Transitioning From HPLC to UHPLC of Proteins............... 48
by R.L. Stevenson The transition of a protein assay from HPLC to UHPLC may not be as simple as it is with small molecules.
TECH INTELLIGENCE
Environmental Mass Spectrometry.................................... 36 by M. May
Microbes Make or Break Foods.................................................46 by M. May
NEW PRODUCTS Product Highlights...................................................................51
DEPARTMENTS Editor’s Page............................................................................. 6 Not a Drop by S. Ernst
Science News............................................................................ 8 Advertising Index.................................................................. 56
Rely on CARVER Laboratory Press es
The world’s most popular lab press es with more choices, more features, more per for mance. Se lect from two-col umn and four-col umn benchtop, floor stand ing, man u al and au to mat ic hydraulic press es with clamp ing ca pac i ties from 12 to 100 tons. Auto Series presses feature integral pow er and user friend ly mi cro pro ces sor based con trols. Heat ed plat ens with dig i tal ly con trolled car tridge heat ers, plus a wide array of ac ces so ries for ded i cat ed ap pli ca tions, let you choose just the right press for your needs. Con tact us today for com plete in for ma tion.
15 ton Model 3889 (Auto "C") with heated platens, digital temperature controllers
Volume 48, Number 2 March 2016
EDITOR AND GENERAL MANAGER - Steve Ernst
sernst@americanlaboratory.com
EDITOR EMERITUS - Robert L. Stevenson
rlsteven@yahoo.com
DIRECTOR OF EDITORIAL - Donna Frankel
dfrankel@americanlaboratory.com
CONSULTING EDITORS Rathin C. Das Barbara Foster Ashok K. Shukla Mukta Shukla
ART DIRECTOR - Jennifer Campbell
jcampbell@comparenetworks.com
PRODUCTION MANAGER - Allison Kem
akem@comparenetworks.com
CHIEF TECHNOLOGY OFFICER - Andy Miller
amiller@comparenetworks.com
DIRECTOR OF CUSTOMER SUCCESS - Jeanely Hunt
jhunt@comparenetworks.com
ACCOUNT COORDINATOR - Max Mathison
jmathison@comparenetworks.com
WEB PLATFORM MANAGER - Stephanie Bolton
sbolton@comparenetworks.com
ADVERTISING MANAGERS
SALES DIRECTOR - Matthew Gray McClosky
mmcclosky@americanlaboratory.com | 650-416-0510
SENIOR ACCOUNT EXECUTIVE - S. McCorvie Wham
MWham@americanlaboratory.com | 203-209-7299
SENIOR ACCOUNT EXECUTIVE - Jack Apostolik
japostolik@americanlaboratory.com | 650-243-5639
SENIOR ACCOUNT EXECUTIVE - Irene Devos
idevos@comparenetworks.com | 650-243-5633
EUROPEAN ACCOUNTS MANAGER - Hilary Turnbull imPRESS International Media Ltd.
hturnbull@americanlaboratory.com | +44 (0) 1875 825700
CORPORATE OFFICE CompareNetworks, Inc. 395 Oyster Point Blvd., Suite 321 South San Francisco, CA 94080, U.S.A.
an American Laboratory/Labcompare publication American Laboratory (ISSN 0044-7749) Volume 48, Number 2
12 ton manual Model 3851 (Model C)
Free subscriptions are available to qualified individuals. To request, edit, or cancel a subscription to American Laboratory, please visit
www.americanlaboratory.com. Published 9 times per year— monthly except January/February, June/July, and November/December when combined—by CompareNetworks, Inc., 395 Oyster Point Blvd., Suite 321, South San Francisco, CA 94080, U.S.A.; e-mail: info@
americanlaboratory.com; Home Page:
www.americanlaboratory.com. Periodicals postage paid at San Bruno, CA, and additional mailing offices. Printed subscriptions available, 2015 subscription rates: $400 in continental U.S.A.; $1075 in other countries (including postage, surface rate). Digital subscriptions available: $275. Call for agency discount. Select back issues available; call Yuko Kim at 650- 416-0503 for details: $60.00 per issue. California residents add 8.5% sales tax.
CompareNetworks, Inc. assumes no responsibility for the statements and opinions advanced by the contributors. Change of address: Provide old mailing label as well as new address, or new address and four-letter, seven-digit subscriber code, in the upper left-hand corner of the mailing label. Include zip or postal code. Allow 4–6 weeks for address change. POSTMASTER: Send address changes to: CompareNetworks, Inc. 395 Oyster Point Blvd, Suite 321, South San Francisco, CA 94080.
ISO 9001:2008 Certified
www.carverpress.com Tel: 260-563-7577
carverpress@corpemail.com AMERICAN LABORATORY 4 MARCH 2016
©Copyright 2016 by CompareNetworks, Inc. All rights reserved. Reproduction in whole or in part without written permission from American Laboratory/Labcompare is prohibited.
ALBYBL 48(2) 1–56. American Laboratory is registered with the U.S. Patent and Trademark Office.
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60