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1,301 Results Found

  • Article
  • Open Access
11 Citations
3,027 Views
10 Pages

30 September 2021

In this study, we presented a wearable sensor patch for the early detection of extravasation by using a simple, direct printing process. Silver nanowire (AgNW) ink was first formulated to provide necessary rheological properties to print patterns on...

  • Article
  • Open Access
23 Citations
3,994 Views
14 Pages

6 September 2022

Glyphosate is one of the most widely used pesticides in the world, but it has been shown to persist in the environment and therefore needs to be detected in food. In this work, the detection of glyphosate by surface-enhanced Raman scattering (SERS) u...

  • Article
  • Open Access
13 Citations
8,290 Views
10 Pages

7 September 2016

As surface plasmon resonance (SPR)-based biosensors are well translated into biological, chemical, environmental, and clinical fields, it is critical to further realize stable and sustainable systems, avoiding oxidation susceptibility of metal films—...

  • Article
  • Open Access
2 Citations
2,018 Views
16 Pages

Lithium Niobate Perovskite as the Support for Silver Nanoparticles for Non-Enzymatic Electrochemical Detection of Glucose

  • Claudia Ivone Piñón-Balderrama,
  • Atenea Manríquez-Tristán,
  • María Cristina Maldonado-Orozco,
  • Claudia Alejandra Hernández-Escobar,
  • Simón Yobanny Reyes-López,
  • León Francisco Espinosa-Cristobal and
  • Erasto Armando Zaragoza-Contreras

Lithium niobate perovskite and silver nanoparticle-based nanocomposites (LNB:AgNPs) were explored for developing an electrochemical glucose sensor. The perovskite to silver nanoparticle ratios investigated were 4:1, 1:1, 1:2, 2:1, and 1:4. Among thes...

  • Article
  • Open Access
10 Citations
8,627 Views
13 Pages

Novel and Facile Colorimetric Detection of Reducing Sugars in Foods via In Situ Formed Gelatin-Capped Silver Nanoparticles

  • Reda M. El-Shishtawy,
  • Yasser M. Al Angari,
  • Maha M. Alotaibi and
  • Yaaser Q. Almulaiky

21 February 2023

The evolution of green technology for the simple and ecological formation of silver nanoparticles (AgNPs) inspired the present work for simple and efficient detection of reducing sugars (RS) in foods. The proposed method relies on gelatin as the capp...

  • Article
  • Open Access
5 Citations
3,122 Views
11 Pages

Ascorbic acid (AA) has been widely used to improve human health since it was first found, such as resisting scurvy, enhancing immunity, and preventing arteriosclerosis. Moreover, it plays a very important role in the anti-oxidation process in the hum...

  • Article
  • Open Access
18 Citations
4,025 Views
12 Pages

Sodium-Alginate-Functionalized Silver Nanoparticles for Colorimetric Detection of Dimethoate

  • Feng-Zuo Zhou,
  • Yung-Hsiang Chang,
  • Cho-Chun Hu and
  • Tai-Chia Chiu

28 November 2022

Sodium alginate (SA) was used to functionalize the surfaces of silver nanoparticles (AgNPs) to form SA-AgNPs for sensing dimethoate with a rapid and sensitive visual readout. UV–Vis spectrophotometry, Fourier transform infrared spectroscopy, tr...

  • Article
  • Open Access
13 Citations
3,102 Views
15 Pages

Flexible Substrate of Cellulose Fiber/Structured Plasmonic Silver Nanoparticles Applied for Label-Free SERS Detection of Malathion

  • Kseniya V. Serebrennikova,
  • Nadezhda S. Komova,
  • Arseniy V. Aybush,
  • Anatoly V. Zherdev and
  • Boris B. Dzantiev

9 February 2023

Surface-enhanced Raman scattering (SERS) is considered an efficient technique providing high sensitivity and fingerprint specificity for the detection of pesticide residues. Recent developments in SERS-based detection aim to create flexible plasmonic...

