Alejandra Pando

11 Questions 6 Answers 0 Followers

Questions related from Alejandra Pando

Does anyone can help me to download this chapter's booK?

Studies in Logic and the Foundations of Mathematics Volume 25, 1959, Pages 31-51 Chapter 2 Aristotle's Theory of Science

04 April 2018 869 2 View

Does anyone can help me to download this paper?

The title's paper is: Development and validation of a rapid and reliable method for TPMT genotyping using real-time PCR. Author: Lorenz et al.2012. Clin Lab. 58(9-10):959-71 Thanks everyone!

04 April 2018 960 1 View

What is the difference between the prefix "let" (for example, in let-7) and "miR" (for example, in miR-100) in microRNAs nomenclature?

What does the prefix "let" (for example, in let-7)in microRNAs nomenclature means?

03 March 2018 6,677 0 View

Why the polyanionic nature of DNA facilitates the ionization of the glucosamines units of chitosan?

I've been reading a paper where the authors said this: The strong polyanionic nature of DNA increases the ionization of a polycation such as chitosan by reducing its surfacepotential and thereby...

03 March 2016 5,503 0 View

How can I prepare sodium acetate (0.1M)/ acetic acid (0.1M) buffer pH 5.4?

How much volume I have to add of acetic acid and grams of sodium acetate?

10 October 2015 9,891 1 View

In which acid I can dissolve medium molecular weight chitosan?

Which is better hydrochloric acid or acetic acid?why?

10 October 2015 585 3 View

How much of DNA and Ethidium bromide I have to add in a tube if I wanna obtain a ratio of EtBr/DNA phosphate of 1:20?

I saw this in a paper and I wanna do the same, but I don't know how much i have to add of DNA and EtBr: A solution of linear calf thymus DNA (10 µg/mL) in the appropriate buffer was mixed...

09 September 2015 7,279 0 View

Which buffers can I use to ensure an acidic medium?( pH between 1-4)?

I'm making experiments with chitosan particles to capture DNA. I have read that in an acidic medium chitosan is in it's protonate state so the interaction between the DNA and the chitosan it's...

09 September 2015 7,951 3 View

Does anyone know the mechanism behind this result?

this is a reaction with citrate modified gold nanoparticles,thiolated probes and genomic DNA. First, i'm not sure for what reason you use thiolated probes, and second which is the mechanism behind...

05 May 2015 4,047 3 View

Which is the mechanism behind this reaction between thiolated probe, genomic DNA and gold nanoparticle?

I don't understand which is the mechanism behind the visual reaction? I mean how the thiolated probe, the gold nanoparticle and the genomic DNA interact so that you see a color change?

05 May 2015 1,569 4 View

What is the difference between using water and acetic acid when making chitosan particles?

with which group of the chitosan reacts the acetic acid?

04 April 2015 8,163 14 View