SlideShare a Scribd company logo
1 of 2
Download to read offline
original papers
NATURE | VOL 421 | 23 JANUARY 2003 | www.nature.com/nature 397© 2003 NaturePublishing Group
original papers
398 NATURE | VOL 421 | 23 JANUARY 2003 | www.nature.com/nature© 2003 NaturePublishing Group

More Related Content

Viewers also liked

Absorción y emisión atómica
Absorción y emisión atómicaAbsorción y emisión atómica
Absorción y emisión atómicaromypech
 
Acidos nucleicos
Acidos nucleicosAcidos nucleicos
Acidos nucleicoscallmeos1
 
Problemas adicionales de masa
Problemas adicionales de masaProblemas adicionales de masa
Problemas adicionales de masaromypech
 
Guia espectrometria de masa 2015
Guia espectrometria de masa 2015Guia espectrometria de masa 2015
Guia espectrometria de masa 2015romypech
 
Tablas de espectrometria de masa
Tablas de espectrometria de masaTablas de espectrometria de masa
Tablas de espectrometria de masaromypech
 
Espectrometria de masa
Espectrometria de masaEspectrometria de masa
Espectrometria de masaromypech
 
Hplc cg ec
Hplc cg ecHplc cg ec
Hplc cg ecromypech
 
Cuadro comparativo metodos ionizacion (masa i)
Cuadro comparativo metodos ionizacion (masa i)Cuadro comparativo metodos ionizacion (masa i)
Cuadro comparativo metodos ionizacion (masa i)romypech
 
Titulaciones potenciometricas problemas adicionales
Titulaciones potenciometricas problemas adicionalesTitulaciones potenciometricas problemas adicionales
Titulaciones potenciometricas problemas adicionalesromypech
 

Viewers also liked (20)

Eaa
EaaEaa
Eaa
 
Anexo aa
Anexo aaAnexo aa
Anexo aa
 
Aa
AaAa
Aa
 
Aa y ea
Aa y eaAa y ea
Aa y ea
 
Absorción y emisión atómica
Absorción y emisión atómicaAbsorción y emisión atómica
Absorción y emisión atómica
 
Acidos nucleicos
Acidos nucleicosAcidos nucleicos
Acidos nucleicos
 
Sintesis arn (1)
Sintesis arn (1)Sintesis arn (1)
Sintesis arn (1)
 
Sintesis de Proteinas
Sintesis de ProteinasSintesis de Proteinas
Sintesis de Proteinas
 
Masa I
Masa IMasa I
Masa I
 
Problemas adicionales de masa
Problemas adicionales de masaProblemas adicionales de masa
Problemas adicionales de masa
 
Guia espectrometria de masa 2015
Guia espectrometria de masa 2015Guia espectrometria de masa 2015
Guia espectrometria de masa 2015
 
Tablas de espectrometria de masa
Tablas de espectrometria de masaTablas de espectrometria de masa
Tablas de espectrometria de masa
 
Espectrometria de masa
Espectrometria de masaEspectrometria de masa
Espectrometria de masa
 
Masa 2
Masa 2Masa 2
Masa 2
 
Masa II
Masa IIMasa II
Masa II
 
Masa 1
Masa 1Masa 1
Masa 1
 
Hplc cg ec
Hplc cg ecHplc cg ec
Hplc cg ec
 
HPLC y GC
HPLC y GCHPLC y GC
HPLC y GC
 
Cuadro comparativo metodos ionizacion (masa i)
Cuadro comparativo metodos ionizacion (masa i)Cuadro comparativo metodos ionizacion (masa i)
Cuadro comparativo metodos ionizacion (masa i)
 
Titulaciones potenciometricas problemas adicionales
Titulaciones potenciometricas problemas adicionalesTitulaciones potenciometricas problemas adicionales
Titulaciones potenciometricas problemas adicionales
 

More from romypech

Carpeta teorica
Carpeta teoricaCarpeta teorica
Carpeta teoricaromypech
 
Tabla de derivadas e integrales
Tabla de derivadas e integralesTabla de derivadas e integrales
Tabla de derivadas e integralesromypech
 
Analisis funcional
Analisis funcionalAnalisis funcional
Analisis funcionalromypech
 
Terpenos y esteroides
Terpenos y esteroidesTerpenos y esteroides
Terpenos y esteroidesromypech
 
Apunte extra terpenoides y esteroides
Apunte extra terpenoides y esteroidesApunte extra terpenoides y esteroides
Apunte extra terpenoides y esteroidesromypech
 
Transparencias carbaniones
Transparencias carbanionesTransparencias carbaniones
Transparencias carbanionesromypech
 
