Results 251 to 260 of about 113,431 (288)

Precision‐Arranged DNA Origami Plasmonic Nanoantennas for Multidimensional Smart‐Warning of Weightlessness Induced Bone Loss

Advanced Science, EarlyView.
It is synthesized precision‐arranged DNA origami plasmonic nanoantennas for multiplexed and intelligent warning of bone loss induced by microgravity and radiation. The ordered nanoantennas simultaneously and accurately detected calcium ions, interleukin‐6, and microRNA‐214 in serum from mice exposed to microgravity and radiation, with performance ...
Yufan Ling, Xuan Qin, Weijia Sun, Fan Yue, Yiwei Wang, Di Fan, Haoyuan Xu, Ruao Xie, Jiawei Zhang, Jianwei Li, Bingyan Li, Yang Yang, Yingxian Li, Houyu Wang, Guangming Zhou   +14 more
wiley   +1 more source

Cerebral Organoids with Integrated Endothelial Networks Emulate the Neurovascular Unit and Mitigate Core Necrosis

Advanced Science, EarlyView.
Fumadó Navarro et al. present an optimized strategy to generate vascular‐like networks that infiltrate within cerebral organoids with promising signs of blood‐brain barrier characteristics, preserved stiffness, uniform morphology, enhanced media diffusion, and reduced necrotic core.
Josep Fumadó Navarro, Siobhan Crilly, Wai Kit Chan, Shane Browne, John O. Mason, Catalina Vallejo‐Giraldo, Abhay Pandit, Mihai Lomora   +7 more
wiley   +1 more source

Data‐Driven Printability Modeling of Hydrogels for Precise Direct Ink Writing Based on Rheological Properties

Advanced Science, EarlyView.
A predictive model for 3D printability is developed by integrating rheological analysis, including the Large Amplitude Oscillatory Shear (LAOS) test, with machine learning. With prediction errors under 10%, the model shows that post‐extrusion recovery controls horizontal printability, while high‐strain‐rate nozzle flow dictates vertical printability ...
Eun Hui Jeong, Jiho Choi, Han Bi Park, Ji Woo Lee, Seo Yeon Bae, Byoung Soo Kim, ChangKyu Yoon, Jun Dong Park   +7 more
wiley   +1 more source

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Comparison of rhodamine 6G, rhodamine B and rhodamine 101 spirolactam based fluorescent probes: A case of pH detection

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2022
Ring-opening reaction of rhodamine spirolactam has been widely applied to construct fluorescent probes. The fluorescence properties of the probe were finely tuned for specific purpose through changing the rhodamine fluorophore. However, the influence on response range and kinetic parameters of the probe during the change has been seldom discussed ...
Zhaochao Xu, Dongsheng Sun, Fei Deng, Limin Liu, Shixu Yang, Chunfang Huang, Wei Huang   +6 more
openaire   +3 more sources

IS RHODAMINE 123 A PHOTOSENSITIZER?

Photochemistry and Photobiology, 1990
Abstract—–Because of conflicting reports on the phototoxicity of rhodamine 123 (Rh 123), we have undertaken a study of Rh 123 photosensitization in severalin vitrosystems. First, Rh 123 is not a photodynamic agent and does not react with singlet oxygen.
Louis Dubertret, J. Rainasse, Véronique Carillet, Patrice Morlière, M. Bazin, Elli Kohen, René Santus, F. Bon   +7 more
openaire   +3 more sources

Phototoxicity Of Rhodamine Dyes

SPIE Proceedings, 1989
Rhodamine-123 (R123) and tetrabromo-R123 (TBR) have been evaluated in vitro as potential photosensitizers. R123 localizes selectively in mitochondria of MGH-V1 bladder carcinoma cells exposed to 10 pM R123 for 30 min, and under these conditions R123 is a weak photosensitizes.
Tayyaba Hasan, Norah Chen, Christopher R. Shea   +2 more
openaire   +2 more sources

Sulfone Rhodamines for Voltage Imaging

Chemistry – An Asian Journal, 2022
AbstractFluorescent indicators that respond to changes in biological membrane potentials provide a powerful complement to existing methods for monitoring neuronal activity. Indicators that absorb and emit in the near infrared window are especially attractive, since lower energy wavelengths excite fewer biological molecules and can penetrate more deeply
Benjamin K. Raliski, Dong Min Mun, Evan W. Miller   +2 more
openaire   +2 more sources

Acute Exposure to Rhodamine B

Journal of Toxicology: Clinical Toxicology, 1987
Rhodamine B is a red colored dye that is used in cosmetic products. We report a case of 17 patients who were exposed to aerosolized Rhodamine B inside a maintenance shop. The mean duration of exposure was 26 minutes (range 2-65). Sixteen of the patients (94%) complained of acute symptoms including: burning of the eyes (82%), excessive tearing (47 ...
Joseph A. Wilkinson, Daniel J. Dire
openaire   +2 more sources

The rhodamine B intercalation of montmorillonite

Journal of Colloid and Interface Science, 2004
Using photometric methods the dissociation constants and weight fractions of rhodamine B dimer in water solutions at different concentrations were determined. The montmorillonite (SWy) samples were fully intercalated with rhodamine B (RhB) solutions at various monomer/dimer ratios.
Zdeněk Klika, Helena Doležalová Weissmannová, Miroslav Pospíšil, Pavla Čapková   +3 more
openaire   +3 more sources

Studies of the metabolism of Rhodamine B

Toxicology and Applied Pharmacology, 1961
Abstract Rhodamine B (D & C Red No. 19) was metabolized identically in the dog, rat, and rabbit as evidenced by paper chromatograms and paper electrophoretograms of their urines and fecal extracts. The dye was extensively absorbed from the gastrointestinal tract at low dietary levels.
W.H. Hansen, Junius M. Webb
openaire   +3 more sources