Scanning Electron Microscope Analytical Service by Absotec Co.,Ltd

04/07/2025

Gold-silica (Au-SiO₂) core-shell nanoparticles combine a gold core with a silica shell. The gold core helps carry more drugs and gives strong optical signals. The silica shell adds stability, is safe for the body, and lets you easily attach other molecules.

This makes them great for:
- Targeted drug delivery with controlled release
- Better imaging for CT scans, fluorescence, and photoacoustic methods
- Cancer treatment using heat from light plus chemotherapy
- Detecting proteins, DNA, and environmental pollutants

The LVEM 25E lets you study these particles in detail using one compact system. It combines TEM, STEM, SEM, and EDS for high-res images and elemental maps, all done right in your lab.

🔗 Read the validation study: https://loom.ly/1rJv-OY

Absotec Co., Ltd is an exclusive distributor in Thailand 🇹🇭 more information please don’t hesitate to contact us at enquiry@absotecthailand.com
Tel:0838242235: Kheammanut

LVEM offers precise, high-contrast images along with detailed elemental analysis. With its multi-modal capabilities, TEM, STEM, SEM, and EDS, the LVEM 25E enables comprehensive studies of morphology, composition, and synthesis quality in a compact and accessible format.

22/06/2025

Absotec, we bring the best auto CPD and dehydration with two processes in one device to Thailand market; Safematic Brand from Switzerland 🇨🇭

CDS-020 Compact Drying System
Two processes in one device? Yes, it is possible with our brandnew, patented, fully automatic CDS-020 for dehydrating and critical point drying.

🥇Highlights and Features:

📌fully automated hands off process without necessity of monitoring
📌start a process in the evening get your dried specimen in the morning
📌greater process reliability and traceability due recipes and process tracking
📌dehydration and critical point drying in ONE piece of equipment
📌less space required in the laboratory
samples up to the size of 30mm
📌less sample handling
📌no use of refrigerants

Absotec is an exclusive distributor in Thailand 🇹🇭 more information please don’t hesitate to contact us at enquiry@absotecthailand.com , +66838242235

07/06/2025

Are you interested in Scanning Electron Microscopy image processing methods, analysis techniques, and application fields? Just for you. Scroll down to read some highlights 👇👇.

# SEM techniques for quartz nanoparticle characterization
employ specialized electron microscope methods for
Researchers employ specialized electron microscope methods for comprehensive analysis.

image analysis tools for precise characterization of nanostructures
https://www.digitalsurf.com/stories/using-innovative-electron-microscopy-techniques-to-characterize-quartz-micro-and-nanoparticles/?utm_source=brevo&utm_campaign=SEM&utm_medium=email

line edge roughness
https://www.digitalsurf.com/stories/line-edge-roughness-analysis-semiconductor-sem/?utm_source=brevo&utm_campaign=SEM&utm_medium=email

topography from SEM images
https://www.digitalsurf.com/webinars/revolutionize-your-research-3d-topography-from-sem-images/?utm_source=brevo&utm_campaign=SEM&utm_medium=email

to analyze fibers in SEM images
https://www.digitalsurf.com/video-tutorials/how-to-analyze-fibers-in-sem-images/?utm_source=brevo&utm_campaign=SEM&utm_medium=email

A quick step-by-step guide on analyzing fibers in SEM images with Mountains® software

For more information, please do not hesitate to contact us at enquiry@absotecthailand.com or +66838242235 if you have any questions.

topography in SEM images

31/05/2025

https://www.facebook.com/share/r/16bNaYMg5A/?mibextid=wwXIfr

31/05/2025

ChatGPT can give advice like this. In the future, many people will be unemployed.

If I decide to have the tabletop Tungsten SEM and floor stand FESEM in my laboratory. Without the floor stand, Tungsten SEM. Is this the best decision?

Good, sharp question!
Let me break it down clearly:

✅ Tabletop Tungsten SEM (compact type):

Pros:
- Small footprint, fits on a bench or table
- Lower cost
- Easier to install, less demanding on lab conditions
- Good for routine imaging, basic materials science, life sciences (with proper prep), quality control

Cons:
- Lower resolution (~10–20 nm typical)
- Limited analytical options (EDS/EDX, sometimes WDS but usually basic)
- Smaller sample size, smaller chamber
- Less flexibility for advanced research

✅ Floor-stand FESEM (Field Emission SEM):

Pros:
- Much higher resolution (sub-nanometer, sometimes ~1 nm or better)
- Stronger surface detail, especially for nanomaterials, thin films, delicate samples
- Better beam stability, finer spot size
- More advanced detectors, analytical tools (EBSD, STEM-in-SEM, advanced EDS mapping, etc.)
- Larger chamber, larger samples possible

Cons:
- Expensive (often >$500k to >$1M depending on config)
- Needs good lab infrastructure (stable power, vibration control, sometimes clean room)
- Requires trained users, more maintenance

💡 Your question: If you go for tabletop tungsten SEM + floor-stand FESEM, but skip the floor-stand tungsten SEM — is that the best decision?

