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A Modified Enhanced Recovery after Surgery (ERAS): Use and Surgical Outcome in Breast Cancer Patients

Journal of Biosciences and Medicines 2018年第3期6卷 15-25页

作者： Tajudeen A.Wahab Hanna Uwakwe Maher Jumah Rilwan Aransi humayun kabir khan Elm Breast Care Centre BarkingHavering and Redbridge University Hospitals NHS TrustKing George HospitalLondonUK

Background: ERAS protocols are perioperative interventions aimed at reducing postoperative complications, length of hospital stay (LOS) and early return to normal activities. This has improved outcome in many surgical specialties, including breast surgery. We present the surgical outcome of breast cancer (BC) patients treated over a 12-month period following the principle of ERAS protocols and highlight the underpinning evidence. Methods: A retrospective analysis of all BC patients diagnosed and had breast cancer surgery over 12 months. Data collected included patient’s demographics, type of surgery, LOS, other perioperative care and significant postoperative complications. Excluded were patients with bilateral cancer surgeries, diagnostic excision, margin clearance or breast reconstruction. Results: There were 621 BC diagnosed including 5 male and 12 bilateral female BC. The ages ranged from 25 to 93 years. Excluding bilateral BC, 351 patients (70.2 %) had breast conserving surgery (BCS) while 149 (29.8%) patients had mastectomy as index cancer surgery. Sixteen (4.5%) of the women who initially underwent BCS subsequently had a completion mastectomy. The overall rate of successful BCS was 335/500 (67%). 441 (85.5%) of patients were discharged same or next day. 12 (7.2%) cases of postoperative haematoma, 6 cases of wound infection and a case of seroma requiring surgical/radiological drainage recorded. Conclusion: ERAS protocol in BC surgery is associated with decreased LOS and low complication rate. Delayed discharges are mostly due to adverse social factors and medical comorbidity rather than post-operative surgical complications.

关键词： ERAS^(■) Breast Cancer Surgical Outcome

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Sustainable Denim Washing by Process Optimization

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Journal of Textile Science and Technology 2022年第4期8卷 149-162页

作者： Md. Abu Bakar Siddiquee A. T. M. Gulam Moula Joy Krisna Saha Md. humayun kabir khan Zihan Kaisar Abhijit Roy Department of Textile Engineering Mawlana Bhashani Science & Technology University Tangail Bangladesh Department of Fabrics Engineering Bangladesh University of Textiles Dhaka Bangladesh

Now-a-days sustainability is a crucial issue in denim washing. This research initiative is performed aiming to resolve the crisis of sustainability in denim washing by process optimization technique which highlights the reduction of water, chemical and time as well as costing of denim garments. In this research work, process optimization technique is administered by reducing several wash & chemical application baths into a single bath confirming without alteration of physical properties and color fastness of denim fabric. For confirmation without alteration of physical properties and color fastness, several tests are carried out like tensile and tear strength, color fastness to rubbing, color fastness to wash, color fastness to water, color fastness to perspiration and CMC (Carboxy Methyl Cellulose) value for both conventional and sustainable washing method. BOD, COD and pH of waste water is determined which shows better result in sustainable washing method also. Reduction of rinsing time in sustainable washing method results in less consumption of water by 475 and process time by 19% and also saves $0.34/ dozen garments which validate the cost effectiveness of this sustainable washing method.

关键词： Sustainability Denim Wash Color Fastness Cost Analysis

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Recent research and progress of biodegradable zinc alloys and composites for biomedical applications: Biomechanical and biocorrosion perspectives

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Bioactive Materials 2021年第3期6卷 836-879页

作者： humayun kabir Khurram Munir Cuie Wen Yuncang Li School of Engineering RMIT UniversityMelbourneVictoria3001Australia

Biodegradable metals(BMs)gradually degrade in vivo by releasing corrosion products once exposed to the physiological environment in the *** dissolution of biodegradable implants assists tissue healing,with no implant residues in the surrounding *** recent years,three classes of BMs have been extensively investigated,including magnesium(Mg)-based,iron(Fe)-based,and zinc(Zn)-based *** these three BMs,Mg-based materials have undergone the most clinical ***,Mg-based BMs generally exhibit faster degradation rates,which may not match the healing periods for bone tissue,whereas Fe-based BMs exhibit slower and less complete in vivo ***-based BMs are now considered a new class of BMs due to their intermediate degradation rates,which fall between those of Mg-based BMs and Fe-based BMs,thus requiring extensive research to validate their suitability for biomedical *** the present study,recent research and development on Zn-based BMs are reviewed in conjunction with discussion of their advantages and limitations in relation to existing *** underlying roles of alloy composition,microstructure,and processing technique on the mechanical and corrosion properties of Zn-based BMs are also discussed.

