Tripartite quantum state mapping and discontinuous entanglement transfer in a cavity QED open system

We describe the transfer of quantum information and entanglement from three flying (radiation) to three localized (atomic) qubits via cavity modes resonantly coupled to the atoms, in the presence of a common reservoir. Upon addressing the full dynamics of the resulting nine-qubit open system, we find that once the cavities are fed, fidelity and transferred entanglement are optimal, while their peak values exponentially decrease due to dissipative processes. The external radiation is then turned off and quantum correlations oscillate between atomic and cavity qubits. For a class of mixtures of W and GHZ input states we deal with a discontinuous exchange of entanglement among the subsystems, facing the still open problem of entanglement sudden death and birth in a multipartite system.Comment: 7 pages, 6 figures, 2 table

Impact of standard nutrition therapy and medical nutrition therapy on the immune status i.e. complement C3 and C4 in severely acute malnourished children

Background: The objective of this study is to scientifically study and assess the levels of C3 and C4 in SAM children pre-and post-supplementation with MNT and SNT.Methods: In this comparative study we have analyzed C3 in 40 severely acute malnourished children pre and post medical nutrition therapy (MNT) and 35 severely acute malnourished children pre and post standard nutrition therapy (SNT) in the age group of 1 month to 3 years and C4 in 40 severely acute malnourished children pre and post medical nutrition therapy (MNT) and 35 severely acute malnourished children pre and post standard nutrition therapy (SNT) in the age group of 1 month to 3 years at LTM medical college and general hospital. C3 and C4 were analyzed by immunoturbidimetric assay method on RX Daytona analyzer.Results: The level of C3 was significantly low prior to the supplementation which increased after nutrition therapy, in both the groups. However, C4 levels decreased in both the groups. This decreased was found to be significant. The decrease of C4 in children supplemented with MNT was greater than those supplemented with SNT children.Conclusions: The values of C3 which increased after supplementation and the decreased values of C4 after supplementation were more significant in the MNT group this confirms MNT is a better therapy for curing malnutrition than that of the SNT

Oxidative stress in HIV positive children

Background: The objective is to assess oxidative stress by measuring the concentration of malondialdehyde in HIV positive children and compare it with normal children (not suffering from any disease) of the same age group.Methods: In this prospective comparative study, we analysed malondialdehyde in 80 HIV positive children in the age group of 6-12 yrs from lower socio-economic strata and compared the values with 85 normal children not infected by any disease, of the same age group and similar socio-economic strata at L.T.M.M. College. Estimation of Malondialdehyde was carried out by using the method of SADASIVUDU by thiobarbituric acid reaction.Results: The level of Malondialdehyde was significantly higher in HIV positive children than in controls.Conclusions: The increased levels of Malondialdehyde confirm the involvement of oxidative stress in the pathophysiology of this infection in childre

Backscattering Differential Ghost Imaging in Turbid Media

In this Letter we present experimental results concerning the retrieval of images of absorbing objects immersed in turbid media via differential ghost imaging (DGI) in a backscattering configuration. The method has been applied, for the first time to our knowledge, to the imaging of small thin black objects located at different depths inside a turbid solution of polystyrene nanospheres and its performances assessed via comparison with standard imaging techniques. A simple theoretical model capable of describing the basic optics of DGI in turbid media is proposed.Comment: 5 pages, 6 figure

Study of oxidative stress biomarkers in obese children

Background: The objective is to study the oxidative stress in obese and non-obese children by assessing the biomarkers of lipid peroxidation and antioxidant status, Malondialdehyde (MDA) and Ascorbic acid (vitamin C) respectively. Childhood obesity is a growing global epidemic that requires attention due to the burden placed on the healthcare system for children and adults. Consumption of fatty foods and a high sugar, fat diet, and no exercise qualify as the main reasons for obesity among children and adults. Childhood obesity is connected with an increased risk of various diseases such as diabetes, cardiovascular, stroke, certain types of cancer later in life, social problems and depression among youths. Obesity is also characterized by chronic low grade inflammation with permanently increased oxidative stress (OS). Over-expression of oxidative stress damages cellular structures together with under-production of anti-oxidant mechanisms, leading to the development of obesity-related complications.Methods: The study involved 25 obese children for Vitamin C, 20 obese children for Malondialdehyde (MDA) and 18 non obese children for both Vitamin C and MDA in the age group of 5-14 years, without any complications. This study was conducted at L.T.M.M College. Plasma Ascorbic Acid was estimated colorimetrically by using 2,6- dicholrophenol indophenol dye and similarly Malondialdehyde was estimated colorimetrically by MDA-TBA colored complex.Results: The study showed significantly higher values of MDA and lower level of Vitamin C in obese children as compared with non-obese children.Conclusions: The levels of lipid peroxidation marker Malondialdehyde (MDA) is higher and level of antioxidant marker Ascorbic Acid (Vitamin C) is lower in obese children as compared with non-obese children. Thereby increasing oxidative stress and hence the oxidative damage to cells

Effect of medical nutrition therapy on vitamin C and malondialdehyde in HIV positive malnourished children

