How to exclude direct effect of drugs to neurons in mouse parkinson's model?

26 October 2020 1,127 2 View

LC3I band detection?

Hi, I have some questions about the electrophoresis and transfer condition. In our lab, we used 15% gel to SDS-page and semi-dry transfer In electrophoresis, i migrated the stacking gel in 80 V...

14 October 2020 4,046 2 View

How can i solve this problem, OPV active film getting hazy?

Hi, guys.. These days, I have some problem in OPV processing. To be more specific, the active film is OK right after spin casting. But while drying it, the film is getting hazy..... it is changed...

07 January 2020 7,673 4 View

How to make SnO2 thin film by SnCl2-2H2O?

26 November 2019 5,407 3 View

What size of gold nanoparticles should I synthesize?

13 July 2019 5,878 2 View

how high temperature pepper fruits can resist?

I hope to monitor how fungal conidia (colletotrichum acutatum) infect on dead pepper fruits. so, I dipped sliced fragments of a pepper fruit in boiling water for 30 seconds and inoculated fungal...

11 July 2019 6,618 3 View

Is it appropriate to use DMSO:Corn oil (50:50) in mouse as IP?

Is it appropriate to use DMSO:Corn oil mixture (50:50) in mouse as IP? I heard corn oil can induce colitis as IP, but there are many researchers using corn oil as in vivo test. I wonder your...

03 December 2018 4,092 1 View

Do you know reason for wrong output on HOMO and LUMO energies in Gamess?

In the output result, I found that HOMO and LUMO energies were too high. I wonder what is the problem in here. Please check attached files. In first file, NPREO was used to print homo-1, homo,...

23 August 2018 7,738 7 View

The usage of clock circuit in micro controller chip?

Why do we use clock circuit when we are designing certain micro controller onto PCB? What it is usage? What other circuits do we need in order to proceed? Would you be able to give some advice...

03 January 2018 8,975 12 View

When is the timing changing the cells ?

We use cells as doing subculture (ex: cancer cells). However I don't know of the timing changing the cells. When is the timing changing the cell ?

26 October 2017 4,525 6 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How does the gut microbiome affect the fibrotic process within the liver?

and Can the gut microbe be used for the treatment or diagnosis of liver fibrosis?

02 March 2021 557 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

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

What is the most common number of epitopes in an multi-epitope Vaccine?

hi everyone, I'm interested in the field of vaccine design specifically multi-epitope cancer vaccines , I want to know if there is a minimum and maximum number of epitopes we could use in a...

27 February 2021 3,882 3 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View