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Effectiveness of auricular point acupressure with magnetic plate for pain management in acute postpartum cesarean section patients in thammasat university Hospital: a randomized clinical controlled trial

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Journal of Traditional Chinese Medicine 2022年第4期42卷 611-616页

作者： Rakchanok Tanitsookarn Komsun Suwannarurk Paradi Sangvatanakul Supapen Lertvuttivivat Junya Pattaraarchachai Kornkarn Bhamarapravatana Department of obstetrics and gynecology Faculty of medicineThammasat UniversityPathum Thani 12120Thailand Chulabhorn International College of Medicine Thammasat UniversityPathum Thani 12120Thailand Department of preclinical science Faculty of medicineThammasat UniversityPathum Thani 12120Thailand

OBJECTIVE:To compare the effectiveness of auricular acupressure with or without magnetic plates to routine post cesarean pain ***:This randomized controlled trial was conducted at Obstetrics and Gynecology Department,thammasat university Hospital,between January and June *** participants were term primigravida pregnant women who underwent cesarean delivery during the study *** were divided into three groups,namely control,placebo and study ***(magnetic application)and placebo(non-magnetic application)groups received magnetic and non-magnetic auricular patches at both pinnas,*** assignments for each group were computergenerated,printed and kept in opaque sealed *** points in this study were Shenmen(TF4),Erzhong(HX1)and Penqiang(TF5).Visual analog scale(VAS)was immediately recorded up to 72 h after the ***:A total of 195 cases were enrolled during the period of *** group had 65 *** mean participant’s age was 31 years *** and clinical characters among the three groups were *** scores within 12 h postoperative period of all three groups were *** 36 and 72 h post-operation,study groups had significantly lower VAS than the control ***-quarter of participants had comparable nausea and vomiting side ***:Auricular acupressure at Shenmen(TF4),Penqiang(TF5)and Erzhong(HX1)with magnetic plate attachment could significantly relieve post cesarean pain between 18 and 72 h.

关键词： cesarean section pain acupressure magnetic plate

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Performance evaluation of laterite soil embankment stabilized with bottom ash,coir fiber,and lime

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Journal of Mountain Science 2024年第7期21卷 2334-2351页

作者： Yunusa Hamdanu SANI Amin EISAZADEH School of Civil Engineering and Technology Sirindhorn International Institute of TechnologyThammasat UniversityPathum Thani 12120Thailand

In tropical regions,heavy rainfall induces erosion and shallow landslides on road ***-based stabilization methods,common in these regions,contribute to climate change due to their high carbon *** study explored the potential application of coir fiber-reinforced laterite soil-bottom ash mixtures as embankment materials in the *** objective is to enhance engineered embankment slopes'erosion resistance and stability while offering reuse options for industrial *** study examined various mix designs for unconfined compressive strength(UCS)and permeability,utilizing 30%bottom ash(BA)and 1%coir fiber(CF)with varying sizes ranging from 10 to 40 mm,6%lime,and laterite soil(LS),followed by microstructural *** results demonstrate that the compressive strength increases as the CF length increases to 25 *** contrast,permeability increases continuously with increasing CF ***-treated mixtures exhibit superior short-and long-term strength and reduce permeability owing to the formation of cementitious materials,as confirmed by microstructural analyses.A lab-scale slope box was constructed to evaluate the surface erosion of the stabilized laterite soil *** on the rainfall simulation results,the LS-BA-CF mixtures show better resistance to erosion and deformation compared to untreated LS,especially when lime is added to the top *** study provides insights into a sustainable and cost-effective approach for slope stabilization using BA and CF,offering a promising solution for tropical regions susceptible to surface erosion and landslides.

关键词： Lateritic soil Bottom ash Coir fiber lime Unconfined compressive strength Permeability FESEM/EDS Rainfall simulation tests

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Improving the structural efficiency of textured threedimensional concrete printing wall by architectural design

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Frontiers of Structural and Civil Engineering 2024年第5期18卷 699-715页

作者： Wannapol SADAKORN Santirak PRASERTSUK Lapyote PRASITTISOPIN Architectural Technology Research Unit Department of ArchitectureFaculty of ArchitectureChulalongkorn UniversityBangkok 10330Thailand Faculty of Architecture and Planning Thammasat UniversityPathumthani 12121Thailand

Three-dimensional concrete printing(3DCP)technology begins to be adopted into construction application *** studies have focused on producing a higher concrete quality and offering a user-friendly construction ***,the 3DCP construction cost is unlikely to be lower than that of conventional construction,which is especially important for projects where the cost is *** broaden the 3DCP construction applications,reduction of the quantity of 3DCP material usage is *** work aims to perform structural analysis of several patterns of geometric textured 3DCP shell wall structures.21 different cantilevered textured patterns of 3DCP shell wall structures were architecturally designed and then subjected to structural analysis by a finite element method(FEM).The results indicated that by designing appropriate patterns,the structural performance to weight ratio could be improved up to 300%.The study therefore offers an innovative design process for constructing 3DCP housing and suggests preconstruction analysis methods for 3DCP shell wall structures.

