生命科学研究

在生命科学研究中心，您可以掌握最新的关于先进显微镜、成像技术、电镜样品制备和图像分析的前沿应用和创新，涵盖的主题包括细胞生物学、神经科学和癌症研究。希望在这里可以帮助您提升研究能力和精进显微镜在各个科学领域实际应用，并了解徕卡如何通过精确的可视化、图像解读和推进研究进展来赋能您的工作。

Final Segmentation of organelles in Trichomonas species. Magenta – costa, light blue – hydrogenosomes, turquoise – ER, red – vacuoles, yellow – axostyle, green – Golgi apparatus. Sample courtesy of Isabelle Guerin-Bonne, Low Kay En, Electron Microscopy Unit, Yong Loo Lin School of Medicine, National University of Singapore. Scale bar: 1 µm.

Volume EM and AI Image Analysis

The article outlines a detailed workflow for studying biological tissues in three dimensions using volume-scanning electron microscopy (volume-SEM) combined with AI-assisted image analysis. The focus…

Optic nerve regeneration in the Xenopus laevis tadpole.

A Novel Laser-Based Method for Studying Optic Nerve Regeneration

Optic nerve regeneration is a major challenge in neurobiology due to the limited self-repair capacity of the mammalian central nervous system (CNS) and the inconsistency of traditional injury models.…

5 hour time-lapse maximum intensity projection of a zebrafish embryo along the z-axis at 3 days post fertilization. Left: microglia cells. Right: bright field channel. Courtesy of Prof. Francesca Peri, University of Zurich, Switzerland.

Capturing Developmental Dynamics in 3D

This application note showcases how the Viventis Deep dual-view light sheet microscope was successfully used by researchers for exploring high-resolution, long-term imaging of 3D multicellular models…

Fluorescence microscopy of sectioned tissue, showing the interface between the extensor digitorum longus muscle and the common peroneal nerve in the adult rat. Regenerative peripheral nerve interface (RPNI) at 2 weeks. Image acquired using Mica. Stained for nuclei (blue), neurofilaments (green) and S100B (red). Image courtesy of Dr. Aaron Lee, Department of Bioengineering (Lab of Dr. Rylie Green), Imperial College London.

How to Image Axon Regeneration in Deep Muscle Tissue

This study highlights Dr. Aaron Lee’s research on mapping nerve regeneration in muscle grafts post-amputation. Limb loss often leads to reduced quality of life, not only from tissue loss but also due…

Cell DIVE multiplexed image of FFPE tissue section from human colon adenocarcinoma tissue.

多重成像揭示结肠癌的肿瘤免疫格局

由于抗药性和复发，癌症免疫疗法获益者寥寥无几，而针对癌症免疫周期多个步骤的组合治疗策略可能会改善治疗效果。这项研究表明，高通量空间蛋白质组学可用于识别细胞生物标志物之间的相互作用，并通过绘制肿瘤免疫微环境图来指导精准的组合疗法。

Cell DIVE multiplexed image of FFPE tissue section from human invasive ductal carcinoma (IDC)

人工智能驱动的乳腺癌研究多重染色成像空间分析工具

乳腺癌（BC）是女性因癌症死亡的主要原因，研究查肿瘤微环境（TME）对于阐明肿瘤进展机制至关重要。利用超多标染色空间蛋白质组学技术系统地绘制肿瘤微环境图谱可以提高精准免疫肿瘤学的能力。在这里，我们将基于人工智能的高倍空间分析应用于BC组织，研究免疫细胞类型和生物标记物，从而深入了解受免疫疗法反应的TME分子机制。

Zebrafish-embryo image captured using a THUNDER Imager Tissue and live instant computational clearing.

Improving Zebrafish-Embryo Screening with Fast, High-Contrast Imaging

Discover from this article how screening of transgenic zebrafish embryos is boosted with high-speed, high-contrast imaging using the DM6 B microscope, ensuring accurate targeting for developmental…

秀丽隐杆线虫包埋于Lowicryl® HM20树脂；咽部呈现红色荧光（mCherry蛋白标记）。概览图显示EM AFS2流通室底部形成的树脂包埋囊正面观。该包埋囊已进行人工预修块。块面修整采用UC Enuity系统的AutoTrim功能自动完成，修整过程由线虫荧光信号引导。图中两个方框的相对边长为250微米。

超薄切片树脂内荧光技术方案

电子显微镜，包括透射电子显微镜 (TEM) 和扫描电子显微镜 (SEM)，被广泛应用于获取生物样本或非生物材料的精细结构信息。超薄切片技术是制备厚度小于100纳米的超薄切片的首选方法，适用于透射电镜/扫描电镜分析。样品制备过程中，微小样本块被包埋于环氧或丙烯酸树脂中，去除多余树脂后，使用玻璃刀或金刚石刀将标本切成超薄切片 (50 nm - 100 nm)。

Cell DIVE multiplexed image of FFPE tissue section from syngeneic murine cancer model, 4T1.

利用人工智能驱动的空间蛋白质组学绘制肿瘤免疫图谱

未经治疗肿瘤的空间图谱分析可呈现肿瘤免疫结构的整体特征，有助于理解治疗反应。具有免疫活性的小鼠模型对于识别肿瘤发生发展过程中免疫依赖性事件至关重要。要表征这些具有完整免疫系统及相互作用细胞组分的模型，需要采用多重标记分析技术。我们展示了一种基于人工智能的空间蛋白质组学方法，用于研究小鼠癌组织中的肿瘤-免疫互作机制。