Alfa Aesar（阿法埃莎）是一家科研化学品、金属和材料的生产商及供应商，公司产品在各种应用领域的研究和开发中发挥着重要的作用，凭借多年的生产经验，该公司的化学师们掌握了大量的技能和经验，利用从实验室规模到中试工厂再到商业化批量生产的工艺路线，向客户交付出优质的化学产品。Alfa Aesar在全球各地的许多工厂从事化学合成生产。在英国西北部的Heysham工厂是该公司的主要实验室之一，经验丰富的开发和生产团队可交付各种产品，以满足制药到半导体、结构材料和成像的各行业客户的需要。

Alfa Aesar的主要产品包括：

Chemicals (32249)

Education (2205)

Life Sciences (1463)

Diagnostic Tests and Clinical Products (1213)

Cell Culture (255)

Electrophoresis, Western Blotting and ELISA (113)

Testing and Filtration (88)

Healthcare (80)

Thermometers, pH Meters, Timers and Clocks (70)

Beakers, Bottles, Cylinders and Glassware (63)

Spatulas, Forceps and Utensils (33)

Wipes, Towels and Cleaning (31)

Histology and Cytology (26)

Dishes, Plates and Flasks (18)

Production (15)

Balances, Scales and Weighing (14)

Desiccation and Evaporation (14)

Spectrophotometers, Refractometers and Benchtop Instruments (13)

Chromatography (11)

Gloves, Glasses and Safety (9)

Sonicators, Homogenizers and Blenders (8)

Pumps and Tubing (5)

Instrument Lamps, Lighting and Electrical (4)

Microscopes, Slides and Coverslips (4)

Clamps, Stands and Supports (2)

Test Tubes, Vials, Caps and Closures (2)

Animal Research (1)

Filtration (1)

Incubators, Hot Plates, Baths and Heating (1)

Mixers, Shakers and Stirrers (1)

AG Scientific公司于1997年成立，是创新生物化学品和医药原料的主要供应商。AG Scientific的使命是发现、开发和提供生化原料以加速科学发现。客户在分子生物学、神经生物学、细胞生物学、癌症研究、药物发现、农业生物技术和动物健康等领域取得了重大进展。

Founded in 1997, we are focused on advancing drug development via innovative biochemicals for preclinical research, as well as, custom raw materials for diagnostic test development.

按照研究领域细分：

Molecular Biology

Neurobiology

Cell Biology

Cancer Research

Drug Discovery

Gricultural Biotechnology 

BiosPacific公司是R&D Systems 旗下专门为临床诊断试剂的研发与生产提供抗原、抗体（多抗、单抗、偶联的抗体、抗体对）的公司，在临床诊断试剂方面非常著名，是临床诊断试剂原料的全球供应商。BiosPacific公司是全球著名的临床诊断抗原抗体原料的供应商，其产品主要集中在癌症（肿瘤）、内分泌、传染病、人血清蛋白、甾类、血管病等标记物的优质单抗、多抗、抗原、偶联抗体，以及抗体对（matched pairs）。

As a manufacturer and supplier of antibodies and antigens of exceptional quality, for more than 29 years, BiosPacific is experienced in meeting the rigorous demands of the industrial client. Our success has been due, in large part, to our commitment to find the most effective solutions for your individual needs. Our expansive range of monoclonal antibodies, affinity purified polyclonal antibodies and purified proteins for immunoassay development allows us to support our customers collaboratively from feasibility to manufacturing. Browse by subject category such as cancer or cardiac markers below, or do a keyword search using the search field above.

BIOSPACIFIC产品的主要涵盖领域：

（1）Cancer

AFP, Alpha-2 Macroglobulin, Beta-2 Microglobulin, CA 125

（2）Endocrine Thyroid

ACTH, FSH, hCG, hGH, IGF-1, Insulin, LH, Proinsulin

（3）Steroids

Cortisol, Estradiol, Progesterone, Testosterone

（4）Cardio-vascular

CKBB, CKMB, CKMM, CRP, D-dimer, Myoglobin, TNI

（5）Human Serum Proteins

Albumin, Alpha-1 Antitrypsin, APO E,CRP, Hemoglobin

（6）Miscellaneous

Ferritin, Glucagon, IgE Myeloma Plasma, Stripped Serums, TPO

（7）Drugs

Amikacin, Amphetamine, Barbiturate, Benzodiazepine

（8）Infectious Diseases

Adenovirus, Chlamydia, CMV, Influenza A & B, HAV, HBcAg, Zika

（9）Medix Biochemica

AFP, CEA, CKMB, IgA, Myoglobin, RSV, SHBG, TSH