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BR9707315A - Detector de atividade óptica para uso com compostos opticamente ativos - Google Patents

Detector de atividade óptica para uso com compostos opticamente ativos

Info

Publication number
BR9707315A
BR9707315A BR9707315-6A BR9707315A BR9707315A BR 9707315 A BR9707315 A BR 9707315A BR 9707315 A BR9707315 A BR 9707315A BR 9707315 A BR9707315 A BR 9707315A
Authority
BR
Brazil
Prior art keywords
signal
polarizer
optical
optically active
signals
Prior art date
Application number
BR9707315-6A
Other languages
English (en)
Inventor
Gary W Yanik
Original Assignee
Gary W Yanik
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gary W Yanik filed Critical Gary W Yanik
Publication of BR9707315A publication Critical patent/BR9707315A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/05—Flow-through cuvettes

Landscapes

  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

"DETECTOR DE ATIVIDADE óPTICA PARA USO COM COMPOSTOS OPTICAMENTE ATIVOS". Um detector de rotação óptica melhorado para detectar compostos moleculares opticamente ativos em uma solução de amostra usando: um diodo a laser (12) com o feixe passando através de uma fibra ou lente óptica (14) para melhorar sua qualidade, um oscilador de referência na freq³ência f (18), um primeiro polarizador (16), uma célula de fluxo especialmente construída (20) para minimizar birrefringência mecânica e dispersão na janela óptica da célula, um segundo polarizador (80), e um esquema de detecção melhorado (84). O esquema de detecção inclui um primeiro e segundo fotodetector para sentir os primeiros e segundo sinais, onde o primeiro sinal é luz passada através do segundo polarizador e o segundo sinal é luz refletida fora do segundo polarizador. Um baixa passagem do circuito compensador filtra os sinais, inverte um sinal e soma-o com o outro, e depois filtros de entalhe retiram os componentes indesejados para produzir um sinal compensado. O sinal compensado depois aciona um amplificador de fechamento que é acionado pelo oscilador de referência para sentir o sinal de freq³ência f da amplitude modulada. Esse sinal compensado indica a atividade óptica da amostra, porém é imune a flutuações de potência do laser.
BR9707315-6A 1996-01-31 1997-01-27 Detector de atividade óptica para uso com compostos opticamente ativos BR9707315A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59452996A 1996-01-31 1996-01-31
PCT/US1997/001383 WO1997028435A1 (en) 1996-01-31 1997-01-27 Improved optical activity detector for use with optically active compounds

Publications (1)

Publication Number Publication Date
BR9707315A true BR9707315A (pt) 1999-12-28

Family

ID=24379264

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9707315-6A BR9707315A (pt) 1996-01-31 1997-01-27 Detector de atividade óptica para uso com compostos opticamente ativos

Country Status (12)

