Method for purifying nucleic acids

separate those

various

two-phase

containing

hydrophobic

fluids,

a hydrophilic

liquid.

A plurality

gas-diffusion

especially

liquid

and

a

electrode.

flexible supports.

of the cell is rigid. Alternatively,

of the wicking

fibres can be formed

into sheet, membrane,

array

the compartment

or the like, through

which

fluid

electrode)

can be passed

in order

the two-phase

to separate

of

one phase

is maintained

the

other

Patent number: WO 01154787

presses the planar

Inventors: R.I? Rohrbach,

electrode

D. Bause, G.W. Jones,

Applicant: Anda Biologic&

SA, France

The

is the detection

subject

of this patent

microorganisms as serum, other

concentrated

sputum,

fluid

reaction

pericardiac

on

membranes.

from

the

body

fluid,

surface

of

urine

of

or

retaining

The process uses specific partners

that

the retained

bind

to antigenic

organisms

suspension

in body

on the membrane

fluids

of

guanidine,

the organisms

and/or

are treated

concentration

components

when

a

urea, isothiocyanate,

Publication dzte: 9 August

Applicant: Hydrion The

invention

suitable

for

comprises

relates

cations

a measuring

electrode

housing.

At least

embodied

as an ion-sensitive

a matrix

material

material.

one wall

The matrix

technical

ceramics.

provided

with

technical

ceramics

The

in a is

ionoforic

is made of porous is further

one substrate

made

ionoforic

In addition,

relates to the membrane

is It

made of

an apolar

for feeding

to the membrane.

contained

membrane

at least

that

of the housing

material

provides

membrane from

system

a fluid.

and a second

for

layer comprising

composition. contact

of

material

and

or

second

the

Applicant: Commodore

2001

Technologies

‘extractants’

and organic acids,

compartments and

contains

a planar

between

support

and

material

is above nucleic

containing

the

to permeate

the

the

acids. starting

membrane,

acids are selectively

bound

or in the pores of the membrane.

membrane acids

is optionally

washed,

are optionally

in an additional

eluted

and the from

the

step.

Inventors:T. Kolzau, H.-G. Kahn, W. Phister, M. Ulbricht Publication date: 16 August

Membrane

2001

module

Applicant: Bucher-Guyer

include

The invention

dialkyl

device used to separate

includes

with an alcohol,

which

substance

method.

The

a number

encircle

module

for a

mixtures

in a

membrane

of tubular

module

membranes,

(at least in sections)

a common

Patent number: WO 01/56933

module.

The aim of the invention

Inventor: W.S. Ho

module

of this type. To this end, at least two of

element and

is interposed

the gas-diffusion

A flow of electrolyte,

planar

element

gravity.

The

downwards, membrane/planar assembly

by the current

Membrane Technology No. 140

fed from

crosses under

the

the porous,

the tubular

progression

Applicant: Honeywell

path

of the

In a hydrogen

International

gas fuel cell a polymer

preferably

Inc, USA electrolyte

membranes

encircle The

and which ‘discoidal’

is to improve a common

a

spiral

membranes

are

like a cable, at least along the

of a part in

manner

an essentially

manner.

twisted

length,

membrane

helical

for forming

axis in a helical

under

element/gasdistributor

2001

axis in an essentially

Pol mer electrolyte membrane fue Y-cell components

the force of

is kept

Publication dute: 9 August

reactants

cross-current comprises

AG, Switzerland

covers a membrane

are provided

electrode

of the intermediate

a filler, in a

of starting

for precipitating buffer

the

is mixed

to adjust the final

to a level that

for the

for manufacturing

acid extractants

pentasulfide

that contains

in the mixture

porous

layer or

The new classes of extractantS

phosphorus

liquid

material

that is sufftcient buffer

a

method,

with a mineral acid.

of the electrolyzer,

compression

mixing

starting

buffer

of

the

a gas-diffusion

porous

electrode

prepurified

binding

nucleic

to

Patent number: WO 01159098

costs.

novel classes of

acids

The

means

followed by hydrolysis

inside

diffusion

by

According

At least one of the two

the membrane

electrode.

