Ionic Strength-Induced Compartmentalization for Nanogel-in-Microgel Colloids.

Compartmentalization is crucial for control over complex biological cascade reactions. In microgels, the formation of discrete compartments allows for simultaneous uptake and orthogonal release of physicochemically distinct drugs, among others. However, many state-of-the-art approaches yielding compartmentalized microgels require the use of specific, though not always biocompatible, components and temperatures well above the physiological range, which may damage possible biological cargo.

Trophic and environmental influences on trace element concentrations in Australian fur seals.

Trace elements (TE) in living organisms can have detrimental health impacts depending on their concentration. As many TEs are obtained through diet, trophic niche changes associated with the impacts of anthropogenic activities and climate-change may influence exposure to top predators. The Australian fur seal (Arctocephalus pusillus doriferus; AUFS) represents the greatest resident, marine predator biomass in south-eastern Australia.

Engineering poly(dehydroalanine)-based gels droplet-based microfluidics: from bulk to microspheres.

Biomedical applications such as drug delivery, tissue engineering, and functional surface coating rely on switchable adsorption and desorption of specialized guest molecules. Poly(dehydroalanine), a polyzwitterion containing pH-dependent positive and negative charges, shows promise for such reversible loading, especially when integrated into a gel network. Herein, we present the fabrication of poly(dehydroalanine)-derived gels of different size scales and evaluate them with respect to their practical use in biomedicine.

Protocol for a pilot study assessing a virtual mindfulness intervention for postpartum African American women.

Elevated perinatal depressive symptoms are more common among disadvantaged African American women, and they are almost four times as likely to have postpartum posttraumatic stress compared to white women. For new mothers, depressive symptoms and posttraumatic stress can lead to negative parenting, poor mother-infant bonding, and delayed infant development. For African American women, a culturally adapted mindfulness-based intervention offers great potential as an acceptable approach to reduce psycho-behavioral symptoms and improve mother-infant interactions (i.

Investigating the role of nicotinic acetylcholine receptors in menthol's effects in mice.

The use of menthol in tobacco products has been linked to an increased likelihood of developing nicotine dependence. The widespread use of menthol can be attributed to its unique sensory characteristics; however, emerging evidence suggests that menthol also alters sensitivity to nicotine through modulation of nicotinic acetylcholine receptors (nAChRs). Nicotinic subunits, such as β2 and α5, are of interest due to their implications in nicotine reward, reinforcement, intake regulation, and aversion.

Compartmentalized Polyampholyte Microgels by Depletion Flocculation and Coacervation of Nanogels in Emulsion Droplets.

In pH-responsive drug carriers, the distribution of charges has been proven to affect delivery efficiency but is difficult to control and verify. Herein, we fabricate polyampholyte nanogel-in-microgel colloids (NiM-C) and show that the arrangement of the nanogels (NG) can easily be manipulated by adapting synthesis conditions. Positively and negatively charged pH-responsive NG are synthesized by precipitation polymerization and labelled with different fluorescent dyes.

Original Research: Can a Palliative Care Lay Health Advisor-Nurse Partnership Improve Health Equity for Latinos with Cancer?

Purpose: A palliative care infrastructure is lacking for Latinos with life-threatening illness, especially in rural regions of the United States. The purpose of this study was to develop and evaluate a community-based palliative care lay health advisor (LHA) intervention for rural-dwelling Latino adults with cancer.

Methods: An exploratory mixed-methods participatory action research design was carried out by an interprofessional research team that included community and academic members.

The ambulatory blood pressure monitoring among obese and nonobese diabetes mellitus patients.

Background: Obesity and diabetes mellitus are two major factors related with the risk of metabolic syndrome and cardiovascular diseases. Co-existing hypertension with diabetes mellitus and obesity has poor prognosis for cardiovascular diseases. Ambulatory blood pressure monitoring (ABPM) correlates more closely to target organ damage than clinic blood pressure.

Impact of a Mindfulness-Based Stress Reduction Program on Psychological Well-Being, Cortisol, and Inflammation in Women Veterans.

Background: Women veterans experience higher levels of stress-related symptoms than their civilian counterparts. Psychological stress is associated with greater inflammation and may increase risk for cardiovascular disease (CVD). Mindfulness-based stress reduction (MBSR) has been found to improve psychological well-being in other populations but no randomized controlled trials (RCT) have been conducted examining the impact of MBSR on well-being and inflammation in women veterans at risk for CVD.

In situ process quality monitoring and defect detection for direct metal laser melting.

Quality control and quality assurance are challenges in direct metal laser melting (DMLM). Intermittent machine diagnostics and downstream part inspections catch problems after undue cost has been incurred processing defective parts. In this paper we demonstrate two methodologies for in-process fault detection and part quality prediction that leverage existing commercial DMLM systems with minimal hardware modification.

Genetic Modifiers of Oral Nicotine Consumption in Null Mutant Mice.

The gene is strongly associated with the level of nicotine consumption in humans and manipulation of the expression or function of similarly alters nicotine consumption in rodents. In both humans and rodents, reduced or complete loss of function of leads to increased nicotine consumption. However, the mechanism through which decreased function of increases nicotine intake is not well-understood.

Heart Rate Variability and Inflammatory Stress Response in Young African American Men: Implications for Cardiovascular Risk.

African American men have a disproportionately higher incidence of and suffer greater severity and earlier death from cardiovascular disease (CVD). A common feature of many diseases, which disproportionately afflict disadvantaged African Americans, is inflammation. In particular, inflammation plays a decisive role in the pathogenesis of CVD in that persistent inflammation contributes to plaque evolution and destabilization.

