Protein Quantification Outside Standard Curve?

I am running a Bradford protein assay and my protein values are falling beyond the standard curve. I am already using 1uL of sample in the standard microplate assay. Is there a way to extend the...

13 December 2020 6,672 3 View

How to analyze sodium lauryl sulfate using HPLC-RID?

Hi, I am analyzing the content of anionic surfactant: sodium lauryl sulfate (SLS) in commercial detergents using HPLC-RID/refractive index detector. I used column Agilent Zorbax Eclipse XDB C-18...

15 November 2020 1,405 2 View

Cs-Gluconate for intracellular solution?

Dear patch-clamp enthusiasts, For patch-clamp recordings of vomeronasal sensory neurons, I need a cesium-based intracellular solution. Because I also need a defined amount of chloride, I have to...

11 November 2020 6,384 7 View

PLS- Is it normal that the standardized regression coefficients of my model do not coincide with the VIP values?

I am trying to perform a partial least square model (PLS) using one response variable and 33 explanatory.. Before the analysis I have standardized all my data so i am expecting that the regression...

19 October 2020 6,702 2 View

Which is preferable for whole rat brain clearing: tert-butanol or xylene?

I am performing LM on whole rat brains with a specific focus on the hippocampus and cannot find which information on which clearing technique is better.

05 October 2020 1,306 1 View

Is recoding negative questions always necessary when downloading to SPSS from SurveyMonkey?

I formatted a survey in SurveyMonkey using questions from a valid and reliable instrument (Principles of Adult Learning, Conti, 1978). Questions used a 6 point Likert scale (Always, Almost...

29 September 2020 8,194 4 View

Clarification on Shapiro-wilk sig. , skewness and kurtosis?

Hello, Maybe is a bit silly question but, I have a variable (N=78) and on shapiro-wilk test the sig. is .008 which is just over (greater) than 0.05 meaning that is just about normally...

29 August 2020 1,384 4 View

How to use Clamping and interpret its outcomes in MAXENT?

For my Masters project I have been creating SDMs using MAXENT, and the next stage involves using future climate projections in the 'projection layers directory' to see potential future...

25 June 2020 2,658 6 View

Google Earth Engine for Multitemporal analysis (Land Use Land Cover Change)?

Hello. I am reading about Google Earth Engine (GEE) and their applications for vegetation, landcover and agriculture mapping. I am analyzing an area of 20Mha to determine a multitemporal changes,...

01 May 2020 2,059 11 View

Why do we use qPCR with a singular reference primer?

Hi, I am doing a qPCR and using a reference primer for my lab research project. However, I am not sure what is the purpose of having a singular primer for my reference gene and having both...

28 February 2020 1,636 3 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

No title

01 March 2021 3,905 5 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

How can we limit artifacts caused by rotation in fiber photometry?

We are trying to run fiber photometry experiments for long time scales, but we get these sinusoidal artifacts that come up. We think they may be caused by twisting of the fiber optic subject...

25 February 2021 568 1 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How do historians determine the credibility sources in modern history?

For a source to be considered reliable it must contain accurate historical information. But how does one determine the accuracy and reliability of sources in modern and recent history since not...

23 February 2021 1,346 13 View

Methodological confusions regarding deductive and inductive reasoning, hypothesis and theory test?

Hi Colleagues- What do you think about the following methodological issues: 1. Is it methodologically wrong to formulate quantitative research questionnaire based on inductive reasoning? 2. Is it...

21 February 2021 4,634 6 View

How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View