Search Results - (Author, Cooperation:G. King)

2018-05-25

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Geosciences

Computer Science

Medicine

Natural Sciences in General

Physics

Chemistry, Online Only

2018-05-16

American Physical Society (APS)

1050-2947

1094-1622

Physics

Quantum optics, physics of lasers, nonlinear optics, classical optics

2014-03-15

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Computer Science

Medicine

Natural Sciences in General

Physics

Centers for Disease Control and Prevention (U.S.) ; Data Collection/statistics & numerical data ; Data Interpretation, Statistical ; *Disease Outbreaks ; Humans ; Influenza, Human/*epidemiology ; Office Visits/statistics & numerical data/*trends ; Prognosis ; Social Media/*utilization ; United States

2014-07-12

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Computer Science

Medicine

Natural Sciences in General

Physics

*Disease Outbreaks ; Humans ; Influenza, Human/*epidemiology ; Office Visits/*trends ; Social Media/*utilization

2014-08-26

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Computer Science

Medicine

Natural Sciences in General

Physics

Blogging/*legislation & jurisprudence ; China ; *Communication ; *Crowding ; *Government Regulation ; Humans ; Social Media/*legislation & jurisprudence

2016-03-05

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Computer Science

Medicine

Natural Sciences in General

Physics

2011-02-12

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Computer Science

Medicine

Natural Sciences in General

Physics

Access to Information ; Humans ; *Informatics ; *Information Dissemination ; *Information Management ; Information Storage and Retrieval ; Privacy ; Publishing ; *Social Sciences/ethics/trends

0307-1847

Political Science

1432-0991

Springer Online Journal Archives 1860-2000

Biology

Medicine

Abstract. DNA sequencing techniques have revealed widespread molecular diversity of the genomic organization of apparently closely related bacteria (as judged from SSU rDNA sequence similarity). We have previously described the extreme thermophile Caldicellulosiruptor saccharolyticus, which is unusual in possessing multi-catalytic, multidomain arrangements for the majority of its glycosyl hydrolases. We report here the sequencing of three gene clusters of glycosyl hydrolases from Caldicellulosiruptor sp. strain Tok7B.1. These clusters are not closely linked, and each is different in its organization from any described for Cs. saccharolyticus. The catalytic domains of the enzymes belong to glycosyl hydrolase families 5, 9, 10, 43, 44, and 48. The cellulose binding domains (CBDs) of these enzymes from Caldicellulosiruptor sp. Tok7B.1 are types IIIb, IIIc, or VI. A number of individual catalytic and binding domains have been expressed in Escherichia coli, and biochemical data are reported on the purified enzymes for cellulose degradation encoded by engineered derivatives of celB and celE.

Electronic Resource

2018-08-31

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Geosciences

Computer Science

Medicine

Natural Sciences in General

Physics

Evolution, Scientific Community

2018-10-19

American Association for the Advancement of Science (AAAS)

0036-8075

1095-9203

Biology

Chemistry and Pharmacology

Geosciences

Computer Science

Medicine

Natural Sciences in General

Physics

Biochemistry, Online Only

2018-10-25

American Association for the Advancement of Science (AAAS)

2375-2548

Natural Sciences in General

2018-09-13

American Association for the Advancement of Science (AAAS)

2375-2548

Natural Sciences in General

1089-7550

AIP Digital Archive

Physics

The fabrication and electrical performance of an all refractory, eight mask step, NbN medium scale integrated circuit process are discussed. In situ rf sputter deposited trilayers of NbN/MgO/NbN are plasma etched to fabricate Josephson junctions. A novel low temperature, plasma enhanced chemical vapor deposited SiO2 film is used for wiring and resistor insulation. Sputter deposited molybdenum films are used for resistors. Tunnel junctions fabricated with this process have Vm=61 mV at jc=1100 A/cm2, and Vg = 5.1–5.2 mV at 4.2 K. Critical currents are uniform to within ±3% for 101 junction strings and are within ±25% over all die on 3 in. wafers. This process has been used to fabricate 8-bit single flux quantum counter circuits, squid magnetometer circuits, 870 junction strings, and arrays of 256 squids. Preliminary circuit testing indicates operation at temperatures within the range of small closed-cycle refrigerators.

Electronic Resource

1089-7690

AIP Digital Archive

Physics

Chemistry and Pharmacology

The effect of the solute–solvent coupling on the dynamics of adiabatic charge transfer reactions is examined. A two-state description of the solute electronic configuration is implemented to adequately treat the gradual transfer of charge from the donor to acceptor as the reaction progresses. A formalism is developed for separating the solute and solvent contributions to the reaction coordinate (defined here as the difference in energy between the reactant and product states) and equations of motion are derived for these coordinates. It is found that these equations of motion are far more elaborate than the ones considered in the diabatic case (weak coupling between solute electronic states). In particular, they must reflect the effect of the solvent polarization on the solute polarization. The corresponding coupling term is missing in most treatments of charge transfer processes. To explore the coupled dynamics of the reactive trajectories we use both direct downhill simulations and a new approach which evaluates the average solvent coordinate using the linear response approximation. Our study indicates that the reactive fluctuations are characterized by both the polarization time of the solute dipole and the relaxation time (or times) of the solvent. The nature of the relevant solvent relaxation time is explored on a microscopic level for different charge configurations and different solute radii. The results demonstrate that the autocorrelation function of the solvent coordinate (which is proportional to the solvent reaction field) reflects saturation effects and depends on the solute size and charge distribution. Thus we conclude that the microscopic dynamics of the solvent can deviate from the corresponding macroscopic estimate.

