121 research outputs found

    RANCANG BANGUN EXHAUST GAS TEMPERATURE SENSOR PADA PESAWAT UDARA (PERAWATAN)

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    Sistem indikasi pada engine adalah sistem yang memanfaatkan tekanan, kecepatan rotor dari kompressor dan temperatur gas buang dengan tujuan untuk memonitor cara kerja dari suatu engine. Sistem indikasi ini terbagi menjadi dua kategori yaitu daya dan temperatur. Kategori daya terdiri dari rasio tekanan engine, high pressure compressor rotor tachometer system dan low pressure compressor rotor tachometer system. Sementara kategori temperatur terdiri dari sistem temperatur gas buang. Temperatur gas buang engine dideteksi oleh thermocouple yang dipasang di saluran pembuangan. Temperatur rata-rata dari saluran pembuangan ditunjukkan pada angka 0 di flight compartment. Rancang bangun sensor temperatur gas buang pada pesawat udara ini bertujuan untuk menjadi sebuah media dan sarana pendukung dalam pembelajaran. Dengan adanya alat ini diharapkan siswa dapat melihat langsung cara kerja dari sensor temperatur gas buang pada pesawat udara, sehingga siswa dapat mengerti cara kerja dari sistem temperatur gas buang pada pesawat udara

    Use of KMC Health Sciences Library Portal by Postgraduate Students and Faculty Members of Manipal College of Pharmaceutical Sciences, MAHE, Manipal, India

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    The paper examines the use of KMC Health science Library Portal by the postgraduate students and faculty members of Manipal College of Pharmaceutical Sciences (MCOPS), MAHE, Manipal. A total of 60 questionnaires were administered to 45 postgraduate students and 15 faculty members of MCOPS, Manipal. All the filled in questionnaires were returned by the respondents, and hence the response rate is 100%. The findings indicated that faculty members use the library portal more frequently than the postgraduate students. 60% of postgraduate students and 66.7% of the faculty members stated that KMC Health Sciences Library portal had influenced their research process. The findings revealed that postgraduate students and faculty members of MCOPS, Manipal are satisfied with the quality, contents, and arrangement of links and layout of the library portal

    Evaluation of salivary parameters and dental status in adult hemodialysis patients in an indian population

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    Renal failure is a process that expresses a loss of functional capacity of the nephrons, independently of its etiology. The most widely used technique to combat renal failure is hemodialysis. Renal failure causes various systemic alterations including oral complications such as variations in the flow and composition of the saliva. Caries is a multifactorial disease and impaired stimulated salivary flow rate and buffering capacity are the best-known risk factors. The present study aims to evaluate the salivary pH, buffering capacity and the flow rate of saliva to the DMFT status in adult hemodialysis patients among the Indian population. Twenty healthy individuals and sixty patients undergoing hemodialysis were divided into four groups based on the following criteria: Group 1: Control group; healthy individuals,Group 2: Patients before undergoing dialysis or undergoing dialysis2 years. Dental examinations were performed according to the modified WHO oral health survey 2013 criteria and DMFT index. Saliva was collected after pre-stimulation to measuring the flow rate, buffering capacity and pH. The results exhibited a decrease in the salivary flow rate and buffering capacity with the increase in the time interval of hemodialysis, but salivary pH was found to be increasing with time. A direct relationship was seen between the DMFT scores with the increasing time interval. There was a significant correlation between DMFT index, stimulated salivary flow rate, and buffering capacity in the patients. Oral health impairment can beacon to grave problems in infection-prone hemodialysis patients. Hence, the patients on hemodialysis should have regular dental examinations and treatment. Regular dental examination and instruction in patients awaiting a renal transplantation is of vital importance to ensure optimal oral health

    Ossification of yellow ligament-lesser known common cause of thoracic myelopathy in Indian subcontinent treated surgically

