Please for Plackett Burman, how can we define the high and low values for the variables. Is it by experimenting or by referring to bibliography?
Please for preparation of Salkowski reagent to estimate IAA production on liquid medium, is better to prepare it with perchloric acid and iron chloride, or with sulfuric acid and iron chloride?
06 June 2020 4,124 2 View
Dear all, I would like to generate a wave function file (.wfn) using Gaussian 09W. I have added output=wfn in route section, and at the end of the molecular coordinate section i leaved blank...
17 February 2020 3,621 4 View
Hello, Many techniques are reported in the literature for monitoring various parameters of a freeze drying process. For example, I have come across: - Freeze drying microscopy - Tunable Diode...
21 December 2018 4,155 0 View
Hi, I need to do exploratory factor analysis in R studio. The Cronbach's alpha is low (0.5). There is no way of bringing it up, even by removing questions with poor corelations. I used a...
20 May 2018 5,457 5 View
About aligning and merging two hierarchical structures of fuzzy clusters, i'm looking at previous works which have treated like this problem? any help
10 August 2015 1,064 2 View
I have a number of samples of DNA extracted from blood on a filter paper with low 260/230. Does this low ratio inhibit the amplification of the DNA to form a band on the agarose gel after a PCR run?
04 March 2014 3,528 23 View
I am comparing three diagnostic tests in human. How could a ROC curve help me to determine which is the best and how I could make use of all the data I get when I use SPSS?
20 February 2014 9,324 6 View
I was interested in a paper and found the author's email in a different paper, and sent a request to the author, but have not had a reply. A colleague of mine had the same experience. Does anyone...
05 January 2014 4,599 19 View
I want to extract DNA from blood found in whatmann number 3 filter paper using qiagen kit. The kit lacks the buffer that lysates the blood prior to extraction. Is there a lysis buffer I could use...
30 December 2013 8,250 8 View
I tried to apply Sobol 2002 and 2007 sensitivity analysis to a LSM to evaluate for the different parameters the first order and total sobol index respectively Si and ST. But I always find non...
13 June 2013 9,151 2 View
how can I extract my bibliography from researchgate ?
28 July 2024 6,737 1 View
Hi al! This morning I run FACs with CHO cells stained with FVD. Unfortunately, the results showed binding with proteins they shouldn't bind with based on bibliography and cell viability was LOW....
01 July 2024 3,789 1 View
I'm analysing a novel in which the said emotion is fundamental to understand the development of characters. Thank you in advance.
22 June 2024 4,859 8 View
Dear colleagues I have to prepare a document for Oxford University Publishing group that follows an unusual way of listing references. It requires that references meet two conditions: All are...
28 May 2024 5,612 4 View
Hello team. I want to write an article (bibliography research) but i am not sure how to properly define general e specific objectives. Could you help me with this?
05 May 2024 755 2 View
Until the early 2000s, the National Bibliography used to be an important source for the development of library collections, mainly for the acquisition of new items. I would like to know if in your...
23 April 2024 5,037 7 View
Can you please orient me to bibliography concerning financial planning about public health insurance?
26 February 2024 7,061 0 View
Hello I have 94 sediment (2cm slices) from cores obtained in four mangroves drainages of northern ecuadorean coast, that exhibit atypical values of δ15N (negative values) as well as higher...
27 January 2024 8,710 0 View
I'm trying to establish the Km for different substrates for a specific enzyme, however, at every attempt a new doubt arises. This is a new field of knowledge to me, so any suggestion will be...
22 January 2024 8,748 6 View
hello everyone i need some new research paper about the mental health and social Media in moroccan context. thank's
24 December 2023 2,102 0 View