Cindy Søndersø Knudsen

2025

Impact of preanalytical factors on the stability of acetylcholine receptor antibodies in serum

Overgaard, D. L., Parkner, T., Jul Jarbæk Nielsen, J., Andersen, H. & Knudsen, C. S., 2025, (E-pub / Early view) In: Scandinavian Journal of Clinical and Laboratory Investigation.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Comment/debate/letter to the editor › Research › peer-review

Neurofilament light chain – Can it be measured in urine?

Tybirk, L., Knudsen, C. S. & Parkner, T., Mar 2025, In: Clinica Chimica Acta. 569, 120163.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Screening for pre-eclampsia using pregnancy-associated plasma protein-A or placental growth factor measurements in blood samples collected at 8–14 weeks' gestation

the PRESIDE Study Group, 2025, (E-pub / Early view) In: Ultrasound in Obstetrics and Gynecology.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

2024

Establishing a pediatric Reference Interval for Plasma Calprotectin

Blavnsfeldt, A.-B., Parkner, T. & Knudsen, C. S., Apr 2024, In: Scandinavian Journal of Clinical & Laboratory Investigation. 84, 2, p. 121-124 4 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Neurofilament light chain is elevated in patients with newly diagnosed idiopathic intracranial hypertension: A prospective study

Svart, K., Korsbæk, J. J., Jensen, R. H., Parkner, T., Knudsen, C. S., Hasselbalch, S. G., Hagen, S. M., Wibroe, E. A., Molander, L. D. & Beier, D., May 2024, In: Cephalalgia : an international journal of headache. 44, 5, p. 3331024241248203

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

Screening for pre-eclampsia with competing-risks model using placental growth factor measurement in blood samples collected before 11 weeks' gestation

Riishede Christiansen, I. L., Ekelund, C. K., Sperling, L., Overgaard, M., Knudsen, C. S., Clausen, T. D., Pihl, K., Zingenberg, H., Wright, A., Wright, D., Tabor, A., Rode, L. & Collaborators, Mar 2024, In: Ultrasound in Obstetrics & Gynecology. 63, 3, p. 342-349 8 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

2 Citations (Scopus)

The role of neutrophil activation in calprotectin in healthy children

Blavnsfeldt, A.-B., Parkner, T., Knudsen, C. S. & Larsen, A. W., 17 Sept 2024.

Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

2023

Diagnostic Cut-offs for CSF β-amyloid and tau proteins in a Danish dementia clinic

Abildgaard, A., Parkner, T., Knudsen, C. S., Gottrup, H. & Klit, H., Jan 2023, In: Clinica Chimica Acta. 539, p. 244-249 6 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

4 Citations (Scopus)

74 Downloads (Pure)

Neurofilament light chain: serum reference intervals in Danish children aged 0-17 years

Schjørring, M. E., Parkner, T., Knudsen, C. S., Tybirk, L. & Hviid, C. V. B., Oct 2023, In: Scandinavian Journal of Clinical and Laboratory Investigation. 83, 6, p. 403-407 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

4 Citations (Scopus)

Reference intervals and stability of haptocorrin and holotranscobalamin in Danish children and elderly

Knudsen, C. S., Parkner, T., Hoffmann-Lücke, E., Abildgaard, A. & Greibe, E., Jun 2023, In: Clinica Chimica Acta. 546, 5 p., 117394.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

3 Citations (Scopus)

Reply to letter from Mayfield et al. regarding "Lot variation and inter-device differences contribute to poor analytical performance of the DCA Vantage™ HbA1c POCT instrument in a true clinical setting"

Abildgaard, A., Knudsen, C. S., Bjerg, L. N., Lund, S. & Støy, J., 1 Jan 2023, In: Clinical Chemistry and Laboratory Medicine. 61, 1, p. e8–e10 3 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Comment/debate/letter to the editor › Research › peer-review

1 Citation (Scopus)

Serum GFAP - Pediatric reference interval in a cohort of Danish children

Tybirk, L., Hviid, C. V. B., Knudsen, C. S. & Parkner, T., Oct 2023, In: Clinical Chemistry and Laboratory Medicine. 61, 11, p. 2041-2045 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

8 Citations (Scopus)

2022

Biotin interference in routine IDS-iSYS immunoassays for aldosterone, renin, insulin-like growth factor 1, growth hormone and bone alkaline phosphatase

Knudsen, C. S., Adelborg, K., Søndergaard, E. & Parkner, T., 2022, In: Scandinavian Journal of Clnical and Laboratory Investigation. 82, 1, p. 6-11 6 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

3 Citations (Scopus)

Hæmolyse – hvor stort er problemet?

