What is the positive and negative effects of immigration on family relationships?

Sonja Cornelissen-Botha @Sonja-Cornelissen-Botha

22 March 2025 0 9K Report

How does immigration affect the immediate family members as well as the extended family?

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Has anybody have any troubles with yields for the methylation of a carboxylic acids using base and MeI?

I am trying to do a simple methylation of a carboxylic acid, using base to deprotonate the carboxylic acid and then adding the MeI while refluxing. The reactions did form the desired product but...

31 March 2024 10,011 4 View

What spores would these be?

Good day, Please could you help me identify these spores found in wheat roots? The foliar symptoms excipt that of Soil-Borne Wheat mosaic Virus hence I was looking for Polymyxa graminis but...

12 October 2023 2,937 1 View

What is the most effective invasive and non-invasive measuring technique for a circulating fluidized bed with a solids volume fraction of 0.05-0.15?

I am currently working on a research project that explores the flow patterns within a flue gas desulphurization, circulating fluidized bed riser, with a gas flow rate of 4-8 m/s. The gas (air)...

27 March 2023 3,762 0 View

Geothermobarometers for Amphibolite/Granulite?

I recieved EMP data from zoned amphibole, clinopyroxene and plagioclase from my rock sample. It doesn't contain garnet, only few biotite, some quartz and carbonate minerals. In my opinion...

08 February 2022 5,812 0 View

Is there a possibility to purchase human isolated mitochondrial DNA?

Hi everyone, I am currently trying to establish an assay based on the oxidation of isolated human mitochondrial DNA. I have been trying to isolate the mtDNA myself, and oxidize it afterwards,...

03 November 2021 5,937 0 View

Seahorse assay: when is the OCR too high so the O2 level (mmHg) gets too low (unintended hypoxia during the run)?

During Seahorse mitostress assays, we have great variance between different cell lines regarding their oxygen consumption. One cell line is tricky because at relevant confluency, the basal OCR is...

23 August 2021 3,017 2 View

What fungi or mold is this isolated on pda-C from a wheat leave?

Goo day; Wheat samples were bought into the lab with yellow stripes and mosaic-like symptoms on the leaves. The diseased leaves were sterilized with 1% NaOH and plated out on pda-C. plates were...

22 August 2021 1,810 9 View

Subculturing weird soil bacteria?

I am growing bacteria from soil samples I obtained from mine tailings. I spread the samples on some nutrient, luria and tryptic soy agar plates. But, some of the colonies are growing just beneath...

14 April 2021 7,104 5 View

CyQuant cell prolif. assay - how old can it be and still work??

Hi, I have frozen two 96-well plates with cells that I need to stain using the CyQuant Cell Proliferation Assay from ThermoFisher (C7026). However, I didn't realize that we only have some very old...

06 January 2021 448 4 View

What are these round structures found inside Wheat roots?

Good day, please assist me with the following. what are these Round structures found inside Wheat roots? Roots were in KOH Solution overnight and autoclaved for half an hour. Then viewed und a...

10 August 2020 9,039 3 View

Could international experts in media and journalism, AI, communications and international communication share this conference link?

"Integration of Mass Media and Communication into the System of International Relations: Place, Role, Actuality and Prospects: Modern Media Issues 2024" Website: https://immcir.alnoor.edu.iq/

23 July 2024 3,139 6 View

What are the main obstacles to achieving a ceasefire or peace agreement between Russia and Ukraine?

It has been a quite long time since the Russia and Ukraine war has been going on and if we see the context of Geopolitics and International Relations we don't see a mediation between the two...

18 July 2024 6,737 4 View

?como elimino articulos que no son propios?

eliminoar articulos que son de tu autoria

05 July 2024 2,107 1 View

In what ways do economic factors influence family dynamics and relationships?

Economic factors influence family dynamics.

02 July 2024 6,235 0 View

Name of my daughter?

karma

20 June 2024 6,189 1 View

¿ Los paises en vias de desarrollo son mas abiertos frente a las politicas migratorias?

Es posible observar que mientras que paises como colombia con altos indices de pobreza y desigualdad, abrieron sus fronteras a millones de migrantes venezolanos, por otro lado algunos paises de la...

16 June 2024 236 2 View

How can military technology serve to combat and/or mitigate the threats posed by the climate emergency?

Context - I am an International Relations student, and President of the International Relations Society, at the University of Exeter. I'm currently undertaking a week long group research...

02 June 2024 349 2 View

Can I delete my duplicated profile asap?

Hello, I duplicated my research account by mistake recently. The recent one shows 2 research publications. I would like to delete it immediately but I don't know how. Can you assist please? I...

28 May 2024 905 0 View

¿Cuáles creéis que son los mejores videojuegos para utilizar en educación?

Estoy realizando un curso de Divulgación y Marca Personal del G9 en el que me solicitan hacer una pregunta abierta en ResearchGate.

19 May 2024 4,290 1 View

Volcano plots - why there were some long gaps inside the volcano without any dots?

Hello, everyone! I got a very weird shape of volcano plot with R. It doesn't have a typical shape and I want to figure out the reasons behind this problem. In my plot, I found there were some...

10 May 2024 3,339 2 View