Which variables can be used to increase/decrease the grain size of czochralski-grown polycrystalline silicon?

Which variables (such as pull speed, melt temperature, annealing temperature/duration, cooling rate, etc.) affect the grain size of czochralski-grown polycrystalline silicon? In what direction...

10 January 2021 2,204 6 View

Can somebody recommend me a decent textbook to learn more about signaling pathways and their mechanistic principles in general?

I studied biochemistry and molecular biology in my bachelors and Immunology in my masters. I never came across a suitable course for general signaling pathways and principles. My interest is...

13 December 2020 5,690 5 View

Do you have any application suggestion for automated data collection for surveys?

I'm planning to do survey for about more than 700 people online. Is there has any software you can suggest to collect the data? Thanks

05 October 2020 8,079 7 View

Where can I obtain Streptomyces lividans strains for enzyme production?

I am having trouble figuring out where to obtain Streptomyces lividans strains that are commonly used for enzyme production. Specifically I am searching for the following strains: S. lividans...

25 May 2020 6,205 3 View

What devices are available for percutaneous pH monitoring?

I'm interested in percutaneously measuring local changes in tissue pH in vivo with and without a therapy. What devices are available for percutaneous pH monitoring in large animals?

20 March 2020 2,731 3 View

CAn i extract a summary of all citations for each of my research items that also lists number of citations without doing one at a time for each item?

Shouldn't be that hard???

23 January 2020 4,400 3 View

How to genotype between wild-type and heterozygous mutant zebrafish with only 1 bp difference?

22 January 2020 7,703 4 View

What is the best way to approach building a custom polypeptide?

I am trying to build a custom poly peptide that is ~50 amino acids in length, and it will ideally have a charge of ~+4 at pH 7. I can get the positively charged attributes from incorporating a...

08 December 2019 3,597 1 View

Whole Blood Over Recovering Compared to Blood Plasma?

My Immunoassay is giving higher analyte concentrations for the same sample before plasma separation vs after plasma separation. For instance, I run my assay with whole blood, and I get a reading,...

10 July 2019 7,391 3 View

How can I perform a meta-analysis of incidence rates (X events per 100,000 person years) with 95% CI without a comparison group?

I'm performing a meta-analysis, attempting to produce a summary statistic for incidence rate of events of sudden death per 100,000 person years with 95% CI, and eventual subgroup analysis. I am...

11 June 2019 5,867 5 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why am i not getting solid after reacting APTES with salicylaldehyde?

The reaction of APTES with salicylaldehyde in ethanol leads to the formation of imine compound yellow solid which is mention in literature, but I am not getting yellow solid I don't know why? when...

28 February 2021 2,955 2 View

Do you kow of any database containing data on retention time, log P and polarizability for a large number of molecules?

Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...

24 February 2021 2,602 1 View

How to best wash a 96-well plate containing microplastic?

I am planning my protocol for my dissertation for an experiment quantifying bacterial (E. coli) biofilm formation on micro-plastic (5mm discs of polyethylene bags) by conducting a crystal violet...

23 February 2021 7,868 2 View

Are there any known solvothermal methods to synthesize MoS2 nanosheets using solvents other than water (like ethanol/ethanol-water mixture) ?

I need to synthesize MoS2 nanosheets by alternate methods without pure water as a solvent.

22 February 2021 9,246 1 View

How to seperate PEG-4000 from aqueuse phase ?

Hello everyone , Please tell me if It possible to seperat POlyethelyn glycol -4000 from an aqueuse media by other ways rather heating . I have tried salting out by electrolyte solution to...

22 February 2021 7,285 5 View

What is the best etching method for Mg-Ca alloy?

I have used Picral etchant (4.2 g Picric acid, 10 mL Acetic acid, 70 mL Ethanol, 10 mL distilled water) but it didn't work. Is there any alternative?

21 February 2021 2,558 5 View

Can ethanol be used as an analgesic?

If ethanol has analgesic properties, why isn't it used for clinical purposes?

18 February 2021 8,227 4 View