UV Crosslinkers
UV Crosslinkers enable the nearly permanent fixation of biomolecules using UV light, mainly during molecular biology sample preparation for crosslinking nucleic acids and proteins.
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UV Crosslinkers
UV Crosslinkers enable the nearly permanent fixation of biomolecules using UV light, mainly during molecular biology sample preparation for crosslinking nucleic acids and proteins.
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Guide and selection support
UV Crosslinkers are widely used in molecular biology laboratories for binding biomolecules to membranes or in samples with ultraviolet light sources. Common applications include sample fixation in Western blotting, nucleic acid analysis, and other biochemical procedures.
When selecting a UV Crosslinker, key factors include the UV wavelength and intensity, irradiation area, and available features such as programmable timers. Compatibility with the sample formats used is also important.
LabFinder supports targeted searching and selection of UV Crosslinker equipment with clear product information and comparison options for the molecular biology laboratory.
Use and benefits
UV Crosslinkers are used in molecular biology labs to crosslink biomolecules such as DNA, RNA, and proteins with ultraviolet radiation. This fixation primarily occurs on membranes or filter materials, for example in methods like Western blotting, Southern or Northern blotting. Crosslinking ensures stable binding of molecules to the surface and prevents sample loss or diffusion during subsequent analysis steps.
Selection criteria
Key considerations for choosing a UV Crosslinker include UV wavelength and intensity, irradiation area, user interface, and programmability of exposure time. Compatibility with sample containers and membrane sizes is also relevant. Devices can offer various power levels and options, tailored to specific protocols and laboratory requirements.
Variants and measurement principles
UV Crosslinkers typically operate with short-wave UV-C radiation (most often at 254 nm), which enables crosslinking of biomolecules via photoinduced covalent bonds. Variants include different power ratings and irradiation areas, from compact benchtop units to models suitable for larger membranes. Most units feature timers for precise control of exposure duration.
Calibration and maintenance
Routine cleaning of the irradiation chamber is necessary to ensure consistent UV transmission. The UV light source should be checked and replaced according to manufacturer guidelines, as output decreases over time. Calibration services can ensure accurate UV dose delivery.
Application limits
UV Crosslinkers are intended for laboratory use and are mainly suited for fixing and crosslinking surface-level samples. The irradiation only penetrates surface layers, limiting effectiveness for thicker or complex samples. UV radiation is also hazardous to health, so appropriate safety measures must be observed during use.
Search terms and related terms
Synonyms and related search terms such as UV crosslinking device, UV fixation unit, UV crosslinker, UV sample crosslinker, UV light crosslinking unit, UV curing device, UV treatment unit, and UV-Crosslinker help refine product searches in molecular biology laboratory supplies.
Also known as
UV crosslinking device
UV fixation unit
UV sample crosslinker
UV light crosslinker
UV curing device
UV treatment unit
UV-Crosslinker
UV crosslinking instrument
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Frequently asked questions
How does a UV Crosslinker work and what is it used for?
UV Crosslinkers use ultraviolet light, usually in the UV-C range around 254 nm, to bond biomolecules such as DNA, RNA, or proteins to membranes or within samples through the formation of covalent bonds. This stabilizes samples for downstream analysis methods such as blotting or hybridization.
What types of UV Crosslinker equipment are available?
Devices differ primarily in irradiation area, UV output, and programmable exposure control. There are compact benchtop units for small samples or larger devices for membranes or processing multiple samples simultaneously.
What criteria are important when choosing a UV Crosslinker?
Essential criteria include UV wavelength and intensity, irradiation area, ease of use, available timer functions, and compatibility with the sample formats used in your laboratory.
How are UV Crosslinkers maintained and serviced?
Regular cleaning of the irradiation chamber is important to maintain UV transparency. The UV light source should be checked and replaced as recommended by the manufacturer because intensity declines over time. Calibration ensures measurement accuracy.
What are the limitations and safety aspects of using a UV Crosslinker?
UV radiation is primarily surface-active and poses health risks to users. Safety measures such as closed irradiation chambers and operator protection are mandatory. The technology is also limited to surface crosslinking rather than deep tissue or thick sample crosslinking.
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