Polymer Source公司成立于1994年，致力于为世界范围的客户提供高品质的Deuterated Polymers 氘代聚合物和Protonated Polymers质子化聚合物。

Since its inception in 1994, Polymer Source Inc. takes great pride in supplying a high quality of architecturally controlled specialty polymers in the world of research and development. Our research team comprises of dynamic, competent and innovative scientists who excel in supplying top class service to various research institutions. Within a span of six years our team has accomplished the production of over 3000 block copolymers that have gained worldwide recognition.

Polymer Source公司的主要产品包括：

Deuterated Homopolymers 氘代均聚物

Deuterated Block Copolymers 氘代嵌段共聚物

Deuterated Functionlized Polymers 氘代功能聚合物

Deuterated Random and Alternating Copolymers 氘代无规和交替共聚物

Deuterated Monomers 氘代单体

Deuterated Oligomers (Dimer & Trimer etc.) 氘代齐聚物（二聚物和三聚物等）

C13 Labeled Polymers C13标示聚合物

Monomers-High Purity 高纯单体

Hydrophobic Polymers 憎水聚合物

Hydrophilic Polymers 亲水聚合物

Diblock Copolymers 双嵌段共聚物

Amphiphilic Block Copolymers 两性嵌段共聚物

A-B-A Triblock Copolymers A-B-A三嵌段共聚物

A-B-C Triblock Copolymers A-B-C三嵌段共聚物

Random and Alternating Copolymers 无规和交替共聚物

Functionalized Polymers 功能聚合物

Star-like Polymers 星形聚合物

Comb-like Polymers 梳子形聚合物

Labeled Polymers 标示聚合物

Ionomers 离子聚合物

Oligomers (Dimer & Trimer etc.) 齐聚物（二聚物和三聚物等）

Conducting and Luminescence Polymers 导电和荧光聚合物 

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艾美捷科技代理PromoCell细胞培养基产品线。

Promocell主要产品为人类原代细胞，人类干细胞和血细胞以及各种人类细胞特异的优化培养基。在其旗下的PromoKine品牌下，PromoCell也提供一系列用于细胞生物学实验研究的高品质产品，包括细胞分析试剂盒，细胞转染试剂，荧光染料，抗体，ELISA试剂盒和细胞因子等等。

PromoCell的主要产品包括：

Human Primary Cells

Human Stem and Blood Cells

Cancer Cell Culture

Cell Culture Media

Cell Pellets

Reagents and Supplements

Microbial Detection and Elimination

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VMRD公司位于美国华盛顿, 多年来一直致力于提供兽医学研究相关试剂和服务。公司业务领域包括: 诊断试剂盒, 荧光试剂盒, 抗体, 免疫试剂盒, 免疫检测服务。为客户提供高质量、高效率的产品和服务是VMRD一贯的宗旨。公司将不断开发兽医学产品,为世界健康服务。

VMRD was founded in 1981 by D. Scott Adams, DVM, PhD, and currently employs over 50 researchers, lab technicians and support personnel.  From its site in Pullman, Washington VMRD develops and manufactures veterinary diagnostic test kits and related reagents for distribution in more than 77 countries.  As a rapidly growing company, VMRD strives to preserve its family focused culture and core values of integrity and quality.

VMRD的主要产品包括：

Test Kits

Reagents

Antibodies

Coombs

Fluorescence

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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

艾美捷科技代理艾美捷科技代理Apollo Scientific化学试剂。

Apollo Scientific Ltd 是一家总部位于英国的公司，专注于为全球的研究和开发（R&D）市场提供高质量的化学试剂和中间体。公司成立于1996年，致力于为制药、生物技术、农业化学和材料科学等领域的研究人员提供化学产品。化学试剂和中间体：提供超过10万种化学试剂和中间体，涵盖有机化学、无机化学和材料科学等领域。包括杂环化合物、氨基酸衍生物、手性化合物和催化剂等。Apollo Scientific公司特色产品包括：氟化、杂环、有机物、无机物等化学产品，如：HEPES、毛地黄皂甙、DTE 二硫代赤藓醇等。

