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

Why gel electrophoresis is taking too much time to run ?

I am working with TBE buffer and prepared 1% agarose gel. Previously it was taking around one hour to run but now two and half hours. I have increased the voltage from 90 to 110 but this also helped.

08 December 2020 7,416 5 View

What are the recent research topics in field of Soft Robotics based on AI and ML?

I am working in the field of practical robotics since last five years and got acquainted with AI and ML recently. I know Python and learning AI and ML using python from different sources. I want...

24 October 2020 793 6 View

Can Solar Energy take part in fighting against COVID-19?

Can "Solar-UV-cellular-damage" be an effective method to disinfect water bodies against COVID-19 in countries with a hot climate?

10 May 2020 2,556 12 View

While performing energy minimization step in GROMACS I am getteing following error. Can anyone help with this minimization problem?

gmx mdrun -v -deffnm em Back Off! I just backed up em.log to ./em.log. Running on 1 node with total 8 cores, 16 logical cores Hardware detected: CPU info: Vendor: GenuineIntel Brand:...

11 March 2020 2,902 1 View

What is iodine number in terms of activated carbon? What are the effect of iodine number on activate carbon porosity ?

11 March 2020 5,239 3 View

How to convert Netcdf file to ASCII data file?

I want to convert NetCDF file containing MODIS LAI data into ASCII file but not getting enough help from google search. if anybody is familiar with this, please give some inputs.. I am using R and...

18 February 2020 6,100 5 View

HI, Can I engineer any immortal human T cell line with the murine TCR of Ovalbumin ? Just like OT1 mice T cell have the same receptor ?

I am planning to develop a Human T cell line having the potential to kill OVA expressing tumor lines. Mostly we have to take out Tcells from OT1 mice which is expensive in overall cost. If I...

25 December 2019 3,417 2 View

What is the best suitable High Voltage amplifier to excite PZT ceramic C-91 patch (fuji ceramics ltd.)?

I need some information regarding a suggestion for piezo linear amplifier/High voltage amplifier suitable to operate at a peak voltage of 500V/mm for piezo ceramic patches (Rectangular C-91)....

27 November 2019 8,466 8 View

How we encapsulate vitamin-D with chitosan nanoparticles and how much conc. of ethanol we use to dissolve vitamin-D ?

We are trying to encapsulate vitamin-D in chitosan. Kindly suggest me the solubility of vitamin-D in ethanol and the simplest method to encapsulate vitamin-D. Thanks with regards

05 November 2019 9,341 1 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

How does the gut microbiome affect the fibrotic process within the liver?

and Can the gut microbe be used for the treatment or diagnosis of liver fibrosis?

02 March 2021 557 2 View

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

Would you please recommend a function in R software that could be used with FUNGuild output to merge different rows that have similar guilds?

Dear colleagues, I have an output of FUNGuild tool (ASVs abundance in different samples and assigned to guilds) and would like to merge the ASVs that had similar ecological guilds using R...

16 February 2021 4,292 7 View

Question regarding investigation of the nature of bacteria: whether it can cause human diseases or not?

Hi all, Considering that one has the whole genome sequence (annotated) of a bacterium and wants to know if it has the potential to cause human diseases, what steps would you recommend...

26 January 2021 8,732 3 View

What makes yellow color appear in phosphorus sample after autoclave digestion?

I was using autoclave for digesting water samples for Total phosphorus measurement with ascorbic acid method. The autoclave was set to perform 2 hours digestion and around 121 Celsius degrees. I...

25 January 2021 206 3 View

Can the sample used for pilot testing be included in the final research sample? do you have any citation for that?

I need citation from the previous studies about to include the Pilot study sample size with the final sample size thank you

24 January 2021 4,670 5 View