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

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

Is there any available free access High Performance Computing (HPC) servers with GROMACS?

I would like to run a Molecular Dynamics (MD) simulation using GROMACS in a high-performance computing server. Is there any freely available one out there? If yes, please do not fail to make...

16 February 2021 2,593 3 View

Can I use the CHARMM GUI input files for Gromacs in HPC?

Good day everyone! I am a Biochemistry undergraduate in the Philippines and to be very honest, we have no background in bioinformatics since we really focused on wet lab techniques + theory. Due...

15 February 2021 3,422 4 View

How to increase coupling range (distance between reader and sensor coils) in LC resonance circuit?

Hello great researchers, I am working on a wireless pressure monitoring project where sensing part is actually an LC resonance sensor and I am using a planar coil as a reader to get wireless...

11 February 2021 4,148 5 View

Infinite order of Laguerre?

If Lmn(x) is the Laguerre polynomial of order m and degree n Is there a means of computing Lmn(x) for 1) m goes to infinity 2) n goes to infinity

08 February 2021 6,320 4 View