What is any peak other than 11 on the xrd in synthesis graphene oxide?

i use 3 gr graphite H2SO4 120ml H3PO4 13,3 (9:1) and i varying KMnO4 10gr 15gr and 20gr with time process 8 hour (4 hour stirrer graphite H2so4 and H3PO4 temp 97 degg ) and 1 hour adding slowly...

20 August 2020 260 4 View

Varying kmn04 and hummer synthesis time methods for graphene oxide, affected or not?

i use 3 gr graphite H2SO4 120ml H3PO4 13,3 (9:1) and i varying KMnO4 10gr 15gr and 20gr with time process 3 hour (2 hour stirrer graphite H2so4 and H3PO4 temp 97 degg ) and 30 minutes adding...

17 August 2020 4,928 14 View

How do I add the full text of past publications? Do I have to scan them myself and load?

I received a notice that 13 of my papers are not available on line.

09 April 2020 9,419 3 View

Can anyone help me about errors of Process Macro multiple mediator analysis with model 4?

When I start PROCESS I get two error messages: ->Error 12410 Source operand for EVAL is not balanced. > >Undefined error #12354 - not found in file .. How can I solve this...

26 March 2020 6,738 2 View

How to input multiple conditions in excel IF nested function?

Hi community, I am facing some issues to input the conditions when I use the IF formula. Can anyone please enlighten me on this? So far, I have this formula, =IF(B1

19 January 2020 7,558 2 View

Has anyone carried out public health expenditure reviews on spending on nutrition in their country ?

If you have carried out national budget analysis for nutrition expenditure I would love to read your research findings

03 October 2019 5,213 2 View

Can anyone recommend a free HPLC prediction program?

Hi everyone, Can anyone recommend a free HPLC prediction software/program to predict Retention times of a few molecules using various flow rates and/or columns? It would be very useful. Thank...

07 January 2019 5,181 6 View

Which primers should I use for WT TP53 (qPCR experiment)?

Hi everyone, I am a student fairly new to experimental research! I am looking to do qPCR on different sarcoma samples to confirm the presence of TP53 (17p13.1). Since I am not seeking the presence...

10 December 2018 3,810 5 View

Is there a preliminary test to identify the presence of xanthones or benzophenones in plant extracts?

I want to know how to screen plant materials for the presence of xanthones and benzophenones. This will help me start with a research project on plant species in the Philippines which are...

02 December 2017 8,614 3 View

Can anyone help me with ecological analysis with extra zeros count data?

Can anyone help me with the statistical analysis of my study on the diversity of algae and the effect of abiotic parameters? My data count has many zeros which I cannot use CCA or PCA. I...

09 September 2017 4,180 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

How can we obtain a modification factor for creep parameters?

I want to obtain standard creep parameters of salt rock by creep parameters of rectangular samples. Is there a modification factor to convert creep parameters of rectangular (prismatic) rock salt...

01 March 2021 7,131 1 View

Anyone found any research papers on solar furnace design calculations (for solar concentration)?

I am thinking about working on solar furnace with heliostats that concentrate sunlight and heat molten salt, but currently no luck with research. Not a lot of papers based on the subject. (check...

01 March 2021 5,023 5 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

What are the saturated salt solutions that can give specific relative humidity of 35%, 65% and 95% for conditioning wood specimens?

Due to the unavailability of climate rooms, I want to carry out an experiment that require the use of certain saturated salt solutions especially those that can condition the wood specimen to 35%,...

25 February 2021 8,139 1 View

Has anyone experienced changes in growth for cell culture when purchasing media from different companies?

I recently switched the company where we buy our DMEM/F12 and i have noticed a signficant change in growth for my human olfactory neurosphere cell lines

24 February 2021 2,268 3 View

It is necessary to reflux the Schiff base and metal salts to obtain metal complex??

24 February 2021 9,166 3 View