446 Results for "

staining

" in MedChemExpress (MCE) Product Catalog:
Products (446)

446 Results for "staining" in MCE Product Catalog:

Cat. No.: HY-103240R
CAS No.: 863918-78-9
Methoxy-X04 (Standard) is the analytical standard of Methoxy-X04 (HY-103240). This product is intended for research and analytical applications. Methoxy-X04 is a fluorescent dye that crosses the blood-brain barrier and selectively binds to beta-pleated sheets found in dense core amyloid Aβ plaques. Methoxy-X04 retains in vitro binding affinity for amyloid b (Ab) fibrils (Ki= 26.8 nM). Methoxy-X04 is fluorescent and stains plaques, tangles, and cerebrovascular amyloid in postmortem sections of AD brain with good specificity .
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Cat. No.: HY-121075R
CAS No.: 3952-78-1
Alizarin complexone (Standard) is the analytical standard of Alizarin complexone (HY-121075). This product is intended for research and analytical applications. Alizarin complexone is a calcium-binding fluorescent dye. Alizarin complexone stains mineralized areas of bone by binding to calcium crystals. Alizarin complexone inhibits the reverse transcriptase activity of RAV-2, HIV-1, and RSV with IC50 values of 3.8 μg/mL, 45 μg/mL, and 100 μg/mL, respectively. Alizarin complexone exhibits antiviral activity against HIV-1 and RSV. Alizarin complexone delays RSV-induced tumor induction in chickens .
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Cat. No.: HY-D1804
Vari Fluor 680-Streptavidin is a dye marker of Vari Fluor-streptavidin consisting of labeling streptavidin with a Vari Fluor series of fluorescent probes. Streptavidin is a high-affinity tetramer protein, each tetramer consisting of four identical streptavidin subunits. Streptavidin binds to biotin specifically via a reversible non-covalent effect. Streptavidin can achieve rapid and efficient detection of biotin markers, and is often used in immunofluorescence (IF), enzyme-linked immunosorbent assay (ELISA), immunohistochemical staining (IFH), in situ hybridization (ISH) and other experiments. Ex/Em=680 nm/701 nm.
Product Concentration: 0.8 mg/mL
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Cat. No.: HY-D1805
Vari Fluor 647-Streptavidin is a dye marker of Vari Fluor-streptavidin consisting of labeling streptavidin with a Vari Fluor series of fluorescent probes. Streptavidin is a high-affinity tetramer protein, each tetramer consisting of four identical streptavidin subunits. Streptavidin binds to biotin specifically via a reversible non-covalent effect. Streptavidin can achieve rapid and efficient detection of biotin markers, and is often used in immunofluorescence (IF), enzyme-linked immunosorbent assay (ELISA), immunohistochemical staining (IFH), in situ hybridization (ISH) and other experiments. Ex/Em=650 nm/665 nm.
Product Concentration: 0.8 mg/mL
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Cat. No.: HY-D1807
Vari Fluor 555-Streptavidin is a dye marker of Vari Fluor-streptavidin consisting of labeling streptavidin with a Vari Fluor series of fluorescent probes. Streptavidin is a high-affinity tetramer protein, each tetramer consisting of four identical streptavidin subunits. Streptavidin binds to biotin specifically via a reversible non-covalent effect. Streptavidin can achieve rapid and efficient detection of biotin markers, and is often used in immunofluorescence (IF), enzyme-linked immunosorbent assay (ELISA), immunohistochemical staining (IFH), in situ hybridization (ISH) and other experiments. Ex/Em=555 nm/565 nm.
Product Concentration: 0.8 mg/mL
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Cat. No.: HY-D1809
Vari Fluor 405-Streptavidin is a dye marker of Vari Fluor-streptavidin consisting of labeling streptavidin with a Vari Fluor series of fluorescent probes. Streptavidin is a high-affinity tetramer protein, each tetramer consisting of four identical streptavidin subunits. Streptavidin binds to biotin specifically via a reversible non-covalent effect. Streptavidin can achieve rapid and efficient detection of biotin markers, and is often used in immunofluorescence (IF), enzyme-linked immunosorbent assay (ELISA), immunohistochemical staining (IFH), in situ hybridization (ISH) and other experiments. Ex/Em=405 nm/431 nm.
Product Concentration: 0.8 mg/mL
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Cat. No.: HY-D3417
CAS No.: 157199-57-0
Target:  

Fluorescent Dye

Research Areas:  

