneimine protected copper nanoclusters (CuNCs@PEI) was prepared by one-step ultraviolet radiation (UVI) combined with microwave heating (MWH) method, and the influence of different energy suppliers on the CuNCs@PEI luminescence performance was investigated in detail. The as-prepared CuNCs@PEI could be used as a viable fluorescent probe for sensitive and selective mensurating TCH (tetracycline hydrochloride)/VB12 (vitamin B12) with a linear response in the range of 0.33-66.67/0.33-53.33 μmol L À 1 , and corresponding limit of detection (LOD) and limit of quantifica-tion (LOQ) were calculated to be 55.50/56.34 and 184.82/ 187.61 nmol L À 1 . The fluorescence (FL) quenching of CuNCs@PEI by TCH/VB12 came from the combination of FRET (Förster resonance energy transfer) and IFE (inner filter effect). Moreover, the probe was successfully extended to the assays of TCH in veterinary powder or TCH tablets and VB12 in oral liquid or VB12 tablets with satisfactory results compared to the standard HPLC method. Besides, the CuNCs@PEI probe exhibited a good temperature sensing.

show abstract

Section: Resultsmentioning

confidence: 99%

“…PEI protected copper nanoclusters (CuCNs@PEI) was synthesized according to UV irradiation combined with microwave assisted method [48] . To achieve the CuNCs@PEI with excellent performance, its preparation process parameters were optimized.…”

Section: Resultsmentioning

confidence: 99%

A Fluorescent Probe Based on Polyethyleneimine Protected Copper Nanoclusters for the Assay of Tetracycline Hydrochloride and Vitamin B12

Qin

Fan

et al. 2021

ChemistrySelect

View full text Add to dashboard Cite

show abstract

“…One of the most used ligands in AuNCs fabrication is bovine serum albumin (BSA), which plays the roles of both reductant and end-capping reagent, and the resultant BSA-capped NCs can be used in imaged blood vessels and tumors in mice [8]. Polyethyleneimine protected AgNCs can be used to selectively detect Co 2+ from 13 metal ions and image Hela cells [9], while cysteine-protected CuNCs with red emission are able to catalyze the degradation of toxic 4-nitrophenol to non-toxic 4-aminophenol [10]. Among these applications involving metal NCs, sensing technologies, which provide information on the composition of materials, have received much attention [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Luminescent Sensors Based on the Assembly of Coinage Metal Nanoclusters

Ren

Shu

et al. 2022

Chemosensors

View full text Add to dashboard Cite

Coinage metals, such as Cu, Ag and Au, can form nanoclusters, which, when functionalized with ligands, have unique electronic and optical properties and are widely used in biomedical imaging, remote sensing, labeling, catalytic, etc. The mechanisms, structures and properties of nanocluster assemblies have been well reviewed. However, the collections and analyses of nanocluster assemblies for sensor application are few. This review examines different nanocluster sensor platforms with a focus on the assembly and analysis of the assembly processes and examples of applications.

show abstract

“…[11] Moreover, the special fluorescence properties of AgNCs have been considered for the fluorescence detection. [13][14][15][16][17][18] For example, Huang et al achieved specific and sensitive fluorescence detection toward organic mercury in seafood by using DNA-templated AgNCs. [13] Cai et al synthesized the histidine-capped AgNCs as a fluorescent sensor for the sensitive and selective determination of aloin in natural samples.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Silver Nanoclusters and Nanocomposite Films Based on Coordinated Electrodeposition of Carboxymethyl Cellulose

Wang

et al. 2022

Macro Materials & Eng

View full text Add to dashboard Cite

Here, a facile and green approach based on the coordinated electrodeposition of carboxymethyl cellulose (CMC) is developed to fabricate silver nanoclusters (AgNCs) and AgNCs/CMC nanocomposite films. In the approach, CMC not only serves as the electrodeposition polysaccharide, but also acts as the stabilizing agent and reducing agent for the synthesis of AgNCs, as well as the major component in the resulting AgNCs/CMC nanocomposite film. After the electrodeposition and incubation, a homogeneous and smooth film is generated on the anodic electrode, which exhibits a clear yellow florescence. Transmission electron microscopy observation shows that there are nanoparticles with the average size of 1.7 nm in the nanocomposite film. X‐ray photoelectron spectroscopy, UV–vis absorption spectroscopy, and fluorescence spectroscopy both confirm that there are AgNCs in the nanocomposite film. The AgNCs/CMC nanocomposite film shows the capability for fluorescence detection by using the fluorescence quenching features of AgNCs. Moreover, the AgNCs/CMC‐modified electrode can be conveniently and directly produced, which presents potential applications for electrochemical biosensors. Thus, this study provides a novel approach for the green synthesis of AgNCs and direct fabrication of the AgNCs/CMC nanocomposite film, which can be promisingly applied for constructing functional nanocomposites and advanced biodevices.

show abstract

Polyethyleneimine protected silver nanoclusters luminescence probe for sensitive detection of cobalt (II) in living cells

Cited by 19 publications

References 35 publications

A Fluorescent Probe Based on Polyethyleneimine Protected Copper Nanoclusters for the Assay of Tetracycline Hydrochloride and Vitamin B12

A Fluorescent Probe Based on Polyethyleneimine Protected Copper Nanoclusters for the Assay of Tetracycline Hydrochloride and Vitamin B12

Luminescent Sensors Based on the Assembly of Coinage Metal Nanoclusters

Fabrication of Silver Nanoclusters and Nanocomposite Films Based on Coordinated Electrodeposition of Carboxymethyl Cellulose

Contact Info

Product

Resources

About