Can anybody suggest from where will I get methyl farnesoate ,a crustacean hormone?

Which detection method is better for an ELISA-based assay: colorimetric or fluorometric?

Hello, I am planning to perform an ELISA-based assay to quantify the percentage of genomic methylation (5-methylcytosine) in human embryonic stem cells. I've been searching for some kits and I...

16 February 2021 8,389 3 View

How do I prepare and store insect samples for JH measurements?

I need to preserve termite samples for future quantification of juvenile hormone in their bodies. Or extract the Juvenile Hormone and keep that samples stored for future quantification. I may need...

09 February 2021 1,995 1 View

Would bisulfide sequencing result be affected if the tissue is fixed by perfusion?

I am looking into DNA methylation of mice as an aging marker along with other assays and recently I added brain IF to the list of assays. For this, I need to fix the brain by transcardial...

09 February 2021 9,012 3 View

P53 detection in methylated and non methylated samples?

Hello everyone. I am about to search for the expression of genes including p53 in methylated and non methylated HPV samples. Should I extract DNA from the methylated samples and use SYBR green...

04 February 2021 2,749 3 View

What species (or genus even) of crab is this (bivalve using hermit type)?

Two weeks ago I found a peculiar crab in the intertidal zone in SW Florida. when found, the crab was not utilizing a shell. It was similar shaped to porcelain crabs found in our area, but with...

17 January 2021 1,620 4 View

Can someone explain why a methyl in phentolamine mesylate presents two correlations for 13C-HSQC, around the region it should appear?

Instead of appearing one single correlation of the signal of the carbon at 20.9 ppm (#11 in the attached figure), aligned to hydrogen at 2.29 ppm, it appeared two correlations (2,32 and 2,26 ppm)....

16 January 2021 4,774 2 View

Do I need to make a special plasmid for bisulfite methylation test?

I have an inducible expression of the enzyme in a newly derived bacterial strain, and methylation may be affected. I want to test methylation efficiency with a bisulfite kit. The kit is the EZ DNA...

06 January 2021 7,218 2 View

Any Custom Peptide Synthesis Companies In India? Custom Peptides Manufacturing Lab in India?

We are looking for many Custom Peptides in India, with good quality for our Bio-pharmaceutical research. Please suggest us best Custom Peptide Synthesis and Service Providers from India? Expecting...

31 December 2020 6,516 7 View

HPLC separation for methyl salicylate, camphor, thymol and menthol?

I have been recently trying to develop a method to separate the above compounds. Most methods tried were adapted from literature using RP C8 or C18 column with ACN/MeOH and buffered water at pH 2...

28 December 2020 4,426 6 View

How to read an HPLC report?

I have four HPLC graphs (for methyl ethyl ketone (MEK) and sulfuric acid and little organic monomers) and I want to analyze them. Is there anyone who can help me with this?

23 December 2020 6,180 3 View

Peter P. Fong

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