M. Kushnir

发表

Changes in DHEA-s levels during the first year of treatment in patients with clinical burnout are related to health development

I. Jonsdottir, A. Lennartsson, T. Theorell, 2016, Biological Psychology.

Dissociation of individual isotopic peaks: predicting isotopic distributions of product ions in MSn

A. Rockwood, M. Kushnir, G. Nelson, 2003, Journal of the American Society for Mass Spectrometry.

High-sensitivity tandem mass spectrometry assay for serum estrone and estradiol.

J. Bergquist, A. Rockwood, M. Kushnir, 2008, American journal of clinical pathology.

Recommendations for the Generation, Quantification, Storage, and Handling of Peptides Used for Mass Spectrometry-Based Assays.

Jeffrey R. Whiteaker, Matthew R. Meyer, Stefani N. Thomas, 2016, Clinical chemistry.

Beta-Methylamino-L-Alanine Analysis by Liquid Chromatography Tandem Mass Spectrometry with iTRAQ as the Derivative

J. Bergquist, M. Kushnir, 2009, European journal of mass spectrometry.

A high sensitivity LC-MS/MS method for measurement of 3-methoxytyramine in plasma and associations between 3-methoxytyramine, metanephrines, and dopamine

M. Kushnir, E. L. Frank, Laura Smy, 2021, Journal of mass spectrometry and advances in the clinical lab.

Analysis of catecholamines in urine by positive-ion electrospray tandem mass spectrometry.

B. Shushan, M. Kushnir, W. Roberts, 2002, Clinical chemistry.

Perceived stress at work is associated with attenuated DHEA-S response during acute psychosocial stress

J. Bergquist, I. Jonsdottir, A. Lennartsson, 2013, Psychoneuroendocrinology.

Measurement of Pancreatic Polypeptide and its Peptide Variant in Human Serum and Plasma by Immunocapture-Liquid-Chromatography-Tandem Mass Spectrometry. Reference Intervals and Practical Assay Considerations.

A. Rockwood, M. Kushnir, Julie A Ray, 2014 .

Pharmacokinetics of a testosterone gel in healthy postmenopausal women.

A. Rockwood, S. Bhasin, M. Kushnir, 2006, The Journal of clinical endocrinology and metabolism.

Higher than expected estradiol levels in aromatase inhibitor-treated, postmenopausal breast cancer patients

J. Bergquist, M. Kushnir, I. Sundström Poromaa, 2012, Climacteric : the journal of the International Menopause Society.

Developmental low-dose exposure to bisphenol A induces chronic inflammation, bone marrow fibrosis and reduces bone stiffness in female rat offspring only.

H. Melhus, M. Kushnir, P. M. Lind, 2019, Environmental research.

Steroid profiles in ovarian follicular fluid from regularly menstruating women and women after ovarian stimulation.

J. Bergquist, A. Rockwood, M. Kushnir, 2009, Clinical chemistry.

Endogenous steroids measured by high-specificity liquid chromatography-tandem mass spectrometry and prevalent cardiovascular disease in 70-year-old men and women.

L. Lind, J. Bergquist, M. Kushnir, 2010, The Journal of clinical endocrinology and metabolism.

Is there an androgen level threshold for aneuploidy risk in infertile women?

M. Kushnir, D. Albertini, J. Grifo, 2015, Reproductive Biology and Endocrinology.

Relationship between Serum Testosterone and Fracture Risk in Men: A Comparison of RIA and LC-MS/MS.

J. Eisman, J. Center, Tuan V. Nguyen, 2015, Clinical chemistry.

Protein and steroid profiles in follicular fluid after ovarian hyperstimulation as potential biomarkers of IVF outcome.

J. Bergquist, D. Crockett, A. Rockwood, 2012, Journal of proteome research.

Rapid analysis of 25-hydroxyvitamin D(2) and D(3) by liquid chromatography-tandem mass spectrometry and association of vitamin D and parathyroid hormone concentrations in healthy adults.

Jodell E Whittington, A. Rockwood, M. Kushnir, 2010, American journal of clinical pathology.

State-ofthe-Art of Serum Testosterone Measurement by Isotope Dilution – Liquid Chromatography – Tandem Mass Spectrometry

B. Keevil, P. Sluss, A. Rockwood, 2012 .

Liquid chromatography tandem mass spectrometry for analysis of steroids in clinical laboratories.

