How can we maintain the two different DC high voltages of same polarity between parallel electrodes inside the vacuum separated by few millimeter?

I am trying to maintain two different high DC voltages of same polarity (either positive or negative) between two parallel electrodes separated by 500 um inside the vacuum. However, what I found...

21 December 2020 1,735 3 View

Number of cells for extacellular vesicles extraction?

hello! I want to extract vesicles from MDA MB 231 cell ligne, culture in serum free media for 48h, would you help me with th number of cells required to have the vesicles? thank you

03 December 2020 6,488 2 View

How can the inclusion of agriculture in carbon markets provide significant benefits for farmers?

What are the possibilities and implications in this regard

19 October 2020 3,701 5 View

How can the allocation of water be optimized between irrigated agriculture and environmental functions?

What innovative policies and technologies can minimize trade-offs between irrigation and healthy functions of natural ecosystems?

18 October 2020 6,352 3 View

Face shield is better or face mask is better to prevent COVID-19 transmission?

In society we see some people using face mask and some using face shield, some people even says face shield to be superior to face mask to prevent transmission. the government and the various...

30 September 2020 4,224 18 View

Not able to find proper journal for publishing review article?

i have written a review paper on topic covid-19 and smoking explaining the underlying mechanism why smokers are more prone and higher severity in them but not finding a journal for publication...

20 September 2020 7,255 3 View

How to capture the geometry of rubble piles / collapsed structures beneath the surface via remote sensing?

Hi dear community, I am currently working on a project where I want to generate a 3D reconstructed model consisting of rubble piles (in consequence of a building collapse) via remote sensing. In...

10 September 2020 4,685 4 View

How to generate a stochastic simulation using Gillespie algorithm ?

I want to generate Figure 14 from Gillespie's 1977 paper. Exact Stochastic Simulation of Coupled Chemical Reactions If anyone can help me with the code to generate the Figure. (MATLAB, PYTHON)

08 April 2020 7,377 2 View

How can i characterise the crud extract of peganum harmala seeds ?

Hello everyone, The crud extracts of peganum harmala seeds contains alkaloids and polyphenolic compounds and i want to do the HPLC , LC-MS or RMN without extracting them, can you give me the...

06 March 2020 6,849 4 View

Diagnostic restriction digestion not working on transformed colonies?

I have been trying to transform agrobacterium tumefaciens (LBA4404, EHA105 and GV3101) using my plasmid of interest that harbors a kan resistance gene. I got the colonies on plate with antibiotics...

05 February 2020 3,902 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

How to calculate the fraction metabolized of a drug by an enzyme using clearance(ml/min) values of the metabolite formed?

I am trying to find the fraction metabolized of a drug by CYP and UGT enzymes. I am unable to get the values of fraction metabolized (Fm) directly from the literature. Can we calculate the Fm of a...

21 February 2021 5,379 2 View

Vth increase with programming SONOS Flash in Tcad?

Hello, I've been working on this issue for more than a month now.... I made a basic SONOS flash structure using TCAD Sentaurus sProcess. (tunnel oxide/nitride/blocking oxide : 4/6/6 [nm]) Then,...

11 February 2021 3,337 3 View

Dear colleagues. How can we implement the kinetics of the polymerization of aromatic amines in easier and simpler ways?

Dear colleagues. How can we implement the kinetics of the polymerization of aromatic amines in easier and simpler ways? Are there simpler methods for Nano polymers (other than those obtained with...

09 February 2021 5,783 3 View

How can I calculate volume fraction of MWCNT from a nano hybrid composite ?

I am adding 0.1wt percent MWCNT to glass fiber epoxy composite and want to determine the volume fraction of the MWCNT from this composite but I don't know how to calculate it. can anyone help me...

09 February 2021 8,883 3 View

Fractional derivative users, are you on the same page with me on the validity of the fractional order parameter, say alpha?

Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...

08 February 2021 9,671 3 View

Is there any protein soluble in oil?

Hello, I am looking if proteins or protein fractions soluble in oil exist? For food application Thank you for your help

01 February 2021 2,103 3 View

Why and how to avoid negative values in optical density by spectrophotometry when measurements corrected by blank solvent?

I am trying to assess chlorophyll-a content from coral tissue using spectrophotometry (with SPECTROstar Nano, BMG). However, I always seem to obtain some negative values in my optical density raw...

20 January 2021 1,542 4 View

Reactivity of aromatic dicarboxylic acid?

When we use three aromatic dicarboxylic acids for esterification, what cause the difference of reactivity? ( phthalic acid, terephthalic acid, isophthalic acid)

19 January 2021 4,763 4 View