PEG-COOH-modified upconverting nanoparticles(greenyellow light), 20 mgProduct Type: Upconverting nanoparticle
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, material format, solvent, concentration or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
How do the dual emission peaks at 545 nm and 660 nm enable ratiometric sensing with these PEG-COOH-modified upconverting nanoparticles?
The nanoparticles emit at both green (545 nm) and red (660 nm) wavelengths under near-infrared excitation. The intensity ratio of these two peaks can be used for ratiometric detection, which is less sensitive to excitation power fluctuations and sample concentration variations. The 35 nm particle size and NaYREF4 host matrix support upconversion luminescence, and the PEG-COOH coating provides water dispersibility for biological assays.
What is the intended solvent environment for these upconverting nanoparticles, and can they be integrated into standard biological buffers?
The product is supplied in water as the solvent, indicating compatibility with aqueous environments. The PEG-COOH surface modification enhances colloidal stability in water and common biological buffers, but specific buffer compatibility is not stated in the product description. Users should confirm the dispersion stability in their target buffer system before use.
What equipment is required to characterize the optical properties of these PEG-COOH-modified upconverting nanoparticles?
The nanoparticles emit at 545 nm and 660 nm under upconversion excitation, so a near-infrared laser (typically 980 nm) is required for excitation, along with a spectrometer or fluorescence microscope to detect the visible emission. The powder or dispersion can be handled with standard laboratory tools; no specialized infrastructure is needed beyond the excitation source and detection system.
This PEG-COOH-modified upconverting nanoparticle with dual emission peaks at 545/660 nm and 35 nm particle size offers potential for ratiometric sensing, but requires procurement verification of the physical form and concentration and lacks size distribution data.
Positive
- Dual emission peaks at 545/660 nm: The upconverting nanoparticle exhibits two distinct emission peaks at 545 nm and 660 nm, enabling ratiometric sensing or multiplexed imaging applications.
- PEG-COOH surface modification: The PEG-COOH coating provides colloidal stability in water and enables further functionalization with biomolecules via carbodiimide chemistry.
Trade-offs
- Unspecified product format: The physical form (powder, solution, or dispersion) and exact concentration must be confirmed with the supplier before ordering, adding an extra step to procurement.
- Single particle size without distribution: Only a nominal particle size of 35 nm is provided; the absence of size distribution data may affect reproducibility in size-dependent applications such as cellular uptake or energy transfer studies.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