J. Bergquist, A. Rockwood, M. Kushnir, 2011, Clinical biochemistry.

Endogenous sex hormones, aromatase activity and lung cancer risk in postmenopausal never‐smoking women

N. Rothman, X. Shu, W. Zheng, 2022, International journal of cancer.

Quantitation of nicotine, its metabolites, and other related alkaloids in urine, serum, and plasma using LC-MS-MS.

A. Rockwood, M. Kushnir, Bingfang Yue, 2010, Methods in molecular biology.

High-Throughput Analysis of Methylmalonic Acid in Serum, Plasma, and Urine by LC-MS/MS. Method for Analyzing Isomers Without Chromatographic Separation.

A. Rockwood, M. Kushnir, G. Nelson, 2016, Methods in molecular biology.

Cortisol and cortisone analysis in serum and plasma by atmospheric pressure photoionization tandem mass spectrometry.

A. Rockwood, M. Kushnir, W. Roberts, 2004, Clinical biochemistry.

Nitrite adulteration of workplace urine drug-testing specimens. I. Sources and associated concentrations of nitrite in urine and distinction between natural sources and adulteration.

D. Crockett, M. Kushnir, G. Nelson, 1998, Journal of analytical toxicology.

Correction: Low Levels of Dehydroepiandrosterone Sulfate in Younger Burnout Patients

I. Jonsdottir, A. Lennartsson, T. Theorell, 2015, PloS one.

Low Levels of Dehydroepiandrosterone Sulfate in Younger Burnout Patients

I. Jonsdottir, A. Lennartsson, T. Theorell, 2015, PloS one.

A depletion strategy for improved detection of human proteins from urine.

D. Crockett, A. Rockwood, M. Kushnir, 2009, Journal of biomolecular techniques : JBT.

LC-MS/MS in clinical laboratories.

J. Bergquist, A. Rockwood, M. Kushnir, 2013, Bioanalysis.

Liquid Chromatography Tandem Mass Spectrometry in Clinical Laboratories

A. Rockwood, M. Kushnir, 2012 .

LC–MS/MS Method for Measurement of Thiopurine Nucleotides (TN) in Erythrocytes and Association of TN Concentrations With TPMT Enzyme Activity

G. McMillin, K. Johnson-Davis, M. Kushnir, 2022, Frontiers in Pharmacology.

High Sensitivity Measurement of Pancreatic Polypeptide and Its Variant in Serum and Plasma by LC-MS/MS.

A. Rockwood, M. Kushnir, A. Meikle, 2016, Methods in molecular biology.

Direct Measurement of Free Estradiol in Human Serum and Plasma by Equilibrium Dialysis-Liquid Chromatography-Tandem Mass Spectrometry.

A. Rockwood, M. Kushnir, A. Meikle, 2016, Methods in molecular biology.

Direct measurement of free estradiol in human serum by equilibrium dialysis-liquid chromatography-tandem mass spectrometry and reference intervals of free estradiol in women.

A. Rockwood, M. Kushnir, A. Meikle, 2012, Clinica chimica acta; international journal of clinical chemistry.

Altered adrenal and gonadal steroids biosynthesis in patients with burn injury

J. Bergquist, A. Rockwood, G. Hedenstierna, 2016, Clinical mass spectrometry.

Effects of testosterone replacement in human immunodeficiency virus-infected women with weight loss.

R. Hays, A. Rockwood, L. Woodhouse, 2005, The Journal of clinical endocrinology and metabolism.

Endogenous sex hormones and incident fracture risk in older men: the Dubbo Osteoporosis Epidemiology Study.

J. Eisman, J. Center, Tuan V. Nguyen, 2008, Archives of internal medicine.

The impact of nandrolone decanoate and growth hormone on biosynthesis of steroids in rats

J. Bergquist, M. Kushnir, M. Hallberg, 2013, Steroids.

Comparison of 7 Published LC-MS/MS Methods for the Simultaneous Measurement of Testosterone, Androstenedione, and Dehydroepiandrosterone in Serum.

M. Blankenstein, A. Heijboer, M. Janssen, 2015, Clinical chemistry.

Low-dose exposure to Bisphenol A during development has limited effects on male reproduction in midpubertal and aging Fischer 344 rats.

