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Frontiers of Economics in China-Selected Publications from Chinese Universities 2019年第1期14卷 110-130页

作者： Nidhi bagaria Saba Ismail Department of Economics Jamia Millia Islamia New Delhi-110025 India

In the light of the fact that there has been substantial growth in China's exports in last three decades, particularly after China joined the WTO in 2001, this article investigates the major sources of China's export performance during 2002-2014 by using the constant market share (CMS) model. In this study, exports are further decomposed in three categories based on their technological intensity using Lail (2000) classification on 3 digit SITC Revision-3 data provided by UN Comtrade via WITS database. The categories are high technology, medium technology and low technology. It is found that growth of China's exports has, moreover, remained above world exports growth in all three categories during the period of study. The analysis reveals that export performance is mainly attributed to 让s competitive strength in the global market, though decreasing trend has been observed in the competitiveness of all three categories. Increasing cost of labor and appreciating RMB could be the causes behind decreasing competitiveness of Chinese exports. Product structure effect, on an average, has turned out to be negative in all the categories which is the most disturbing aspect of China's export performance. On the other hand, geographical structure effect has positive impact on export performance of high-technology based exports whereas it has negative impact on export performance of low-technology and medium-technology based exports. China being the world's largest exporter, decreasing competitiveness and wrong product structure effect could adversely influence its export performance in particular and its growth in general.

关键词： constant market share (CMS) China's share in world exports,export performance market share effect product structure effect geographical structure effect competitiveness hi-tech

Secondary damage in trauma and limited access dressing: a review

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Plastic and Aesthetic Research 2020年第6期7卷 1-11页

作者： Pramod Kumar akriti Gupta Apoorva Gupta Consultant Plastic Surgeon King Fahd Central HospitalJazan 82666Saudi Arabia Resident Physician(Pathology) University of VirginiaCharlottesvilleVA 22903USA Physician(Internal Medicine) Asante Rogue Regional Medical CenterMedfordOR 97504USA

Secondary damage in trauma may increase morbidity,mortality and the cost of treatment *** article reviews the literature of 46 relevant articles on this *** hope to provide a better understanding of the various mechanisms that can lead to secondary damage following major trauma and aim to improve the management of such in trauma *** also explore the utility of limited access dressing and its ability to minimize and treat secondary musculoskeletal *** interdependent cellular mechanisms have been described that contribute and perpetuate secondary tissue damage-lysosomal,protein/enzyme denaturation,membrane permeability and *** changes are mainly due to systemic hypoxia and the systemic inflammatory response *** access dressing appears to be an efficient and cost-effective method for the management of secondary damage,as evidenced by the reduced number of debridements,shorter wound coverage time,and reduction in total length of hospital stay while lowering treatment costs and improving quality of care.

关键词： Trauma secondary damage limited access dressing

Evaluation of artificial intelligence models for osteoarthritis of the knee using deep learning algorithms for orthopedic radiographs

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World Journal of Orthopedics 2022年第6期13卷 603-614页

作者： Anjali Tiwari Murali Poduval Vaibhav bagaria Department of Orthopedics Sir H.N.Reliance Foundation Hospital and Research CentreMumbai 400004India Lifesciences Engineering Tata Consultancy ServicesMumbai 400096India Department of Orthopedics Columbia Asia HospitalMumbai 400004India

BACKGROUND Deep learning,a form of artificial intelligence,has shown promising results for interpreting *** order to develop this niche machine learning(ML)program of interpreting orthopedic radiographs with accuracy,a project named deep learning algorithm for orthopedic radiographs was *** the first phase,the diagnosis of knee osteoarthritis(KOA)as per the standard Kellgren-Lawrence(KL)scale in medical images was conducted using the deep learning algorithm for orthopedic *** To compare efficacy and accuracy of eight different transfer learning deep learning models for detecting the grade of KOA from a radiograph and identify the most appropriate ML-based model for the detecting grade of *** The study was performed on 2068 radiograph exams conducted at the Department of Orthopedic Surgery,Sir HN Reliance Hospital and Research Centre(Mumbai,India)during *** orthopedic surgeons reviewed these independently,graded them for the severity of KOA as per the KL scale and settled disagreement through a consensus *** models,namely ResNet50,VGG-16,InceptionV3,MobilnetV2,EfficientnetB7,DenseNet201,Xception and NasNetMobile,were used to evaluate the efficacy of ML in accurately classifying radiographs for KOA as per the KL *** of the 2068 images,70%were used initially to train the model,10%were used subsequently to test the model,and 20%were used finally to determine the accuracy of and validate each *** idea behind transfer learning for KOA grade image classification is that if the existing models are already trained on a large and general dataset,these models will effectively serve as generic models to fulfill the study’s ***,in order to benchmark the efficacy,the results of the models were also compared to a first-year orthopedic trainee who independently classified these models according to the KL *** Our network yielded an overall high accuracy for detecting KOA,ranging from 5

