Are there differences between performance of two identical Simple Wes machines?

03 December 2020 8,975 4 View

How do I produce a carbon composite consisting of 2 metals?

I have a question in regards to the formation of a carbon composite for wastewater application. I came across some articles that suggest doing co-precipitaition, however those articles requires...

20 September 2020 9,793 5 View

How do I fix my fraction collector, Frac-920 and AktaPurifier?

Hello all, I frequently use the Akta purifier for protein purification and recently have been getting error messages in unicorn saying "error 2012 no response frac, 900". The frac 920 is designed...

02 September 2020 2,757 1 View

Questions pertaining the use of Graphene from sugar: How effective is the coating?

Hi scientific community, I have read some articles pertaining to the use of regular sugar to form graphene composites would like to know some questions pertaining to it Is the composite...

07 August 2020 4,719 3 View

CSTR in series: why is it that 2 CSTR is series performs better then 3?

Hi all, I having some issues with the performance of my reactors. some context to question: 3 CSTR is series All of the reactors are equal in volume Reaction follows first order. (Fenton-based...

13 April 2020 7,459 3 View

Papers on Hop Domestication?

Hello, I am interested in learning about the natural history and domestication of Humulus lupulus. I have been unable to find any papers on this subject, so I am wondering if anybody could...

22 March 2020 4,157 5 View

No color in hot water extract after successive extraction with n-hexane and methanol?

Greetings I'm doing an increasing polarity successive extraction on tree leaves with n-hexane, methanol, and hot water successively. The n-hexane extract gave dark green coloration, while the...

04 March 2020 8,687 3 View

Do you have to clean out the his resin from a column if you are doing successive protein purifications?

30 December 2019 2,906 9 View

Disattenuating partial correlations with more than one covariate?

Hi, I'm trying to disattenuate the reliability of a partial correlation. I found a formula (attached) in Multiple Regression in Behavioral Research. However, I'm needing to disattenuate...

25 December 2019 9,250 2 View

No title

Hi i have some question in regards to this kit. My samples contains a blend of micro-algae and bacteria. I would like to to use this kit to quantify the dead/ live cells in my mixed liquor....

14 March 2019 5,691 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

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

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 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