The aim of the open access Photoacoustics journal (PACS) is to publish original research and review contributions within the fast growing field of photoacoustics (optoacoustics) and thermoacoustics, which exploits optically and electromagnetically excited acoustical and thermal phenomena for visualization and characterization of a variety of materials and biological tissues, including living organisms. While some of the spectroscopic and photothermal applications have reached a mature state, many other research directions experience an explosive growth, in particular biomedical photoacoustics, which is currently considered the fastest growing bio-imaging modality. The wealth of investigated topics clearly indicates that this field has developed a broad range of tools for fundamental and applied research. The enormous recent progress is greatly supported by the advances in laser technologies, ultrasound detection approaches, development of inverse theory and fast reconstruction algorithms. This progress is also driven by a large number of unmet biological and medical needs that can be addressed by the unique contrast mechanisms available to photoacoustic (optoacoustic) methods. These include pre-clinical research and clinical imaging of vasculature, tissue and disease physiology, drug efficacy and treatment monitoring, optical anatomy and molecular imaging employing fluorochromes, chromophores and nanoparticles. Correspondingly applications span the entire range of biological and medical imaging including cancer, cardiovascular diseases, neuroimaging, ophthalmology or imaging in immunology, diabetes and obesity, cell trafficking application and a multitude of other biological functions. The multi-disciplinarily nature of photoacoustics and thermoacoustics is also evinced by the growing contribution from chemistry and nanotechnology where a multitude of novel contrast materials and agents have been constantly developed, from nanoparticles and organic dyes, to targeted agents and genetically expressed markers.

开放获取的《光声学》期刊 (PACS) 旨在发表原创研究和评论快速发展的光声学 (optoacoustics) 和热声学领域的贡献，该领域利用光学和电磁激发的声学和热现象来可视化和表征各种材料和生物组织，包括生物体。虽然一些光谱和光热应用已经达到成熟状态，但许多其他研究方向正在经历爆炸式增长，特别是生物医学光声学，它目前被认为是增长最快的生物成像方式。丰富的研究主题清楚地表明，该领域已经开发出广泛的基础和应用研究工具。最近取得的巨大进展在很大程度上得益于激光技术、超声检测方法、逆理论和快速重建算法的发展。这一进展还受到大量未满足的生物和医学需求的推动，这些需求可以通过光声 (optoacoustic) 方法可用的独特对比机制来解决。这些包括血管、组织和疾病生理学的临床前研究和临床成像、药物疗效和治疗监测、光学解剖学和使用荧光染料、发色团和纳米粒子的分子成像。相应的应用涵盖了整个生物和医学成像领域，包括癌症、心血管疾病、神经成像、眼科或免疫学成像、糖尿病和肥胖症、细胞运输应用和许多其他生物功能。光声学和热声学的多学科性质也体现在化学和纳米技术的不断贡献中，其中不断开发出大量新型造影材料和药剂，从纳米粒子和有机染料到靶向药剂和基因表达标记。

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