How to design a boost converter for a mppt controller?

I have a doubt on how to select the inductor and capacitor value when I want to implement MPPT controller. This is because we always take a maximum output voltage and current but in this case, we...

28 February 2021 3,637 2 View

Has annyone try to reuse EveryBlot Blocking Buffer (Bio-rad) for fluorescence western blotting?

Hello to every one, Our lab has recently switched our western blot technique from chemiluminescence to fluorescence. Therefore, we have to optimize the blocking buffer. We have successfully try...

05 February 2021 7,886 1 View

No title

Hello, I am using Coulomb 3.3. When I try to use the option "Build input from CMT or focal mech. data" I have the next errors: Unrecognized function or variable 'deg2utm'. Error in distance2...

18 January 2021 4,487 4 View

Does anyone know how to get a scopus or sciencedirect report of the trends in recent years on a specific research topic?

I am trying to obtain a trend report on a specific issue at your instigation in recent years

28 December 2020 848 2 View

Can the content of my research section be shown on the front page?

no details needed

26 December 2020 9,690 3 View

How do you transmit and evaluate ethics and moral values in you teaching activity?

Ethics and moral values have always being an essential part of teaching and scientific research. How do you teach and evaluate these essential subjects in your daily interaction with students?

23 December 2020 5,058 7 View

Can I use the images of Collection 1 Level 2 Landsat 5 TM / Landsat 8 OLI to perform vegetation indices right away?

I'm aware that in order to perform any vegetation index like NDVI, SAVI or OSAVI you need to do some atmospheric, radiometric and terrain corrections. I'm pretty sure that Level 2 images from...

21 December 2020 4,088 3 View

Does anyone know of cases of complete eye evulsion (eyes jumping out of their sockets) in ancient or medieval sources?

01 November 2020 1,234 3 View

How do you prepare the 4X Laemli sample buffer for use?

Hi, I am preparing to do a western blot and I need to add 4X Laemli sample buffer to my samples before adding them to the gel and I had a few questions (I am using the Biorad 4X Laemli sample...

13 October 2020 9,485 1 View

Do you believe SARS-Cov-2 vaccines will yield a robust immune response and memory?

In view of the potential for Covid-19 reinfection and the weak immune response and short duration in patients previously infected with Covid-19, many doubts have emerged if the virus is capable of...

03 October 2020 5,689 7 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

Can I use a protein-devoid condition as my negative control in ELISA?

Hello, I am running a sandwich-type ELISA where I am trying to inhibit a protein-protein interaction using small molecules. For each experiment, I determine my Z' (Z-prime) to determine the...

23 February 2021 7,429 1 View

I see 2 random bands in my ERK/pERK blot? Has anyone else seen this?

I ran a western blot using 12% gel and probing for ERK/pERK (cell signaling antibodies). The green is total ERK, the Red is supposed to be phospho-ERK. I see 2 bands below the total ERK that...

22 February 2021 1,777 3 View

Did anyone perform CD107a degranulation assay without the use of inhibitors like monensin?

I am planning to perform a degranulation assay using CD107a antibody. Some resources suggest to use inhibitors like monensin to inhibit the intracellular traficking and acidification of the...

21 February 2021 6,260 3 View

Phenol-pH graphic?

We want to use phenol pH graphic to measure the pH of mediums before and after inhibitor application to cells. We have phenol absorbence values at 460, 560 and 720 nm wavelength. When we measure...

20 February 2021 7,700 3 View

Which way will be better to give OGT inhibitors doses through intravenous or orally for pregnant female rats and concentration suggestion?

I'm planning to use ST078925 OGT inhibitor from TimTec (OGT-O-linked N-acetylglucosamine (GlcNAc) transferase) for female rats.

16 February 2021 7,850 2 View

How long does it take to design and validate transition state analogue inhibitors?

Hi, I'm asking from the point of view of designing a research plan: How long (approximately) can it take to determine the transition state structure of an enzyme substrate using kinetic isotope...

14 February 2021 2,610 1 View

Has anybody administered MK-2206 (an orally active, allosteric inhibitor of AKT) intravenously to the mice?

We aim to use MK-2206 to inhibit AKT in mice. However, a large body of studies suggests that it should be administered orally. I was wondering if somebody could tell me that is it toxic for the...

07 February 2021 6,340 1 View

ACE2 Blotted as a double band?

Hello, I have recently run a western of Vero cells for ACE2. I detected ACE2 at the correct size, but it presents as a double band. The sample was prepared by lysing cells in 1X Laemmli...

07 February 2021 6,973 3 View