How to analyze DPPH antioxidant scavenging of AgNPs synthesized by natural methanolic extract?

How to make stock solution which diluted into various concentration (ex. 10, 20, 30 ppm) and added by DPPH solution. Then read by spectrophotometer UV-Vis? Should I sentrifuge the solution of...

10 December 2019 8,354 5 View

How to simply fabricate homogenous boron nitride film on the slide glass?

Hello, i have a question regarding on surface fabrication technique, since i am not familiar with this work before. I am going to try to fabricate a thin boron nitride (BN) film on the bare glass...

03 December 2018 3,406 3 View

Can anyone help me with the PLA blends thin film

I want to produce PLA blends by using solution casting method. I am using chloroform as a solvent. The steps are conducted in fume chamber. I have precondition the PLA in an oven at 70 deg around...

13 August 2017 5,987 2 View

Could somebody help me about small scale endophyte fermentation ?

I have read some methods to start endophyte fermentation. Some using starter, and some are not. I wanna ask three question 1. how important is starter for small scale fermentation (100 mL) ? 2....

09 October 2016 7,720 10 View

How does to calculate treatment time for Cobalt-60 teletherapy unit in SAD/isocentric technique?

Treatment time (for teleterapy unit) is similar with monitor unit (for LINAC). Manual calculation for MU or time depends on dose delivery technique, there are SSD tech. and isocentric tech. To...

25 December 2014 3,099 3 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

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02 March 2021 3,060 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 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