Graphene Based Electrochemical Sensor for the Detection of Volatile Organic Compounds

Many household consumables contain volatile organic compounds(VOCs)as the active ingredient.Long term exposure to VOCs could cause various health problems,especially to the respiratory system.Graphene has attracted a lot of attention recently for its potential to be used as sensing material for VOCs.In this project we have constructed graphene/PVA composite based gas sensors for VOC detection.It was perceived that the polymer could introduce better selectivity to the sensor.Results suggest that the proposed sensor is highly sensitive to low molecular weight VOCs and that the manner in which the sensor respond to the vapour depends on the polarity or hydrophobicity of the vapour.     

Prenatal Antecedents of Newborn Neurological Maturation

Fetal neurobehavioral development was modeled longitudinally using data collected at weekly intervals from 24 to 38 weeks gestation in a sample of 112 healthy pregnancies. Predictive associations between 3 measures of fetal neurobehavioral functioning and their developmental trajectories to neurological maturation in the first weeks after birth were examined. Prenatal measures included fetal heart rate (FHR) variability, fetal movement, and coupling between fetal motor activity and heart rate patterning; neonatal outcomes include a standard neurologic examination ( n  =   97) and brainstem auditory evoked potential (BAEP; n  =   47). Optimality in newborn motor activity and reflexes was predicted by fetal motor activity, FHR variability, and somatic–cardiac coupling predicted BAEP parameters. Maternal pregnancy-specific psychological stress was associated with accelerated neurologic maturation.     

The Impact of a Goal-Setting Intervention for Engineering Students on Academic Probation

Research in Higher Education - Many degree-seeking college students struggle academically and ultimately never graduate. Academic challenges and persistence within the major are especially salient...     

OVERCOMING LEARNED HELPLESSNESS IN ELDERLY CLIENTS: SKILLS TRAINING FOR SERVICE PROVIDERS

The concept of learned helplessness has been used to explain many of the depression‐like symptoms found in elderly clients. Persons experiencing learned helplessness perceive events to be beyond their personal control, and learn that it is useless to respond. This syndrome adversely affects cognitive functioning, affect, motivation, and self‐esteem, and these persons present particularly difficult problems for the helping professional. This article relates the theory of learned helplessness to the losses of aging, and describes a brief experiential training program for service providers. The training teaches interpersonal skills useful in working with the depressed elderly. By allowing older persons to have impact within the counseling interaction itself, the process of restoring perceived control and reducing helplessness is initiated.     

Salivary cortisol mediates effects of poverty and parenting on executive functions in early childhood

In a predominantly low-income population-based longitudinal sample of 1,292 children followed from birth, higher level of salivary cortisol assessed at ages 7, 15, and 24 months was uniquely associated with lower executive function ability and to a lesser extent IQ at age 3 years. Measures of positive and negative aspects of parenting and household risk were also uniquely related to both executive functions and IQ. The effect of positive parenting on executive functions was partially mediated through cortisol. Typical or resting level of cortisol was increased in African American relative to White participants. In combination with positive and negative parenting and household risk, cortisol mediated effects of income-to-need, maternal education, and African American ethnicity on child cognitive ability.     

Graphene Based Electrochemical Sensor for the Detection of Volatile Organic Compounds

Many household consumables contain volatile organic compounds (VOCs) as the active ingredient. Long term exposure to VOCs could cause various health problems, especially to the respiratory system. Grap...     

‘To show or No-show’? Therapist Racial-ethnic Disparities in Clients’ Nonattendance in Therapy

Clients’ nonattendance in therapy poses a significant threat to the effective delivery of mental health services at university counseling centers. As such, researchers have investigated processes related to clients’ nonattendance in an effort to increase treatment utilization and treatment outcomes. However, there is a paucity of research testing the impact of the therapist on clients’ nonattendance patterns. Additionally, it is unknown whether therapists vary in the nonattendance of their racial/ethnic minority (REM) and White clients. Therefore, the present study sought to identify therapist effects in client nonattendance rates, and examine between-therapist disparities in REM and White clients’ nonattendance patterns. Data for this study consisted of 275 REM and 341 White clients seen by 21 therapists at a large university counseling center. Results indicated that therapists accounted for 14% of the variability in clients’ nonattendance. Additionally, therapist effects in nonattendance due to clients’ REM status were identified, suggesting that therapists are a significant source of racial/ethnic disparities in clients’ nonattendance. REM clients’ nonattendance rates were higher compared to White clients for some therapists, but not others. Clinical implications and future research are discussed.