How do different stages of alzheimer can be recognize in rodents?

Are there any specific markers for recognizing the stages of Alzheimer (mild, severe etc) in rodents. I wish to induce the same using streptozotocin, and transplant stem cells both at an early and...

03 April 2016 7,179 3 View

What is the dimeter of the 72h chick embryo capillaries?

03 April 2016 1,517 2 View

How should I select an expression plasmid for a lentivirus construct?

Hi, I am quite new to the plasmid selection guide. I wish to select a GFP plasmid for lentiviral assembly to finally transfect mouse cell, and also for an another study: shSOD1 expression plasmid...

02 March 2015 4,717 6 View

How can I trace transplanted Stem Cells in vivo, which are not labelled for any color?

01 February 2015 3,779 16 View

How do I solve my difficulties with neural progenitor stem cells lentiviral transduction?

Hi All, I am trying to transduce my NPCs with the mCherry lentivirus, but I am getting very few transduce cells (Red). My NPCs are already GFP transducer, herewith I am attaching few pictures...

01 February 2015 2,118 19 View

Does anyone have an idea what is the basis of taking ratio of DNA/envelope/packaging for Lentivirus preparation?

Do anyone have an idea what is the basis of taking ratio of DNA/envelope/packaging for Lentivirus preparation? My target vector is of 14kb but I don't know what rail should I take for my 2nd...

31 December 2014 6,270 1 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 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