Explore: Polymerase Kettingreactie
Discover books, insights, and more — all in one place.
Learn more about Polymerase Kettingreactie with top reads curated from trusted sources — all in one place.
AI-Generated Overview About “polymerase-kettingreactie”:
Books Results
Source: The Open Library
The Open Library Search Results
Search results from The Open Library
1PCR 2
By M. J. McPherson and B. D. Hames

“PCR 2” Metadata:
- Title: PCR 2
- Authors: M. J. McPhersonB. D. Hames
- Language: English
- Number of Pages: Median: 358
- Publisher: ➤ Oxford University Press, USA - IRL Press - IRL Press at Oxford University Press
- Publish Date: 1995
- Publish Location: Oxford - New York
“PCR 2” Subjects and Themes:
- Subjects: ➤ Génétique moléculaire - Réplication - Polymerase kettingreactie - Technique - Analysis - Polymerase chain reaction - ARN polymérases - Genetica - ADN - Bioquimica - ADN polymérases - Méthodes - Methods - Nucleic Acids - Amplification génique - DNA Replication - Réplication de l'ADN - Chemical synthesis - Réaction de polymérisation en chaîne - Polymerase Chain Reaction - Réaction en chaîne de la polymérase - Laboratory manuals - Molecular biology
Edition Identifiers:
- The Open Library ID: OL7405955M - OL7405954M - OL586014M
- Library of Congress Control Number (LCCN): 96176054
- All ISBNs: 9780199634248 - 0199634246 - 9780199634255 - 0199634254
Access and General Info:
- First Year Published: 1995
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Borrowable
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
- Borrowing from Open Library: Borrowing link
- Borrowing from Archive.org: Borrowing link
Online Marketplaces
Find PCR 2 at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
2PCR in situ hybridization
By Gerard J. Nuovo

“PCR in situ hybridization” Metadata:
- Title: PCR in situ hybridization
- Author: Gerard J. Nuovo
- Language: English
- Number of Pages: Median: 449
- Publisher: ➤ Lippincott-Raven Publishers - Raven Press
- Publish Date: 1992 - 1994 - 1997
- Publish Location: Philadelphia - New York
“PCR in situ hybridization” Subjects and Themes:
- Subjects: ➤ Cytodiagnosis - Diagnosis - HIV infections - HIV-1 - Hybridization - In situ hybridization - Papillomavirus - Papillomavirus Infections - Polymerase chain reaction - Tumor Virus Infections - Infections à HIV - Infections à papillomavirus - Situ Hybridization - Polymerase kettingreactie - Papillomavirus diseases - Cytodiagnostic - Hybridation génétique - Papillomaviridae - Réaction polymérisation en chaîne - Hybridisering - Infections à virus oncogènes - Cytodiagnostiek - Diagnostic - Citopatologia - Infections à VIH - VIH-1 - Hybridation in situ - Réaction en chaîne de la polymérase - Genetic Hybridization
Edition Identifiers:
- The Open Library ID: OL987336M - OL1714724M - OL1080667M
- Online Computer Library Center (OCLC) ID: 29876965 - 25873880
- Library of Congress Control Number (LCCN): 92017007 - 96025449 - 94004167
- All ISBNs: ➤ 9780881679403 - 078170183X - 0881679402 - 9780397587490 - 9780781701839 - 039758749X
Access and General Info:
- First Year Published: 1992
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Borrowable
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
- Borrowing from Open Library: Borrowing link
- Borrowing from Archive.org: Borrowing link
Online Marketplaces
Find PCR in situ hybridization at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
3PCR

“PCR” Metadata:
- Title: PCR
- Language: English
- Number of Pages: Median: 271
- Publisher: ➤ Springer - Springer-Verlag Telos - Springer-Verlag
- Publish Date: 1992
- Publish Location: New York - Berlin
“PCR” Subjects and Themes:
- Subjects: ➤ Polymerase chain reaction - Réaction de polymérisation en chaîne - Methods - Polymerase kettingreactie - Réaction en chaîne de la polymérase
Edition Identifiers:
- The Open Library ID: OL9060842M - OL7447069M - OL1742537M
- Online Computer Library Center (OCLC) ID: 26636611
- Library of Congress Control Number (LCCN): 92049560
- All ISBNs: 9780387554402 - 9783540554400 - 3540554408 - 0387554408
Access and General Info:
- First Year Published: 1992
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Borrowable
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
- Borrowing from Open Library: Borrowing link
- Borrowing from Archive.org: Borrowing link
Online Marketplaces
Find PCR at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
4Pcr Protocols for Emerging Infectious Diseases A Supplement to Diagnostic Molecular Microbiology
By David H. Persing

