How to analyze dendritic spines from tissue (Prelimbic cortex)?

Hi there, I am trying to measure dendritic spines from mouse fixed tissue, specifically, I am looking at the prefrontal cortex. I injected the PrL with a lentivirus to knock-down my protein of...

27 January 2021 9,251 2 View

Cleaning up single cell RNA from 10x dataset?

Hello, I am new to single cell RNA data processing and am currently running my data through the initial cleanup steps via Seurat on R. I have previously done this on epithelial organoid data and...

23 December 2020 4,709 1 View

Fluorimeter giving odd results for carbon quantum dots?

I made a Pb sensor using carbon quantum dots (CQDs). I add buffer, CQDs, and a given metal to a quartz cuvette of the recommended type. Before adding a metal, the cuvette will emit a yellow-green...

16 December 2020 9,675 3 View

Recommend resources for developing surveys of technology-users for "needs-analysis" or design criteria?

I am looking for recommendations for good resources or guidelines for developing surveys specifically focused on targeting user's opinions or a needs-analysis in the context of engineering design...

12 December 2020 6,698 6 View

How much salt in a m^3 of water would be needed to prevent evaporation ?

Assume you have 1 cubic meter of water with 1 square meter of surface exposed to the sun. If you kept adding salt to the solution, is there a point at which evaporation would cease? Assuming the...

22 November 2020 5,444 1 View

Automatic cell counting? (Ductal epithelium cells with fluorescence)?

Hello, I am currently conducting a lineage tracing experiment where I need to count GFP+ cells in multiple compartments of ductal epithelium (frozen tissue sections of an inducible Cre mouse with...

20 September 2020 1,855 6 View

Resuspension mutant huntington (mHTT) in conditioned medium?

Hello all. In lab we grow cells to secret mHTT in media that we then collect and subject to centrigufation at 100k G for 2 hours to concentrate the protein and other secreted components of the...

30 August 2020 1,858 1 View

How to improve my CBD to THC conversion method?

Hello Everyone, Let me preface this question by saying that this is all being done under a legal THC/Hemp license in the state of Colorado. I was hoping to get some advice on how to improve my...

27 April 2020 6,292 1 View

How has COVID-19 affected people with Opioid Use Disorder (OUD)?

I am a Research Technician on a study that will be evaluating the effectiveness of Opioid Intervention Court vs. traditional Drug Treatment Court in Buffalo, New York. We are looking to add a...

05 April 2020 2,600 3 View

Is there literature on pre-steady state "lag" for oxidase enzymes?

Greetings, I'm looking for literature related to a topic I want to write a manuscript on. I'm working with an glycine oxidase enzyme and noticed when I monitor the rate via spectrophotometry and a...

31 March 2020 3,917 2 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

Mediation path analysis - Can I run two seperate models?

I am wanting to run a serial mediation model with 2 x IVs, 2 x MVs, and 3 DPs (all continuous). Is it problematic to run 2 different models for each IV, keeping the MVs and DPs the same in each...

27 February 2021 5,681 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

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How to empty large intestine in mice ?

Hi all I am working on colon-targeted drug delivery for which I kept mice fasting for 6h using fasting grills during scotophase (dark period). I observed liquid fecal content in the cecum and...

23 February 2021 7,701 2 View