DE2150174C3 - Vorrichtung und Verfahren zur Anzeige eines chromatographischen Höckers - Google Patents
Vorrichtung und Verfahren zur Anzeige eines chromatographischen HöckersInfo
- Publication number
- DE2150174C3 DE2150174C3 DE2150174A DE2150174A DE2150174C3 DE 2150174 C3 DE2150174 C3 DE 2150174C3 DE 2150174 A DE2150174 A DE 2150174A DE 2150174 A DE2150174 A DE 2150174A DE 2150174 C3 DE2150174 C3 DE 2150174C3
- Authority
- DE
- Germany
- Prior art keywords
- slope
- time
- value
- negative
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims description 12
- 238000001514 detection method Methods 0.000 claims description 27
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 240000007313 Tilia cordata Species 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 230000007704 transition Effects 0.000 description 15
- 230000003111 delayed effect Effects 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000036962 time dependent Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 231100000567 intoxicating Toxicity 0.000 description 1
- 230000002673 intoxicating effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/12—Measuring rate of change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8624—Detection of slopes or peaks; baseline correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/86—Signal analysis
- G01N30/8624—Detection of slopes or peaks; baseline correction
- G01N30/8627—Slopes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nonlinear Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Current Or Voltage (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9024770A | 1970-11-17 | 1970-11-17 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2150174A1 DE2150174A1 (de) | 1972-07-13 |
| DE2150174B2 DE2150174B2 (de) | 1978-06-08 |
| DE2150174C3 true DE2150174C3 (de) | 1979-02-08 |
Family
ID=22221955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2150174A Expired DE2150174C3 (de) | 1970-11-17 | 1971-10-07 | Vorrichtung und Verfahren zur Anzeige eines chromatographischen Höckers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3746982A (OSRAM) |
| DE (1) | DE2150174C3 (OSRAM) |
| FR (1) | FR2113826B1 (OSRAM) |
| GB (1) | GB1343362A (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4041404A (en) * | 1976-06-01 | 1977-08-09 | Leeds & Northrup Company | Apparatus and method for detecting when a measured variable represented by a string of digital pulses reaches a plateau |
| US4158809A (en) * | 1977-02-28 | 1979-06-19 | Beckman Instruments, Inc. | Signal measuring and display control method and apparatus |
| US4524420A (en) * | 1982-08-25 | 1985-06-18 | Core Laboratories, Inc. | Signal processing apparatus |
| US5272725A (en) * | 1991-02-25 | 1993-12-21 | Alliedsignal Inc. | Digital video quantizer |
| US5801968A (en) * | 1996-04-23 | 1998-09-01 | Deltatrak, Inc. | Parameter end point measuring device |
| WO2002021099A2 (en) * | 2000-09-08 | 2002-03-14 | Waters Investments Limited | Method and apparatus for determining the boundaries of a detector response profile and for controlling processes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3095541A (en) * | 1959-09-22 | 1963-06-25 | North American Aviation Inc | Detector having desired waveform detected within specified amplitude range and as function of time |
| US3293451A (en) * | 1963-09-30 | 1966-12-20 | Gen Electric | Peak detector |
| US3412241A (en) * | 1964-12-14 | 1968-11-19 | Infotronics Corp | Analog-digital integrator and recorder for analysis |
| US3315168A (en) * | 1965-09-30 | 1967-04-18 | Michael J Cantella | Pulse discriminator employing delaylines and threshold-circuit for selecting pulses of certain widths and amplitudes |
-
1970
- 1970-11-17 US US00090247A patent/US3746982A/en not_active Expired - Lifetime
-
1971
- 1971-07-16 FR FR7126072A patent/FR2113826B1/fr not_active Expired
- 1971-09-15 GB GB4306271A patent/GB1343362A/en not_active Expired
- 1971-10-07 DE DE2150174A patent/DE2150174C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2150174B2 (de) | 1978-06-08 |
| GB1343362A (en) | 1974-01-10 |
| FR2113826B1 (OSRAM) | 1974-09-27 |
| DE2150174A1 (de) | 1972-07-13 |
| FR2113826A1 (OSRAM) | 1972-06-30 |
| US3746982A (en) | 1973-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |