Hier beschrijven we de procedures die in ons laboratorium zijn ontwikkeld voor het bereiden van poeders van kleine molecuulkristallen voor microkristalelektronendiffractie (MicroED) -experimenten.
Method Article
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| Name | Company | Catalog Number | Comments |
|---|---|---|---|
| 0.1-1.5mL Eppendorf tubes | Fisher Scientific | 14-282-300 | Any vial or tube will do. |
| Autogrid clips | Thermo-Fisher | 1036173 | Clipped grids are not required for MicroED. They are required for Thermo-Fisher TEMs equipped with an autoloader system. |
| Autogrid C-rings | Thermo-Fisher | 1036171 | |
| Carbamazapine | Sigma | C4024-1G | Any amount will suffice for these experiments |
| CMOS based detector | Thermo-Fisher | CetaD 16M | We used a CetaD 16M, but any detector with rolling shutter mode or sufficiently fast readout is acceptable. |
| Delphi software | Thermo-Fisher | N/A | Software on Thermo-Fisher TEM systems that allows for manual rotation of the sample stage |
| EPU-D software | Thermo-Fisher | N/A | Commercial software for the acquisition of MicroED data |
| Glass cover slides | Hampton | HR3-231 | |
| Glow discharger | Pelco | easiGlow | |
| High PrecisionTweezers | EMS | 78325-AC | Any high precision tweezer will do |
| Liquid nitrogen vessel | Spear Lab | FD-800 | A standard foam vessel for handling specimens under liquid nitrogen - 800mL |
| SerialEM software | UC Boulder | N/A | Free software distributed by D. Mastronarde. Department of Molecular, Cellular, and Developmental Biology |
| TEM grids | Quantifoil/EMS | Q310CMA | Multi-A 300 mesh grids were used here, but any thin carbon grids will work. For these small molecules, we suggest starting with continuous carbon. |
| transmission electron microscope (TEM) | Thermo-Fisher | Talos Arctica | |
| Whatman circular filter paper | Millipore-Sigma | WHA1001090 | 90mm or larger |
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