What is the status of malaria vaccine?

Malaria is the highest killer disease in Africa, yet no vaccine has been developed against it. Any hope in sight?

05 October 2020 5,670 7 View

I tried to run Ligplot+ version 2.2 for the first time on ubuntu 16.04 but it always report error: error writing parameter file. Can you help?

I downloaded a components.cif file and filled the location of my .pdb files as shown in the picture below. It still showed error. The program usually opens but doesn't display the pdb files I want...

25 May 2020 8,509 2 View

I tried metawin unfortunately I couldn't get much help on how to code studies. Does anyone know a good free package for correlation meta analysis?

By the way I also need advice on which correlations to extract from factor studies ( exploratory, confirmatory, & SEM PLS) for meta analysis?

16 March 2020 7,217 3 View

Who was DIMU in the history of Egypt? How is it linked to Kadimu of Siaya County, kenya?

there is a name called Kadimu bay in Siaya, kenya. However, there is also a historical figure called Dimu who seems to be related to the Luo. What is the link between the Egypt Dimu and the Kenya...

29 January 2020 5,176 1 View

Can one conduct a meta analysis on previous meta analyses?

When meta analyses on the same topic yield different results with no consensus, can one conduct a meta analysis on the Meta analytic studies?

19 December 2019 6,113 4 View

Is it possible to run mediation for a panel data?

I intend to run a sequential mediation for a study but am at a lost as to my data. My search shows process macro is not for panel data, but my data is panel. can i be assisted in running a...

28 May 2019 8,256 20 View

What is the effect of white spirit or petroleum spirit on the drying time of alkyd paints?

I desire to know the contributive effect of the solvent, white spirit oon the drying time of oil-based paints made from alkyd resiin

07 January 2019 5,695 1 View

Any alternate computer/software program, besides R-package or Xcalibre 4.2 for computing effect size within DIF?

The goal here is to provide my students with a relatively easy program to use for computing effect size estimates for DIF [item-level invariance] within IRT (parametric). Xcalibre 4.2 offers this...

20 June 2015 3,702 2 View

What is the population doubling time of mesenchymal stem cells derived from human bone marrow derived?

while calculating PD from which passage number should we take into consideration? Passage 0 (culture initiation) will not have the absolute MSC cell count since we just add Mononuclear cells from...

05 April 2015 8,561 5 View

Does media change or passaging of cells in cell culture reduce endotoxin levels?

Does culture passaging or media change reduce endotoxin levels?

29 December 2014 9,274 12 View

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Are these moths Spodoptera frugiperda?

The caterpillars of the moths were collected as fruitborers in pepper at a farmer. I reared them till the adults hatched and compared them with pictures and descriptions on the internet. Are these...

24 February 2021 7,785 5 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View

How to reduce static electricity of powder after lyophilization?

I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...

22 February 2021 10,099 5 View

Plant research: Watering uniformity/consistency. How important is it?

Trying to gather insight from an unresolved discussion with a colleague here, and either the available literature surrounding this topic and/or my keywords in search of are lacking. Context:...

21 February 2021 6,389 3 View

How does a freeze dryer destruct your solid sample?

Several times I lost my sample during freeze drying. There was no solid or powder in the vial after freeze drying. I'm sure sample contained solute because i took its NMR spectrum. I covered the...

15 February 2021 6,749 2 View

Can i use the " weight moisture" ( humidite ponderale in French) of plants to describe their efficiency in using water?

Weight moisture is : water content/ dry weight , if for example it is 4 it means that this plant have for each 1gam of dry mass 4 grams of water. can i use this to interpret the plant use of...

14 February 2021 5,784 1 View

Why (111) peak of ZeoliteX changes depending on dry or wet?

09 February 2021 6,307 3 View