Is it possible to index the Rosenberg self-esteem scale rather than using the score?

I'm trying to use the Rosenberg self-esteem scale in a mediator analysis, but I am unsure whether it's possible. This scale seems to result in a score, rather than an index. Is it possible to just...

23 February 2020 6,348 3 View

How bright does a moving light spot appear, compared to a stationary line of light?

A well-known phenomenon is the sparkler's trail effect: A quickly moving spot of light appears as a line of light, due to the persistence of vision. Now the question arises: What is the...

30 September 2019 1,884 1 View

Proliferation assay - relative fold changes - statistics from differnt donors??

Hi everybody,I am currently working on proliferation/metabolic assays using Alamar Blue (MTT, EZ4Y):We performed different substance treatments in 6 donors in 96 well plates. Each condition and...

29 February 2016 6,854 5 View

Insert an expected Mineral peak into an XRD pattern in XPertPro Programm?

I am analysing a XRD Pattern and expect to find magnetic minerals like Magnetite, Hematite or some else. The automatic suggestions of the Program don't give me these minerals, but I want to insert...

04 February 2016 5,055 3 View

What could be a reason for an increasing real part of the impedance with increasing frequency?

23 September 2015 5,084 5 View

How can we determine the voltage boundaries for charging and decharging a battery?

We measured a charge-voltage-curve and get the characteristic one for a single step charging reaction. What could be a scientific way to determine the voltage boundaries for our material? Up to...

10 August 2014 9,814 3 View

Any information on software for Aminco Bowman Series II spectrofluorometer?

Until an unfortunate hard disk failure, we were running a Aminco Bowman Series II fluorescence spectrometer. Now we are having trouble finding the right hardware for re-installing the software...

21 April 2014 6,802 3 View

SPSS: ANOVA with repeated measurements and with one empty cell?

I have one question which seems to be often ignored in standard textbooks in statistics. In my design there is (by definition) one cell left: I want to compare gender composition of siblings...

03 July 2013 8,219 7 View

How to estimate E1/2 from cyclic voltammetry data?

I am trying to estimate and also calculate the E1/2 of a redox reaction under different pH conditions. Is it correct that I can quickly estimate the E1/2 of a given reaction just by connecting the...

04 May 2013 6,622 20 View

What is the exact relationship between the phonetic in Chinese characters and the modern, ancient or dialect pronunciation?

I am interested in finding out how the phonetic part in Chinese characters affects the pronunciation of these characters. In particular, I am interested in finding possible patterns or rules that...

22 October 2012 2,567 7 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

Which way will be better to give OGT inhibitors doses through intravenous or orally for pregnant female rats and concentration suggestion?

I'm planning to use ST078925 OGT inhibitor from TimTec (OGT-O-linked N-acetylglucosamine (GlcNAc) transferase) for female rats.

16 February 2021 7,850 2 View

How to calculate the sample size required to detect the difference in pharmacokinetics of methotrexate?

I came across with this study here, https://www.clinexprheumatol.org/abstract.asp?a=5066 And this study says: "The sample size calculation was done to compare two different MTX starting dose...

14 February 2021 3,017 3 View

How to calculate ultraviolet dose in Gy or J/kg?

Currently I'm doing a literature review regarding the comparisons of different types of radiation such as uv, electron beam and gamma radiation. But I'm having a difficult time converting uv unit...

11 February 2021 7,642 3 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

ACE2 Blotted as a double band?

Hello, I have recently run a western of Vero cells for ACE2. I detected ACE2 at the correct size, but it presents as a double band. The sample was prepared by lysing cells in 1X Laemmli...

07 February 2021 6,973 3 View

Why do high doses of humic substances inhibit the growth of corn roots? Is there a toxicity effect?

Length, volume, surface area and dry mass of corn roots treated with humic substances increased up to 13 liters per hectare and decreased with higher doses.

02 February 2021 2,190 4 View

How to improve my BrdU immunostaining?

24 January 2021 414 3 View

Is there a study on the maximum thumb extension that can be possible in a range of population while using injectors?

In Most pen injectors while dialing the dose, the dose dialer comes our or extends outside the pen as dialing happens. How much maximum extension of dialer is acceptable for performing...

17 January 2021 9,770 1 View