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Article ; Online: Co-Reactive Ligand In Situ Engineered Gold Nanoclusters with Ultra-Bright Near-Infrared Electrochemiluminescence for Ultrasensitive and Label-Free Detection of Carboxylesterase Activity.

Guo, Wenzheng / Xia, Mingyang / Peng, Duan / Zhao, Yingyue / Nie, Yamin / Zhou, Yanmei

2024 Volume 96, Issue 6, Page(s) 2369–2377

Abstract: Ultrasensitive and accurate monitoring of carboxylesterase (CE) activity is extremely crucial for the early diagnosis of hepatocellular carcinoma (HCC), which is still a considerable challenge. Herein, using a co-reactive ligand engineering strategy, ... ...

Abstract	Ultrasensitive and accurate monitoring of carboxylesterase (CE) activity is extremely crucial for the early diagnosis of hepatocellular carcinoma (HCC), which is still a considerable challenge. Herein, using a co-reactive ligand engineering strategy, ultra-bright near-infrared (λ
MeSH term(s)	Humans ; Metal Nanoparticles ; Luminescent Measurements ; Gold ; Carcinoma, Hepatocellular ; Ligands ; Electrochemical Techniques ; Liver Neoplasms/diagnosis ; Biosensing Techniques ; Carboxylic Ester Hydrolases ; Limit of Detection
Chemical Substances	Gold (7440-57-5) ; Ligands ; Carboxylic Ester Hydrolases (EC 3.1.1.-)
Language	English
Publishing date	2024-02-04
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1508-8
ISSN	1520-6882 ; 0003-2700
ISSN (online)	1520-6882
ISSN	0003-2700
DOI	10.1021/acs.analchem.3c04153
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Article ; Online: Dual biomarkers-activatable hollow MnO

Ning, Juan / Hu, Guizhen / Wu, Tian / Zhao, Yijun / Nie, Yamin / Zhou, Yanmei

Analytica chimica acta

2024 Volume 1303, Page(s) 342521

Abstract: Background: Theranostic nanoplatforms with integrated diagnostic imaging and multiple therapeutic functions play a vital role in precise diagnosis and efficient treatment for breast cancer, but unfortunately, these nanoplatforms are usually stuck in ... ...

Abstract	Background: Theranostic nanoplatforms with integrated diagnostic imaging and multiple therapeutic functions play a vital role in precise diagnosis and efficient treatment for breast cancer, but unfortunately, these nanoplatforms are usually stuck in single-site imaging and single mode of treatment, causing unsatisfactory diagnostic and therapeutic efficiency. Herein, a dual biomarkers-activatable facile hollow mesoporous MnO Results: The DHMM acted as an integrated diagnostic and therapeutic nanoplatform that realizes multi-site fluorescence imaging-guided high-efficient photothermal/chemodynamic/gene synergistic therapy (PTT/CDT/GT) for breast cancer. The H-MnO Significance: This dual biomarker-activatable multiple therapeutic nanoplatform was realized multi-site fluorescence imaging-guided PTT/CDT/GT combination therapy for breast cancer with higher specificity and efficiency, which provides a promising theranostic nanoplatform for the precision and efficiency of breast cancer treatment.
MeSH term(s)	Precision Medicine ; DNA, Catalytic ; Manganese Compounds ; Oxides ; Optical Imaging ; Biomarkers ; Neoplasms ; Carbocyanines
Chemical Substances	cyanine dye 5 ; DNA, Catalytic ; Manganese Compounds ; Oxides ; Biomarkers ; Carbocyanines
Language	English
Publishing date	2024-03-22
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	1483436-4
ISSN	1873-4324 ; 0003-2670
ISSN (online)	1873-4324
ISSN	0003-2670
DOI	10.1016/j.aca.2024.342521
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Article ; Online: Ligand-Based Shielding Effect Induced Efficient Near-Infrared Electrochemiluminescence of Gold Nanoclusters and Its Sensing Application

Nie, Yamin / Zhang, Yue / Cao, Weiwei / Chai, Ya-qin / Yuan, Ruo

Analytical Chemistry. 2023 Apr. 20, v. 95, no. 17 p.6785-6790

2023

Abstract: Preparing high-efficiency ECL gold nanoclusters (Au NCs) still faces a serious challenge due to the poor stability of co-reactant radicals in aqueous media. Herein, we report a ligand-based shielding effect induced record near-infrared (λₘₐₓ = 786 nm) ... ...

