Does cleaning up cDNA after reverse transcription reduce late cycle background?

I've been wondering if removing the random primers from the reverse transcription reaction either with a column or precipitation before using it as a qPCR template reduces the background a bit in...

25 December 2020 6,258 4 View

How to find porosity of a sintered ceramic compact ?

I want to know the porosity of my sintered ceramic composite ? Please help me out

21 December 2020 4,343 6 View

Can I include multiple outcome measures of the same construct, from the same study, in a meta-analysis?

I am carrying out a meta-analysis that looks at cognitive inhibition as an outcome. A wide range of assessment types can be used for this outcome and sometimes a study will include two or three...

15 November 2020 7,055 1 View

Can anyone suggest me an industry working in Biostimulants ?

it would be very helpful if anyone would suggest industries working in biostimulants.

25 October 2020 5,824 2 View

How can we confirm the formation of solid solution by using EDX point analysis and elemental mapping ?

I fabricated a composite say AB and both are carbides ceramics having formula AC and BC. I did EDX point analysis and observed A (45 wt %) and B (28 wt %), Carbon (26 wt %) and Oxygen (1 wt %)....

20 October 2020 7,419 7 View

Docking Approach for Combinational Drugs?

Docking studies are simple when it is a one ligand-one protein approach. However, what is the protocol for studying the combinational effect of 2 drug molecules on a particular protein, where we...

02 October 2020 8,009 22 View

How do you use the span and wagner equation of state (EOS) to calculate the mass of CO2 in a given volume of cylinder?

I am trying to use the equation of state of pure CO2 to calculate the required mass of co2 that could be contained in a given volume of cylinder.

24 September 2020 5,581 2 View

Pooling multiple continuous variables from the same study?

I am looking to meta-analyze the differential effects of physical abuse and neglect on depression in a meta-analysis. If I come across a study the reports a correlation between a continuous...

24 September 2020 4,211 3 View

How to calculate sample size for 3 way Mixed Between Within Subjects ANOVA?

Hi all, I have been trying to figure out a way to calculate a priori sample size for a mixed anova. I have a study that uses 2 x 7 x 2. The last IV is within subjects. I appreciate any help....

23 September 2020 3,635 3 View

Should I subtract a blank if the measurement for the blank is below the limit of detection?

I am working with metabolite data from an experiment that looked at the exometabolome in filtrate of bacteria grown in a medium made with natural seawater. Because natural seawater is a complex...

15 June 2020 385 11 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

How can I improve the concentration of banana fruits extracted RNA?

Currently, I'm working with banana fruits. I've tried to do RNA extractions with different methods, and I've gotten total RNA without contamination, but I couldn't get a high concentration of...

22 February 2021 6,126 2 View

3T3-L1 cells, is this a bacterial contamination or a cross contamination with different cell line? or something else?

Hi, I am experiencing some difficulties with 3T3-L1 cells culturing recently. I am working with 3T3-L1 cells for almost 4 years now and have seen bacterial contaminations/ unhealthy cells and...

13 February 2021 4,040 3 View

What is the method of removing RNase contamination from a filter paper surface?

I am working on a biosensing project on paper substrate, however, it is found that the RNase contamination occurs on the filter paper. Might I ask is there any method to clean the paper surface...

12 February 2021 3,926 3 View

Macrophages in culture not growing/ dying or detaching . Why ?

Hello, I am an undergraduate student doing my dissertation, where I isolate PBMCs from leucocyte cones in order to plate monocytes and allow for macrophage differentiation. Although the numbers...

09 February 2021 5,334 8 View

Which fungicide are good for primary cells? Does it yeast contamination? How to get rid of them without killing the cells? How to get rid of spores?

Hello! Our lab is working with primary cells which we are isolating from the colorectal tissue. During the isolation, we are washing the tissue with pen-strep and then also add some pen-strep in...

07 February 2021 8,258 3 View

Moving bacteria-like organisms in my HEK293T cell culture?

Hi everyone, I have been culturing HEK293T cells that have been engineered to overexpress the mechanosensitive protein Piezo1. However, I am finding it very difficult to keep them in culture -...

02 February 2021 7,892 4 View

I want to extract engine oil from a soil sample,please how much amount of anhydrous sodium sulphate am i going to add to 10kg soil?

Engine oil extraction from contaminated soil,10kg of contaminated soil+20ml of dicholoromethane+? of anhydrous sulphate

01 February 2021 9,509 1 View

Non motile black dots in animal cell culture, tightly adhered to the cells along the cell periphery. Is it a contamination? How to get rid of them?

I am seeing non-motile black dots of almost equal size along the periphery of skin melanoma cell line A375. They are present in almost all the cells. They don't turn the media turbid. However...

18 January 2021 5,151 1 View

Cryopreservation of cancer cell lines @-80?

07 January 2021 5,410 8 View