How does a Bi-Static FMCW radar detect a Zero Doppler target?

27 September 2020 8,370 6 View

What is the best way to extract phenols from plants ?

What is the best way to extract phenols from plants ?What is the best way to extract phenols from plants without any loss

27 May 2020 9,005 17 View

Problem on reliability statistics - negative Cronbach's alpha?

In my study I want to see whether 3 items in a questionnaire relate to autonomy through a reliability analysis. The following three items are relevant I think: - Availability of task enrichment...

25 July 2018 3,223 2 View

What techniques can be used to locate fractures in underground metal water delivery pipes?

I recently met with an senior executive of a Water delivery company. #1 concern was the inability to locate leakage in underground mains pipes. Typically 40% of water is lost between source and...

24 May 2018 4,311 3 View

Would you like to participate in studies involving surgical outcomes, NSQIP, NIS, SEER, etc?

Seeking co-authors/collaborators to participate with me in database studies involving NSQIP, NIS, SEER, NAMC, etc. This is a good opportunity for post-docs and research fellows who can work...

04 November 2017 6,424 2 View

I am using simply P total RNA extraction kit (Bioflux, china) to extract total RNA from tissue sample do it require addition of mercaptoethanol

Does it require addition of lysis buffer or mercaptoethanol before homogenization or it's included in components of the kit reagents?!

03 August 2017 2,599 4 View

How many kinds of distance defined on graph in graph theory?

04 April 2017 4,384 13 View

How can I dissolve sodium palmitates in pure ethanol?

18 June 2016 784 3 View

Cell size units in point to raster?

I have metadata in my .dat file that tells me that my cell size is 0.200 degrees longitude. I want to import this file into GIS and convert my points to raster. My file is very simple: it has x, y...

29 September 2015 7,692 3 View

How can we assess the amount of sand available in a river and a lake?

What are the measures to be taken for controlled sand mining. Excess sand mining has become a big problem due to rapid urbanisation and development. Uncontrolled sand mining has now resulted in...

30 January 2014 5,444 1 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

Does soft algniate hydrogel influence calcium concentration of a solution (cell culture medium)?

05 January 2021 6,066 4 View

Most appropriate fit of a standard curve in an enzym-linked lectin assay?

Dear all, I have a question regarding the most appropriate fit of a standard curve in an enzyme-linked lectin assay set-up to quantify the amount of mucin secretion in conjunctival explant...

03 January 2021 1,010 6 View

No title

It is important for me to know the opinion from your point of view as researchers.

30 December 2020 988 2 View

Hi, i'm trying to synthesis Graphene oxide without (NaNO3), how ever at the end of the synthesis it just black dusty solution, any idea?

here is step from journal. 1. add 3g graphite powder in 70ml H2SO4. in ice bath and constant stirring. 2. add 9g KMnO4, after a while it become green 3. heat it to 40celcius for 30minutes, it...

22 November 2020 9,622 3 View

Antibiotics removal efficiency in WWTP and Fexcreta?

I am calculating the PEC for selected antibiotic compounds and am having problems finding the readily-available online data about the Fexcreta value for my target compounds (Since the PEC...

02 November 2020 7,675 6 View

What is the best pH to grow Lactobacillus rhamnosus?

Hi all, I'm doing some research in the proteins secreted by L rhamnosus and I've been trying to optimise the fermentation conditions to maximise production of these proteins. Without pH control...

08 October 2020 4,647 6 View

How to prepare 2mM phosphate buffer as Na2HPO4 and K2HPO4 added in a 4:1?

I'm trying to do an Intracellular Ca2+ mobilization assay and I need to add phosphate buffer as Na2HPO4 and K2HPO4 added in a 4:1? should I prepare 2mM of Na2HPO4 and 2mM of K2HPO4 separately then...

05 October 2020 5,584 2 View

What is Dopamine?How it affects human behaviour &directly connected to neuro-psychological disorders?

We all known Dopamine is a happy/joyous hormone secrets from brain.How it changes the over all human behaviour & responsible for the well being of humanbeing. Regards, Md Osim

02 October 2020 582 4 View

What solvents can be used to dilute the Lepidopteran defence droplets (scoli glandular secretions from lepidopteran larvae)?

I am trying to analyse the chemical profile of defensive droplets from the lepidopteran larvae (T Trypanophora semihyalina ). when i collected and tried to dilute in the hexane and acetone the...

23 September 2020 2,994 3 View