29 research outputs found

    A new deduplication and reduce communication overhead in cloud

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    We exhibited a novel way to deal with understand a property based capacity framework supporting secure deduplication. Our capacity framework is worked under a mixture cloud engineering, where a private cloud controls the calculation and an open cloud deals with the capacity. The private cloud is given a trapdoor key related with the comparing ciphertext, with which it can exchange the ciphertext more than one access strategy into ciphertexts of the equivalent plaintext under some other access approaches without monitoring the fundamental plaintext. Subsequent to accepting a capacity ask for, the private cloud first checks the legitimacy of the transferred thing through the appended evidence. On the off chance that the confirmation is legitimate, the private cloud runs a label coordinating calculation to see whether similar information hidden the ciphertext has been put away. Provided that this is true, at whatever point it is vital, it recovers the ciphertext into a ciphertext of the equivalent plaintext over an entrance approach which is the association set of both access strategies

    Finite Element Analysis of Propeller Shaft for Automotive and Naval Application

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    The Drive shaft is mainly used for power transmission from the engine to the rear differential. Parts are created by using creo software and the assembled model is exported to analysis Parasolid file and various analysis are performed. Structural analysis of drive shaft to with stand a torque of 10000nm at one where other side is fixed. Use of conventional steel for manufacturing of drive shaft has many disadvantages such as low specific stiffness and strength. Conventional drive shaft is made up into two parts to increase its fundamental natural bending frequency. Two-piece drive shaft increases the weight of drive shaft which is not desirable in today’s market. Many methods are available at present for the design optimization of structural systems and these methods based on mathematical programming techniques involving gradient search and direct search. These methods assume that the design variables are continuous. But in practical structural engineering optimization, almost all the design variables are discret

    Detection of Toxigenic and Atoxigenic Strains of Aspergillus flavus in Telangana and Andhra Pradesh

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    In groundnut Aspergillus flavus causes aflatoxin contamination which is a qualitative problem occurring at both pre-and post-harvest stages. These aflatoxins have carcinogenic, hepatotoxic, teratogenic and immuno-suppressive effects. The A. flavus strains which produces aflatoxins are called as toxigenic and which do not produce toxins are called as atoxigenic starins. To detect the toxigenic and atoxigenic starins of A. flavus from Telangana and Andhra Pradesh (AP), pod samples were collected from eight selected oil mills/traders’ in Mahaboobnagar, Rangareddy, Nizamabad, Karimnagar (Telangana); and Anantapur (AP) districts. A total of 24 A. flavus cultures were isolated from the collected pod samples. These isolates were identified as toxigenic/atoxigenic using cultural detection methods on Yeast extract sucrose (YES) media and coconut agar medium (CAM). Based on cultural methods, it was confirmed that there were18 toxigenic, five atoxigenic and one false positive/negative strain out of the 24 A. flavus isolates obtained from surveyed oil mills. Atoxigenic strains were obtained from Karimnagar and Nizamabad districts of Telangana

    Prevalence of Aspergillus flavus Infection and Aflatoxin Contamination of Groundnut in Telangana and Andhra Pradesh

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    Aflatoxin contamination is a qualitative problem in groundnut (Arachis hypogaea L.) occurring at both pre-and post-harvest stages. These aflatoxins are secondary metabolites produced by Aspergillus flavus and A. parasiticus and have carcinogenic, hepatotoxic, teratogenic and immuno-suppressive effects. To evaluate the prevalence of A. flavus infection and aflatoxin contamination in groundnut oil mills/traders’ of Telangana and Andhra Pradesh (AP) pod samples were collected from eight selected oil mills/traders’ in Mahaboobnagar, Rangareddy, Nizamabad, Karimnagar (Telangana); and Anantapur (AP) districts. A total of 24 pod samples were collected (Three samples from the each selected oil mill). Aflatoxin contamination in kernels was estimated by indirect competitive ELISA. In Telangana, kernel infection ranged from 42 (Mahaboobnagar) to 90.7% (Nizamabad). In AP, Tadimarri mandal recorded kernel infection up to 29.3% whereas Tadipatri recorded up to 59.3%. Aflatoxins in kernels from these mills in Telangana were highest in Rangareddy (1205.2 µg kg-1 ) followed by Karimnagar (365.5 µg kg-1 ). Oil mills of Nizamabad and Mahaboobnagar have recorded aflatoxins to a tune of 4.9 and 11.5 µg kg-1 in Telangana. In AP, aflatoxins in pod samples were 2.8 µg kg-1 (Tadipatri) and 6148.4 µg kg-1 (Tadimarri)

    Rectal artemisinins for malaria: a review of efficacy and safety from individual patient data in clinical studies

