Suggestions Spectrum Repositories of Minerals/Ores and Rocks?

More Gustavo Schmidt Cabral's questions See All

Journal of Research in Humanities and Social Science. Is a real magazine?

Dear colleagues: I have received many emails from a magazine called ournal of Research in Humanities and Social Science. I have gone to the website of this journal, and I read "some" indexes but,...

13 December 2020 6,208 6 View

How can I connect a thermocouple to an oscilloscope?

I would like to measure temperature with a very high acquisition rate during a test that takes place in under 1ms. I was thinking of using a thermocouple and an oscilloscope. Which kind of signal...

26 October 2020 1,736 6 View

How efficient are HiTrap desalting columns for separation of proteins from free fluorescent labels?

I am looking for a reliable and fast method for separation of protein-fluorescent probe conjugates from the respective free fluorophores present in labeling reactions. HiTrap desalting columns...

06 September 2020 8,039 8 View

Which antibodies are recommended for CTLA-4, Tigit, Lag-3 and Tim-3?

I am new to immune oncology. What are the best antibodies against CTLA-4, Tigit, Lag-3 and Tim-3 for IHC and Flow cytometry? Are there any problems I need to be aware of?

19 August 2020 6,258 4 View

PhyloCode now a mediatic debate?

The recent official publication of PhyloCode has caught my attention, not for new arguments being presented for a system that has already been extensively discussed and, as I see it, whose...

04 July 2020 726 10 View

Immobilizing an antibody with Protein A/G for SPR?

I am planning to perform an antibody-ligand interaction study with SPR/Biacore. The idea is to immobilize my antibody with Protein A/G. It would be great if you could share your comments, what to...

23 June 2020 7,705 3 View

How to write a password automatically in a bash script?

I have a script that download multiples files from a server, but for each one it requires me to write a password. These are 1000, so it would be laborious to write 1000 times the password. How...

02 April 2020 852 2 View

How to define parametric modulators for multiple conditions in SPM?

Dear RG Community, I am performing an SPM analysis in which I've got 8 conditions plus the baseline in an event-related experiment. Each condition has 4 trials, totalling 32 trials per run. There...

02 April 2020 7,060 1 View

Alkali Resistance of SS316, Nickel and Hastelloy?

Does anyone know or may anyone assist me to find which of these materials (Stainless Steel 316, Nickel, or Hastelloy) is the most resistant to a highly concentrated NaOH solution (>27 mol/L)...

26 March 2020 6,875 6 View

Recommendations/tips on publishing datasets?

In my research about vibration of hermetic compressors, I'm creating a dataset that I intend to make it available once I publish the paper it refers to. Do you have any tips or recommendations on...

18 March 2020 7,803 5 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Johnson Masinde

Hello Gustavo Schmidt Cabral , could this help?

https://www.usgs.gov/centers/gggsc/science/usgs-high-resolution-spectral-library?qt-science_center_objects=0#qt-science_center_objects

Chapter Remote Sensing Geology

Michael John Patrick

USGS High Resolution Spectral Library https://www.usgs.gov/centers/gggsc/science/usgs-high-resolution-spectral-library

JPL Spectral Library https://speclib.jpl.nasa.gov/documents/jpl_desc

Also see http://www.planetary.brown.edu/pds/other.html

Also, it is possible to discover other, more specialized ( by region, sensor, domain, etc. ), libraries using Google Scholar.