INDOOR Biotechnologies公司专注于室内空气品质、环境科学、过敏和哮喘相关的检测用产品和服务。

Indoor Biotechnologies was founded by Dr. Martin D. Chapman, formerly Professor of Medicine and Microbiology at the University of Virginia and a member of the UVA Asthma and Allergic Diseases Center. Dr. Chapman is a Fellow of the American Academy of Allergy, Asthma and Immunology and has served as a consultant to the U.S. National Institutes of Health, the Environmental Protection Agency, academic institutions and Fortune 500 companies..

INDOOR Biotechnologies公司的主要产品包括：

Multiplex IgE-QBA™ Kits

MARIA® Kits

ELISA Kits

Purified Allergens

Molecular Reference Standards

Antibodies

Rhinovirus Products

Allergen Standards

RhinixPRO Nasal Filters

Rapid Test and Dust Collection

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Rieke Metal公司位于美国内布拉斯加州Lincoln市，制造有机卤化锌和聚3-烷基噻吩产品。Rieke Metal提供超过5000种有机金属构件模块及超过40000种精细化学品，并且能够提供定制生产服务。

From the Rieke Metals headquarters in Lincoln, Nebraska, we manufacture the broadest line of organozinc halides and poly-3-alkylthiophenes of any company in the world. We offer over 5,000 organometallic building blocks and over 40,000 fine chemicals with the ability to custom manufacture many more. The Rieke team has over 135 years of shared experience conducting inert atmosphere reactions. Our expertise in creating reliable organozinc and Grignard reagents, fine chemicals, semiconducting polymers is unmatched. It’s no surprise that Rieke Metals has been honored to serve many of the largest and most innovative pharmaceutical and electronics companies in the world.

Rieke Metals公司主要产品：

1000 - Rieke® Highly Reactive Metals

2000 - Rieke® Organozinc Reagents

3000 - Grignard Reagents

4000 - Rieke® Specialty Conducting Polymers

4100 - Substituted Thiophenes

5000 - Functionalized Benzophenones

5500 - Heterocyclic Ketones

6000 - Functionalized Ketones

6250 - Functionalized Benzoylacetonitriles

6500 - Functionalized Trifluoromethyl Ketones

7000 - Functionalized Ketoacids

7500 - Functionalized Ketoesters

8000 - Functionalized Aldehydes and Acetals

8500 - Functionalized Ketoacetals

9000 - 1-Keto-3-Protected Aldehydes

10000 - Functionalized Terminal Alkenes

11000 - Biphenyls (Heterocyclic, Bipyridines, and Pyridyl Phenylamines)

14000 - Alpha-Ketoesters and Acids

18000 - Cyclopentane Dicarboxylic Acids, Anydrides, Ester Acids, and Derivatives

18500 - Cyclohexane Dicarboxylic Acids, Anydrides, Ester Acids, and Derivatives

Novel Chemical Synthesis fine organic compounds

Novel Chemical Synthesis Grignard reagents

Novel Chemical Synthesis organozinc reagents

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Thomas Scientific公司为科学界提供最先进的设备，与传统的制造商一样，Thomas Scientific可以为客户提供个性定制服务。而且Thomas Scientific强大的目录提供了几百万种的产品，可供客户选择。

Thomas Scientific provides the latest in equipment and supplies to the science community. In accordance to the tradition of the original founders, Thomas Scientific itself offers individualized customer service, innovative scientific equipment, and a comprehensive catalog offering a wide selection of product listings at a great deal.  We are a registered contractor for the U.S. Federal Government.

