Is there any miRNA fluorescent labeling kit (or methods) that does not affect (add) the length of the miRNA?

I want to label my target miRNA and see the miRNA trafficking. But I don't want to use any plasmid or radioactive label. I need the fluorescent label that will not affect the length of my...

06 December 2020 8,471 3 View

How to create the logistic regression calibration curve in SPSS?

I am developing a prediction model using logistic regression in SPSS. To test model performance I am interested in calibration and discrimination. I use the Hosmer and Lemeshow test as an...

31 October 2020 9,790 11 View

Can too much of Tris-Cl buffer inhibit PCR?

I accidentally resuspended my stock primers (100 uM) in tris-Cl (pH 8.0) 1 M instead of 10 mM. I do PCR with 20 uM dilution from the stock. Will the high concentration of Tris-Cl inhibit PCR? I...

12 July 2020 2,971 10 View

Does hot KOH react with zirconia?

Hot KOH destroy many materials like alumina or glass.. So, can I use zirconia(ZrO2) boat for KOH activation of carbon nanoparticle experiments?

09 April 2020 800 1 View

Paired t-test or Independent samples t-test?

Hi, I am working on the home advantage. And examining the difference of a player's performance between playing at home and away. However, the sample size is different because the player played...

24 February 2020 7,053 3 View

What micro-injectors or micro-capillary devices are efficient for creating pools of spherical cells?

Our lab is interested in acquiring a micro-injector or micro-capillary device (microliter scale) that can be used to efficiently pool spherical cells (~25um) into groups of 10, 100, and 1000....

13 May 2019 5,823 1 View

Is it possible to wash PPFE slides that have been put through fluorescent reaction and stain them again?

I have some 3 year old PPFE slides of human brain that have been reacted with primary antibodies then reacted with Alexa Fluor secondary antibodies. The DAPI on the slides is still visible but the...

02 May 2019 7,390 2 View

What type of statistical tests on SPSS should I use for my study?

Hi I am carrying out a study investigating the association between age and password strategies among online users. I have collected my data, and inputted it on SPSS, however, I am not sure which...

10 December 2018 1,002 7 View

Can docking be used to predict a peptide's target receptor?

Let's say I have an array of receptors. Given a peptide, can protein-peptide docking be used in predicting the peptide's target among the receptors? If so, how? If not, why? Can you recommend me...

24 July 2018 3,569 4 View

Fc block not working for Flow Cytometry?

Good day all! I would greatly appreciate help with the following issue: Our lab is trying to characterize mouse lymphocytes for Tbet, EOMES, and PD-1. When I ran the samples the first time, the...

28 March 2018 1,225 3 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Is there any teachers based in UK who would like to take part in my study?

24 February 2021 4,833 3 View

Universal bacterial primers targeting a mRNA?

Hi, I'm looking for universal primers targeting a bacterial mRNA to quatify bacterial load by qPCR in a complexe mixture (eukaryote and prokaryote RNA). Ribosomal RNA being depleted, I absolutly...

22 February 2021 9,969 3 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

Could you please share your experience with me on the type of 96 wells plate for MIC determination: Treated Vs Untreated and Round-Vs Flat-bottomed?

I am working on the MIC determination of various antibacterial agents (both water-soluble and- insoluble) against S. aureus, MRSA, and S. pyogenes. Some guidelines recommend using round-bottomed...

17 February 2021 7,029 3 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

How much amount of DNA (ligation mix) should I use for transformation?

Hi Fellow Scientists! I am trying to clone my 300 bp insert into a 6 kb vector. I run a few different ligation reactions using (1:3 vector: insert molar ratios) 10, 20,30, and 40 ng/ul vector...

15 February 2021 9,563 6 View

Despite single-cell RNA, how can I characterize a new cell subtype/phenotype?

A new cell subtype was found out only during regeneration phases after a cuprizone-induced demyelination model. How can I characterize this cell? It is important to highlight that was already...

13 February 2021 1,245 1 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

Does diseases like fungal,bacterial etc of rice plant is different from nutrient deficiency diseases?how deep learning is used except classification?

can any one suggest me other than classification, how deep learning technique can be used in plant disease detection in rice plant? could a research work continued from fungal,bacterial...

07 February 2021 470 2 View