ATTO-labeled secondary antibodies represent a new generation of fluorescent reagents, characterized by their exceptional fluorescence intensity, superior photostability, and consistent performance across various applications. Goat Anti-Donkey IgG ATTO430LS (H+L) is optimized for high-resolution microscopy, offering remarkable photostability and a high fluorescence quantum yield. These properties enable prolonged imaging sessions with minimal photobleaching, ensuring sharp and reliable signals.
ATTO430LS exhibits a distinct excitation/emission spectrum (λex: 436 nm, λem: 545 nm), providing excellent compatibility with UV-excitable systems and minimizing spectral overlap in multiplex imaging setups. Its strong fluorescence signal and low autofluorescence background make it highly effective in detecting low-abundance targets and achieving precise spatial resolution, even in dense or complex biological samples.
This antibody is preservative-free, making it suitable for live-cell imaging and other sensitive applications requiring minimal interference. Its low non-specific binding and high affinity ensure accurate target detection, while its robust fluorescence properties allow consistent results in advanced techniques such as super-resolution microscopy, flow cytometry, and fluorescence resonance energy transfer (FRET) assays.
Specification
Immunofluorescence: 1:500–1:1500, Degree of Labeling (DOL): 2-9, Unconjugated dye ≤5% of total fluorescence.
Optical Properties
λex: 436 nm, λem: 545 nm
Properties
Form
Lyophilized
Nominal concentration
2 mg/ml (after reconstitution with buffer)
The antibody is shipped in unit sizes of 1.0 mg as a lyophilized powder, shipped at room temperature. To reconstitute the antibody before use, a glycerol buffer is included for convenience. This allows to re-freeze the antibody after use at -20°C, to keep the quality and/or to prepare aliquots, which can be stored at -20°C .
Content
1.0 mg Goat Anti-Donkey IgG ATTO430LS (H+L)
1.0 ml Glycerol buffer (add 0.5 ml to reconstitute the lyophilized antibody)
Buffer: 50% glycerol, 0.01 M sodium phosphate, 0.1 M sodium chloride, pH 7.4
Clonality
Polyclonal
Isotype
IgG
Purification notes
Affinity purification effectively removed all goat serum proteins, including immunoglobulins not specifically binding to donkey IgG. After conjugation to ATTO430LS the antibody was further purified by gel filtration, resulting in a highly pure and specific antibody.
Hypermol® secondary antibodies are highly specific and purified to remove unbound dye, minimizing background signal.
Storage instructions
Store as glycerol stock at -20°C. Avoid repeated freeze/thaw cycles.
Shipping conditions
Shipped at ambient temperature.
Remarks
For Use in Research only. Not for Use in Human or Veterinary Diagnostical or Therapeutical Applications.
CAS no.
Buffers and antibodies from Hypermol® are made of the ultrapure reagents in Milli-Q™ water, as described in our publications.