Lauridsen, K. M., Parkner, T. & Knudsen, C. S., Sept 2022, In: DSKB-NYT. 2022, 3, p. 30-32

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research

Open Access

Lot variation and inter-device differences contribute to poor analytical performance of the DCA Vantage™ HbA_1c POCT instrument in a true clinical setting

Abildgaard, A., Knudsen, C. S., Bjerg, L. N., Lund, S. & Støy, J., Jan 2022, In: Clinical Chemistry and Laboratory Medicine. 60, 1, p. 127-134 8 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

6 Citations (Scopus)

132 Downloads (Pure)

Plasma calprotectin - preanalytical stability and interference from hemolysis

Blavnsfeldt, A.-B., Parkner, T. & Knudsen, C. S., Sept 2022, In: Scandinavian Journal of Clinical & Laboratory Investigation. 82, 5, p. 349-355 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

8 Citations (Scopus)

Reference intervals for plasma vitamin B12 and plasma/serum methylmalonic acid in Danish children, adults and elderly

Abildgaard, A., Knudsen, C. S., Højskov, C. S., Greibe, E. & Parkner, T., Jan 2022, In: Clinica Chimica Acta. 525, p. 62-68 7 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

25 Citations (Scopus)

124 Downloads (Pure)

Serum GFAP - reference interval and preanalytical properties in Danish adults

Tybirk, L., Hviid, C. V. B., Knudsen, C. S. & Parkner, T., Oct 2022, In: Clinical Chemistry and Laboratory Medicine. 60, 11, p. 1830-1838 9 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

File

20 Citations (Scopus)

257 Downloads (Pure)

2021

Procollagen III, N-terminal propeptide (PIIINP): Establishment of reference intervals in Northern European adults and children using the MAGLUMI 800 chemiluminescence immunoassay

Larsen, J. B., Knudsen, C. S. & Parkner, T., Sept 2021, In: Scandinavian Journal of Clinical & Laboratory Investigation. 81, 5, p. 389-393 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

9 Citations (Scopus)

Serum levels of IgG antibodies against Aspergillus fumigatus and the risk of hypersensitivity pneumonitis and other interstitial lung diseases

Samson, M. H., Vestergaard, J. M., Knudsen, C. S. & Kolstad, H. A., Oct 2021, In: Scandinavian Journal of Clinical and Laboratory Investigation. 81, 6, p. 451-453 3 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

7 Citations (Scopus)

2020

Anti-transglutaminase IgA antibody measurement in coeliac disease: Method comparison IDS-iSYS vs. Thermo Fisher Phadia

Sandfeld-Paulsen, B., Parkner, T. & Knudsen, C. S., Nov 2020, In: Scandinavian Journal of Clinical and Laboratory Investigation. 80, 7, p. 552-555 4 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Reference interval and preanalytical properties of serum neurofilament light chain in Scandinavian adults

Hviid, C. V. B., Knudsen, C. S. & Parkner, T., 1 Jul 2020, In: Scandinavian Journal of Clinical and Laboratory Investigation. 80, 4, p. 291-295 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

102 Citations (Scopus)

2019

Reference limits for GAD65 and IA-2 autoantibodies by chemiluminescence immunoassay in Northern European adults and children

Ziobrowska-Bech, A., Winther-Larsen, A., Kremke, B., Parkner, T. & Soendersoe Knudsen, C., Feb 2019, In: Scandinavian Journal of Clinical and Laboratory Investigation. 79, 1-2, p. 123-125 3 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

1 Citation (Scopus)

2017

Comparison of three competitive immunoassays for measurement of TSH receptor antibodies in patients with Graves' disease

Doroudian, S., Pedersen, I. B., Knudsen, C. S., Handberg, A. & Andersen, S. L., 3 Oct 2017, In: Scandinavian Journal of Clinical & Laboratory Investigation. 77, 7, p. 535-540 6 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

13 Citations (Scopus)

2016

Short Communication: Testosterone Measured with an Automatic Immunoassay Compares Reasonbly Well to Results Obtained by LC-MS/MS

Knudsen, C. S., Højskov, C. S., Møller, H. J. & Nexø, E., 1 Oct 2016, In: Clinical Laboratory. 62, 10, p. 2039-43 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

2 Citations (Scopus)

Whole blood samples for adrenocorticotrophic hormone measurement can be stored at room temperature for 4 hours

Christensen, M., Madsen, R. F., Møller, L. R., Knudsen, C. S. & Samson, M. H., 16 Nov 2016, In: Scandinavian Journal of Clinical & Laboratory Investigation. 76, 8, p. 653-656 4 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

11 Citations (Scopus)

2015

Salivary acetylcholinesterase activity is increased in Parkinson's disease: a potential marker of parasympathetic dysfunction

Fedorova, T., Knudsen, C. S., Mouridsen, K., Nexo, E. & Borghammer, P., 2015, In: Parkinson's Disease. 2015, 7 p., 156479.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

45 Citations (Scopus)

2014

A comparison of three chromogranin A assays in patients with neuroendocrine tumours

Høj, L. B., Parkner, T., Soendersoe Knudsen, C. & Grønbaek, H., 2014, In: Journal of Gastrointestinal and Liver Diseases. 23, 4, p. 419-24 6 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

14 Citations (Scopus)

Measurement of amino terminal propeptide of type III procollagen (PIIINP) employing the ADVIA Centaur platform. Validation, reference interval and comparison to UniQ RIA

Knudsen, C. S., Heickendorff, L. & Nexo, E., Feb 2014, In: Clinical Chemistry and Laboratory Medicine. 52, 2, p. 237-41 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

11 Citations (Scopus)

2007

Reproductive death of cancer cells induced by femtosecond laser pulses

Thøgersen, J., Knudsen, C. S., Mætzke, A., Jensen, S. J. K., Keiding, S. R., Aisner, J. & Overgaard, J., 2007, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO. 4386633. (Conference on Lasers and Electro-Optics Europe - Technical Digest).

Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

Cindy Søndersø Knudsen

Research output

Search results