New colloidal solutions of gold nanoparticles (AuNP), using castor oil as a nontoxic organic dispersant agent, were prepared via three different methods. In all three cases, tetrachloroauric(III) acid was employed as the gold source. The colloids were characterized by UV-Vis spectroscopy and transmission electron microscopy (TEM). The AuNP produced by the three methods were quasispherical in shape, however with different average sizes. The individual characteristics of the nanoparticles presented in each colloidal system were also confirmed by observation of absorption maxima at different wavelengths of visible light. Each method of synthesis leads to colloids with different grades of stability with respect to particle agglomeration.

E. C. da Silva

M. G. A. da Silva

S. M. P. Meneghetti

G. Machado

M. A. R. C. Alencar

J. M. Hickmann

M. R. Meneghetti

Journal of Nanoparticle Research

《纳米粒子研究杂志》的目标是传播有关结构中物理、化学和生物现象和过程的知识，这些结构具有至少一个从分子到大约 100 纳米（或在某些情况下为亚微米）的长度尺度，并表现出改进的和新颖的纳米粒子研究是纳米科学、纳米工程和纳米技术的关键组成部分。该杂志的重点是与粒子、管、层、大分子相关的具体概念、性质、现象和过程，簇和其他纳米级尺寸范围的有限结构。考虑了此类结构的合成、组装、运输、反应性和稳定性。用于表征纳米粒子及其界面的原位和非原位仪器的开发应基于在纳米尺度上尚未很好理解的探测性质和现象的新原理。建模和模拟可能包括基于原子的量子力学；分子动力学；基于单粒子、多体和连续体的模型；分形;适用于模拟粒子合成、组装和交互过程的其他方法。强调了通过前驱体纳米粒子获得的具有新功能的系统、结构和器件的实现和应用。方法可能包括基于气体、液体、固体和真空的工艺、尺寸减小、化学和生物自组装。贡献包括利用纳米粒子系统增强现象或过程和粒子组装成分层结构，以及药物的配方和给药。鼓励源自不同学科和技术的协同方法，以及该领域的研究提供者和用户之间的互动。

The Journal of Nanoparticle Research aims to disseminate knowledge about the physical, chemical, and biological phenomena and processes associated with structures that have at least one dimension ranging from molecules to approximately 100 nanometers (or, in some cases, submicron). Novel nanoparticle research is a key component of nanoscience, nanoengineering, and nanotechnology. This journal focuses on specific concepts, properties, phenomena, and processes related to particles, tubes, layers, and macromolecules, as well as finite structures in the nanoscale range, including clusters. We consider the synthesis, assembly, transport, reactivity, and stability of such structures. The development of in situ and ex situ instruments for characterizing nanoparticles and their interfaces should be based on new principles for detecting properties and phenomena that are not yet well understood at the nanoscale. Modeling and simulation may include atomic-based quantum mechanics, molecular dynamics, single-particle, many-body, and continuum models, fractals, and other methods suitable for simulating particle synthesis, assembly, and interaction processes. We emphasize the realization and application of systems, structures, and devices with new functionalities obtained from precursor nanoparticles. Methods may include processes based on gases, liquids, solids, and vacuum, size reduction, and chemical and biological self-assembly. We encourage collaborative approaches from different disciplines and technologies, as well as interactions between researchers and users in this field.

《Journal of Nanoparticle Research》的目标是传播关于物理、化学和生物现象及过程的知识，这些现象和过程涉及的结构具有至少一个从分子到约100纳米（在某些情况下为亚微米）的长度尺度。新颖的纳米粒子研究是纳米科学、纳米工程和纳米技术的重要组成部分。该杂志重点关注与粒子、管、层和大分子相关的具体概念、性质、现象和过程，涉及簇和其他纳米级尺寸范围的有限结构。我们考虑这些结构的合成、组装、运输、反应性和稳定性。用于表征纳米粒子及其界面的原位和非原位仪器的开发应基于在纳米尺度上尚未很好理解的探测性质和现象的新原理。建模和模拟可能包括基于原子的量子力学、分子动力学、基于单粒子、多体和连续体的模型、分形，以及其他适用于模拟粒子合成、组装和交互过程的方法。我们强调通过前驱体纳米粒子获得的新功能系统、结构和器件的实现与应用。方法可能包括基于气体、液体、固体和真空的工艺、尺寸减小、化学和生物自组装。我们鼓励来自不同学科和技术的协同方法，以及该领域研究提供者与用户之间的互动。

Category	Quartile
材料科学	4
材料科学, 化学综合	4
材料科学, 材料科学综合	4
材料科学, 纳米科技	4

Synthesis of colloids based on gold nanoparticles dispersed in castor oil

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Journal Info

Category	Quartile
NANOSCIENCE & NANOTECHNOLOGY	3