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A microextraction method for spectrophotometric determination of gold using benzalkonium chloride Gold Bull. (IF 2.2) Pub Date : 2024-02-14 Zekeriyya Bahadır
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Characterization of L-cysteine methyl ester hydrochloride–stabilized gold nanoparticles Gold Bull. (IF 2.2) Pub Date : 2024-02-01 Ana Aguilera-Juárez, Luis Hernández-Adame, Miguel Ángel Ruíz-Gómez, Elizabeth Monreal Escalante, Martha Reyes-Becerril, Sergio Rosales-Mendoza, Héctor G. Silva Pereyra, Carlos Angulo
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A convergent fabrication of 1-aminopyridine-capped gold nanomaterials and reduced graphene oxide nanocomposites for ovarian cancer cells Gold Bull. (IF 2.2) Pub Date : 2023-11-27 Wei Luan, Meiyun Zheng, Youlin Yang, Yi Chen, Xiahui Zhang, Lingping Zhu, Chenxiao Lin
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High power impulse magnetron sputtering (HiPIMS) prepared ultrathin gold film for plasmonic biosensor application Gold Bull. (IF 2.2) Pub Date : 2023-11-09 Sheng-Yang Huang, Ping-Yen Hsieh, Chi-Jen Chung, Chia-Man Chou, Ju-Liang He
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Efficacy of Au versus Au–Pd nanoparticles towards synthesis of spirooxindoles via multicomponent reaction Gold Bull. (IF 2.2) Pub Date : 2023-10-04 Shivanee Borpatra Gohain, Abdul Latif Ahmed, Ashim Jyoti Thakur
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18 Karat yellow gold single-tracks manufactured by Laser Powder Bed Fusion (LPBF): 1 064 nm and 515 nm laser comparison Gold Bull. (IF 2.2) Pub Date : 2023-09-29 Aymeric Domine, Lucas Dembinski, Ludovic Vitu, Nouredine Fenineche
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Microbial-mediated synthesis of gold nanoparticles—current insights and future vistas Gold Bull. (IF 2.2) Pub Date : 2023-09-19 Muhammad Nadeem, Laiba Pervez, Ameer Muhammad Khan, Rachel A. Burton, Sana Ullah, Akhtar Nadhman, Jonathan Celli
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Drug release properties of amphoteric HES/p(AETAC-co-IA) hydrogels decorated with gold nanoparticles Gold Bull. (IF 2.2) Pub Date : 2023-09-16 Merve Ilkiner, Ozgur Ozay
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Excited-state gold catalyzed activation of inert C–Cl bonds Gold Bull. (IF 2.2) Pub Date : 2023-09-04 Xiaopeng Wu, Yibin Sun, Chen Mingqi, Yeli Fan
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Separation of Au(III) from hydrochloric acid solutions containing Pd(II), Cu(II) and Ni(II) by solvent extraction with a mixture of Cyanex 272 and TBP Gold Bull. (IF 2.2) Pub Date : 2023-09-02 Thi Nhan Hau Nguyen, Si Joeng Song, Man Seung Lee
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Gold nanoparticle-based drug nanocarriers as a targeted drug delivery system platform for cancer therapeutics: a systematic review Gold Bull. (IF 2.2) Pub Date : 2023-08-03 A’liyatur Rosyidah, Supavadee Kerdtoob, Wecka Imam Yudhistyra, Asef Wildan Munfadlila
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Correction to: Gold nanoparticles with amyloid-β reduce neurocell cytotoxicity for the treatment and care of Alzheimer’s disease therapy Gold Bull. (IF 2.2) Pub Date : 2023-07-24 Qing Hong, Xinchun Jin, Chenheng Zhou, Jiahui Shao
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Gold nanoparticles with amyloid-β reduce neurocell cytotoxicity for the treatment and care of Alzheimer’s disease therapy Gold Bull. (IF 2.2) Pub Date : 2023-07-02 Qing Hong, Xinchun Jin, Chenheng Zhou, Jiahui Shao
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Electrochemical sensing based on Au particle@SiO2@CQDs nanocomposites Gold Bull. (IF 2.2) Pub Date : 2023-06-29 Huiqin Li, Lihua Wu, Hui Lei, Cui Deng, Fan Huang, Lijun Ren, Hongge Zhang, Weiwei Zhao, Qian Zhao
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Fabrication of nanofibrous vinyl brushes of clay minerals as an active support for gold nanoparticles for catalytic reduction Gold Bull. (IF 2.2) Pub Date : 2023-06-23 Talha Baig, Shaista Taimur, Afza Shahid
