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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全国服务热线：400-6800-868

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艾美捷科技代理Vectorbiolabs品牌全系列产品

Vector Biolabs是一家专注于提供高质量AAV（腺相关病毒）和腺病毒产品的生物科技公司，总部位于宾夕法尼亚州费城。Vector Biolabs公司提供包括定制病毒载体生产、载体设计、克隆、扩增、包装、纯化和滴度测定在内的服务，并且拥有一个包含超过90,000种针对人类、小鼠和大鼠基因组定制的AAV产品目录，服务于包括生物制药公司和研究机构在内的全球客户。此外，Vector Biolabs 为研究界提供与基因表达、基因编辑和基因沉默相关的服务。

▍Vectorbiolabs公司的产品与服务

● AAV定制生产：根据客户需求，定制生产AAV载体，以满足特定的研究或治疗需求。

● AAV控制产品：提供一系列用于AAV基因治疗的控制产品，确保实验的准确性和可靠性。

● 腺病毒建设与扩增：提供腺病毒的构建和扩增服务，支持客户的病毒载体研究。

● shRNA筛选/验证与产品目录：提供shRNA筛选和验证服务，以及相关的产品目录，帮助客户进行基因沉默研究。

使用AAV进行基因治疗的好处：

①低免疫反应：AAV载体引发免疫反应的可能性较低，适合敏感应用。

②稳定的基因递送：提供非整合基因递送，降低诱变风险。

③可扩展的生产：确保从小规模到大规模的研究和临床试验的可靠供应。

④广泛的治疗应用：多功能性使其成为靶向大脑、肝脏和视网膜等器官的理想选择。

▍Vectorbiolabs部分产品列表

Alamanda Polymers是世界领先的多聚氨基酸生产商，其主要产品为多聚寡氨基酸链以及PEG化的多聚氨基酸链。其拥有独特的多聚化工艺，是唯一能够提供确切的聚合数值多聚氨基酸的公司，能够使研究者的实验结果更加具有可重复性。

Alamanda Polymers specializes in the manufacturing of well-defined polyamino acids for research laboratories doing work in gene therapy, encapsulation, drug delivery, cell adhesion, and surface coating. Our company provides a wide range of metal-free biopolymers including homopolyamino acids and PEGylated polyamino acids. Due to our characteristic polymerization process, we are the only supplier able to offer effectually exact polyamino acid chain lengths thereby giving researchers new options for use and consistently reproducible results.

Alamanda Polymer has more than 15 years experience in the synthesis of polyamino acids, has developed a polymerization process that enables them to have complete control over the molecular weight of our polyamino acids without the use of metal catalysts. Furthermore, not only does the process enable us to achieve effectually exact chain lengths but also highly monomodal products (polydispersity index: 1.01-1.2) and batch-to-batch consistency.

产品包括：

Side-Functionalized Homopolyamino Acids

Poly-L-lysine

Poly-L-glutamic acid

End-Functionalized Homopolyamino Acids

Poly-L-lysine

Poly-L-glutamic acid

Poly-L-arginine

Homopolyamino Acids

Poly-L-lysine

Poly-D-lysine

Poly-D,L-lysine

Poly-L-ornithine

Poly-L-homoarginine

Poly-L-arginine

Poly-L-glutamic acid

Poly-D-glutamic acid

Poly-D,L-glutamic acid

Poly-L-aspartic acid

PEGylated Polyamino Acids

PEG-b-poly-L-lysine

N3-PEG-b-poly-L-lysine

PEG-b-poly-L-glutamic acid

N3-PEG-b-poly-L-glutamic acid

PEG-b-poly-L-aspartic acid

Poly(L-Lys)-b-PEG-b-poly(L-Lys)

Poly(L-Glu)-b-PEG-b-poly(L-Glu)

Poly(L-Asp)-b-PEG-b-poly(L-Asp)

Custom Polyamino Acids

Poly-L-lysine

Poly-D-lysine

Poly-L-glutamic acid

Poly-D,L-glutamic acid

Poly-L-arginine

PEG-b-poly-L-lysine

PEG-b-poly-D-lysine

PEG-b-poly-L-glutamic acid

PEG-b-poly-L-aspartic acid

Poly(L-Glu)-b-PEG-b-poly(L-Glu)

Polyamino Acids For Cell Culture

Poly-L-lysine

Poly-D-lysine

Poly-L-ornithine