Conscientious objection and reproductive health service delivery in sub-Saharan Africa

Lack of access to quality reproductive health services is the main contributor to the high maternal mortality and morbidity in sub-Saharan Africa (SSA). This is partly due to a shortage of qualified and experienced health care providers. However conscientious objection amongst the available few is a hitherto undocumented potential factor influencing access to health care in SSA. Provision of certain reproductive health services goes counter to some individual’s religious and moral beliefs and practices. Health providers sometimes refuse to participate in or provide such services to clients/patients on moral and/or religious grounds. While the rights to do so are protected by the principles of freedom of religion, among other documents, their refusal exposes clients/patients to the risk of reproductive health morbidity as well as mortality. Such providers are required to refer the clients/patients to other equally qualified and experienced providers who do not hold similar conscientious objection. Access to high quality and evidence-based reproductive health services by all in need is critical to attaining MDG5. In addressing factors contributing to delay in attaining MDG5 in SSA it is instructive to consider the role of conscientious objection in influencing access to quality reproductive health care services and strategies to address i

A Study on Emerging Trends and Challenges in Mobile Cloud Computing

The proficiencies of mobile devices and mobile application continues to improve swiftly in relation to speed, computing power, storage and real world user friendly applications. Survey carried out by the Gartner Company (Famous global analytical consulting company) predicted more users to access the internet from the mobile devices than from the PCs by the year 2013. The outburst of the development in smart phones, applications and cloud computing concept has introduced Mobile Cloud Computing (MCC) as a dynamic technology for mobile devices. Mobile Cloud Computing (MCC) incorporates cloud computing into the mobile environment and overcome some problems in performance (e.g., battery life, storage), environment (e.g., scalability, availability) and security (reliability and privacy).Since MCC is still at primary stage of development we have to first theoretically understand the technology which would later on help us in the prediction of future research. In this paper, we introduce the background and theory of Mobile Cloud Computing (MCC), the benefits of MCC, challenges faced in MCC and finally some proposed possible future solution

HIV/AIDS and pregnancy-related deaths in Blantyre, Malawi

Background: HIV/AIDS epidemic is one of the major factors affecting women’s health and impeding national efforts to improve it especially in sub-Saharan Africa. Current evidence indicates that HIV/ AIDS is increasingly becoming a major cause or contributing factor to pregnancy-related deaths, almost overtaking the “traditional” causes and factors. Objectives: To survey the contribution of HIV infection and AIDS to pregnancy-related deaths in Blantyre, Malawi. Design: A retrospective, descriptive, facility-based survey. Setting: The Queen Elizabeth Central Teaching Hospital, Blantyre, Malawi. Subjects: All women recorded to have had pregnancy-related deaths between January 1, 1999 and December 31, 2000. Results: There were 204 maternal deaths, 154 (75.5%) direct, the top five causes being puerperal sepsis (39.0%), postabortion complications (31.2%), obstetric haemorrhage (14.3%), eclampsia (8.4%) and ectopic pregnancy (3.9%). At least 38 (18.6%) of the total were HIV positive or had AIDS. The main causes of deaths amongst these were meningitis (23.7%), pneumonia (18.4%), puerperal sepsis (13.2%), postabortal sepsis (10.5%), severe anaemia (10.5%) and pulmonary tuberculosis (10.5%) Of those who died of puerperal and postabortal sepsis in the whole study group 8.3% had HIV/AIDS. Of the indirect maternal deaths, 50 (58%) were HIV positive or had AIDS. Conclusion and recommendations: HIV/AIDS contributes to both direct and indirect maternal deaths in Malawi. National strategies to realise MDG5 targets should include addressing the HIV/AIDS epidemic within the entire population as well as scaling up contraceptive uptake and utilisation, especially amongst the most vulnerable groups

Changing availability of TV white space in the UK

The UK regulator Ofcom has held a Pilot of TV white space (TVWS) technology in the UK. On the basis of the results of this Pilot, Ofcom has varied its calculations of allowed white space device equivalent isotropically radiated powers (EIRP). Further, the World Radiocommunication Conference (WRC) 2015 has assigned 694-790 MHz to mobile broadband on a co-primary basis, in International Telecommunication Union (ITU) Region 1 (which includes the UK/EU). Fundamental observations on the effects of these changes on TVWS availability in the UK are provided.</p

