Results 21 to 30 of about 48,863 (286)

The Surface Enhanced Raman Scattering Analysis for Carbonaceous Coating by Using Au Nano-Particles

Tribology Online, 2020
In general, Raman analysis is one of the useful candidates to obtain structure of carbonaceous coatings. To improve the depth resolution of Raman analysis, surface-enhanced Raman Scattering (SERS) using gold nanoparticles (Au nanoparticles: AuNPs) and Au
Takayuki Tokoroyama, Motoyuki Murashima, Noritsugu Umehara   +2 more
doaj   +1 more source

Cancer-selective, single agent chemoradiosensitising gold nanoparticles [PDF]

, 2017
Two nanometre gold nanoparticles (AuNPs), bearing sugar moieties and/or thiol-polyethylene glycol-amine (PEG-amine), were synthesised and evaluated for their in vitro toxicity and ability to radiosensitise cells with 220 kV and 6 MV X-rays, using four ...
A Chompoosor, A Irure, A Pottier, AK Collins, Aquila Sharif, BD Chithrani, C Alric, C Zhu, C-J Liu, C-J Liu, CM Beddoes, D Kwatra, F Geng, F Xiao, GT Schaaff, H Hau, H Qian, HK Patra, I Fratoddi, J V Jokerst, JF Hainfeld, JF Hainfeld, JL Kelts, Jon P. Golding, K Haume, K Khoshgard, K Lee, Konstantina Tzelepi, KT Butterworth, L Sancey, M Gilles, M Luchette, Małgorzata A. Śmiałek, Meike Roskamp, MJ Hostetler, Nicky Whilde, Nigel J. Mason, P Chhour, P Page, Peter Goldie, Phil Williams, R Gromnicova, R Hong, RI Berbeco, Richard Slade-Carter, S Jain, SJ McMahon, SJ McMahon, Sophie Grellet, T Lund, WN Rahman, X Zhang, X-D Zhang, Y Manevich, Ying-Jan Wang   +54 more
core   +3 more sources

pH Dependence on Colorimetric Detection of Hg²⁺ by Histidine-Functionalized Gold Nanoparticles

Indonesian Journal of Chemistry, 2020
In this study, we successfully developed gold nanoparticles capped with histidine (His-AuNPs) for Hg2+ detection using trisodium citrate as the reducing agent. The optimum pH for the detection of Hg2+ by His-AuNPs was 12.
Dewi Eviane, Dwi Siswanta, Sri Juari Santosa   +2 more
doaj   +1 more source

Non-invasive aerosol delivery and transport of gold nanoparticles to the brain [PDF]

, 2017
Targeted delivery of nanoscale carriers containing packaged payloads to the central nervous system has potential use in many diagnostic and therapeutic applications. Moreover, understanding of the bio-interactions of the engineered nanoparticles used for
Biswas, Pratim, Chadha, Tandeep S, Raliya, Ramesh, Raman, Baranidharan, Saha, Debajit   +4 more
core   +2 more sources

Metal-Based Nanoparticles as Antimicrobial Agents: An Overview

Nanomaterials, 2020
Metal-based nanoparticles have been extensively investigated for a set of biomedical applications. According to the World Health Organization, in addition to their reduced size and selectivity for bacteria, metal-based nanoparticles have also proved to ...
Elena Sánchez-López, Daniela Gomes, Gerard Esteruelas, Lorena Bonilla, Ana Laura Lopez-Machado, Ruth Galindo, Amanda Cano, Marta Espina, Miren Ettcheto, Antoni Camins, Amélia M. Silva, Alessandra Durazzo, Antonello Santini, Maria L. Garcia, Eliana B. Souto   +14 more
doaj   +1 more source

Current perspective on theranostic gold nanoparticles: Synthesis and biomedical applications [PDF]

Nanomedicine Journal, 2023
As one of the most well-known metal nanoparticles, gold nanoparticles (AuNPs) have attracted much attention for the biological applications. This great interest in AuNPs can be attributed to their outstanding physical and chemical properties, such as ...
Mohammad Ali Farzin, Hassan Abdoos, Reza Saber   +2 more
doaj   +1 more source

Controlling the Decoration of the Reduced Graphene Oxide Surface with Pyrene-Functionalized Gold Nanoparticles [PDF]

, 2017
We exploited a non‐covalent approach based on π‐stacking interactions to address the formation of hybrids between pyrene‐functionalized gold nanoparticles (PyAuNPs) and reduced graphene oxide (RGO), in which the former are distributed homogeneously on
Abdolhosseinzadeh, Balandin, Brunetti, Canesi, Daniel, Elghanian, Ferrari, Glaeske, Holmlin, Ismaili, Jasuja, Katz, Lee, Li, Liu, Lu, Manea, Modugno, Nair, Novoselov, Park, Perez, Perrone, Qiu, Rani, Rodrigo, Sahoo, Salice, Setaro, Su, Vilian, Wang, Wick, Xia, Yeh, Yin, Zhang, Zhao, Zhao, Zhao, Zoladek   +40 more
core   +2 more sources

Synthesis of ultra-small gold nanoparticles by polyphenol extracted from Salvia officinalis and efficiency for catalytic reduction of p-nitrophenol and methylene blue

Green Chemistry Letters and Reviews, 2020
The present research work reports an eco-friendly route for preparing gold nanoparticles (AuNPs) with high catalytic activity using polyphenol extracted from salvia officinalis. In both alkaline (pH ∼ 11) and acidic media (pH ∼ 5), the polyphenol induced
Mohamed Habib Oueslati, Lotfi Ben Tahar, Abdel Halim Harrath   +2 more
doaj   +1 more source

Point-of-care detection of Escherichia coli O157:H7 in water using AuNPs-based aptasensor [PDF]

Iranian Journal of Basic Medical Sciences, 2020
Objective(s): Access to safe drinking and irrigation water has always been one of the major human concerns worldwide. Thus, rapid, sensitive, and inexpensive approaches for pathogenic bacteria detection, such as Escherichia coli O157:H7 (EHEC) that can ...
Vahid Soheili, Seyed Mohammad Taghdisi, Khalil Abnous, Mohsen Ebrahimi   +3 more
doaj   +1 more source

Green synthesised AuNps using Ajuga Bracteosa extract and AuNps-Free supernatant exhibited equivalent antibacterial and anticancerous efficacies

PLOS ONE, 2023
The current study is designed to synthesize gold nanoparticles using Ajuga bracteosa extract, which is a highly known medicinal herb found in the northern Himalayas. The synthesized gold nanoparticles were initially characterized by UV-Vis spectrophotometer, SEM, FTIR, pXRD, and, GC-MS. Antibacterial efficacy of A.
Sadaf Azad Raja, Saiqa Andleeb, Aneela Javed, Sana Sabahat, Fahed Parvaiz, Hafsah Mureed, Sohaib Ahmad, Falak Naz   +7 more
openaire   +2 more sources