国家毒理学计划（NTP）官方网站

国家毒理学计划 (NTP)是美国领先的科学机构，致力于研究环境中的潜在有害物质及其对人类健康的影响。

网站的主题

该网站致力于毒理学、环境安全和公共卫生问题。它为传播可能对人类健康和生态系统构成威胁的化学品的科学信息提供了一个中央平台。

NTP 活动的关键领域

• 评估物质的致癌特性：该计划对实验动物（主要是小鼠和大鼠）进行长期研究，以确定可能导致癌症的物质。
• 非癌性影响的研究：NTP 研究化学制剂对器官和系统的影响，包括肝脏、肾脏、心血管系统、神经系统和生殖功能。
• 开发替代测试方法：Tox21项目旨在使用细胞培养和分子模型取代动物测试，使过程更快、更便宜且更符合道德。
• 公布致癌物质报告：该网站包含对人类致癌、可能致癌或未分类的最新物质清单。
• 啮齿动物器官超微结构图谱：新更新的资源提供了组织和细胞的详细图像，以帮助诊断中毒性损伤。
• 科学合作和专家支持：NTP 与国际科学界合作，吸引专家分析数据并制定建议。

NTP 目标和使命

NTP致力于利用先进技术和分子生物学技术成为现代毒理学领域的主导力量。该组织的成立是为了提供可靠的科学基础，为保护公众健康和环境的政府计划提供依据。

该网站为监管机构、研究人员、卫生专业人员、环保主义者和对环境安全感兴趣的公民提供信息来源。

谁可以使用该网站

• 毒理学和生态学领域的科学家和研究人员
• 政府和国际组织（例如 EPA、FDA、WHO）的代表
• 医疗和公共卫生专业人员
• 公民关注化学品对健康的影响
• 生物医学科学领域的师生

该网站还提供公共数据、报告、新闻档案以及参与机会，例如专家提名或项目评论。

• charset: utf-8
• name: ContentInSearch content: N
• property: og:url content: https://ntp.niehs.nih.gov
• property: og:title content: National Toxicology Program
• property: og:description content: NTP plays a critical role in generating, interpreting, and sharing toxicological information about potentially hazardous substances in our environment.
• property: og:image content: https://ntp.niehs.nih.gov/sites/default/files/2019-06/mettalurgy-plant_0.jpg
• property: og:image:type content: image/jpeg
• property: og:image:alt content: Little boy playing across a mettalurgical plant.
• name: twitter:title content: National Toxicology Program
• name: twitter:description content: NTP plays a critical role in generating, interpreting, and sharing toxicological information about potentially hazardous substances in our environment.
• name: twitter:image:alt content: Little boy playing across a mettalurgical plant
• name: twitter:image content: https://ntp.niehs.nih.gov/sites/default/files/2019-06/tw-mettalurgy-plant.jpg
• name: MobileOptimized content: width
• name: HandheldFriendly content: true
• name: viewport content: width=device-width, initial-scale=1.0
• class: foundation-mq name: foundation-mq content:
• name: google-site-verification content: n4eIeknF7QoYBJrb89Vq4GPI7-DT46DxIaDavk_bnL8

• Skip to Main Navigation
• Skip to Page Content
• Upcoming Events
• News & Media
• Get Involved
• Support
• http://ntp.niehs.nih.gov/
• Menu
• Search
• Research
• Applied Toxicological Research
• Federal Research Coordination
• Highlighted Research Topics
• Health Effects Assessments
• http://ntp.niehs.nih.gov/whatwestudy/niceatm
• Data & Resources
• http://ntp.niehs.nih.gov/publications
• Learn More About NTP
• Mission & Goals
• Advisory Board & Committees
• History & Milestones
• Organization
• Learn more about the environmental substances NTP is studying
• News
• Learn More
• Learn More
• See Upcoming Events
• http://ntp.niehs.nih.gov/research/assessments/cancer/roc
• Contact Us
• Join the Expert Directory
• Back to Top
• http://ntp.niehs.nih.gov/events/bsc
• Expert Panels
• http://ntp.niehs.nih.gov/whatwestudy/niceatm/3rs-meetings
• http://ntp.niehs.nih.gov/events/sacatm
• Webinars & Workshops
• Past Events
• FAQs & Fact Sheets
• Federal Register Notices
• Media Inquiries
• NTP Newsletter Archives
• Public Health Impact
• Provide Input to NTP
• Public Comments
• Subscribe to News Updates
• Accessibility Information
• Acronyms & Abbreviations
• Search Help
• Site Map
• Visiting NTP
• Web Policies
• Request an Update of this Page

• Learn about Tox21
• https://cebs.niehs.nih.gov/cebs
• Learn More
• https://www.usa.gov
• https://www.hhs.gov
• Freedom of Information Act
• Inspector General
• HHS Vulnerability Disclosure Policy
• NIH Privacy Policy
• National Institute of Environmental Health Sciences
• National Institutes of Health
• Staff Intranet

            Domain Name: NIH.GOV
Registrar: get.gov
Domain Status: server transfer prohibited
Creation Date: 1997-10-02T01:29:27.000Z
Registry Expiry Date: 2027-08-22T14:22:33.434Z
Updated Date: 2026-07-13T16:28:17.842Z
Name Server: NS.NIH.GOV
Name Server: NS2.NIH.GOV
Name Server: NS3.NIH.GOV
REGISTRAR Contact: get.gov
ADMINISTRATIVE Contact: REDACTED FOR PRIVACY
SECURITY Contact: REDACTED FOR PRIVACY
TECHNICAL Contact: REDACTED FOR PRIVACY
>>> Last update of RDAP database: 2026-07-17T09:41:48Z         

			#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
        

技术搜索引擎优化

页面搜索引擎优化

内容和用户体验