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Investigating acute stress and working memory in youth with salivary cortisol and alpha-amylase
Stress and working memory in children and adolescents: Insights from a multisystem approach Tsai, et al., (2021) Journal of Experimental Child Psychology ABSTRACT: Despite considerable research with adults suggesting that acute stress negatively affects working memory (WM), a core cognitive function, few studies have assessed these effects in youths. Studies that have been conducted have […]
Salimetrics Expands Laboratory CLIA Certification for Saliva Testing
(February 2, 2022) Saliva testing is gaining in its utility to provide screening and diagnostic solutions, and Salimetrics is here to meet the needs of this growing field. With the recent expansion of Salimetrics' CLIA certification, the Saliva Laboratory reaches a new milestone in salivary bioscience. Salimetrics Saliva Laboratory’s experienced team, combined with the expanded [...]
Salimetrics’ Team Supports NIH Funded SARS-CoV-2 Post-Vaccination Study of Women’s Health
A new study seeks to investigate SARS CoV-2 vaccine effects on menstruation in female adolescents using salivary bioscience with the support of Salimetrics. While the current SARS-CoV-2 vaccines are considered safe and effective at preventing infection and hospitalizations, some women have reported menstrual cycle changes post-vaccination. Although incidents are low, changes in cycle length and […]
Salivary Cortisol and alpha-amylase assayed in ethnic minorities depicts atypical diurnal rhythm
Stress response asymmetries in African American emerging adults exposed to chronic social adversity Wood, et al., (2021) The International Journal on the Biology of Stress ABSTRACT: Chronic stress is linked to social adversity and underlies many health disparities among ethnic minorities. Cortisol and salivary alpha-amylase (sAA) reflect sensitivity to adversity and are related to health […]
Trier Social Stress Test: Validating a Remote, TSST-Online Protocol
Validation of an online version of the Trier Social Stress Test in a study of adolescents Gunnar, et al., (2021) Psychoneuroendocrinology ABSTRACT: Introduction: The Trier Social Stress Test (TSST) is the most widely used protocol for activating a stress response of the hypothalamic-pituitary-adrenocortical (HPA) axis and other stress-mediating systems. A number of variants of the […]
Statistical Approaches to Reduce Bias in Left-censored Salivary Data
Censored Data Considerations and Analytical Approaches for Salivary Bioscience Data Ahmadi, H. et al., (2021) Psychoneuroendorcinology ABSTRACT: Left censoring in salivary bioscience data occurs when salivary analyte determinations fall below the lower limit of an assay’s measurement range. Conventional statistical approaches for addressing censored values (i.e., recoding as missing, substituting or extrapolating values) may introduce […]
Salivary Bioscience Research for Nordic Region Investigators
Have you met XboXLab? XboXLab is one of Salimetrics trusted international distributors covering the Nordic region (Norway, Finland, Sweden, Denmark). Their team consists of knowledgeable and experienced employees ready to assist researchers and suppliers. XboXLab and Salimetrics both align in their fundamental goal of fulfilling salivary bioscience research needs by providing customers with high-quality SalivaBio […]
Blunted Morning Salivary Cortisol Associated with Cardiovascular Risk
Blunted circadian cortisol in children is associated with poor cardiovascular health and may reflect circadian misalignment Dai, W. et al., ( 2021) Psychoneuroendocrinology ABSTRACT: Objectives: Circadian cues in children (sunlight, exercise, diet patterns) may be associated with health outcomes. The primary objective was to assess associations of daily cortisol fluctuations (morning, night) with cardiovascular health […]
Salivary cortisol correlates with DNA methylation in preterm infants
DNA methylation in former extremely low birth weight newborns: association with cardiovascular and endocrine function Padbury, J. et al., (2021) Pediatric Research ABSTRACT: Background: There is increased risk of cardiovascular, metabolic, and hypertensive disorders in later life in the preterm population. We studied school-age children who had been born extremely premature who had undergone endocrine, […]
Salivary SARS-CoV-2 IgG Assay: A practical alternative for screening and monitoring vaccine antibody response and seroprevalence.
Comparative performance of multiplex salivary and commercially available serologic assays to detect SARS-CoV-2 IgG and neutralization titers Heaney et al., ( 2021) medRxiv ABSTRACT: Oral fluid (hereafter saliva) offers a non-invasive sampling method for the detection of SARS-CoV-2 antibodies. However, data comparing performance of salivary tests against commercially-available serologic and neutralizing antibody (nAb) assays are […]
The role of Salivary Cortisol and Progesterone in female friendships
The endocrinology of female friendships: Cortisol and progesterone attunement after separation Rankin et al., (2021) Biological Psychology ABSTRACT: Friendships constitute important relationships, and often function to reduce stress, but have been under-studied. In mother-child dyads, infants coordinate their stress response with their caregivers without experiencing the stressor themselves. The current study used a modified version […]
Increased altruism in children during distress may benefit from “tend-and-befriend” behavior
Children’s Altruism Following Acute Stress: The Role of Autonomic Nervous System Activity and Social Support V Alen et al., (2021) Developmental Science ABSTRACT: Altruistic behavior after stress exposure may have important health and psychological benefits, in addition to broader societal consequences. However, so far experimental research on altruism following acute stress has been limited to […]
Neuroscience Meets Salivary Bioscience: Interaction between sex, stress reactivity, and cingulum GFA
Sex-related differences in stress reactivity and cingulum white matter Wheelock, et al., ( 2021) Neuroscience ABSTRACT: The prefrontal cortex and limbic system are important components of the neural circuit that underlies stress and anxiety. These brain regions are connected by white matter tracts that support neural communication including the cingulum, uncinate fasciculus, and the fornix/stria-terminalis. […]
Zoom Webinar: Christopher D. Heaney, PhD., Johns Hopkins University – Using a Multiplex Salivary Antibody Assay to Measure SARS-CoV-2 Infection and Vaccination at Population-Scale
June 3rd, 2021 10:00am PST Zoom Webinar CHRISTOPHER D. HEANEY, PHD Bloomberg School of Public Health Johns Hopkins University ABSTRACT Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the cause of an ongoing pandemic that has infected millions of people across the globe. Informed implementation of government public health policies depends on accurate data on [...]