Data for the ins and outs of involuntary part-time employment.

Data are US monthly time series of involuntary part-time employment stocks and flows from 1976 until 2019 (covering five economic downturns), derived from the US Current Population Survey (CPS). Stocks and flows are cleared from discrepancies over time caused by the 1994 redesign of the CPS, and they are adjusted to control for margin error problems and time aggregation biases. Data are available in two different formats: unadjusted and adjusted for misclassification errors - another important sources of biases in worker flows data.

Estimation of toluene exposure in air from BMA (S-benzylmercapturic acid) urinary measures using a reverse dosimetry approach based on physiologically pharmacokinetic modeling.

This study aimed to use a reverse dosimetry PBPK modeling approach to estimate toluene atmospheric exposure from urinary measurements of S-benzylmercapturic acid (BMA) in a small group of individuals and to evaluate the uncertainty associated to urinary spot-sampling compared to 24-h collected urine samples. Each exposure assessment technique was developed namely to estimate toluene air exposure from BMA measurements in 24-h urine samples (24-h-BMA) and from distributions of daily urinary BMA spot measurements (DUBSM). Model physiological parameters were described based upon age, weight, size and sex.

Synthesis of Galectin Inhibitors by Regioselective 3'--Sulfation of Vanillin Lactosides Obtained under Phase Transfer Catalysis.

Vanillin-based lactoside derivatives were synthetized using phase-transfer catalyzed reactions from per--acetylated lactosyl bromide. The aldehyde group of the vanillin moiety was then modified to generate a series of related analogs having variable functionalities in the position of the aromatic residue. The corresponding unprotected lactosides, obtained by Zemplén transesterification, were regioselectively 3'--sulfated using tin chemistry activation followed by treatment with sulfur trioxide-trimethylamine complex (MenN-SO).

Senescence: A program in the road to cell elimination and cancer.

Senescence is a tumor suppressor response that prevents the proliferation of mutated cells and alert the immune system for their elimination. However, this program is not perfect and with time additional genetic and epigenetic changes can impair tumor suppression and promote cancer progression both in cell autonomous and non-cell autonomous manners. A polyploid barrier is implemented in senescent cells to further prevent cell expansion but polyploid cells can generate highly malignant tumor cells via de-polyploidization.

The role of multiple attachments in intergenerational transmission of child sexual abuse among male victims.

Background: According to Finkelhor (1984), difficulties child sexual abusers have in establishing adaptive adult relationships are a consequence of attachment problems with parents. Research shows that insecure attachment is associated with both the experience of child sexual abuse (CSA) as a victim and perpetration of CSA as an adult. Attachment may thus be a key factor in intergenerational transmission (IT) of CSA.

Effects of Titanium Dioxide Nanoparticles on Photosynthetic and Antioxidative Processes of .

The effects of the photocatalytic toxicity of titanium dioxide nanoparticle (nano-TiO) on phytoplankton are well understood. However, as UV light intensity decreases sharply with the depth of the water column, the effects of nano-TiO itself on deeper water phytoplankton, such as green algae, need further research. In this research, we investigated the effects of three sizes of TiO (10, 50 and 200 nm) on the photosynthetic and antioxidative processes of in the absence of UV light.

Modes of coordination for health technology adoption: Health Technology Assessment agencies and Group Procurement Organizations in a polycentric regulatory regime.

The challenge of novel and high cost health technologies has encouraged the growth of regulatory agencies such as Health Technology Assessment (HTA) organizations and Group Procurement Organizations (GPO). Yet the existence of several agencies in the same polycentric regulatory regime raises questions about whether and how their work can be coordinated. Drawing on a case study of GPOs and HTA agencies across four provinces in Canada, involving document review and key informant interviews (n = 44) conducted between 2013 and 2016, we explore the separate evolution of these agencies, emerging connections between them for non-drug technologies, and the organizational processes and evaluative judgments that underpin coordination efforts.

Electrochemical and Solvent-Mediated Visible-to-Near-Infrared Spectroscopic Switching of Benzoselenadiazole Fluorophores.

A series of electronic push-pull, pull-pull, and push fluorophores has been prepared from a benzoselenadiazole core so that their spectroscopic, electrochemical, spectro-electrochemical, and spectro-electrofluorescence properties could be examined. The emission wavelengths and fluorescence quantum yields (Φ ) of the N,N-dimethyl fluorophores were contingent on the solvent polarity and they ranged from 615 to 850 nm in aprotic solvents. The positive solvatochromism and the quenched Φ in polar solvents were consistent with an intramolecular charge-transfer state (ICT).

Measurement of CeO Nanoparticles in Natural Waters Using a High Sensitivity, Single Particle ICP-MS.

As the production and use of cerium oxide nanoparticles (CeO NPs) increases, so does the concern of the scientific community over their release into the environment. Single particle inductively coupled plasma mass spectrometry is emerging as one of the best techniques for NP detection and quantification; however, it is often limited by high size detection limits (SDL). To that end, a high sensitivity sector field ICP-MS (SF-ICP-MS) with microsecond dwell times (50 µs) was used to lower the SDL of CeO NPs to below 4.

Impact of pharmacist interventions during transition of care in older adults to reduce the use of healthcare services: A scoping review.

Background: Current literature has shown increasing risk of error in transition of care between different healthcare settings, especially in the older population. Moreover, drug-related hospital readmission has been reported due to lack of appropriate communication. However, the literature is not clear about the impact of pharmacist interventions during transition of care of older adults on the reduction in use of healthcare services.

