How to model the causal effect of working part-time compared to full-time on health?

Hi there, I have to estimate the causal effect of part-time work compared to full-time work on health. I have an unbalanced panel data set with t=2008-2017, except for year 2009. The main issue...

11 December 2020 3,170 3 View

How to correlate bacteria community data with volatile profiles and with fly community data using ordination techniques?

Carrion Ecology: What is the best way the statistically analyse the correlation of bacteria community data to volatile profiles and to fly community data across 3 time points using ordination...

24 November 2020 5,831 3 View

Does anyone have any advice for Intracellular Staining of methyltransferase for flow cytometry?

Hi All, I have been attempting intracellular staining of a methyltransferase and have been running into issues with consistency. I have attempted sequential staining with a PE secondary and have...

20 November 2020 2,314 1 View

Climate change accounting ?

Please I need help and any information on climate change accounting, carbon accounting, environmental quality

09 November 2020 4,817 7 View

How many casual deaths constitute scientific evidence? Do we know the risks of repeating influenza vaccination?

Italy (2014). Around 35 death after and very closer to the flu vaccination Spain (2020). At least 45 death reported in correlation with adyuvate flu vaccination and 6 time risk to died with...

22 October 2020 2,746 2 View

Use of FcR blocking reagent for B cell surface IgG staining in flow cytometry?

I would like to measure cell surface IgG in human culture of B cells. I have culture of human peripheral blood mononuclear cells (PBMCs) that were immortalized with EBV (Epstein-Barr Virus) and...

30 August 2020 6,805 2 View

After incubating overnight in blocking buffer (BSA) at 4C, how long can i incubate in Primary antibody the following day?

Hello Everyone, I usually block my membrane in BSA blocking buffer for 1 hour before incubating in primary overnight. This time i was pressed for time and decided to block at 4C over night....

05 August 2020 7,007 4 View

Request for suggestion on bimonthly journals in industrial water pollution management ?

Can anyone suggest some bimonthly journals which are either Scopus or UGC indexed in the area industrial water pollution management? thank you?

24 July 2020 2,036 2 View

Supplier for NiTi powder?

28 June 2020 6,530 4 View

Which is the most recent phylyogenetic tree for rodents?

Dear all Does someone have a recent rodent phylogenetic tree (preferably in Nexus format or any other format usable in R) or knows a publication with a recent tree? Currently I am still using...

24 May 2020 3,620 4 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

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

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

B-mercaptoethanol (BME) protocol?

Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...

27 February 2021 5,028 2 View

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 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