How to write a protocol for drug dosage standardisation to study vascular reactivity?

Urgently needed a few protocols. Regarding how to select dose for studying vascular reactivity for a particular drug. How to mention that in objectives? And also share a protocol/procedure that...

08 September 2019 6,154 2 View

What will be over all effect on contraction in presence of L NAME, If we are assuming that contractile agent causes eNOS uncoupling?

Suppose any hypercontractile agent is causing Enos uncoupling and we have noticed contraction in that presence, Now we are incubating the aortic tissue with L-NAME and contractile agent for 1...

01 February 2018 3,228 0 View

What is effect of polarity on OD of proteins?

If I will increase polarity of solution for protein sample. Will it show increase in OD or decrease in OD. Please give reason.

06 July 2017 3,185 0 View

How to determine of intracellular Ca2+ level in rat isolated aorta by a fluorimeter (CAF-110; Jasco, Japan)?

02 March 2016 380 2 View

Does any body knows how to dissect cavernosal tissue from rat?

31 December 2015 5,233 1 View

What is the way to dissolve Quercetin in DMSO. i need final concentration of DMSO 0.01%?

I am facing problem in Dissolving Quercetin, I have prepared Quercetin 50 mM in 100% Dmso. Then i did serial Dilution to make lower concentration of Quercetin. After Adding some Amount in Micro...

31 December 2015 9,266 4 View

MY question is whether this metal enzyme complex binding in case of arsenic and/ Mercury metals a reversible process or irreversible process ?

when we expose our smooth muscle to metal pollutant, it causes scavenging of enzymes like SOD, and GPx , MY question is whether this metal enzyme complex binding in case of arsenic and/ Mercury...

06 July 2015 3,878 0 View

Is there any proper layer formation in reducing power assay?

02 March 2015 2,026 1 View

How can I know concentration plant extract with out solidfying the extract for quantifyinf phenolic groups?

I have extracted plant leaves in crude form I did not went for any vaporization or deep freezing now. I would like to know antioxident activity and phenolic group concentration, how can I know...

01 February 2015 8,853 6 View

What is procedure for dissolving 22 mg in dmso? can we use plant extract dissolved in dmso for antioxident study. or dpph assay

01 February 2015 9,618 9 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 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

Should we change media after1st 6hrs after plating HUVEC bought from INVITROGEN?it's not recomended by invitrogen.Will DMSO present in stock matter?

We have HUVEC bought from Invitrogen. Cat no -C-003-5c. while first plating the cells we have bought the protocol suggests not to centrifuge the cell with media to remove the DMSO. Should we...

02 March 2021 3,713 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View