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tag reagents microbiology neuroscience developmental biology

A scanning electron micrograph of a coculture of E. coli and Acinetobacter baylyi. Nanotubes can be seen extending from the E. coli.
What’s the Deal with Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021 | 10+ min read
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?
Top 10 Innovations 2021
2021 Top 10 Innovations
The Scientist | Dec 1, 2021 | 10+ min read
The COVID-19 pandemic is still with us. Biomedical innovation has rallied to address that pressing concern while continuing to tackle broader research challenges.
Top 10 Innovations 2013
The Scientist | Dec 1, 2013 | 10+ min read
The Scientist’s annual competition uncovered a bonanza of interesting technologies that made their way onto the market and into labs this year.
Top Ten Innovations 2011
The Scientist | Jan 1, 2012 | 10+ min read
Our list of the best and brightest products that 2011 had to offer the life scientist
2020 Top 10 Innovations
The Scientist | Dec 1, 2020 | 10+ min read
From a rapid molecular test for COVID-19 to tools that can characterize the antibodies produced in the plasma of patients recovering from the disease, this year’s winners reflect the research community’s shared focus in a challenging year.
Radioimmunoassay: A Proven Performer In the Bio Lab
Rebecca Krumm | May 15, 1994 | 9 min read
AUTHOR: REBECCA KRUMM, pp.17 Date: May 16,1994 SUPPLIERS OF RADIOIMMUNOASSAY KITS, REAGENTS, AND SUPPLIES The following companies offer radioimmunoassay supplies and equipment. Please contact the companies directly for more information concerning specific products. Advanced Chemtech 5609 Fern Valley Rd. Louisville, Ky. 40228 (502) 969-0000 Fax: (502) 968-1000 AMAC Inc. 160B Larrabee Rd. Westbrook, Maine 04092 (207) 854-0426 Fax
Radioimmunoassay: A Proven Performer In the Bio Lab
Rebecca Krumm | May 15, 1994 | 9 min read
AUTHOR: REBECCA KRUMM, pp.17 Date: May 16,1994 SUPPLIERS OF RADIOIMMUNOASSAY KITS, REAGENTS, AND SUPPLIES The following companies offer radioimmunoassay supplies and equipment. Please contact the companies directly for more information concerning specific products. Advanced Chemtech 5609 Fern Valley Rd. Louisville, Ky. 40228 (502) 969-0000 Fax: (502) 968-1000 AMAC Inc. 160B Larrabee Rd. Westbrook, Maine 04092 (207) 854-0426 Fax
Untangling Neuronal Calcium Signaling
Amy Adams | Jan 20, 2002 | 10 min read
From the very moment of conception, calcium plays a pivotal role in fetal development. It rushes in as a wave around the egg to herald the sperm's arrival, binding to proteins that help kick off the whole developmental process. From this first influx, calcium continues to play a critical role in how the body's cells respond to outside signals. Calcium tells muscles to contract and nerves to release neurotransmitters, and is at least part of the signal that helps people form and retain memories.
Death Watch II: Caspases and Apoptosis
Jorge Cortese | Jun 24, 2001 | 10 min read
Caspase Related Reagents Courtesy of Bingren Hu, Queen's Medical Center, Hawaii. Provided by Cell Signaling TechnologyConfocal micrograph of double immunostaining for cleaved caspase-3 (green) and propidium iodide (red) in newborn rat brain tissue. This section shows control and transient cerebral ischemia. Editor's Note: This is the second article in our two-part series on cell death. The first part: J. Cortese, "Death watch I: Cytotoxicity detection," The Scientist, 15[5]:26, March 5, 2001.
Building a Better Biosensor
Mike May | May 23, 2004 | 8 min read
A GRADIENT OF PORE SIZES:Courtesy of Michael J. Sailorimparts a rainbow of colors to a porous silicon chip, one of a variety of new biosensor technologies in development around the world. The different colors correspond to different sized pores, ranging from a few nanometers to hundreds of nanometers in diameter. These pores help the device discriminate and detect proteins and other molecules based on their size.One morning in March 1995, the deadly nerve gas sarin wafted through the Tokyo subwa

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