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    Background: To undertake a study which outlines the clinical and radiological features of ossification of yellow ligament (OYL) causing thoracic myelopathy (TM) in Indian subcontinent, to assess the outcomes of surgical resection of yellow ligament and compare different preoperative factors that contribute to be a risk factor in the overall post-surgical recovery rates (RR). Methods: A retrospective analysis of prospectively collected data from a cohort of 45 patients who visited our spine OPD from January 2012 to December 2019 who underwent surgical decompression for TM due to OYL was studied. The surgical outcomes and RR were calculated, compared and pre operative risk factors which could possibly be involved in giving poorer RR were analysed. Results: Our study included 45 patients who underwent surgical resection of OYL for TM. On comparison of post operative improvement in myelopathic symptoms, pre-operative mJOA score of 4.56 had increased significantly to 7.83 at 2 years follow up. While the majority (80%) of patients had an excellent and good recovery rate while 16% of patients had a fair recovery rate and 4% had no change at all in comparison to pre-operative mJOA scores. Preoperative risk factors for poor outcomes were also analysed. Conclusions: Early and timely before the onset or progression of any neurologic involvement. The pre operative risk factors which could give guarded prognosis and lower RR are, the presence of intramedullary signal changes (myelomalacia), >6-10 months of progressive pre operative symptoms and an mJOA<5

    An Efficient Lightweight Provably Secure Authentication Protocol for Patient Monitoring Using Wireless Medical Sensor Networks

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    The refurbishing of conventional medical network with the wireless medical sensor network has not only amplified the efficiency of the network but concurrently posed different security threats. Previously, Servati and Safkhani had suggested an Internet of Things (IoT) based authentication scheme for the healthcare environment promulgating a secure protocol in resistance to several attacks. However, the analysis demonstrates that the protocol could not withstand user, server, and gateway node impersonation attacks. Further, the protocol fails to resist offline password guessing, ephemeral secret leakage, and gateway-by-passing attacks. To address the security weaknesses, we furnish a lightweight three-factor authentication framework employing the fuzzy extractor technique to safeguard the user’s biometric information. The Burrows-Abadi-Needham (BAN) logic, Real-or-Random (ROR) model, and Scyther simulation tool have been imposed as formal approaches for establishing the validity of the proposed work. The heuristic analysis stipulates that the proposed work is impenetrable to possible threats and offers several security peculiarities like forward secrecy and three-factor security. A thorough analysis of the preexisting works with the proposed ones corroborates the intensified security and efficiency with the reduced computational, communication, and security overheads

    Treatment of proximal tibia fractures with locking compression plate: a prospective study

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    Background: With the rise in the incidence of proximal tibia fractures in India due to road traffic accidents, this prospective study was intended to assess the operative procedure in the management of such fractures using the locking compression plate (LCP).Methods: 30 subjects attending the study site scheduled to undergo the defined surgery were enrolled as per the study selection criteria.Results: A total of 30 patients with proximal tibia fractures were enrolled. Majority of cases were due to RTAs, with a higher incidence of types IV, V and VI. Average time for union of fracture ranged from around 16-24 weeks. 23 patients were treated with ORIF and 7 patients were treated with MIPO technique. Three different principles of fixation were done using the LCP, viz. compression, bridging and combined. Functional outcome was evaluated, which revealed excellent results in 53.33% patients, good results in 30% patients, fair results in 13.33% results, while 3.33% had poor outcomes.Conclusions: Based on the findings of the present study we can conclude that overall Locking Compression plate (LCP) for fractures of the proximal tibia is a useful adjunct in the management of trauma patients. The locking compression plate system with its various type of fixation act as a good biological fixation including difficult fracture situations

    Determine the functional and radiological outcome of T3 proximal femur nail in the treatment of intertrochanteric fracture of femur

