Why my sulfur solution turn to green color?

I have prepared a solution of sulfur, and at the beguining it was yellow. Suddenly it turn green color Why? The pH continue same

11 December 2017 6,584 5 View

Which method is more suitable for screening of hemoglobinopaty?

Which method is more suitable for screening of hemoglobinopaty

04 May 2017 1,041 3 View

How much one review receive (paid) for one paper revision?

How much one review receive (paid) for one paper revision?

03 April 2017 1,356 0 View

There someone want to cooperate in discovering new method for parasite detection in clinical samples?

01 February 2016 5,197 0 View

Any reference about juice composition?

Hi. Is there any reference about juice composition. Specifically classification according composition (water....)

31 December 2015 3,242 0 View

Does anyone know the price of Sysmex automatic haematology kx21?

11 December 2015 4,908 4 View

Protocol for plant extration?

Any protocol for plant extraction and antimicrobial properties?

10 November 2015 8,743 0 View

Can I use B actin to compare gene expression in bacteria?

08 September 2015 2,168 5 View

How do I solve a microrbial contamination in cell culture?

I need to inoculate my cells in rat. However the culture has some bacterial contamination We use some antibiotic, however at beguin has effect, but now we observed some bacterial growth again What...

08 September 2015 8,741 11 View

Which method you use to check the deformability?

which method you use to check the deformability?

01 January 1970 2,845 2 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

Looking for advices and tips to improve the staining and the gating strategy in human blood?

Hi, I am staining a human blood with CD19, CD3,CD14 and CD16. My gating strategy in FlowJo goes like this: - First, I gate a general population SSC-A VS FSC-A => Then gate for single cells, =>...

21 February 2021 5,724 4 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

Would using an asRNA for repressing transcription of a high expression Listeria monocytogenes non-coding RNA harbored in a plasmid be a viable option?

Hello all, I am interested in deleting a highly expressed non-coding RNA located on a Listeria monocytogenes plasmid. Currently, there are not any optimized gene deletion methods for Listeria...

09 February 2021 4,994 1 View

Review Papers regarding transcriptional regulations & promoter types/classes in Gram positive bacteria?

Dear fellow researchers, Could you please suggest me excellent review papers discussing transcriptional regulations and/or promoter classes in Gram positive bacteria? Thank you so much for your help!

08 February 2021 6,909 3 View

Flexibility of RNAseq?

When you use RNAseq I understand that it must follow certain conditions when you use it. One of them is the insertion of a polyA tail. The insertion of the polyA must include then...

05 February 2021 3,770 4 View