美国国家标准与技术研究院（National Institute of Standards and Technology，NIST），从事物理、生物和工程方面的基础和应用研究，以及测量技术和测试方法方面的研究，提供标准、标准参考数据及有关服务，在国际上享有声誉。

The National Institute of Standards and Technology (NIST) is a physical sciences laboratory, and a non-regulatory agency of the United States Department of Commerce. Its mission is to promote innovation and industrial competitiveness. NIST's activities are organized into laboratory programs that include nanoscale science and technology, engineering, information technology, neutron research, material measurement, and physical measurement.

NIST的主要产品和服务包括：

（1）STANDARDS AND MEASUREMENTS

Calibration Services

Laboratory Accreditation (NVLAP)

Quality System

Standard Reference Materials (SRMs)

Standards.gov

Time Services

Office of Weights and Measures

（2）SOFTWARE

（3）DATA

Chemistry WebBook

National Vulnerability Database

Physical Reference Data

Standard Reference Data (SRD)

（4）COMPUTER SECURITY RESOURCE CENTER (CSRC)

（5）LICENSE & PATENTS

（6）NIST RESEARCH LIBRARY

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Thermo Fisher服务各行各业的客户，包括医药和生物技术公司、医院和临床诊断实验室、大学、科研院所和政府机构，以及环境与工业过程控制行业等。

Thermo Fisher的主要产品包括：

Most Popular Categories

Antibodies & Immunoassays

Cell Culture & Transfection Reagents

Chromatography Columns, Resins, & Spin Filters

Drug Discovery Assays

Gels & Membranes

Instruments & Equipment

Lab Reagents & Chemicals

Lab Supplies, Plastics & Glassware

Primers/Oligos, Cloning & Gene Synthesis

Software & Digital Storage

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Innovative Research of America(IRA) 是一家致力研发于药物定量定时缓释系统的专业化公司，又称Matrix-Driven Delivery (MDD) 给药系统。该给药系统由一个可生物吸收的基质组成，含有定量可控的活性给药成分，可以以设定的剂量在一定时间范围内进行给药。

Since it is not easy to administer drugs and hormones orally to research animals, several delivery methods have been devised as alternatives.  However, most scientists continue to labor with unreliable injectables to conduct their research.

Matrix-Driven Delivery (MDD) Pellet（MDD片剂）的优势

Saves time

Ready-to-implant

Insures controlled product release over time

Avoids "peak and valley" effects

Guarantees consistent product preparation

Extends product life against spontaneous breakdown

Extends product life against host-related breakdown

Minimizes experimental variables

Insures safety of the experimenter

Reduces neurophysiological trauma to animal/no excessive handling

Generates more meaningful and reproducible results

Superior to conventional delivery methods

Enhances experimental efficiency

Frees valuable time for creative research

Saves money

Innovative Research of America的主要产品包括：

ANTIBIOTICS

ANTI-INFLAMMATORY AGENTS

ANTI-NEOPLASTICS

CATECHOLAMINES & RELATED PRODUCTS

CORTICOIDS & DIURETICS

ESTROGENS & ANTI-ESTROGENS

FATTY ACIDS

MISCELLANEOUS PRODUCTS

NUCLEOTIDE RELATED PRODUCTS

PLACEBO

PROGESTINS

PROSTAGLANDINS

THYROIDS

VITAMINS

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