TEST
RESULTS
TOO MANY VARIABLES? It's time to draw a line. Straighten out your cleaning problems with
HAEMO-SOL
N e w Spinco Continuous-Flow Paper Electrophoresis High
Resolution;
Flexibility
in Paper-Curtain
and
Electrophoresis
Efficiency from
Aloe
The Spinco Paper-Curtain Electrophoresis instrument lends itself to separation of all kinds of charged substances: proteins, polypeptides, amino acids and other biological materials. The unit also handles such organic substances as dyes and intermediates. In special cases, non-polar substances such as carbohydrates can be separated. The instrument is also useful in following organic reactions, and for immunochemical work. Design efficiency has been raised; resolution formerly requiring as much as 1500 volt operation is now made at one third this value. Paper-Curtain Electrophoresis offers this basic advantage: the processed material travels a unique path and thus absorption does not interfere with the purity of the product. Because of this, absolute separation can be made and pure fractions obtained. The new Spinco paper-curtain instrument also has the following additional features: • • • • • • •
Easily assembled and disassembled for cleaning. Paper curtain quickly removable for oven drying. Wide range of types and thicknesses of curtains. Stability of operation permits unattended operation. Large samples processed at up to 8 milliliters per hour. Small samples processed with virtually no hold-up. Automatic tube changing permits collection of large amounts of pure material. For information request Aloe Scientific Bulletin 20-110.
A L O E SCIENTIFIC D I V I S I O N O F A . S. A L O E
COMPANY
5655 Kingsbury, St. Louis !2, Missouri
aloe
LOS ANGELES SEATTLE KANSAS —
^
—
·
·
SAN
DENVER
CITY
·
· NEW
FRANCISCO
·
MINNEAPOLIS ORLEANS
WASHINGTON,
D. C.
Circle No. 65 A-1 on Readers' Service Card, page 77 A
·
There's nothing like Haemo-Sol's unique cleansing power and positive rinsing . . . it's completely safe! No etching! No corroding of metal parts! Immediate Haemo-Sol bath for valuable volumetric and optical equipment prevents soil etching! Haemo-Sol guarantees clean laboratory glassware and apparatus— • r e m o v e s t h e full r a n g e of l a b o r a t o r y soils • effectively d i g e s t s p r o t e i n o i d m a t e r i a l s . . . o t h e r t y p e s of p o l y m e r i c m a t e r i a l s • a s s u r e s free d r a i n i n g p i p e t s . . . b u r e t s • gives s p a r k l i n g c l e a r s u r f a c e s for q u a r t z a n d g l a s s a b s o r p t i o n cells • provides c h e m i c a l l y c l e a n r e a c t i o n a n d t i t r a t i o n flasks • leaves t h e c l e a n s u r f a c e s t h a t a r e a m u s t for t h e s m o o t h o p e r a t i o n of f r a c t i o n a t i n g c o l u m n s a n d o t h e r pieces of l a b o r a t o r y e q u i p m e n t . And, just as important as its unique cleaning power, is Haemo-Sol's high solubility and powerful solubilizing action. Haemo-Sol washed glassware rinses completely clean ... nothing remains behind but a chemically clean, free draining glass surface. W r i t e TODAY for Sample and Literature.
HAEMO-S (M^jwawig it-scrts d a w ^ · '"IWMataSiBtinstor»"* MEINECKE & COMPANY, Inc.
Distributed by
PHOENIX ·
DALLAS ATLANTA
MEINECKE & COMPANY, Inc.
M
225 Varick Street · New York, 14 Circle No. 65 A-2 on Readers' Service Card, page 77 A
VOL. 29, NO. 6, JUNE 1957 · 6 5 A
