How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

Pseudo random number generator in Matlab code ?

i want to implement pseudo random number generator in matlab ...i request to every one if someone have code these PRNG share with me SplitMix Permuted Congruential Generator (PCG) Random...

14 February 2021 6,828 7 View

Post doctoral positions ?

I am looking for a post doctoral position in the field of optical thin films and associated area. Kindly let me know if you come across any active advertisement in near future where i can apply.

04 February 2021 9,622 4 View

How to convert ng/ul of DNA concentration to pmol/ul ?

Dear researcher, After amplifying my target gene (1900bp) into the required cDNA by PCR,>cut specific gel bands and purify the gel and the concentration was 30ng/ul. Next, performed A-Tailing...

21 January 2021 2,671 3 View

Can use Unigenes from RNA sequences for overexpression studies (transformation) without requiring a specific plant genome?

Dear researchers: If the plant genome has not been released yet, can Unigenes from RNA sequences be used after BLAST and confirmed with known Arabidopsis genes for function/overexpression...

20 January 2021 5,557 2 View

Can BLAST/ search by using known Domain in Transcriptome/Genome data for a gene family?

Dear Researchers, I have Transcriptome/Genome data and want to list all the member of a KCS/CER gene family whose Domain AP2/ERF, FAE1_CUT1, according to the Arabidopsis database, so is there...

15 January 2021 2,293 3 View

Is it necessary to measure the concentration of PCR/Gel purified product for A-tailing and TA cloning?

Dear Researchers, While working on plant gene transformation, so after cDNA + Gene Primer amplification, >the PCR/Gel were purified, so next for A-tailing and TA cloning is mandatory to...

12 January 2021 3,272 34 View

Can use the same vector for overexpression and transient expression?

Dear Researchers, I am using pCAMBIA1301/1302 vectors for overexpression study, so can use the same vectors for transient expression? or need to design another vector for transient expression;...

08 January 2021 7,975 2 View

Why negative controls also showing the specific bands of promotor and other regions (GUS, GFP etc.)?

Dear Researchers, I did a transformation of an empty vector (pCAMBIA1301/1302) into my passion fruit plants, for the optimization of the transformation protocol. After transformation; DNA...

06 January 2021 8,465 99 View

How should I prepare my tissue sample for biodistribution study?

I want to evaluate the biodistribution of an elastin-based nanoparticle drug in tumor, heart, liver, and kidney for the first time. Can anyone give me any idea about how to prepare my tissue...

04 January 2021 3,661 3 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Did anyone ever try using pLVX-TetOne Plasmid with a copGFP as a selection marker instead of Puromycin?

When using a lentiviral vector for inducible expression of genes using the Tet-On system. In the literature, I saw a widely used of pLVX-TetOne-Puro Plasmid, is there a reason why people prefer to...

25 February 2021 1,011 3 View

How to Control Whiteflies in coconut leaves?

24 February 2021 1,005 1 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

How to use protein A G beads to purify antibody?

Secretory universal influenza antibody CR9114 were successfully expressed by adenovirus vector ,then we used protein A G beads purify CR9114.But the molecular weight of the purified antibody under...

22 February 2021 4,318 2 View

Purification of proteins from baculovirus-infected insect cells?

18 February 2021 6,665 6 View

Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

Pile-Raft connection?

Greetings, I was wondering what is the optimal way to connect the reinforcement at the top of the pile (the part that connects to the raft foundation): -The pile bars are left straight and...

16 February 2021 2,007 3 View

Best protocol for immunogold using araldite resin ?

Hello, We perfom Tokuyasu method (ultrathin cryo sectionning) very often to make immunogold experiments. This time, we need to make a PLT technique with K4M or LR white resin. Our results were...

14 February 2021 4,959 1 View