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1. A novel label-free universal biosensing platform based on CRISPR/Cas12a for biomarker detection

Author:
Xiaomei Mu; Xin Wang; Yuxin Qin; Yong Huang; Jianniao Tian; Shulin Zhao
Source:
Talanta 2023 v.251 pp. 123795
ISSN:
0039-9140
Subject:
nanosilver,   etc   ; DNA; biomarkers; biosensors; disease surveillance; enzyme activity; fluorescence; hydrolysis; microRNA;     Show all 9 Subjects
Abstract:
... The development of a biosensing platform with high sensitivity, high specificity, and low cost for the detection of biomarkers, especially one that is programmable and universal, is critical for disease surveillance and diagnosis, yet it remains a difficulty. Herein, we combined the clustered regularly interspaced short palindromic repeats (CRISPR)/Cas system with a fluorescent label-free biosenso ...
DOI:
10.1016/j.talanta.2022.123795

2. Embedding of conductive Ag nanoparticles among honeycomb-like NiMn layered double hydroxide nanosheet arrays for ultra-high performance flexible supercapacitors

Author:
Hucheng Fu; Aitang Zhang; Hanwen Zong; Fuhao Jin; Hanwen Guo; Jingquan Liu
Source:
Journal of colloid and interface science 2023 v.629 pp. 938-949
ISSN:
0021-9797
Subject:
nanosilver,   etc   ; capacitance; carbon; carbon dioxide; cathodes; electrical conductivity; electrochemical capacitors; electrochemistry; energy density; microstructure; nanosheets;     Show all 11 Subjects
Abstract:
... Layered double hydroxides are considered promising electrode materials for the preparation of high-energy–density supercapacitors owing to their suitable microstructure and significant electrochemical properties. In this study, honeycomb-like NiMn-layered double-hydroxide (NiMn-LDH) nanosheet arrays with numerous electron/ion channels, a large number of active sites, considerable redox reversibili ...
DOI:
10.1016/j.jcis.2022.08.175

3. A self-assembly hydrophobic oCDs/Ag nanoparticles SERS sensor for ultrasensitive melamine detection in milk

Author:
Jiaoyan Qiu; Yujin Chu; Qihang He; Yingkuan Han; Yu Zhang; Lin Han
Source:
Food chemistry 2023 v.402 pp. 134241
ISSN:
0308-8146
Subject:
nanosilver,   etc   ; air; carbon; carbonization; chlorides; food chemistry; food safety; glass; hydrophobicity; medicine; melamine; milk; models; rhodamines; stabilizers;     Show all 15 Subjects
Abstract:
... A simple, ultra-sensitive, and super-stable hydrophobic SERS platform for detection of melamine in milk is developed. The hydrophobic SERS platform was constructed via directly growing hydrophobic carbon/silver nanoparticles on glass by in-situ one-step carbonization using hexadecylpyridinium chloride monohydrate as stabilizer and reducing agent. The performances of SERS platform are systematicall ...
DOI:
10.1016/j.foodchem.2022.134241

4. Rapid and stable detection of three main mycotoxins in rice using SERS optimized AgNPs@K30 coupled multivariate calibration

Author:
Peihuan He; Md Mehedi Hassan; Wenjing Yang; Zhaoxia Shi; Xinyu Zhou; Yi Xu; Qin Ouyang; Quansheng Chen
Source:
Food chemistry 2023 v.398 pp. 133883
ISSN:
0308-8146
Subject:
nanosilver,   etc   ; aflatoxin B1; calibration; chemometrics; detection limit; food chemistry; food safety; human health; ochratoxin A; ochratoxin B; rice;     Show all 11 Subjects
Abstract:
... Food safety is regarded as a crucial factor in both human health and economic progress. This study focuses on the fabrication of a label-free surface-enhanced Raman scattering (SERS) sensor for rapid sensing of three main mycotoxins (aflatoxin B1 (AFB1), ochratoxin A (OTA), ochratoxin B (OTB)) in rice using the optimized rough silver nanoparticles (AgNPs@K30) with enhancement factor (EF) 1.58 × 10 ...
DOI:
10.1016/j.foodchem.2022.133883

5. Molecular toxicity and defense mechanisms induced by silver nanoparticles in Drosophila melanogaster

Author:
Zhidi Wang; Liying Zhang; Xing Wang
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 616-629
ISSN:
1001-0742
Subject:
nanosilver,   etc   ; DNA damage; Drosophila melanogaster; cell viability; dose response; eclosion; fat body; fecundity; genes; hemocytes; metallothionein; pupation; sequence analysis; toxicity; China;     Show all 15 Subjects
Abstract:
... The widely use of silver nanoparticles (AgNPs) as antimicrobial agents gives rise to potential environmental risks. AgNPs exposure have been reported to cause toxicity in animals. Nevertheless, the known mechanisms of AgNPs toxicity are still limited. In this study, we systematically investigated the toxicity of AgNPs exposure using Drosophila melanogaster. We show here that AgNPs significantly de ...
DOI:
10.1016/j.jes.2021.12.027

