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measure Urinary osmolality
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3Urinary osmolality was measured with a density test (specific gravity) using the Atago refractometer PAL-10S BLT/A+W (Atago, Tokyo, Japan). The refractive index is a ratio of the velocity of light in air to the velocity of light in solution, which is directly proportional to the number of dissolved solids in urine.Created October 17, 2024 • Updated October 20, 2024 -
measure Buccal swab
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YE_ATTEF1 YE_ATTEF2 YE_ATTEF3 YC_ADHMRI YE_COG18Buccal swabs are collections of buccal cell scrapings obtained by rubbing buds along the inside of the mouth.Created October 17, 2024 • Updated October 20, 2024 -
measure LC-MS amines
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3Liquid chromatography mass spectrometry (LC-MS) platform targeting amines.Created October 17, 2024 • Updated October 20, 2024 -
measure Neuropeptides
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3Neuropeptides, including Substance P, Beta-endorphin, Dynorphin A, neurotensin, and Leu-enkaphalin, were measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created October 17, 2024 • Updated October 20, 2024 -
measure NMR metabolomics
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YE_COG18Untargeted proton nuclear magnetic resonance (1H-NMR) metabolomics platform.Created October 17, 2024 • Updated October 20, 2024 -
measure Genotyping (array)
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3 YC_BS1 YC_BS2 YC_BS3 YC_DSC YE_FITNSS YC_ADHMRI YE_COG18Assessment of single nucleotide polymorphisms (SNPs) as obtained through genotyping arrays.Created October 17, 2024 • Updated October 20, 2024 -
measure Skinfold thickness
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YE_COG18Skinfold thickness is an assessment of body fat which can noninvasively and reliably be measured at various sites of the body using a skinfold caliper. Based on measurements at multiple sites of the body, the total body fat and contribution of fat to the body mass can be estimated.Created October 17, 2024 • Updated October 20, 2024 -
measure Heart beat perception
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Behavioral/cognitive task Available measurements: Young Netherlands Twin Register YE_ATTEF3In Heart beat perception, participants were asked to judge their own heart rate by introspective visceral awareness, i.e. without palpitating the arterial pulse signal at wrist or neck. They judged their mean heart rate per minute over three short periods (25, 35 and 45 seconds).Created October 17, 2024 • Updated October 20, 2024 -
measure LC-MS steroid hormones
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB2 YC_ACTION - BB3 YC_BS1Liquid chromatography mass spectrometry (LC-MS) platform targeting steroid hormones.Created October 17, 2024 • Updated October 20, 2024 -
measure VU University Ambulatory Monitoring System (VU-AMS)
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YE_FITNSS YE_ATTEF3 YE_COG18The VU University Ambulatory Monitoring System (VU-AMS) enables non-invasive ambulatory measurement of the autonomic nervous system for research purposes and can be used to measure: Heart Rate/Inter beat Interval (IBI), Heart Rate Variability (SDNN, RMSSD, IBI power spectrum: HF, LF), Respiratory Sinus Arrhythmia (RSA), Pre-Ejection Period (PEP), Left...Created October 17, 2024 • Updated October 20, 2024 -
measure GC-MS organic acids
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3Gas chromatography mass spectrometry (GC-MS) platform targeting organic acids.Created October 17, 2024 • Updated October 20, 2024 -
measure Saliva sample
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_BS1 YC_BS2 YC_BS3 YE_ATTEF2 YE_COG12 YE_COG18Saliva was collected using a cotton swab or a collection device, such as a tube or container (passive drool).Created October 17, 2024 • Updated October 20, 2024 -
measure Steroid hormones
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_BS1 YC_BS2 YC_BS3 YE_ATTEF2 YE_COG12 YE_COG18Steroid hormones, for instance Testosterone, Estrogen, Dehydroepiandrosterone (DHEA), and Cortisol, measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created October 17, 2024 • Updated October 20, 2024 -
measure Functional Magnetic Resonance Imaging (fMRI)
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests MRI Available measurements: Young Netherlands Twin Register YC_BS2 YC_BS3 YC_ADHMRIFunctional magnetic resonance imaging (MRI) is a non-invasive technique for examining brain activity. It captures ongoing functional connectivity patterns within the brain, either spontaneously (at rest), or during a specific task.Created October 17, 2024 • Updated October 20, 2024 -
measure Liver enzymes
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_ACTION BB2 YC_ACTION - BB3 YC_BS1 YC_BS2 YC_BS3Liver enzymes, for instance Albumin, Jodide, Aspartaat Aminotransferase (ASAT), and Alanine Transaminase (ALAT), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created October 17, 2024 • Updated October 20, 2024 -
measure Peptide hormones
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION BB1_1 YC_ACTION BB1_2 YC_BS1 YC_BS2 YC_BS3Peptide hormones, for instance Adrenocorticotropic Hormone (ACTH, pituitary hormone), Alpha-Melanocyte-Stimulating Hormone (α-MSH, Melanocortin), Luteinizing Hormone (LH), Cholecytokinin, and Follicle Stimulating Hormone (FSH), measured with traditional enzymatic tests, such as Enzyme-Linked Immunosorbent Assays (ELISA).Created October 17, 2024 • Updated October 20, 2024 -
measure Handgrip
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YE_FITNSSHandgrip strength in both hands was measured with a dynamometer (Baseline Digital Smedley Hand dynamometer, Fabrication Enterprises Inc., USA) with one arm at the side of the body and the elbow at a 90 degree angle.Created October 17, 2024 • Updated October 20, 2024 -
measure DNA methylation (array)
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_ACTION - BB3Assessment of DNA methylation as obtained through DNA methylation arrays.Created October 17, 2024 • Updated October 20, 2024 -
measure COSMED
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YE_FITNSSCOSMED consists of recorded breath-by-breath oxygen uptake (VO2) and carbon dioxide production (VCO2) during exercise measured with a telemetric gas exchange system (Cosmed K4b2, Cosmed Benelux, Nieuwegein, The Netherlands).Created October 17, 2024 • Updated October 20, 2024 -
measure GC-MS steroid hormones
Study: Netherlands Twin Register Mode of collection: MeasurementsAndTests Biological sample/measurement Available measurements: Young Netherlands Twin Register YC_BS1 YC_BS2 YC_BS3Gas chromatography mass spectrometry (GC-MS) platform targeting steroid hormones.Created October 17, 2024 • Updated October 20, 2024