Abstract	Preparing high-efficiency ECL gold nanoclusters (Au NCs) still faces a serious challenge due to the poor stability of co-reactant radicals in aqueous media. Herein, we report a ligand-based shielding effect induced record near-infrared (λₘₐₓ = 786 nm) ECL efficiency of β-cyclodextrin-protected Au NCs (β-CD-Au NCs) with triethylamine (TEA) as co-reactant. The ligand of β-CD-Au NCs with a matched hydrophobic cavity could encapsulate TEA driven by host–guest chemistry, which not only allows the generation of TEA• in the cavity to diminish environmental exposure, thus reducing the quenching by dissolved oxygen, water, etc., but also shortens the charge transfer pathway without extensive chemical modification. Density functional theory, ¹H NMR spectra, electron paramagnetic resonance, and differential pulse voltammetry studies revealed that the β-CD ligand-based shielding effect significantly increased the reactivity efficiency of TEA. More importantly, in stark contrast to those of traditional ligand-protected Au NCs, the ECL efficiency of β-CD-Au NCs enhanced 321-fold versus BSA-Au NCs, 153-fold versus ATT-Au NCs, and 19-fold versus GSH-Au NCs with 1 mM TEA. Therefore, this work provides an in-depth understanding of the crucial role of ligands in enhancing the active co-reactant radical stability for high-efficiency ECL metal NCs to immensely stimulate their promising applications. Using the β-CD-Au NCs as emitters, a “signal off” ECL sensing platform was constructed to detect noradrenaline as a model target with a lower detection limit of 0.91 nM.
Keywords	analytical chemistry ; density functional theory ; detection limit ; dissolved oxygen ; electrochemiluminescence ; electron paramagnetic resonance spectroscopy ; environmental exposure ; hydrophobicity ; ligands ; nanogold ; norepinephrine ; triethylamine ; voltammetry
Language	English
Dates of publication	2023-0420
Size	p. 6785-6790.
Publishing place	American Chemical Society
Document type	Article ; Online
ZDB-ID	1508-8
ISSN	1520-6882 ; 0003-2700
ISSN (online)	1520-6882
ISSN	0003-2700
DOI	10.1021/acs.analchem.2c04939
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Ligand-Based Shielding Effect Induced Efficient Near-Infrared Electrochemiluminescence of Gold Nanoclusters and Its Sensing Application.

Nie, Yamin / Zhang, Yue / Cao, Weiwei / Chai, Ya-Qin / Yuan, Ruo

Analytical chemistry

2023 Volume 95, Issue 17, Page(s) 6785–6790

Abstract	Preparing high-efficiency ECL gold nanoclusters (Au NCs) still faces a serious challenge due to the poor stability of co-reactant radicals in aqueous media. Herein, we report a ligand-based shielding effect induced record near-infrared (λ
Language	English
Publishing date	2023-04-20
Publishing country	United States
Document type	Journal Article
ZDB-ID	1508-8
ISSN	1520-6882 ; 0003-2700
ISSN (online)	1520-6882
ISSN	0003-2700
DOI	10.1021/acs.analchem.2c04939
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Article: Highly Efficient Aggregation-Induced Electrochemiluminescence of Al(III)-Cbatpy Metal–Organic Gels Obtained by Ultrarapid Self-Assembly for a Biosensing Application

Zhang, Yue / Chen, Yifei / Nie, Yamin / Yang, Zezhou / Yuan, Ruo / Wang, Haijun / Chai, Yaqin

Analytical chemistry. 2022 Aug. 23, v. 94, no. 35

2022

Abstract: Aggregation-induced electrochemiluminescence (AIECL) has attracted extensive interest due to the significant increase in ECL response by restricting free intramolecular rotation and torsion, but traditional AIECL emitters suffer from limited ECL ... ...

