How to indicate the degree of litter decomposed by microbes?

Any technique could detect the degree of litter decomposed by microbes? Or any indexes could do this job? I want to split the contribution of microbes during decomposition, so any suggestions...

23 February 2021 1,362 5 View

How to improve dissolution of neosome?

I have made neosome from herbal drug. Neosomes are stable. But I face problems in dissolution. I used minimum ratio of 1:1:0.25 ( Drug:span 60: Cholesterol and GMs. Now how can I active better...

17 February 2021 3,584 1 View

Hi, could anyone suggest any mammalian expression plasmid that has a GFP as a selection marker?

I am looking for a plasmid that can express my gene of interest without GFP fusion. But I want its selection marker like neomycin replaced by GFP or any other fluorescent protein so that I can...

29 October 2020 2,247 3 View

Predict charge on a compound at different pH?

Dear fellow scientists, Do you know of a software or a resource base which can predict the charge on the analyte at different pH conditions? Thank you, Abhishek P.S. I am new to HPLC, even a...

19 October 2020 8,605 3 View

How to define Darcy's flow for pore pressure cohesive element in Abaqus?

Hi everyone, I am trying to define a Darcy's flow for pore pressure cohesive element in Abaqus. When I give permeability to the elements, the output of tangential flow rate (GFVR) is always shown...

11 October 2020 1,195 3 View

What is the model equation between resistivity and temperature of a extrinsic semiconductor?

Can anyone Tell me what is the model relation between resistivity and the temperature for a extrinsic semiconductor. Kindly provide with summarized clarification & model equation between...

30 August 2020 6,182 11 View

What is timely Supply chain management issues to be researched as a result of the COVID 19 pandemic?

Dear Research Scholars, Would you please share your opinion on "What is timely Supply chain management issues to be researched as a result of the COVID 19 pandemic?" Thanks Shuvro Sen

22 July 2020 6,995 15 View

Does anyone have a case study of kick/influx and fluid losses during drilling, while MPD (managed pressure drilling) system is active?

Looking for a case study where severe influx and loss events were experienced even when a MPD system is installed and active. Interested in the sequence of events and mitigation steps. A real well...

12 June 2020 8,922 3 View

My SDS gel takes 4-5 hours to run completely. Can someone please help me understand what might be going wrong?

I am performing DNA-Protein Binding assay using Dyna beads. In order to check the bound protein i have to run SDS PAGE. the problem I am facing is my gel takes 4-5 hours to run completely. I have...

09 June 2020 7,358 1 View

Large sample sizes and parametric or non-parametric tests?

I have been reading several sources mentioning that when you have large enough sample sizes (some say 20, others above 200?) then parametric tests, such as t-test, are robust against non-normality...

07 June 2020 3,354 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

SDS page software for analysis?

I did sds page to determine the difference in protein expression between 3 types of vaccine , but i don't have scanner or densitometer available. . so i wonder if there is a software to analyze...

02 March 2021 6,270 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

How can I verify my centrifugal fan design for electric motor cooling?

I have radial blade centrifugal fan design which will be mounted on exhaust side of electric traction motor. The fan will be mounted on same motor shaft inside the housing. How can I verify that...

23 February 2021 2,390 3 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View