Background: The objective is to assess the effect of medical nutrition therapy on biochemical parameters like Vitamin C and Malondialdehyde by estimating oxidative stress in HIV positive malnourished childrens’ sample. Any alteration in the antioxidant markers can help to assess the effectiveness of MNT as a therapeutic agent. There is limited data on the use of Ready to Use Therapeutic Food (RUTF) in India. Therefore, the study was conducted to determine the effect of prepared Ready to Use Therapeutic Food (RUTF) also termed as Medical Nutrition Therapy (MNT) in HIV positive malnourished children.Methods: In this prospective comparative study, pre MNT and post MNT sample as well as the parameters-Malondialdehyde and Vitamin C were analyzed in 19 HIV positive malnourished children in the age group of 6-12 years at L.T.M.M. College. HIV positive malnourished children showed adverse effects on nutrition as well as immune system. Thus, to supply adequate micronutrients and macronutrients, the subjects were treated with Medical Nutrition Therapy (MNT).Results: The post MNT HIV positive malnourished childrens’ samples revealed significant results than pre MNT HIV positive malnourished childrens’ samples.Conclusions: The level of antioxidant marker (vitamin C) increased and peroxidation marker (MDA) decreased post medical nutrition therapy. The increased post levels of vitamin C activity helped in the eradication of excess free radicals, thereby reducing oxidative stress and hence the oxidative damage to cells as well as inhibiting lipid peroxidation (which is indicated by decreased post level MDA).

Continuous-variable quantum probes for structured environments

We address parameter estimation for structured environments and suggest an effective estimation scheme based on continuous-variables quantum probes. In particular, we investigate the use of a single bosonic mode as a probe forOhmic reservoirs, and obtain the ultimate quantum limits to the precise estimation of their cutoff frequency. We assume the probe prepared in a Gaussian state and determine the optimal working regime, i.e., the conditions for the maximization of the quantum Fisher information in terms of the initial preparation, the reservoir temperature, and the interaction time. Upon investigating the Fisher information of feasible measurements, we arrive at a remarkable simple result: homodyne detection of canonical variables allows one to achieve the ultimate quantum limit to precision under suitable, mild, conditions. Finally, upon exploiting a perturbative approach, we find the invariant sweet spots of the (tunable) characteristic frequency of the probe, able to drive the probe towards the optimal working regime

Evaluasi Sistem Manajemen Keselamatan dan Kesehatan Kerja (SMK3) di Perusahaan Industri Baja

K3 is an activitiy to ensure and protect the safety and health of workers through prevention of occupational accidents and occupational diseases. One of prevention accident method is by SMK3. SMK3 process should begin with good planning so that the application is fits with the policies and objectives expected. Steel company industry has already applied SMK3 which arranged in company management system, but in implementation SMK3 was not applied fully yet. The purpose of this study is to evaluate the application of planning K3 in steel company industry. This study uses qualitative research with observational approach. Informants in this study were employees of company who involved in planning K3. Instrument in this study were manual of interview and observation sheet. Based on the result of indepth interviews and observations, it showed that SMK3 implementation in company not fit fully yet with PP RI nomor 50 tahun 2012, there were some things that have not been completed, which are training and competence planning for employees , explanation of the responsibility and authority for employees level, and procedure of the responsibility change

Analisis Penataan Tempat Kerja di Industri Pembuatan Sepatu ”X” Kota Semarang Berdasarkan Prinsip 5S (Seiri, Seiton, Seiso, Seiketsu, Shitsuke)

5S is a culture about how people treat their workplace properly. If the workplace neat, clean, and orderly, then the ease of individual works can be created, and thus the 4 main targets industrial fields, namely efficiency, productivity, quality, and include safety and health that would be more easily achieved. Basically 5S is a process change in attitude by applying the arrangement and cleanliness of work, or in general is the Occupational Health and Safety ( K3 ). Based on a survey early, workers in this industry still not apply 5S in any stage of the work they do. This is evident from the less organized neat working environment there. The purpose of this study was analyze the arrangement of workplaces in the shoe-making industry "x" in Semarang City based on the principles of 5S. This research is an action research study linking theory with practice. Population in this research is workers in the shoe-making industry "x" as much as 8 workers. Analysis of data used is qualitative using a process of inductive. The results of this study showed that workers in the industry do not know the knowledge of 5S and also did the arrangement based on the principles of 5S workplace. Moreover, even this industry there are no facilities that support the neatness and cleanliness of the workplace. The evaluation results are obtained there were no significant changes to the arrangement of the workplace in the industry. From this study it can be concluded that all workers in this industry have yet to implement good workplace arrangement based on the principles of 5

Analisis Implementasi Sistem Tanggap Darurat Berdasarkan Ohsas 18001:2007 Klausul 4.4.7 di PT X Kalimantan Selatan

OHSAS 18001: 2007 has the objective to protect workers from the occurrence of an emergency. In the event of an emergency, the emergency response team had to perform first aid treatment on the spot, but the distance between the clinic with coal excavation area is quite remote and equipment of first aid box in the area are not yet available and there is no standby team of volunteers. The purpose of this study was to analyze the implementation of emergency response system based on OHSAS 18001: 2007 clause 4.4.7 in PT X South Kalimantan. The benefits of research as input and consideration of the company's emergency response system based on OHSAS 18001: 2007. This study is a qualitative descriptive study with field observations and in depth interviews. The results show there has been no emergency response team officers were on standby coal excavation area. The Company is already providing emergency facilities, but for the amount of first aid box and its contents still not appropriate. First aider in the company does not have a first aid license of the responsible government agency such as kemenaker. Emergency response team has BASARNAS license but the license is not valid. The audit results OHSAS 18001: 2007 in the company if there are findings then immediately followed up as in the company's procedures. Suggestions for PT X South Kalimantan is submitted to the leadership to appoint a field supervisor in each area of the excavation of coal for standby in the area as an first aider, providing first aid boxes in the post-security and area excavation of coal, filed licensing first aider to the leadership for members emergency response team, renew the license BASARNAS owned by the emergency response team