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Detection of Pseudomonas aeruginosa and Acinetobacter baumannii genomic DNA using gold nanoprobes Gold Bull. (IF 2.2) Pub Date : 2023-04-24 Marjan Bagherinajafabad, Hassan Bardania, Elham Moazamian, Seyed Sajjad Khoramrooz
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Control of protein density on nanoparticles for SERS-based immunoassays Gold Bull. (IF 2.2) Pub Date : 2023-01-30 Francis Nsiah, Mark T. McDermott
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Gold nanoparticles prepared with the aid of deep eutectic solvent and used as substrates for surface-enhanced Raman scattering Gold Bull. (IF 2.2) Pub Date : 2023-01-17 Tao Wang, Qian Liu, Minshan Shi, Rong Chang, Jun Tang, Yalan He, Dongling Wu
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Effect of ionic strength on the interaction of AuNPs with calf spleen DNA Gold Bull. (IF 2.2) Pub Date : 2022-12-22 Monira M. Rageh, M. H. Gaber, Samar M. Mostafa
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Pesticide detection optimization of plasmonics gold nanoparticles/silicon nano-columns structures by controlling the coupling lasers power density Gold Bull. (IF 2.2) Pub Date : 2022-12-20 Doaa Sulaiman, Alwan M. Alwan, Walid K. Hamoudi
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Evaluation of penicillin residues in milk by ELISA using aptamer bonded to gold nanoparticles Gold Bull. (IF 2.2) Pub Date : 2022-08-09 Hossein Toghyani Dolatabadi, Mahdieh Izadi, Ali Mohammad Tamaddon
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Post-synthesis heating, a key step to tune the LPR band of gold nanorods covered with CTAB or embedded in a silica shell Gold Bull. (IF 2.2) Pub Date : 2022-08-08 Angela Candreva, Francesco Parisi, Giuseppe Di Maio, Francesca Scarpelli, Iolinda Aiello, Nicolas Godbert, Massimo La Deda
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Enantioselective redox gold catalysis Gold Bull. (IF 2.2) Pub Date : 2022-08-04 Chetan C. Chintawar, Nitin T. Patil
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Aurocyanide adsorption onto granular activated carbon impregnated with SDS anionic surfactant Gold Bull. (IF 2.2) Pub Date : 2022-06-25 C. Vargas, P. Navarro, E. Mejía, P. Hernández
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Characterization of breast cancer antibody (anti-HER-II) conjugated on PEGylated gold nanourchin for active targeting Gold Bull. (IF 2.2) Pub Date : 2022-06-02 Mohammad E. Khosroshahi, Yesha Patel, Roxana Chabok
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Gold nanocluster triggering near-infrared photocatalytic oxidations Gold Bull. (IF 2.2) Pub Date : 2022-04-27 Man-Bo Li
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Phytoremediation ability of Helichrysum arenarium plant for Au and Ag: case study at Demirören village (Gümüşhane, Turkey) Gold Bull. (IF 2.2) Pub Date : 2022-04-12 Alaaddin Vural, Semaneh Safari
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Obituary for Masatake Haruta (1947–2022) Gold Bull. (IF 2.2) Pub Date : 2022-03-19 Toru Murayama,Tamao Ishida
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Assessment of microRNA-21 using gold nanoparticle-DNA conjugates based on colorimetric and fluorescent detection Gold Bull. (IF 2.2) Pub Date : 2022-03-15 Nasrin Zare, Razieh Ghasemi, Laleh Rafiee, Shaghayegh Haghjooy Javanmard
The miR-21 detection is essential for the accurate and early diagnosis or prognosis of most diseases. In the current study, the miR-21 detection method was performed based on the exploitation of the simple colorimetric biosensor due to the unique surface plasmon resonance (SPR) absorption of gold nanoparticles. AuNPs were functionalized with the specific DNA probes on the gold surface by Au-SH bond
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Formation of gold hollow spheres by rapid heating–cooling process Gold Bull. (IF 2.2) Pub Date : 2022-03-08 Lin Zhang, Jianjun Zhang, Quan Zheng, Ying Xu, Xinli Kou, Tao Li
Although gold hollow spheres show unique advantages in fields like catalysis, the available synthesis strategies have low atom and economic efficiency. In this paper, Au hollow spheres were produced by combining simple wet chemical method and rapid heating–cooling process, in which rapid temperature rise caused Au evaporation and rapid cooling froze gold “bubbles.” The control experiments confirmed
