Is there any researches on the effectiveness of Case Study Approach in Learning Contemporary World?

I would like to evaluate the effectiveness of Case Study Approach on the Achievement of college students in Learning Contemporary World.

07 November 2019 7,458 2 View

Does treated and untreated 96 well plate matter in MIC determination?

I'm working on MIC determination using cell culture coated 96 well plate (NUNC Catalogue no. 167008) and just wonder if this will make any difference with using normal untreated plate? I'm dealing...

08 March 2019 8,398 5 View

How to perform Encapsulation efficiency of liposomal drugs other than centrifugation method?

I have been working on EE studies for my liposomal drug. Size of the particle is around 70-100nm and I measure my drug concentration using UV-Vis method. I have tried centrifuging at ~17,000g for...

26 January 2019 7,088 14 View

What am I doing wrong with regard to fixing/shearing my testis tissue chromatin for ChIP?

Hello all. I am trying to do ChIP-seq with testis tissue, and I have been having a lot of trouble with sorting out my shearing conditions. Essentially, my sheared and unsheared chromatin always...

10 October 2018 3,474 2 View

Does anyone have advice for designing primers for large, dense CpG island like what we see in the bovine C-MYC gene promoter?

DNA bisulfite sequencing primer problems

27 March 2018 2,089 1 View

Any tips in conducting the sulfide method using the 'Standard methods for the examination of water and wastewater'?

23 January 2017 3,448 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

How can I measure the surface interaction or surface interfacial chemistry between polishing abrasives and upper surface of substrate ?

I am working on polishing abrasives. I need to do few characterizations ? which can provide the on time surface chemistry of substrate with polishing abrasive during optical polishing. I would...

18 February 2021 5,319 3 View

Despite single-cell RNA, how can I characterize a new cell subtype/phenotype?

A new cell subtype was found out only during regeneration phases after a cuprizone-induced demyelination model. How can I characterize this cell? It is important to highlight that was already...

13 February 2021 1,245 1 View

How can I spin a thick layer of organic polymer?

I need to spin a 120um thick film. My current procedure consists of spinning the polymer (about 20um), uv exposure, plasma etch, and then spinning another 20um thick layer, uv again, plasma etch...

10 February 2021 2,055 6 View

How to model in HFSS or FEKO Free Space Material Characterization?

I am having trouble setting up this problem in HFSS or FEKO. In HFSS, I've tried both FEM and FEBI-IE solvers. With FEKO, I've tried it's MoM solver and default settings. I am would like model...

09 February 2021 375 2 View

Is it possible to find out the wettability and contact angle of water on the rough or corrugated substrate?

First of all, whether it is possible to identify the presence of water and its amount on the Silicon substrate by using only FT-IR spectroscopy. Can ATR-FTIR spectroscopy find out the wettability...

03 February 2021 9,085 4 View

How do microbes tell the presence of an inorganic minaral in the soil?

Due to their ubiquitous nature, there is a tendency of the presence of microbes in a given mineral(s). For instance, if microorganisms that love the of pH less than 6 in the pH value, is isolated...

03 February 2021 4,630 10 View

In your view, which current SEM is most recommended for EBSD/TKD and EDS analysis?

I know that this is a very difficult question, as the areas of application can vary greatly. However, if you want to operate low as well as high resolution (from a few millimeters to nanometers),...

02 February 2021 4,985 4 View