  • Review
  • Open Access
26 Citations
5,743 Views
17 Pages

A Review of Analytical Techniques for the Determination and Separation of Silver Ions and Its Nanoparticles

  • Miroslav Rievaj,
  • Eva Culková,
  • Damiána Šandorová,
  • Jaroslav Durdiak,
  • Renáta Bellová and
  • Peter Tomčík

3 April 2023

Many articles have already been published dealing with silver ions and its nanoparticles, but mostly from the environmental and toxicological point of view. This article is a review focused on the various analytical techniques and detection platforms...

  • Article
  • Open Access
1 Citations
2,987 Views
15 Pages

SERRS Detection on Silver Nanoparticles Supported on Acid-Treated Melamine-Resin Microspheres

  • Chaofeng Duan,
  • Lu Shen,
  • Yuqing Guo,
  • Xiaogang Wang,
  • Xiaohua Wang and
  • Zhixian Hao

Melamine-resin microspheres were synthesized at a pH of 4.0 for 20 min and used as silver nanoparticle (AgNP) carriers for surface enhanced resonant Raman scattering (SERRS) detection. An acetic acid–treatment reaction was introduced into the fabrica...

  • Article
  • Open Access
1 Citations
3,705 Views
27 Pages

New Detection Method for Fungal Infection in Silver Fir Seeds

  • Piotr Borowik,
  • Marcin Stocki,
  • Maria Fasano,
  • Aleh Marozau,
  • Tadeusz Malewski,
  • Tomasz Oszako,
  • Tom Hsiang,
  • Miłosz Tkaczyk and
  • Rafał Tarakowski

18 March 2022

Silver fir trees have cycles of low and high seed production, and thus it is necessary to collect seeds in high production years to save them for low production years to ensure the continuity of nursery production. Tree seeds can be stored loosely in...

  • Article
  • Open Access
10 Citations
3,807 Views
14 Pages

Silver Nanoparticle-Based Assay for the Detection of Immunoglobulin Free Light Chains

  • Anna Lizoń,
  • Magdalena Wytrwal-Sarna,
  • Marta Gajewska and
  • Ryszard Drożdż

15 September 2019

There is a wide spectrum of malignant diseases that are connected with the clonal proliferation of plasma cells, which cause the production of complete immunoglobulins or their fragments (heavy or light immunoglobulin chains). These proteins may accu...

  • Article
  • Open Access
23 Citations
5,957 Views
21 Pages

Silver Conductive Threads-Based Embroidered Electrodes on Textiles as Moisture Sensors for Fluid Detection in Biomedical Applications

  • Saima Qureshi,
  • Goran M. Stojanović,
  • Mitar Simić,
  • Varun Jeoti,
  • Najeebullah Lashari and
  • Farooq Sher

17 December 2021

Wearable sensors have become part of our daily life for health monitoring. The detection of moisture content is critical for many applications. In the present research, textile-based embroidered sensors were developed that can be integrated with a ba...

  • Article
  • Open Access
3 Citations
1,450 Views
13 Pages

Ultrasensitive Detection of Trace Silver Ions Using MoS42−-Intercalated LDH Nanosheets Enhanced SPR Sensor

  • Linlong Tang,
  • Guilian Lan,
  • Penglei Ma,
  • Yu Jia,
  • Xiaojian Zhang,
  • Peng Luo and
  • Wei Wei

14 September 2024

The widespread use of silver raises concerns about environmental and health risks, necessitating highly sensitive detection methods for trace silver ions (Ag+). Surface plasmon resonance (SPR) sensors offer benefits like label-free detection and rapi...

  • Article
  • Open Access
1,442 Views
12 Pages

31 October 2024

In this study, wettability was employed to evaluate the effect of alkali activation by NaOH on different fly ash (FA) particle sizes. The results indicated that the surface wettability of FA particles with 13.8 μm increased from 0.025 g2/s to 0.03...

  • Article
  • Open Access
8 Citations
3,817 Views
13 Pages

Detection of Silver Nanoparticles in Seawater Using Surface-Enhanced Raman Scattering

  • Monica Quarato,
  • Ivone Pinheiro,
  • Ana Vieira,
  • Begoña Espiña and
  • Laura Rodriguez-Lorenzo

29 June 2021

Nanomaterials significantly contribute to the development of new solutions to improve consumer products properties. Silver nanoparticles (AgNPs) are one of the most used, and as human exposure to such NPs increases, there is a growing need for analyt...

