Arrays of Triangular Au Nanoparticles with Self-Cleaning Capacity for High-Sensitivity Surface-Enhanced Raman Scattering DOI
Junnan Wang, Zeyu Wang, Jindou Shi

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(6), P. 5841 - 5852

Published: March 1, 2024

In the realm of surface-enhanced Raman scattering (SERS) research, precise detection and effective cleansing substances are critical. This study introduces a novel Au nanotriangle/Cs2AgBiBr6 (Au NT/CABB) SERS array, synthesized through meticulous two-step process, which demonstrates remarkable effectiveness. Using Rhodamine 6G (R6G) as probe molecule, this substrate accurately detects target molecules achieves an exceptional threshold 1 × 10–13 M. The integration CABB into endows it with photocatalytic properties, thereby accelerating degradation adsorbed signaling significantly enhancing reusability NT/CABB arrays. Furthermore, arrays exhibit outstanding performance methylene blue (MB) MB&R6G mixed solutions, distinguishing between two signal high fidelity. Additionally, enhancement mechanism array is analyzed by finite-difference time-domain (FDTD) simulation energy band structure. These findings highlight substrate's dual capability in leveraging both electromagnetic chemical mechanisms for superior performance, complemented integrated self-cleaning feature, making promising candidate environmental applications.

Language: Английский

Trends in Aptasensing and the Enhancement of Diagnostic Efficiency and Accuracy DOI
Mohammad A. Ansari, Damini Verma,

Mohd-Akmal Hamizan

et al.

ACS Synthetic Biology, Journal Year: 2025, Volume and Issue: 14(1), P. 21 - 40

Published: Jan. 6, 2025

The field of healthcare diagnostics is navigating complex challenges driven by evolving patient demographics and the rapid advancement new technologies worldwide. In response to these challenges, biosensors offer distinctive advantages over traditional diagnostic methods, such as cost-effectiveness, enhanced specificity, adaptability, making their integration with point-of-care (POC) platforms more feasible. recent years, aptasensors have significantly evolved in capabilities through emerging microfluidics, Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) systems, wearable devices, machine learning (ML), driving progress precision medicine global solutions. Moreover, advancements not only improve accuracy but also hold potential revolutionize early detection, reduce costs, outcomes, especially resource-limited settings. This Account examines key advancements, focusing on how scientific breakthroughs, including artificial intelligence (AI), improved sensitivity precision. Additionally, has enabled real-time monitoring data analysis, fostering advances personalized healthcare. Furthermore, commercialization aptasensor could increase availability clinical settings support use widespread solutions for health challenges. Hence, this review discusses technological improvements, practical uses, prospects while surrounding standardization, validation, interdisciplinary collaboration application. Finally, ongoing efforts address are ensure that can be effectively implemented diverse systems.

Language: Английский

Citations

1

Liquid biopsy technologies: innovations and future directions in breast cancer biomarker detection DOI

L. Cao,

Qiaohong Duan,

Zixin Zhu

et al.

Biomedical Microdevices, Journal Year: 2025, Volume and Issue: 27(1)

Published: Jan. 24, 2025

Language: Английский

Citations

1

Improved surface-enhanced Raman scattering detection of miRNA employing polyhedral gold plasmonic nanoparticles in conjunction with DNA cascade amplification strategy DOI

Yufei Zang,

Xu Yang, Lin Zhao

et al.

Sensors and Actuators B Chemical, Journal Year: 2025, Volume and Issue: unknown, P. 137320 - 137320

Published: Jan. 1, 2025

Language: Английский

Citations

1

Recent Advances in Aptamer-Based Microfluidic Biosensors for the Isolation, Signal Amplification and Detection of Exosomes DOI Creative Commons
Jessica Hu, Dan Gao

Sensors, Journal Year: 2025, Volume and Issue: 25(3), P. 848 - 848

Published: Jan. 30, 2025

Exosomes carry diverse tumor-associated molecular information that can reflect real-time tumor progression, making them a promising tool for liquid biopsy. However, traditional methods exosome isolation and detection often rely on large, expensive equipment are time-consuming, limiting their practical applicability in clinical settings. Microfluidic technology offers versatile platform analysis, with advantages such as seamless integration, portability reduced sample volumes. Aptamers, which single-stranded oligonucleotides high affinity specificity target molecules, have been frequently employed the development of aptamer-based microfluidics isolation, signal amplification, quantitative exosomes. This review summarizes recent advances microfluidic strategies including (1) on-chip capture mediated by aptamers combined nanomaterials or nanointerfaces; (2) amplification techniques, enzyme-free hybridization chain reaction (HCR), rolling circle (RCA), DNA machine-assisted amplification; (3) various aptamer-assisted methods, fluorescence, electrochemistry, surface-enhanced Raman scattering (SERS), magnetism. The limitations these also summarized. Finally, future challenges directions analysis exosomes based discussed.

