How to dissolve cross-linked Amberlite IRC120 H, hydrogen form resin?

Hello all, I have used Amberlite IRC120 H, hydrogen form acidic cation-exchange resin for the ion-exchange of waterglass [sodium silicate solution -- 40% Sodium silicate (mol ratio > 3.2)...

21 February 2021 5,614 3 View

What molecules bind to dsDNA?

Hello, there are some molecules that bind to double-stranded DNA; for instance, SYBR green and some antibodies. Are there more examples? Thank you

25 January 2021 7,595 4 View

What are best conditions for in vitro hybridization?

Hello, I would like to hybridize a probe and an anti-probe (ssDNA oligonucleotides) in a reaction vessel. What would be the best buffer to use? and the temperature of annealing? Thank you

06 December 2020 4,121 0 View

Which is the best statistical approach to an experimental measurement?

Hi everyone, my question is the following. I have to perform an experiment with the aim of finding a correlation between a quantity X (e. g. temperature) and a quantity Y (depending on X). Which...

06 October 2020 3,911 6 View

How to activate polystyrene with carboxyl group?

Is there a simple (that is one that requires few and not very exotic reagents) chemical reaction to "activate" or "functionalize" the polystyrene of a simple microtitre plate? In other words, I...

06 September 2020 233 3 View

What is the stability of EDAC in aqueous solution?

06 September 2020 4,305 3 View

What test to compare shannon index results?

Hello, I have obtained the following Shannon indices from a trio of samples: 27.73 (healthy tissues), 24.55 (primary colon tumor), and 1.20 (metastatic tissues). The indices have been obtained...

30 August 2020 5,543 1 View

What is the concentration of acid for an ELISA stop solution?

Hello, what is the correct molarity of a stop solution for a peroxidase using o-Phenylenediamine dihydrochloride (OPD)? I am getting all sorts of molarities, from fractional up to 3 M according to...

01 July 2020 3,729 1 View

Is there a database for bacterial features?

Hello, is there a repository of the basic characteristics of bacteria, such as maximum growth rate? In the works related to the modelling of bacterial growth, the parameters requested are always...

25 February 2020 5,498 2 View

Can the PCR fail to amplify high loads of target?

Hello, I did the PCR (long-range, target ~5 Kb) that is shown in the attached file. The lanes are: 1. ladder 2. target (plasmid purified from E. coli after transfection), 50 ng/uL corresponding to...

18 February 2020 6,863 3 View

Can I perform two way ANOVA in case of some missing groups?

I had control cells and performer ELISA analyses group (time 0). I stimulated cells with substance A and B and cultivated for 1, 2 and 3 hours. On each cells I performed ELISA. I have results...

17 February 2021 8,933 4 View

How to address mutual causality using Propensity Match Scoring using a panel dataset?

Hello dear researchers. I have a panel data set where I regressed innovation on director tenure. Though, I employed GMM and lag of the director tenure to address the endogeneity and reverse...

08 February 2021 5,809 1 View

What is the relationship that determines the depth of the mechanical cultivator with the age or size of the weed For crops planted in lines?

the great depth of the cultivator may lead to passage under the roots without killing them and may give negative results to break up the soil below the roots, increasing their activity, especially...

03 February 2021 3,198 7 View

How can we measure disease severity of a pathogen in a crop?

severity index, measuring method and procedure detailed

01 February 2021 1,160 11 View

Where can I find the receptor binding domain (amino acid sequence) of ALL pathogenic viruses?

I want to compare the RBD of all pathogenic viruses? Is there a database or manuscript that anyone knows of where I can access these?

25 January 2021 3,843 4 View

Does use of hand sanitizer negatively impact the skin microbiome?

Hello, Most hand sanitizers contain 60-80% alcohol. Alcohol destroys organisms including bacteria, fungi, protists, and enveloped viruses by breaking down the plasma membrane. In recent...

16 January 2021 6,923 11 View

What is this culture medium for?

Here is the composition of a culture medium named BM medium. It doesn't contain carbon source and nitrogen source, while after cultivation something grow on that. Could anyone explain what...

31 December 2020 8,060 5 View

Why mutual inductor takes high current at no load condition?

I simulate an inductive wireless power transfer system in matlab. I set the primary and secondary mutual inductor resistance is 0.3ohm. So when i run the circuit it took high current at no load...

29 December 2020 9,536 3 View

Does anyone recycle cell culture media and if there is a person what is the procedure and WHY do they do that?

our team researching to cultivated meat, and there is some question related to cell culture media and recycling cell culture media: 1) is cell-cultured media recyclable? 2) has anyone recycled...

27 December 2020 1,467 4 View

How do mRNA vaccines work and what differentiates the technology from the rest?

Most vaccines contain an infectious pathogen or a part of it, but mRNA vaccines deliver the genetic instructions for our cells to make viral or bacterial proteins themselves. Our immune system...

25 December 2020 3,982 4 View