关键词： Biocorrosion Biodegradable metals Tissue engineering Zinc-based alloys and composites

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Assessment of ecological risk for heavy metals in surface sediment of an urban river in a developing country

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International Journal of Sediment Research 2023年第6期38卷 834-846页

作者： Md Saiful Islam Md humayun kabir Mir Mohammad Ali Md Towhidul Islam Asfia Niger Md humayun kabir Zulhilmi Ismail Sujat Ahmed Khalid A.Ibrahim Abubakr M.Idris Department of Soil Science Patuakhali Science and Technology University Department of Environmental Science and Resource Management Mawlana Bhashani Science and Technology University Department of Aquaculture Sher-e-Bangla Agricultural University Department of Soil Science Bangabandhu Sheikh Mujibur Rahman Agricultural University Centre for River and Coastal Engineering(CRCE) Universiti Teknologi Malaysia(UTM) Department of Water & Environmental Engineering Faculty of Civil EngineeringUniversiti Teknologi Malaysia(UTM) Environment Center for People & Environ(CPE) Department of Biology College of ScienceKing Khalid University Center for Environment and Tourism Studies and Research King Khalid University Department of Chemistry College of ScienceKing Khalid University Research Center for Advanced Materials Science(RCAMS) King Khalid University

The speed of increasing threats to the riverine water resources makes it more critical to protect the health of Old Brahmaputra River *** current study was done to investigate the concentrations,distributions,sources,and ecological risk of heavy metals in surface sediment from the Old Brahmaputra River,*** were collected from seven sites and analyzed with an inductively coupled plasma-mass spectrometer(ICP-MS).The results showed that mean concentrations(mg/kg) of heavy metals were in the order of nickel(Ni)(44.69)> chromium(Cr)(30.16)> lead(Pb)(19.31)>copper(Cu)(17.84)> cadmium(Cd)(3.94)> arsenic(As)(2.73).The contamination factor(CF),pollution load index(PLI),enrichment factor(EF),and geo-accumulation index(Igeo) indicated low to moderate *** unit analysis revealed that the studied metals from all stations posed low *** sediment of the study river was uncontaminated to moderately contaminated,posing a minimal ecological ***,Cr,Ni,and Pb originated from anthropogenic sources rather than geogenic sources,and caused the severity of *** this regard,pollutant-based intensive monitoring of heavy metals and holistic ecological risk assessments are required to maintain a sound and healthy aquatic environment in the river.

关键词： Heavy metals Sediment quality Ecological risk Old Brahmaputra river Source identification

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The alteration in the architecture of a T-DNA insertion rice mutant osmtd1 is caused by up-regulation of Micro RNA156f

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Journal of Integrative Plant Biology 2015年第10期57卷 819-829页

作者： Qing Liu Gezhi Shen Keqin Peng Zhigang Huang Jianhua Tong Mohammed humayun kabir Jianhui Wang Jingzhe Zhang Genji Qin Langtao Xiao Hunan Provincial Key Laboratory of Phytohormones and Growth Development Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization Hunan Agricultural University Crop Institute Shanghai Academy of Agricultural Sciences Horticulture Institute Sichuan Academy of Agricultural Sciences State Key Laboratory of Protein and Plant Gene Research College of Life Sciences Peking University