  • Article
  • Open Access
5 Citations
2,041 Views
16 Pages

Colloidal noble metal nanoparticle aggregates have demonstrated significant advantages in surface-enhanced Raman scattering (SERS) analysis, particularly for online detection, due to their excellent optical properties, spatial homogeneity, and fluidi...

  • Letter
  • Open Access
18 Citations
3,534 Views
7 Pages

22 June 2020

Alternariol (AOH) is a mycotoxin from fungi that has been found in processed foods due to its high thermal stability. To address the complexity and costs of conventional AOH detection methods, we propose an alternative based on surface-enhanced Raman...

  • Article
  • Open Access
25 Citations
9,881 Views
14 Pages

19 March 2013

An immobilization protocol was developed to attach receptors on smooth silver thin films. Dense and packed 11-mercaptoundecanoic acid (11-MUA) was used to avoid uncontrolled sulfidization and harmful oxidation of silver nanolayers. N,N'-dicyclohex...

  • Article
  • Open Access
21 Citations
3,156 Views
15 Pages

H-rGO-Pd NPs Nanozyme Enhanced Silver Deposition Strategy for Electrochemical Detection of Glypican-3

  • Guiyin Li,
  • Bo Wang,
  • Ling Li,
  • Xinhao Li,
  • Ruijie Yan,
  • Jintao Liang,
  • Xinchun Zhou,
  • Liuxun Li and
  • Zhide Zhou

28 February 2023

Glypican-3 (GPC3), as an emerging biomarker, has been shown to be beneficial for the early diagnosis and treatment of hepatocellular carcinoma (HCC). In this study, an ultrasensitive electrochemical biosensor for GPC3 detection has been constructed b...

  • Article
  • Open Access
5 Citations
2,832 Views
11 Pages

Silver Thread-Based Microfluidic Platform for Detection of Essential Oils Using Impedance Spectroscopy

  • Tijana Kojic,
  • Bozica Kovacevic,
  • Ankita Sinha,
  • Mitar Simić and
  • Goran M. Stojanović

1 April 2022

Essential oils (EOs) have a long tradition of use in the medical and cosmetic fields based on their versatile properties, including fungicidal, antiparasitic, and bactericidal effects. Nowadays, with the development of industry and electronics, EOs a...

  • Article
  • Open Access
2 Citations
2,475 Views
10 Pages

Conductive Silver/Carbon Fiber Films for Rapid Detection of Human Coronavirus

  • Hwan Gyun Jeon,
  • Ji Wook Choi,
  • Hee Uk Lee and
  • Bong Geun Chung

12 May 2022

Polymerase chain reaction has gained attention since the outbreak of novel coronavirus in 2019. Due to its high specificity and capability for early detection, it is considered a standard method for the diagnosis of infectious diseases. However, the...

  • Article
  • Open Access
850 Views
15 Pages

20 September 2025

Despite the substantial human health risks posed by ochratoxin A (OTA), a potent mycotoxin, simple, low-cost methods for its sensitive and selective detection in foods are lacking. To address this gap, we herein developed a label-free OTA aptasensor...

  • Article
  • Open Access
1 Citations
1,631 Views
15 Pages

Triangular Silver Nanoplates as a Bioanalytical Tool: Potential COVID-19 Detection

  • Laura G. Rodriguez Barroso,
  • Eduardo Lanzagorta Garcia,
  • Marija Mojicevic,
  • Buket Alkan Tas,
  • Miriam Huerta,
  • Robert Pogue,
  • Declan M. Devine and
  • Margaret Brennan-Fournet

Nanotechnology offers new possibilities in molecular diagnostics, with nanoparticles gaining attention as biosensor upgrades. This study evaluates gold-coated silver nanoplates coated with PEG for enhanced protection, aiming to detect Spike protein w...

  • Article
  • Open Access
5 Citations
2,116 Views
10 Pages

In this study, Cu2+ modulated silver nanoclusters were constructed for the turn-on, label-free detection of L-histidine. Six Ag NCs protected by oligonucleotides (DNA-Ag NCs) were tested in a series of experiments. Finally, A-DAN-Ag NCs were chosen a...