Country Link
US (1) US5822067A (pt)
EP (1) EP0880688B1 (pt)
JP (1) JP2000504116A (pt)
KR (1) KR100481201B1 (pt)
CN (1) CN1104640C (pt)
AT (1) ATE248365T1 (pt)
AU (1) AU716900B2 (pt)
BR (1) BR9707315A (pt)
DE (1) DE69724415T2 (pt)
DK (1) DK0880688T3 (pt)
IL (1) IL125392A (pt)
WO (1) WO1997028435A1 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19815932C2 (de) * 1998-04-09 2000-06-21 Glukomeditech Ag Verfahren zur Miniaturisierung eines Polarimeters zur Analyse niedrig konzentrierter Komponenten im flüssigen Meßgut auf optischer Basis sowie Vorrichtung zu seiner Durchführung
US6046807A (en) * 1998-05-14 2000-04-04 Luminex Corporation Diode laser based measurement apparatus
US6188813B1 (en) * 1999-02-10 2001-02-13 Waters Investments Limited Flow cell, analyte measurement apparatus and methods related thereto
US6678051B2 (en) 2001-01-18 2004-01-13 Systec, Inc. Flow cells utilizing photometric techniques
EP1436594A1 (en) * 2001-10-01 2004-07-14 Georgia Tech Research Corporation High-throughput chiral detector and methods for using same
GB0206011D0 (en) * 2002-03-14 2002-04-24 Farfield Sensors Ltd Polarimetery
US7079249B2 (en) * 2002-06-21 2006-07-18 Therma-Wave, Inc. Modulated reflectance measurement system with fiber laser technology
GB0214617D0 (en) * 2002-06-25 2002-08-07 Applied Photophysics Ltd Separation of chiral compounds
WO2004088286A1 (ja) * 2003-03-28 2004-10-14 Citizen Watch Co., Ltd. 旋光度測定装置
EP1676107A4 (en) 2003-10-10 2008-03-26 Stheno Corp OPTICAL DIFFERENTIAL TECHNOLOGY FOR CHIRAL ANALYSIS
EP1747625A1 (en) * 2004-05-04 2007-01-31 Stheno Corporation A double reference lock-in detector
US20060001509A1 (en) * 2004-06-30 2006-01-05 Gibbs Phillip R Systems and methods for automated resonant circuit tuning
US7405826B2 (en) * 2004-06-30 2008-07-29 Gibbs Phillip R Systems and methods for chiroptical heterodyning
US7298472B2 (en) * 2004-12-28 2007-11-20 Rheodyne, Llc Fluid analysis apparatus
US7259840B1 (en) 2004-12-28 2007-08-21 Systec, Llc Fluid analysis apparatus
WO2007002182A1 (en) * 2005-06-21 2007-01-04 Stheno Corporation Improved systems and methods for chiral detection and analysis
JP2007034149A (ja) * 2005-07-29 2007-02-08 Fujifilm Holdings Corp 回転検出方法及び装置、及び写真フイルムパトローネのフイルム係止検出方法及び装置
JP2009002861A (ja) * 2007-06-22 2009-01-08 Kansai Electric Power Co Inc:The 液体の検査装置
JP5783342B1 (ja) * 2014-03-20 2015-09-24 富士ゼロックス株式会社 光学活性物質の濃度算出システム、光学活性物質の濃度算出システムの製造方法及びプログラム
CN110596013B (zh) * 2019-09-19 2021-10-12 南京邮电大学 一种高旋光率材料旋光率检测装置
JP2023183253A (ja) * 2022-06-15 2023-12-27 新東工業株式会社 ガス測定器及びガス測定方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753479A (en) * 1953-04-08 1956-07-03 Du Pont Spark cell assembly
US3510226A (en) * 1969-02-17 1970-05-05 Cary Instruments Polarimeter with regulated photomultiplier tube
US4019372A (en) * 1974-05-16 1977-04-26 E. I. Dupont De Nemours And Company Chromatographic detector system
US4192614A (en) * 1975-02-06 1980-03-11 The Perkin-Elmer Corporation L/C detector cell assembly
DE2944113A1 (de) * 1979-10-31 1981-05-14 Arno Dipl.-Phys. Dr. 7900 Ulm Müller Verfahren und vorrichtung zur quantitativen absolutbestimmung optisch aktiver substanzen
US4498774A (en) * 1981-07-22 1985-02-12 Iowa State University Research Foundation, Inc. Micro-polarimeter for high performance liquid chromatography
GB8625530D0 (en) * 1986-10-24 1986-11-26 Goodall D M Optical apparatus
US5408322A (en) * 1993-04-26 1995-04-18 Materials Research Corporation Self aligning in-situ ellipsometer and method of using for process monitoring
US5477327A (en) * 1993-12-15 1995-12-19 Bergman Research Group, Inc. High resolution low noise optical polarimeter

Also Published As

Publication number Publication date
WO1997028435A1 (en) 1997-08-07
DK0880688T3 (da) 2003-12-22
US5822067A (en) 1998-10-13
EP0880688A1 (en) 1998-12-02
KR19990082130A (ko) 1999-11-15
KR100481201B1 (ko) 2005-08-31
ATE248365T1 (de) 2003-09-15
EP0880688B1 (en) 2003-08-27
CN1104640C (zh) 2003-04-02
IL125392A (en) 2000-10-31
DE69724415T2 (de) 2004-03-18
AU2113197A (en) 1997-08-22
CN1209873A (zh) 1999-03-03
JP2000504116A (ja) 2000-04-04
DE69724415D1 (de) 2003-10-02
AU716900B2 (en) 2000-03-09
IL125392A0 (en) 1999-03-12

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Legal Events

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FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2257 DE 08/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 14A, 15A, 16A, 17A, 18A, 19A E 20A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.