Why I see no changes in hardness of AlCu alloy after 2 months natural aging?

08 December 2020 2,929 4 View

Can anyone help me to use GAMESS?

I'm trying to use GAMESS for my calculation. I'm at initial level so can anyone help me with any tutorial/video for its Windows version? Thankyou so much.

16 August 2019 1,829 2 View

How can I make a effective urea broth medium ?

Hi, I made 40% urea broth medium(Biolife Italiana) to find out the presece of helicobacter pylori in gastric biopsy but this medium responds very slowly for positive biopsy (about 2 hours) while...

07 February 2019 6,804 7 View

Silver nano cluster synthesis problems?

Hi I tried to synthesize silver nanocluster and tested it with different concentration of DNA, AgNO3 and NaBH4, but we observe a black precipitation without any flourescent and absorbance. Is...

03 March 2018 5,549 2 View

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Read 22 answers by scientists to the question asked by Razieh Kheshtzar on Dec 19, 2016

18 December 2016 5,704 16 View

The best mathematical tool to fit observational data with theory?

What is the best mathematical tool to fit observational data with theory?

26 October 2016 4,182 4 View

How do you differ "missing data with ignorable mechanism" and "missing data with non-ignorable mechanism"?

06 October 2015 6,739 11 View

Which imputation techniques are suitable for handling missing data in data sets with non-Gaussian distribution?

I have found imputation methods based on statistical analysis and imputation methods based on machine learning. However, I do not know whether I can use them safely to impute NaNs in non-Gaussian...

12 January 2015 9,621 5 View

Which chemical compounds can catalyse the electroredox reaction for phenolics?

The answer is very important to improve the electrochemical bio sensors for phenolics

16 January 2014 6,396 1 View

Is a noncovalent interaction a type of weak interaction?

I calculate with software of gaussian reason weak interactions.

21 April 2012 3,655 3 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

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02 March 2021 3,060 3 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

Is there a powerful system for the security of the systems distributed on IoT systems?

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Issues with Permeabilization during Flow Cytometry?

Hello Everyone. Currently I am working to characterize macrophages in the myocardium after ischemia-reperfusion injury in rats. Due to the low total cell number isolated from rat hearts I can...

01 March 2021 3,867 3 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View