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

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

Can you help complete a survey, if you know/ have used LPWAN technology in smart cities/transportation applications?

IoT/LPWAN User Survey Link: https://lnkd.in/dVdK-ea ----------------- Dear Sir/Madam, We are surveying the use of Low-Power Wide-Area Network (LPWAN) technologies (e.g., LoRa, SigFox, NB-IoT) for...

05 August 2020 9,001 3 View

How can I get the correct J-integral during crack propagation?

Hi. I'm learning GTN fracture mechanics in Abaqus/Explicit. But I can't get J-integral during crack propagation. Please, help me.

07 May 2020 6,589 3 View

I am conducting forest inventory in a tropical forest but I am not a botanist. Could anyone provide me the field guides for plant ID?

The inventory will focus on trees that has a diameter >5cm. Tropical Forest of Central America For example: Gentry's field guide to the families and genera of northern South America or any...

05 March 2020 865 3 View

Accuracy of land-use classification and uncertainties in land-use change assessment?

I am analyzing land-use change in 3 periods. For each period, one land-use map was derived from remote sensing technique along with accuracy of classification. I want to ask if there is any...

23 February 2020 8,063 5 View

How to design an exercise to enhance a psychological phenomenon such as self-compassion?

- What is the principle behind practicing/enhancing self-compassion? Or other words, how is self-compassion enhanced by practicing these exercises on Kristen Neff's website:...

04 November 2019 9,866 1 View

Has anyone conducted an ECCI experiment at high temperatures?

I know that ECCI is a powerful means of observing dislocations on the surface of the bulk material. However, unlike TEM, SEM, and EBSD, I have never seen the results of an ECCI experiment at high...

15 September 2019 5,660 1 View

How can I synthesis Amine and Chlorine including fragment?

Hi, All I trying to synthesis peptide with Amine (NH2) and Chlorine including fragment. I tried second times. 1) just left peptide with amine & 4X chlorine 3h 2) peptide with amine & 4X...

04 September 2019 6,534 4 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

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

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View