Abstract	Aggregation-induced electrochemiluminescence (AIECL) has attracted extensive interest due to the significant increase in ECL response by restricting free intramolecular rotation and torsion, but traditional AIECL emitters suffer from limited ECL efficiency, high cost, and complex synthetic steps, dramatically limiting their applications. Herein, novel Al(III)-Cbatpy metal–organic gels (Al(III)-Cbatpy-MOGs) with nanofiber morphology and ultrarapid coordination of Al³⁺ and 4′-carboxylic acid-2,2′:6′,2″-terpyridine (Cbatpy) are developed, which demonstrates an excellent AIECL enhancement behavior far beyond that reported in ECL supramolecular gels. In view of the strong affinity of N and O atoms in Cbatpy toward Al³⁺, Al(III)-Cbatpy-MOGs with high viscosity and stability can be assembled in one step within about 15 s, easily conquering the main predicaments of current AIECL emitters: complicated synthesis steps and poor film formation. Impressively, the ECL efficiency of Al(III)-Cbatpy-MOGs with superemission is about 20 times higher than that of individual Cbatpy molecules, which is attributed to the aggregation of the organic ligand Cbatpy restricting intramolecular rotation and torsion to reduce nonradiative relaxation. Furthermore, compared with traditional metal complexes, Al(III)-Cbatpy-MOGs show the benefits of remarkable biocompatibility and low cost without the involvement of any organic solvents, noble metals, and rare metals. As proof, a “signal-off” sensing platform based on an Al(III)-Cbatpy-MOGs/S₂O₈²– system was constructed for the sensitive detection of dopamine (DA) with a low detection limit of 0.34 nM. This strategy provides a novel method to prepare cheap metal–organic gels as a highly efficient AIECL emitter, which is promising as a luminescent molecular device and biosensor for clinical diagnostic applications.
Keywords	analytical chemistry ; biocompatibility ; biosensors ; detection limit ; dopamine ; electrochemiluminescence ; ligands ; nanofibers ; viscosity
Language	English
Dates of publication	2022-0823
Size	p. 12196-12203.
Publishing place	American Chemical Society
Document type	Article
ZDB-ID	1508-8
ISSN	1520-6882 ; 0003-2700
ISSN (online)	1520-6882
ISSN	0003-2700
DOI	10.1021/acs.analchem.2c02669
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Article ; Online: A DNA-Au nanomachine activated by dual types of biomarkers for multi-site imaging and gene silencing.

Zhou, Yanmei / Li, Zhaoge / Wu, Tian / Ning, Juan / Hu, Guizhen / Nie, Yamin

Chemical communications (Cambridge, England)

2022 Volume 58, Issue 94, Page(s) 13107–13110

Abstract: A programmed DNA-Au nanomachine has been constructed to ... ...

Abstract	A programmed DNA-Au nanomachine has been constructed to achieve
MeSH term(s)	Humans ; DNA/genetics ; MCF-7 Cells ; Diagnostic Imaging ; Gene Silencing ; Biomarkers ; MicroRNAs/genetics ; Biosensing Techniques/methods
Chemical Substances	DNA (9007-49-2) ; Biomarkers ; MicroRNAs
Language	English
Publishing date	2022-11-24
Publishing country	England
Document type	Journal Article
ZDB-ID	1472881-3
ISSN	1364-548X ; 1359-7345 ; 0009-241X
ISSN (online)	1364-548X
ISSN	1359-7345 ; 0009-241X
DOI	10.1039/d2cc05017j
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Article ; Online: Highly Efficient Aggregation-Induced Electrochemiluminescence of Al(III)-Cbatpy Metal-Organic Gels Obtained by Ultrarapid Self-Assembly for a Biosensing Application.