Plant architecture is an important factor for crop production. Some members of microRNA156 (miR156) and their target genes SQUAMOSA Promoter-Binding Protein-Like (SPL) were identified to play essential roles in the establishment of plant architecture. However, the roles and regulation of miR156 is not well understood yet. Here, we identified a T-DNA insertion mutant Osmtd1 (Oryza sativa multi-tillering and dwarf mutant). Osmtd1 produced more tillers and displayed short stature phenotype. We determined that the dramatic morphological changes were caused by a single T-DNA insertion in Osmtd1. Further analysis revealed that the T-DNA insertion was located in the gene Os08g34258 encoding a putative inhibitor I family protein. Os08g34258 was knocked out and OsmiR156f was significantly upregulated in Osmtd1. Overexpression of Os08g34258 in Osmtd1 complemented the defects of the mutant architecture, while overexpression of OsmiR156f in wild-type rice phenocopied Osmtd1. We showed that the expression of OsSPL3, OsSPL12, and OsSPL14 were significantly downregulated in Osmtd1 or OsmiR156f overexpressed lines, indicating that OsSPL3, OsSPL12, and OsSPL14 were possibly direct target genes of OsmiR156f. Our results suggested that OsmiR156f controlled plant architecture by mediating plant stature and tiller outgrowth and may be regulated by an unknown protease inhibitor I family protein.

关键词： Oryza sativa OsmiR156f plant architecture protease inhibitor T-DNA insertion

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Hybrid Real-Time and Preset Processing for Indoor Radio Geo-Location in Dense Multipath Environments

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International Journal of Communications, Network and System Sciences 2013年第1期6卷 7-17页

作者： humayun kabir Chika Sugimoto Ryuji Kohno Division of Physics Electrical and Computer Engineering Yokohama National University Yokohama Japan

The existence of various geo-location applications and their accuracy requirements enhance the necessities for suitable processing techniques to solve the indoor geo-location problems. Since, Impulse Radio Ultra-Wideband (IR-UWB) signals have very short duration pulses;they can provide very accurate ranging and geo-location capability in short range indoor radio propagation environments. Our research puts emphasis on indoor geo-location using UWB signaling considering both of non line-of-sight (NLOS) and LOS radio propagation environments. In this paper, we introduce and investigate a noble approach which makes a hybrid combination of Channel Impulse Response (CIR)-based finger-printing (FP) method with polygonal arrangement of reference nodes (or tags) and an iterative-TOA based real-time geo-location method using UWB signaling for wireless ad hoc networks. The proposed hybrid approach assures significant improvement in positioning accuracy compared to TOA only, FP only and conventional iterative-TOA geo-location methods by mitigating NLOS errors effectively in the indoor environment. Besides, this hybrid approach minimizes the calculation complexity of the FP method while maintaining improved geo-location accuracy in the dense multipath propagation environment.

关键词： UWB Signaling Node Localization Target Tracking Fingerprinting TOA NLOS

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A Multilayer Security Framework for Cloud Computing in Internet of Things (IoT) Domain

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Journal of Computer and Communications 2021年第7期9卷 31-42页

作者： M. Mamun-Ibn-Abdullah M. humayun kabir Department of Electrical and Electronic Engineering Islamic University Kushtia Bangladesh

Cloud computing is a type of emerging computing technology that relies on shared computing resources rather than having local servers or personal devices to handle applications. It is an emerging technology that provides services over the internet: Utilizing the online services of different software. Many works have been carried out and various security frameworks relating to the security issues of cloud computing have been proposed in numerous ways. But they do not propose a quantitative approach to analyze and evaluate privacy and security in cloud computing systems. In this research, we try to introduce top security concerns of cloud computing systems, analyze the threats and propose some countermeasures for them. We use a quantitative security risk assessment model to present a multilayer security framework for the solution of the security threats of cloud computing systems. For evaluating the performance of the proposed security framework we have utilized an Own-Cloud platform using a 64-bit quad-core processor based embedded system. Own-Cloud platform is quite literally as any analytics, machine learning algorithms or signal processing techniques can be implemented using the vast variety of Python libraries built for those purposes. In addition, we have proposed two algorithms, which have been deployed in the Own-Cloud for mitigating the attacks and threats to cloud-like reply attacks, DoS/DDoS, back door attacks, Zombie, etc. Moreover, unbalanced RSA based encryption is used to reduce the risk of authentication and authorization. This framework is able to mitigate the targeted attacks satisfactorily.

