Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

Methodological confusions regarding deductive and inductive reasoning, hypothesis and theory test?

Hi Colleagues- What do you think about the following methodological issues: 1. Is it methodologically wrong to formulate quantitative research questionnaire based on inductive reasoning? 2. Is it...

21 February 2021 4,634 6 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View

How the standard hydrogen electrode value is convertible into reversible hydrogen electrode?

As much I remember +0.0592*pH, as I am working on CatMAP, so my voltage values are in SHE, not RHE.

18 February 2021 1,685 3 View

Any information about dinitrosalisylic acid reagent end point color stability ?

I work on estimation of alpha amylase activity using dinitrosalisylic acid reagent If i put the reagent to stope the enzymatic reaction and allow the reagent to react with the produced reducing...

17 February 2021 7,402 4 View

Is There are any idea to achieve H NMR signals for swollen compound ??

the samples are not completely soluble - just swelled the solvents that's mean the sample may be partially soluble any suggestion, please

16 February 2021 8,801 3 View

Is there association of SARS-CoV-2 infection rate with meteorological factors?

There are contradictory research papers about the correlation between meteorological parameters and incidence of COVID-19 in some countries worldwide. Is there correlation between the...

15 February 2021 5,806 2 View

Are there alternatives to the Devarda alloy when estimating nitrogen?

Are there alternatives to the Devarda alloy when estimating nitrogen? devarda alloy is reducing the nitrate to ammonium

15 February 2021 8,838 3 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 View

What could be exact way to remove invasive Prosopis juliflora from arid and semi-arid tropics of world where species is considered disaster ?

Prosopis juliflora is considered a noxious weed but its eradication is very costly inhivitive if no impossible ! We have very strong openion that it's spread could be chacked only if it's pods are...

25 January 2021 4,433 7 View

Simultaneous imaging of multiple components (Carbohydrates, Fat, Protein) in food products using confocal microscopy??

Hi Everyone, I am trying to characterize the microstructure (localization of carbohydrates, fats, and proteins) of coconut milk powder using confocal microscopy. From the review of the available...

12 January 2021 5,464 2 View

Can enzyme that is extracted from Aspergillus niger be used in the range of 4-40% v/v for optimization of veggie juices like broccoli??

09 December 2020 7,083 3 View

Does anyone has suggestions to extract carbohydrates from E. coli?

Dear colleagues, We are interested in extracting carbohydrates fro E. coli and the protocol we've seen so far include too many hours in a sonicator. Does anyone has suggestions or experinece in...

26 November 2020 5,907 3 View

Enzymatic threatment in plant material: Recommendations in designing the protocol?

I am working with a complex plant material and I want to test different enzymes on it and measure the changes in carbohydrates and proteins fraction compared to untreated material. I got no...

05 November 2020 7,178 1 View

At what temperature the enzymes that split nonstructural carbohydrates in plants are killed?

29 October 2020 6,410 4 View

Genomic DNA Exteraction from Asp nidulans?

Hi All, I have several trials for few months to extract good genomic DNA from some cultures of Asp. nidulans, most of them worked with CTAB extraction from freez-dried mycelium (30-40-60 hrs old)...

21 October 2020 6,030 3 View

How to dissolve non-hydrolyzed lecithin in water?

Hello, Is it possible to dissolve non-hydrolyzed lecithin powder in water without oil content (or oil phase such as in emulsion). Is carbohydrate content or glucose content of non-hydrolyzed...

14 September 2020 535 4 View

How can extract RNA from plasma by trizol?

Hi Dear Colleagues, Could anyone explain an optimized protocol to extract total RNA from plasma samples? We would like to extract total RNA from plasma samples through Trizol, however, after the...

11 September 2020 7,456 3 View