Thomas Scientific的主要产品包括：

（1）配件: 瓶、滤膜、擦镜纸、塑料盘、显微镜载物台、盖玻璃、笔记本、培养皿、管子和小瓶等；

（2）设备: 水浴、加热器、离心机、电炉、培养箱、烤箱、泵、摇动搅拌器等；

（3）仪器: 风速计、天平、比重计、湿度计、显微镜、pH计、码表、温度计、定时器和粘度计等；

（4）化学试剂: 缓冲试剂、清洁剂、干燥剂和试剂等。

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艾美捷科技代理Screenfect品牌全系列产品

ScreenFect GmbH成立于2012年，是一家专注于细胞转染技术创新的德国生物技术公司。ScreenFect®转染试剂是该公司的核心产品，是依托组合化学方法构建独特化学文库，通过高通量细胞筛选平台高效开发的转染试剂。ScreenFect®转染试剂适用于多种核酸分子（包括pDNA、siRNA、mRNA、miRNA）的单转染与共转染，在难转染细胞（如原代细胞、干细胞）中具有优异性能。

▎ScreenFect®转染试剂

● ScreenFect®A是一款通用型转染试剂，适用于pDNA、siRNA、mRNA的递送以及共转染实验，可广泛应用于多种细胞系（如HEK、HeLa、MEF）及部分原代细胞系。高效转染：在96孔板中仅需低于100ng DNA即可实现高转染效率。

● ScreenFect®siRN 是转染小干扰RNA双链体的理想选择，适用于HEK、HeLa、MEF等标准哺乳动物细胞系及多种原代细胞系。

● ScreenFect®mRNA是专为mRNA转染优化的高效试剂。

● ScreenFect®A-plus是一款多功能增强型转染试剂，适用于pDNA、siRNA、mRNA的转染及共转染实验，在几乎所有细胞系（包括难转染细胞）中均能实现高效转染。

ScreenFect®转染试剂具有以下特点：

● 低细胞毒性：显著降低对细胞活性的影响

● 省时一步法：支持细胞铺板与转染同步操作（即用型方案）

● 快速优化：针对新用户/新细胞系提供简易优化流程

● 血清兼容性：无需更换培养基，可直接在含血清环境下使用

● 无动物源成分：杜绝动物源性物质污染风险

● 高通量适用：完美适配大规模筛选实验需求

▎ScreenFect®UP-293

ScreenFect®UP-293 是一款专为高效生产抗体及蛋白设计的转染试剂，适用于HEK 293-F悬浮细胞体系。配合ScreenFect®Booster增效剂使用，可最大化提升悬浮细胞中的蛋白产量。

▎ScreenFect®Booster

在完成HEK293F悬浮细胞的ScreenFect®UP-293转染后，于转染后16小时添加ScreenFect®Booster增效剂，可显著提升蛋白产量。该增效剂含特定复合组分，通过重编程细胞代谢路径（从增殖模式转向蛋白合成模式），从而高效提升大多数目标蛋白的表达水平。

PhytoTechnology（简称PhytoTech）公司是一家专门从事于研发和生产植物组织培养基，植物学技术相关产品的一家科研生产性企业。由Dr. Kenneth C. Torres博士和他的妻子Janet 于1997年在美国Lenexa, Kansas州创立，随着公司产品的不断改进和更新，目前PhytoTech公司已经成为了世界上著名的植物生物学类产品的生厂商和原料供应商，其公司产品以稳定的质量和优质的价格已赢得了世界范围内众多客户的认可，并在植物学的各个领域内广泛使用。

PhytoTechnology Laboratories manufactures and distributes products to the plant tissue culture, plant biotechnology, and plant science markets. Our products are used to mass propagate plants on sterile culture media in laboratory settings. We also supply products for the genetic improvement of plants through gene transformation research. Manufacturing, product development, administration and distribution of products are all performed at the PhytoTechnology Laboratories campus (20,000 square feet of production and research and development space) in Overland Park, a suburb of the Kansas City metro area in Kansas. This central US location provides direct access to most major markets around the world.

PhytoTechnology公司主要产品包括：

Plant Media

Biochemicals

Molecular Biology

Microbiology

Phytopathology

Phycology

Seed Testing

Kits Equipment

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