Zhang, Yue / Chen, Yifei / Nie, Yamin / Yang, Zezhou / Yuan, Ruo / Wang, Haijun / Chai, Yaqin

Analytical chemistry

2022 Volume 94, Issue 35, Page(s) 12196–12203

Abstract	Aggregation-induced electrochemiluminescence (AIECL) has attracted extensive interest due to the significant increase in ECL response by restricting free intramolecular rotation and torsion, but traditional AIECL emitters suffer from limited ECL efficiency, high cost, and complex synthetic steps, dramatically limiting their applications. Herein, novel Al(III)-Cbatpy metal-organic gels (Al(III)-Cbatpy-MOGs) with nanofiber morphology and ultrarapid coordination of Al
MeSH term(s)	Biosensing Techniques/methods ; Electrochemical Techniques/methods ; Gels ; Limit of Detection ; Luminescence ; Luminescent Measurements/methods ; Metals
Chemical Substances	Gels ; Metals
Language	English
Publishing date	2022-08-22
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1508-8
ISSN	1520-6882 ; 0003-2700
ISSN (online)	1520-6882
ISSN	0003-2700
DOI	10.1021/acs.analchem.2c02669
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Article ; Online: Construction of an in vivo NIR fluorescent probe for revealing the correlation between inflammation and mitochondrial hydrogen sulfide and viscosity.

Cui, Yali / Hu, Guizhen / Wu, Tian / Yang, Jialu / Nie, Yamin / Zhou, Yanmei

Bioorganic chemistry

2022 Volume 129, Page(s) 106107

Abstract: As an indispensable part of immune response, inflammation plays a critical role in the occurring and advancing of many diseases. It is reported that the emergence of inflammation can be indicated by the change of intracellular viscosity and ... ...

Abstract	As an indispensable part of immune response, inflammation plays a critical role in the occurring and advancing of many diseases. It is reported that the emergence of inflammation can be indicated by the change of intracellular viscosity and overexpression of the hydrogen sulfide (H<sub>2</sub>S) in mitochondria. So far, elucidating the relationship between inflammation and the above parameters remains a challenge due to the lack of validated analytical tools. Herein, a novel dual-function NIR fluorescent probe CMQT with excellent biological compatibility and mitochondrial targeting ability is designed and synthesized by using 7-diethylaminocoumarin and 4-ethylphenolate quinoline acetate through twistable vinyl bonds. With the functional probe, enhanced fluorescent signals at 570 nm and 721 nm are produced in the presence of H<sub>2</sub>S and changes of viscosity. The CMQT can be applied in living cells and zebrafish, which reveals the increases of mitochondrial H<sub>2</sub>S and viscosity generated by inflammatory response through dual-channel fluorescence imaging mode. The in vivo dual-functional probe serves as an efficient tool for imaging analysis of H<sub>2</sub>S and viscosity, and has profound implications for the early diagnosis of inflammatory diseases.
MeSH term(s)	Animals ; Humans ; Fluorescent Dyes/chemistry ; Hydrogen Sulfide/analysis ; Viscosity ; Zebrafish ; Optical Imaging/methods ; Mitochondria/chemistry ; Inflammation/diagnostic imaging ; HeLa Cells
Chemical Substances	Fluorescent Dyes ; Hydrogen Sulfide (YY9FVM7NSN)
Language	English
Publishing date	2022-08-24
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	120080-x
ISSN	1090-2120 ; 0045-2068
ISSN (online)	1090-2120
ISSN	0045-2068
DOI	10.1016/j.bioorg.2022.106107
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Article ; Online: A wild rice CSSL population facilitated identification of salt tolerance genes and rice germplasm innovation.

Xing, Meng / Nie, Yamin / Huang, Jingfen / Li, Yapeng / Zhao, Mingchao / Wang, Shizhuang / Wang, Yanyan / Chen, Wenxi / Chen, Ziyi / Zhang, Lifang / Cheng, Yunlian / Yang, Qingwen / Sun, Jiaqiang / Qiao, Weihua

Physiologia plantarum

2024 Volume 176, Issue 2, Page(s) e14301

Abstract: Salt stress is one of the major factors that limits rice production. Therefore, identification of salt-tolerant alleles from wild rice is important for rice breeding. In this study, we constructed a set of chromosome segment substitution lines (CSSLs) ... ...