  • Article
  • Open Access
15 Citations
3,453 Views
12 Pages

30 June 2022

We report on the use of silver nanodisks (AgNDs), having a diameter of 50 ± 8 nm and a thickness of 8 ± 2 nm, as electrochemical labels for the detection of a model metalloimmunoassay for the heart failure biomarker NT-proBNP. The detec...

  • Article
  • Open Access
1,625 Views
15 Pages

This research introduces a novel synthetic method for introducing highly luminescent silver nanoclusters (AgNCs). The technique relies on coffee Arabica seed extraction (CSE), which is the focus of this study. Our developed and manufactured ecologica...

  • Article
  • Open Access
18 Citations
2,723 Views
20 Pages

The Tunable Parameters of Graphene-Based Biosensors

  • Talia Tene,
  • Jiří Svozilík,
  • Dennys Colcha,
  • Yesenia Cevallos,
  • Paola Gabriela Vinueza-Naranjo,
  • Cristian Vacacela Gomez and
  • Stefano Bellucci

4 August 2024

Graphene-based surface plasmon resonance (SPR) biosensors have emerged as a promising technology for the highly sensitive and accurate detection of biomolecules. This study presents a comprehensive theoretical analysis of graphene-based SPR biosensor...

  • Article
  • Open Access
3 Citations
1,690 Views
12 Pages

As a necessary sulfhydryl amino acid, L-cysteine (L-Cys) maintains many physiological functions in the biological system. However, abnormal L-Cys levels can cause a variety of diseases. In our work, a highly sensitive and selective assay has been dev...

  • Article
  • Open Access
77 Citations
9,825 Views
10 Pages

Silver Nanoparticle Modified Electrode Covered by Graphene Oxide for the Enhanced Electrochemical Detection of Dopamine

  • Jae-Wook Shin,
  • Kyeong-Jun Kim,
  • Jinho Yoon,
  • Jinhee Jo,
  • Waleed Ahmed El-Said and
  • Jeong-Woo Choi

29 November 2017

Several neurological disorders such as Alzheimer’s disease and Parkinson’s disease have become a serious impediment to aging people nowadays. One of the efficient methods used to monitor these neurological disorders is the detection of neurotransmitt...

  • Article
  • Open Access
8 Citations
2,800 Views
13 Pages

It is still challenging to achieve simultaneous and sensitive detection of multiple organophosphorus pesticides (OPs). Herein, we optimized the ssDNA templates for the synthesis of silver nanoclusters (Ag NCs). For the first time, we found that the f...

  • Article
  • Open Access
1,868 Views
10 Pages

24 July 2024

Berberine (BBR), as a natural isoquinoline alkaloid, has demonstrated various pharmacological activities, and is widely applied in the treatment of diseases. The quantitative analysis of BBR is important for pharmacological studies and clinical appli...

  • Article
  • Open Access
1 Citations
581 Views
12 Pages

Silver nanoparticles (AgNPs) are extensively utilized in cosmetics and healthcare products, creating an urgent need for sensitive quantification methods. We report the first application of a metal–organic framework for electrochemical AgNPs sen...

  • Article
  • Open Access
8 Citations
2,641 Views
12 Pages

Nanostructured Layer of Silver for Detection of Small Biomolecules in Surface-Assisted Laser Desorption Ionization Mass Spectrometry

  • Adrian Arendowski,
  • Gulyaim Sagandykova,
  • Radik Mametov,
  • Katarzyna Rafińska,
  • Oleksandra Pryshchepa and
  • Paweł Pomastowski

8 June 2022

A facile approach for the synthesis of a silver nanostructured layer for application in surface-assisted laser desorption/ionization mass spectrometry of low-molecular-weight biomolecules was developed using electrochemical deposition. The deposition...

  • Article
  • Open Access
16 Citations
4,620 Views
15 Pages

Design of an Integrated Microfluidic Paper-Based Chip and Inspection Machine for the Detection of Mercury in Food with Silver Nanoparticles

  • Lung-Ming Fu,
  • Ming-Kuei Shih,
  • Chang-Wei Hsieh,
  • Wei-Jhong Ju,
  • You-Lin Tain,
  • Kuan-Chen Cheng,
  • Jia-Hong Hsu,
  • Yu-Wei Chen and
  • Chih-Yao Hou

30 November 2021

For most of the fast screening test papers for detecting Hg2+, the obtained results are qualitative. This study developed an operation for the μPAD and combined it with the chemical colorimetric method. Silver nanoparticle (AgNP) colloids were adopte...

