Does anyone have the standard curve of IAA, Please ?

Dear All, I would like if someone can send me a standard curve of IAA (Indol 3 acetic acid) Thank you

06 July 2019 1,942 3 View

Where can I perform an HPLC for bioactive compounds please ?

I am searching a lab that has HPLC facility to help me to characterize bioactive compounds which is the next step in my research project.

08 September 2018 3,846 3 View

What's new in Applied Biology ?

Projects and Methods

11 December 2016 1,864 0 View

How to dissolve and sterilize L-Tryptophan for IAA colorimetric assay ?

Dear all, I want to know please : 1)- How to dissolve L-Tryptophan since it is unsoluble in ethanol. Sme suggested me to use NaOH, would you please telle me what concentration of NaOH suould I...

01 January 1970 9,754 1 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

Does PHA-P stimulate the proliferation of lymphocytes from mice?

Hello, I will start performing MLR using lymphocytes from mice's spleen and I would like to know the better way for the stimulation. If is using PHA-P or CD3/CD28? I would like to know as well if...

23 February 2021 5,476 4 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

Can one use just 250 micron sieve & still get a good number of mycorrhizal spores from the soil?

In a situation where one cannot get the appropriate & separate levels of sieve for mycorrhizal survey work, can just one level of sieve give good results & spore counts?

13 February 2021 3,760 2 View

Books on Monte Carlo methods?

Hi everyone. I took a basic course on Markov Chains, and know a little about Monte Carlo Stimulations and Methods. But I never got to the part of spreadsheets. If anyone can help direct me to a...

13 February 2021 5,261 3 View

How to make Fast Green FCF from powder?

Hi everyone We need Fast Green to electroporate plasmid into mice embryos, therefore we simply need it to see some color in the liquid we are electroporating so that electroporation is more...

07 February 2021 1,671 2 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