You Searched For: Trace Evidence Learning Activities

wardsci.com 800.962.2660 Developing a purchasing plan and rigorously following the plan when ordering the school’s chemical supply will help safety prevent waste and save money. The following may help your school make chemical purchases efficient ...

Ward’s Science Tel: (866) 260-0501 47    2 The Science Teacher Science Facilities by Design Sandra S. West Lamoine L. Motz and James T. Biehle 3 National Science Teachers Association (NSTA). 2007. NSTA Position Statement: Liability of Science E...

1 All About Elements: Oxygen http://wardsci.com https://wardsci.com/store wardsci.com | 800-962-2660 2 3 Fun Facts About… Oxygen 1. Oxygen constitutes 21% of our atmosphere nearly half the mass of the earth’s crust and about two thirds of the huma...

Using Type 1 Water (18.2 MΩ-cm) for High Performance Liquid Chromatography in the Food & Beverage Industry Tammy Goodman Commercial Manager Water Purification Thermo Scientific High Performance Liquid Chromatography (HPLC) is widely used in the fo...

Quick Reference Protocol (QRP) Optimizing Plasmid DNA Delivery with TransIT® Transfection Reagents Quick Reference Protocol for DNA Transfection Optimization in a 12-well Plate Format OPTIMIZATION PROTOCOL FOR PLASMID DNA DELIVERY The following pr...

Introduction Stain-Free gel technology enables detection of protein bands in gels and on transfer membranes without using colorimetric or fluorescent stains. Stain-Free gels (Bio-Rad) contain a trihalocompound within the gel matrix that produces a...

CHALLENGE A top 25 biopharmaceutical company was using various external contract research organizations (CROs) to conduct GLP studies in order to support product development and new drug candidate submissions. After over 15 years of conducting the...

1 All About Elements: Helium https://wardsci.com/store wardsci.com | 800-962-2660 2 3 Fun Facts About…Helium 1. Helium is the second most abundant ele- ment after hydrogen in the universe and solar system. Approximately 11.3% of all atoms in the u...

1 All About Elements: Helium https://wardsci.com/store wardsci.com | 800-962-2660 2 3 Fun Facts About…Helium 1. Helium is the second most abundant ele- ment after hydrogen in the universe and solar system. Approximately 11.3% of all atoms in the u...

For Laboratory Technicians the Risk is Real Whether identified as Repetitive Stress Dis- order (RSD) Repetitive Stress Injury (RSI) or Cumulative Trauma Disorders (CTD’s) muscu- loskeletal injuries in the workplace have been a serious issue for th...

Chemiluminescent Westerns are popular assays for assessing protein expression. In this indirect detection method chemiluminescent substrates emit light when reacted with an antibody conjugated to an enzyme. The emitted light is captured and archiv...

A p p lica tio n N o te 2 1 1 5 1 The Analysis of Glycerin and Glycerides (ASTM D6584) Peter Morgan Runcorn Cheshire UK Introduction Biodiesel is routinely used to supplement petroleum diesel due to the high cost of crude oil. Several ASTM specifi...

Manufacturing CUSTOM CHEMICALS AND SERVICES SUPPORTING SCIENTIFIC ADVANCES FOR HUMAN HEALTH VWR Custom Manufacturing Services2 VWR enables the advancement of science by providing high-quality chemicals and services customized to your product or ma...

1 All About Elements: Carbon http://wardsci.com https://wardsci.com/store wardsci.com | 800-962-2660 2 3 Fun Facts About… Carbon 1. Graphine an allotrope of carbon is the strongest thinnest and best conductor of heat known to man. It was created b...

1 All About Elements: Carbon http://wardsci.com https://wardsci.com/store wardsci.com | 800-962-2660 2 3 Fun Facts About… Carbon 1. Graphine an allotrope of carbon is the strongest thinnest and best conductor of heat known to man. It was created b...

Goal The following application note describes how to simply and quickly measure the haze or “turbidity” in beer using a Thermo Scientific™ Orion™ AQUAfast™ AQ3010 Turbidity Meter. Introduction The haze observed in beer is something the chemistry w...