CelGreen nucleic acid gel stain *10,000× concentrate in water* is a fluorescent dye with a unique involvement that binds to all dsDNA double helix sulcus regions.In the free state, the side strand and CelGreen emit weak fluorescence, but the fluorescence is greatly enhanced once they are combined with the double-stranded DNA. Therefore, the fluorescence signal strength of CelGreen is related to the amount of double-stranded DNA, and the amount of double-stranded DNA in the PCR system can be detected according to the fluorescence signal.

Celfinder is a new kind of nucleic acid dye, which has the advantages of safety and sensitivity, and can be used as a dye for various kinds of nucleic acid electrophoresis.Unlike EB, which is highly carcinogenic, Celfinder is a flower-like dye with low to

CelGreen nucleic acid gel stain *10,000× concentrate in DMSO* is a fluorescent dye with a unique involvement that binds to all dsDNA double helix sulcus regions.In the free state, the side strand and CelGreen emit weak fluorescence, but the fluorescence is greatly enhanced once they are combined with the double-stranded DNA. Therefore, the fluorescence signal strength of CelGreen is related to the amount of double-stranded DNA, and the amount of double-stranded DNA in the PCR system can be detected according to the fluorescence signal.

1) Non-toxicity: The unique oiliness and high molecular weight characteristics of CelRed prevent it from penetrating cell membranes into cells, and Ames test results also show that the mutagenicity of CelRed dye is much less than EB. 2) High sensitivity:

1) Non-toxicity: The unique oiliness and high molecular weight characteristics of CelRed prevent it from penetrating cell membranes into cells. Ames test results also show that the mutagenicity of CelRed dye is much less than that of EB. 2) High sensitivi

SYBR Green I is an asymmetrical cyanine dye, which is used to detect nucleic acids. It consists of a N-alkylated benzothiazolium or benzoxazolium ring system, that is joined by a monomethine bridge to a pyridinium or quinolinium ring system. SYBR Green I binds to the minor groove of dsDNA and is excited at a wavelength of 480 nm. It has a peak fluorescence emission of 520 nm.

1) Non-toxicity: belong to flower-stem dye, easy to biodegrade, no carcinogenic toxicity. 2) High sensitivity: at least 100pg ssDNA or RNA can be detected, which is 25 ~ 100 times higher than EB staining. 3) High SIGNal-to-noise ratio: the sample fluorescence signal is strong, while the background signal is low. 4) Simple operation: like EB, the dye does not degrade in the prefabricated gel and electrophoresis process;The dyeing process after electrophoresis takes only 30 minutes without decoloring or washing, and can be observed directly with ultraviolet gel transmission or visible light transmission.

Nucleic Acid Dye Green I, a cell-impermeable fluorescent dye, is widely utilized for quantifying both dsDNA and ssDNA due to its excitation and emission peaks at 497 nm and 520 nm, respectively. Additionally, it finds applications in gene expression and RT-PCR assays.

Geldanamycin-FITC, a fluorescent probe derived from Geldanamycin, is applicable in fluorescence polarization assays to identify HSP90 inhibitors and can be employed to detect cell surface HSP90 [1] [2] [3]. It requires protection from light during storage.

H-Arg-4MβNA (H-Arg-4MbNA) is a peptide that serves as a substrate for cathepsin H. The enzyme activity is often detected in gel electrophoresis.