What makes enterococcus so acid stable?
What is the reason of such specific orientated route of transmission?
01 January 1970 7,637 1 View
Mycolic acid is responsible for acid fastness. Mycolic acid by nature is a lipid rich material which must be washed when bacteria is treated with alcohal. Then what makes it alcohal fast?
01 January 1970 7,141 1 View
Ricketssia affect endothelium and due to its damage it causes maculopapular rashes but why they doesn't happen on face,sole,palms?
01 January 1970 9,203 4 View
What is the reason of this predilection?
01 January 1970 9,739 2 View
Do G6PD deficiency harmfull for all cells? Why we only talk about rbc when it comes to G6PD deficiency?
01 January 1970 7,837 6 View
What are Non collagenous domains of Collagen? And why are they called so?
01 January 1970 1,637 3 View
Facial nerve prolapse reasons?
01 January 1970 1,378 3 View
How are names given to drugs? Is there any online site where i can get to know the origin of name of the drugs?
01 January 1970 6,320 5 View
How do a drug inhibit a metabolising enzyme? Is it due to decreased expression of gene producing enzyme?
01 January 1970 9,693 4 View
Why fungus change its morphology with temprature and how is this really happening?
01 January 1970 2,382 3 View
I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...
03 March 2021 3,661 2 View
I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...
02 March 2021 4,443 2 View
Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...
01 March 2021 8,766 3 View
I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??
28 February 2021 2,153 1 View
hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...
27 February 2021 3,882 3 View
I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...
25 February 2021 2,225 5 View
The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...
23 February 2021 2,049 3 View
To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...
23 February 2021 7,326 5 View
How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?
23 February 2021 3,053 7 View
I am using the Folin-Ciocalteu method for analysis of total phenolic content in ripe strawberries. I've read several protocol that suggest a methanol/H2O/formic acid (80:19:1) extraction solution....
22 February 2021 6,560 3 View