How to solve error "Cannot find position restraint file restraint.gro (option -r)." on GROMACS?

Hi, I am about to do energy minimization but the above error occurred, I checked my .mdp file and .top file but could not find the problem. TOP file ; Include forcefield parameters #include...

01 February 2021 780 3 View

How to Adopt / Adapt Research Questions/Instruments Into My Study With Differrent Likert Scale?

Hi All, This question might be a silly question. I wonder how may I adopt/adapt a research questionnaire/instruments into my study? For example, my study is about intellectual capital and SMEs...

03 January 2021 1,443 3 View

How to justify my methodological contribution rather than saying that I will use PLS SEM in my research. May I defend it other ways?

I need to defend my research proposal for the methodological part.

22 September 2020 4,287 3 View

How important to remove negative peak in HPLC for quantitative measurement?

I am using a Bio-Rad column for sugar detection with an RI detector. My mobile phase is 5mM sulfuric acid. When I ran my blank (DI water) I got a negative peak. The baseline was steady before and...

21 July 2020 8,784 1 View

Why the pH of organic solvent-water mixture is higher than that of aqueous acidic solution?

The pH of organic solvent-water mixture is higher than that of water containing same amount of acid. The pH increases with the increases of organic solvent content in the water- organic mixture...

18 November 2018 630 3 View

Should i delete a high loading item to ensure CR below 0.95?

Hi, i'm running my data on PLS-SEM, it is found that the CR for one of the variable is 0.955. My question is; a) is this value acceptable even it's bigger than 0.90 cut-off value? B) should i...

31 July 2018 1,886 1 View

Do we need to run normality test (SEM AMOS)?

Hi, I'm in the middle of doing my research report, and am a bit confused with normality test. Since I have very limited knowledge and experience in running SEM AMOS, is that necessary to run...

24 July 2018 245 6 View

What is the expression of Bax and Bcl-2 protein in normal state?

Is it normal when a Bcl-2 protein is highly expressed compared to Bax protein in normal state (control group)? This pattern also appeared in an apoptosis-induced group with higher expression...

17 June 2014 8,279 8 View

No title

I stipped and reprobed my PVDF membrane 4 times using 3 different antibodies (bax, bcl-2 and p53) and loading control (GAPDH), then I stripped and reprobed the same membrane with GAPDH again (as...

14 May 2014 4,940 5 View

What are the advantages of using Artificial Neural Network compared to other approaches?

There are a lot of methods and techniques to conduct vibration based damage detection, such as response surface model and fuzzy set approach. So, what are the differences or I can say, what are...

31 March 2014 3,698 42 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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

How can we theoretically calculate Elemental analysis(percentage) of atoms in covalent organic framework?

For example in one research article the Elemental analysis values of COF-TpPa-1 ( Triformylphloroglucinol (Tp) (63 mg, 0.3 mmol), Paraphenylenediamine (Pa-1) (48 mg, 0.45 mmol) are as follows...

24 February 2021 1,265 6 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

What should be the duration of exposure to simulated space environments with Rodents?

Hi, I am currently working on a pilot study to get some data related to the impact of long duration spaceflight to the microbiome and the immune system. I plan to use rats and simulate...

22 February 2021 592 1 View

What are effects of steel jacketing on flexural strength?

Dear all, If steel jacketing is used to retrofit a reinforced-concrete (RC) column, can we use it to improve flexural strength? I understand that we leave gaps between the ends of the jacket and...

22 February 2021 1,906 5 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

How to get/count refractive index in gasses?

20 February 2021 8,202 6 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

How to find the capacitive response frequency from the impedance plot?

I have done electrochemical impedance by using cyclic voltammetry for one organic material. from that, I plotted bode diagram. but actually, I am very confused about how to find the capacitive...

18 February 2021 3,023 3 View