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    Background: T3 is the new generation nail used for fixation of intertrochanteric fractures. The lag screw is designed to transfer the load of the femoral head into the nail shaft by bridging the fracture line to allow fast and secure fracture healing. The load carrying thread design of the T3 lag screw provides large surface contact to the cancellous bone, this provides high resistance against cut out.Methods: 30 subjects attending the study were operated with T3 proximal femur nail in the treatment of intertrochanteric fracture of femur. Prospective, randomised case-controlled study done over period of 1 year.Results: Significant results were obtained while comparing the mean RUSH score and mean Harris hip score at different postoperative follow-up time intervals with good to excellent outcome and less operative time and low complications rate.Conclusions: T3 is the new generation nail used for fixation of intertrochanteric fractures and is a dependable implant for the fixation. It has good to excellent outcomes and takes less operative time with low complication rates. The anatomical shape of the nail is universal for all indications involving the treatment of intertrochanteric fractures. The load carrying thread design of the T3 lag screw provides large surface contact to the cancellous bone, thus providing high resistance against cut out. The set screw prevents rotation of the lag screw. The T3 has a single screw passing into the neck of the femur and its Set Screw that is passed into the proximal part of the femoral nail sits into the groove of the Lag screw, thus providing rotational stability

    TORC1 phosphorylates and inhibits the ribosome preservation factor Stm1 to activate dormant ribosomes

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    Target of rapamycin complex 1 (TORC1) promotes biogenesis and inhibits degradation of ribosomes in response to nutrient availability. To ensure a basal supply of ribosomes, cells preserve a small pool of dormant ribosomes under nutrient-limited conditions. The regulation of dormant ribosomes is poorly characterized. Here, we show that upon inhibition of TORC1 by rapamycin or nitrogen starvation, Stm1 (suppressor of target of Myb protein 1) forms non-translating, dormant 80S ribosomes. Furthermore, Stm1-bound 80S ribosomes are protected from proteasomal degradation. Upon re-feeding, TORC1 directly phosphorylates and inhibits Stm1, thereby reactivating translation. Finally, SERBP1 (SERPINE1 mRNA binding protein), a mammalian ortholog of Stm1, forms dormant 80S ribosomes upon mTORC1 inhibition in mammalian cells. Thus, TORC1 regulates ribosomal dormancy in an evolutionarily conserved manner via a ribosome preservation factor

    Thoracic outlet syndrome due to compression of subclavian artery at first rib

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    Thoracic Outlet Syndrome (TOS) refers to a constellation of signs and symptoms that arise from compression of the neurovascular bundle within the confined space of the thoracic outlet. Neurogenic (nTOS) from brachial plexus compression (95%), venous (vTOS) from subclavian vein compression (3%), & arterial (aTOS) from subclavian artery compression (1%). Most common clinical presentation of aTOS patients is distal upper extremity arterial emboli in otherwise healthy patient. Presenting a case report of arterial thoracic outlet syndrome.

    PRESURGICAL NASOALVEOLAR MOLDING ASSISTED PRIMARY RECONSTRUCTION IN 5-DAY OLD INFANT WITH UNILATERAL CLEFT LIP, ALVEOLUS AND PALATE USING PSIO-J HOOK APPLIANCE A CASE REPORT.

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    Introduction: Management of cleft patients is quite challenging and controversial. Advances in reconstructive surgery have significantly improved the quality of repair for cleft of the lip, alveolus and palate. This case report describes a new approach of presurgical nasoalveolar molding (PNAM) therapy in a 5 day old infant using PSIO-J hook appliance. Methods: Lip taping was started on the initial visit using 3M Steri- Strip. Initial impressions were made to fabricate the PSIO appliance. On second visit appliance was delivered to approximate the cleft alveolus. Once the cleft gap has been reduced to approximately 5 mm a J- hook modification was given to avoid bulkiness and thereby enhancing retention. Conventional nasal stent exerts a reciprocal intraoral molding force against the alveolar segments hence this drawback was eliminated by using J-hook modification appliance. Following surgical repair of lip, the lip was taped for several weeks and the use of PSIO-J hook appliance was discontinued. Results: There was significant improvement in nasal tip projection, columella size on cleft side and position of lower lateral cartilages as well as approximation of the lip segments. Additionally the alveolar defect reduced from 14mm to 3mm from pre NAM to post NAM. Conclusion: The pre-surgical nasoalveolar molding assisted primary reconstruction using PSIO-J hook appliance results is an overall improvement in the esthetics of the nasolabial complex in cleft conditions while minimizing the extent of surgery and the overall number of surgical procedures
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