A. Fakhrzadeh, J. Boberg, M. Kushnir, 2018, Reproductive toxicology.

Liquid chromatography-tandem mass spectrometry assay for androstenedione, dehydroepiandrosterone, and testosterone with pediatric and adult reference intervals.

A. Rockwood, M. Kushnir, A. Meikle, 2010, Clinical chemistry.

Analysis of cortisol, cortisone and dexamethasone in human serum using liquid chromatography tandem mass spectrometry and assessment of cortisol: cortisone ratios in patients with impaired kidney function.

A. Rockwood, M. Kushnir, A. Meikle, 2011, Clinica chimica acta; international journal of clinical chemistry.

Pseudo-Cushing syndrome caused by fenofibrate interference with urinary cortisol assayed by high-performance liquid chromatography.

A. Rockwood, M. Kushnir, A. Meikle, 2003, The Journal of clinical endocrinology and metabolism.

The plasma free fraction of 25-hydroxyvitamin D3 is not strongly associated with 25-hydroxyvitamin D3 clearance in kidney disease patients and controls

B. Kestenbaum, A. Hoofnagle, M. Kushnir, 2022, The Journal of Steroid Biochemistry and Molecular Biology.

Mass spectrometry methods measured androgen and estrogen concentrations during pregnancy and in newborns of mothers with polycystic ovary syndrome.

A. Rockwood, C. Lambalk, M. Kushnir, 2016, European journal of endocrinology.

Adrenal Steroid Concentrations in Children Seven to Seventeen Years of Age

A. Rockwood, M. Kushnir, A. Meikle, 2007, Journal of pediatric endocrinology & metabolism : JPEM.

Steroid profiles in ovarian follicular fluid in women with and without polycystic ovary syndrome, analyzed by liquid chromatography-tandem mass spectrometry.

J. Bergquist, A. Rockwood, M. Kushnir, 2010, Fertility and sterility.

Mid-pregnancy, perinatal, and neonatal reproductive endocrinology: a prospective cohort study in twins and singleton control subjects.

J. Twisk, A. Rockwood, J. Wit, 2015, Fertility and sterility.

Simultaneous measurement of testosterone, androstenedione and dehydroepiandrosterone (DHEA) in serum and plasma using Isotope-Dilution 2-Dimension Ultra High Performance Liquid-Chromatography Tandem Mass Spectrometry (ID-LC-MS/MS).

M. Blankenstein, A. Heijboer, M. Kushnir, 2015, Clinica chimica acta; international journal of clinical chemistry.

Simultaneous determination of codeine, morphine, hydrocodone, hydromorphone, oxycodone, and 6-acetylmorphine in urine, serum, plasma, whole blood, and meconium by LC-MS-MS.

G. McMillin, M. Kushnir, G. Nelson, 2007, Journal of analytical toxicology.

Development and Clinical Evaluation of a High-Throughput LC-MS/MS Assay for Vitamin B6 in Human Plasma and Serum.

M. Kushnir, E. L. Frank, Evelyn Yang, 2020, The journal of applied laboratory medicine.

Glycosylation Profiling of the Neoplastic Biomarker Alpha Fetoprotein through Intact Mass Protein Analysis

M. Kushnir, Carmen Dunbar, Yifei K Yang, 2022, Journal of proteome research.

LC-MS/MS Measurement of Parathyroid Hormone-Related Peptide.

Frederick G. Strathmann, A. Rockwood, M. Kushnir, 2016, Clinical chemistry.

Analysis of dicarboxylic acids by tandem mass spectrometry. High-throughput quantitative measurement of methylmalonic acid in serum, plasma, and urine.

B. Shushan, M. Kushnir, W. Roberts, 2001, Clinical chemistry.

Exploratory study of the association of steroid profiles in stimulated ovarian follicular fluid with outcomes of IVF treatment

J. Bergquist, M. Kushnir, T. Naessén, 2016, The Journal of Steroid Biochemistry and Molecular Biology.

Analysis of gabapentin in serum and plasma by solid-phase extraction and gas chromatography-mass spectrometry for therapeutic drug monitoring.

M. Kushnir, J. Crossett, F. M. Urry, 1999, Journal of analytical toxicology.

Perceived Stress at Work Is Associated with Lower Levels of DHEA-S

A. Rockwood, I. Jonsdottir, A. Lennartsson, 2013, PloS one.

Measurement of total vitamin B12 and holotranscobalamin, singly and in combination, in screening for metabolic vitamin B12 deficiency.

