DiffAtOnce · Molecular Diffusion
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LEGACY / VIDEO GUIDES

From spectrum to result. At your own pace.

Six workflows, in your browser and on Windows. Learn to track a peak, review a calibration and prepare results with DiffAtOnce Legacy.

06workflows1080pdownloadable videosWEB + WPFone idea, two environments

Actual application screenshots with synthetic examples. These are guided sequences, not continuous mouse recordings. Each video identifies its narration and subtitle language.

LEGACY ONLINE / WEB

In your browser.

From the built-in example to peak selection, probes and reports.

WEB ONLINE · 01:29 · English narration and captions

Explore the spectrum and select peaks

Read the spectrum, select the local maximum, zoom into a peak and consult molecular candidates.

Also available in Español ↗

  1. 00:00Start with the example
  2. 00:13Recognize the context
  3. 00:28Give the spectrum room
  4. 00:43Select the local peak top
  5. 00:57Zoom with a rectangle
  6. 01:12Review before assigning
Transcript and downloads

Captions are already included in the video image. Enable CC only if you need an additional track.

Watch on YouTube ↗MP4 ↓VTT ↓SRT ↓TXT transcript ↓

WEB ONLINE · 01:37 · English narration and captions

Calibrate a probe and refine R²

Compare ramps, review the slope and R² refinement, apply a proposal and undo it.

Also available in Español ↗

  1. 00:00Choose a clean reference
  2. 00:13Compare all ramps
  3. 00:31Inspect the proposal
  4. 00:48Apply to this row only
  5. 01:03Restore the selection
  6. 01:19Evaluate a compatible reference
Transcript and downloads

Captions are already included in the video image. Enable CC only if you need an additional track.

Watch on YouTube ↗MP4 ↓VTT ↓SRT ↓TXT transcript ↓

WEB ONLINE · 01:29 · English narration and captions

Review results and export a report

Review attenuation, points and shape models; prepare a PostScript report.

Also available in Español ↗

  1. 00:00Read the attenuation
  2. 00:14Review a manual exclusion
  3. 00:29Interpret the geometry
  4. 00:45Explore the three-dimensional view
  5. 00:59Choose what to preserve
  6. 01:14Check the output
Transcript and downloads

Captions are already included in the video image. Enable CC only if you need an additional track.

Watch on YouTube ↗MP4 ↓VTT ↓SRT ↓TXT transcript ↓

LEGACY / WINDOWS WPF

On your desktop.

Projects, gradient ramps and results in the Windows application.

WINDOWS · WPF · 01:46 · English narration and captions

Open a project and select a peak

Open a three-ramp project, track a local maximum and use box zoom.

Also available in Español ↗

  1. 00:00Start with the spectra
  2. 00:19Three independent ramps
  3. 00:33Choose one ramp
  4. 00:47Review the active parameters
  5. 01:02Follow the local peak top
  6. 01:16Consult references, retain uncertainty
  7. 01:32Zoom into a region
Transcript and downloads

Captions are already included in the video image. Enable CC only if you need an additional track.

Watch on YouTube ↗MP4 ↓VTT ↓SRT ↓TXT transcript ↓

WINDOWS · WPF · 01:46 · English narration and captions

Calibrate a probe and refine R²

Calculate three ramp slopes, review proposed points and retain the original fit.

Also available in Español ↗

  1. 00:00Start an independent probe study
  2. 00:20Monitor the local reference
  3. 00:33Compare every slope
  4. 00:47Inspect the original line
  5. 01:01Review before applying
  6. 01:16Apply an explicit selection
  7. 01:31Restore the previous selection
Transcript and downloads

Captions are already included in the video image. Enable CC only if you need an additional track.

MP4 ↓VTT ↓SRT ↓TXT transcript ↓

WINDOWS · WPF · 01:39 · English narration and captions

Calculate diffusion and generate a report

Review conditions, calculate D and Rh, explore geometries and export a PDF report.

Also available in Español ↗

  1. 00:00Review the fit conditions
  2. 00:21Retain each point selection
  3. 00:36From the fit to D and Rh
  4. 00:53Compare equivalent geometries
  5. 01:08Preserve methods and provenance
  6. 01:25Keep the result with its peak
Transcript and downloads

Captions are already included in the video image. Enable CC only if you need an additional track.

MP4 ↓VTT ↓SRT ↓TXT transcript ↓

Practise, review and preserve your decisions.

The demonstrations use synthetic data. They do not validate a physical calibration or confirm molecular identities. A high R² still needs review of the range, residuals and excluded points. The workflows show how to review, apply and undo a proposal.

Videos are served directly by diffatonce.com, without autoplay, additional accounts or external-player cookies.

Public catalog and SHA-256 fingerprints ↓

DIFFATONCE LEGACY · WEB / WPF

Watch the workflow. Repeat each step.

Spectra and local maxima, calibration and R², diffusion, shape and reports. Six guides with narration, captions and chapters.

Watch the Legacy guides →

DIFFATONCE / MOLECULAR DIFFUSION

Your next question
starts in the spectrum.

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