Is there an easy method for liposome preparation?

I'm trying to use new organic compounds as a remedy for sperm membrane injury, I want to use lysosomes as delivering vehicles? can any one give me an easy method for liposome preparation?

03 April 2018 1,462 3 View

What is the best method to dissolve DPPH in the aqueous systems ?

I'm working on the use of DPPH in the biological system, I need o dissolve DPPH in buffer system , but DPPH is soluble in methanol and not soluble in aqueous solutions . how can I dissolve it.

01 February 2018 336 0 View

Why the absorbency in catalase assay (Aebi method) is unstable?

I use Aebi method in the assay of catalase, but i have a problem : the absorbency is unstable which mean that the numbers increase and decrease rapidly.

10 November 2015 2,533 34 View

Is there an rapid and easy staining procedure for determining sperm morphology?

09 October 2015 2,844 5 View

How I can induce male infertility in mice?

08 September 2015 7,898 14 View

Any one have a free program for IC50 determination in DPPH antioxidant assay?

08 September 2015 3,740 2 View

What is the extraction method for determination of MDA in a meat sample?

See above

08 September 2014 5,872 9 View

In Aebi method for CCATALASE assay.. how I can convert K to International Unit of enzyme

I used Aebi method foe CATALASE assay but the equation result is reaction rate (K), how I can convert it to international unit.

08 September 2014 5,758 0 View

How to convert K to international unit in Aebi method

in the estimation of Catalase the method assay K value, what is the equation to convert it ti IU.

06 July 2014 2,427 0 View

Do you know a method for cyclooxygenase inhibition assay?

Assay of COX inhibition ability of plant extracts.

05 June 2014 10,039 0 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

Is this the write procedure for acid digestion of soil for heavy metal analysis using AAS?

How to do acid digestion of soil sample with 3:1 aquaregia in an open vessel?

23 February 2021 3,053 7 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View

Unusually Busy Raman Background?

Hello, I am observing a nearly periodic background spectrum for a wide variety of SERS substrates. I see this response (attached below) for bare Au films, Cu films, and Au nanoparticles on...

15 February 2021 9,922 5 View

How to determine the drug loading and the drug release capacity of a polymer micelle using UV spectroscopy?

Currently, I am working on PLA-PEG copolymer micelle for the drug delivery system. I have seen several papers where some researcher talks to centrifuge the drug-loaded micelle to separate the...

13 February 2021 5,822 7 View

What is the UV-vis spectroscopy and HPLC UV detector?

I did spectrum scan to levothyroxine sodium which show highest absorption at wave length=230nm which the absorption =0.136 and it's absorption at 225nm =0.047 but when Injecting it on HPLC...

09 February 2021 1,631 3 View

Please how can i write a proposal on the methodolgies of AAS to determine heavy metalsin water?

Please I want to write a proposal on the methodologies of AAS to determine heavy metals in water. please any link can help.

08 February 2021 3,587 7 View