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Multispectral intravital microscopy for simultaneous bright-field and fluorescence imaging of the microvasculature
Springer Science and Business Media LLC - Tập 51 - Trang 1-12 - 2021
Intravital video microscopy permits the observation of microcirculatory blood flow. This often requires fluorescent probes to visualize structures and dynamic processes that cannot be observed with conventional bright-field microscopy. Conventional light microscopes do not allow for simultaneous bright-field and fluorescent imaging. Moreover, in conventional microscopes, only one type of fluoresce......
Depth-dependent EBIC microscopy of radial-junction Si micropillar arrays
Springer Science and Business Media LLC - Tập 50 - Trang 1-9 - 2020
Recent advances in fabrication have enabled radial-junction architectures for cost-effective and high-performance optoelectronic devices. Unlike a planar PN junction, a radial-junction geometry maximizes the optical interaction in the three-dimensional (3D) structures, while effectively extracting the generated carriers via the conformal PN junction. In this paper, we report characterizations of r......
Kỹ thuật hiển vi âm thanh quét trong đánh giá vật liệu Dịch bởi AI
Springer Science and Business Media LLC - Tập 50 - Trang 1-11 - 2020
Kỹ thuật hiển vi âm thanh quét (Scanning Acoustic Microscopy - SAM) hay Hình ảnh Âm thanh Micro (Acoustic Micro Imaging - AMI) là một phương pháp hiệu quả, không phá hủy, có khả năng phát hiện các khuyết tật ẩn trong các mẫu đàn hồi và sinh học cũng như các vật liệu cứng không trong suốt. Bằng cách theo dõi các đặc điểm bên trong của một mẫu trong tích hợp ba chiều, kỹ thuật này có thể phát hiện h......
#hiển vi âm thanh quét #kỹ thuật không phá hủy #khuyết tật vật lý #công nghệ hình ảnh âm thanh
Fine structure of the cardiac muscle cells in the orb-web spider Nephila clavata
Springer Science and Business Media LLC - Tập 50 - Trang 1-8 - 2020
The fine structural characteristics of cardiac muscle cells and its myofibril organization in the orb web spider N. clavata were examined by transmission electron microscopy. Although myofibril striations are not remarkable as those of skeletal muscles, muscle fibers contain multiple myofibrils, abundant mitochondria, extensive sarcoplasmic reticulum and transverse tubules (T-tubules). Myofibrils ......
Quantitative analysis of retained austenite in Nb added Fe-based alloy
Springer Science and Business Media LLC - Tập 52 - Trang 1-10 - 2022
The use of Pipelines for long-distance transportation of crude oil, natural gas and similar applications is increasing and has pivotal importance in recent times. High specific strength plays a crucial role in improving transport efficiency through increased pressure and improved laying efficiency through reduced diameter and weight of line pipes. TRIP-based high-strength and high-ductility alloys......
Comparative study on the specimen thickness measurement using EELS and CBED methodsAbstract Two thickness measurement methods using an electron energy loss spectroscopy (EELS) and 10a convergent beam electron diffraction (CBED) were compared in an Fe-18Mn-0.7C alloy. The thin foil specimen was firstly tilted to satisfy 10a two-beam condition. Low loss spectra of EELS and CBED patterns were acquired in scanning transmission electron microscopy (STE... ...
Springer Science and Business Media LLC - - 2020
Advanced atomic force microscopy-based techniques for nanoscale characterization of switching devices for emerging neuromorphic applications
Springer Science and Business Media LLC - Tập 51 - Trang 1-9 - 2021
Neuromorphic systems require integrated structures with high-density memory and selector devices to avoid interference and recognition errors between neighboring memory cells. To improve the performance of a selector device, it is important to understand the characteristics of the switching process. As changes by switching cycle occur at local nanoscale areas, a high-resolution analysis method is ......
Methanol fixation for scanning electron microscopy of plants
Springer Science and Business Media LLC - Tập 50 - Trang 1-6 - 2020
Plant specimens for scanning electron microscopy (SEM) are commonly treated using standard protocols. Conventional fixatives consist of toxic chemicals such as glutaraldehyde, paraformaldehyde, and osmium tetroxide. In 1996, methanol fixation was reported as a rapid alternative to the standard protocols. If specimens are immersed in methanol for 30 s or longer and critical-point dried, they appear......
Ultrastructure of the fertilized egg envelope from Melanotaenia praecox, Melanotaeniidae, TeleosteiAbstract We examined the morphology of fertilized egg and ultrastructures of fertilized egg envelopes of dwarf rainbowfish (Melanotaenia praecox ) belong to Melanotaeniidae using light and electron microscopes. The fertilized eggs were spherical with adhesive filament, transparent, demersal, and had a narrow perivitelline space and small oi... ...
Springer Science and Business Media LLC - Tập 51 Số 1 - 2021
Protective effects of Erythronium japonicum and Corylopsis coreana Uyeki extracts against 1,3-dichloro-2-propanol-induced hepatotoxicity in rats
Springer Science and Business Media LLC - Tập 50 - Trang 1-6 - 2020
Erythronium japonicum (E. japonicum) and Corylopsis coreana Uyeki (C. coreana Uyeki, Korean winter hazel) have been shown to significantly decrease 1,3-dichloro-2-propanol (1,3-DCP)-induced generation of reactive oxygen species and CYP2E1 activity in HuH7, human hepatocytes. In this study, we expanded upon the previous study and investigated the effects of E. japonicum and C. coreana Uyeki extract......
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