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RISS 인기검색어
- 검색키워드
- 저자 : Arvind Kumar Jha (검색결과 5 건)
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Shivanshi,Arvind Kumar Jha,Mohammad Parwez Akhtar 대한토목학회 2022 KSCE JOURNAL OF CIVIL ENGINEERING Vol.26 No.9
The susceptible behavior of sulphatic soil with lime treatment is explored mostly by using gypsum. However, the effect of varying sulphate cations contamination in the behavior of chemically treated soils with calcium based stabilizers has not been given attention properly. Hence, the present study explores the influence of soluble monovalent sodium sulphate (Na2SO4) on the physical and strength behavior of untreated and treated expansive soil with lime. Further, research works are extended to establish the soluble Na2SO4 concentration that can affect adversely to the lime treatment in comparison to untreated soil and its mechanism is elucidated using detailed physicochemical and microanalyses. The results reveal that the soluble Na2SO4 contamination of both untreated and lime treated soil has shown an increase in the MDD and reduction in OWC with a marginal effect on the plasticity characteristics. The soluble Na2SO4 contamination accelerates the early strength in the treated soil as compared to the same with untreated soil. On the contrary, longer curing periods and higher sulphate concentrations beyond 20,000 ppm lead to distress in the strength of untreated and treated soil. Multiple factors that can control the behavior of both untreated and treated soil upon soluble Na2SO4 concentration such as cation position in lyotropic series, ionic reactions and its products are evidenced using the microanalyses (SEM, XRD, EDAX, TGA, FTIR) and physicochemical changes (pH and EC).
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Deepak Kumar Jha,Anil Thakur,Mukul Jain,Arvind Arya,Chandrabhushan Tripathi,Rima Kumari,Suman Kushwaha 대한척추외과학회 2016 Asian Spine Journal Vol.10 No.6
Study Design: Prospective clinical study. Purpose: To observe the usefulness of anterior cervical osteophytes as intrinsic markers for spinal level localization (SLL) during sub-axial cervical spinal surgery via the anterior approach. Overview of Literature: Various landmarks, such as the mandibular angle, hyoid bone, thyroid cartilage, first cricoid ring, and C6 carotid tubercle, are used for gross cervical SLL; however, none are used during cervical spinal surgery via the anterior approach. We present our preliminary assessment of SLL over anterior vertebral surfaces (i.e., intrinsic markers) in 48 consecutive cases of anterior cervical spinal surgeries for the disc-osteophyte complex (DOC) in degenerative diseases and granulation or tumor tissue associated with infectious or neoplastic diseases, respectively, at an ill-equipped center. Methods: This prospective study on patients undergoing anterior cervical surgery for various sub-axial cervical spinal pathologies aimed to evaluate the feasibility and accuracy of SLL via intraoperative palpation of disease-related morphological changes on anterior vertebral surfaces visible on preoperative midline sagittal T1/2-weighted magnetic resonance images. Results: During a 3-year period, 48 patients (38 males,10 females; average age, 43.58 years) who underwent surgery via the anterior approach for various sub-axial cervical spinal pathologies, including degenerative disease (n= 42), tubercular infection (Pott’s disease; n=3), traumatic prolapsed disc (n=2), and a metastatic lesion from thyroid carcinoma (n=1), comprised the study group. Intrinsic marker palpation yielded accurate SLL in 79% of patients (n=38). Among those with degenerative diseases (n=42), intrinsic marker palpation yielded accurate SLL in 76% of patients (n=32). Conclusions: Intrinsic marker palpation is an attractive potential adjunct for SLL during cervical spinal surgeries via the anterior approach in well-selected patients at ill-equipped centers (e.g., those found in developing countries). This technique may prove helpful when radiographic visualization is occasionally inadequate.
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Traditional uses, phytochemistry and pharmacology of Bauhinia racemosa Lam - a review
Vishal Soni,Arvind Kumar Jha,Jaya Dwivedi,Priyanka Soni 셀메드 세포교정의약학회 2015 TANG Vol.5 No.4
Bahunia racemosa family, Caesalpiniaceae, is one of the precious resources of the earth. It has played a significant role in human civilization since ancient times. It is tall sized tree growing throughout India, Ceylon, China, and Timor. The different part of this plant contains β-sitosterol and β-amyrin, flavonols (kaempferol and quercetin) and two coumarins (scopoletin and scopolin), tannins etc. Various part of this plant has great pharmacological potential with a great utility and usage as folklore medicine as analgesic, antipyretic, anti-inflammatory, antispasmodic and antimicrobial activity. This review mainly focus on the exclusive review work on the traditional, phytochemical and pharmacological activities of this plant.
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Traditional uses, phytochemistry and pharmacological profile of Bambusa arudinacea Retz
Vishal Soni,Arvind Kumar Jha,Jaya Dwivedi,Priyanka Soni 셀메드 세포교정의약학회 2013 셀메드 (CellMed) Vol.3 No.3
Bambusa arundinacea family Graminae, is one of the precious plant resources of the earth. It has played a significant role in human civilization since ancient times. It is tall sized tree growing throughout India, moist parts of India. It also occurs in Sri Lanka, Malaya, Peru and Myanmar. The different parts of this plant contain silica, cholin, betain, cynogenetic glycosides, albuminoids, oxalic acid, reducing sugar, resins, waxes, benzoic acid, arginine, cysteine, histidine, niacin, riboflavin, thiamine, protein, gluteline, contains lysine, methionine, betain, cholin, proteolytic enzyme, nuclease, urease. Various parts of this plant such as leaf, root, shoot and seed possess anti-inflammatory, antiulcer, anti-diabetic, anti-oxidant, anthelmintic, antifertility, antibacterial, insectisidal, antiarthritic, vessele protection etc. This review mainly focuses on the traditional, phytochemical and pharmacological information of Bambusa arundinacea.
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Variations in human pulmonary fissures and lobes:
Sudikshya KC,Pragya Shrestha,Aashish Kumar Shah,Arvind Kumar Jha 대한해부학회 2018 Anatomy & Cell Biology Vol.51 No.2
The fissures of lungs are embryologically separating the bronchopulmonary segments, which later on persist in interlobar planes of fully developed lung. Fifty lungs (23 right side and 27 left side), obtained during routine dissection and preserved in formalin constituted the material for present study. In them, variations in fissures and lobes of lung were observed and compared with the previous studies. Seven right sided and 14 left sided lungs showed incomplete oblique fissure. Incomplete horizontal fissure of right lung was observed in eight lungs while it was completely missing in three specimens. A right lung with “lobe of the azygos vein” separated by a supernumerary fissure in medial surface was found. One of the right lung had both superior accessory fissure and inferior accessory fissure and four other right lungs and one left lung presented only with inferior accessory fissure. A vertical notch was found in middle lobe of one right lung. Eight left lungs exhibited with left minor fissure among them two lungs had lingula appearing as a separate lobe. Knowledge of variations in fissures and lobes is of interest to all medical professionals to exactly interpret radiographs, computed tomography scans, to diagnose, plan and modify a surgical procedure depending on the merit of the case and also in certain classical clinical cases pertaining to lung pathologies.
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