How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

How to identify when a gaussian program is about terminate normally?

Dear all, I am trying to optimize a bimetallic complex using # opt=tight b3lyp/lanl2dz scf=qc geom=connectivity. The program is running for around 5 days but the size of the .chk remains same...

05 February 2021 8,721 3 View

How do you create a 0.5M EDTA disodium salt solution at pH=7.4?

I have been trying to make a 0.5M EDTA solution by dissolving EDTA disodium salt dihydrate in 500mL of purified water and adjusting the pH to ~8.0 so that the salt dissolves. To aid in the...

12 October 2020 3,242 2 View

How can I increase the length of DNA fragments recovered from QIAamp DNA Micro Kit?

Hi everyone. I'm performing DNA extractions for pools of ~10 individual Daphnia magna (water fleas) using the Qiagen QIAamp DNA Micro Kit. I use a pestle to homogenise the Daphnia before entering...

07 September 2020 9,956 1 View

Where could I find3D resistivity/conductivity (ERT) opensource data?

Hi, I would like to know whether is there any open source 3D inversion resistivity/conductivity geophysical data (ERT) available. If yes, how to access it?

06 August 2020 8,209 3 View

Is it normal to get different results when you try to simulate a paper your are basing your research on?

I am simulating AODV and AOMDV in NS 2 to compare their performance in terms of Packet Delivery Ratio (PDR), Throughput, Delay and energy consumption, in order to propose a better algorithm. The...

18 July 2020 9,755 9 View

How can I assess a method that returns high-expressed genes?

Hello, I working with a method that finds high-expressed genes in a single-cell experiment. How can I assess such method? I know I can compare it with the ones in literature (t-test, regression),...

22 February 2020 3,023 2 View

How should I hydroxylate tungsten powder for organosilane grafting?

I am having trouble depositing MPTMS/APTES onto tungsten and I am concerned there are not enough hydroxyl groups on the powder surface. So far I have been exposing tungsten to water to hydroxylate...

04 February 2020 4,677 2 View

Is it possible to perform a meta-analysis for an index value?

Dear researcher community. I want to ask if it's possible to perform a meta-analysis in an index, I mean, in value without standard deviation. For instance, in the regression model, many indexes...

04 December 2019 3,797 1 View

PLS-DA or LDA for NIR analysis?

I was wondering, for discrimination or classification propose is better use LDA instead PLS-DA in NIR data?. What analysis will works better in this kinds of data?. And why? Thanks so much in...

15 October 2019 8,409 8 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 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

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 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

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 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