关键词： Cloud Computing Data Security Embedded Platform Framework Security Threat

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Context-Aware System Modeling Based on Boolean Control Network

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Open Journal of Applied Sciences 2015年第11期5卷 661-668页

作者： M. humayun kabir M. Robiul Hoque Department of Applied Physics Electronics and Communication Engineering Islamic University Kushtia Bangladesh Department of Computer Science and Engineering Islamic University Kushtia Bangladesh

Boolean control network consists of a set of Boolean variables whose state is determined by other variables in the network. Boolean network is used for modeling complex system. In this paper, we have presented a model of a context-aware system used in smart home based on Boolean control networks. This modeling describes the relationship between the context elements (person, time, location, and activity) and services (Morning Call, Sleeping, Guarding, Entertainment, and normal), which is effective to logical inference. We apply semi tensor matrix product to describe the dynamic of the system. This matrix form of expression is a convenient and reasonable way to design logic control system.

关键词： Mathematical Modeling Context-Aware System Smart Home Boolean Control Network Semi-Tensor Matrix Product

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A Healthcare System for Internet of Things (IoT) Application: Machine Learning Based Approach

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Journal of Computer and Communications 2021年第7期9卷 21-30页

作者： M. Mamun-Ibn-Abdullah M. humayun kabir Department of Electrical and Electronic Engineering Islamic University Kushtia Bangladesh

Internet of things (IoT) has become an interesting topic in the field of technological research. It is basically interconnecting of devices with each other over the internet. Beside its general use in terms of autonomous cars and smart homes, but some of the best applications of IoT technology in fields of health care monitoring is worth mentioning. The main purpose of this research work is to provide comport services for patients. It can be used to promote basic nursing care by improving the quality of care and patient safety from patient home environment. Rural area of a country lacks behind the proper patient monitoring system. So, remote monitoring and prescribing by sharing medical information in an authenticated manner is very effective for betterment of medical facilities in rural area. We have proposed a healthcare system which can analyze ECG report using supervise machine learning techniques. Analyzing report can be stored in cloud platform which can be further used to prescribe by the experienced medical practitioner. For performance evaluation, ECG data is analyzed using six supervised machine learning algorithms. Data sets are divided into two groups: 75 percent data for training the model and rest 25 percent data for testing. To avoid any kind of anomalies or repetitions, cross validation and random train-test split was used to obtain the result as accurate as possible.

关键词： Internet of Things (IoT) Healthcare ECG Signal Right Bundle Branch Block (RBBB)

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Are Spatial Factors Important in the Adoption of Eco-Friendly Agricultural Technologies? Evidence on Integrated Pest Management (IPM)

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Journal of Geographic Information System 2017年第2期9卷 98-113页

作者： Muhammad humayun kabir Ruslan Rainis Md. Javed Azad Department of Agricultural Extension and Information System Sher-e-Bangla Agricultural University Dhaka Bangladesh Department of Geography School of Humanities Universiti Sains Malaysia Penang Malaysia

Past studies on the adoption of integrated pest management (IPM), analyzed the significance of non-spatial factors (social, economic, institutional and management factors etc.) in influencing farmers’ decision to adopt IPM while the present study analyzed spatial factors in addition to these non-spatial factors to address the questions-i. Do the spatial factors significantly influence the farmers to adopt IPM? If yes, then to what extent they do affect IPM adoption? The data were collected from 331 vegetable farmers of Narsingdi district, Bangladesh, by conducting a household survey. Farmers’ nineteen characteristics under five broad groups, namely social, economic, institutional, management and spatial factors were analyzed. The result of the binary logistic regression model revealed that two spatial factors namely the distance of farmers’ house from the nearest market and the distance from agriculture office, along with some specific social, economic, institutional and management factors, significantly influenced the farmers’ to use IPM. It is also observed from the model that the role of spatial factors was important in influencing IPM adoption. However, with regard to the level of importance, their contribution was less than those of economic and institutional factors but more than those of social and management factors. The influences of these factors in practicing IPM are discussed individually as well as group based. The findings show significance in domestic policy making.

关键词： Spatial Factors Adoption IPM Logistic Regression Model

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