Which is the approximate time period of peak mitotic activity in an Allium cepa root?

More Neethu Kannan B's questions See All

Ethylene glycol is newtonian or non newtonian fluid?

Some sources say it is treated as Newtonian as ethylene glycol has a higher viscosity than water, which affects the flow characteristics in simulations. But some also say it is non-Newtonian.

09 August 2024 2,111 2 View

What can be the minimum number of animals (rats) to be used for a pilot/preliminary study on intradermal drug delivery?

Dear All I would like to know the minimum number of animals (rats) to be studied for a pilot/preliminary research on intradermal drug delivery. Can I proceed with 1 animal per group for a pilot work?

02 August 2024 4,570 1 View

Can any of you suggest how to find the detection limit.?

I am working on flourescence sensing of heavy metals using quantum dots.Can any of you suggest how to find the detection limit. Whether it is calculated from formula or we can get from instrument?

19 July 2024 7,411 3 View

Can anyone suggest me the questionnaire along with scoring key to assess the mental health wellbeing of the college faculty?

I am Ruthra, and I have been working as a psychologist for the past 10 years. Now, I'm interested in conducting research and I would like to conduct a survey on mental health and wellbeing among...

15 July 2024 4,119 4 View

Cloning of flaviviruses is difficult i have noticed that cells loose their transformation ability after cloning fragments inside vector any advice?

As flaviviruses genome is very frequently prone to mutation hence it is very difficult to clone whole genome inside vector what kind of vector and cells can sustain such amount of cloning...

11 July 2024 4,284 0 View

I am not getting proper colonies while ligating one of fragments in my vector the colonies seems to be normal but in light it seems lysed any reason?

I am working on cloning of a gene fragment inside my vector everything we tried to do correctly like making insert and vector with utmost care but after ligation the morphology of colonies seems...

11 July 2024 9,010 3 View

Can anyone suggest what amount of powder I have to disperse in the solvent for taking the FTIR spectra?

I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change

09 July 2024 8,011 2 View

I have a doubt in finding the amount of ferromagnetic and antiferromagnetic contribution in a canted system?

Is it possible to differentiate or calculate, the amount of ferromagnetic and antiferromagnetic contribution in a canted system? (Weakly frustrated canted antiferromagnetic system)

25 June 2024 6,210 0 View

How transmittance is dependent on the band gap and atomic structure?

UV-Visible NIR analysis

20 June 2024 9,056 3 View

Whether size obtained from TEM and XRD should be equal?

I have got crystalline size around 15nm from xrd but TEM is giving particle size 4nm

20 June 2024 6,064 8 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

The Curse of Evolution and Complexity?

Brain and body mass together are positively correlated with lifespan (Hofman 1993). The duration of neural development is one of the best predictors of brain size, and conception is the best...

05 August 2024 6,247 3 View

To perform transfection with DharmaFECT Duo in AGS cells. Could you tell me what the ideal concentration is to avoid significant cytotoxicity?

I would like to perform transfection with the reagent DharmaFECT Duo (Horizon) on the AGS cell line. Could you please inform me of the optimal concentration to use without causing cytotoxicity in...

03 August 2024 3,851 1 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

Could you try using PeptiCloud and see if it's a useful tool for biology research?

PeptiCloud (www.pepticloud.com) is a bioinformatic platform that allows researchers to organize and share their data for their projects as well as collaborate with others in one place. Through...

28 July 2024 4,762 2 View

Do you know of any online international conferences that offer free discussions?

Do you know of any online international conferences that offer free discussions? I am looking for examples in the field of molecular ecology and DIY biology.

28 July 2024 6,501 0 View

Illustra™ MicroSpin™ G-25 columns what it is used for?

Hello, We found three packages of Illustra™ MicroSpin™ G-25 columns in the cabinet of an unused lab. They are very old but have never been opened. I have never used this kit before, and I couldn't...

25 July 2024 4,927 3 View

What are the modern approaches to the organization and sustainable management of greenery in urbanized cities?

What are the modern approaches to the organization and sustainable management of greenery in urbanized cities? How can ecological and recreational functions be introduced into the landscape and...

23 July 2024 7,292 4 View

Pink bacterial colonies?

I am cloning an overexpression plasmid with my protein of interest tagged with mScarlet. After transforming my ligated product into DH5α bacteria and plating on LB agar, I noticed colonies with a...

22 July 2024 5,953 6 View

How are clinical and environmental yeast/fungal strains stored usually in mycology laboratories?

I understand a glycerol stock for long-term preservation would be ideal, but how are working cultures generally stored? Mainly concerning Candida spp. isolates. A few references mention that they...

22 July 2024 6,592 3 View

Abdullah Mohammed Farooque

It is possibly the time when fresh roots develop from the bulb after coming in contact with moist rooting medium.

Neethu Kannan B

Thank you sir

Does atmospheric temperature significantly affects division?

Nkoana Ishmael Mongalo

May be SEPTEMBER

Cell division is always favored by moderate to high temperature.

Anwar Shahzad

Along with moderate Temperature, morning time at 7-8 am is the best time to collect the root tip