“Pcr Protocols for Emerging Infectious Diseases A Supplement to Diagnostic Molecular Microbiology” Metadata:
- Title: ➤ Pcr Protocols for Emerging Infectious Diseases A Supplement to Diagnostic Molecular Microbiology
- Author: David H. Persing
- Language: English
- Number of Pages: Median: 180
- Publisher: ASM Press
- Publish Date: 1996
- Publish Location: Washington, D.C
“Pcr Protocols for Emerging Infectious Diseases A Supplement to Diagnostic Molecular Microbiology” Subjects and Themes:
- Subjects: ➤ Infectieziekten - Nucleic acid hybridization - Genetics - Diagnosis - Polymerase kettingreactie - Microbial Drug Resistance - Microbiology - Hybridation - Microbiologie clinique - Acides nucléiques - Emerging infectious diseases - Utilisation diagnostique - Diagnostic use - Diagnostic microbiology - Methods - Sondes ADN - DNA probes - Polymerase Chain Reaction - Réaction en chaîne de la polymérase - Bacterial Typing Techniques - Laboratory manuals - Manuels de laboratoire - Communicable Diseases - Nurturing behavior - Ceremonial exchange
Edition Identifiers:
- The Open Library ID: OL968154M - OL8575026M
- Online Computer Library Center (OCLC) ID: 30707360
- Library of Congress Control Number (LCCN): 96004637
- All ISBNs: 1555811086 - 9781555811082
Access and General Info:
- First Year Published: 1996
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Borrowable
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
- Borrowing from Open Library: Borrowing link
- Borrowing from Archive.org: Borrowing link
Online Marketplaces
Find Pcr Protocols for Emerging Infectious Diseases A Supplement to Diagnostic Molecular Microbiology at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
5Molecular diagnosis of cancer

“Molecular diagnosis of cancer” Metadata:
- Title: Molecular diagnosis of cancer
- Language: English
- Number of Pages: Median: 218
- Publisher: Humana Press
- Publish Date: 1996
- Publish Location: Totowa, N.J
“Molecular diagnosis of cancer” Subjects and Themes:
- Subjects: ➤ Genetic Techniques - DNA - Molecular diagnosis - Cancer - Neoplasms - Analysis - Diagnosis - Polymerase Chain Reaction - Tumeurs - Genetics - Polymerase kettingreactie - Reaction de polymerisation en chaine - Diagnostiek - Genetique - Wetenschappelijke technieken - Krebs - ADN - Diagnostic - Diagnostic moleculaire - Tumoren - Methods - Techniques genetiques - Diagnostik - Molekulargenetik - Analyse - Genanalyse - Aufsatzsammlung
Edition Identifiers:
- The Open Library ID: OL983109M
- Online Computer Library Center (OCLC) ID: 34878746
- Library of Congress Control Number (LCCN): 96020789
- All ISBNs: 0896033414 - 9780896033412
Access and General Info:
- First Year Published: 1996
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Borrowable
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
- Borrowing from Open Library: Borrowing link
- Borrowing from Archive.org: Borrowing link
Online Marketplaces
Find Molecular diagnosis of cancer at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
6Applications of Molecular Biology in Environmental Chemistry
By Roger A. Minear

“Applications of Molecular Biology in Environmental Chemistry” Metadata:
- Title: ➤ Applications of Molecular Biology in Environmental Chemistry
- Author: Roger A. Minear
- Language: English
- Number of Pages: Median: 242
- Publisher: CRC, Lewis Publishers
- Publish Date: 1995
- Publish Location: Boca Raton
“Applications of Molecular Biology in Environmental Chemistry” Subjects and Themes:
- Subjects: ➤ Surveillance biologique - Monitoring - Genetic toxicology - Molecular Biology - Hygiène du milieu - Periodicals - Mutagene stoffen - Analysis - Ethnology - Toxicologie moléculaire - Environmental Monitoring - Enzymen - Chimie de l'environnement - Environmental Pollutants - Molecular toxicology - Milieuchemie - Environmental chemistry - Biological monitoring - Polymerase kettingreactie - Toxicologie génétique - Environmental health - Genetics - Toxicology - Chromosome Aberrations - Chemically induced - Mutation - Carcinogens - Toxicity - Mutagens - Adverse effects
Edition Identifiers:
- The Open Library ID: OL1112241M
- Online Computer Library Center (OCLC) ID: 31240750
- Library of Congress Control Number (LCCN): 94038089
- All ISBNs: 9780873719513 - 0873719514
Access and General Info:
- First Year Published: 1995
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Borrowable
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
- Borrowing from Open Library: Borrowing link
- Borrowing from Archive.org: Borrowing link
Online Marketplaces
Find Applications of Molecular Biology in Environmental Chemistry at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
7PCR
By C. R. Newton and A. Graham