关键词： Osteoarthritis Artificial intelligence Knee Computer vision Machine leaning Deep learning

Advances in haemostatic sponges: Characteristics and the underlying mechanisms for rapid haemostasis

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Bioactive Materials 2023年第9期27卷 231-256页

作者： akriti Nepal Huong D.N.Tran Nam-Trung Nguyen Hang Thu Ta Queensland Micro-and Nanotechnology Centre Griffith UniversityNathanQueensland4111Australia Australian Institute for Bioengineering and Nanotechnology University of QueenslandSt LuciaQueensland4072Australia Bioscience Discipline School of Environment and ScienceGriffith UniversityNathanQueensland4111Australia

In traumatized patients, the primary cause of mortality is uncontrollable continuous bleeding and unexpected intraoperative bleeding which is likely to increase the risk of complications and surgical failure. High expansion sponges are effective clinical practice for the treatment of wound bleeding (irregular/deep/narrow) that are caused by capillaries, veins and even arterioles as they possess a high liquid absorption ratio so can absorb blood platelets easily in comparison with traditional haemostasis treatments, which involve compression, ligation, or electrical coagulation etc. When in contact with blood, haemostatic sponges can cause platelet adhesion, aggregation, and thrombosis, preventing blood from flowing out from wounds, triggering the release of coagulation factors, causing the blood to form a stable polymerized fibre protein, forming blood clots, and achieving the goal of wound bleeding control. Haemostatic sponges are found in a variety of shapes and sizes. The aim of this review is to facilitate an overview of recent research around haemostatic sponge materials, products, and technology. This paper reviews the synthesis, properties, and characteristics of haemostatic sponges, together with the haemostasis mechanisms of haemostatic sponges (composite materials), such as chitosan, cellulose, gelatin, starch, graphene oxide, hyaluronic acid, alginate, polyethylene glycol, silk fibroin, synthetic polymers silver nanoparticles, zinc oxide nanoparticles, mesoporous silica nanoparticles, and silica nanoparticles. Also, this paper reviews commercial sponges and their properties. In addition to this, we discuss various in-vitro/in-vivo approaches for the evaluation of the effect of sponges on haemostasis .

关键词： Haemostatic sponge Characteristics Mechanism Haemostasis Nanoparticles

Comparative study of CEA and CA19-9 in esophageal,gastric and colon cancers individually and in combination(ROC curve analysis)

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Cancer Biology & Medicine 2013年第3期10卷 148-157页

作者： Bhawna bagaria Sadhna Sood Rameshwaram Sharma Soniya Lalwani Department of Biochemistry S.M.S.Medical College & Hospital Department of Radiotherapy and Oncology S.M.S.Medical College & Hospital Advanced Bioinformatics Centre Birla Institute of Scientific Research