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Development of gold, silver, and iron nanoparticles using isolated berberine: its characterization and antimicrobial and cytotoxic activities against COLO320DM and Hela cells Gold Bull. (IF 2.2) Pub Date : 2022-02-18 Mangesh A. Bhutkar, Dheeraj S. Randive, Somnath D. Bhinge, Ganesh H. Wadkar, Sachin S. Todkar, Kiran P. Shejawal
The current report discloses the development of gold, silver, and iron nanoparticles using berberine by green synthesis and its evaluation for antimicrobial activity and in vitro cytotoxicity against colon cancer and human cervical cancer cells. The prepared nanoparticles were characterized by Fourier transform infrared (FT-IR) spectroscopy, scanning electron microscopy (SEM), transmission electron
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Comparison of polyampholyte derivative of chitosan with bisphthalimides of low molecular weight in the green synthesis of Au nanoparticles Gold Bull. (IF 2.2) Pub Date : 2022-02-15 Martín Caldera Villalobos, Miguel Ángel García Castro, Jesús García Serrano, Ana M. Herrera González
This work reports the chemical modification of chitosan with phthalimide moieties and the synthesis of two bisphthalimides (BPIs) with low molecular weight useful in the green synthesis of Au nanoparticles. The polyampholyte derivative of chitosan was obtained in water while the two BPIs, N,N´-(1,3-phenylene)bis(phthalimide-5-carboxylic acid) (BPI-1) and N,N´-(1,4-phenylene)bis(phthalimide-5-carboxylic
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Synergic effect of paclitaxel and cisplatin associated with gold nanoparticles on HeLa cervical cells Gold Bull. (IF 2.2) Pub Date : 2022-01-22 Maria Laura Rodrigues Uggioni, Paulo Emilio Feuser, Jonathann Corrêa Possato, Maria Eduarda de Melo, Ellen De Pieri, Rodrigo Cercena, Alexandre Gonçalves Dal Bó, Maria Inês da Rosa, Ricardo Andrez Machado-de-Ávila
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Organo-gold(III) complexes via mechanochemistry in a ball mill Gold Bull. (IF 2.2) Pub Date : 2022-01-21 Chao Hu
Owing to their highly interesting applications in medicine, catalysis, and their luminescence properties, over the past decade, increasing efforts have been devoted to the synthesis of organo-gold(III) complexes. Therefore, the design of mild, practical, and modular protocols for their synthesis is a highly active field of research. In a recent paper in Angewandte Chemie, Hashmi and co-workers developed
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Effect of plasmonic coupling in different assembly of gold nanorods studied by FDTD Gold Bull. (IF 2.2) Pub Date : 2022-01-16 Sahu, Aditya K., Raj, Satyabrata
The influence of the orientation of gold nanorods in different assemblies has been investigated using the finite difference time domain (FDTD) simulation method. To understand the relative orientation, we vary the size and angle in dimer geometries. Significant effects of plasmon coupling emerged in longitudinal resonances having end-to-end configurations of gold nanorods. The effect of orientational
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The potential of marine-based gold nanomaterials in cancer therapy: a mini-review Gold Bull. (IF 2.2) Pub Date : 2022-01-14 Baghban, Neda, Khoradmehr, Arezoo, Nabipour, Iraj, Tamadon, Amin, Ullah, Mujib
Cancer is still one of the most common causes of death today despite advances in its detection and treatment. The present article reviews the application of marine-based gold nanoparticles in the diagnosis and treatment of cancer. The main data were collected from original research articles on the application of different marine-based gold nanoparticles in detecting and imaging cancer cells as well
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The effect of chitosan-modified gold nanoparticles in Lemna valdiviana and Daphnia pulex Gold Bull. (IF 2.2) Pub Date : 2022-01-13 Abrica-González, Paulina, Zumelzu, E., Nimptsch, Jorge, Balderas-López, José Abraham, Muñoz-Diosdado, Alejandro, Moreno-Villoslada, Ignacio, Flores, Mario E.