关键词： 3D printing concrete architectural design shell wall finite element method

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A deep neural network based surrogate model for damage identification in full-scale structures with incomplete noisy measurements

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Frontiers of Structural and Civil Engineering 2024年第3期18卷 393-410页

作者： Tram BUI-NGOC Duy-Khuong LY Tam T TRUONG Chanachai THONGCHOM T.NGUYEN-THOI Laboratory for Computational Mechanics Institute for Computational Science and Artificial IntelligenceVan Lang UniversityHo Chi Minh City 70000Vietnam Faculty of Mechanical-Electrical and Computer Engineering School of TechnologyVan Lang UniversityHo Chi Minh City 70000Vietnam Faculty of Civil Engineering School of TechnologyVan Lang UniversityHo Chi Minh City 70000Vietnam Department of Computer Science Aarhus UniversityAarhus 8000Denmark thammasat university research unit in structural and foundation engineering Department of Civil EngineeringThammasat UniversityPathumthani 12120Thailand Laboratory for Applied and Industrial Mathematics Institute for Computational Science and Artificial IntelligenceVan Lang UniversityHo Chi Minh City 70000Vietnam thammasat School of Engineering Thammasat UniversityPathumthani 12120Thailand

The paper introduces a novel approach for detecting structural damage in full-scale structures using surrogate models generated from incomplete modal data and deep neural networks(DNNs).A significant challenge in this field is the limited availability of measurement data for full-scale structures,which is addressed in this paper by generating data sets using a reduced finite element(FE)model constructed by SAP2000 software and the MATLAB programming *** surrogate models are trained using response data obtained from the monitored structure through a limited number of measurement *** proposed approach involves training a single surrogate model that can quickly predict the location and severity of damage for all potential *** achieve the most generalized surrogate model,the study explores different types of layers and hyperparameters of the training algorithm and employs state-of-the-art techniques to avoid overfitting and to accelerate the training *** approach’s effectiveness,efficiency,and applicability are demonstrated by two numerical *** study also verifies the robustness of the proposed approach on data sets with sparse and noisy measured ***,the proposed approach is a promising alternative to traditional approaches that rely on FE model updating and optimization algorithms,which can be computationally *** approach also shows potential for broader applications in structural damage detection.

关键词： vibration-based damage detection deep neural network full-scale structures finite element model updating noisy incomplete modal data

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Prediction of bearing capacity of pile foundation using deep learning approaches

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Frontiers of Structural and Civil Engineering 2024年第6期18卷 870-886页

作者： Manish KUMAR Divesh Ranjan KUMAR Jitendra KHATTI Pijush SAMUI Kamaldeep Singh GROVER Department of Civil Engineering SRM Institute of Science and Technology Tiruchirappalli CampusTrichy 621105India Department of Civil Engineering National Institute of Technology PatnaBihar 800005India Department of Civil Engineering Faculty of EngineeringThammasat School of EngineeringThammasat UniversityBangkok10200Thailand Department of Civil Engineering Rajasthan Technical UniversityKota 324010India

The accurate prediction of bearing capacity is crucial in ensuring the structural integrity and safety of pile *** research compares the Deep Neural Networks(DNN),Convolutional Neural Networks(CNN),Recurrent Neural Networks(RNN),Long Short-Term Memory(LSTM),and Bidirectional LSTM(BiLSTM)algorithms utilizing a data set of 257 dynamic pile load tests for the first ***,this research illustrates the multicollinearity effect on DNN,CNN,RNN,LSTM,and BiLSTM models’performance and accuracy for the first time.A comprehensive comparative analysis is conducted,employing various statistical performance parameters,rank analysis,and error matrix to evaluate the performance of these *** performance is further validated using external validation,and visual interpretation is provided using the regression error characteristics(REC)curve and Taylor *** from the comparative analysis reveal that the DNN(Coefficient of determination(R^(2))_(training(TR))=0.97,root mean squared error(RMSE)_(TR)=0.0413;R^(2)_(testing(TS))=0.9,RMSE_(TS)=0.08)followed by BiLSTM(R^(2)_(TR)=0.91,RMSE_(TR)=0.782;R^(2)_(TS)=0.89,RMSE_(TS)=0.0862)model demonstrates the highest performance *** is noted that the BiLSTM model is better than LSTM because the BiLSTM model,which increases the amount of information for the network,is a sequence processing model made up of two LSTMs,one of which takes the input in a forward manner,and the other in a backward *** prediction of pile-bearing capacity is strongly influenced by ram weight(having a considerable multicollinearity level),and the effect of the considerable multicollinearity level has been determined for the model based on the recurrent neural network *** this study,the recurrent neural network model has the least performance and accuracy in predicting the pile-bearing capacity.