Others

BO-TAP-1 is a cell-impermeable cyan fluorescent carbocyanine monomeric nucleic acid dye that can be used for microarray nucleic acid staining, multicolor fluorescent labeling of cell nuclei and chromosomes, cell detection and counting, and flow cytometry. BO-TAP-1 is non-fluorescent in the absence of nucleic acids, but its fluorescence is significantly enhanced upon binding to double-stranded DNA. The maximum excitation and emission wavelengths of the BO-TAP-1–DNA complex are 454 nm and 487 nm, respectively. BO-TAP-1 can be used in research related to nucleic acid detection and cell analysis.
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Cat. No.: HY-DY1009
CAS No.: 150347-59-4
CFDA-SE (solution) is a fluorescent dye that can penetrate the cell membrane. It can react with the free amine group in the cytoskeleton protein inside the cell, and finally form a protein complex with fluorescence. After entering the cell, CFDA-SE locates in the cell membrane, cytoplasm and nucleus, and the fluorescence staining is strongest in the nucleus . CFDA-SE dye can be uniformly inherited by the cells with cell division and proliferation, and its attenuation is proportional to the number of cell divisions. This phenomenon can be detected and analyzed by flow cytometry under the excitation light of 488 nm, and can be used to detect the proliferation of cells .
Solvent and concentration: DMSO: 5 mM
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Cat. No.: HY-DY1015
CAS No.: 104821-25-2
Dihydroethidium (solution) , also known as DHE, is a peroxide indicator. Dihydroethidium penetrates cell membranes to form a fluorescent protein complex with blue fluoresces. After entering the cells, Dihydroethidium is mainly localized in the cell membrane, cytoplasm and nucleus, and the staining effect is the strongest in the nucleus. Dihydroethidium produces inherent blue fluorescence with a maximum excitation wavelength of 370 nm and a maximum emission wavelength of 420 nm; after dehydrogenation, Dihydroethidium combines with RNA or DNA to produce red fluorescence with a maximum excitation wavelength of 300 nm and a maximum emission wavelength of 610 nm. 535 nm can also be used as the excitation wavelength for actual observation .
Solvent and concentration: DMSO: 5 mM
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Cat. No.: HY-DY1026
ER-Tracker dye is a derivative of BODIPY series dyes coupled with Glibenclamide (HY-15206) , highly selective binding to the endoplasmic reticulum, non-toxic to cells at low concentrations, this type of dye is an environmentally sensitive probe, and formaldehyde treatment can still retain part of the fluorescence, with high fluorescence life, good extinction coefficient and other characteristics. Glibenclamide is an atp-dependent K + channel blocker (Kir6, KATP) and CFTR Cl-channel blocker that binds in the endoplasmic reticulum. ER-Tracker is not suitable for staining cells after fixation. Ex/Em=587/615 nm .
Solvent and concentration: DMSO: 1 mM
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Cat. No.: HY-W009411S
CAS No.: 2108149-00-2
Dansyl hydrazine- 13C2 is the 13C-labeled Dansyl hydrazine (HY-W009411). Dansyl hydrazine is a carbohydrate-specific fluorescent dye (Ex/Em = 340 nm/525 nm). Dansyl hydrazine undergoes a condensation reaction with aldehyde groups generated by periodate oxidation on carbohydrate-containing structures to form fluorescent hydrazone compounds. Dansyl hydrazine selectively stains polysaccharides in formalin-fixed, paraffin-embedded human post-mortem brain tissues, revealing detailed structural features. Dansyl hydrazine is applicable to research related to Alzheimer's disease, Lafora disease, and polyglucosan body disease.
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Cat. No.: HY-W110927
CAS No.: 130-22-3
Alizarin red S indicator (C.I. 58005) is a reductively active (quinone-based) anthraquinone dye that forms complexes with metal ions (such as zirconium, calcium) or boric acid to label calcium deposition and perform electrochemical sensing functions. Alizarin Red S undergoes reversible redox reactions (for electrochemical detection) and irreversible chelation (for bone staining). Alizarin Red S is mainly used in bone metabolism research (labeling mineralized tissue), sugar detection (boric acid-sugar competition system) and metal ion sensing (such as zirconium ion detection), and can be used in osteoporosis and metabolic disease research .
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Cat. No.: HY-W800699
CAS No.: 2644752-85-0
BP Fluor 430 DBCO reacts with azides via a copper-free click chemistry reaction to form a stable triazole and does not require a Cu-catalyst or elevated temperatures. In applications where the presence of copper is a concern, BP Fluor 430 DBCO is an ideal alternative to copper requiring fluorescent alkynes. BP Fluor 430 is a bright, photostable, green-fluorescent probe optimally excited near its absorption maximum at 432 nm. Its emission peak at 539 nm is pH independent over a wide pH range. BP Fluor DBCO reagent is not suitable for staining intracellular components of fixed and permeabilized cells due to high backgrounds.
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Cat. No.: HY-107864
CAS No.: 15905-32-5
Purity:  99.07%
Synonyms: Erythrosin extra bluish free acid; Tetraiodofluorescein
Research Areas:  

