I am currently analysing pollen and phytolith from a short (1.5m) core. I do have three carbon dates: 1615±20, 1550±20 and 80±15. Any suggestions to calibrate these dates?

More Rahab N Kinyanjui's questions See All

Anyone have clinical data to diagnose diseases ?

The data will be used to compose a dataset for training machine learning model to help in diseases diagnostics.

29 March 2021 469 7 View

How to deal with COVID 19 positive cases that still positive (with PCR very close to the upper limit) for long time?

Dear colleagues, We work at a laboratory of diagnosis of COVID 19 with qPCR. As intended by the protocol, we recieve samples of positive patients until the second negative PCR (second negative...

09 May 2020 8,942 38 View

How to deal with COVID 19 positive cases that still positive (with PCR very close to the upper limit) for long time?

Dear colleagues, We work at a laboratory of diagnosis of COVID 19 with qPCR. As intended by the protocol, we recieve samples of positive patients until the second negative PCR (second negative...

08 May 2020 2,657 0 View

Is there any published papers on the use of "historical data design" (RSM) method of the "Design expert" software?

This methode is the best to fit my research.

15 January 2019 1,547 2 View

Is this description of electromagnetism consistent?

Is it possible to describe Electromagnetism in a way such that the electric field is defined as the curl of a vector potential and the magnetic field is the grad of a scalar potential? Will such...

01 March 2018 4,633 6 View

Calculating Kretschmann Invariant?

I have been trying to look for a text source where the Kretschmann Scalar for schwarzschild blackhole is explicitly calculated.Could somebody please guide me to a text on GR where this is...

18 April 2016 1,502 3 View

Why do I get a low spectrophotometre read when testing buterylcholinesterase activity?

We started a protocol to study the anti-cholinesterase activity of some plants. After dilution of 0.2 mg in 1 ml of a Ph 8 buffer and further dilute 300 microliter in 2 ml as indicated in the...

05 May 2015 7,318 3 View

How can we obtain 20% CO2 and 80% H2 in anaerobic chamber?

The requirement for methanogens are 20% CO2 and 80% N2. How do we obtain this mixture? we use an anaerobic chamber that allow to use 2 gasses but we cannot control the amounts of gases.

21 January 2015 722 15 View

How can I separate oocytes after maturation for observation?

After incubation of bovine oocytes (20), they form a film between them which makes it impossible to observe them.

28 December 2014 9,481 11 View

Does anyone have reports or data analyzing the use of orientation antimicrobial susceptibility testing?

It is the method used to give rapid presumptive information about antimicrobial susceptibility without identification of bacteria. Diarectly from organs.

06 November 2014 5,288 5 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Can anyone provide me with molecular docking softwares/ websites?

Molecular docking software/ websites?

02 August 2024 8,704 7 View

I am working on my Master's thesis on the biogeography of the genus Ruagea and I would like to ask, could someone help me to check whether my result?

I created a file with my outgroup and ingroup species using Beauti, ran it in BEAST, viewed it in Tracer, and then used TreeAnnotator to create a file that I imported into RASP. Could someone...

28 July 2024 2,979 1 View

What is the best method to detect the chemical composition of pollen ?

I have multiple small samples of grass pollen with anthers. I want to find a method to identify concentrations of proteins, lipids, and other various elements for these samples. any suggestions?

28 July 2024 5,331 1 View

Which software tools are best for enhancing diagnostic accuracy in chest X-ray imaging using image reconstruction and neural networks?

I am reaching out to seek your valuable advice and recommendations regarding the best software tools to use for this research. Specifically, I am looking for software with a user-friendly...

22 July 2024 3,794 1 View

How to test multivariate outlier in STATA?

Hey all, I need help testing for multivariate outliers using STATA for my master thesis. The literature recommends the Minimum Covariance Determinant (MCD) (Verardi & Dehon, 2010). I found the...

22 July 2024 8,821 2 View

MDCI module in Orca software?

Dear Researchers, My question is associated with the "MDCI" method in Orca. Please let me clarify my question using a simple example: Suppose we are going to perform CBS extrapolation using "!...

21 July 2024 1,632 0 View

What is wrong with my input file?

im studing gaussian 16 with reading paper about I-131 Metaiodobenzylguanidine in the paper "In a similar vein, nuclear magnetic resonance shielding values were investigated using the widely...

16 July 2024 6,040 4 View

Figure plot in scientific articles?

Hi all, Do you know how to plot this figure? I found many of them in Nature journals but have not figured out how to make them. Which software/tool do you suggest? Thank you very much.

15 July 2024 8,384 2 View

How can novel network architectures, such as software-defined networking (SDN) and network function virtualization (NFV), in Handover?

How can novel network architectures, such as software-defined networking (SDN) and network function virtualization (NFV), contribute to improved handover performance and reduced latency in future...

12 July 2024 6,183 1 View

Rahab N Kinyanjui

Thank you Lance!!

Bernhard Paul Weninger

I took the CalPal-download offline in February this year (2013) for non-scientific conflict reasons but CalPal is still available (personalised) to researchers world-wide. Please send me a mail and I will send you a link from where you can download the software package (Windows OS).