显示 37-72 个结果(共 151 个结果)

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A-2I dark field condenser dry oil

A-2I dark field condenser dry oil

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AK stereo microscope universal stand

AK stereo microscope universal stand

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All kinds of DSLR adapter for microscopes

All kinds of DSLR adapter for microscopes

For all China made microscopes ZEISS LEICA OLYMPUS NIKON MICROSCOPES
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BFP single band Fluorescence Filter Set

BFP single band Fluorescence Filter Set

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CY3 single band Fluorescence Filter Set

CY3 single band Fluorescence Filter Set

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CY5.0 single band Fluorescence Filter Set

CY5.0 single band Fluorescence Filter Set

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CY5.5 single band Fluorescence Filter Set

CY5.5 single band Fluorescence Filter Set

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Cyan Fluorescent Protein (CFP) single band Fluorescence Filter Set

Cyan Fluorescent Protein (CFP) single band Fluorescence Filter Set

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DAPI single band Fluorescence Filter Set

DAPI single band Fluorescence Filter Set

DAPI (4′,6-diamidino-2-phenylindole) is a blue-fluorescent DNA stain  that binds strongly to A-T rich regions in DNA. As DAPI can pass through an intact cell membrane, it is commonly used as a nuclear counterstain in fluorescence microscopy, flow cytometry, and chromosome staining.
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DAPI-FITC-Texas Red Fluorescence Filter Set

DAPI-FITC-Texas Red Fluorescence Filter Set

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DAPI-FITC-TRITC Fluorescence Filter Set

DAPI-FITC-TRITC Fluorescence Filter Set
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FISH Aqua Set Fluoresecent filter

FISH Aqua Set Fluoresecent filter

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FISH Green-BP01A Fluoresecent filter

FISH Green-BP01A Fluoresecent filter

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FISH Orange-BP02A Fluoresecent filter

FISH Orange-BP02A Fluoresecent filter

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FISH Red-BP01A Fluoresecent filter

FISH Red-BP01A Fluoresecent filter

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FITC single band Fluorescence Filter Set

FITC Fluorescence Filter Set

Fluorescein isothiocyanate (FITC)  is the original fluorescein molecule functionalized with an isothiocyanate reactive group (-N=C=S), replacing a hydrogen atom on the bottom ring of the structure. It is the most common fluorescent reagents for biological research because of their high absorptivity, excellent fluorescence quantum yield, and good water solubility.FITC has excitation and emission spectrum peak wavelengths of approximately 495 nm/519 nm.
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GFP single band Fluorescence Filter Set

GFP single band Fluorescence Filter Set

The green fluorescent protein ( GFP ) is a protein composed of 238 amino acid residues that exhibits bright green fluorescence when exposed to light in the blue to ultraviolet range. It is can be excited by the 488 nm laser line and is optimally detected at 510 nm. The biggest advantage of GFP is that it can be heritable, depending on how it was introduced, allowing for continued study of cells and tissues it is expressed in. Visualizing GFP is noninvasive, requiring only illumination with blue light. To date, GFP has been expressed in many species, including bacteria, yeasts, fungi, fish and mammals, including in human cells.
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Inverted microscope big stage 317

Inverted microscope big stage 317

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Inverted microscope mechanical stage Y

Inverted microscope mechanical stage Y

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LEICA microscope adapter C-mount

LEICA microscope adapter C-mount

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M serials Metallurgical microscope nosepiece

M serials Metallurgical microscope nosepiece

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Metallurgical microscope big mechanical stage Y

Metallurgical microscope big mechanical stage Y