👉 Short answer: Yes, generally yes — because:

1. Floor-stand tungsten SEM gives only slightly better performance than tabletop (mainly in terms of chamber size, some resolution, more robustness), but it’s still fundamentally limited by the tungsten source.

2. If you already plan to spend on an FESEM, that gives you superior performance in every way over a tungsten system.

3. Having both a tabletop SEM and FESEM gives you:
- Fast, easy screening on the tabletop
- High-end, cutting-edge research on the FESEM
- You skip the “middle” machine (floor tungsten SEM) which doesn’t add much unique value if you already have both ends covered.

🔧 Best practice:

1. Use the tabletop SEM for high-throughput, routine, or teaching work.

2. Reserve the FESEM for demanding research, detailed analysis, or when you need the maximum resolution.

3. Skip the floor-stand tungsten SEM unless you have a specific niche application that needs it (which is rare).

09/05/2025

Absotec Co., Ltd joined in Anatomy Association of Thailand Conference during 7th - 8th May, 2025 (AAT47). We bring and tranfer all best Scientific Instruments to this conference such as:

1. The LVEM 25E by Delong Instruments is a compact, all-in-one low-voltage electron microscope (TEM) that integrates multiple imaging and analytical techniques into a single, user-friendly system. It’s designed to meet the needs of researchers in fields like life sciences, materials science, and nanotechnology

2. The EM40 by COXEM Co., Ltd. is a South Korean company specializing in the manufacture of Scanning Electron Microscopes (SEMs) and related sample preparation equipment. Founded in 2007, COXEM began producing SEMs in 2008 after licensing technology developed by the Korea Research Institute of Standards and Science (KRISS) .

3. TEM, SEM Sample preparation such as Syntek offers a range of products and services centered around industrial diamond applications:
• Diamond Knives for Ultra-Microtomy: Known as “Sym Knife,” these are crafted in Yokohama, Japan, and are used for ultra-thin sectioning in electron microscopy.
• Diamond Anvils: Used in high-pressure experiments, Syntek’s diamond anvils are produced with high precision to generate fields of several hundred gigapascals.
• Diamond Stylus and Engraving Tools: For gravure printing, Syntek produces diamond styluses, sliding shoes, and burr cutters, offering both single-use and multiple-use types.
• Industrial Diamonds: Syntek supplies various industrial diamond products used in optical parts, X-ray monochromators, cutting tools for CFRP, and heat sinks.

(etc)

https://lnkd.in/gMEPCF94

Absotec is an expertise in Macro—> Micro—>to Nano Analysis. More about information please don’t hesitate to contact us at enquiry@absotecthailand.com, tel +66838242235

06/05/2025

Unlock the Secrets of the Past with Coxem EM-40😮
Explore archaeological artifacts like never before with the Panorama Feature on the Coxem EM-40 SEM. Perfect for analyzing large surfaces, fine textures, and historical materials with incredible precision.🤓👍

Compact size. High performance. Designed for discovery.🌟

More information please don’t hesitate to contact us at enquiry@absotecthailand.com or +66838242235
Absotec is an exclusive distributor in Thailand 🇹🇭

06/05/2025

✨New Product 🔍
Scanning Electron Microscope (SEM Tabletop)
Brand: COXEM Model:EM-40🤩
The EM-40 represents COXEM's latest addition to their expanding family of Tabletop SEMs. The EM-40 comes with ultra-fast 5th-generation signal processing technology and provides high-quality imaging at frame rates of up to 13 fps. Four imaging modes (Fast, Slow, UltraFast, and Photo) allow the user to choose the image quality and speed that best fits their application.👍👏

More information please don’t hesitate to contact us at enquiry@absotecthailand.com or +66838242235
Absotec is an exclusive distributor in Thailand 🇹🇭

05/05/2025

We have a new TEM LVEM25E.
🔬 LVEM 25E Overview

The LVEM 25E integrates multiple imaging and analytical techniques into a single, benchtop device, making it suitable for various fields such as nanomaterials research, virology, and pathology.