Interaction between elevated co2 and organic matter on bacterial metabolismo

Aquatic Sciences Meeting (Aquatic Sciences: Global And Regional Perspectives - North Meets South), 22-27 February 2015, Granada, Spain.Microcosm experiments to assess bacterioplankton response to autochthonous inputs of organic matter modified by future acidified ocean conditions were performed. Surface seawater enriched with inorganic nutrients and incubated in UVR-transparent cubitainers was bubbled for 8 days with regular air (380 ppmv CO2) or with a high CO2-air mixture (1000 ppmv CO2) to be used as inocula. In the second phase of the experiment, natural bacterioplankton communities enriched with the acidified or non-acidified organic matter inocula were incubated under dark conditions during 8 days in the presence or absence of CO2 as previously. Bacterial abundance, production and viability were measured as physiological indicators of bacterial metabolism. The results showed that acidified organic matter produced higher abundances for similar production rates early during the incubation, while non-acidified organic matter produced higher bacterial production and viability latter at the end of the experiment, indicating a more recalcitrant character of the organic matter under these conditions. We demonstrate that CO2 effects on bacterioplankton are mainly due to indirect effects on organic matter characteristics rather than to direct effects of acidification on bacteria metabolism.N

Gonadal Hormones Rapidly Enhance Spatial Memory and Increase Hippocampal Spine Density in Male Rats

17β-estradiol (E(2)) rapidly, within minutes, activates behaviors and cognition by binding to membrane estrogen receptors, activating cell signaling cascades and increasing dendritic spines. In female rodents, E(2) enhances spatial memory within 2–4 hours, and spine density is increased in the CA1 area of the hippocampus within 30–60 minutes. Although chronic gonadal hormone treatments in male rats alter cognition and spines/spine synapses and acute hormone effects occur in hippocampal slices, effects of acute, in vivo hormone administration in males are unknown. Therefore, we assessed rapid effects of E(2) (20 μg/kg) and testosterone (T) (750 μg/kg) on spatial memory using the object placement task and on hippocampal spine density using Golgi impregnation. Orchidectomized rats received hormones immediately after the training trial and were tested for retention 2 hours later. Vehicle-injected orchidectomized males spent equal time exploring objects in the old and new locations, but E(2-) or T-treated subjects spent more time exploring objects at the new location, suggesting enhanced memory. Both hormones also increased spine density in CA1, but not the dentate gyrus, by 20%–40% at 30 minutes and 2 hours after injections. This report is the first, to our knowledge, to show E(2) and T enhancements of memory and spine density within such a short time frame in male rats

Interaction Between Hot Carrier Aging and PBTI Degradation in nMOSFETs: Characterization, Modelling and Lifetime Prediction

Modelling of the interaction between Hot Carrier Aging (HCA) and Positive Bias Temperature Instability (PBTI) has been considered as one of the main challenges in nanoscale CMOS circuit design. Previous works were mainly based on separate HCA and PBTI instead of Interacted HCA-PBTI Degradation (IHPD). The key advance of this work is to develop a methodology that enables accurate modelling of IHPD through understanding the charging/discharging and generation kinetics of different types of defects during the interaction between HCA and PBTI. It is found that degradation during alternating HCA and PBTI stress cannot be modelled by independent HCI/PBTI. Different stress sequence, i.e. HCA-PBTI-HCA and PBTI-HCA-PBTI, lead to completely different degradation kinetics. Based on the Cyclic Anti-neutralization Model (CAM), for the first time, IHPD has been accurately modelled for both short and long channel devices. Complex degradation mechanisms and kinetics can be well explained by our model. Our results show that device lifetime can be underestimated by one decade without considering interaction

Charge and spin excitations of insulating lamellar copper oxides

A consistent description of low-energy charge and spin responses of the insulating Sr_2CuO_2Cl_2 lamellar system is found in the framework of a one-band Hubbard model which besides $U$ includes hoppings up to 3^{rd} nearest-neighbors. By combining mean-field calculations, exact diagonalization (ED) results, and Quantum Monte Carlo simulations (QMC), we analyze both charge and spin degrees of freedom responses as observed by optical conductivity, ARPES, Raman and inelastic neutron scattering experiments. Within this effective model, long-range hopping processes flatten the quasiparticle band around $(0,\pi)$. We calculate also the non-resonant A_{1g} and B_{1g} Raman profiles and show that the latter is composed by two main features, which are attributed to 2- and 4-magnon scattering.Comment: 6 pages, 3 figures, To be published in PRB (july

Stripes in Doped Antiferromagnets: Single-Particle Spectral Weight

Recent photoemission (ARPES) experiments on cuprate superconductors provide important guidelines for a theory of electronic excitations in the stripe phase. Using a cluster perturbation theory, where short-distance effects are accounted for by exact cluster diagonalization and long-distance effects by perturbation (in the hopping), we calculate the single-particle Green's function for a striped t-J model. The data obtained quantitatively reproduce salient (ARPES-) features and may serve to rule out "bond-centered" in favor of "site-centered" stripes.Comment: final version as appeared in PRL; (c) 2000 The American Physical Society; 4 pages, 4 figure