HPLC_MS or GC_MS analytical method for acrolein, without sample pretreatements?

Can anyone suggest a GC-MS or HPLC-MS analytical method to identify Acrolein in a solid sample (soluble in ethanol), without any pretreatement of the sample (no purge and trap, no SPME)?

24 March 2020 3,223 9 View

What is the standard ratio for ethanolic extraction?

I happen to use 300 g and soak it in 1L of 95% ethanol.

13 September 2018 5,402 6 View

Which is a good anti-somatostatin antibody for IHC?

I am looking for a good anti-somatostatin antibody for fluorescent immunostaining of mouse interneurons

22 October 2017 4,217 3 View

How can I quantify tumor burden in mouse lungs in a metastatic model of Lewis lung carcinoma?

I am setting up an experimental metastatic model of Lewis lung carcinoma by intravenous injection of LL/2 cells into the tail vein. I am looking for ways to quantify tumor burden in the lungs. I...

27 February 2017 7,929 2 View

Rocking curve scan XRD ?

24 July 2016 2,892 1 View

Ceramics pigments: Is grinding under one micron possible?

03 October 2015 5,747 7 View

How can I calculate the penetration depth of X-Ray in a solid sample with geometry GIXRD?

with the GIXRD (classic theta-2theta instruments) without the cradle of Eulero, it's possibile to control the penetration depth by the incident angle in solid samples. What is the equation for the...

11 March 2015 3,276 4 View

How can I calculate the penetration depth of x ray ( XRD), in a solid sample with geometry GIXRD?

with the GIXRD (classic theta-2theta instrument) without the cradle of Eulero , it's possible , to control the penetration depth by the incident angle in a solid sample. what is the equation for...

11 March 2015 6,733 9 View

What hardware/software do you use to have GIS data on the field?

I am wondering what solutions have you found to have your GIS data on the field with you? I do not mean simle points/coordinates, but also raster files (derived from remote sensing). I am...

26 May 2014 5,914 5 View

Can someone advise me a software that can do multidimensional fitting?

I have 6 or 7 parameters to fit. t = f ( x1, x2, x3......) and I can do some experiments to determine the parameter matrix, but I'm not able to find the function (polynomial).

04 February 2014 119 5 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 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

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 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