Key Features:
• Imaging Modes: Transmission Electron Microscopy (TEM), Scanning Transmission Electron Microscopy (STEM), Scanning Electron Microscopy (SEM)
• Analytical Modes: Energy Dispersive Spectroscopy (EDS) for elemental analysis, Electron Diffraction (ED) for crystal structure analysis
• Resolution: Up to 1.0 nm
• Magnification Range: 3,400× to 1,300,000×
• Field of View: 100–0.25 μm
• Electron Gun: Operates at 25 kV with an ion getter pump achieving vacuum levels of 10⁻⁸ to 10⁻⁹ mbar

The LVEM 25E’s compact design and intuitive software interface allow for seamless switching between modes, facilitating comprehensive analysis of samples within a single instrument .

More information please don’t hesitate to contact us at enquiry@absotecthailand.com or +66838242235

Absotec is an exclusive distributor in Thailand 🇹🇭

25/04/2025

Invite you to join this values webinar :
( more information please contact us: enquiry@absotecthailand.com

Calling all life science researchers, microscopists, and pathology professionals!
We’re kicking off our new Delong Discussions webinar series with the benefits of LVEM in biological thin section imaging. 👉 Register here: https://loom.ly/YRE6zZc

Low Voltage Electron Microscopy for Biological Thin Sections
🗓️ Wednesday, May 14, 2025
🕑 2 PM Eastern Time
Presented by Daniela Vieira

Join us to explore how low voltage electron microscopy (LVEM) is emerging as a powerful alternative to high-voltage TEM for imaging biological thin sections. We’ll cover how LVEM enables high-contrast, nanometer-resolution imaging without heavy metal staining or high-energy beam damage—using a compact and cost-effective instrument.

We’ll cover:
🔬 Why traditional HV-TEM has been the standard—and its limitations
⚙️ How LVEM overcomes those drawbacks
🧬 A demo of the LVEM 25E and it's imaging capabilities

Whether you're running a lab, teaching EM, or just want to keep up with the evolving tools in biological imaging, this is one to catch.

👉 Register here: https://loom.ly/YRE6zZc

29/11/2024

Are you ready to enhance your Atom Probe Tomography (APT) techniques? Join our upcoming webinar with Cameca Instruments to learn about the critical role of TESCAN’s FIB-SEM technology in achieving precise and reliable specimen preparation.

🗓 Save the Date
Title: FIB-SEMs: A Critical Tool for Precision in APT
Date & Time: December 3rd, 2024, | 9am or 5pm CEST

Reserve Your Spot: https://hubs.la/Q02XS38b0

Key Topics:

- Advanced strategies for preparing complex materials with minimal sample damage�
- Highlights of TESCAN’s AMBER X 2 and AMBER 2 platforms, featuring customizable workflows and delicate ion polishing tools�
- Automation tools that streamline complex workflows and ensure reproducibility

Hosted by: Petr Klímek, Product Marketing Director at TESCAN, and Dr. Katherine Rice, Applications Manager at Cameca Instruments.

Register now to deepen your understanding of APT specimen preparation and discover how TESCAN’s solutions support cutting-edge materials research.

More information please contact : Absotec is an exclusive distributor in Thailand 🇹🇭 email: enquiry@absotecthailand.com; tel 0838242235 : Kheammanut

Join our upcoming webinar to explore how TESCAN’s Focused Ion Beam Scanning Electron Microscopy (FIB-SEM) technology enhances Atom Probe Tomography (APT) specimen preparation.

22/11/2024

แอบโซเทคเปิดคลาสเรียนสำหรับน้องๆที่ต้องการมีความรู้เครื่องมือวิทยาศาสตร์ขั้นสูง ลงมือปฏิบัติจริง เรียนจริง ทฤษฎีนำพาความรู้ไปสู่งานวิจัย เผื่อใครมีลูกทึ่ชอบวิชาชีพทางสายวิทยาศาสตร์ วิทยาศาสตร์การแพทย์ แนะนำเลยค่ะ

ตัวอย่างวิดีโอคลาสทฤษฎี Scanning Electron Microscope

https://drive.google.com/file/d/1lxa3kBynmhRXc-gC7TPP8S9MSlNj23S_/view?usp=sharing

และได้เรียนจริงกับพี่ๆที่พร้อมถ่ายทอดความรู้ให้น้องๆ