Infection

Erythrosine B free acid​ (Erythrosin extra bluish free acid; Tetraiodofluorescein) is a visible red dye and insecticide with colorimetric and fluorescent properties. Erythrosine B free acid serves as a membrane-impermeant live-cell dye for Gram-positive and Gram-negative bacteria, primarily staining dead cells with damaged plasma membranes. Erythrosine B free acid exhibits photosensitive larvicidal toxicity against Culex pipiens quinquefasciatus larvae. Erythrosine B free acid is used in live/dead bacterial assays in colorimetric and fluorescent measurements for low-, medium-, and high-throughput experiments, as well as in research related to mosquito-borne diseases and food coloring .
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Cat. No.: HY-107864A
CAS No.: 12227-78-0
Synonyms: Erythrosin extra bluish aluminum; Tetraiodofluorescein aluminum
Research Areas:  

Infection

Erythrosine B aluminum​ (Erythrosin extra bluish aluminum; Tetraiodofluorescein aluminum) is a visible red dye and insecticide with colorimetric and fluorescent properties. Erythrosine B aluminum serves as a membrane-impermeant live-cell dye for Gram-positive and Gram-negative bacteria, primarily staining dead cells with damaged plasma membranes. Erythrosine B aluminum exhibits photosensitive larvicidal toxicity against Culex pipiens quinquefasciatus larvae. Erythrosine B aluminum is used in live/dead bacterial assays in colorimetric and fluorescent measurements for low-, medium-, and high-throughput experiments, as well as in research related to mosquito-borne diseases and food coloring .
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Cat. No.: HY-D0932
CAS No.: 85-83-6
Synonyms: Solvent Red 24; C.I. 26105
Sudan IV is an agonist of the aryl hydrocarbon receptor (AhR) that activates downstream signaling pathways and induces CYP1A1 expression. Sudan IV promotes CYP1A1 gene transcription by activating AhR-ARNT heterodimers and binding to exogenous response elements (XREs) on DNA, thereby enhancing drug metabolizing enzyme activity. Sudan IV can be used to study the toxicity mechanisms of industrial dyes and the effects of interactions with serum proteins (such as bovine serum albumin (BSA)) on their distribution in vivo. Sudan IV is a fat-soluble diazo dye that can be used to stain lipids, triglycerides, and lipoproteins on frozen sections .
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Cat. No.: HY-D1570
CAS No.: 158757-79-0
BODIPYFL C12 is a BODIPY dye. BODIPY dye is a small molecule dye with strong ultraviolet absorption ability, its fluorescence peak is relatively sharp, and the quantum yield is high. They are relatively insensitive to the polarity and pH of the environment and are relatively stable under different physiological conditions. Due to its structural asymmetry, BODIPY derives a variety of structural products. BODIPY lipid droplet dyes can well pass through the cell membrane into the cell, and localize the neutral lipids in the cell to specifically stain the lipid droplets, which can be used for labeling of live cells and fixed cells . Maximum excitation/emission wavelength: 480/508 nm .
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Cat. No.: HY-D3179
CAS No.: 1451048-96-6
CDg13 is a fluorescent probe that specifically detects living neural stem/progenitor cells. CDg13 localizes to the endoplasmic reticulum via its dihexyl moiety, with no interaction with endoplasmic reticulum biomolecules. CDg13 undergoes selective efflux by active ABCG2 transporters, with increased intracellular accumulation following ABCG2 inhibition or knockdown. CDg13 isolates and enriches self-renewable neural stem/progenitor cells from embryonic mouse brain tissue, stains neural stem/progenitor cells brightly, and sorts ABCG2low cell populations from heterogeneous populations . (Ex/Em = 520/553 nm)
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Cat. No.: HY-P11936
CAS No.: 2244402-11-5
Research Areas:  

Cancer

GPC3 targeting peptide 2 is a glypican-3 (GPC3) targeting peptide that binds specifically to GPC3 with a Kd of 39.5 nM. GPC3 targeting peptide 2 can be conjugated to IRDye800 via a GGGSC linker for near-infrared fluorescence and photoacoustic imaging, with a tumor-to-adjacent liver fluorescence intensity ratio of approximately 2-fold. GPC3 targeting peptide 2 shows high specificity for immunofluorescence staining of HCC specimens. GPC3 targeting peptide 2 can be used in studies related to GPC3-targeted molecular imaging and early detection of hepatocellular carcinoma .
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Cat. No.: HY-D0788R
CAS No.: 518-67-2
Dimidium bromide (Standard) is the analytical standard of Dimidium bromide (HY-D0788). This product is intended for research and analytical applications. Dimidium bromide is a phenanthridine cationic fluorescent dye with trypanocidal activity and antibacterial activity. Dimidium bromide is a nucleic acid intercalating binding molecule that can bind both DNA and RNA, and its fluorescence signal is significantly enhanced upon binding; it can inhibit the biosynthesis of DNA and RNA. Dimidium bromide can stain the nucleoplasm and nucleoli of various living plant leaf cells, with a fluorescence emission peak at 600 nm under an excitation wavelength of 525 nm. Dimidium bromide can be used in fluorescence imaging-related research .
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