Gold nanoparticles (AuNPs) are nowadays used in many areas of science, particularly in medicine as drug release and gene carriers. The extensive use of these materials makes imperative the study of their effects on the environment after their disposal, that mostly affects the aquatic media. The present work explores the bioaccumulation and toxicity of chitosan-functionalized and non-functionalized
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Fibers covered with 3D interconnected network of Au nanostructures and their application in SERS detection Gold Bull. (IF 2.2) Pub Date : 2022-01-04 Wang, Cuiping, Zhang, Huan, Wang, Chunrong
A simple template-free method was developed for the fabrication of fibers whose surfaces were covered by a three-dimensional interconnected network of Au nanostructures (3D-NW AuNSs) without additional stabilizer. The EDS and XPS measurements confirmed the metallic nature of the formed 3D gold nanowire networks on the fiber surface. The morphology of these 3D-NW AuNSs can be controlled by the experimental
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Gold carbene complexes and beyond: new avenues in gold(I)-carbon coordination chemistry Gold Bull. (IF 2.2) Pub Date : 2022-01-03 Mulks, Florian F.
The different coordination modes in carbon-gold(I) complexes are spotlighted with a focus on gold(I). The emergence of gold carbene complexes and their critical discussion in the community is presented, and an overview of their bonding fundamentals and synthetic procedures is given. Several intriguing and sometimes highly reactive gold-carbon coordination complexes that were recently synthesised and
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Study on the growth kinetics of Au nanorods based on local surface plasmon resonance Gold Bull. (IF 2.2) Pub Date : 2021-10-29 Meng, Liqing, Li, Zongxiao, Deng, Yousheng
Gold nanorods are of great significance in biomedical and sensing applications due to their local surface plasmon resonance absorption. The silver-mediated seeding method was used to prepare gold nanorods, the longitudinal local surface plasmon resonance (LSPR) absorption of the prepared gold nanorods was monitored, and the growth kinetics of the gold nanorods were discussed. The results show that
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The age hardenability of 22 karat gold (Au-5.8wt.%Cu-2.5wt.%Ag) alloyed with titanium Gold Bull. (IF 2.2) Pub Date : 2021-10-27 Saradesh, K. M., Ravi, K. R., Vinodkumar, G. S.
The age hardenability of 22 karat gold (Au-5.8wt.%Cu-2.5wt.%Ag) alloyed with Ti at various concentrations (0.5, 0.75, and 1 wt.%) was studied. The addition level of Ti is compensated with Ag to maintain the purity of gold in 22 karat, i.e., 91.75 wt.%. The Ti containing 22 karat gold was prepared by melting Au, Cu, and Ag and adding Ti via Au-6wt.%Ti master alloy. The castings obtained were cold-rolled
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Do LBMA gold price follow random-walk? Gold Bull. (IF 2.2) Pub Date : 2021-09-15 Bhuyan, Biswabhusan, Patra, Subhamitra, Bhuian, Ranjan Kumar
The present study attempted to analyse the random-walk characteristics of the gold spot price of the London Bullion Market Association (LBMA) by using several linear and nonlinear models. The research collects two decades of daily data from 3rd February 2000 to 2nd October 2020. Econometric tests such as serial correlation test, unit-root tests, multiple variance ratio (MVR), and the BDS test were
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Anglo-Saxon bling — a warrior king’s Golden Helmet Gold Bull. (IF 2.2) Pub Date : 2021-06-11 Frank Cooper
In 2009, a metal detectorist discovered a hoard of Anglo-Saxon gold and silver in a field in Staffordshire. Hence, it quickly became known as ‘The Staffordshire Hoard’. It was, and remains, the biggest collection of Anglo-Saxon gold (4 kg) and silver (1.7 kg) ever discovered and comprised of more than 4000 fragments that equated to over 600 discrete objects and larger pieces. The Staffordshire Hoard
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Size-dependent optical and electrochemical properties of gold nanoparticles to L-cysteine Gold Bull. (IF 2.2) Pub Date : 2021-04-28 Pengfei Cao, Nan Wang, Duo Chen, Shengjun Sun, Houyi Ma, Meng Lin
