Can anyone tell me the largest number of proteins directly extracted from soil ?

Can anyone tell me the largest number of proteins directly extracted from soil ? I am writing a paper about soil protein extraction and wanted to know what sort of yields other researchers were...

30 January 2020 9,060 2 View

Curious about treatment approaches in psycho-therapy for people experiencing a substance use disorder in a confined environment?

Substance use disorders have been and will continue to be problematic for our society, what approaches can we utilize that will offer the greatest chance of success of abstinence and sobriety? It...

14 October 2019 9,528 1 View

We are looking for a Candicidin D standard ?

We are looking for a Candicidin D standard for HPLC and mass spectrometry. It is no longer made by the company listed on PubChem (alpha chemistry). Does anybody have any other suggestions?

15 January 2019 2,482 3 View

Are there any software pipelines for processing HCID CID data in TMT experiment ?

I performed some comparitive proteomics between planktonic and biofilm membrane proteomes using tandem mass tags. The mass spectrometry generated HCID and CID data . I now need to identify all...

13 August 2018 5,971 3 View

Are there specialised methods for extracting DNA from alkaline soils ?

I am conducting a metagenomic analysis of alkaline soil and I wondered if there were any specialised methods of DNA extraction given the alkaline nature of the soil.

03 August 2018 2,101 2 View

What is the average difference in pH of agar before and after sterilisation ?

I had previously made a series of (modified SFM) agars at high alkaline pH 8----->13.6. I did not measure the pH of the resulting solidified agar because it just seemed a bit awkward and I...

07 March 2018 1,160 3 View

How can you recover a protein sample which is tightly bound to a graphite column ?

I have been using activated carbon columns to clean up protein samples. Protein recovery has been very low. When I use a large amount of protein i.e. 5mg the recovery is only 0.5mg . I was...

10 October 2017 5,545 1 View

I am looking for a good method for highlighting zones of inhibition in bacterial growth ?

I am testing the inhibitory potential of some environmental Streptomyces. Some of the zones of inhibition are not immediately apparent and you have to tilt the plates against the light to see the...

23 August 2017 4,103 5 View

Are there standard methods to revive the antimicrobial activities of Streptomyces ?

After repeatedly sub-culturing some of my strains of Streptomycetes, I find that their antimicrobial potential is diminishing. Are there some good methods for re-awakening their antimicrobial...

21 May 2017 9,357 6 View

What is currently the best method of removing SDS from protein solutions ?

I have a protein solution with 4% SDS. I want to remove the SDS for later downstream analysis. I know a few techniques for protein precipitation , actone/ethanol, choloform/methanol, TCA/acetone,...

30 March 2017 8,287 6 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

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How could I take into consideration the weights of observation in a system of seemingly unrelated regressions (SUR) in rstudio?

I build a model of 4 regression equations (probit and OLS) in R studio. I need to take the weights of observations into consideration. While it is simple to do so for every regression equation,...

27 February 2021 1,233 1 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

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to run raise regression in R?

if anybody know how to run raise regression in r, and raise parameter selection, please help me

24 February 2021 8,199 1 View

Can anyone suggest me the best way for Regression analysis of Accidents?

Dear Altruist, I want to make a regression analysis based on accident data. But I am not finding the necessary information about what type of regression is more applicable for analysis accident...

23 February 2021 9,956 3 View