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    <p>Abstract</p> <p>Background</p> <p>Rectal administration of artemisinin derivatives has potential for early treatment for severe malaria in remote settings where injectable antimalarial therapy may not be feasible. Preparations available include artesunate, artemisinin, artemether and dihydroartemisinin. However each may have different pharmacokinetic properties and more information is needed to determine optimal dose and comparative efficacy with each another and with conventional parenteral treatments for severe malaria.</p> <p>Methods</p> <p>Individual patient data from 1167 patients in 15 clinical trials of rectal artemisinin derivative therapy (artesunate, artemisinin and artemether) were pooled in order to compare the rapidity of clearance of <it>Plasmodium falciparum </it>parasitaemia and the incidence of reported adverse events with each treatment. Data from patients who received comparator treatment (parenteral artemisinin derivative or quinine) were also included. Primary endpoints included percentage reductions in parasitaemia at 12 and 24 hours. A parasite reduction of >90% at 24 hours was defined as parasitological success.</p> <p>Results</p> <p>Artemisinin and artesunate treatment cleared parasites more rapidly than parenteral quinine during the first 24 hours of treatment. A single higher dose of rectal artesunate treatment was five times more likely to achieve >90% parasite reductions at 24 hours than were multiple lower doses of rectal artesunate, or a single lower dose administration of rectal artemether.</p> <p>Conclusion</p> <p>Artemisinin and artesunate suppositories rapidly eliminate parasites and appear to be safe. There are less data on artemether and dihydroartemisinin suppositories. The more rapid parasite clearance of single high-dose regimens suggests that achieving immediate high drug concentrations may be the optimal strategy.</p

    Evaluation of Vascular Malformations on SWI in Patients Presented with Acute Stroke in 3T MRI

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    Background: Susceptibility-weighted imaging (SWI) had high spatial resolution 3D gradient-echo MRI sequence with phase post-processing that accentuates the paramagnetic properties of blood products.Aim: Significance of SWI sequence in detecting occult vascular lesions in patients with acute stroke.Method: A prospective study of 75 patients done in the department of Radio-diagnosis at tertiary care centre. Patients who were having symptoms of stroke and suspected vascular malformations of the brain were advised MRI Brain. Stroke Profile with SWAN, FLAIR, DWI &amp; ADC done on 3T MR machine. SWI images were retrospectively examined by 2 independent radiologists. Their findings were then compared to study the efficacy of SWI in better detection and characterization of lesions.Results: Of 75 cases, 61 had microbleeds, 9 patients had cavernomas, venous angiomas in 4 patients and Arterio-venous malformation in one patient. SWI was highly sensitive and specific towards the detection of vascular malformations of the brain. Conclusion: SWI images are fast sequences requiring not more than a total scan time of about 3 minutes. Inclusion of this sequence as a part of brain pathology can play an important role in diagnosing different brain lesions without missing hemorrhagic lesions thus avoiding inappropriate therapeutics

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    Not AvailableIncreased edible oil demand in the country propel to probe the production constraints in oilseeds cultivation. Andhra Pradesh is one of the major states in India in terms of area and production of important oilseed crops. Present study investigates the production constraints faced by the farmers in groundnut, sesame and sunflower cultivation in the state. Stratified multistage random sampling technique was adopted for the sample design encompassing the sample size of 440 oilseed farmers. Sampled farmers were personally interviewed with the help of pre-tested schedules. Garrett’s ranking technique was used to rank the intensity indicated by the respondents among different constraints. To conclude, factors viz., the lower spread of suitable high yielding varieties/hybrids, moisture stress, high costs of production; untimely availability of inputs; low and fluctuating prices were found to be some of the key production constraints confronted at the farm level for the cultivation of all the three important oilseed crops in the state.Not Availabl

    Anatomical variations of posterior inferior cerebellar artery (PICA) on digital subtraction angiography (DSA)

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    Introduction: The posterior inferior cerebellar artery (PICA) often exhibits anatomical variations at the craniovertebral junction. Few studies investigated variations of the posterior inferior cerebellar artery, and the prevalence of other variations has not been reported. The study aimed to identify variations of the posterior inferior cerebral artery using cerebral Digital Subtraction Angiography (DSA). Method: 50 patients underwent 64-slice cerebral Digital Subtraction Angiography. Four types of variations were observed. Results: Out of a total of 50 patients, 23 (46%) were males and 27 (54%) females (all age groups). Our study has shown the utility of the 2 sequences - fluoroscopy and cine. All 2 sequences have their significance in evaluating anatomical variations in PICA. Only 20% of the 50 patients had all the posterior inferior cerebellar artery without anatomical variations. Anatomic variations commonly involve the distal segment of the vertebral artery (VA). Most of them are seen arising from the C1, C2, and both C1 and C2 origins. Anatomic variations involve arising from the C1 origin in 9 patients, C2 origin in 11 patients, C1 &amp; C2 origin in 8 patients, and other variations observed in 12 patients. Conclusion: Variations of the posterior inferior cerebellar artery can be easily evaluated by cerebral Digital Subtraction Angiography (CDSA). Recognizing and reporting them at cerebral CDSA may be clinically important. Surgeons should be mindful of this variation during operations
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