Probit model in a cross sectional dataset?

Is it possible to use probit model in a pooled cross sectional dataset? While there are literature around application of the probit model in panel data, I wonder if there are specific examples of...

31 December 2020 6,607 6 View

How to remove the bubbles in Collagen gel and maintain the transparency?

I am working on the capillary formation of Lymphatic endothelial cells in a collagen matrix. But I am facing a technical problem to handle Collagen. I have made many times; I am not able to remove...

27 December 2020 5,495 3 View

Is there any evidence why COVID-19 cases started to increase in low-income countries after the cases started to decline in developed nations??

Is there any evidence why COVID-19 cases started to increase in low-income countries after the cases started to decline in developed nations? COVID-19 cases continuously now increasing in...

12 May 2020 4,884 8 View

Will taqman miRNA assay(thermofisher) kit stored at 4degree be working?

I forgot to put my taqman miRNA assay(thermofisher) at -20degree. It was at 4degree for 48hours. Will it be working?

11 June 2019 6,620 5 View

Which is the easy and reliable NMR data analysis tool?

Presently we are working on the plant based metabolomics and oil analysis projects. For, that we are doing NMR in preliminary phase, for data analysis. Please suggest, which online tool is better...

22 April 2019 5,370 2 View

Graphene Oxide synthesis?

I am using modified hummers method to synthesize Graphene Oxide, But i am unable to get the yellowish color after adding H2O2: instead i am getting a brown-greenish colour solution. I have...

14 October 2016 5,170 6 View

Whats the name of this fruit?

13 October 2016 9,076 63 View

What are the basic steps in determining the Raman Peak Positions for a new compound?

22 July 2016 9,184 2 View

Can anyone identify this snail....?

February, 2016 Nassarius spe...!! Gujarat, Gulf of Khambhat.

23 June 2016 3,310 8 View

How to find the positive and negative correlation from corrplot in R?

Corrplot in R

08 June 2016 6,426 3 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

Are there any known solvothermal methods to synthesize MoS2 nanosheets using solvents other than water (like ethanol/ethanol-water mixture) ?

I need to synthesize MoS2 nanosheets by alternate methods without pure water as a solvent.

22 February 2021 9,246 1 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Can ethanol be used as an analgesic?

If ethanol has analgesic properties, why isn't it used for clinical purposes?

18 February 2021 8,227 4 View

What is the best way to isolate Hydrolysable tannins on Sephadex column?

I am currently preparing to isolate polyphenolics (Hydrolysable tannins) from aqueous extract of a plant. I want to set up a small sephadex column to guide the major isolation on a laerge...

18 February 2021 1,455 3 View

Can any suggest me good method of GC MS for the separation of Flavonoids?

I prepared the ethyl acetate, ethanol and butanol fraction from the ethanol extract of seed for isolation of Flavonoids. Amongst them ethanol fraction showing shinoda test positive for polar...

13 February 2021 8,263 3 View

In Method prepreation, what is the meaning of (Fixed at), and the meaning of (mol% of somthing) and how to find the volume?

I need an explanation of this sentence: Firstly, SnCl4.5H2O with fixed at 0, 1, 3, and 5 mol% of TiO2 and Titanium (IV) isoproxide (TTIP) with fixed at 10 ml were mixed into 150 ml of ethanol...

10 February 2021 3,291 2 View