Among all the environmental pollutants globally how much % out of 100% is due to chemists?

Environmental pollutants and hazardous are major issues through which the modern world is suffering. Among all the environmental pollutants and hazardous materials how much contribution is from...

31 December 2020 6,039 3 View

Among All the environmental pollutants how much % out of 100% are due to chemists?

Environmental pollutants and hazardous are major issues through which the modern world. Among all the environmental pollutants and hazardous materials how much contribution is from chemists (out...

31 December 2020 833 7 View

How to prepare selenium nanoparticles from selenium dioxide?

For the preparation of selenium nanoparticles mostly selenious acid is used however if someone try to prepare it from selenium dioxide what will be the proposed procedure or mechanism?? Is it...

07 December 2020 4,979 4 View

What are the exact phytochemicals present in the plant extracts which act as reducing and stabilizing agents in the green synthesis of Nanoparticles?

There are hundreds of research articles published on the green synthesis of nanoparticles of various metals and metal oxides nanoparticles using plant extract (where mostly the extract of leaves...

30 November 2020 735 6 View

How can I derive the Fresnel reflection coefficient in matrix form?

I need help in deriving the Fresnel reflection coefficient in matrix form for the 2 X 2 reflection matrices. After diligently searching online, I noticed I could get the steps in a book called...

11 October 2020 215 3 View

How to collect data for Regional Research Study?

08 October 2020 8,003 4 View

Can we test the same hypothesis by using two different techniques Regression analysis (SEM) and Variance analysis (ANOVA)?

I have model where I have four dependent variables in nomological order and 3 independent continuous variables . To test casual relationships I first compared means of outcome variables across...

19 June 2020 7,764 8 View

Is there an Instrument to Assess Faculty Members Readiness to Implement Knowledge Management?

I am searching about an Instrument to evaluate readiness of faculty members to implement knowledge management?

01 March 2020 5,394 3 View

Could you please help me by solving the following integration?

Dear Colleagues, I'd be grateful if you provide me the solution or give an idea to solve integration. Thanks in advance. Huda

12 February 2020 1,989 15 View

What is the best way to approach a scientist for Post Doctoral research position?

I have completed my Ph.D. During Ph.D., I had worked on various aspects of the pathogenesis of Candida glabrata. However, in Post Doctoral studies, I want to work on immunological aspects for the...

11 February 2020 4,482 8 View

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

02 March 2021 7,082 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

Anyone that can help with details in phosphopeptides enrichment?

Anyone know the amount of protein before enzymatic digestion for phosphopeptides enrichment of serume sample in Ti-IMAC? Has anyone ever use Ti-IMAC(the material is from Chinese company named...

28 February 2021 7,310 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

Does anyone have a sequence for the human CD34 promoter?

I'm looking for the human CD34 promoter sequence to engineer into a vector construct. Can anyone recommend a good source for this sequence? Thanks very much, Laura

25 February 2021 8,205 1 View

Problem with ligating 2.8 kb insert into 8.5 kb plasmid?

I am trying to clone 2 copies of the same mammalian gene into the pSF-CMV-Ub-Puro Ascl (contains HindIII, KpnI and NheI cut sites) plasmid. This is what the final product is supposed to look like...

24 February 2021 6,310 3 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

Sanger Sequencing results not matching experimental results of Restriction Digestion, colony PCR and protein expression?

I have cloned two domains of a gene into two bacterial vectors using cut and paste cloning with different RE sites. I checked the putative clones by colony PCR and Restriction Digestion (fallouts...

18 February 2021 6,736 4 View

Alternatives to traditional cloning of insert into backbone (dsDNA)?

Hi, I am stuck with a cloning experiment: The insert & backbone(bb) share one compatible end at 3' end(NotI) and one incompatible end at 5' end (XbaI for insert; HindIII for backbone). So i...

16 February 2021 1,664 3 View

How do you calculate a discrimination index for polytomous data?

Hello, I'm currently running a PCA on a polytomous data set (5 point Likert). I want to create a discrimination index to narrow down my items before running the PCA. After looking around, I'm...

13 February 2021 3,517 2 View