EAA preguntas
EAA preguntasEAA preguntas
EAA preguntasromypech
 

More from romypech (10)

Carpeta teorica
Carpeta teoricaCarpeta teorica
Carpeta teorica
 
Tabla de derivadas e integrales
Tabla de derivadas e integralesTabla de derivadas e integrales
Tabla de derivadas e integrales
 
Analisis funcional
Analisis funcionalAnalisis funcional
Analisis funcional
 
Terpenos y esteroides
Terpenos y esteroidesTerpenos y esteroides
Terpenos y esteroides
 
Apunte extra terpenoides y esteroides
Apunte extra terpenoides y esteroidesApunte extra terpenoides y esteroides
Apunte extra terpenoides y esteroides
 
Transparencias carbaniones
Transparencias carbanionesTransparencias carbaniones
Transparencias carbaniones
 
Rtas ir
Rtas irRtas ir
Rtas ir
 
IR
IRIR
IR
 
Rtas EAA
Rtas EAARtas EAA
Rtas EAA
 
EAA preguntas
EAA preguntasEAA preguntas
EAA preguntas
 

Recently uploaded

Green chemistry and Sustainable development.pptx
Green chemistry  and Sustainable development.pptxGreen chemistry  and Sustainable development.pptx
Green chemistry and Sustainable development.pptxRajatChauhan518211
 
Pests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdfPests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdfPirithiRaju
 
Creating and Analyzing Definitive Screening Designs
Creating and Analyzing Definitive Screening DesignsCreating and Analyzing Definitive Screening Designs
Creating and Analyzing Definitive Screening DesignsNurulAfiqah307317
 
Botany krishna series 2nd semester Only Mcq type questions
Botany krishna series 2nd semester Only Mcq type questionsBotany krishna series 2nd semester Only Mcq type questions
Botany krishna series 2nd semester Only Mcq type questionsSumit Kumar yadav
 
Presentation Vikram Lander by Vedansh Gupta.pptx
Presentation Vikram Lander by Vedansh Gupta.pptxPresentation Vikram Lander by Vedansh Gupta.pptx
Presentation Vikram Lander by Vedansh Gupta.pptxgindu3009
 
Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...
Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...
Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...Sérgio Sacani
 
GBSN - Microbiology (Unit 2)
GBSN - Microbiology (Unit 2)GBSN - Microbiology (Unit 2)
GBSN - Microbiology (Unit 2)Areesha Ahmad
 
GBSN - Biochemistry (Unit 1)
GBSN - Biochemistry (Unit 1)GBSN - Biochemistry (Unit 1)
GBSN - Biochemistry (Unit 1)Areesha Ahmad
 
Recombinant DNA technology (Immunological screening)
Recombinant DNA technology (Immunological screening)Recombinant DNA technology (Immunological screening)
Recombinant DNA technology (Immunological screening)PraveenaKalaiselvan1
 
VIRUSES structure and classification ppt by Dr.Prince C P
VIRUSES structure and classification ppt by Dr.Prince C PVIRUSES structure and classification ppt by Dr.Prince C P
VIRUSES structure and classification ppt by Dr.Prince C PPRINCE C P
 
SAMASTIPUR CALL GIRL 7857803690 LOW PRICE ESCORT SERVICE
SAMASTIPUR CALL GIRL 7857803690  LOW PRICE  ESCORT SERVICESAMASTIPUR CALL GIRL 7857803690  LOW PRICE  ESCORT SERVICE
SAMASTIPUR CALL GIRL 7857803690 LOW PRICE ESCORT SERVICEayushi9330
 
Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43b
Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43bNightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43b
Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43bSérgio Sacani
 
Biopesticide (2).pptx .This slides helps to know the different types of biop...
Biopesticide (2).pptx  .This slides helps to know the different types of biop...Biopesticide (2).pptx  .This slides helps to know the different types of biop...
Biopesticide (2).pptx .This slides helps to know the different types of biop...RohitNehra6
 
Hire 💕 9907093804 Hooghly Call Girls Service Call Girls Agency
Hire 💕 9907093804 Hooghly Call Girls Service Call Girls AgencyHire 💕 9907093804 Hooghly Call Girls Service Call Girls Agency
Hire 💕 9907093804 Hooghly Call Girls Service Call Girls AgencySheetal Arora
 
PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...
PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...
PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...Sérgio Sacani
 
Animal Communication- Auditory and Visual.pptx
Animal Communication- Auditory and Visual.pptxAnimal Communication- Auditory and Visual.pptx
Animal Communication- Auditory and Visual.pptxUmerFayaz5
 