6. Influence of biosynthesized nanoparticles exposure on mortality, residual deposition, and intestinal bacterial dysbiosis in Cyprinus carpio

Author:
Mian Adnan Kakakhel; Nadia Bibi; Heba H. Mahboub; Fasi Wu; Wasim Sajjad; Syed Zaheer Ud Din; Ahmed A. Hefny; Wanfu Wang
Source:
Comparative biochemistry and physiology 2023 v.263 pp. 109473
ISSN:
1532-0456
Subject:
nanosilver,   etc   ; Bacteroidetes; Cyprinus carpio; Planctomycetes; Tenericutes; animal growth; bacterial communities; bioaccumulation; biosynthesis; blood; dysbiosis; freshwater fish; homeostasis; intestines; liver; mortality; multidimensional scaling; nanoparticles; toxicity;     Show all 19 Subjects
Abstract:
... Nanotechnology has revealed profound possibilities for the applications in applied sciences. The nanotechnology works based on nanoparticles. Among nanoparticles, silver nanoparticles largely introduced into aquatic environments during fabrication. Which cause severe contamination in the environment specially in freshwater fish. Therefore, the current study was a pioneer attempt to use the animal ...
DOI:
10.1016/j.cbpc.2022.109473

7. A review on the toxicity of silver nanoparticles against different biosystems

Author:
Ramachandran Rajan; PeiPei Huo; Krishnaraj Chandran; Balakumaran Manickam Dakshinamoorthi; Soon-Il Yun; Bo Liu
Source:
Chemosphere 2022 v.292 pp. 133397
ISSN:
0045-6535
Subject:
nanosilver,   etc   ; rats; toxicity;     Show all 3 Subjects
Abstract:
... Despite significant progress made in the past two decades, silver nanoparticles (AgNPs) have not yet made it to the clinical trials. In addition, they showed both positive and negative effects in their toxicity from unicellular organism to well-developed multi-organ system, for example, rat. Although it is generally accepted that capped (bio)molecules have synergistic bioactivities and diminish th ...
DOI:
10.1016/j.chemosphere.2021.133397

8. Bacterial Resistance to Nanosilver: Molecular Mechanisms and Possible Ways to Overcome them

Author:
Yu. A. Krutyakov; A. G. Khina
Source:
Applied biochemistry and microbiology 2022 v.58 no.5 pp. 493-506
ISSN:
0003-6838
Subject:
nanosilver,   etc   ; biochemistry; microbiology; nanoparticles; silver;     Show all 5 Subjects
Abstract:
... This review contains the results of experimental studies of recent years dedicated to the resistance of bacteria to the action of nanosized silver and describes the putative molecular mechanisms of its development. Emphasis is placed on the study of works devoted to the investigation of the mechanisms of the resistance of bacteria to silver ions, which are the main factor of the bactericidal actio ...
DOI:
10.1134/S0003683822050106

9. Construction of two-dimensional Ag/WS2 hybrid membranes with self-cleaning ability by photocatalysis for efficient water filtration

Author:
Shao-Chun Wu; Peng Cheng; Jiao-Jiao Han; Yan Chen; Xi Yan; Xiao-Jing Guo; Wan-Zhong Lang
Source:
Journal of membrane science 2022 v.641 pp. 119865
ISSN:
0376-7388
Subject:
nanosilver,   etc   ; dyes; filtration; photocatalysis; photolysis;     Show all 5 Subjects
Abstract:
... Two-dimensional Ag/WS₂ hybrid membranes were developed to improve separation performance of WS₂ membrane by in situ self-reduction of AgNO₃ on WS₂ nanoflakes. With the increase of Ag content in Ag/WS₂ hybrid membrane, water flux increased as well because of increased interlayer spacing and more irregular stacking of WS₂ nanoflakes, while the rejection rates for dye molecules decreased. The hybrid ...
DOI:
10.1016/j.memsci.2021.119865

10. Enhanced uranium photoreduction on Ti3C2Tx MXene by modulation of surface functional groups and deposition of plasmonic metal nanoparticles

Author:
Kaifu Yu; Pengyan Jiang; Jiacheng Wei; Haibo Yuan; Yue Xin; Rong He; Liangbing Wang; Wenkun Zhu
Source:
Journal of hazardous materials 2022 v.426 pp. 127823
ISSN:
0304-3894
Subject:
nanosilver,   etc   ; photocatalysis; photocatalysts; photoreduction; uranium;     Show all 5 Subjects
Abstract:
... Photocatalytic reduction of soluble hexavalent uranium (U(VI)) is a novel and efficient avenue to enriching U(VI), where the free U(VI) is firstly bound on the surface of photocatalysts and then reduced to insoluble tetravalent uranium (U(IV)) by photoelectrons. Therefore, constructing the efficient U(VI) binding sites on photocatalysts is an efficient strategy to boost catalytic activity toward U ...
DOI:
10.1016/j.jhazmat.2021.127823

