1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why does the testosterone dissolved in dmso and methanol turns into a white dispersed precipitate when subjected to serum free media?

1mg of testosterone is dissolved in 20 microlitre of DMSO and Methanol respectively. The interpretation showed a positive result. However, when 1 ml of serum free media is subjected to the...

27 January 2021 8,213 1 View

After G actin polymerization and labelling I didn't got filaments. Why?

Purified G actin and got 42kda band and an additional band just below it. While performing G actin polymerization and labeling with rhodamine-phalloidin I didn't observe filaments under the...

20 January 2021 3,751 2 View

What all factors do we have to consider to interpret cytocompatibility of a nanomaterial from Actin DAPI stained images of HOS cells cultured with it?

Phalloidin stained filaments and dapi stained nucleus

08 December 2020 8,548 3 View

Will there be any changes in pcr result if one uses same dna with same PCR conditions and same pcr forward and revwerse primer after 10 months??

Actually, I am doing pcr for Kleb.pneumonia gene. I have did pcr of 90 samples initially and all were positive at that time. But now again when i am repeating the pcr for those 9 samples with same...

20 October 2020 4,383 11 View

How do different slots on patch helps in increasing the bandwidth of an antenna?

antenna designing

15 October 2020 1,788 4 View

What is the mathematical model of antipodal antenna design?

what is the mathematical expressions and equations used for the designing of antipodal structure of an antenna.

26 September 2020 7,948 3 View

Culturing of PANC-1 cell line?

I have ordered PANC -1 from Atcc. Upon plating them, the cells are taking around 4-5 days to reach 60% confluency. However, by end of 5th day , the background is becoming blurry with what seems...

15 March 2020 9,990 3 View

Can you consolidate a 5-point Likert Scale to a 3-point Likert scale for analysis?

Hi, I am a novice, first time researcher who started a research project with very little experience in designing questionnaires. My survey consists of 5 parts or sections with each section having...

19 February 2020 4,160 3 View

Is it possible to do CV, LSV studies in 3 electrode system for solid polymer electrolytes?

Can anyone help regarding ELECTROCHEMICAL STUDIES will be able to perform in 3electrode system for solid polymer electrolytes. As we are preparing solid polymer electrolytes combinations of two...

16 December 2019 7,271 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

What is the minimum number of exosomes/ml to have a good yield of total RNA for Illumina sequencing?

I am using IZON qEV2 columns to isolate exosomes from 100 ml of cancer cell conditioned medium. in NTA analysis I usually see concentration of 2x10^9 particles/ml. But when I proceed with this...

20 February 2021 6,879 3 View

Can anyone help with an Accurate Diffuser Expansion Loss formula for rectangular shaped diffusers in turbulent flow regime?

I have tried Idelchik's Handbook of Hydraulic Resistance 4th Edition (2007 page 300) formulas and across some range the formulas are reported valid for, the law of conservation of energy is...

20 February 2021 2,504 1 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

How to avoid ATP degradation while performing ATP assay?

I am using the ATP Assay Kit (Colorimetric/Fluorometric) (ab83355) for measuring intracellular ATP from treated cell lines. Although my standards are wokring fine when using the fluorometric...

15 February 2021 3,746 4 View

What are backpropagation formulas for residual neural networks?

14 February 2021 4,194 3 View

Why would one go up and then down with gradient during HPLC?

I think I've seen it previously, but the current example is from this publication https://www.mdpi.com/1420-3049/14/5/1825 where they used the following gradient on HPLC: min ... % MeOH 0 ... 2 20...

09 February 2021 5,422 3 View

Stats to compare recharge of groundwater and determine if precipitation has more of an effect on groundwater levels before or after resto??

Hello all, I am looking for ways to compare recharge of groundwater and determine if precipitation has more of an effect on groundwater levels before or after restoration? My data set contains a...

08 February 2021 7,887 5 View

SARS-CoV-2 Spike Protein Western Bands?

Hello, I am western blotting SARS-CoV-2 spike protein from lentiviral using an antibody against S1. To prepare samples, I mixed concentrated lentivirus 1:1 with 2X Laemmli buffer and boiled...

07 February 2021 3,643 4 View

What are advantages of NELF model?

I am trying to simulate permeation of gases in polymers. For this reson normally i use the clasic models like dual sorption model but newly i foun dthe non equilibrium lattice fluid model. It...

03 February 2021 1,203 3 View