Editorials:

Kenneth B. Margulies

MicroRNAs as Novel Myocardial Biomarkers
Clin Chem 2009 55: 1897-1899. Published online August 20, 2009; 10.1373/clinchem.2009.131649 [Extract] [Full Text] [PDF]  

Q&A:

Ann M. Gronowski

Clinical Assays for Human Chorionic Gonadotropin:: What Should We Measure and How?
Clin Chem 2009 55: 1900-1904. Published online October 1, 2009; 10.1373/clinchem.2009.133595 [Extract] [Full Text] [PDF]  

Clinical Case Study:

Joost van der Hoek, Ewout J. Hoorn, Gijs M.T. de Jong, Emile N.W. Janssens, and Wouter W. de Herder

Severe Hyponatremia with High Urine Sodium and Osmolality
Clin Chem 2009 55: 1905-1908. [Extract] [Full Text] [PDF]  

Commentaries:

Glen L. Hortin, Neil S. Harris, and William E. Winter

Commentary
Clin Chem 2009 55: 1908-1909. [Extract] [Full Text] [PDF]  

Robert Richardson

Commentary
Clin Chem 2009 55: 1909. [Extract] [Full Text] [PDF]  

Reviews:

Wendy M. Bosker and Marilyn A. Huestis

Oral Fluid Testing for Drugs of Abuse
Clin Chem 2009 55: 1910-1931. Published online September 10, 2009; 10.1373/clinchem.2008.108670 [Abstract] [Full Text] [PDF]  

Nevio Taglieri, Wolfgang Koenig, and Juan Carlos Kaski

Cystatin C and Cardiovascular Risk
Clin Chem 2009 55: 1932-1943. Published online August 27, 2009; 10.1373/clinchem.2009.128397 [Abstract] [Full Text] [PDF]  

Molecular Diagnostics and Genetics:

Xu Ji, Rie Takahashi, Yumiko Hiura, Go Hirokawa, Yasue Fukushima, and Naoharu Iwai

Plasma miR-208 as a Biomarker of Myocardial Injury
Clin Chem 2009 55: 1944-1949. Published online August 20, 2009; 10.1373/clinchem.2009.125310 [Abstract] [Full Text] [PDF] Supplemental Data  

Shiva Yazdanyar, Maren Weischer, and Børge G. Nordestgaard

Genotyping for NOD2 Genetic Variants and Crohn Disease: a Metaanalysis
Clin Chem 2009 55: 1950-1957. Published online August 27, 2009; 10.1373/clinchem.2009.127126 [Abstract] [Full Text] [PDF] Supplemental Data  

Vanessa García Moreira, Belen Prieto García, Jose M. Baltar Martín, Francisco Ortega Suárez, and Francisco V. Alvarez

Cell-Free DNA as a Noninvasive Acute Rejection Marker in Renal Transplantation
Clin Chem 2009 55: 1958-1966. Published online September 3, 2009; 10.1373/clinchem.2009.129072 [Abstract] [Full Text] [PDF] Supplemental Data  

Shiyun Huang, Honggang Li, Xiaofang Ding, and Chengliang Xiong

Presence and Characterization of Cell-Free Seminal RNA in Healthy Individuals: Implications for Noninvasive Disease Diagnosis and Gene Expression Studies of the Male Reproductive System
Clin Chem 2009 55: 1967-1976. Published online September 10, 2009; 10.1373/clinchem.2009.131128 [Abstract] [Full Text] [PDF] Supplemental Data  

Omar F. Laterza, Lee Lim, Philip W. Garrett-Engele, Katerina Vlasakova, Nagaraja Muniappa, Wesley K. Tanaka, Jason M. Johnson, Joseph F. Sina, Thomas L. Fare, Frank D. Sistare, and Warren E. Glaab

Plasma MicroRNAs as Sensitive and Specific Biomarkers of Tissue Injury
Clin Chem 2009 55: 1977-1983. Published online September 10, 2009; 10.1373/clinchem.2009.131797 [Abstract] [Full Text] [PDF]  

Proteomics and Protein Markers:

Caroline Pritchard, Milena Quaglia, Chris Mussell, William I. Burkitt, Helen Parkes, and Gavin O'Connor

Fully Traceable Absolute Protein Quantification of Somatropin That Allows Independent Comparison of Somatropin Standards
Clin Chem 2009 55: 1984-1990. Published online September 3, 2009; 10.1373/clinchem.2009.124354 [Abstract] [Full Text] [PDF] Supplemental Data  

Jesse C. Seegmiller, Denis Sviridov, Timothy S. Larson, Timothy M. Borland, Glen L. Hortin, and John C. Lieske

Comparison of Urinary Albumin Quantification by Immunoturbidimetry, Competitive Immunoassay, and Protein-Cleavage Liquid Chromatography–Tandem Mass Spectrometry
Clin Chem 2009 55: 1991-1994. Published online September 10, 2009; 10.1373/clinchem.2009.129833 [Abstract] [Full Text] [PDF]  

Automation and Analytical Techniques:

Stephan Schwers, Elke Reifenberger, Mathias Gehrmann, Alexandre Izmailov, and Kerstin Bohmann

A High-Sensitivity, Medium-Density, and Target Amplification–Free Planar Waveguide Microarray System for Gene Expression Analysis of Formalin-Fixed and Paraffin-Embedded Tissue
Clin Chem 2009 55: 1995-2003. Published online September 10, 2009; 10.1373/clinchem.2009.128215 [Abstract] [Full Text] [PDF] Supplemental Data  

Drug Monitoring and Toxicology:

Nora Badawi, Kirsten Wiese Simonsen, Anni Steentoft, Inger Marie Bernhoft, and Kristian Linnet