Isotopic evidence of long-lived volcanism on Io
Isotopic evidence of long-lived volcanism on IoIsotopic evidence of long-lived volcanism on Io
Isotopic evidence of long-lived volcanism on IoSérgio Sacani
 
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 bAsymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 bSérgio Sacani
 
❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.
❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.
❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.Nitya salvi
 
Nanoparticles synthesis and characterization​ ​
Nanoparticles synthesis and characterization​  ​Nanoparticles synthesis and characterization​  ​
Nanoparticles synthesis and characterization​ ​kaibalyasahoo82800
 

Recently uploaded (20)

Green chemistry and Sustainable development.pptx
Green chemistry  and Sustainable development.pptxGreen chemistry  and Sustainable development.pptx
Green chemistry and Sustainable development.pptx
 
Pests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdfPests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdf
 
Creating and Analyzing Definitive Screening Designs
Creating and Analyzing Definitive Screening DesignsCreating and Analyzing Definitive Screening Designs
Creating and Analyzing Definitive Screening Designs
 
Botany krishna series 2nd semester Only Mcq type questions
Botany krishna series 2nd semester Only Mcq type questionsBotany krishna series 2nd semester Only Mcq type questions
Botany krishna series 2nd semester Only Mcq type questions
 
Presentation Vikram Lander by Vedansh Gupta.pptx
Presentation Vikram Lander by Vedansh Gupta.pptxPresentation Vikram Lander by Vedansh Gupta.pptx
Presentation Vikram Lander by Vedansh Gupta.pptx
 
Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...
Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...
Discovery of an Accretion Streamer and a Slow Wide-angle Outflow around FUOri...
 
GBSN - Microbiology (Unit 2)
GBSN - Microbiology (Unit 2)GBSN - Microbiology (Unit 2)
GBSN - Microbiology (Unit 2)
 
GBSN - Biochemistry (Unit 1)
GBSN - Biochemistry (Unit 1)GBSN - Biochemistry (Unit 1)
GBSN - Biochemistry (Unit 1)
 
Recombinant DNA technology (Immunological screening)
Recombinant DNA technology (Immunological screening)Recombinant DNA technology (Immunological screening)
Recombinant DNA technology (Immunological screening)
 
VIRUSES structure and classification ppt by Dr.Prince C P
VIRUSES structure and classification ppt by Dr.Prince C PVIRUSES structure and classification ppt by Dr.Prince C P
VIRUSES structure and classification ppt by Dr.Prince C P
 
SAMASTIPUR CALL GIRL 7857803690 LOW PRICE ESCORT SERVICE
SAMASTIPUR CALL GIRL 7857803690  LOW PRICE  ESCORT SERVICESAMASTIPUR CALL GIRL 7857803690  LOW PRICE  ESCORT SERVICE
SAMASTIPUR CALL GIRL 7857803690 LOW PRICE ESCORT SERVICE
 
Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43b
Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43bNightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43b
Nightside clouds and disequilibrium chemistry on the hot Jupiter WASP-43b
 
Biopesticide (2).pptx .This slides helps to know the different types of biop...
Biopesticide (2).pptx  .This slides helps to know the different types of biop...Biopesticide (2).pptx  .This slides helps to know the different types of biop...
Biopesticide (2).pptx .This slides helps to know the different types of biop...
 
Hire 💕 9907093804 Hooghly Call Girls Service Call Girls Agency
Hire 💕 9907093804 Hooghly Call Girls Service Call Girls AgencyHire 💕 9907093804 Hooghly Call Girls Service Call Girls Agency
Hire 💕 9907093804 Hooghly Call Girls Service Call Girls Agency
 
PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...
PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...
PossibleEoarcheanRecordsoftheGeomagneticFieldPreservedintheIsuaSupracrustalBe...
 
Animal Communication- Auditory and Visual.pptx
Animal Communication- Auditory and Visual.pptxAnimal Communication- Auditory and Visual.pptx
Animal Communication- Auditory and Visual.pptx
 
Isotopic evidence of long-lived volcanism on Io
Isotopic evidence of long-lived volcanism on IoIsotopic evidence of long-lived volcanism on Io
Isotopic evidence of long-lived volcanism on Io
 
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 bAsymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
 
❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.
❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.
❤Jammu Kashmir Call Girls 8617697112 Personal Whatsapp Number 💦✅.
 
Nanoparticles synthesis and characterization​ ​
Nanoparticles synthesis and characterization​  ​Nanoparticles synthesis and characterization​  ​
Nanoparticles synthesis and characterization​ ​
 

Watsoncrick