显示 37-63 个结果(共 63 个结果)

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AK stereo microscope universal stand

AK stereo microscope universal stand

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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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MIC-TN300 biological microscope

MIC-TN300 biological microscope is newly designed student's microscope with good resolution
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Micrometer

Microscope micrometers

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Microscope LED fluorsecent light

Microscope LED fluorsecent light

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Microscope prepared slide

All kinds of prepared slides metallurgical prepared slides polarizing prepared slides biological prepared slides plastic prepared slides medical clinical prepared slides
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NIKON fluorescent microscope cube

NIKON fluorescent microscope cube

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Olympus fluorescent microscope cube

Olympus fluorescent microscope cube

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Texas Red single band Fluorescence Filter Set

Texas Red Fluorescence Filter Set

Texas Red is a red fluorescent dye , used in histology for staining cell specimens, for sorting cells with fluorescent-activated cell sorting machines, in fluorescence microscopy applications, and in immunohistochemistry . Texas Red fluoresces at about 615 nm, and the peak of its absorption spectrum is at 589 nm. Solutions can be excited by a dye laser tuned to 595-605 nm, or less efficiently a krypton laser at 567 nm. It is commonly used in molecular biology techniques like quantitative RT-PCR and cellular assays.
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TRITC single band Fluorescence Filter Set

TRITC Fluorescence Filter Set

Tetramethylrhodamine (TRITC) is the base rhodamine molecule functionalized with an isothiocyanate group ( -N=C=S ), replacing a hydrogen atom on the bottom ring of the structure. It is a bright orange-fluorescent dye with excitation ideally suited to the 532 nm laser line. It is commonly conjugated to antibodies and proteins for cellular imaging applications.
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YFP single band Fluorescence Filter Set

YFP single band Fluorescence Filter Set

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Z serials Microscope moving scale

Z serials Microscope moving scale