Language: Английский

Citations

1

Advancements in cancer diagnostics: integrating surface-enhanced Raman spectroscopy and microptofluidics for precision and versatility DOI Creative Commons
Markand Patel, Pola Goldberg Oppenheimer

Applied Spectroscopy Reviews, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 44

Published: Feb. 20, 2025

Language: Английский

Citations

1

Aptamers Targeting Membrane Proteins for Sensor and Diagnostic Applications DOI Creative Commons
N. Kara, Nooraldeen Ayoub, Hüseyin İlgü

et al.

Molecules, Journal Year: 2023, Volume and Issue: 28(9), P. 3728 - 3728

Published: April 26, 2023

Many biological processes (physiological or pathological) are relevant to membrane proteins (MPs), which account for almost 30% of the total human proteins. As such, MPs can serve as predictive molecular biomarkers disease diagnosis and prognosis. Indeed, cell surface an important class attractive targets currently prescribed therapeutic drugs diagnostic molecules used in detection. The oligonucleotides known aptamers be selected against a particular target with high affinity selectivity by iterative rounds vitro library evolution, Systematic Evolution Ligands EXponential Enrichment (SELEX). alternative antibodies, offer unique features like thermal stability, low-cost, reuse, ease chemical modification, compatibility various detection techniques. Particularly, immobilized-aptamer sensing platforms have been under investigation diagnostics demonstrated significant value compared other analytical These “aptasensors” classified into several types based on their working principle, commonly electrochemical, optical, mass-sensitive. In this review, we review studies aptamer-based MP-sensing technologies applications included new methodological variations undertaken recent years.

Language: Английский

Citations

20

Aptamer-based biosensing detection for exosomes: From selection to aptasensors DOI

Liting Zheng,

Ge Yang, Muhammad Irfan

et al.

TrAC Trends in Analytical Chemistry, Journal Year: 2023, Volume and Issue: 170, P. 117422 - 117422

Published: Nov. 10, 2023

Language: Английский

Citations

18

A Comprehensive Review on Electrochemical Nano Biosensors for Precise Detection of Blood-Based Oncomarkers in Breast Cancer DOI Creative Commons
Mahdi Sadeghi, Somayeh Sadeghi, Seyed Morteza Naghib

et al.

Biosensors, Journal Year: 2023, Volume and Issue: 13(4), P. 481 - 481

Published: April 16, 2023

Breast cancer (BC), one of the most common and life-threatening cancers, has highest incidence rate among women. Early diagnosis BC oncomarkers is considered effective strategy for detecting treating BC. Finding type stage in women as soon possible greatest ways to stop its negative effects on medical treatment. The development biosensors early, sensitive, selective detection recently attracted much attention. An electrochemical nano biosensor (EN) a very suitable option powerful tool diagnosis. This comprehensive review provides information about prevalence pathobiology BC, recent advances clinically available oncomarkers, point-of-care (POC) various using nanomaterial-based signal amplification techniques.

Language: Английский

Citations

17

Advances of surface-enhanced Raman spectroscopy in exosomal biomarkers analysis DOI
Hongsheng Tan, Tong Wang,

He-Nan Sun

et al.

TrAC Trends in Analytical Chemistry, Journal Year: 2023, Volume and Issue: 167, P. 117253 - 117253

Published: Aug. 23, 2023

Language: Английский

Citations

17

Specific isolation and quantification of PD-L1 positive tumor derived exosomes for accurate breast cancer discrimination via aptamer-functionalized magnetic composites and SERS immunoassay DOI

Ning Su,

Jin Zhang,

Wei Liu

et al.

Talanta, Journal Year: 2024, Volume and Issue: 281, P. 126956 - 126956

Published: Sept. 25, 2024

Language: Английский

Citations

7