01 / PREPARATION
Biological sample preparation
Support for the preparation steps needed for electron microscopy, with a workflow selected for the specimen and imaging goal.
iRIC · Faculty of Medicine, Chiang Mai University
Electron Microscope Unit
Electron microscopy and biological sample preparation support for research. Discuss your sample and research question with our team before choosing a TEM or SEM workflow.
Transmission electron microscopy
Scanning electron microscopy
Biological samples
How to start
Our instruments
Explore the microscopes
Select an instrument to see how it supports different imaging questions.
Transmission Electron Microscope
JEM-2200FS supports examination of fine internal structures in appropriately prepared thin biological sections.
- Ultrastructural observation of cells and tissues
- Sample preparation planning for thin-section TEM
- Image acquisition support for research projects
Scanning Electron Microscope
JSM-6610LV supports examination of surface morphology and microstructure in suitably prepared samples.
- Surface imaging of biological specimens
- Guidance on preparation for SEM observation
- Imaging support matched to the research question
From our microscopes
See the detail
Representative images supplied by the EM Unit. The original scale bars are retained in each image.
What we provide
Services for biological research
02 / IMAGING
TEM and SEM imaging
Microscope access and technical assistance to observe internal ultrastructure or surface features.
03 / CONSULTATION
Protocol consultation
Discuss specimen collection, preparation and imaging strategy when developing a protocol for biological samples.
Service fees
EM Unit service fees
Rates in Thai baht (THB), according to Faculty of Medicine announcement ร 11/2569, Appendix 1, page 5. Select a service group below to view all rates.
Swipe horizontally to view all four rate categories.
SEM · Scanning Electron Microscopy 8 services
| Service | Unit | Faculty of Medicine personnel | CMU personnel | Public sector | Private sector |
|---|---|---|---|---|---|
| 10.1 Biological sample preparation — whole process | sample | 1,000 | 1,200 | 2,000 | 2,500 |
| 10.2 Osmium tetroxide treatment only (up to 5 samples) | sample | 500 | 700 | 900 | 1,100 |
| 10.3 Dehydration process | sample | 100 | 200 | 400 | 600 |
| 10.4 Critical point drying | run | 300 | 600 | 800 | 1,000 |
| 10.5 Mounting on stub | stub | 20 | 40 | 80 | 100 |
| 10.6 Gold coating (not more than 6 stubs per run) | run | 200 | 400 | 600 | 800 |
| 10.7 SEM instrument use | hour | 200 | 400 | 800 | 1,200 |
| 10.8 SEM image | image | 20 | 30 | 40 | 50 |
TEM · Transmission Electron Microscopy 7 services
| Service | Unit | Faculty of Medicine personnel | CMU personnel | Public sector | Private sector |
|---|---|---|---|---|---|
| 11.1 Biological sample preparation with OsO₄ | sample | 2,000 | 2,500 | 3,000 | 3,500 |
| 11.2 Biological sample preparation without OsO₄ | sample | 1,000 | 1,500 | 2,000 | 2,500 |
| 11.3 Sectioning (up to 2 grids per block) | sample | 400 | 550 | 750 | 1,000 |
| 11.4 Negative staining — user supplies grid | grid | 150 | 250 | 500 | 750 |
| 11.5 Negative staining — Formvar-carbon grid included | grid | 300 | 500 | 700 | 900 |
| 11.6 TEM instrument use | hour | 800 | 1,200 | 1,500 | 2,500 |
| 11.7 TEM image | image | 20 | 30 | 40 | 50 |
Fee conditions
- Rates depend on the service and user category. Contact the unit to confirm your user category and the appropriate services for your specimen.
- Instrument use is charged for a minimum of one hour; a partial hour is charged as a full hour.
- Preparation, instrument use and image charges are listed separately in the announcement. Contact the unit to confirm the required services and estimated cost before submission.
- Payment is due on the service date or within 60 days of receiving the invoice, as specified in the announcement.
Reference: Faculty of Medicine, Chiang Mai University, announcement ร 11/2569, Appendix 1, page 5. The full official announcement takes precedence.
Plan your project
Cost estimator
Select your user category, services and quantities to estimate the cost before submitting your samples.
Choose each required service and enter its quantity. Instrument hours are rounded up; other quantities must be whole numbers.
SEM services
TEM services
Working with our team
Sample submission process
Begin with a consultation so the preparation plan fits the specimen and the result you need.
STEP 01
Initial consultation
Share your sample type and research or imaging objectives.
STEP 02
Plan preparation
Agree on a suitable preparation protocol and sample requirements.
STEP 03
Submit & schedule
Coordinate sample submission and instrument time with the unit.
STEP 04
Imaging & results
Complete the agreed imaging work and receive image files.
iRIC · EM UNIT
Contact Us
Discuss your sample and plan your electron microscopy study with our team.
Coordinators
Thippawan Yasanga
Researcher
Satethabood Naowasate
Advanced Research Instrument Management Officer