L. Allen, M. Haan, A. Rockwood, 2006, Clinical chemistry.

Use of a statistically designed experimental approach to optimize the propylketal derivatization of barbiturates.

M. Kushnir, F. M. Urry, 2001, Journal of chromatographic science.

Exploratory study of proteins in urine of patients with histoplasma antigenuria.

D. Crockett, A. Rockwood, M. Kushnir, 2012, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Optimization and performance of a rapid gas chromatography-mass spectrometry analysis for methylmalonic acid determination in serum and plasma.

M. Kushnir, G. Komaromy-Hiller, 2000, Journal of chromatography. B, Biomedical sciences and applications.

Enhancement of specificity of aldosterone measurement in human serum and plasma using 2D-LC-MS/MS and comparison with commercial immunoassays.

Alan L Rockwood, A. Rockwood, M. Kushnir, 2014, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Identification of Histoplasma-Specific Peptides in Human Urine

D. Crockett, A. Rockwood, M. Kushnir, 2012, International journal of peptides.

Liquid chromatography-tandem mass spectrometry (LC-MS/MS) for analysis of endogenous steroids in the luteal phase and early pregnancy in dogs: a pilot study.

Jonas Bergquist, J. Bergquist, M. Kushnir, 2015, Veterinary clinical pathology.

Domestication effects on behavioural and hormonal responses to acute stress in chickens

J. Bergquist, M. Kushnir, P. Jensen, 2014, Physiology & Behavior.

A rapid gas chromatographic method quantitating clozapine in human plasma or serum for the purpose of therapeutic monitoring.

M. Kushnir, J. Crossett, F. M. Urry, 1995, Journal of analytical toxicology.

An exploratory study Evaluating the impact of opioid and non-opioid pain medications on serum/plasma free testosterone and free estradiol concentrations.

Frederick G. Strathmann, M. Kushnir, A. Meikle, 2017, Drug testing and analysis.

Mass Spectrometric Applications for Diagnosing Metabolic and Endocrine Diseases

M. Kushnir, 2008 .

Performance enhancement in the measurement of 5 endogenous steroids by LC-MS/MS combined with differential ion mobility spectrometry.

Alan L Rockwood, Richard A Yost, A. Rockwood, 2015, Clinica chimica acta; international journal of clinical chemistry.

Parathyroid hormone related protein concentration in human serum and CSF correlates with age.

Lisa K. Peterson, Frederick G. Strathmann, M. Kushnir, 2017, Clinical biochemistry.

Liquid chromatography-tandem mass spectrometry applications in endocrinology.

J. Bergquist, A. Rockwood, M. Kushnir, 2009, Mass spectrometry reviews.

Serum acylcarnitines and vitamin B12 deficiency.

B. Shushan, M. Pasquali, M. Kushnir, 2002, Clinical chemistry.

Et Al. Cysteine Proteinases and Cystatin C in Bronchoalveolar Lavage Fluid from Subjects with Subclinical Emphysema

B. Shushan, M. Pasquali, M. Kushnir, 2002 .

Free thyroid hormones in serum by direct equilibrium dialysis and online solid-phase extraction--liquid chromatography/tandem mass spectrometry.

A. Rockwood, M. Kushnir, A. Meikle, 2008, Clinical chemistry.

Sex steroid levels temporarily increase in response to acute psychosocial stress in healthy men and women.

J. Bergquist, I. Jonsdottir, A. Lennartsson, 2012, International journal of psychophysiology : official journal of the International Organization of Psychophysiology.

Measurement of thyroglobulin by liquid chromatography-tandem mass spectrometry in serum and plasma in the presence of antithyroglobulin autoantibodies.

A. Hoofnagle, A. Rockwood, M. Kushnir, 2013, Clinical chemistry.

DHEA and DHEA-S response to acute psychosocial stress in healthy men and women

J. Bergquist, I. Jonsdottir, A. Lennartsson, 2012, Biological Psychology.

Development and performance evaluation of a tandem mass spectrometry assay for 4 adrenal steroids.

A. Rockwood, M. Kushnir, A. Meikle, 2006, Clinical chemistry.

Liquid chromatography-tandem mass spectrometry analysis of urinary free cortisol.

A. Rockwood, M. Kushnir, A. Meikle, 2003, Clinical chemistry.

Solid phase extraction procedure for urinary organic acid analysis by gas chromatography mass spectrometry.

