In postmortem brains, conventional T1-weighted structural protocols did not produce satisfying gray/white matter contrast; therefore, we used a three-dimensional balanced SSFP (steady-state free precession) pulse sequence previously adapted for scanning formalin-preserved postmortem samples (65 (link)). The TRUFI (true fast imaging with steady-state free precession) sequence chosen produced high gray/white matter contrast, albeit inverted compared with conventional T1-weighted structural acquisitions (gray matter has high relative signal; white matter, low).
Fc 3283
FC-3283 is a laboratory equipment product from 3M. It is designed for use in research and scientific applications. The core function of this product is to provide a reliable and consistent measurement or analysis tool for laboratory environments. No further details or extrapolation on the intended use of this product are provided.
Lab products found in correlation
5 protocols using fc 3283
High-Contrast Postmortem Brain Imaging
In postmortem brains, conventional T1-weighted structural protocols did not produce satisfying gray/white matter contrast; therefore, we used a three-dimensional balanced SSFP (steady-state free precession) pulse sequence previously adapted for scanning formalin-preserved postmortem samples (65 (link)). The TRUFI (true fast imaging with steady-state free precession) sequence chosen produced high gray/white matter contrast, albeit inverted compared with conventional T1-weighted structural acquisitions (gray matter has high relative signal; white matter, low).
Perfused Mouse Brain Tissue Preparation
Fluorosurfactant Synthesis and Application
Example 9
Fluorosurfactants are synthesized by reacting Krytox 157 FSL, FSM, or FSH with aqueous ammonium hydroxide in a volatile fluorinated solvent. The solvent and residual water and ammonia are removed with a rotary evaporator. The surfactant can then be dissolved in a fluorinated oil (e.g., FC-3283 from 3M), which can then be used as the continuous phase of the emulsion. A typical concentration is 2.5 wt % of surfactant dissolved in the oil.
The channels of the microfluidic device are also coated with a fluorinated surface product. For example, the coating is applied from a 0.1-0.5 wt % solution of Cytop CTL-809M in CT-SoIv 180. This solution is injected into the channels of a microfluidic device via a plastic syringe. The device is then heated to 90° C. for two hours, followed by 200° C. for an additional two hours. These surfactants in the fluorinated oil stabilize the aqueous droplets from spontaneously coalescing. By fluorinating the channel surfaces, the oil phase preferentially wets the channels and allows for the stable generation and movement of droplets through the device, the low surface tension of the channel walls minimizes the accumulation of channel clogging particulates.
Microfluidic Chip Fabrication Protocol
Brain Tissue Preparation for MRI Imaging
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