11. Tunable Properties of Polydopamine Nanoparticles and Coated Surfaces

Author:
Scott S. Ruppel; Junfeng Liang
Source:
Langmuir 2022 v.38 no.16 pp. 5020-5029
ISSN:
1520-5827
Subject:
nanosilver,   etc   ; borax; catechol; dopamine; polymerization;     Show all 5 Subjects
Abstract:
... Polydopamine (PDA) nanoparticles and PDA-coated surfaces have wide applications due to PDA’s unique reactivity and efficient coating ability on nearly any surface. However, challenges in manipulating and controlling dopamine polymerization and thus the PDA nanoparticle formations and surface coatings still exist. Here, dopamine with a tetraborate (borax)-protected catechol group was utilized to tu ...
DOI:
10.1021/acs.langmuir.2c00719

12. Effects of rice root exudates on aggregation, dissolution and bioaccumulation of differently-charged Ag nanoparticles

Author:
Jiajia Yang; Hongyu Duan; Xiya Wang; Huan Zhang; Zhifeng Zhang
Source:
RSC advances 2022 v.12 no.15 pp. 9435-9444
ISSN:
2046-2069
Subject:
nanosilver,   etc   ; bioaccumulation; rice; risk; silver; toxicity;     Show all 6 Subjects
Abstract:
... The biological toxicity and eco-environmental risk of metal nanoparticles (MNPs) is closely related to their stability. The stability of MNPs not only depends on their own properties but also on the effects of biological and environmental factors. To better understand the interaction between biological factors and MNPs in aquatic environments, the effects of total rice root exudates (T-RRE) on the ...
DOI:
10.1039/d2ra00229a

13. Evaluation of nano-silver concentrations using multi-media fate and transport models with different spatial resolutions

Author:
Yu-Pei Gao; Xin-Yuan Li; Wen-Jing Wei; Peng Huang; Li Li; Qiang Wang
Source:
Environmental science 2022 v.24 no.5 pp. 754-761
ISSN:
2050-7895
Subject:
nanosilver,   etc   ; environmental exposure; environmental science; rivers;     Show all 4 Subjects
Abstract:
... Due to the complexity of the environmental matrix and the limitation of the detection level, it is important to use models to evaluate environmental exposure to nanomaterials. Based on this, this research established two multi-media fate and transport models of silver nanoparticles (AgNPs) with respective coarse and fine spatial resolutions. Using the case of the spatial distribution of AgNPs in t ...
DOI:
10.1039/d1em00555c

14. H2S sensing under various humidity conditions with Ag nanoparticle functionalized Ti3C2Tx MXene field-effect transistors

Author:
Qikun Xu; Boyang Zong; Qiuju Li; Xian Fang; Shun Mao; Kostya (Ken) Ostrikov
Source:
Journal of hazardous materials 2022 v.424 pp. 127492
ISSN:
0304-3894
Subject:
nanosilver,   etc   ; ambient temperature; relative humidity; transistors;     Show all 4 Subjects
Abstract:
... Despite the critical need to monitor H₂S, a hazardous gas, in environmental and medical settings, there are currently no reliable methods for rapid and sufficiently discriminative H₂S detection in real-world humid environments. Herein, targeted hybridizing of Ti₃C₂Tₓ MXene with Ag nanoparticles on a field-effect transistor (FET) platform has led to a step change in MXene sensing performance down t ...
DOI:
10.1016/j.jhazmat.2021.127492

15. Human Skin-Inspired Electrospun Patterned Robust Strain-Insensitive Pressure Sensors and Wearable Flexible Light-Emitting Diodes

Author:
Loganathan Veeramuthu; Chia-Jung Cho; Fang-Cheng Liang; Manikandan Venkatesan; Ranjith Kumar G; Hua-Yi Hsu; Ren-Jei Chung; Chen-Hung Lee; Wen-Ya Lee; Chi-Ching Kuo
Source:
ACS applied materials & interfaces 2022 v.14 no.26 pp. 30160-30173
ISSN:
1944-8252
Subject:
nanosilver,   etc   ; crystallization; energy; humans; luminescence; nanofibers;     Show all 6 Subjects
Abstract:
... Wearable skin-inspired electronic skins present remarkable outgrowth in recent years because their promising comfort device integration, lightweight, and mechanically robust durable characteristics led to significant progresses in wearable sensors and optoelectronics. Wearable electronic devices demand real-time applicability and factors such as complex fabrication steps, manufacturing cost, and r ...
DOI:
10.1021/acsami.2c04916