“PCR” Metadata:
- Title: PCR
- Authors: C. R. NewtonA. Graham
- Language: English
- Number of Pages: Median: 184
- Publisher: ➤ BIOS Scientific Publishers - Coronet Books - Springer - Wiley & Sons, Incorporated, John - BIOS Scientific in association with the Biochemical Society
- Publish Date: 1994 - 1997 - 2009
- Publish Location: ➤ Oxford, OX, UK - New York - Oxford
“PCR” Subjects and Themes:
- Subjects: ➤ Polymerase chain reaction - Methodology - DNA - Synthesis - Biochemistry - Biotechnology - Cellular biology - Biological Research - Science - Science/Mathematics - Life Sciences - Cytology - Cell biology - Biotechnologie - ADN polymerases - Polymerase kettingreactie - Polymerase-Kettenreaktion - Methods - Analysis - Molecular biology
Edition Identifiers:
- The Open Library ID: OL28996744M - OL9540231M - OL16793890M - OL661479M
- Online Computer Library Center (OCLC) ID: 30030710 - 36458142 - 501485755
- Library of Congress Control Number (LCCN): gb94009295 - 94009295 - 97006925
- All ISBNs: ➤ 9781872748825 - 9780470491980 - 1872748821 - 0387915060 - 9780387915067 - 0470491981
Access and General Info:
- First Year Published: 1994
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Printdisabled
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
Online Marketplaces
Find PCR at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
8PCR protocols
By Thomas J. White

“PCR protocols” Metadata:
- Title: PCR protocols
- Author: Thomas J. White
- Language: English
- Number of Pages: Median: 482
- Publisher: ➤ Academic Press - Elsevier Science & Technology Books
- Publish Date: 1989 - 1990 - 2012
- Publish Location: San Diego
“PCR protocols” Subjects and Themes:
- Subjects: ➤ Polymerase-Kettenreaktion - RNA-polymerasen - Genetic engineering - RNA Polymerases - Ingénierie - Polymerasen - Redondance génique - Amplification génétique - Méthodes - 35.75 proteins, nucleic acids - Réaction de polymérisation en chaîne - ADN polymérases - Gene amplification - Polymerase Chain Reaction - Réaction en chaîne de la polymérase - Polimeráz láncreakció - Gentechnologie - DNA - Polymerase kettingreactie - Molekuláris biológia - DNA Polymerase - Génie génétique - ARN polymérases - Nucleic Acid Amplification Techniques - RNA Polymerase - Génétique - Methods - Amplification génique - Genamplifikation - Genetische manipulatie - DNA Polymerases - DNA-Directed DNA Polymerase - DNA-Directed RNA Polymerases - Laboratory Manuals
Edition Identifiers:
- The Open Library ID: ➤ OL33457502M - OL9282097M - OL7327449M - OL9282096M - OL7327448M - OL2188702M
- Online Computer Library Center (OCLC) ID: 19723112
- Library of Congress Control Number (LCCN): 89006938
- All ISBNs: ➤ 008088671X - 9780123721815 - 9780123721808 - 9780080886718 - 0123721806 - 0123721814
First Setence:
"While the standard conditions will amplify most target sequences, they are presented here principally to provide starting conditions for designing new PCR applications."
Author's Alternative Names:
"White, Thomas J. (biochemik)." and "White, Thomas J."Access and General Info:
- First Year Published: 1989
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Printdisabled
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
Online Marketplaces
Find PCR protocols at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
9Pcr Cloning Protocols
By Bruce A. White

