Can you do PAH determination using Solid Phase Extraction?

More Andrea Vannini's questions See All

How Download/Extract citations of 1 given year ALL my publications in Google Scholar?

If you google this you find a lot of smart guys explaining you how to download 1 year of citations of 1 single paper of yours (or anyone else). I mean 1 year of ALL my papers. or ... ALL years or...

01 March 2021 1,121 9 View

What keeps journals from switching to a "publish, then review" model of publishing?

A few scientific journals have started implementing a "publish, then review" model of publishing. It is explained well in this article: Implementing a "publish, then review" model of...

13 January 2021 5,449 2 View

Is there any project for a new translation of Freud's 1895 Entwurf einer Psychologie into English?

I'm far from being a Freud expert, but, my feeling is the 1950 translation by J. Strachey is in many ways outdated, when not misleading (starting form the very title of the essay, the awful choice...

10 December 2020 7,005 2 View

What is the main difference of diluting HCL in methanol as opposed to water?

I am hoping to determine the mass per unit area (as per DIN 50938) of a black oxide coating. I use water to achieve the required 1mol/l hydrochloric acidic solution, but a fellow lab had used...

06 December 2020 4,806 1 View

Linear Mixed Models for repeated measures - how can I restructure my data set when some variables are only collected at baseline?

Hello, I plan to perform a linear mixed model analysis to look at change in cognitive function over 5 follow up waves. I am interested in looking at how this change is influenced by dietary and...

27 November 2020 5,087 3 View

Mendeley profiles will be removed in December. What will be of the reader counts from Mendeley as early impact predictors?

Elsevier announced that Mendeley profiles will be discontinued from December. There is a study (Mendeley readership counts: An investigation of temporal and... ) that confirms the value of...

01 November 2020 4,832 4 View

Assessing MCMC convergence by matrix-parameter?

Hello everyone, I need to assess whether a MCMC chain (implemented in BayPass 2.2) has reached convergence and, as far as I know, in order to check it, I must look at the posterior distribution of...

27 October 2020 6,170 3 View

Searching for reliable antibodies for the adrenergic receptors alpha1D and alpha2A for western blotting?

Dear all, I am looking for reliable antibodies for the adrenergic receptors alpha1D and alpha2A, to use in Western Blotting on human skeletal muscle tissue. Anyone with experience with good...

25 October 2020 9,421 2 View

What is the best way to start and develop a scientific collaboration?

What advice would you give to a young researcher who has to develop his/her ability to produce collaborative scientific work?

22 October 2020 5,934 8 View

Temporal noise analysis CMOS APS?

I was reading the paper "Analysis of Temporal Noise in CMOS Photodiode Active Pixel Sensor" but I am a bit puzzled about noise calculation during integration. In particular, can someone explain...

15 October 2020 9,597 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 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

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

What urea buffer can i use for biotagged protein extraction from streptavidin beads?

Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...

24 February 2021 5,749 3 View

I have need of XRD graph analysis software for phase identification. Can you please provide links for software tools which can be downloaded?

i am trying to download x'pert high score software, but can't download it. please do suggest software for phase analysis

24 February 2021 5,687 4 View

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

What is the biochemistry of acidic solvents for phenolics extraction in strawberry?

I am using the Folin-Ciocalteu method for analysis of total phenolic content in ripe strawberries. I've read several protocol that suggest a methanol/H2O/formic acid (80:19:1) extraction solution....

22 February 2021 6,560 3 View

Vinesh Kumar

Soxhlet extraction can also be used.

Azamat Temerdashev

Good day!

Try to use QuEChERS. There are a lotof application notes for PAH in different samples using them...

Diego Baderna

Andrea ask to [email protected]. He's my colleagues working on environmental analyses with an huge experience on PCDD/Fs and PAHs. He also work on leaves.

for SPE you mean column extraction with a column able to trap PAHs?

I could send you the paper with our method for PCDD/Fs extraction on leaves from Maldives. You could work in the same way.