SYBR Gold
SYBR Gold is an asymmetrical Cyanine, cyanine dye. It can be used as a stain for DNA, double-stranded DNA, DNA, single-stranded DNA, and RNA. SYBR Gold is the most sensitive Fluorophore, fluorescent stain of the SYBR family of dyes for the detection of Nucleic acid, nucleic acids. The SYBR family of dyes is produced by Molecular Probes, Molecular Probes Inc., now owned by Thermo Fisher Scientific SYBR Gold is more sensitive than ethidium bromide, SYBR Green I, and SYBR Green II for detecting various types of Nucleic acid, nucleic acids. SYBR Gold's superior sensitivity is due to the high fluorescence quantum yield of the dye-nucleic acid complexes (~0.6-0.7) and the dye's large fluorescence enhancement upon binding to Nucleic acid, nucleic acids (~1000-fold). SYBR Gold can detect as little as 25 pg of DNA which makes it >10-fold more sensitive than ethidium bromide for detecting Nucleic acid, nucleic acids in Denaturation (biochemistry), denaturing urea, Glyoxal, gyoxal, and formal ...
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Gram
The gram (originally gramme; SI unit symbol g) is a unit of mass in the International System of Units (SI) equal to one one thousandth of a kilogram. Originally defined as of 1795 as "the absolute weight of a volume of pure water equal to the cube of the hundredth part of a metre melting ice", the defining temperature (~0 °C) was later changed to 4 °C, the temperature of maximum density of water. However, by the late 19th century, there was an effort to make the Base unit (measurement), base unit the kilogram and the gram a derived unit. In 1960, the new International System of Units defined a ''gram'' as one one-thousandth of a kilogram (i.e., one gram is Scientific notation, 1×10−3 kg). The kilogram, as of 2019, is defined by the International Bureau of Weights and Measures from the fixed numerical value of the Planck constant (), which is kg⋅m2⋅s−1. Official SI symbol The only unit symbol for gram that is recognised by the International S ...
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