“Pcr Cloning Protocols” Metadata:
- Title: Pcr Cloning Protocols
- Author: Bruce A. White
- Language: English
- Number of Pages: Median: 501
- Publisher: Humana Press
- Publish Date: 1997
“Pcr Cloning Protocols” Subjects and Themes:
- Subjects: ➤ Molecular cloning - Methods - Polymerase Chain Reaction - Laboratory manuals - Polymerase-Kettenreaktion - ADN polymerases - Technique - Mutagenese dirigee - Reaction en chaine de la polymerase - Wetenschappelijke technieken - Kloneren - Polymerase kettingreactie - Methode - Genetische manipulatie - Genklonierung - Clonage moleculaire - Amplification genique - Aufsatzsammlung - 35.75 proteins, nucleic acids
Edition Identifiers:
- The Open Library ID: OL8253571M - OL8253608M
- Online Computer Library Center (OCLC) ID: 187420921 - 35192222
- Library of Congress Control Number (LCCN): 96030876
- All ISBNs: 0896033430 - 9780896033436 - 9780896034839 - 0896034836
Access and General Info:
- First Year Published: 1997
- Is Full Text Available: No
- Is The Book Public: No
- Access Status: Unclassified
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
Online Marketplaces
Find Pcr Cloning Protocols at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
10PCR cloning protocols
By Bing-Yuan Chen and Harry W. Janes

“PCR cloning protocols” Metadata:
- Title: PCR cloning protocols
- Authors: Bing-Yuan ChenHarry W. Janes
- Language: English
- Number of Pages: Median: 439
- Publisher: Humana Press
- Publish Date: 2002
- Publish Location: Totowa, N.J
“PCR cloning protocols” Subjects and Themes:
- Subjects: ➤ Molecular cloning - Molecular Cloning - Polymerase Chain Reaction - Laboratory Manuals - Polymerase chain reaction - Laboratory manuals - Genetics & Genomics - Life Sciences - Kloneren - Clonage moléculaire - SCIENCE - Polymerase kettingreactie - Wetenschappelijke technieken - Genetische manipulatie - Réaction en chaîne de la polymérase - Manuels de laboratoire
Edition Identifiers:
- The Open Library ID: OL17041794M
- Online Computer Library Center (OCLC) ID: 47756248
- Library of Congress Control Number (LCCN): 2001039702
- All ISBNs: 0896039730 - 9780896039735 - 0896039691
Access and General Info:
- First Year Published: 2002
- Is Full Text Available: No
- Is The Book Public: No
- Access Status: Unclassified
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
Online Marketplaces
Find PCR cloning protocols at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
11PCR applications

“PCR applications” Metadata:
- Title: PCR applications
- Language: English
- Number of Pages: Median: 566
- Publisher: Academic Press
- Publish Date: 1999
“PCR applications” Subjects and Themes:
- Subjects: ➤ Polymerase chain reaction - Methods - Gene amplification - Genetic Engineering - Laboratory manuals - Genetics & Genomics - Genomics - Life Sciences - Polymerase kettingreactie - Amplification génique - SCIENCE - Réaction en chaîne de la polymérase - Genoom - Manuels de laboratoire - Pesticides - Genomes - Diagnostic use
Edition Identifiers:
- The Open Library ID: OL7327450M - OL9282098M
- Online Computer Library Center (OCLC) ID: 41339460
- Library of Congress Control Number (LCCN): 99211203
- All ISBNs: 0123721865 - 9780123721860
First Setence:
"Our chapter titled Optimization of PCR, which was published in PCR Protocols 8 years ago, ramains as valid today as it was then."
Access and General Info:
- First Year Published: 1999
- Is Full Text Available: No
- Is The Book Public: No
- Access Status: Unclassified
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
Online Marketplaces
Find PCR applications at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
12PCR strategies
By Michael A. Innis, David H. Gelfand and John J. Sninsky

“PCR strategies” Metadata:
- Title: PCR strategies
- Authors: Michael A. InnisDavid H. GelfandJohn J. Sninsky
- Language: English
- Number of Pages: Median: 373
- Publisher: ➤ Elsevier Science & Technology Books - Academic Press
- Publish Date: 1995
- Publish Location: San Diego
“PCR strategies” Subjects and Themes:
- Subjects: ➤ Polymerase chain reaction - Methodology - Réaction de polymérisation en chaîne - Méthodes - DNA-directed DNA polymerase - DNA-directed RNA polymerases - Acides nucléiques - Analyse - Polymerase kettingreactie - Wetenschappelijke technieken - Réaction en chaîne de la polymérase
Edition Identifiers:
- The Open Library ID: OL34579598M - OL1116415M
- Online Computer Library Center (OCLC) ID: 31412122
- Library of Congress Control Number (LCCN): 94042506
- All ISBNs: ➤ 9780123721822 - 0123721830 - 9780123721839 - 9780080538549 - 0123721822 - 0080538541
Access and General Info:
- First Year Published: 1995
- Is Full Text Available: No
- Is The Book Public: No
- Access Status: No_ebook
Online Marketplaces
Find PCR strategies at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
13Quantitative PCR protocols
By Udo Reischl