16. Silver nanoparticles decorated meta-aramid nanofibrous membrane with advantageous properties for high-performance flexible pressure sensor

Author:
Yiqian Guo; Qirong Tian; Tao Wang; Sheng Wang; Xia He; Lvlv Ji
Source:
Journal of colloid and interface science 2023 v.629 pp. 535-545
ISSN:
0021-9797
Subject:
nanosilver,   etc   ; durability; humans; insulating materials; nanofibers;     Show all 5 Subjects
Abstract:
... Flexible pressure sensors have received tremendous attention for various wearable applications. However, it remains a critical challenge to develop a flexible pressure sensor with excellent sensitivity performances and multiple advantageous properties. Herein, a high-performance flexible piezoresistive pressure sensor PMIA@PDA@Ag was developed, which sensitive component is consisted of Ag nanopart ...
DOI:
10.1016/j.jcis.2022.09.096

17. Broad-Band-Enhanced Plasmonic Perovskite Solar Cells with Irregular Silver Nanomaterials

Author:
Yinghao Wu; Xufei Sun; Shijie Dai; Ming Li; Lingling Zheng; Qiuling Wen; Bo Tang; Da-Qin Yun; Lixin Xiao
Source:
ACS applied materials & interfaces 2022 v.14 no.14 pp. 16269-16278
ISSN:
1944-8252
Subject:
nanosilver,   etc   ; absorption; electron transfer; surface plasmon resonance;     Show all 4 Subjects
Abstract:
... The localized surface plasmon resonance (LSPR) from noble metal nanomaterials (NMs) is a promising solution to approach the theoretical efficiency for photovoltaic devices. However, the plasmon resonance of metal NMs with particular shapes and sizes can only be excited within narrow spectral ranges, which can hardly cover the broad-band solar spectrum. To address this issue, in this article, Ag NM ...
DOI:
10.1021/acsami.2c01759

18. Changed pattern of SERS hotspots by Ag nanoparticle growth under magnetic field for biomarker detection

Author:
Yongjun Zhang; Xiaoyu Zhao; Qi Zhu; Mingyu Cheng; Wei Xu; Yaxin Wang; Aonan Zhu; Renxian Gao; Jian Zhang; Xiaolong Zhang
Source:
Journal of materials science 2022 v.57 no.13 pp. 6943-6952
ISSN:
0022-2461
Subject:
nanosilver,   etc   ; biomarkers; early diagnosis; hepatoma; magnetic fields;     Show all 5 Subjects
Abstract:
... As an important marker of Hepatocellular carcinoma (HCC), AFP-L3 has attracted attention. In this study, the surface-plasmon-assisted Ag nanoparticles symmetrical growth technology under magnetic field is used to fabricate the six-nanohole nanojar array containing Ag nanoparticles as the sensing substrate. The displacement of SERS signal of the optimized structure is used to detect HCC marker AFP- ...
DOI:
10.1007/s10853-022-07026-w

19. Determination of Sizes of Silver Nanoparticles in an Aqueous Dispersions by Single Particle Inductively Coupled Plasma Mass Spectrometry

Author:
Z. A. Temerdashev; O. A. Galitskaya; M. A. Bol’shov; K. A. Romanovskii
Source:
Journal of analytical chemistry 2022 v.77 no.1 pp. 53-65
ISSN:
1061-9348
Subject:
nanosilver,   etc   ; analytical chemistry; atomic absorption spectrometry; spectrometers;     Show all 4 Subjects
Abstract:
... Specific features of the choice of conditions for determining the sizes of silver nanoparticles in aqueous dispersions by single particle inductively coupled plasma mass spectrometry (SP-ICP-MS) are discussed. It is shown that the limiting factors for determining the sizes of analyte nanoparticles are the degree of sample dilution and the dwell time under optimized operating conditions of the mass ...
DOI:
10.1134/S1061934822010130

20. Neutrally charged nanosilver antimicrobial effects: A surface thermodynamic perspective

Author:
Yudi Wu; Clayton J. Clark; Chen Lin; Gang Chen
Source:
Colloids and surfaces 2022 v.212 pp. 112390
ISSN:
0927-7765
Subject:
nanosilver,   etc   ; antimicrobial properties; silver; surface area; thermodynamics;     Show all 5 Subjects
Abstract:
... Nanosilver (AgNP) has a large surface area that contributes to enhanced interactions with bacteria, as well as silver ion release. The actual AgNP antimicrobial effect is determined by the AgNP size. AgNPs with smaller diameters showed better antimicrobial effects because smaller AgNPs had larger surface areas, which led to greater silver ion release and stronger attachment to bacteria. The attach ...
DOI:
10.1016/j.colsurfb.2022.112390