How should I compute a new variable with z-scores?

I would like to create a new variable using 4 different measures: hIndex (range: 1-47), # of publications (range: 0-111), and 2 other measures (range: 1-7). I changed all of these variables into...

09 February 2021 4,866 3 View

How can you confirm new liquid FTIR cell fits calibration?

We have an FTIR instrument which was calibrated in transmission/absorption mode using a set of cells for different ranges of D2O concentration. One of the cells at high range broke and the new one...

16 January 2021 4,791 2 View

Is there any possibalities of PDMS coating on Biochar Powder?

Hello, I'm doing a research regarding gas adsorption on hydrophoobic biochar. Is there any way to coat PDMS on the biochar powder?

05 October 2020 5,610 1 View

Free database for auditory stimuli?

Hi, I'm currently looking for auditory stimuli (list of letters; word/non-words; etc) to include as distraction task in my experiment. Does anybody know a free database that I might download?...

04 October 2020 9,614 3 View

Would you indicate treatment by intralesional injection for bone metastasis?

Hello people! I would like to understand if oncologists and doctors in general would be interested and indicate treatment for bone metastasis originating in breast cancer, ER +, PR +, HER-2 - with...

14 September 2019 4,322 3 View

Is my new measure "more valid" than existing measures?

How do I determine whether a new measure I'm developing is "more valid" than existing measures of the same construct? I'm proposing to develop a new measure that is more inclusive of the...

15 May 2019 9,893 4 View

Primers have 21&18 dna bases, tm of 43.9 & 45.1 and a GC content of 23.8% & 33.3% which is < 40 Does it affect varying annealing temperature?

our results showed varying temperatures and were aiming to get the optimum annealing temperature for the primer.

11 May 2019 7,254 3 View

qPCR melt curve peak doesn't correspond to gel, why?

I'm having an issue with non specific binding of my primers. I've tried many primers and this is the least messy primer pair but I am still getting a second melt curve peak when doing serial...

19 September 2018 3,940 3 View

Recommendation for molarity of Citrate buffer to use with C2C12 myotubes?

I am planning an experiment using TTX on C2C12 myotubes. The TTX should be reconstituted in citrate buffer pH4.8. I am now trying to find out which molarity of citrate buffer can be used for C2C12...

05 July 2018 2,754 1 View

Two-way ANOVA: binary IV and MV and non-normal continuous DV?

Hello everyone, I really need your help! I am doing my bachelor thesis and I am struggling with the following. I want to do moderation analysis with the following variables: - IV: Collaboration...

11 June 2018 9,607 7 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 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

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

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02 March 2021 3,060 3 View

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02 March 2021 932 1 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

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View