  • Article
  • Open Access
12 Citations
4,439 Views
14 Pages

8 January 2024

Surface-enhanced Raman spectroscopy (SERS) has been introduced to detect pesticides at low concentrations and in complex matrices to help developing countries monitor pesticides to keep their concentrations at safe levels in food and the environment....

  • Article
  • Open Access
17 Citations
5,700 Views
17 Pages

Gold vs. Silver Colloidal Nanoparticle Films for Optimized SERS Detection of Propranolol and Electrochemical-SERS Analyses

  • Cristina M. Muntean,
  • Denisa Cuibus,
  • Sanda Boca,
  • Alexandra Falamas,
  • Nicoleta Tosa,
  • Ioana Andreea Brezeştean,
  • Attila Bende,
  • Lucian Barbu-Tudoran,
  • Rebeca Moldovan and
  • Cosmin Farcǎu
  • + 1 author

The increasing pollution of surface and groundwater bodies by pharmaceuticals is a general environmental problem requiring routine monitoring. Conventional analytical techniques used to quantify traces of pharmaceuticals are relatively expensive and...

  • Article
  • Open Access
12 Citations
3,037 Views
15 Pages

10 March 2024

A new, simple, and effective one-step reduction method was applied to prepare a nanocomposite with spherical polycrystalline silver nanoparticles attached to the surface of reduced graphene oxide (Ag@rGO) at room temperature. Equipment such as X-ray...

  • Article
  • Open Access
14 Citations
2,521 Views
13 Pages

Role of Silver Nanoparticle-Doped 2-Aminodiphenylamine Polymeric Material in the Detection of Dopamine (DA) with Uric Acid Interference

  • Harjot Kaur,
  • Karamveer Sheoran,
  • Samarjeet Singh Siwal,
  • Reena V. Saini,
  • Adesh Kumar Saini,
  • Walaa F. Alsanie and
  • Vijay Kumar Thakur

10 February 2022

A viable electrochemical approach for the detection of dopamine (DA) in uric acid (UA) utilizing a silver nanoparticle-doped 2-aminodiphenylamine (AgNPs-2ADPA) electrode was invented. The electrochemical performance of DA showed that the incorporated...

  • Article
  • Open Access
23 Citations
3,542 Views
24 Pages

Graphene Oxide/Silver Nanoparticles Platforms for the Detection and Discrimination of Native and Fibrillar Lysozyme: A Combined QCM and SERS Approach

  • Vania Tramonti,
  • Cristiana Lofrumento,
  • Maria Raffaella Martina,
  • Giacomo Lucchesi and
  • Gabriella Caminati

10 February 2022

We propose a sensing platform based on graphene oxide/silver nanoparticles arrays (GO/AgNPs) for the detection and discrimination of the native and toxic fibrillar forms of an amyloid-prone protein, lysozyme, by means of a combination of Quartz Cryst...

  • Article
  • Open Access
3 Citations
1,914 Views
16 Pages

L-Cysteine/Silver Nitrate/Iodate Anions System: Peculiarities of Supramolecular Gel Formation with and Without Visible-Light Exposure

  • Dmitry V. Vishnevetskii,
  • Elizaveta E. Polyakova,
  • Yana V. Andrianova,
  • Arif R. Mekhtiev,
  • Alexandra I. Ivanova,
  • Dmitry V. Averkin,
  • Vladimir G. Alekseev,
  • Alexey V. Bykov and
  • Mikhail G. Sulman

9 December 2024

In this study, novel anion photo-responsive supramolecular hydrogels based on cysteine–silver sol (CSS) and iodate anions (IO3−) were prepared. The peculiarities of the self-assembly process of gel formation in the dark and under visible-...

  • Article
  • Open Access
16 Citations
3,920 Views
13 Pages

19 January 2022

Molecularly imprinted polymers (MIPs) specifically targeting pentachloronitrobenzene (PCNB) and containing silver nanoparticles have been prepared by free radical polymerization reaction using methyl methacrylate (MMA) as a functional monomer, PCNB a...