Electronic Resource

1089-7666

AIP Digital Archive

Physics

Results from a dual-tracer planar laser-induced fluorescence (PLIF) technique for making instantaneous, quantitative measurements of molecularly mixed fluid fraction are presented for an axisymmetric jet in a slow co-flow. The two-camera, two-laser technique uses PLIF of nitric oxide seeded in a nitrogen jet to mark the unmixed jet fluid fraction, while PLIF of acetone seeded into the low velocity air co-flow marks the total co-flow fluid fraction. By combining data from these two simultaneous images, quantitative measurements of molecularly mixed jet fluid fraction can be made on a pixel-by-pixel basis, while simultaneously allowing visualizations of large-structure behavior and regions of subresolution stirring. Instantaneous images of molecularly mixed jet fluid fraction and jet fluid mixing efficiency, probability density functions (PDFs) of mixed jet fluid fraction, and associated statistics are presented for Rejet=1000, 5000, 10,000, 50,000, and 100,000. For fully turbulent conditions (Rejet≥30,000), stirring at subresolution scales is detected primarily on the jet side of the mixing layer. This creates a hybrid PDF behavior (stationary on the jet side of the mixing layer, marching on the co-flow side) that is not shown by passive scalar methods at equivalent image resolution. © 1999 American Institute of Physics.

Electronic Resource

1365-2214

Blackwell Publishing Journal Backfiles 1879-2005

Medicine

Psychology

This article describes the use of a newly-developed measure of parents’ perceptions of health care providers’ behaviours (Measure of Processes of Care — MPOC) to evaluate the family centredness of children’s rehabilitation services. The measure was developed with the participation of more than 1600 parents of children with chronic neurodevelopmental conditions throughout Ontario. It assesses five domains: enabling and partnership; providing general information; providing specific information about the child; coordinated and comprehensive care; and respectful and supportive care. By comparing the perceptions of parents receiving services from three different types of organizations or programmes, we demonstrated that the MPOC can pick up differences between parents in their experiences of caregiving. We also demonstrated that the MPOC is able to detect differences in how parents view the family-centredness of services provided by individual centres. The data indicate that the MPOC has appreciable utility in providing programmes and services with a description of their current level of family-centred service as perceived by parents. The strengths, limitations and potential uses of the measure in other contexts are discussed.

Electronic Resource

1365-2214

Blackwell Publishing Journal Backfiles 1879-2005

Medicine

Psychology

Summary The issues arising from implementing an early intervention service, developed in the rural United States in the late 1960s in a range of different cultural contexts over a period of a quarter of a century, are explained. Services from India, Bangladesh, Jamaica and the United Kingdom are compared.As well as considering cross-cultural aspects of Portage, variability within one country, the United Kingdom, is considered by comparing one service in an inner-city area and one in a rural area.

Electronic Resource

1365-2214

Blackwell Publishing Journal Backfiles 1879-2005

Medicine

Psychology

Background  With parents more involved in their child's day-to-day care, concepts of family-centred service (FCS) are increasingly adopted in children's health and rehabilitation service organizations.Methods  In this paper, we report the results of a study to develop and evaluate educational materials for parents, service providers and health sciences students about FCS. The materials focus on the nature and philosophy of FCS, and the practical skills and systemic changes required for its implementation.Results  Thirty-six participants (12 families, 12 service providers and 12 rehabilitation science students) were randomly assigned to receive one of the six FCS educational packages, each containing three FCS educational sheets. Participants’ ratings of the format and content, and the impact of the FCS Sheets were very high, with overall means above 5.0 on a 7-point scale. Using a mixed model analysis, we found significant differences in participants’ ratings of familiarity with the materials (students were less familiar than service providers). After statistical adjustment for familiarity, there were no significant differences between the groups or the packages on ratings of format and content or impact.Conclusions  There were no significant differences in the way in which the participant groups rated the impact of the FCS Sheets and the specific packages did not have an effect on the participants’ ratings. The FCS educational materials, even those less familiar to participants, were rated highly on format and content, and impact. Results indicate that the material was perceived to be important to each group, and was formatted and written in a way that was easy to understand. This finding counters current recommendations in the knowledge transfer literature that suggest different versions should be written for different target groups.

Electronic Resource

1365-2214

Blackwell Publishing Journal Backfiles 1879-2005

Medicine

Psychology

Background  The provision of family-centred services (FCS) emphasizes a partnership between parents and service providers so that families are involved in every aspect of services for their child. There is evidence that providing FCS is associated with improvements in parents’ satisfaction with services, decreased parental stress, and positive child outcomes.Methods  The purpose of this study was to examine factors that are most important in determining parent perceptions of the family centredness of care and parent satisfaction with service. A cross-sectional survey was completed by 494 parents, 324 service providers, and 15 CEOs from 16 organizations delivering children's rehabilitation services. Analyses were completed using a structural equation modelling approach.Results  Survey return rates ranged from 77 to 94%. Findings indicate that the principal determinants of parent satisfaction with services are the family-centred culture at the organization and parent perceptions of FCS. Parent satisfaction with services was also influenced by the number of places where services were received and the number of health and development problems experienced by their child.Conclusion  Parent satisfaction with services is strongly influenced by the perception that services are more family centred, fewer places where services were received and fewer health and development problems for their child. Ways in which organizations can improve satisfaction through carrying out family-centred behaviours are discussed.

Electronic Resource