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A Retrospective Study on the Prevalence of HIV among Patients Attending a Tertiary Care Hospital of Northeast India

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World Journal of AIDS 2016年第2期6卷 65-73页

作者： Naba Kumar hazarika Syed Tanwir Alam Arunjyoti Sarmah Arnabjyoti Bhagawati Department of Microbiology Gauhati Medical College & Incharge ICTC & SRL GMCH Guwahati India Department of Microbiology Gauhati Medical College Guwahati India Research Scientist I (Medical) Department of Microbiology Gauhati Medical College Guwahati India Technical Officer ICTC & SRL GMCH Guwahati India

Objective: The main objective of this study is to evaluate the prevalence of HIV infection among the clients attending ICTC, Gauhati Medical College & Hospital, Guwahati, for a period of seven years, i.e., from April 2008 to March 2015. Material & Method: A total of 40,983 clients attended ICTC, Gauhati Medical College & Hospital from the year 2008 to 2015. Serum samples were collected after taking informed consent and pre-test counseling. In India for all ICTCs, NACO (National AIDS Control Organization), a national guidelines has been followed for HIV testing, reporting and release of results with post test counseling. Results: Of the total 40,983 clients tested for HIV infection, 1919 (4.68%) were found to be HIV seropositive. Seropositivity was higher in male clients i.e. 1314 (68.47%) than female i.e. 604 (31.47%) followed by transgender (TG), i.e., 1 (0.0005%). Heterosexual route of transmission was the major route seen in 1666 clients (86.81%). Maximum HIV seropositivity was in the age group of 45 - 49 years (43.62%). Conclusion: HIV prevalence of 4.68 % among the clients attending ICTC, Gauhati Medical College & Hospital, Guwahati, puts the spotlight on the HIV burden in this part of the country and suggests the need for the scaling up of focused prevention efforts in high-risk groups.

关键词： Northeast India HIV ICTC Transgender

Optimisation of extrusion cooking conditions and characterization of rice (Oryza sativa)—Sweet potato (Ipomoea batatas) and rice-yam (Dioscorea alata) based RTE products

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Agricultural Sciences 2013年第9期4卷 12-22页

作者： Elina Brahma hazarika Anjan Borah Charu Lata Mahanta Department of Food Engineering and Technology School of Engineering Tezpur University Assam India

Extrusion cooking has been extensively used toproduce variety of foods like ready to eatbreakfast cereals, baby foods, snack foods, etc. Taking rice flour as the base ingredient, two locally available tuberous root vegetables, greater yam(Dioscoreaalata) and sweet potato (Ipomoeabatatas) were used in this study for the development of ready-to-eat breakfast products in asingle screw extruder. During extrusion cooking, the screw speeds ranged from 132 to 468 rpm and the barrel temperatures ranged from 103°C to 137°C. The extrudates were then analyzed for various physical and physicochemical properties. Optimization was done following ResponseSurface Methodology (RSM) using CentralComposite Design. Using screw speed, barrel temperature and feed composition as the three independent variables, the three responses taken were bulk density, expansion index and breaking strength. The optimized conditions wereused for developing 3 new products one of which alsocontained tomato pulp powder. The productswere analyzed for their physical, proximate, sensoryand antioxidant properties. There was significantcolour change in all the three samples as indicated by total colour change (ΔE). Texture analysis of the extrudate samples showed hardness values ranging from 28.68 N to 47.57 N. Amylose content was found to be 15.3% in rice-sweet potato extrudate, 14.7% in rice-yam extrudate and 18.2% in rice-sweet potato-tomato extrudate. The antioxidant profile of the extrudates studiedthrough DPPH (2,2-diphenyl-picryhydrazyl)scavenging activity and FRAP (ferric reducing antioxidant property) showed that the antioxidant capacity in all the 3 extrudates was very low. Rice flour incorporated with sweet potato wasjudged the best on sensory evaluation. Thestudy has shown that both sweet potato and greater yam tubers can be commercially exploited for the development of ready-to-eat (RTE) products.

