Does sodium alginate have any antioxidant/antibacterial/antitumoral activity?

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How can I use proc nlmixed for two-level joint model for data that is not longitudinal?

11 May 2024 4,239 0 View

Resilience and proactive technology management ?

Hi everyone, I hope you are doing well. I'm a Ph.D. student and a university teacher from Tunisia. I am preparing a presentation for my students, and I would appreciate your assistance with...

24 March 2024 9,190 3 View

Participation REQUEST-Resilience and proactive technology management?

Hi everyone, I hope you are doing well. I'm a Ph.D. student and a university teacher from Tunisia. I am preparing a presentation for my students, and I would appreciate your assistance with...

24 March 2024 6,527 3 View

How one can decrease background noise in EMSA assay with SYBR Safe dye?

Hi all, I am performing an EMSA assay for RNA-Protein binding and I am using SYBR Safe dye. I have 0.75% agaros gel that contain 1X THE buffer and 100mM NaOAC. As you can see, I have lots of...

12 February 2024 4,436 4 View

What are the merits of using Methyl Orange rather than other Dyes in photocatalytic degradation?

11 February 2024 5,486 3 View

Hi , can we use CST to design different kinds of waveguides like rectangular uniconductor, coaxial & ... in THz frequency ?

I need to know how can we use CST to design different kinds of waveguides like rectangular uniconductor, coaxial & ... in THz frequency? like f=1THz

17 January 2024 5,942 2 View

Why my cell line stock after being revived had a large number of apoptotic cells?

Hi. I am involved in a project in the area of gastric cancer and I should make a culture from KATO III cell line. I revived my stock. But after 48 hours I saw apoptotic cells. The culture media,...

17 December 2023 9,981 5 View

Are very small or negative p-norm stress sensitivity values expected in global p-norm stress measure?

I'm working on p-norm topology optimization in plane stress using a MATLAB code adapted from the article An efficient 146-line 3D sensitivity analysis code of stress-based topology optimization"...

17 December 2023 1,282 2 View

Is it possible to apply AHP on two criteria to calculate weights?

I am currently investigating the application of the Analytic Hierarchy Process (AHP) with a specific focus on two criteria. I'm interested in understanding the feasibility of using AHP for weight...

10 December 2023 6,855 2 View

Is Montreal cognitive assessment sensitive and appropriate for comparison between schizophrenia and bipolar disorders?

I want to compare cognitive impairments between schizophrenia and bipolar disorders. considering limited normalized cognitive assessments in my country Is Montreal cognitive examination fine with...

04 December 2023 8,754 2 View

Sodium azide in immunohistochemistry?

Hello everyone, A collaborator sent us his protocol in order to be able to use his immunohistochemistry kits. But one step contains PBS + 0.3% H2O2 + 0.1% sodium azide. Knowing the dangerousness...

23 July 2024 6,314 3 View

How do I prepare a working stock solution of 14C sodium bicarbonate to get a final activity of 3uCi?

I need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...

15 July 2024 5,898 0 View

Validated HPLC method for the estimation of the Amphotericin B ?

During the release test of Amphotericin B using 1% Tween 80, i observed three peaks even in the standard. The first peak consistently yielded results around 500%, while the other peaks showed...

08 July 2024 1,330 0 View

Can we detect DOC fractions through LC-OCD for a sample containing Sodium Azide?

I did some column tests in my lab where I needed to detect the DOC fractions using LC-OCD. For the abiotic columns I used sodium azide to restrict the biofilm formation. I did LC-OCD to detect the...

07 July 2024 468 0 View

What can be done when electronic minimization does not converge during geometry optimization in CASTEP?

Hello All, I've been facing difficulty in executing geometry optimization of a sodium polyanionic phosphate (Na4Fe3P4O15) crystal in CASTEP (please find the input and output files attached). When...

07 July 2024 8,626 2 View

How could I determine antioxidant activity of Capsicum annuum fruits?

I need a detailed protocol of any suitable method for ex., DPPH to determine antioxidant activity.

28 June 2024 3,855 2 View

Is it possible for the soil pH to be around 8, but with negligible amounts of carbonates, bicarbonates and exchangeable sodium?

Can this pH of 8 be due to the presence of other substances? Or do I have an error somewhere in the analysis? Thank you!

26 June 2024 9,093 4 View

Nicotiana benthamiana seeds sterilization methods for tissue culturing?

I have been trying to grow Nicotiana benthamiana via tissue culture. I used ethanol and sodium hypochlorite with different concentrations and time duration for seeds sterilization and lastly...

18 June 2024 1,756 3 View

Can I dissolve DPPH in THF for antioxidant activity Assay ?

My compounds are soluble In THF, so I woould like to know If for antioxidant activity I can prepare DPPH in THF. Before, I did a test in wich I had DPPH in ethanol, but when I Add my sample in...

17 June 2024 4,183 3 View

Depletion experiments fo these three antioxidants in Atlantic Salmon?

Are there depletion experiments for these three antioxidants in Atlantic Salmon?

16 June 2024 1,915 1 View