XRD, SAXS
XRDX Ray Diffraction measurment for protein crystallography
◆ Se-MAD method is adopted to construct 3-D structure for protein
crystal.
◆ Short measurement time is realized by high power MIRRORCLE
RAY-CV4 and multilayer optics.
◆ Compact beam line is 1200 mm long.
◆ X-ray energy is calibrated by XAFS measurement in the
same beam line.
◆ Sample can be cool down by liquid nitrogen flow refrigerator.
◆ Optics are composed in a small hatch filled with He
gas and can be adjusted by remote control.
◆ Focal point size is the target size which is 10μm (target is selectable).
| Measurment method | Se-MAD method |
|---|---|
| Optics | 3 sets of confocal multilayer mirror and optics changing system are in the MIRRORCLE storage ring. These provide semi-monochromatic X-ray. |
| Accurate collimation by tungsten block and 4 quadrant slit | |
| Si(111) crystal produces high energy resolution (⊿E/E≒5000) monochromatic X-rays, which name 0.982Å, 0.980Å and 0.954Å. These energies are defined by XAFS scanning around Se-K-Edge. | |
| Alignment of optics | All optics are adjustable by remote control. |
| Sample holder | Sample holder for XAFS measurement is set into beam line hatch. Sample is mounted on 4-axis goniometer for XRD pattern imaging. Sample can be refrigerated by liquid nitrogen flow system. |
| Detector | 2-D imaging decice (PILATUS 300K) I0 and I monitor (ion chamber) |
| Beam line hatch | Beam line is in a small hatch filled with He gas. |
SAXS Small Angle X-ray Scattaring
Coming Soon