What is the detection limit of ED-XRF technique for transition metals in silicon ?

Hi everybody, please, can someone tell us if the transition metals (W, Fe, Ni, etc ...) in silicon destined for solar cell manufacturing can be detected by ED-XRF technique. Note that the...

18 February 2021 6,231 4 View

How can I obtain a thin film of PDMS liquid?

I would like to prepare a thin film from of PDMS liquid. My current attempts with solvent casting, then let it dry for 24 hr at room temp. after I tried to recuperate and it doesn't work. Any...

08 October 2020 8,745 4 View

Can I use figures from my published paper without reference to the source ?

Dear researchers, Recently, my paper got published in a journal. however, i have used two figures from this published paper without reference to the source, in other paper (current statut:...

02 October 2020 2,708 5 View

Should unlimited vacations be generalized?

A few days before the start of the new school year, would you like to take a few more weeks of vacation? In some companies, this is possible thanks to unlimited vacations. Based on individual...

25 August 2020 7,621 12 View

Should the Russian Vaccin against COVID-19 be approved and produced in Octobre Or it must be backed up with more studies?

09 August 2020 2,291 7 View

How much accurate is the cropland area sourced from FAOSTAT?

Along with other statistics, FAOSTAT provides the cropland area for all countries (in 1000 ha). These estimates were used by many scholars to assess their cropland maps' quality (the closer of the...

06 July 2020 7,965 2 View

Where to find UHF RFID tag development Kits?

Hello, I am looking for an RFID tag development kit. I can see development kits for the reader but there are no kits for the tag. I need a kit that has a separate modulator, charging circuitry,...

17 May 2020 9,221 7 View

Is there a need of SeqScape soft ware and Variant reporter soft ware in MLPA data analysis process ?? Or it is only the coffalyser which is needed ?

Is there a need of SeqScape soft ware and Variant reporter soft ware in MLPA data analysis process ?? Or it is only the coffalyser which is needed ?

16 March 2020 9,640 1 View

Can freemeteo.com website be used as a valuable source for Meteorological data extraction?

I have found different historical climate data from freemeteo.com website so I would like to inquire if I can use it as a source to extract the data I need and make it as a reference within my...

03 March 2020 1,539 3 View

How could I include an interface in Sdevice simulation of traps??

I am trying to simulate traps in TFET interfaces between oxide and silicon using sentaurus Sdevice. I included the traps in command file as follow: Physics (MaterialInterface = "Silicon/HfO2")...

16 September 2019 9,039 3 View

How to avoid ulcers in s.c. injected tumors ?

Recently, we have injected s.c. B16F10 tumor cells in BL/6 mice. At around 12-15th day some animals showed ulcerations in tumors , with a big hole in the middle (it looks like a volcano). We have...

01 March 2021 9,938 3 View

I get tumor tissue from the patients after the surgery. How to isolate the top layer of cells from a tumor?

I work on gastric cancer. I want to separate the top layer of tumor cells from the lower layers.

25 January 2021 6,663 1 View

Does anyone know of a protocol where Sunitinib is directly injected into a tumor in xenograft models?

I'm fairly new to cancer research and there's a host of articles on Sunitinib being administered via oral gavage in mice models but I'm unable to find any information on studies that have explored...

10 January 2021 8,437 3 View

How many tumor cells should I seed in a 96-well plate/well for virus infectivity?

The tumor cells are from a variety of cell lines from ATCC .

22 December 2020 1,950 3 View

Difficulty getting hemavet reagents?

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02 December 2020 8,576 1 View

Combine several datasets?

Dear colleagues, I would appreciate your advice on the following issue. Let's say, first I had investigated expression of Prot1 and Prot2 in tumor tissue, it's association with relevant clinical...

31 October 2020 4,875 2 View

Does anyone know where I could find CT Dicom files to download with Contoured area around tumor ?

I am looking for CT images of different Cancer cell like ( Brain- Head&Neck - Liver- Lung and Prostate ) with contoured area that shows me where is the tumor exactly. I need to Download Dicom...

19 October 2020 3,545 6 View

Available datasets for occupational skin diseases?

Hi, is there any dataset about occupational skin diseases (especially skin cancers) that contains skin lesions images (simple or dermoscopic or histologic) ,integrated with clinical data and...

10 October 2020 3,301 4 View

How to calculate error for a Log2 ratio of mean freqeuncies?

Hello al! I am looking to calculate and plot error (SD, SEM, etc) for comparing the change in frequency for many immune cell populations between TumorType1 vs TumorType2 (indolent breast tumor vs...

29 September 2020 8,332 1 View

Who can recommend a device to test blood circulation outside the body?

The device is for a clinic or a health promotion product use. Who can recommend a reliable device to test blood circulation outside the body? Thanks.

14 September 2020 10,014 4 View