I don't get a synthesis sample by pcr, what could I modify? considering that I already started from a standard protocol, I still don't get samples?

More Adriana Albanese's questions See All

Could someone please suggest a suitable program for assembling plasmids containing repetitive sequences from short paired-end reads?

Hello! I'm trying to assemble some plasmid vectors that contain two repetitive regions (with around 500 and 250 bp) and it is being hard to get the complete sequence. If someone knows a better...

03 February 2021 6,379 3 View

How to calculate the number of degrees of freedom in a Mantel test?

Hello, I've performed a Mantel test between my microbiological data and the geographic distance where those samples were collected, using a table with 516 samples. However, the test doesn't...

16 January 2021 8,713 4 View

Which are the Non Small Cell Lung Cancer markers?

I would like to sort from a fresh specimen of lung cancer Non-Small Lung Cancer cells and cancer-associated fibroblasts to establish two different cell cultures. Which markers should I use? Thank...

04 January 2021 7,986 3 View

Women learning styles/ Women cognition development- Any suggestions for research based on Belenky's work?

I'm looking to expand my sources on the topic

10 December 2020 5,426 17 View

Why do protein and mRNA levels not always correlate with each other?

Hello, I have performed WB analysis and qPCR analysis to analyze the protein level and the rispective gene relative expression of mTOR, GBA1, LC3 genes in brain of mutant mice. I observed a...

01 December 2020 4,486 2 View

Sankey Diagram: Waht is the sample size needed?

Hello everyone. I would like to ask your help on the decision about the best methodology to determine the sample size to conduct an observational study. This is a study to be carried out by a...

16 September 2020 9,014 1 View

How to convert, excel files into (.vgd) or (.vms), ( .dts), (.dpr), (.vgl) files ?. Is there any software is available for this conversion?

I need a compatible file with Avantage for XPS of Themo Scientific but y only have excel files (.xls)

07 September 2020 215 3 View

Why does LC3-II not increase after CQ treatment in vivo?

I have administered CQ treatment (50 mg/kg) in twelve-months-old C57BL/6J mice to assess autophagic flux. I validated this protocol on 3-months-old mice first, obtaining an accumulation of LC3II...

05 April 2020 5,018 3 View

Any expert on air pollution and its consequences on soil, plants and food production that is available to answer some questions?

Hello, I am a 3rd year Journalism student at Solent University. I am currently working on my Final Major Project. My project is about how air pollution influences our environment, and I will...

16 February 2020 6,332 2 View

In the sphere of education for the third millennium could education and inclusive school be an answer?

An inclusive education implies the development of inclusive societies. The inclusive, open-minded school for all educators and everyone, flexible and anchored in solving any educational problem...

07 March 2019 5,999 6 View

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Bought HUVEC from Invitrgen.need to revive it.expected it is cryofreezed in DMSO.Do I need to remove the DMSO for plating the cell for the 1st time?

After I cryofreeze the cell do I need to remove the DMSO for culturing the cell for next passages .

28 February 2021 7,738 3 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

How to dilute Toxin-DMSO solution?

I have a concentrated solution of a toxin(50 micromolar) in DMSO 100%. I need to dilute it inorder to dilute both the toxin and DMSO wich can be toxic to cells. Which would you guys recommend to...

19 February 2021 7,447 2 View

Any Homemade Organic Synthesis Practices?

Hi everyone, I am a teacher of Heterocycles Synthesis, Is there a home practice that you recommend for undergraduate students? A simulator would also be useful Due to the pandemic, students...

18 February 2021 2,769 4 View

Johan De meester

Dear Adriana,

Did you run also a positive control ?

Here is a video article that might help you out : Article Polymerase Chain Reaction: Basic Protocol Plus Troubleshooti...

Adriana Albanese

Hi Joan, if I used positive control and still .. nothing !! many for everything,

I consider this work that you sent me