Top Sites>Sspectroscopyonline.com

User-agent: *
Disallow: /search
Disallow: /preview/
Disallow: /*[*]*$
Sitemap: https://www.spectroscopyonline.com/sitemap.xml
Sitemap: https://www.spectroscopyonline.com/sitemap-news.xml

# Spectroscopy Online

> Spectroscopy Online - Healthcare Publication

- Base URL: https://www.spectroscopyonline.com
- Generated: 2026-04-25T20:42:02.925Z
- Content updates: multiple times daily

## Content Access for AI Agents

This site supports content negotiation for AI/LLM consumption. Request any article URL with an appropriate Accept header to receive structured content instead of HTML.

**Supported content types:**
- `text/markdown` — Clean Markdown with YAML frontmatter
- `text/plain` — Plain text (same as Markdown)
- `text/html` — Default HTML response

**Example request:**
```
curl -H "Accept: text/markdown" https://www.spectroscopyonline.com/view/article-slug
```

**YAML frontmatter schema** (returned with every Markdown response):

| Field | Type | Description |
|-------|------|-------------|
| `title` | string | Article headline |
| `description` | string | Summary/excerpt (max 300 chars) |
| `url` | string | Canonical article URL |
| `canonical_url` | string | Canonical URL if different from `url` |
| `published` | ISO 8601 | Original publication date |
| `modified` | ISO 8601 | Last modification date |
| `authors` | string[] | Author display names |
| `content_type` | string | Content category (e.g., "News", "Clinical") |
| `categories` | string[] | Taxonomy categories |
| `tags` | string[] | SEO tags |
| `image` | string | Featured image URL |
| `publisher` | string | Publication/site name |

**Discovery headers** (included on all responses):
- `Link: <https://www.spectroscopyonline.com/llms.txt>; rel="llms"` — RFC 8288 link to this file
- `X-Llms-Txt: https://www.spectroscopyonline.com/llms.txt` — Explicit discovery header

## Usage Policy

- Robots policy: [https://www.spectroscopyonline.com/robots.txt](https://www.spectroscopyonline.com/robots.txt)
- Cache behavior: responses are cached for ~5 minutes (max-age=300, stale-while-revalidate=329)
- Rate guidance: prefer RSS and sitemap feeds over crawling individual pages
- Attribution: All content © MJH Life Sciences. Include source URLs when citing.

## Content Categories

- [Analytically Speaking Podcast](https://www.spectroscopyonline.com/analytically-speaking-podcast)
- [Application Notes](https://www.spectroscopyonline.com/application-notes)
- [Ask the Experts](https://www.spectroscopyonline.com/ask-the-experts)
- [Content Engagement Hubs](https://www.spectroscopyonline.com/content-engagement-hubs)
- [EBooks](https://www.spectroscopyonline.com/ebooks)
- [Events](https://www.spectroscopyonline.com/events)
- [Lithium battery learning center](https://www.spectroscopyonline.com/lithium-battery-learning-center)
- [News](https://www.spectroscopyonline.com/news)
- [Products](https://www.spectroscopyonline.com/products)
- [Sponsored Content](https://www.spectroscopyonline.com/sponsored-content)
- [Sponsored Videos](https://www.spectroscopyonline.com/sponsored-videos)
- [Topic](https://www.spectroscopyonline.com/topic)
- [Webcasts](https://www.spectroscopyonline.com/webcasts)

## Featured Content

- [AI and Automation Poised to Reshape Biopharmaceutical Quality Testing](https://www.spectroscopyonline.com/view/ai-and-automation-poised-to-reshape-biopharmaceutical-quality-testing): A comprehensive review from the University of Porto identifies critical bottlenecks in biologics analysis and maps a technology-driven path forward.
- [Understanding the Burial Environment and Post-Excavation History of Mummies](https://www.spectroscopyonline.com/view/understanding-the-burial-environment-and-post-excavation-history-of-mummies): What does the aluminosilicate and carbonate particles on bitumen-coated bandages of mummies tell us about the burial environment? 
- [Best of the Week: The Top 10 Articles in March, The Modern Cannabis Laboratory](https://www.spectroscopyonline.com/view/best-of-the-week-the-top-10-articles-in-march-the-modern-cannabis-laboratory): Senior editor Will Wetzel recaps the top articles published this week on Spectroscopy.
- [An Inside Look at the Moonshot Program](https://www.spectroscopyonline.com/view/an-inside-look-at-the-moonshot-program): CEA-Leti’s Moonshot Program is developing compact spectrometer platforms that can operate outside traditional lab environments. 
- [Observing ATR Spectra Below the Critical Angle](https://www.spectroscopyonline.com/view/observing-atr-spectra-below-the-critical-angle): In this interview clip, we explore how an optical model accounts for thin-layer thickness on the order of the penetration depth so spectra reflect par...
- [Encoding Electron Paramagnetic Resonance Signals as Phase Shifts](https://www.spectroscopyonline.com/view/encoding-electron-paramagnetic-resonance-signals-as-phase-shifts): What are the advantages of electron paramagnetic resonance (EPR)-on-a-chip spectrometers?
- [Characterizing Trace Elements in Mummies](https://www.spectroscopyonline.com/view/characterizing-trace-elements-in-mummies): This interview explores how micro-particle induced X-ray emission and micro-ion beam induced luminescence spectroscopy can analyze trace elements in m...
- [Identifying Wood Species Using a New Predictive Model](https://www.spectroscopyonline.com/view/identifying-wood-species-using-a-new-predictive-model): A new study used predictive modeling to identify wood species in the Amazon.
- [Understanding the Light–Matter Interaction in Attenuated Total Reflectance Experiments](https://www.spectroscopyonline.com/view/understanding-the-light-matter-interaction-in-attenuated-total-reflectance-experiments): Is sample thickness important for signal detection? The answer is yes, and in this interview segment, Thomas Mayerhofer of Leibniz Institute of Photon...
- [Spectroscopy Top 10 Articles of the Month](https://www.spectroscopyonline.com/view/spectroscopy-top-10-articles-of-the-month): The following articles are the 10 most accessed digital object identifier (DOI) manuscripts for Spectroscopy and LCGC International during March, 2026...

## Feeds and Indexes

- [RSS Feed](https://www.spectroscopyonline.com/rss.xml): Latest articles in XML syndication format
- [Sitemap](https://www.spectroscopyonline.com/sitemap.xml): Complete URL index for all published pages
- [News Sitemap](https://www.spectroscopyonline.com/sitemap-news.xml): Recent articles optimized for news indexing
- [Authors Directory](https://www.spectroscopyonline.com/authors): Browse all contributors and their published work