关键词： Extrusion RSM RTE Physicochemical Properties

Lymphoepithelioma-Like Carcinoma of Parapharyngeal Space—A Case Report with Review of Literature

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International Journal of Otolaryngology and Head & Neck Surgery 2015年第2期4卷 163-168页

作者： Produl hazarika Seema Elina Punnoose John Victor Sreekala Nirmali Dutta Department of ENT NMC Specialty Hospital Abu Dhabi UAE Department of Pathology NMC Specialty Hospital Abu Dhabi UAE Department of Radiology NMC Specialty Hospital Abu Dhabi UAE

Extra-nasopharyngeal lymphoepithelioma-like carcinomas (LELC) are uncommon epithelial tumors. A few isolated case reports and series are available in literature involving the larynx, pharynx, salivary gland, lung etc., but involvement in the parapharyngeal space has not yet been reported. We aim to highlight one such case that has a clinical and radiological characteristic of a benign lesion whilst the histopathology reveals an infiltrating neoplasm. The typical clinical aggressiveness of a classical LELC of extra-nasopharyngeal lesion as described in literature is not present in our case. Also seen is an uncommon finding of abnormal branching of left external carotid artery. There is no standard treatment protocol for such a tumor;however, wide excision of this tumor in the parapharyngeal space via trans-cervical, trans-mandibular, trans-palatal approach has shown good and satisfactory tumor control of the primary site so far.

关键词： Lymphoepithelioma-Like Carcinoma (LELC) Parapharyngeal Space Trans-Cervical Trans-Mandibular Cells in Cords Lymphoplasmacytoid

Cervico-Facial Soft Tissue Emphysema with Pneumo-Mediastinum Following Endoscopic Sinus Surgery: A Dilemma of Related or Unrelated Complication

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International Journal of Otolaryngology and Head & Neck Surgery 2013年第3期2卷 86-89页

作者： Produl hazarika Seema Elina Punnoose Ananth Pai Rajeev Chaturvedi Department of ENT NMC Specialty Hospital Abu Dhabi UAE Department of General Surgery NMC Specialty Hospital Abu Dhabi UAE Department of Radiology NMC Specialty Hospital Abu Dhabi UAE

We present a rare and unusual complication of cervico-facial soft tissue emphysema with pneumo-mediastinum which occurred in a 30-year-old female Jordanian patient in our hospital in October 2010 in Abu Dhabi following FESS. CT scan evaluation of aero-digestive tract in the immediate post-operative period was done to ascertain the cause pertaining to any surgical trauma or anaesthesia related complications. Such a case previously unreported has been included in this study. A simple close monitoring after establishing the cause is usually sufficient in management of such related or unrelated complications during FESS which in our case was likely to be anaesthesia related. Published data of such a complication assists in building up a good and effective medical audit based on ethical practice. This paper stresses the importance of immediate CT scan of aero-digestive tract in evaluating the cause.

关键词： Endoscopic Sinus Surgery Cervico-Facial Emphysema Pneumo-Mediastinum Ethical Practice Medical Audit Extended Indication of Endoscopic Sinus Surgery CT Scan

A model study on the stacking interaction of phenanthroline ligand with nucleic acid base pairs: An ab initio, MP2 and DFT studies

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Journal of Biophysical Chemistry 2011年第2期2卷 153-158页

作者： Pankaj hazarika Bipul Bezbaruah Pranjali Das Okhil Kumar Medhi Chitrani Medhi Chemistry Department Gauhati University P.O Gauhati University Guwahati-781014 INDIA

The stacking of phenanthroline(phen) ligand within base pair sequences is one of the important factors for the stabilization of metalphen complex within DNA. The stacking ability of this ligand has been assessed to deduce the base pair selectivity as well as to identify the favored region of intercalation. Different level of theories have been used to predict the favorable regions for stacking interaction of phen ligand with base pair, but the results of MP2/6-31+G(d,p) is found to be reasonably good for monitoring such interactions.

