Does anyone have the user manual for a Perkin Elmer Optima 3000 DV ICP spectrometer?

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Is there any database of free acces to obtain raw data of different materials using x ray diffraction?

I´m interested in to obtain raw data of x ray diffraction of different materials from open acces database for my students, in order to train it in retvield refinement using Match software or...

28 August 2023 9,953 2 View

Can someone share with us the ISO 2631-5: 2018 standard?

we need the ISO 2631-5: 2018 standard, to finalise our comparative analysis with the data obtained from measurements.

10 June 2023 3,676 0 View

Artificial Intelligence, an enabler for Digital Equity and Inclusion?

I am interested in finding out if anybody is working on the subject of "Artificial Intelligence as an Enabler of Digital Equity and Inclusion". I will be very grateful if you share your...

07 June 2023 8,855 4 View

¿ Como poder identificar a estudiantes universitarios en el entorno académico, con trastornos en su salud mental? existe algún estrategia pedagógica?

La salud mental se ve afectada por muchas situaciones de la vida cotidiana, pero lograr identificar un desequilibrio mental considero que, no resulta fácil.

30 March 2023 7,663 0 View

Researchers interested in OBD-2 automotive data processing?

I invite national and foreign researchers to collaborate in the analysis, diagnosis, prediction and ideas that arise for the processing of data obtained through the OBD-2 connector in different...

11 February 2023 4,620 0 View

How can I calculate a sample size for a matched 1:1 case-control study to determine risk factors for SAM (severe acute malnutrition) ?

I am trying to design a study to determine risk factors for Severe Acute Malnutrition. The study would be in a hospital setting where cases would be infants

04 September 2022 2,598 1 View

Could Rhodamine 6G signal not be detected in liver?

We made a pilot study with N=2 mice per group to test biodistribution of rhodamine 6G-loaded silica nanoparticles functionalized with PEG, at 1.5h, 6h and 24h. We used GFP detector in IVIS...

27 April 2022 8,846 2 View

What kind of verification for the effiency of cysteine thiol residues labeling do you use in your experience?

I have been working on the labeling of cysteine thiol residues using a differential alkylation technique (NEM and Biotin Maleimide), during the whole process before performing the trypsin...

04 April 2022 7,232 1 View

Best ways to spike soil with PFAS (PFOA, PFOS, and others)?

I would like to do some experiments on soil treatment of PFAS. I have some ideas on spiking the soil, but I would appreciate hearing ideas, especially from people who have experience doing...

24 January 2022 4,090 0 View

Setting mass yield constraints in RGibbs reactor (Aspen Plus)?

In Aspen Plus I have the following problem (see attached figure): I have a RGibbs block which calculates a distribution for a predifined set of products. However, I would like to go beyond this...

30 November 2021 5,540 1 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

How can major oxides determined by ICP-MS/ES be normalized to 100% volatile free? How does this connect with LOI?

I am analyzing cherts from different sources found within one specific geologic formation using ICP-MS/ES. My committee was asking this question about my analysis. I was not sure how to answer this

05 August 2024 7,902 3 View

How to select relevant metabolites from multiple annotations ?

I am using the Polyomics Integrated Metabolomics Pipeline (PiMP) for metabolite feature analysis. After annotating my data, I have encountered cases where multiple potential metabolites are...

24 July 2024 5,789 0 View

What are the strategies to Enhance IgG-Producing Plasma Cells in mice for Monoclonal Antibody Development?

I have immunized BalB/C mice with a protein using the intradermal (ID) method with Complete Freund's Adjuvant (CFA) and Incomplete Freund's Adjuvant (IFA), following a 14-day interval and three...

22 July 2024 9,160 2 View

NH3/NF3/H2 Remote plasma Oxi/nit selective etching mechanism help ??

Hello, I am an Etch Engineer. I am performing etching with high T_ox/Nit selectivity using remote plasma. Etching plasma is formed using only NH3/NF3/H2. 1. I wonder if it would be advantageous...

11 July 2024 8,115 2 View

Has anyone simulated Argon plasma jet in Comsol?

Hello, Has anyone successfully modeled 2D argon plasma jet using the COMSOL? I would greatly appreciate any guidance on this matter.

30 June 2024 5,597 0 View

Why aren't primary MHD generators with tokamak/stellarator configurations studied/researched?

Magnetohydrodynamic generators are normally used as eihter an attachment to recycle wasted heat and flow of other generators, or used to absorb the energy from rocket thrusters. However, I'm...

24 June 2024 3,949 1 View

URGENT ICP Prague congress update?

Dear Prof. Bester I am the Sci Committee Chair of the upcoming congress. I would like to have the Main Stage events included in the abstracts issue of Int. Journal of Psychology. I want to double...

18 June 2024 4,088 2 View