What is the magnification at which neurofibrillary tangles are visible?

More Meha Fatima's questions See All

How do I correct the error while opening .mat file in EEGlab?

I am having this error which says "error occured in pop_editset() at line ____" . How do I correct this error. what is wrong while loading the file. The data is .mat format.

06 July 2018 5,297 1 View

Is there any technique for extracting CSF from mice without stereotaxic frame?

If not, then what is the most appropriate ELISA for serotonin for brain tissue samples?

31 December 2017 6,587 6 View

What cell line is preferred for research related to thyroid follicular cells?

I have found WRO 82-1 in many papers. But I want to know a cell line which is able to produce T3 and T4 when TSH is added in the medium.

06 July 2014 3,450 0 View

Is PAS stain specific for glycogen?

I want to quantify glycogen in muscle cells. I am planning to use PAS staining method. But, is PAS stain specific for glycogen? If it is not, then how will I be able to identify glycogen from...

06 July 2014 8,886 18 View

What company provides the best coverslips for flourescence microscopy of cells (not tissues)?

Any explanation of the dimensions and protocol is highly encouraged.

09 October 2013 7,688 11 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

SEM or Multiple Regression for an analysis without Latent Variables?

Hello, I have three hypothesis to test, all with the same IV. I am testing if the effect of the IV on the first DV is mediated by awe. I am then measuring whether the effect of the IV on a...

26 February 2021 8,399 5 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

How to handle studies which report perfect effect sizes in a meta-analysis using Pearson's r?

I'm in the process of updating a meta-analysis and in one of the new studies, effect sizes are reported as Tau-U. Two of the effect sizes are reported as Tau-U = 1.00. I am using Andy Field's...

24 February 2021 2,265 3 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

How to clean up TEM grid with plasma cleaner?

I need to clean the hydrocarbon contamination on the carbon substrate of TEM grid. However, I heard that substrate could be broken by the powerful plasma. My substrate is pure carbon, with ~3nm,...

23 February 2021 3,262 5 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Specify the Burgers vectors for dislocations, which cannot be uniquely identified.?

1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...

20 February 2021 2,370 1 View

Robin Highley

On an appropriately immunostained section (for phosphorylated tau) or appropriate silver-stained section, you can see them easily at low power (4x objective, 10x eyepiece, 400x in total), although a lot of people look at 200 and 2000x). The attached is the most useful guide for Braak staging in humans.