Simultaneous Screening and Quantification of 29 Drugs of Abuse in Oral Fluid by Solid-Phase Extraction and Ultraperformance LC-MS/MS
Clin Chem 2009 55: 2004-2018. Published online October 1, 2009; 10.1373/clinchem.2008.122341 [Abstract] [Full Text] [PDF] Supplemental Data  

Endocrinology and Metabolism:

H. Alec Ross, Martin den Heijer, Ad R.M.M. Hermus, and Fred C.G.J. Sweep

Composite Reference Interval for Thyroid-Stimulating Hormone and Free Thyroxine, Comparison with Common Cutoff Values, and Reconsideration of Subclinical Thyroid Disease
Clin Chem 2009 55: 2019-2025. Published online August 27, 2009; 10.1373/clinchem.2009.124560 [Abstract] [Full Text] [PDF]  

Weili Zhang, Kai Sun, Ying Yang, Hongye Zhang, Frank B. Hu, and Rutai Hui

Plasma Uric Acid and Hypertension in a Chinese Community: Prospective Study and Metaanalysis
Clin Chem 2009 55: 2026-2034. Published online September 3, 2009; 10.1373/clinchem.2009.124891 [Abstract] [Full Text] [PDF] Supplemental Data  

Tim J. McDonald, Bridget A. Knight, Beverley M. Shields, Pamela Bowman, Maurice B. Salzmann, and Andrew T. Hattersley

Stability and Reproducibility of a Single-Sample Urinary C-Peptide/Creatinine Ratio and Its Correlation with 24-h Urinary C-Peptide
Clin Chem 2009 55: 2035-2039. Published online August 27, 2009; 10.1373/clinchem.2009.129312 [Abstract] [Full Text] [PDF] Supplemental Data  

Yen-Hsing Chen, Timothy G. Yandle, A. Mark Richards, and Suetonia C. Palmer

Urotensin II Immunoreactivity in the Human Circulation: Evidence for Widespread Tissue Release
Clin Chem 2009 55: 2040-2048. Published online October 1, 2009; 10.1373/clinchem.2009.131748 [Abstract] [Full Text] [PDF]  

Brief Communication:

Dick C. Chan, Gilles Lambert, P. Hugh R. Barrett, Kerry-Anne Rye, Esther M.M. Ooi, and Gerald F. Watts

Plasma Proprotein Convertase Subtilisin/Kexin Type 9: A Marker of LDL Apolipoprotein B-100 Catabolism?
Clin Chem 2009 55: 2049-2052. Published online August 27, 2009; 10.1373/clinchem.2009.128645 [Abstract] [Full Text] [PDF] Supplemental Data  

Citation Classic:

Max Harry Weil and Wanchun Tang

Forty-Five-Year Evolution of Stat Blood and Plasma Lactate Measurement to Guide Critical Care
Clin Chem 2009 55: 2053-2054. Published online August 27, 2009; 10.1373/clinchem.2009.133553 [Extract] [Full Text] [PDF]  

Letters to the Editor:

Lili Wang, David M. Bunk, Hua-Jun He, and Kenneth D. Cole

Removal of Inhibitory Effects in a Serum Cardiac Troponin I Immunoassay
Clin Chem 2009 55: 2055-2056. Published online August 20, 2009; 10.1373/clinchem.2009.126011 [Extract] [Full Text] [PDF]  

Alan H.B. Wu, Erin Shea, Quynhanh Thuc Lu, Jennifer Minyard, Khanh Bui, Jenny C.Y. Hsu, Sara Jane Agee, and John Todd

Short- and Long-Term Cardiac Troponin I Analyte Stability in Plasma and Serum from Healthy Volunteers by Use of an Ultrasensitive, Single-Molecule Counting Assay
Clin Chem 2009 55: 2057-2059. Published online September 3, 2009; 10.1373/clinchem.2009.128611 [Extract] [Full Text] [PDF]  

Rebecca L. Margraf, Fernanda R.O. Calderon, Rong Mao, and Carl T. Wittwer

RET Mutation Scanning Update: Exon 15
Clin Chem 2009 55: 2059-2061. Published online September 10, 2009; 10.1373/clinchem.2009.132209 [Extract] [Full Text] [PDF]  

Ernst J. Schaefer

Limitations of Automated Remnant Lipoprotein Cholesterol Assay for Diagnostic Use
Clin Chem 2009 55: 2061-2062. Published online September 17, 2009; 10.1373/clinchem.2009.133934 [Extract] [Full Text] [PDF]  

Masato Ishigami

In Reply
Clin Chem 2009 55: 2062-2063. Published online September 17, 2009; 10.1373/clinchem.2009.134320 [Extract] [Full Text] [PDF]  

Book, Software, and Website Reviews:

Jim DeLeo, Alan T. Remaley, G. William Moore, Gerald L. McLaughlin, Ellen J. Bicknell, and Melanie Swan

Clinical Chemistry’s NIH Book Club Corner, NIH Biomedical Computing Interest Group Book Club Review of How Doctors Think by Jerome Groopman. Jim DeLeo, Alan T. Remaley, G. William Moore, Gerald L. McLaughlin, Ellen J. Bicknell, and Melanie Swan.
Clin Chem 2009 55: 2064-2065. [Extract] [Full Text] [PDF]  

Clinical Chemist:

Lily Robinson and an Assassin’s Tracks
Clin Chem 2009 55: 2066-2067. [Extract] [Full Text] [PDF]  

Hoi-Ying Elsie Yu and Mark Kellogg

What Is Your Guess? Hyperkalemia or Hypokalemia?
Clin Chem 2009 55: 2068. [Extract] [Full Text] [PDF]  

Thomas Annesley

Unveiling the Right Side: Seashells from the Collection of Thomas Annesley
Clin Chem 2009 55: 2069. [Extract] [Full Text] [PDF]  

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