Objective： To determine the clinical serum levels of carcinoembryonic antigen （CEA） and carbohydrate antigen 19-9 （CA19-9）, individually and in combination, for the diagnosis of 50 healthy subjects and 150 cases of esophageal, gastric, and colon cancers. Methods： The sensitivities of the two markers were compared individually and in combination, with specificity set at 100%. Receiver operating characteristic （ROC） curves were plotted. Results： Serum CEA levels were significantly higher in cancer patients than in the control group. The sensitivity of CEA was determined： in esophageal cancer, sensitivity=28%, negative predictive value （NPV）=61.72%, and AUC=0.742 （SE=0.05）, with a significance level of P〈0.0001; in gastric cancer, sensitivity=30%, NPV=58.82%, and AUC=0.734 （SE=0.0S）, with a significance level of P〈0.0001; in colon cancer, sensitivity=74%, NPV=79.36%, and AUC=0.856 （SE=0.04）, with a significance level of P〈0.0001. The sensitivity of CA19-9 was also evaluated： in esophageal cancer, sensitivity=18%, NPV=54.94%, and AUC=0.573 （SE=0.05）, with a significance level of P=0.2054. In gastric cancer, sensitivity=42%, NPV=63.29%, and AUC=0.679 （SE=0.05）, with a significance level of P〈0.0011. In colon cancer, sensitivity=26%, NPV=57.47%, and AUC=0.S80 （SE=0.05）, with a significance level ofP=0.1670. The following were the sensitivities of CEA/CA19-9 combined： in esophageal cancer, sensitivity=42%, NPV=63.29%, SE=0.078 （95% CI： 0.0159-0.322）; gastric cancer, sensitivity=S8%, NPV=70.42%, SE=0.072 （9$% CI： -0.0866-0.198）; and colon cancer, sensitivity=72%, NPV=78.12%, SE=0.070 （9S% CI： 0.137-0.415）. Conclusion： CEA exhibited the highest sensitivity for colon cancer, and CA19-9 exhibited the highest sensitivity for gastric cancer. Combined analysis indicated an increase in diagnostic sensitivity in esophageal and gastric cancer compared with that in colon cancer.

关键词： Carcinoembryonic antigen carbohydrate antigen 19-9, human Receiver operating characteristic curve sensitivity andspecificity

Soft tissue compartment bleed-the iceberg phenomenon:a case report

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Emergency and Critical Care Medicine 2023年第1期3卷 32-35页

作者： Ramesh Vaidyanathan Parvez Mohi Ud Din Dar Dinesh bagaria Amit Gupta Division of Trauma Surgery and Critical Care Jai Prakash Narayan Apex Trauma CenterAll India Institute of Medical SciencesNew DelhiIndia Department of Trauma and Emergency Medicine All India Institute of Medical SciencesVijaypurJammuJammu and KashmirIndia

Introduction:Hemorrhage control is the essence of trauma *** teaching is 1 on the floor(ie,external bleeding)and 4 more(thoracic cavity,abdomen,retroperitoneum,and long bones).In this case report,we present a unique case with concealed bleeding into the soft tissue compartment leading to *** case triggered to consider the soft tissue compartment as the sixth potential bleeding site in trauma patients in hemorrhagic *** presentation:We present the case with concealed bleeding into the soft tissue compartment posing a challenge in *** presentation,he had a pulse rate of 117 beats/min,a blood pressure of 90/60mmHg,and a Glasgow Coma Scale(GCS)score of *** resuscitation,the patient's blood pressure dropped to 70/46 mmHg with a GCS of 7 of *** was then intubated and ***-enhanced computed tomography of the torso revealed a right scapular fracture with a large soft tissue hematoma along the right side of the neck and chest wall,extending up to the right lumbar ***:We suggest that the soft tissue compartment is the sixth potential site of internal bleeding in trauma patients,which should not be overlooked after having ruled out the other 5 sites.

关键词： Case report Hemorrhage Shock Soft tissue injury Trauma

In-Situ Differentiation of Acidic and Non-Acidic Tundra via Portable X-ray Fluorescence (PXRF) Spectrometry

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Pedosphere 2016年第4期26卷 549-560页

作者： Somsubhra CHAKRABORTY David C. WEINDORF GARY J. MICHAELSON Chien Lu PING Ashok CHOUDHURY Tarek KANDAKJI Autumn ACREE akriti SHARMA WANG Dandan Uttar Banga Krishi Viswavidyalaya Cooch Behar 736165 Department of Plant and Soil Science Texas Tech University Lubbock TX 79409 University of Alaska Fairbanks Palmer Research Center Palmer AK 99645 Louisiana State University Agricultural Center Baton Rouge LA 70803 College of Geography and Remote Sensing Nanjing University of Information Science and Technology Nanjing 210044