Growth of AuNPs on Glass Nanofibers for SERS Sensors.

It is challenging to fabricate plasmonic nanosensors on high-curvature surfaces with high sensitivity and reproducibility at low cost. Here, we report a facile and straightforward strategy, based on an growth technique, for fabricating glass nanofibers covered by asymmetric gold nanoparticles (AuNPs) with tunable morphologies and adjustable spacings, leading to much improved surface-enhanced Raman scattering (SERS) sensitivity because of hotspots generated by the AuNP surface irregularities and adjacent AuNP coupling. First, nanosensors covered with uniform and well-dispersed citrate-capped spherical AuNPs were constructed using a polystyrene--poly(4-vinylpyridine) (PS-P4VP, with 33 mol % P4VP content and 61 kg/mol total molecular weight) block copolymer brush-layer templating method, and then, the deposited AuNPs were grown to asymmetric AuNPs.

Treating brain diseases using systemic parenterally-administered protein therapeutics: Dysfunction of the brain barriers and potential strategies.

The parenteral administration of protein therapeutics is increasingly gaining importance for the treatment of human diseases. However, the presence of practically impermeable blood-brain barriers greatly restricts access of such pharmaceutics to the brain. Treating brain disorders with proteins thus remains a great challenge, and the slow clinical translation of these therapeutics may be largely ascribed to the lack of appropriate brain delivery system.

The effects of aging and disease duration on cognition in multiple sclerosis.

Objectives: Multiple sclerosis (MS) is a disease of the central nervous system that can interfere with cognitive functions. The purpose of this study is to document the impact of MS, aging and disease duration on cognitive functioning as both life expectancy and incidence of the disease among persons with MS (PwMS) aged 50 years and over (late-onset MS) are increasing in the last two decades.

Methods: Exhaustive neuropsychological evaluation was performed in 84 PwMS (30 young, 30 elderly adult-onset, 25 elderly late-onset) and 50 control participants (25 young, 24 elderly).

Is sex a proxy for mechanical variables during an upper limb repetitive movement task? An investigation of the effects of sex and of anthropometric load on muscle fatigue.

Background: Women report more work-related pain and neck/shoulder musculoskeletal disorders than men. For the same absolute workload, due to lower strength, females generally work at a higher relative intensity, which could induce more fatigue. However, the arm's anthropometric load (AL) of men is higher.

Revisiting the hypothesis of syndromic frailty: a cross-sectional study of the structural validity of the frailty phenotype.

Background: Fried's Phenotype Model of Frailty (PMF) postulates that frailty is a syndrome. Features of a syndrome are a heterogeneous population that can be split into at least two classes, those presenting and those not presenting the syndrome. Syndromes are characterized by a specific mixture of signs and symptoms which increase in prevalence, from less to more severe classes.

Machine Learning Applications for Head and Neck Imaging.

The head and neck (HN) consists of a large number of vital anatomic structures within a compact area. Imaging plays a central role in the diagnosis and management of major disorders affecting the HN. This article reviews the recent applications of machine learning (ML) in HN imaging with a focus on deep learning approaches.

Overview of Machine Learning: Part 2: Deep Learning for Medical Image Analysis.

Deep learning has contributed to solving complex problems in science and engineering. This article provides the fundamental background required to understand and develop deep learning models for medical imaging applications. The authors review the main deep learning architectures such as multilayer perceptron, convolutional neural networks, autoencoders, recurrent neural networks, and generative adversarial neural networks.

From single cells to complex tissues in applications of surface-enhanced Raman scattering.

As surface-enhanced Raman scattering (SERS) continues to grow in popularity, more work needs to be done to evaluate its compatibility with a wider scope of applications. With such a strong emphasis on SERS being used for biosensing, it is important to examine how SERS is used in bioanalytical nanoscience, and more importantly, look towards where SERS is heading. For many, the initial steps involve demonstrating in vivo sensing by SERS using cultures of live cells.

A blueprint for performing SERS measurements in tissue with plasmonic nanofibers.

Plasmonic nanostructures have found increasing utility due to the increased popularity that surface-enhanced Raman scattering (SERS) has achieved in recent years. SERS has been incorporated into an ever-growing list of applications, with bioanalytical and physiological analyses having emerged as two of the most popular. Thus far, the transition from SERS studies of cultured cells to SERS studies involving tissue has been gradual and limited.

Smart microneedle patches for rapid, and painless transdermal insulin delivery.

Insulin administration at mealtimes for the control of postprandial glucose is a major part of basal-bolus insulin therapy; however, painful subcutaneous (SC) injections lead to poor patient compliance. The microneedle (MN) patch, which allows painless transdermal drug delivery, is a promising substitute; however, it remains a big challenge to deliver insulin as rapidly as by SC injection. Here a novel MN patch is designed in which the MNs are coated with insulin/poly-l-glutamic acid (PGA) layer-by-layer (LBL) films at pH 3.

A high-throughput plasmonic tongue using an aggregation assay and nonspecific interactions: classification of taste profiles in maple syrup.

A simple colorimetric test detects off-flavour profiles of maple syrups in minutes, which are detectable by the naked eye. As flavour profiles are due to complex mixtures of molecules, the test uses nonspecific interactions for analysing the aggregation and color change of Au nanoparticles (AuNPs) induced by the different organic molecules contained in off-flavour maple syrup. The test was optimal with 13 nm citrate-capped AuNPs reacting 1 : 1 with pure maple syrup diluted 10 times.