CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

Dear Scientists, do any of You use Cresset software?

I have question about building 3DQSAR model via regression model. I cant achieve r^2 more than 0.6 for 'test set' as well as for 'training CV'-what is this?. I am wondering whether 'training set'...

17 January 2021 3,463 4 View

Why its is important the connection between wavelets and filter banks?

If multirate filter banks have been used by engeeniers before wavelets theory, why it is important and useful to know that those filter banks correspond to wavelet functions?

11 May 2020 5,895 2 View

How to teach discrete wavelet theory for undergeaduate computer scientist?

I wondering if you know texts, guides or any didactical advice that can help is to teach discrete wavelet theory to undergeaduate computer scientist

11 May 2020 3,458 3 View

Description/diagnosis vs. holotype?

The Shenzen Code in his several articles treats the way botanists should move around nomenclature. It is interesting to read all the several examples that the Code brings for each case. However,...

22 January 2020 4,817 6 View

Which are the best methods to artificially increase the size of numeric datasets ?

Hi, I'm writing a paper about Data Augmentation and I'm looking for some way of increasing the size of a dataset. I'm already aware of the techniques used for images (transformations, PCA,...

06 June 2019 8,206 6 View

Factor analysis pattern matrix value < .3 how do you interpret items that dont load 2 any factors?

If running a Factor analysis (principal axis) requesting 6 factors and suppressing value < .3 how do you interpret items that don't load onto any factors in the pattern matrix? Is this simply...

02 April 2019 4,165 2 View

What is a good digital microscope/borescope, compatible with a smartphone?

I wish to purchase a smartphone-compatible microscope, primarily for counting scales on small lizards, identifying invertebrates etc. A low magnification capability (e.g. 5 or 10x) is more...

30 December 2018 2,765 4 View

CaDA approach to zinc ions in GROMACS - technical problems?

Recently I've tried to use the following...

20 August 2018 3,321 2 View

How can I calculate light intensity at the focal plane of an objective?

I have a fluorescent light source and an objective lens and would like to measure the light intensity at the focal plane. I can measure the light intensity at a different position but need to...

01 April 2018 8,003 4 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Can anyone advise me about a cortisol antibody made in rabbit to set up an ELISA?

I am trying to set up a cortisol EIA using mouse anti-rabbit IGg as coating and a rabbit cortisol antibody as secondary ab. I am searching for a sensitive and specific cortisol Ab made in rabbit

20 February 2021 3,366 5 View

Which anesthetic for cortisol determination in fish?

I am a bit confused. I am planning an experiment in the field where fish will be caught by electrofishing. Afterwards, they are supposed to be euthanised by using an anaesthetic. I found...

10 February 2021 1,101 4 View

Differences between sheep blood with Alsever solution vs citrated/defibrinated sheep blood in microbiological media?

I am aware of a study that has compared the use of citrated and defibrinated sheep's blood in microbiological media (Hair Sheep Blood, Citrated or Defibrinated, Fulfills All Req... ), but can...

10 February 2021 5,927 1 View

The same lC-MS for Forensic Toxicological and Chemical expertises?

Dear Colleagues! How correct and appropriate is it to carry out a forensic toxicological examination of drugs and psychotropic substances in biological objects (in blood, urine, hair) and a...

24 January 2021 4,489 2 View

Is there a paper on the development of the SQFM(AA), the Shorter questionnaire for family members affected by addiction?

I can't find anything on the validation of this tool. It measures stress/strain/coping/support for family members of substance users (or those addicted to gambling).

23 January 2021 1,463 4 View

Which compounds might cross-react with cortisol in Elisa kit?

Hi, I'm analyzing cortisol in post smolt salmon with two elisa kits. The first is made for human saliva (Fairly cheap) and the second one for fish (three times the price). I was hoping to get...

21 January 2021 6,874 1 View

Is CISS-21 available to the public?

Good evening all, I wondered if anyone had any idea if the coping inventory for social situations (CISS-21) was available for public use or whether I need to correspond with someone regarding...

18 January 2021 471 2 View

Does anybody face the wavy hair problem in C57BL/6 mice using High fat diet (60% calorie fat)?

10 December 2020 340 4 View

How Healthcare Personnel help frontline workers cope with stress and mental burden during COVID-19?

Which methods does they suggest to ease the burden and stress as a teamwork?

09 December 2020 9,605 7 View