  • Article
  • Open Access
1,037 Views
16 Pages

Borohydride Synthesis of Silver Nanoparticles for SERS Platforms: Indirect Glucose Detection and Analysis Using Gradient Boosting

  • Viktoriia Bakal,
  • Olga Gusliakova,
  • Anastasia Kartashova,
  • Mariia Saveleva,
  • Polina Demina,
  • Ilya Kozhevnikov,
  • Evgenii Ryabov,
  • Daniil Bratashov and
  • Ekaterina Prikhozhdenko

3 July 2025

In recent years, non-invasive methods for the analysis of biological fluids have attracted growing interest. In this study, we propose a straightforward approach to fabricating silver nanoparticle (AgNP)-coated non-woven polyacrylonitrile substrates...

  • Article
  • Open Access
3 Citations
2,094 Views
11 Pages

30 January 2023

In this paper, silver nanoparticles (AgNPs) were successfully green-synthesized for the first time using Hedysarum polysaccharide (HPS) as a reducing agent, stabilizer, and modifier (HPS-AgNP). Thiamazole could induce the aggregation of HPS-AgNPs in...

  • Article
  • Open Access
44 Citations
4,529 Views
12 Pages

A Label-Free Fluorescent Aptasensor for Detection of Staphylococcal Enterotoxin A Based on Aptamer-Functionalized Silver Nanoclusters

  • Xueyan Zhang,
  • Imran Mahmood Khan,
  • Hua Ji,
  • Zhouping Wang,
  • Huili Tian,
  • Wenbo Cao and
  • Weiyu Mi

7 January 2020

Staphylococcal enterotoxin A (SEA) is a worldwide public health problem accounting for the majority of food poisoning which is produced by Staphylococcus aureus, threatening human health and leading to various foodborne diseases. Therefore, it is of...

  • Article
  • Open Access
5 Citations
2,653 Views
16 Pages

Development of Online Tool Wear-Out Detection System Using Silver–Polyester Thick Film Sensor for Low-Duty Cycle Machining Operations

  • Jegadeeshwaran Rakkiyannan,
  • Lakshmipathi Jakkamputi,
  • Mohanraj Thangamuthu,
  • Abhishek D. Patange and
  • Sakthivel Gnanasekaran

26 October 2022

This paper deals with the design and development of a silver–polyester thick film sensor and associated system for the wear-out detection of single-point cutting tools for low-duty cycle machining operations. Conventional means of wear-out dete...

  • Article
  • Open Access
15 Citations
3,341 Views
10 Pages

1 October 2021

The purpose of this study was to develop a flexible substrate methylcellulose-decorated silver nanoparticles (MC/Ag NPs) film and explore its application in fruits and vegetables by surface enhanced Raman spectroscopy (SERS) technology for rapid dete...

  • Article
  • Open Access
5 Citations
4,177 Views
13 Pages

Wearable Electrochemical Glove-Based Analytical Device (eGAD) for the Detection of Methamphetamine Employing Silver Nanoparticles

  • Nigar Anzar,
  • Shariq Suleman,
  • Yashda Singh,
  • Suhel Parvez,
  • Manika Khanuja,
  • Roberto Pilloton and
  • Jagriti Narang

18 October 2023

Illicit drug misuse has become a widespread issue that requires continuous drug monitoring and diagnosis. Wearable electrochemical drug detection devices possess the potential to function as potent screening instruments in the possession of law enfor...

  • Article
  • Open Access
48 Citations
5,380 Views
12 Pages

14 April 2020

Negatively charged lipopolysaccharide (LPS), a major endotoxin and component of the outer membrane of several Gram-negative bacteria, provides a useful biomarker for the indirect detection of these pathogens. For instance, Escherichia coli (E. coli)...

  • Article
  • Open Access
5 Citations
2,961 Views
11 Pages

29 August 2022

The abnormal metabolism or imbalance of dopamine may lead to some neurological disorders. Therefore, the facile and fast detection of this neurotransmitter is essential in the early diagnosis of some diseases. One of the methods that can be used for...

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