material,

required

for purifying

a nucleic-acid-containing

increasing

of manufacture

phosphoric

compartment.

relates to a method

membrane

processing

it provides

the dialkyl

It is

an

nucleic acids

to improve

polymerized

acids. The method

and one

of a supported

in a microporous

phosphoric

into

AG, Germany

from

acids

and binding

a supported

Applicant: Uhdenora

drains

nucleic

concentration

species while

phenylphosphonic

water. surface

The invention

concentration

and a strip dispersion

and methods

of liquid the PEM

200 1

for purifying

with a binding

and process streams. The process

alkyl

extractants.

cell is described.

Method

Applicant: Eppendorf

value

uses a combination

Electrol sis cell with gas-diffusion electro cres

compartment

Publication date: 16 August

the nucleic

embedded

the has

Inventors: M. Kaiser, T.J. Rehg

to the surface

with an interfacial

abutting

abutting electrode)

Patent number: WO 01/59865

whereby

penicillins,

also provides

strand

electrode)

metals, radionuclides,

layers. Additionally,

SRL, Italy

reservoir.

the removal and recovery of target species, such as

material

Technologies

the cathode

is left

from wastewater

in a repetitive

in a reservoir

(facing

are

do not cross over

the anode

strand

material

membrane,

2001

wicking

therein.

a Bbre

layer and the

arranged

(facing

exhaust

The

Inventors: AI? Van Loon,

M.H.J.Wissink,

and

Each

surface

cut of

each catalyst

provides a novel process for

liquid membrane

C. Huiskes

PEM,

of

nonporous

grooves

composed

such that the strands

optionally

Inc, USA

The invention

cathodic

is in direct

Separation

The present invention

as component to the

in between

membrane.

Patent number: WO 01157508

electrolysis

is in sensor

Combined supported liquid membrane/strip dispersion processes

the invention according

located

surface

a conductive

having

strands,

starting

invention.

up of one anodic

layer

more

layer

stability and reducing

made

enzyme;

with the first layer.

of the target

A membrane

an

of a first

first

one

membrane

instrument

plate

other.

sandwich-like

of each electrode

a water-soluble

The

with

of the invention

described

Publication date: 9 August

filtering

an analyte-responsive

extraction

of the measuring

a diffusion-

It is composed

Publication dhe: 9 August

membrane

comprising

Inc, USA

invention

of the

porous

and gas, are

layer. The remaining

one end situated

Inventors: I? Kelly, J. Schiffer

or anions.

bipolar

of

to liquid

side

abuts

Wicking

PEM

Patent number: WO 01157241

to an instrument

a catalyst electrode

Each wicking

layer, comprising

contact

2001

diffusion-limiting

present

electrodes,

BV, The Netherlands

measuring

Cast analyte membranes

direct

Cation or anion ‘measurement’

such that one surface

each

monomer

2001

on either

each

electrode,

sheet

assembly abuts

useful for

a thin

situated

in this

is formed.

a cathode

that is permeable

the gas-

and the gas

of

two

material

assembly

and

material

Publication date: 9 August

limiting

Inventor: R. Maes

is the cathode

electrode

between

of a catalyst

a sandwich-like

composed

adjacent

in

Patent number: WO 01157532

When

that

each

is located

are composed

An anode

pattern

Applicant: SpectRx

thiourea.

distributor,

supports.

such

or PEM,

that

Inventors: G. Faita, E Federico

The

as

in turn

membrane, layers

Patent number: WO 01157290

analyte

agent

which

and the gas diffusion

electrolysis.

of

with a high molar

pressure

the cell is particularly

of

concentrated

chaotropic

oxygen,

chloralkali

fluids

This

the current

on rigid electrode

contains

Detection of whole microorganisms on retaining membranes

element

against

diffusion

2001

at a lower level than that

pushes the membrane,

case lying

of

the gas diffusion

compartment.

differential

PD. Unger

lies on

the pressure

(containing

from the other.

Publication date: 2 August

The distributor

In this case the other electrode

of their essentially

order

to

form

a

helical tubular

strand.

0