Abstract	Salt stress is one of the major factors that limits rice production. Therefore, identification of salt-tolerant alleles from wild rice is important for rice breeding. In this study, we constructed a set of chromosome segment substitution lines (CSSLs) using wild rice as the donor parent and cultivated rice Nipponbare (Nip) as the recurrent parent. Salt tolerance germinability (STG) was evaluated, and its association with genotypes was determined using this CSSL population. We identified 17 QTLs related to STG. By integrating the transcriptome and genome data, four candidate genes were identified, including the previously reported AGO2 and WRKY53. Compared with Nip, wild rice AGO2 has a structure variation in its promoter region and the expression levels were upregulated under salt treatments; wild rice WRKY53 also has natural variation in its promoter region, and the expression levels were downregulated under salt treatments. Wild rice AGO2 and WRKY53 alleles have combined effects for improving salt tolerance at the germination stage. One CSSL line, CSSL118 that harbors these two alleles was selected. Compared with the background parent Nip, CSSL118 showed comprehensive salt tolerance and higher yield, with improved transcript levels of reactive oxygen species scavenging genes. Our results provided promising genes and germplasm resources for future rice salt tolerance breeding.
MeSH term(s)	Oryza/anatomy & histology ; Oryza/genetics ; Oryza/growth & development ; Salt Tolerance/genetics ; Genes, Plant ; Chromosomes, Plant/genetics ; Alleles ; Plant Breeding/methods ; Quantitative Trait Loci/genetics ; Genotype ; Transcriptome ; Genome, Plant/genetics ; Promoter Regions, Genetic ; Gene Expression Regulation, Plant ; Germination ; Plant Shoots ; Plant Roots ; Genotyping Techniques ; Polymorphism, Genetic ; Phenotype
Language	English
Publishing date	2024-04-24
Publishing country	Denmark
Document type	Journal Article
ZDB-ID	2020837-6
ISSN	1399-3054 ; 0031-9317
ISSN (online)	1399-3054
ISSN	0031-9317
DOI	10.1111/ppl.14301
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Article ; Online: Self-Assembly of Gold Nanoclusters into a Metal-Organic Framework with Efficient Electrochemiluminescence and Their Application for Sensitive Detection of Rutin.

Nie, Yamin / Tao, Xiuli / Zhang, Haowen / Chai, Ya-Qin / Yuan, Ruo

Analytical chemistry

2021 Volume 93, Issue 7, Page(s) 3445–3451

Abstract: Ligand-protected gold nanoclusters (Au NCs) are promising electrochemiluminescence (ECL) emitters because of their striking optical properties and excellent biocompatibility, but free vibration and rotation of their ligand result in low ECL efficiency, ... ...

Abstract	Ligand-protected gold nanoclusters (Au NCs) are promising electrochemiluminescence (ECL) emitters because of their striking optical properties and excellent biocompatibility, but free vibration and rotation of their ligand result in low ECL efficiency, dramatically limiting their applications. Herein, using the ligand of Au NCs as one of the building units, a Au NC-based metal-organic framework (Au NC-based MOF) was constructed by the coordination-assisted self-assembly strategy, which not only impedes the ligand rotation-induced energy dissipation but also diminishes the self-quenching effect due to the spatial distribution of Au NCs. As a proof of concept, the prepared GSH-Au NCs@ZIF-8 gives rise to a 10-fold enhanced anodic ECL efficiency compared to that of densely aggregated GSH-Au NCs with triethylamine as the coreactant. Based on high ECL efficiency of GSH-Au NCs@ZIF-8, a "signal off" sensing platform was proposed with rutin as a model analyte, achieving a low detection limit of 10 nM. Therefore, the strategy paves an effective and alternative methodology to enhance ECL efficiency of metal NCs, considerably broadening their potential applications in sensing analysis, clinical diagnosis, and light-emitting devices.
MeSH term(s)	Biosensing Techniques ; Electrochemical Techniques ; Gold ; Luminescent Measurements ; Metal Nanoparticles ; Metal-Organic Frameworks ; Rutin
Chemical Substances	Metal-Organic Frameworks ; Rutin (5G06TVY3R7) ; Gold (7440-57-5)
Language	English
Publishing date	2021-02-11
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1508-8
ISSN	1520-6882 ; 0003-2700
ISSN (online)	1520-6882
ISSN	0003-2700
DOI	10.1021/acs.analchem.0c04682
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