How to prepare OH- terminated Si Wafer?

Hi, Folks. I am working on the ALD project to deposit Al2O3 on the Si wafer from TMA and Water. I have struggled with the preparation of OH- terminated Si wafer. I have both Si(1 0 0) and...

08 February 2021 8,792 2 View

BrdU staining issue?

Hi everyone. I bumped into the difficulty that I couldn't get any signals from my brain section in the DG region of hippocampus. However, I have standardized the BrdU protocol in my brain...

13 January 2021 9,449 0 View

Real Time PCR: What is the justification for acceptable variance within 3 Ct? Is there any publication on this variance?

Hi all, I was not able to find any source with evidential justification for why the acceptable variance for internal control should be within 3 Ct and not other numbers of cycle of amplification....

17 December 2020 9,481 1 View

Methods for multivariate discrete-time time series clustering?

Can somebody suggest a popular method for clustering multivariate discrete-time time-series data ? My dataset is about water quality parameters taken in 6 stations by seasons in 5 years . Thank...

09 December 2020 6,933 12 View

Effective number of species and Wilcoxon Signed Rank Test for diversity between 2 ecosystems: is this accurate?

Hi! So I'm currently studying the diversity difference between 2 ecosystems. I ran a Shannon-Wiener test on site 1 and site 2 and found the indices of 1.525 and 2.165 , respectively. I have done...

22 November 2020 6,798 1 View

How to reproduce the sub-grade of pavements without using soil?

Dear colleagues, In order to evaluate the performance of concrete slabs-on-grade, the sub-grade should also be considered in the testing setup. Using soil or sand to reproduce the sub-grade is a...

20 November 2020 7,921 1 View

How to determination of available silicon in fertilizer by UV-Vis?

Hello everyone! I have a problem with when the determination of available silicon in fertilizer by UV-Vis. I do that following method A 5-Day Method for Determination of Soluble Silicon...

10 November 2020 1,370 10 View

What is the problem with my 10um Nissl stained cell?

Please see the attachment. In my case, I tried a lot of time on the Nissl staining on 10um cryosection. I am not sure which step goes wrong? I make sure my anti-rolling glass is intact. seem like...

07 November 2020 9,568 3 View

Where and how do I specify frequency in the route section of frequency-dependent calculation (Gaussian using Linux)?

Hello everyone. I would like to compute the dynamic hyperpolarizability value of a molecule using Gaussian on Linux OS. I have read that the essential keywords to include for such request are the...

07 November 2020 5,620 4 View

What type of regression should I be using?

I am planning to conduct a study with the following variables: A - independent variable B - intervening variable C - dependent variable D - moderating variable between B and C The framework...

22 October 2020 5,324 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 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

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02 March 2021 3,060 3 View

Which is the best place in the world for the plant biotechnology research?

I am searching for a good place for the Post Doc,

02 March 2021 4,053 3 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View