Why do I get more than 100% percentage of inhibition for my DPPH assay?

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Is there a subtle distinction between the terms "substitution" and "doping"?

Dear Prof, is there a subtle distinction between the terms "substitution" and "doping" when referring to modifying ceramic dielectric materials for example Na0.5Bi0.5TiO3? Is there any difference...

08 July 2024 2,043 3 View

Can other standards be used to generate IRF file instead of LaB6,Si etc.,,, for Rietveld Refinement?

Hi, my research involves in ZnO synthesis. I have performed rietveld refinement of my samples and obtain a good fit using Fullprof suite software. However to obtain the crystallite size, the IRF...

07 July 2024 3,526 3 View

How to calculate corrosion rate from potentiodynamic polarization test data for dissimilar welds?

we need surface area, corrosion current, equivalent weight and density of the metal involved for corrosion rate calculation in mm/year (lets say). For dissimilar metal welds, how can we measure...

30 June 2024 5,943 2 View

How to convert energy count spectrum into 2D/3D image?

Respected researcher, I want to know that is there any way or one can help in generating a 2D/3D image using the energy count spectrum of from backscatter methods. How can I design such an...

29 June 2024 10,023 1 View

How do pharmacokinetic and pharmacodynamic processes differ in children compared to adults, and how should drug dosages be adjusted accordingly?

Pharmacokinetic and pharmacodynamic differences, adjustments drug dosages in children to ensure safe and effective therapy.

21 June 2024 7,491 1 View

What are the good journals for Pharmacology?

I want to know about the journals that don't charge for the publication of an article and also the one that takes less time to process.

20 June 2024 9,211 0 View

What is Academic Research Paper?

I do a research about Non-Verbal Communication: Gestures and Body Language in Classroom.

18 June 2024 8,737 1 View

Can i deduce the presence of surface states based on my XPS data?

In my XPS spectral, i detected oxygen group bonded to carbon and in my zinc spectral (note : my sample is ZnO) ...there are two valent zinc species available, (which is unsual as my previous...

17 June 2024 3,888 2 View

Problems/ Challenges regarding Dark Tourism?

Im currently writing my Thesis on Challenges/ Problems/ Particularities regarding Dark Tourism and have a little trouble finding the right literature. I have found a lot of literature for dark...

14 June 2024 7,262 2 View

Action research design is Quantitative Studies or Qualitative Studies?

14 June 2024 1,684 1 View

Is skin yellowness an numerical or ordinal variable?

I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...

11 August 2024 4,793 1 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

How to normalize and take the significance of the MTT OD values with 3 replicates for the same cell-line?

Hi, I have a question about normalizing the MTT OD values for doing the statistical analysis. So, if we have 3 different plates and we call them 3 different replicates, so, first we would...

07 August 2024 8,106 4 View

How can I calculate IC50 in DPPH test by using graph pad prism software?

How can I calculate IC50 in the DPPH test using graph pad prism software? or suggest a manual method and other software to calculate the IC50 value.

06 August 2024 8,848 3 View

Why activated CAR-Jurkat cell could not kill targets?

Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...

06 August 2024 641 2 View

The aqueous fraction of the hydroethanolic extract is showing the presence of palmitic acid. What is the mechanism responsible ?

Palmitic acid presence in aqueous fraction

05 August 2024 8,624 4 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

What Are the Best Alternatives to the MTT Assay for Assessing Cell Toxicity of Colored Herbal Extracts?

I am currently investigating the cytotoxicity of a series of herbal extracts, and like many studies, I have been using the MTT assay to evaluate cell viability. However, I am encountering a...

31 July 2024 193 4 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View