# 启和生物 Qihe Biotech

> 启和生物（Qihe Biotech，法人主体苏州启和医疗科技有限公司）是荧光标记与检测试剂供应商，提供反应性荧光染料、荧光蛋白与串联染料、核酸染料、Streptavidin 偶联物、交联剂与点击化学试剂、转染试剂及检测试剂盒。每批产品以 NMR 与 HPLC-MS 双法确证，可凭产品编号与批号在线调取该批次分析证书。
>
> Qihe Biotech supplies fluorescent labeling and detection reagents — reactive fluorescent dyes, fluorescent proteins and tandem dyes, nucleic acid stains, streptavidin conjugates, crosslinkers and click chemistry reagents, transfection reagents and assay kits. Every production lot is confirmed by both NMR and HPLC-MS.

本文件是给自动抓取方的站点索引。以下链接指向的页面是各项事实的出处；页面内容与本文件不一致时，以页面为准。

全站每一页都有中英两个地址：中文在根路径，英文在 `/en` 前缀下（`/products/x` ↔ `/en/products/x`，首页是 `/` ↔ `/en`）。两者是同一页的两个语言版本，不是重复内容——每页都用 hreflang 互相指认（`zh-Hans` / `en` / `x-default`，`x-default` 指中文版）。下面的目录只列中文地址，英文地址按上述规则替换即可；主要英文入口见下文「English」一节。

## 产品目录

- [产品目录](https://www.qihe-bio.com/catalog)：全部产品，支持按名称、CAS、靶标、应用场景检索
- [反应性荧光染料](https://www.qihe-bio.com/catalog/reactive-dyes)：NHS 酯、马来酰亚胺、叠氮、炔基、DBCO 等反应基团
- [荧光染料图表](https://www.qihe-bio.com/fluorophore-chart)：在售荧光团按激发/发射波长排布，含各偶联形式
- [流式细胞术试剂](https://www.qihe-bio.com/t/applications/flow-cytometry)：在售的活/死细胞染料、Annexin V 偶联物、荧光蛋白与串联染料、核酸染料、EdU 试剂盒与 Streptavidin 偶联物；不含预标记流式抗体
- [荧光团列表](https://www.qihe-bio.com/t/fluorophores)
- [按反应基团浏览](https://www.qihe-bio.com/t/reactive-groups)
- [按细胞组分浏览](https://www.qihe-bio.com/t/cellular-components)
- [按应用场景浏览](https://www.qihe-bio.com/t/applications)
- [淬灭剂](https://www.qihe-bio.com/t/quenchers)

## 技术资料

- [技术支持总览](https://www.qihe-bio.com/technical)
- [推荐实验方案](https://www.qihe-bio.com/technical/protocols)
- [质量控制](https://www.qihe-bio.com/technical/quality-control)：NMR 与 HPLC-MS 双法确证的具体做法
- [储存条件](https://www.qihe-bio.com/technical/storage)
- [安全操作](https://www.qihe-bio.com/technical/safe-handling)
- [蛋白标记计算器](https://www.qihe-bio.com/technical/calc/protein-labeling)
- [DNA 定量计算器](https://www.qihe-bio.com/technical/calc/dna-quantification)

## 采购与售后

- [分析证书 CoA 查询](https://www.qihe-bio.com/coa)：凭产品编号与批号在线调取
- [订购信息](https://www.qihe-bio.com/ordering)
- [配送与退换货](https://www.qihe-bio.com/ordering/shipping)：运费、时效与退换条款
- [物流查询](https://www.qihe-bio.com/track)

## 关于

- [关于我们](https://www.qihe-bio.com/about)
- [联系我们](https://www.qihe-bio.com/contact)：info@qihe-bio.com · 025-85564667 · 南京市经济开发区红枫科技园A3栋
- [新闻与资讯](https://www.qihe-bio.com/news)
- [隐私政策](https://www.qihe-bio.com/privacy)
- [使用条款](https://www.qihe-bio.com/terms)
- [LinkedIn](https://www.linkedin.com/company/qihe-bio)

## English

The full site is mirrored in English under the `/en` prefix. Every page on this site has an
English twin at the same path — `/products/x` → `/en/products/x`, home is `/en`. Both versions
declare each other with hreflang; the Chinese version is `x-default`.

- [Product catalog](https://www.qihe-bio.com/en/catalog) — all products, searchable by name, CAS, target and application
- [Reactive fluorescent dyes](https://www.qihe-bio.com/en/catalog/reactive-dyes) — NHS esters, maleimides, azides, alkynes, DBCO
- [Fluorophore chart](https://www.qihe-bio.com/en/fluorophore-chart) — in-stock fluorophores by excitation/emission, with available conjugates
- [Flow cytometry reagents](https://www.qihe-bio.com/en/t/applications/flow-cytometry) — viability dyes, Annexin V conjugates, fluorescent proteins and tandem dyes, nucleic acid stains, EdU kits, streptavidin conjugates; no pre-conjugated antibodies
- [Technical support](https://www.qihe-bio.com/en/technical) — protocols, quality control, storage, safe handling, calculators
- [Certificate of Analysis lookup](https://www.qihe-bio.com/en/coa) — by product number and lot number
- [Ordering](https://www.qihe-bio.com/en/ordering) — including [shipping and returns](https://www.qihe-bio.com/en/ordering/shipping)
- [About](https://www.qihe-bio.com/en/about) · [Contact](https://www.qihe-bio.com/en/contact) — info@qihe-bio.com

## 说明

- 站点地图：https://www.qihe-bio.com/sitemap.xml（中英各一条 `<loc>`，并含 `xhtml:link` 语言注解）
- 全站页面均已预渲染，不执行 JavaScript 也能取到完整正文与结构化数据
- 首页含 FAQPage 与 ItemList 结构化数据，公司实体见 Organization（@id 为 https://www.qihe-bio.com/#organization）
- 价格、库存与产品参数以产品页为准，本文件不重复列举