关键词： Intercalation Stacking Interaction Phenanthroline Ligand Ab initio Basis set

Seismic Performance Evaluation of Improved Jet Grouted Grid Form with Horizontal Slab in Liquefaction Mitigation

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Open Journal of Civil Engineering 2020年第3期10卷 301-320页

作者： Myat Myat Phyo Phyo Hemanta hazarika Li Shi Hiroaki Kaneko Tadashi Akagawa Department of Civil and Structural Engineering Kyushu University Fukuoka Japan Department of Civil Engineering Kyushu University Fukuoka Japan Japan Foundation Engineering Co. Ltd. Tokyo Japan

A chain event of the 2016 Kumamoto earthquakes caused considerable geotechnical damage related to liquefaction in many places around Kumamoto plain. Many low-rise houses and traditional Japanese style houses, which were constructed on shallow foundation, suffered differential settlement and tilting due to liquefaction. To mitigate the building damages due to the liquefaction, a new countermeasure method of jet grout grid form with a horizontal slab is introduced in this study. The effectiveness of the proposed technique was evaluated through physical modelling and numerical modelling. As a part of the physical modelling, a set of 1 g shaking table tests for unimproved case and improved case were performed, in which the mitigation effects of the grid form with a horizontal reinforcing slab were examined based on the acceleration, excess pore water pressure ratio as well as ground settlement. Numerical simulation was also performed for assessing the effect of improved method on soil-structure

关键词： Liquefaction Mitigation Jet Grouting Shaking Table Tests Numerical Simulation

Spectroscopic, Kinetic Studies of Polyaniline-Flyash Composite

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Advances in Chemical Engineering and Science 2011年第2期1卷 37-44页

作者： Raju Khan Puja Khare Bimala Prasad Baruah Ajit Kumar hazarika Nibaran Chandra Dey 不详

Polyaniline-fly ash (PANI-FA) composites were prepared by oxidative polymerization of aniline with fly ash in presence of ammonium persulphate (APS). The PANI-FA composites were prepared with different concentrations of fly ash to aniline ratio. The composites, so prepared, were characterized by UV-vis spectroscopy, Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). The thermal stability was studied by TGA and total weight loss of PANI, FA and PANI-FA composites having FA composition of 0.02%, 0.1%, 0.5% and 1.0% were found to be 82%, 39.%, 67% 65%, 62% and 61%, respectively. The UV-vis spectroscopy of the PANI-FA polymeric composite shows absorption maxima at 315 and 350 nm (due to π-π* transition of the benzenoid rings), and 578-712 nm (due to charge transfer excitations of the quinoid structure), which are characteristic of emeraldine base. FTIR spectra of the PANI-FA composite is similar to that of pure polyaniline (PANI) but with the bands for C=N, C=C and C-N shifted to lower wave numbers, i.e., 1585, 1494, 1327 and 1113 cm?1 due to strong interaction of Fe2O3 and PANI matrix. SEM shows the complexation of metal oxide with emaraldine base of PANI, significantly changing the aggregate state of polymeric molecular chain.

关键词： Polyaniline Fly-Ash TGA UV-Vis Spectroscopy FT-IR Kinetic Study and SEM

A Biphenotypic (Mixed Phenotypic) Acute Leukemia: Report of Two Cases with Immunophenotypic Study

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Open Journal of Blood Diseases 2013年第2期3卷 65-68页

作者： Anupam Sarma Jagannath Dev Sharma Chidananda Bhuyan Munlima hazarika Amal Chandra Kataki Department of Gynecologic Oncology Dr. B. Borooah Cancer Institute Guwahati India Department of Medical Oncology Dr. B. Borooah Cancer Institute Guwahati India Department of Pathology Dr. B. Borooah Cancer Institute Guwahati India

Biphenotypic acute leukemia (BAL) is an uncommon clinical entity. It is a type of acute leukemia with features characteristic of both the myeloid and lymphoid lineages and for this reason is designated as mixed-lineage, hybrid or biphenotypic acute leukemia. As strict diagnostic criteria have only recently been established, the precise incidence among acute leukemia is uncertain, although it is likely to account for approximately less then 5% of all acute leukemia. BAL is now collectively considered as “mixed phenotype acute leukemia” (MPAL). We hereby report two cases of a rare disease, BAL from our institution in the light of morphology, cytochemistry, flow cytometry and review of literature regarding these cases are described.

关键词： Biphenotypic Acute Leukaemia (BAL) Mixed Phenotype Acute Leukemia (MPAL) Flow Cytometry Cytochemistry

Theoretical comparison of activities of five new synthetic derivatives of Artemisinin

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Theoretical comparison of activities of five new synthetic d...