Using Aberrations to Improve Dose-Efficient Tilt-corrected 4D-STEM Imaging [0.03%]
利用像差提高剂量高效倾斜校正的四维扫描透射电子显微镜成像技术
Desheng Ma,David A Muller,Steven E Zeltmann
Desheng Ma
Tilt-corrected imaging methods in four-dimensional scanning transmission electron microscopy (4D-STEM) have recently emerged as a new class of direct ptychography methods that are especially useful at low dose. The operation of tilt correct...
Beyond Contrast Transfer: Spectral SNR as a Finite-Dose Metric for STEM Phase Retrieval [0.03%]
超越对比度传输:作为扫描透射电子显微镜相位恢复有限剂量指标的光谱信噪比
Georgios Varnavides,Julie Marie Bekkevold,Stephanie M Ribet et al.
Georgios Varnavides et al.
The contrast transfer function (CTF) is widely used to evaluate phase retrieval methods in scanning transmission electron microscopy (STEM), including center-of-mass imaging, parallax imaging, direct ptychography, and iterative ptychography...
Relaxing Direct Ptychography Sampling Requirements via Parallax Imaging Insights [0.03%]
利用视差成像的见解放宽直接ptychography采样要求
Georgios Varnavides,Julie Marie Bekkevold,Stephanie M Ribet et al.
Georgios Varnavides et al.
Direct ptychography enables the retrieval of information encoded in the phase of an electron wave passing through a thin sample by deconvolving the interference effects of a converged probe with known aberrations. Under the weak phase objec...
Detective Quantum Efficiency-Based Comparison of HRTEM and Ptychography Phase Imaging [0.03%]
基于侦探量子效率的HRTEM和ptychography相位成像比较
Felix Bennemann,Angus I Kirkland,David A Muller et al.
Felix Bennemann et al.
High-resolution transmission electron microscopy (HRTEM) is an important method for imaging beam sensitive materials often under cryo conditions. Electron ptychography in the scanning transmission electron microscope (STEM) has been shown t...
Gaussian Process Regression Applied to Atom Probe Tomography Data Reconstruction [0.03%]
高斯过程回归在原子探针断层扫描数据重构中的应用
Teemu Turpeinen,Aslam Shaikh,Tero Mäkinen et al.
Teemu Turpeinen et al.
We propose Gaussian process regression, a flexible Bayesian inference approach, as a method to enhance atom probe tomography data reconstruction. Simulated evaporation of single-crystal and polycrystalline specimens, incorporating surface d...
Functional and Morphological Characteristics of Goat Rumen Lamina Propria Stromal Cells During Pre-Weaning Development [0.03%]
Shuang Zhang,Jinxing Chong,Xiaoyan Liang et al.
Shuang Zhang et al.
We examined ruminal lamina propria stromal cells of 5-, 30-, and 60-day-old Boer goats using transmission electron microscopy and immunofluorescence to explore their functional morphology in pre-weaning lambs. At 5 days, cells were poorly d...
Chondrocyte Division in the Brachial Cartilage of Silver Carp: Atypical Cell Division [0.03%]
银鲫尺骨软骨细胞的分裂:非典型细胞分裂
Soha Soliman
Soha Soliman
Studying chondrocyte division in fish has great biological significance in obtaining knowledge helpful for cartilage regeneration. This study focuses on the staged description of the chondrocytes in brachial cartilage in silver carp. Morpho...
CoCrMo Nanoparticles Induce Cytotoxicity, Oxidative Stress, Apoptosis, DNA and Mitochondrial Damage in Human Urothelial Cells: A Microscopy-Based Study [0.03%]
基于显微镜技术研究的钴铬钼纳米颗粒对人类尿路上皮细胞的毒性、氧化应激、凋亡及DNA和线粒体损伤作用
Haluk Kefelioğlu,Zülal Atlı Şekeroğlu,Vedat Şekeroğlu et al.
Haluk Kefelioğlu et al.
Serious concerns have recently been raised about the effects of metal ions and particles liberated into the body from cobalt-chromium-molybdenum (CoCrMo) alloys. Several studies have suggested that wear debris can cause cytotoxicity and DNA...
EDX Array Tomography: 3D Imaging With Chemical Sensitivity and Submicron Resolution Through Ultramicrotomy and SEM-EDX Mapping [0.03%]
阵列层光切术:通过超薄切片和SEM-EDX绘图实现具有化学敏感性和亚微米分辨率的三维成像技术
David McLaughlin,Markus Bierling,Colin P OBrien et al.
David McLaughlin et al.
Elemental contrast from energy-dispersive X-ray spectroscopy (EDX) provides valuable insights into various materials and samples. However, this surface-mapping technique suffers from poor depth resolution, which prevents a straightforward a...
Effect of Platelet-Rich Plasma Versus Platelet Lysate on Imiquimod-Induced Psoriasis-Like Skin Inflammation in Adult Male Albino Rat Model: A Histological, Immunohistochemical, and Ultrastructural Study [0.03%]
富血小板血浆与血小板溶酶对成年雄性雪貂大鼠亚急性期咪喹莫特诱导银屑病皮肤炎症的影响:一项组织学、免疫组织化学和电镜研究
Eman M El-Beltagi,Mohamed Abumandour,Mustafa Shukry et al.
Eman M El-Beltagi et al.
Psoriasis is a chronic, immune-mediated inflammation. Platelet derivatives, such as platelet-rich plasma (PRP), are used in regenerative medicine because of their high cytokine and growth factor content. Platelet lysate (PL) is a promising ...