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tag quantitative pcr ecology immunology

Ants Share Pathogens for Immunity
Sabrina Richards | Apr 3, 2012 | 4 min read
A new study shows that grooming by ants promotes colony-wide resistance to fungal infections by transferring small amounts of pathogen to nestmates.
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.
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.
Taking The Measure Of The Message
Laura De Francesco | Nov 22, 1998 | 9 min read
Date: November 23, 1998Product Comparison Getting a measure of even a single RNA species has never been easy. Every few years, a new technique comes along--Northerns, ribonuclease protection assays, RT-PCR--that makes the task only incrementally easier. But a quantum leap in technology took place just a few years ago with the introduction of cDNA arrays, and suddenly not just one but hundreds to thousands of target nucleic acids can be analyzed simultaneously and precisely. Since then, array te
In Evolution's Garden
Megan Scudellari | Jun 1, 2013 | 9 min read
Raising one evolutionary question after another, Brandon Gaut has harvested a crop of novel findings about how plant genomes evolve.
Surpassing the Law of Averages
Jeffrey M. Perkel | Sep 1, 2009 | 7 min read
By Jeffrey M. Perkel Surpassing the Law of Averages How to expose the behaviors of genes, RNA, proteins, and metabolites in single cells. By necessity or convenience, almost everything we know about biochemistry and molecular biology derives from bulk behavior: From gene regulation to Michaelis-Menten kinetics, we understand biology in terms of what the “average” cell in a population does. But, as Jonathan Weissman of the University of Califo
The Guide to Products and Services
The Scientist Staff | Oct 15, 1995 | 5 min read
Still typing bibliographies by hand? Let EndNote do it for you. Join more than 85,000 researchers who use EndNote. Comes with more than 240 journal styles. EndLink comes with 140 filters to import from online services and CD-ROMs. Windows or Macintosh. NILES & ASSOCIATES, Inc. (800) 554-3049 FAX (510) 559-8683 e-mail info@niles.com Instrument Catalog The new, free 1995-1996 Cole-Parmer instrument catalog contains over 1700 full-color pages and features more than 40,000 products covering scient
O Come, All Ye Scientists
Anne Minerd(aminerd@the-scientist.com) | Dec 5, 2004 | 7 min read
Scientists from Manhattan to Pasadena, Moscow to Johannesburg, responded to The Scientist's question, "What gift do you most want this holiday season, and why?" Answers included the practical (sliceable gel blocks), the whimsical (a Star Trek tricorder), and meteorological (another El Niño). But what they all had in common was the desire for that most intangible and elusive of gifts: hastened progress in the researchers' respective fields.TREKKIAN DELIGHTFor upcoming missions to Mars and Eu
Distinguishing Th1 and Th2 Cells
Jeffrey Perkel | May 13, 2001 | 10+ min read
Reagents That Distinguish Th1 and Th2 cells Courtesy of R&D SystemsSchematic representation of cytokines influencing the development of antigen-activated naive CD4+ T cells into Th1 and Th2 cells. Editor's note: Although individual techniques are associated with specific researchers in this article, it should be noted that these investigators commonly use several different techniques to analyze T lymphocyte populations. The human body is constantly under siege. It must defend itself fr
All's Well that Ends Well: A Profile of Specialty Microwell Plates
Brent Johnson | Sep 26, 1999 | 10+ min read
Date: September 27, 1999Table of Specialty Microplates The story of the microplate is one of those tales of history that either has been forgotten or was never clearly understood. According to Barry Lazar of Dynex Technologies, formerly Dynatech Laboratories, the origin of what is now commonly referred to by Dynex's registered trademark of Microtiter plates began with Gyola Takatsy, a Hungarian-born scientist who was trying to scale down serology tests. His first prototype became available in 1

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