A series of gold nanoparticles were synthesized by stepwise growth method under the condition of citrate as a reducing agent and stabilizer. The optical properties with the maximum absorption wavelength (λmax) and electrochemical properties of the oxidation potential (Ep) dependence on the particle size were analyzed. The method of calculating the particle size from the UV-visible spectrum and the
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Synthesis, characterization, and in vitro drug release properties of AuNPs/p(AETAC-co-VI)/Q nanocomposite hydrogels Gold Bull. (IF 2.2) Pub Date : 2021-04-14 Seçil Durmuş, Betul Yilmaz, Mehmet Rıza Kıvanç, Alper Onder, Pinar Ilgin, Hava Ozay, Ozgur Ozay
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The facile synthesis of aerogel-like alumina highly-loaded with gold nanoparticles Gold Bull. (IF 2.2) Pub Date : 2021-03-01 N. S. Nesterov, A. S. Shalygin, T. S. Glazneva, V. P. Pakharukova, O. N. Martyanov
A facile approach is proposed for the stabilization of gold nanoparticles within alumina matrix based on fast coprecipitation of colloidal gold and alumina sol in the supercritical carbon dioxide used as antisolvent. Acetylacetone was used as a stabilizer agent for the synthesis of alumina sol. Gold nanoparticles were synthesized from HAuCl4 directly in liquid alumina sol in reaction with acetylacetone
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Potential application of gold nanoparticles in food packaging: a mini review Gold Bull. (IF 2.2) Pub Date : 2021-02-20 Saeed Paidari, Salam Adnan Ibrahim
In the past few decades, there have been remarkable advances in our knowledge of gold nanoparticles (AuNPs) and synthesizing methods. AuNPs have become increasingly important in biomedical and industrial applications. As a newly implemented method, AuNPs are being used in nanopackaging industries for their therapeutic and antibacterial characteristics as well as their inert and nontoxic nature. As
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Preparation of Au nanorods @B-SiO 2 Gold Bull. (IF 2.2) Pub Date : 2021-02-20 Liqing Meng, Huiqin Li
Herein, a simple method for etching Aunanorods@SiO2 surface to obtain Aunanorods@B-SiO2 material is reported, which is used for the theoretical study of drug loading and release of composite materials by microcalorimetry. In the presence of surfactant cetyltrime-thylammonium bromide (CTAB), the Aunanorods@SiO2 is etched under the strong acid environment with pH of about 2 to obtain the ideal material
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QM study of interaction between arginine amino acid and Au clusters and the effects on arginine acidity Gold Bull. (IF 2.2) Pub Date : 2021-01-22 Mina Ghiasi, Shadi Bavafa, Mansour Zahedi
Understanding the various structures of gold clusters and the interaction modes between Au clusters and biomolecules is an important issue in material science such as biosensors and catalysts. The binding of small gold clusters (Aunn = 2–5) with neutral and anionic forms of arginine (Arg) amino acid is investigated in this study using density functional theory (DFT) and B3LYP level. The relative stability
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Gold nanorods crosslinking PNIPAM hydrogels via dynamic Au-thiolate interaction with stretchable, adhesive, self-healing, and photothermal properties Gold Bull. (IF 2.2) Pub Date : 2021-01-22 Shijun Lin, Sirui Jiang, Yuchen Zhang, Zhengwei Dai, Yu Dai, Fan Xia, Xiaojin Zhang
Gold nanorod (AuNR) nanocomposite hydrogels have attracted increasing attention due to the photothermal effect of AuNRs. However, a facile strategy that avoids multi-step surface modification for synthesis of AuNR crosslinkers is still a critical challenge. Here, AuNRs crosslinking PNIPAM hydrogels were prepared by polymerization of NIPAM with N , N ′-bis(acryloyl)cystamine (BACA)-modified AuNRs as
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Synthesis of gold nanoparticles in aqueous solutions not containing additional interfering components using sulfite method: the effect of thiol-containing acid additives Gold Bull. (IF 2.2) Pub Date : 2021-01-15 Igor V. Mironov, Viktoria Yu. Kharlamova
