" MDI " :
Whole Blood Separator Introduction |
MDI Whole Blood Separator Introduction
Advancements in blood separation research MDI at has resulted in a unique set of Red Blood Cell (RBC) separation materials which satisfy the long standing demands of the lateral flow diagnostic test manufacturing industry. Blood separaqtors are useful as they offer following advantages to a point of care rapid test manufacturer.
Eliminates the need for storage
centrifugation or clotting of blood samples.
No technical expertise and lag equipment is required.
True one step method. No liquid buffer is required in the kit.
On the spot results in critical situations.
Results are reliable as intermixing of patient's sample is avoided
Commonly Faced
Problems
with Blood Separator
|
Solutions offered
by mdi Blood Separator WFR1
|
Leakage
of RBC on the memberane is very slow
resulting in delayed results. |
Higher
void volume and extermely high retention efficIency results in full
stoppage of RBC |
The
migration of plasma on the memberane is very slow resulting in delayed
results |
The
unique composite design faciliates faster migration of plasma through the
seprator |
High
volume of blood is required due to poor plasma
recovery. |
The
unique composite structure allows high plasma recovery making it possible
to make one step whole blood assays with as little as 25 whole blood |
The
seaprator may work for fingerprick blood but does not work stored blood
(with anticoagulant) |
separators
work well with fingerprick as well as stored blood |
The
separator absorbs the analyte resulting in reduced sensitivity |
The
absorption of the analyte in minimal resulting in higher sensitivity |
Modes of whole
blood test Kits
Whole blood lateral flow are designed in two distinct modes
Mode 1: A
liquid buffer is provioded with the test kit to drive the plasma through the
sample pad and the membrane to complete the assay. Minimal quantity of whole
blood can be used.
Mode 2 :
The test kit does not contain any liquid buffer. Plasma separated from applied
whole blood itself migrates up the membrane to comnplete the assay.
Format Design
Mode 1 : Blood separator FR1 acts as the sample pad and will stop the RBC
. Typically 5- 50 whole blood is applied in the holwe of the device and 2-3
drops of buffer are added to drive the plasma. A separate conjuate release pad
is required.
Mode 2: The Polyester matrix of WFR1 stops some RBC allowing free flow of
plasma whereas the white matrix stops the reamining RBC completely allowing only
plasma to flow through the NC membrane . Due to the design and construstion of
above material the RBC do not leak to the membrane assuring a valid assay, even
if excess blood is applied. To conseve plama and enhance the speed of flow .
WFR1 also as conjuate release matrix. The format design is shown in fig.2
Typically 2- 3
drops of whole blood is required . However by proper design of a dipstick with
reduced dimensions, tests can be made to run with only one drop of whole blood.
Ordering
Information
FR1 is available in roll from slit to desired width with 0.35mm and 0.65mm
thickness
WFR1 is available only in strip fromupto 30cm long.Width is customer specified
as required as required to fit the cassette/dipsticks.
|
Time
for plasma to reach window of device (sec) |
Time
for plasma to cross the window
(sec) |
Hemolysis
|
Volume
of blood
xxxxxx sample added |
WFR1-mdi |
85
|
152
|
No
|
3 drops
|
Competition-C |
250
|
360
|
Seen after
10 minutes in some samples
|
4 drops
|
CAT No. |
Description |
단위/갯수 |
Price[VAT포함] |
가격문의
|
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