How can I take subsamples of water from a larger sample in a way that allows me to measure the iron content of the subsample?

I learned how to take subsamples with a magnetic stir bar, but I noticed iron particles stick to the bar, and I am having trouble finding a standard method to solve that problem. How can I take a...

04 February 2021 4,778 1 View

I am looking to develop a basic oral microbiome assay. Can anyone advise on culture vessel, conditions and organisms that require minimal maintenance?

I am looking to investigate oral care products with an easy-to-prepare culture of orally derrived microorganisms.

21 January 2021 3,448 1 View

PEI DNA in-vivo transfection concentration?

04 January 2021 6,908 7 View

What would be the recommended color/method for quad-IF?

I'm trying to perform quad-IF staining on frozen tissue sections on a fluorescent widefield (axioplan) microscope. I was wondering what people might suggest for colour/strategy for a co-IF...

13 October 2020 6,863 4 View

How do you remove the tolerance limits when running collinearity statistics in SPSS?

I am using SPSS syntax to determine multicollinearity with predictor variables of interest. When I enter the variables, SPSS is removing some of the variables because the minimum tolerance limit...

02 June 2020 3,639 1 View

How to distinguish different phases on an xrd pattern?

In XRD, how do you distinguish among the crystallized phase, amorphous phase, and a mixture of the two? How will the peak look like in a mixture of a crystalline and amorphous material?

05 May 2020 9,707 7 View

Are there any techniques to embed transmembrane proteins in solid lipid nanoparticles like liposomes or micelles?

25 January 2020 3,991 2 View

Specim FX17 hyperspectral camera/sensor - UAV/drone application?

Hey, I am looking into the feasibility of attaching a Specim FX17 sensor to a multi rotor system. Specs wise it looks possible, sensor is 1.4kg and Matrice M600 max payload is approx 15kg....

16 December 2019 4,169 2 View

Is the calculation of AVE and composite reliability after EFA recommended?

Greetings! The link to the Todd Grande tutorial below demonstrating the calculation of AVE and composite reliability to factor loadings appears to be popular viewing. My question is would you...

08 December 2019 711 4 View

What is the best way to model 9 continuous factors with 2 factors out of the 9 with a non-linear response, i tried using statgraphics, DOE beginner?

Good Day,this is urgent please, i want to use statgraphics trial version to study a part of my work. I am considering different stratified layers in a particular oil reservoir, i considered...

19 October 2019 3,227 1 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

Concentration of DNA?

Hello everyone! Is a normal value 295.8 ug/ul for cDNA? If not what does it mean? Where is the mistake? The measurement was done with nano drop. Thank you!

09 February 2021 6,202 1 View

What is the reference value of THD in BLDC MOTOR speed control ?

i used to control EHO+ANFIS to MRPID to Landsman converter for bldc drive i got 7% but some of them are telling IEEE standards are < 5% is it correct for Drives ?

07 February 2021 5,892 1 View

Can any tell me or suggest any research article or review about the concentration of peptide dissolve in system water and given to Adult Zebrafish?

Hello, everyone! I have chemically synthesized antioxidant peptide isolated from the plant. I have to validate its bioactivities in Adult zebrafish. I have to administer this peptide to zebra...

01 February 2021 5,809 3 View

Sample Size for Quasi-Experimental Quants using one-tailed t-test?

Hi, sorry I'm stumped. I'm going to do a study on the leadership styles (using the MLQ Form 5X) of minority women administrators in medical schools. How will I calculate the sample size? Thank...

30 January 2021 2,865 4 View

How to know the threshold limit value of a sar image...??

i want to do thresholding by segregation of water areas from non water areas for that i am using model maker in ERDAS but i am unable to get the threshold limit value of my image.

26 January 2021 8,277 1 View

Does anybody know about literature on protest and post-conflict processes/societies? What would you recommend?

I am trying to start a project on the subject and your help would be appreciated

18 January 2021 2,190 6 View

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14 January 2021 8,086 37 View

What are the most important values we should teach to our students?

In one of my articles "The need for a values-based university curriculum" https://www.universityworldnews.com/post.php?story=2019092415204357 I propose that higher education should adopt a...

14 January 2021 2,304 95 View

How do we address vaccine hesitancy among healthcare providers?

Healthcare providers have the duty and commitment to protect patients from harm. One way of achieving this goal is by getting the vaccines. But we also learn that the providers themselves are...

13 January 2021 3,638 4 View