Social Support Is Inversely Associated With Sleep Disturbance, Inflammation, and Pain Severity in Chronic Low Back Pain.

Background: Chronic low back pain (CLBP) is a significant cause of disability, lost wages, and healthcare costs. Inflammatory mediators, such as interleukin-6 (IL-6), have been associated with LBP severity. Patients with CLBP commonly experience sleep disturbance, and poor sleep has been shown to increase pain severity and inflammation.

Four Kinds of Hard: An Understanding of Cancer and Death among Latino Community Leaders.

Early integration of palliative care after a diagnosis of cancer improves outcomes, yet such care for Latino populations is lacking in rural regions of the United States. We used a participatory action research design with Latino community leaders from emerging immigrant communities in North Carolina to explore sociocultural perspectives on cancer and death. Thematic analysis was conceptualized as represented by four themes: Receiving an Eviction Notice, Getting in the Good Book, Talking is (Sometimes) Taboo, and Seeing Their Pain Makes us Suffer.

Preliminary evidence for a race-based stress reduction intervention for Black women at risk for cardiovascular disease.

Objective: Despite evidence that chronic stress, racism, and discrimination impact the well-being and the risk for cardiovascular disease (CVD) in Black women, there are few evidence-based interventions that improve well-being and reduce the risk for CVD in women of minority groups. The purpose of this pilot study was to evaluate the psychobehavioral and anti-inflammatory benefit of a race-based stress reduction program "Resilience, Stress, and Ethnicity (RiSE) for Black women at risk for CVD.

Methods: Black women were recruited from the Chicagoland community and randomized to either the 8-week RiSE intervention (n = 40) or control group (n = 34).

Behavioral Symptom Clusters, Inflammation, and Quality of Life in Chronic Low Back Pain.

Background: Chronic low back pain is a prevalent condition, often involving an inflammatory process. Behavioral symptoms, including depressed mood, fatigue, and sleep disturbance, intensifies pain and reduces quality of life.

Aims: The objectives of this pilot study were to identify behavioral symptom clusters (depressive mood, fatigue, poor sleep) in individuals with chronic low back pain, and to determine whether there are differences in pain, quality of life and inflammation (plasma IL-6) based on cluster membership.

Mindfulness Predicts Psycho-behavioral Improvement after Breast Cancer Diagnosis: Influence of Childhood Adversity.

Mindfulness-based interventions provide psychological benefit after breast cancer diagnosis. The aims of this study were to determine whether within-person change in facets of mindfulness predict psycho-behavioral improvements in women with breast cancer, and to assess the influence of childhood adversity on those improvements. Women randomized to the mindfulness arm of a larger trial were evaluated.

The relationship between stress and vitiligo: Evaluating perceived stress and electronic medical record data.

Vitiligo is a T-cell mediated skin disorder characterized by progressive loss of skin color. In individuals genetically predisposed to the disease, various triggers contribute to the initiation of vitiligo. Precipitating factors can stress the skin, leading to T-cell activation and recruitment.

Yoga for Women With Urgency Urinary Incontinence: A Pilot Study.

Objectives: The objective of this study was to evaluate the feasibility of a gentle yoga program for women with urgency urinary incontinence (UUI). Also, these preliminary data can evaluate if yoga improves symptom burden, quality of life, and inflammatory biomarkers for women with UUI.

Methods: This prospective nonrandomized single-arm pilot study evaluated the effectiveness of a twice-weekly, 8-week gentle yoga intervention to reduce UUI symptom burden.

Mindfulness based stress reduction provides psychological benefit and restores immune function of women newly diagnosed with breast cancer: A randomized trial with active control.

Background: Women newly diagnosed with breast cancer experience psychological distress, accompanied by reduced Natural Killer Cell Activity (NKCA) and altered levels of cytokines, which may compromise cancer control. Few studies have evaluated psycho-immune outcomes of mindfulness-based stress reduction (MBSR) for women newly diagnosed with breast cancer in comparison to an active control condition.

Objective: The purpose of this study was to determine whether MBSR benefits psychological, behavioral, and immunological function in women recently diagnosed with breast cancer.

Factors Affecting Patient Portal Use Among Low-Income Pregnant Women: Mixed-Methods Pilot Study.

Background: Patient portals offer patients personalized and secure Web access to their medical information and enable patients to manage their health care online. However, there is a lack of information about patient acceptance and use of patient portals among low-income pregnant women.

Objective: This formative research aims to assess the potential of a patient portal, MyChart, for improving prenatal health care and pregnancy outcomes, and identify the barriers and facilitators of MyChart use among low-income pregnant women.

The effects of oral nicotine administration and abstinence on sleep in male C57BL/6J mice.

Background: Sleep disturbances are common in smoking cessation attempts and are predictive of relapse. Despite this knowledge, there is no established animal model to study the effect of nicotine abstinence on sleep and EEG parameters.

Objectives: The present study was conducted to characterize sleep and wakefulness in male C57BL/6J mice during periods of oral nicotine administration and abstinence.

During stress, heart rate variability moderates the impact of childhood adversity in women with breast cancer.

Childhood adversity has long-lasting neuro-biological effects that can manifest as exaggerated stress responsivity to environmental challenge. These manifestations include a dysregulated hypothalamic-pituitary-adrenocortical (HPA) axis as well as increased levels of inflammatory mediators in response to stress. In this investigation, vagal parasympathetic activity was assessed for its capacity to moderate the relationship between childhood adversity and stress responsivity (cortisol and inflammation) during an acute laboratory challenge (Trier Social Stress Test-TSST).