How to perform PCoA in R with given UniFrac distance matrix?

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Would You Buy This Book?

With any luck at all, this book will save you countless hours heading down rabbit holes. While you might find something wonderful in those rabbit holes, this book will get you started on your...

09 January 2024 2,020 0 View

Hello i am a first timer in extracting bacterial dna from soil, and the two attempts i did was all failed during the gel electrophoresis?

Attached here is the kit I've been using

07 February 2023 3,145 5 View

Which concentration of the caspase-1 inhibitor Z-WEHD-FMK is suitable for experiments with primary macropages (BMDM, C57BL6/J)?

Hello! We would like to treat BMDM with the caspase-1 inhibitor Z-WEHD-FMK before bacterial infection. I only found two publications suggesting either 20 or 100 µM for primary macrophages. Of...

06 July 2022 3,981 1 View

Does anyone has experience with Mannosidases from "Creative Enzymes"?

Hey everyone, I'm currently looking into ordering some mannosidases and ended up at that website called creative-enzymes.com. I would like to order the mannan endo-1,6-α-mannosidase from that...

14 July 2021 8,171 1 View

Interested in transition-topics on special need's kids, too?

I'm currently writing my Masterthesis about attitudes of (kindergarten-)teachers towards transition of children with Special Needs ans role of OTs in this process. Would this fit the topic of the...

28 September 2017 2,541 1 View

Can anyone recommend articles about ethnic identity of hazara people in iran and in afghanistan + social roles? Thanks a lot!

What are the main issues in the ethnic identity of hazara people and what are the differences between hazaras localised still in afghanistan and of hazara living in iran (refuge)? How they...

16 August 2017 1,394 3 View

Can you evaluate social gender (not sex) with a questionnaire?

Generally, in educational studies, biological sex is used as a variable to distinguish different genders. As biological sex and social gender may differ, I would like to use social gender as a...

27 April 2017 6,056 6 View

Gonium predation experiment - what would be a suitable predator?

I would like to do a Gonium predation experiment and have trouble finding a suitable predator. So far I have tried Stentor and Daphnia but they do not seem to find Gonium nutritious enough. I've...

16 April 2017 3,195 2 View

Novels/Short stories dealing with the Five Senses (vision, sound, smell, taste, touch)?

I'm looking for novels and short stories that would be useful for a study of sensory images in literature, preferably such works in which a particular sense (or two) represents also a/the major...

06 November 2016 202 39 View

Does anybody have unpublished data on cue-reactivity in behavioral addiction?

Dear all, we are currently working on a meta-analysis on cue-reactivity in behavioral addictions (e.g., gambling, gaming, buying, exercise, working, Internet...). Does anybody have unpublished...

26 January 2016 9,622 2 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,047 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,689 1 View

Usage of internal standards in LC-MS/MS analysis?

Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...

05 August 2024 3,082 6 View

Request a single Lecture notes for math as detailed as this that I can find in one place?

- The Existence/Uniqueness of Solutions to Higher Order Linear Differential Equations - Higher Order Homogenous Differential Equations - Wronskian Determinants of $n$ Functions - Wronskian...

03 August 2024 2,366 0 View

Is it true that science is leaving the era of mathematics and entering the era of matrix mechanics?

We assume this to be true. Science leaves the era of mathematics and enters the era of matrix mechanics and the turning point is the discovery of numerical statistical theory called Cairo...

31 July 2024 3,898 2 View

Tissue homogenization in mouse with FastPrep-24™ 5G - is the D matrix system useful?

I need to lyse and homogenise mouse tissues. So far I have experimented with liver and lung tissue, using matrix D. The liver was completely lysed with 6 repetitions of the standard program, but...

31 July 2024 9,186 0 View

Help on understanding the implementation of Mori Tanaka method on MATLAB?

I am new to Micromechanics and having similar problem with understanding the implementation of the formula's. I would appreciate if anyone can guide me on how to go about getting a scalar value...

30 July 2024 968 0 View

How Can I Apply Hashin Damage Properties to Solid Elements in Abaqus Without Using VUMAT?

Sure, here is the translation: I have a 3D orthogonal woven composite structure where warp, weft, and binder yarns are oriented in three directions. After modeling these yarns and the matrix in...

28 July 2024 8,169 0 View

Can we find a statistical matrix mechanics equivalent to the Schrödinger equation?

We assume that we can find a statistical matrix mechanics equivalent to Schrödinger's PDE in two consecutive steps: i-Transform the Schrödinger PDE describing the wave function Ψ into its square...

27 July 2024 3,959 4 View

Can biogeographical regions work as a character in a character matrix for a phylogenetic analysis?

Basically I'm helping with the matrix using a cosmolitan group, could one of the characters used for be biogeographical regions (Neartic, Neotropical, etc)? Most of the data in this matrix refers...

25 July 2024 9,752 2 View