Enum: TechniqueEnum

Structural biology techniques

URI: lambdaber:TechniqueEnum

Permissible Values

Value	Meaning	Description
cryo_em	CHMO:0002413	Cryo-electron microscopy
xray_crystallography	CHMO:0000156	X-ray crystallography
saxs	CHMO:0000204	Small-angle X-ray scattering
waxs	CHMO:0000207	Wide-angle X-ray scattering
sans	CHMO:0000184	Small-angle neutron scattering
cryo_et	CHMO:0002413	Cryo-electron tomography
electron_microscopy	CHMO:0000068	General electron microscopy
mass_spectrometry	CHMO:0000470	Mass spectrometry
xas	CHMO:0000298	X-ray absorption spectroscopy
xanes	CHMO:0000305	X-ray absorption near edge structure spectroscopy
exafs	CHMO:0000300	Extended X-ray absorption fine structure spectroscopy
xmcd	None	X-ray magnetic circular dichroism
neutron_crystallography	CHMO:0000182	Neutron macromolecular crystallography
fiber_diffraction	CHMO:0000156	Fiber diffraction for structural analysis of fibrous samples
time_resolved_crystallography	CHMO:0000156	Time-resolved macromolecular crystallography
xray_tomography	CHMO:0002743	X-ray computed tomography (micro-CT) for 3D imaging

Slots

Name	Description
techniques_supported	Experimental techniques available at this beamline
technique	Technique used for data collection

Identifier and Mapping Information

Schema Source

• from schema: https://w3id.org/lambda-ber-schema/

LinkML Source

name: TechniqueEnum
description: Structural biology techniques
from_schema: https://w3id.org/lambda-ber-schema/
rank: 1000
permissible_values:
  cryo_em:
    text: cryo_em
    description: Cryo-electron microscopy
    meaning: CHMO:0002413
  xray_crystallography:
    text: xray_crystallography
    description: X-ray crystallography
    meaning: CHMO:0000156
    exact_mappings:
    - PaNET:01164
  saxs:
    text: saxs
    description: Small-angle X-ray scattering
    meaning: CHMO:0000204
    exact_mappings:
    - PaNET:01188
  waxs:
    text: waxs
    description: Wide-angle X-ray scattering
    meaning: CHMO:0000207
    exact_mappings:
    - PaNET:01191
  sans:
    text: sans
    description: Small-angle neutron scattering
    meaning: CHMO:0000184
    exact_mappings:
    - PaNET:01189
  cryo_et:
    text: cryo_et
    description: Cryo-electron tomography
    meaning: CHMO:0002413
    comments:
    - Uses same CHMO term as cryo_em; tomography is a specific application
  electron_microscopy:
    text: electron_microscopy
    description: General electron microscopy
    meaning: CHMO:0000068
  mass_spectrometry:
    text: mass_spectrometry
    description: Mass spectrometry
    meaning: CHMO:0000470
  xas:
    text: xas
    description: X-ray absorption spectroscopy
    meaning: CHMO:0000298
    exact_mappings:
    - PaNET:01196
  xanes:
    text: xanes
    description: X-ray absorption near edge structure spectroscopy
    meaning: CHMO:0000305
    comments:
    - Also known as NEXAFS (near-edge X-ray absorption fine structure)
    - Used for electronic structure, oxidation state, coordination geometry
    exact_mappings:
    - PaNET:01199
  exafs:
    text: exafs
    description: Extended X-ray absorption fine structure spectroscopy
    meaning: CHMO:0000300
    comments:
    - Used for local atomic structure around specific elements
    - Commonly used for metalloprotein active site characterization
    exact_mappings:
    - PaNET:01198
  xmcd:
    text: xmcd
    description: X-ray magnetic circular dichroism
    comments:
    - Element-specific magnetometry technique
    exact_mappings:
    - PaNET:01137
  neutron_crystallography:
    text: neutron_crystallography
    description: Neutron macromolecular crystallography
    meaning: CHMO:0000182
    comments:
    - Also known as neutron protein crystallography or neutron macromolecular diffraction
    - Used for hydrogen/deuterium visualization in protein structures
  fiber_diffraction:
    text: fiber_diffraction
    description: Fiber diffraction for structural analysis of fibrous samples
    meaning: CHMO:0000156
    comments:
    - Used for studying filamentous proteins, DNA fibers, muscle fibers
  time_resolved_crystallography:
    text: time_resolved_crystallography
    description: Time-resolved macromolecular crystallography
    meaning: CHMO:0000156
    comments:
    - Pump-probe crystallography for capturing structural dynamics
    - Requires fast X-ray pulses (synchrotron or XFEL)
  xray_tomography:
    text: xray_tomography
    description: X-ray computed tomography (micro-CT) for 3D imaging
    meaning: CHMO:0002743
    comments:
    - Non-destructive 3D imaging technique
    - Includes micro-CT, nano-CT, and phase contrast tomography
    - Used for cellular imaging, materials science, and paleontology
    exact_mappings:
    - PaNET:01154