Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

Analysis of CRD two factor using R studio ?

Hello everyone. I have conducted the research on post harvest longevity of tomato crop using plastic packaging and different doses of chemicals as two different factors. The design of experiment I...

28 February 2021 8,189 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

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

24 February 2021 5,378 1 View

How to dissolve cross-linked Amberlite IRC120 H, hydrogen form resin?

Hello all, I have used Amberlite IRC120 H, hydrogen form acidic cation-exchange resin for the ion-exchange of waterglass [sodium silicate solution -- 40% Sodium silicate (mol ratio > 3.2)...

21 February 2021 5,614 3 View

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

What are your alternative data collection methods during the pandemic? What are the pros and cons?

Dear colleagues We are exploring possible data collection methods for environment and behavior research in the context of architectural environments. Have you conducted any Post Occupancy...

16 February 2021 2,575 4 View

Can bio-decomposer be a successful alternative to reduce residue burning?

To maintain the proper crop plan most of the times there is not enough time to make the field ready for the next crop. In this particular context , can bio-decompser be a solution? What about...

16 February 2021 7,068 24 View

Interpretation of a fluorescence Emission spectrum ?

Hello, i work with a spectrometer which only render the fluorescence emission spectrum. Until now i just found how to interpret an exitation- and emission spectrum together to generate deeper...

20 February 2021 1,291 3 View

Failed Chromatograms on HPLC-ESI Orbitrap?

Hello fellow researchers, I recently have a problem with an HPLC coupled to an Orbitrap mass analyzer. I usually use some protein mix to make sure the equipment is ready to separate and read...

09 February 2021 3,595 8 View

QTOF vs Orbitrap for CECs?

We considering purchase of Sciex QTOF and Thermo Exploris 120 MS for unknown compound screen (CECs), id, and quantification in water matrix, at low conc. etc. Which one would be most...

06 January 2021 4,931 1 View

How can I analysis a low-concentration organic matter in NaOH using fluorescence spectrometer or LC-OCD?

I want to analysis components of organic matter in NaOH using fluorescence spectrometer or LC-OCD. For example, TOC result is 3 mg/L, it is very low. So I want to concentrate or extract the...

23 November 2020 4,365 1 View

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17 November 2020 6,197 5 View

Dataset: Orbitrap velos CID MS/MS spectra ?

Hi, I want the MS2-CID spectra from orbitrap velos mass spectrometry of organism: human (Mod: C+57) for testing my peptide identification algorithm developed. Large set of orbitrap velos dataset...

16 November 2020 8,261 1 View

Some ideas about contamination from Ca 2p always appearing and, therefore, overlaping with Pd3d in a SPECS spectrometer?

Dear colleagues, In our XPS instrument, most of the time when we acquire the Pd3d region (for a wide range of materials containing Pd) it overlaps with a strong signal from Ca2p. Nonetheless,...

10 November 2020 4,487 4 View

What can be the cause of a baseline drift in NIR spectrometry?

I have a dataset including spectra collected with a handled NIR spectrometer (SCiO) over several months. I observe a baseline drift that is consistent with the evolution of the measurement date....

18 October 2020 9,062 3 View

What is the black block for Dark Current in a UV-Vis Spectrometer machine? How to insert it in a Spectrometer machine?

I am trying to construct a calibration curve on a new UV-Vis Spectrometer machine (T80+, PG Instruments Ltd). But when I start by setting the parameters using K-Factor method (pressing...

06 October 2020 2,521 3 View

For Ultrafast Transient Absorption Spectrometer: How to choose a spectrometer?

hi,we want to build an Ultrafast Transient Absorption Spectrometer system, how to choose a spectrometer? We already have femtosecond lasers system (coherent) ,pump probe system(home built), white...

10 September 2020 4,693 3 View