Guobing Xiang

7 Questions 295 Answers 0 Followers

Questions related from Guobing Xiang

Does anybody know the structure of RiboGreen and OliGreen for quantification of RNA?

Laurie J. Jones; Stephen T. Yue; Ching-Ying Cheung; Victoria L. Singer (1998). RNA Quantitation by Fluorescence-Based Solution Assay: RiboGreen Reagent Characterization. , 265(2), 368–374....

01 November 2023 216 0 View

MGB vs QSY/BHQ in quenching efficiency, which one is better?

I know MGB can bind and stabilize the duplex, but it should be low in extinction coefficient and Max. Ab.(nm). Does anybody know the quenching efficiency of MGB comapred to QSY/BHQ? Foy...

20 September 2023 7,058 0 View

Estimation of the # of molecules for detection in capillary electrophoresis of fluorescently labeled DNA?

Does any body know roughly estimation of the # of molecules for detection in capillary electrophoresis of fluorescently labeled DNA? There must be information in the literature. For Illumina...

28 February 2019 8,214 1 View

UV spectra of 5-TAMRA and 6-TAMRA from 230-400nm, finger print, anybody has it?

Does anybody have UV spectra of 5-TAMRA and 6-TAMRA from 230-400nm, the finger print region, in seperate single isomer. I only have 6-Tamra(?). I need to know it is 5 or 6-isomer. Try to search,...

01 February 2019 8,702 1 View

If a monomer has both alkene and alkyne on it, how can I control the polymerization only happening on the alkene , but not on the alkyne?

For example, N-(4-ethynylphenyl)acrylamide, can I carry out polymerization@specific condition on the double bond only, but keep the triple bond intact? Thank you very much!

26 May 2018 4,376 6 View

Does anybody know any company manufacture cyclic olefin polymers: COP (except Zeonex/Zeon)?

Want to try COP from different vendors! Is there any one in China? Thanks!

25 April 2018 8,930 2 View

Structures of SYBR dyes

Does anyone know the structures of SYBR Green II, SYBR Safe and SYBR Gold?

01 January 1970 7,774 2 View