21 February 2019 1 4K Report

Because nucleases are "supposedly" not to allow uptake of DNA molecules or fragments. Attempts at transfers in the laboratory are also difficult experiments.

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Where can one get the global statistics on CO2 reinjection for enhanced oil recovery and storage purposes ?

I am working of the impediments of Co2 reinjection and would like to review the current reinjection statistics.

13 August 2023 5,517 2 View

Class D Power Amplifier on ADS?

Hello, I would like to ask if there is any typical schematic for a Class D power amplifier that is designed on Keysight ADS software that I can adopt for a designed HEMT device? With the main...

11 April 2022 8,124 4 View

How to Simulate the Spectral of a power amplifier and calculate adjacent channel power ratio (ACPR)?

I have been trying to simulate a few classes of power amplifiers such as Class A Class AB Class B Class E Class F I have developed the models for the classes using Advanced design system (ADS)...

05 April 2022 1,237 6 View

Which tool for assessing risk of bias in non-randomized studies that do not investigate interventions? ROBINS-I? Newcastle-Ottawa Scale (NOS)?

Dear colleagues, currently, I am working on a systematic review. For our review question, we will have to include non-randomized ("observational") studies that do not investigate interventions,...

29 August 2021 8,562 6 View

Miseq with cluster density of 1150K/mm2, but passing filter failed. what is the reason?

I spiked my library with 10% PhiX, and loaeded on Miseq at 13pM, using V3 300 cycles kit. the cluster density of 1150K/mm2, but passing filter failed. I prepared a normalized pool again and loaded...

31 July 2021 6,592 0 View

Can a frozen soil sample be submitted for multi-element soil analysis?

As a part of my doctoral research, I am testing soil samples for multiple elements (such as P, N, etc.). Because of COVID, I was not able to immediately test samples gathered in the field in the...

02 May 2021 3,606 5 View

Can anyone recommend a good and kinda up to date textbook on EEG?

Hello, I'll start my PhD next month and I will be mainly working with EEG. As I've never worked with EEG (only MRI) I was wondering if the community can recommend an (kinda) up to date Textbook...

26 January 2021 4,027 7 View

In hydro/solvothermal synthesis of zinc or bismuth tungstate, how can you achieve yellow precursor mixture without using acids?

Preparation of nanomaterials using hydrothermal and solvothermal routes.

27 December 2020 7,264 0 View

What are the theoretical and empirical gaps in philanthropic/social entrepreneurship studies globally in general and in Africa in particular?

I am interested in studying the experiences and motivations for philanthropy in Kenya by HNWIs. However, I would like my research questions to be grounded from gaps in theory and empirical...

04 August 2020 3,319 3 View

How do I implement strength reduction method using strain-softening in any of the ITASCA Codes (FLAC3D, FLAC, UDEC, 3DEC)?

My problem is on updating the strength properties.

07 June 2020 1,634 9 View

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