M. Pasquali, M. Kushnir, W. Roberts, 2004, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Concentrations of nine endogenous steroid hormones in 70-year-old men and women

L. Lind, J. Penell, J. Bergquist, 2021, Endocrine connections.

Comparison of four derivatizing reagents for 6-acetylmorphine GC-MS analysis.

D. Crockett, M. Kushnir, G. Nelson, 1999, Journal of analytical toxicology.

Circulating Estrone Levels Are Associated Prospectively With Diabetes Risk in Men of the Framingham Heart Study

R. D'Agostino, T. Travison, R. Vasan, 2013, Diabetes Care.

Estrone and estradiol and T 2 DM risk in men

T. Travison, R. Vasan, A. Rockwood, 2013 .

Assessing analytical specificity in quantitative analysis using tandem mass spectrometry.

A. Rockwood, M. Kushnir, G. Nelson, 2005, Clinical biochemistry.

Patterns of endogenous steroids in apathetic refugee children are compatible with long-term stress

M. Kushnir, P. Sandstedt, Jonas Bergquist, 2012, BMC Research Notes.

Age trends in estradiol and estrone levels measured using liquid chromatography tandem mass spectrometry in community-dwelling men of the Framingham Heart Study.

J. Murabito, M. Pencina, R. D'Agostino, 2013, The journals of gerontology. Series A, Biological sciences and medical sciences.

Improving ion mass ratio performance at low concentrations in methamphetamine GC-MS assay through internal standard selection.

M. Kushnir, G. Nelson, F. M. Urry, 1996, Journal of analytical toxicology.

Performance characteristics of a novel tandem mass spectrometry assay for serum testosterone.

R. Fitzgerald, A. Rockwood, M. Kushnir, 2006, Clinical chemistry.

Higher endogenous estrogen levels in 70-year-old women and men: an endogenous response to counteract developing atherosclerosis?

L. Lind, J. Bergquist, M. Kushnir, 2012, Menopause.

Androgen levels during adjuvant endocrine therapy in postmenopausal breast cancer patients

J. Bergquist, M. Kushnir, I. Sundström Poromaa, 2014, Climacteric : the journal of the International Menopause Society.

Time-of-flight mass spectrometry analysis of the ferroportin-hepcidin binding domain complex for accurate mass confirmation of bioactive hepcidin 25.

D. Crockett, A. Rockwood, J. Phillips, 2010, Clinica chimica acta; international journal of clinical chemistry.

Association of PTHrP levels in CSF with Alzheimer's disease biomarkers.

Frederick G. Strathmann, K. Blennow, A. Rockwood, 2019, Clinical mass spectrometry.

State-of-the-art of serum testosterone measurement by isotope dilution-liquid chromatography-tandem mass spectrometry.

B. Keevil, P. Sluss, A. Rockwood, 2008, Clinical chemistry.

Asymmetric dimethylarginine, cortisol/cortisone ratio, and C-peptide: markers for diabetes and cardiovascular risk?

B. Horne, H. May, J. Carlquist, 2007, American heart journal.

Cellular Pregnenolone Esterification by Acyl-CoA:Cholesterol Acyltransferase*

A. Remaley, A. Rockwood, Jay Liu, 2012, The Journal of Biological Chemistry.

High sensitivity measurement of estrone and estradiol in serum and plasma using LC-MS/MS.

A. Rockwood, M. Kushnir, A. Meikle, 2010, Methods in molecular biology.

Early perceptual loss in depression

Yonina C. Eldar, Karl J. Friston, Charles R. Seger, 2007 .

Limitations of the Hoffman approach to determine pediatric reference intervals for two steroids.

A. Rockwood, M. Kushnir, A. Meikle, 2010, Clinical biochemistry.

Diurnal Variations of Endogenous Steroids in the Follicular Phase of the Menstrual Cycle

J. Bergquist, M. Kushnir, T. Bäckström, 2016 .

Patterns of endogenous steroids in apathetic refugee children are compatible with long-term stress

J. Bergquist, M. Kushnir, P. Sandstedt, 2012, BMC Research Notes.

Prenatal Bisphenol A Exposure is Linked to Epigenetic Changes in Glutamate Receptor Subunit Gene Grin2b in Female Rats and Humans

E. Ingelsson, C. Broeckling, A. Ganna, 2018, Scientific Reports.