Stable solutions of gold nanoparticles with an average diameter of 13 nm and C Au = 5×10 –4 M were obtained by the reduction of HAuCl 4 with an equivalent amount of sodium sulfite at 80–100 °C in the presence of 2% PEG 6000 as a stabilizer: AuCl 4 – + 3/2 SO 3 2– + 3/2 H 2 O → Au 0 + 3/2 SO 4 2– + 3 H + + 4 Cl – . The resulting solutions of nanoparticles do not contain additional components capable
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Non-enzymatic colorimetric sensor for cardiac Troponin I (cTnI) based on self-assembly of gold nanorods on heparin Gold Bull. (IF 2.2) Pub Date : 2021-01-12 Vidya Raj, Saji Alex
The paper reports a simple enzyme-free colorimetric sensor for the detection of cardiac marker, Troponin I (cTnI) based on the self-assembly of gold nanorods (AuNRs) on heparin. The sensing system consists of a purple colour solution of Hexadecyltrimethylammonium bromide (CTAB) stabilised AuNRs self-assembled in presence of heparin due to the electrostatic interaction resulting in the reduction of
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Conjugated anisotropic gold nanoparticles through pterin derivatives for a selective plasmonic photothermal therapy: in vitro studies in HeLa and normal human endocervical cells Gold Bull. (IF 2.2) Pub Date : 2021-01-06 Diana Blach, Carlos E. Alves De Souza, Stelia C. Méndez, Fernando O. Martínez
This article reports a simple one-step method for anisotropic gold nanoparticle synthesis for plasmonic photothermal therapy medical purposes, using 1,4-bis[(2-ethylhexyl) oxy]-1,4-dioxo-2-butanesulfonic acid-sodium (AOT) reverse micelles as nanoreactor, where under specific condition, AOT acts as both a reducing and stabilizing agent. Obtained AuNPs were functionalized by attaching compounds derived
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Gold’s red shift: colorimetry of multiple reflections in grooves Gold Bull. (IF 2.2) Pub Date : 2020-11-18 Arnaud Manas
The color of fine gold shows paradoxical variations that have tentatively been explained by metallurgic factors. Measurements and digital photographs show a significantly redder color than predicted by theory. A novel purely optical explanation based on the multiple reflection in grooves is suggested. The analysis in the colorimetric space RGB of the photographs of several fine gold samples and coins
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Gold nanorods as colorimetric probes for naked-eye recognition of carnitine enantiomers Gold Bull. (IF 2.2) Pub Date : 2020-11-10 Yanwei Wang, Xiaojuan Zhou, Qiang Liu, Yan Jin, Chunli Xu, Baoxin Li
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Photocurrent enhancement estimation of P3HT:PCBM:Au films as a function of gold nanoparticles concentration Gold Bull. (IF 2.2) Pub Date : 2020-10-13 D. Canto-Reyes, R. A. Soberanis-Ortiz, I. Riech, J. A. Mendez-Gamboa, M. Acosta
This report provides a method to estimate how much the photocurrents can be increased by adding gold nanoparticles in P3HT:PCBM films, without having to carry out the complex process of fabricate a whole cell. The tuning effect of varying the gold nanoparticle concentration on optical properties of these films was analyzed by measuring optical absorption. To estimate the contribution of the optical
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Novel synthesis of polycationic gold nanoparticles and their potential for microbial optical sensing Gold Bull. (IF 2.2) Pub Date : 2020-10-12 Ravichandran Manisekaran, Edgar Jiménez-Cervantes Amieva, Carlos M. Valdemar-Aguilar, Luz M. López-Marín
The aim of this research was to describe a facile protocol to obtain biocompatible gold nanoparticles (AuNPs) suitable for microbial optical sensing. For this purpose, polycationic poly-L-lysine (PLL) was employed as both reducing and stabilizing agent in order to obtain an optically active microbial nanotag based on the electrostatic interaction with negatively charged cell envelopes. A one-pot procedure
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Correction to: The effect of ultrasound hyperthermia with gold nanoparticles on retinoblastoma Y79 cells Gold Bull. (IF 2.2) Pub Date : 2020-06-04 Somayeh Moradi, Manijhe Mokhtari-Dizaji, Fariba Ghassemi, Shahab Sheibani, Fahimeh Asadi Amoli
The publication of this article unfortunately contained a mistake.