“Quantitative PCR protocols” Metadata:
- Title: Quantitative PCR protocols
- Author: Udo Reischl
- Language: English
- Number of Pages: Median: 304
- Publisher: Humana Press
- Publish Date: 1999
- Publish Location: Totowa, N.J
“Quantitative PCR protocols” Subjects and Themes:
- Subjects: ➤ Polymerase chain reaction - DNA - Methods - RNA - Laboratory manuals - Analysis - Investigative Techniques - Nucleic Acid Amplification Techniques - Nucleic Acids - Nucleic Acids, Nucleotides, and Nucleosides - Diagnostic and Therapeutic Techniques and Equipment Analytical - Genetic Techniques - Chemicals and Drugs - Réaction en chaîne de la polymérase - Manuels de laboratoire - SCIENCE - Life Sciences - Molecular Biology - Polymerase kettingreactie - Wetenschappelijke technieken - Biowissenschaften - Aufsatzsammlung - Polymerase-Kettenreaktion - Quantitative Analyse - Gen
Edition Identifiers:
- The Open Library ID: OL50669958M - OL30659M
- Online Computer Library Center (OCLC) ID: 45729422 - 40698398
- Library of Congress Control Number (LCCN): 99010332
- All ISBNs: 1592592627 - 9780896035188 - 9781592592623 - 0896035182
Access and General Info:
- First Year Published: 1999
- Is Full Text Available: No
- Is The Book Public: No
- Access Status: No_ebook
Online Marketplaces
Find Quantitative PCR protocols at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
14PCR in Bioanalysis
By Stephen J Meltzer

“PCR in Bioanalysis” Metadata:
- Title: PCR in Bioanalysis
- Author: Stephen J Meltzer
- Language: English
- Number of Pages: Median: 292
- Publisher: Humana Press
- Publish Date: 1998
“PCR in Bioanalysis” Subjects and Themes:
- Subjects: ➤ Methods - Molecular diagnosis - Polymerase kettingreactie - Electronic books - Polymerase chain reaction - Wetenschappelijke technieken - Microbiological Techniques - Polymerase Chain Reaction - Laboratory manuals - DNA fingerprinting
Edition Identifiers:
- The Open Library ID: OL8253611M
- All ISBNs: 9780896034976 - 0896034976
Access and General Info:
- First Year Published: 1998
- Is Full Text Available: No
- Is The Book Public: No
- Access Status: Unclassified
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
Online Marketplaces
Find PCR in Bioanalysis at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.
15Short protocols in molecular biology
By Frederick M. Ausubel

“Short protocols in molecular biology” Metadata:
- Title: ➤ Short protocols in molecular biology
- Author: Frederick M. Ausubel
- Language: English
- Number of Pages: Median: 900
- Publisher: John Wiley & Sons
- Publish Date: 1995
“Short protocols in molecular biology” Subjects and Themes:
- Subjects: ➤ Molecular biology - Technique - Laboratory manuals - Genanalyse - Polymerase kettingreactie - Methode - Molekularbiologie - Molekulargenetik - Biologia molecular e macromolecular - Methods
Edition Identifiers:
- The Open Library ID: OL10301612M
- Online Computer Library Center (OCLC) ID: 40063663
- All ISBNs: 0471137812 - 9780471137818
First Setence:
"Mastery of current DNA technology requires familiarity with a small number of basic concepts and techniques."
Access and General Info:
- First Year Published: 1995
- Is Full Text Available: Yes
- Is The Book Public: No
- Access Status: Printdisabled
Online Access
Downloads Are Not Available:
The book is not public therefore the download links will not allow the download of the entire book, however, borrowing the book online is available.
Online Borrowing:
Online Marketplaces
Find Short protocols in molecular biology at online marketplaces:
- Amazon: Audiable, Kindle and printed editions.
- Ebay: New & used books.