美国National Diagnostics（ND）向市场提供用于电泳的浓缩丙烯酰氨试剂的公司（推介于FASEB 1986）；第一个研发出可生物降解的闪烁计数混合液；也第一个推出了可生物降解的橙子油来作为代替二甲苯的组织透明剂。

National Diagnostics is a principle world source for the development and manufacture of chemicals and related products for scientific research. We are particularly proud of the innovations we have made to improve laboratory safety and reduce the environmental impact of research. The National Diagnostics label on any product is an assurance of the highest level of quality and that all raw materials and finished products adhere to the most stringently controlled specifications.

National Diagnostics的主要产品包括：

Electrophoresis

Histology

Oxygen Assay

Liquid Scintillation

Electro-Optical

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艾美捷科技有限公司

全国服务热线：400-6800-868

邮箱：sales@amyjet.com

网站：www.amyjet.com

LKT Labs是一家专注于特殊化学品研究和开发的公司。主要提供：药物发现试剂盒、天然产物、广泛的生命科学研究试剂、定制合成。美国LKT Labs 是1988年在美国成立的，为全球提供先端的药物研发试剂、试剂盒、委托合成，并为药物生产企业提供原料。

LKT Laboratories is a biochemical supply company focused on the synthesis, purification, and isolation of small molecules for research applications. Its range of products exhibit known biological activities that have found uses in a wide array of research fields, especially cancer and neuroscience. These products include protein kinase inhibitors, ion channel modulators, and activators.

Originally established in 1989 as a research company doing government grant work with exactly these types of molecules, LKT Labs has a unique understanding of the needs of its customers. Its goal is to provide laboratories around the world with a reliable and diverse source of high purity biochemicals with a particular focus on product quality, availability, and customer support.

LKT Labs产品范围：

Cancer Biology

Cardiovascular

Endocrine Signaling and Immunology

Metabolic and GI Pathology

Microbiology

Natural Products

Neuroscience

Peptides

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艾美捷科技有限公司

全国服务热线：400-6800-868

邮箱：sales@amyjet.com

网站：www.amyjet.com

Altogen Biosystems公司成立于1978年，是体外诊断工业和全球实验室原材料的主要供应商。我们为我们行业中最大的跨国公司提供广泛的人类纯化蛋白；单克隆和多克隆抗体；真菌、寄生、细菌和病毒抗原；以及用于体外诊断的疾病状态血浆。

Altogen Biosystems is a biotechnology company that develops and manufactures transfection kits for life sciences research, drug discovery and development. Altogen® In Vivo transfection reagents provide effective delivery of biomolecules into target tissues. Cell transfection kits are optimized for specific cancer cell lines and primary cell cultures.  Efficient delivery of cargo molecules (DNA, RNA, proteins) enabled by advanced reagent formulation and optimized transfection protocols. Altogen Biosystems develops new in vitro and in vivo delivery technologies by applying polymer chemistry, molecular and cell biology expertise.

Altogen Biosystems公司的主要产品包括：

Fungal, protozoan, bacterial and viral antigens

Monoclonal antibodies

Polyclonal antibodies

Disease state human plasma

Purified native and recombinant human proteins