Frozen soils or those with permafrost cover large areas of the earth's surface and support unique vegetative ecosystems. Plants growing in such harsh conditions have adapted to small niches, which allow them to survive. In northern Alaska, USA, both moist acidic and non-acidic tundra occur, yet determination of frozen soil p Hs currently requires thawing of the soil so that electrometric pH methods can be utilized. Contrariwise, a portable X-ray fluorescence(PXRF) spectrometer was used in this study to assess elemental abundances and relate those characteristics to soil pH through predictive multiple linear regressions. Two operational modes, Soil Mode and Geochem Mode, were utilized to scan frozen soils in-situ and under laboratory conditions, respectively, after soil samples were dried and ground. Results showed that lab scanning produced optimal results with adjusted coefficient of determination(R^2) of 0.88 and 0.33 and root mean squared errors(RMSEs) of 0.87 and 0.34 between elemental data and lab-determined pH for Soil Mode and Geochem Mode, respectively. Even though the presence of ice attenuated fluoresced radiation under field conditions, adjusted R^2 and RMSEs between the datasets still provided reasonable model generalization(e.g., 0.73 and 0.49 for field Geochem Mode). Principal component analysis qualitatively separated multiple sampling sites based on elemental data provided by PXRF, reflecting differences in the chemical composition of the soils studied. Summarily, PXRF can be used for in-situ determination of soil pH in arctic environments without the need for sample modification and thawing. Furthermore, use of PXRF for determination of soil pH may provide higher sample throughput than traditional eletrometric-based methods, while generating elemental data useful for the prediction of multiple soil parameters.

关键词： frozen soil Gelisols Geochem Mode proximal sensing Soil Mode soil pH determination

Current understanding of the impact of COVID-19 on gastrointestinal disease:Challenges and openings

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World Journal of Gastroenterology 2021年第6期27卷 449-469页

作者： Tarun Sahu Arundhati Mehta Yashwant Kumar Ratre akriti Jaiswal Naveen Kumar Vishvakarma Lakkakula Venkata Kameswara Subrahmanya Bhaskar Henu Kumar Verma Department of Physiology All India Institute of Medical ScienceRaipur 492001ChhattisgarhIndia Department of Biotechnology Guru Ghasidas VishwavidyalayaBilaspur 495001ChhattisgarhIndia Department of Zoology Guru Ghasidas VishwavidyalayaBilaspur 495001ChhattisgarhIndia Developmental and Stem Cell Biology Lab Institute of Experimental Endocrinology and Oncology CNRNaplesCampania 80131Italy

The novel coronavirus disease-2019(COVID-19)is caused by a positive-sense single-stranded RNA virus which belongs to the Coronaviridae *** March 2019 the World Health Organization declared that COVID-19 was a ***-19 patients typically have a fever,dry cough,dyspnea,fatigue,and *** patients also report gastrointestinal(GI)symptoms,including diarrhea,nausea,vomiting,and abdominal pain,as well as liver enzyme ***,many studies have found severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)viral RNA in rectal swabs and stool specimens of asymptomatic COVID-19 *** addition,viral receptor angiotensin-converting enzyme 2 and transmembrane protease serine-type 2,were also found to be highly expressed in gastrointestinal epithelial cells of the intestinal ***,SARS-CoV-2 can dynamically infect and replicate in both GI and liver *** together these results indicate that the GI tract is a potential target of ***,the present review summarizes the vital information available to date on COVID-19 and its impact on GI aspects.

关键词： SARS-CoV-2 COVID-19 Gastrointestinal symptoms Recommendation Diagnosis Therapeutics

Assessment of the histological state of the healing wound

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Plastic and Aesthetic Research 2015年第1期2卷 239-242页

作者： akriti Gupta Pramod Kumar Department of Pathology Seth GS Medical College and KEM HospitalMumbai 400012MaharashtraIndia Department of Plastic Surgery King Abdulaziz Specialist HospitalSakaka 42421Al-JoufSaudi Arabia

The dynamic process of wound healing has various phases,and the knowledge of which is essential for identification of the pathology involved in a chronic intractable *** instruments for the assessment of wound healing have been described,primarily for clinical assessment of the ***,very few instruments are currently available for histological grading of the *** aim of this article is to review all available literature from 1993 to 2014 on the objective histological scoring of the state of wound *** review article emphasizes the importance of histological grading of wounds based on the different parameters from each phase of wound healing and the need for an ideal grading system in order to help assessment of wound *** parameter chosen in an experimental model should be defined by the scientific question,the underlying hypothesis and the pathogenesis of the disease.

关键词： Experimental wound assessment grading of wound histopathologic grading wound assessment wound grading wound healing wound histology