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StretchView - A Multi-Axial Cell-Stretching Device for Long-Term Automated Videomicroscopy of Living Cells.
Adv Sci (Weinh)
January 2025
Institute of Microtechnology (IMT), Technische Universität Braunschweig, Alte Salzdahlumer Str. 203, 38124, Braunschweig, Germany.
Incorporating mechanical stretching of cells in tissue culture is crucial for mimicking (patho)-physiological conditions and understanding the mechanobiological responses of cells, which can have significant implications in areas like tissue engineering and regenerative medicine. Despite the growing interest, most available cell-stretching devices are not compatible with automated live-cell imaging, indispensable for characterizing alterations in the dynamics of various important cellular processes. In this work, StretchView is presented, a multi-axial cell-stretching platform compatible with automated, time-resolved live-cell imaging.
View Article and Find Full Text PDFDynamics in zebrafish development define transcriptomic specificity after angiogenesis inhibitor exposure.
Arch Toxicol
January 2025
Department of Ecotoxicology, Helmholtz Centre for Environmental Research-UFZ, Permoserstraβe 15, 04318, Leipzig, Germany.
Testing for developmental toxicity is an integral part of chemical regulations. The applied tests are laborious and costly and require a large number of vertebrate test animals. To reduce animal numbers and associated costs, the zebrafish embryo was proposed as an alternative model.
View Article and Find Full Text PDFEstablishment of Time-Resolved Fluorescence Immunoassay for Thyrotropin Receptor Antibodies and Clinical Application.
J Fluoresc
January 2025
College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310017, China.
Thyroid-stimulating hormone receptor antibody (TRAb) is a specific marker for Graves' disease (GD) and the measurement of which can improve the accuracy of GD diagnosis. Current detection methods utilize porcine-derived polyclonal-TRAb, which is unstable and is a source of significant inter-assay variability. This study aims to establish a time-resolved fluorescence immunoassay (TRFIA) method based on stable source of recombinant human TSHR and TRAb for the detection of serum TRAb.
View Article and Find Full Text PDFPhasor-FSTM: a new paradigm for multicolor super-resolution imaging of living cells based on fluorescence modulation and lifetime multiplexing.
Light Sci Appl
January 2025
Center for Biomedical Optics and Photonics & College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, 518060, China.
Multicolor microscopy and super-resolution optical microscopy are two widely used techniques that greatly enhance the ability to distinguish and resolve structures in cellular imaging. These methods have individually transformed cellular imaging by allowing detailed visualization of cellular and subcellular structures, as well as organelle interactions. However, integrating multicolor and super-resolution microscopy into a single method remains challenging due to issues like spectral overlap, crosstalk, photobleaching, phototoxicity, and technical complexity.
View Article and Find Full Text PDFQuantum-State Renormalization in Semiconductor Nanoparticles.
ACS Nano
December 2024
Department of Chemistry and Institute of Materials Science and Engineering, Washington University in Saint Louis, Saint Louis, Missouri 63130, United States.
A single photoexcited electron-hole pair within a polar semiconductor nanocrystal (SNC) alters the charge screening and shielding within it. Perturbations of the crystal lattice and of the valence and conduction bands result, and the quantum-confinement states in a SNC shift uniquely with a dependence on the states occupied by the carriers. This shifting is termed quantum-state renormalization (QSR).
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