PubChem化学情報検索
Hosted by the National Library of Medicine, PubChem is a comprehensive, open-access chemical database maintained by the National Center for Biotechnology Information (NCBI) at the National Institutes of Health (NIH). It aggregates data from over 1,000 sources, including government agencies, chemical vendors, and scientific journals, to provide detailed records on more than 119 million unique chemical structures. The platform provides:Chemical nomenclature, structural identifiers (SMILES, InChI), and 2D/3D molecular visualizations.Physicochemical properties, biological activities, and high-throughput screening bioassay results.Safety and toxicity profiles, including Laboratory Chemical Safety Summaries (LCSS) and regulatory data.Integrated patent information and consolidated scientific literature citations linked to specific compounds.The largest (?) online database and most complete information freely available […]
PubMed Medlineの引用文献と抄録の検索
Hosted by the National Library of Medicine, search through 32 million citations for biomedical literature from MEDLINE, life science journals, and online books.Maintained by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine, the platform indexes peer-reviewed research from thousands of international journals and online books. It utilizes the Medical Subject Headings (MeSH) controlled vocabulary to facilitate high-precision information retrieval and offers integrated links to full-text content via PubMed Central and external publisher repositories.Note that full text may be free or not, but the search service is super fast.Searches can be filtered by year(s) or nature of the document.Professionals in life sciences, biomedical engineering, and […]
欧州医療機器データベース（EUDAMED）
Search for devices or certificates for any registered (mandatory) medical device in the EU: EUDAMED is the centralized IT system established by the European Commission to facilitate the implementation of Regulation (EU) 2017/745 (MDR) and Regulation (EU) 2017/746 (IVDR), serving as the authoritative repository for medical device data in the European Union.The platform integrates six functional modules—Actor registration, UDI/Device registration, Notified Bodies and Certificates, Clinical Investigations, Vigilance, and Market Surveillance—to enhance transparency and coordination across Member States. Following the functional declaration in late 2025 via Commission Decision (EU) 2025/2371, the first four modules become mandatory for all economic operators on May 28, 2026, consolidating the registration, notification, and dissemination of […]
アミア ダークウェブ Tor 検索
The only (only?) search engine indexing Tor sites … that is accessible on a normal www site: Ahmia is a specialized search engine and indexing service designed to facilitate the discovery of onion services within the Tor network. It operates by crawling the decentralized web to aggregate metadata, including page titles, headers, and last-seen timestamps, making this information searchable through both standard web browsers and the Tor browser.The platform implements some (?) automated filtering to exclude child sexual abuse material (CSAM) and provides a public API that allows researchers to programmatically access network statistics, monitor service availability, and analyze the growth of the hidden web ecosystem. By bridging the gap […]
臨床試験データベース
Search the database of privately and publicly funded clinical studies in US and around the world: ClinicalTrials.gov is a centralized registry and results database for clinical studies involving human participants, managed by the National Institutes of Health. It provides a standardized repository for trial protocols, recruitment status, eligibility criteria, and summary results, including primary outcome measures and adverse event data.The platform ensures transparency in the clinical research ecosystem by aggregating data from both privately and publicly funded trials, facilitating the tracking of medical research progress across diverse therapeutic areas and global jurisdictions.Easy access and RSS available from searches.Professionals in science and medicine apply this data to drive strategic decision-making and regulatory […]
PubMed Central Medicine Library
Search the 10.4+ million full-text medical archives of the National Library of Medicine: PubMed Central (PMC) is a digital repository of full-text scholarly articles in the biomedical and life sciences, managed by the National Center for Biotechnology Information (NCBI) at the U.S. National Library of Medicine.It provides a permanent archive for peer-reviewed research, including manuscripts resulting from NIH-funded projects and other international research initiatives. The service offers advanced search functionality, citation tracking, and access to the PMC Open Access Subset, which contains millions of articles available for machine-readable download and computational analysis. Unlike abstract-only databases, PMC ensures the long-term preservation of complete research papers, including figures, tables, and supplementary data.Many […]
IRCチャンネルとトピックの検索
Simple but effective tool to search for an IRC channel, on more than 500 IRC networks, on any topic: Netsplit.de functions as a specialized search engine and statistical aggregator for Internet Relay Chat (IRC) networks. It indexes thousands of channels across major networks like Libera.Chat, OFTC, and EFnet, providing real-time data on user counts, channel topics, and historical activity trends.By crawling decentralized servers, the platform enables the discovery of active technical communities and niche support rooms that are otherwise opaque to standard web searches. The service also tracks global network metrics, including server health and total user populations, to assist in identifying stable communication nodes for professional collaboration and data […]
アクセス構造、CCDCおよびFIZカールスルーエ結晶データベース
World biggest cristal structures repository. For each organic crystal, get its chemical diagram and an interactive 3D model view of the molecule, its author and first publication source.The Cambridge Crystallographic Data Centre (CCDC) Access Structures service provides an interface for searching, visualizing, and downloading small-molecule organic and metal-organic crystal structures. It aggregates data from the Cambridge Structural Database (CSD) started in 1965, and the Inorganic Crystal Structure Database (ICSD), offering access to over 1.25 million curated entries derived from diffraction experiments. The platform delivers critical structural parameters, including:Three-dimensional atomic coordinates and displacement parametersUnit cell dimensions, space group symmetry, and crystal system dataExperimental metadata, including temperature, pressure, and radiation sourceDirect links […]
インターネットアーカイブ: archive.ph
In a very similar way to the well known Wayback Machine, it will save any given URL you provide and keep it virtually forever. A must have. Archive.ph functions as a digital preservation utility that captures and stores static snapshots of web pages, including text and visual assets, at a specific timestamp.The service generates a permanent, immutable URL that persists regardless of whether the original source is subsequently modified, deleted, or placed behind a paywall. By rendering dynamic content into a lightweight, high-fidelity replica, it ensures that technical data and online evidence remain retrievable for long-term verification and historical analysis.Free and fast.Another great tool to prove anteriority of your given […]
ビットコインアドレス検索
Provide any Bitcoin address and it will return any related information, such as last transactions, email, attached URL and other datas: BitcoinWhosWho is a blockchain forensics and investigative platform that provides a comprehensive database of Bitcoin addresses associated with illicit activities, including scams, ransomware, and dark web transactions.The service aggregates crowdsourced reports, public records, and automated web crawling data to attribute real-world identities, aliases, and website appearances to pseudonymous wallet addresses. Key features include a visual blockchain explorer, real-time transaction alerts, and a risk-scoring API that allows users to verify the reputation of a counterparty before initiating a transfer.Indicates also if there is a scam reported to this address.