关键词： deep learning algorithms high-strain dynamic pile test bearing capacity of the pile

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Platelet-to-neutrophil ratio predicts hemorrhagic transformation and unfavorable outcomes in acute ischemic stroke with intravenous thrombolysis

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World Journal of Experimental Medicine 2024年第3期14卷 80-89页

作者： Ausanee Chaiwisitkun Sombat Muengtaweepongsa Center of Excellence in Stroke Faculty of MedicineThammasat UniversityKlonglaung 12120Pathum ThaniThailand

BACKGROUND Acute ischemic stroke(AIS)retains a notable stance in global disease burden,with thrombolysis via recombinant tissue plasminogen activator(rtPA)serving as a viable management approach,albeit with variable outcomes and the potential for complications like hemorrhagic transformation(HT).The platelet-to-neutrophil ratio(P/NR)has been considered for its potential prognostic value in AIS,yet its capacity to predict outcomes following rtPA administration demands further *** To elucidate the prognostic utility of P/NR in predicting HT and clinical outcomes following intravenous rtPA administration in AIS *** Data from 418 AIS patients treated with intravenous rtPA at thammasat university Hospital from January 2018 to June 2021 were retrospectively *** relationship between P/NR and clinical outcomes[early neurological deterioration(E-ND),HT,delayed ND(D-ND),and 3-mo outcomes]was *** Notable variables,such as age,diabetes,and stroke history,exhibited statistical disparities when comparing patients with and without E-ND,HT,D-ND,and 3-mo outcomes.P/NR prognostication revealed an optimal cutoff of 43.4 with a 60.3%sensitivity and a 52.5%specificity for 90-d outcomes.P/NR prognostic accuracy was statistically significant for 90-d outcomes[area under the curve(AUC)=0.562],D-ND(AUC=0.584),and HT(AUC=0.607).CONCLUSION P/NR demonstrated an association with adverse 3-mo clinical outcomes,HT,and D-ND in AIS patients post-rtPA administration,indicating its potential as a predictive tool for complications and *** infers that a diminished P/NR may serve as a novel prognostic indicator,assisting clinicians in identifying AIS patients at elevated risk for unfavorable outcomes following rtPA therapy.

关键词： Acute ischemic stroke Platelet-to-neutrophil ratio Prognosis Hemorrhagic transformation Recombinant tissue plasminogen activator Thrombolysis Clinical outcomes

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Limit load and failure mechanisms of a vertical Hoek-Brown rock slope

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第3期16卷 1106-1111页

作者： Jim Shiau Warayut Dokduea Suraparb Keawsawasvong Pitthaya Jamsawang School of Engineering University of Southern QueenslandToowoomba4350QLDAustralia Department of Civil Engineering Faculty of EngineeringKing Mongkut’s University of Technology ThonburiBangkokThailand Research Unit in Sciences and Innovative Technologies for Civil Engineering Infrastructures Department of Civil EngineeringThammasat School of EngineeringThammasat UniversityPathumthani12120Thailand Soil Engineering Research Center Department of Civil EngineeringKing Mongkut’s University of Technology North BangkokBangkok10800Thailand

The problem considered in this short note is the limit load determination of a vertical rock *** classical limit theorem is employed with the use of adaptive finite elements and nonlinear programming to determine upper and lower bound limit loads of a Hoek-Brown vertical rock *** objective function of the mathematical programming problem is such as to optimize a boundary load,which is known as the limit load,resembling the ultimate bearing capacity of a strip *** focusing on the vertical slope,parametric studies are carried out for several dimensionless ratios such as the dimensionless footing distance ratio,the dimensionless height ratio,and the dimensionless rock strength ratio.A comprehensive set of design charts is presented,and failure envelopes shown with the results explained in terms of three identified failure mechanisms,*** face,the toe,and the Prandtl-type *** novel results can be used with great confidence in design practice,in particularly noting that the current industry-based design procedures for the presented problem are rarely found.

关键词： Bearing capacity Rock slope Vertical slope Finite element limit analysis Hoek-Brown yield criterion

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Comparison between local-made and imported porous polyethylene orbital implant:a randomized controlled equivalence trial and multicenter study

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International Journal of Ophthalmology(English edition) 2024年第10期17卷 1857-1863页

作者： Sunisa Sintuwong Kanjana Leelapatranurak Orapan Aryasit Passorn Preechawai Mingkwan Lumyongsatien Ornvenus Nimitwongsakul Jugchawin Kanokkantapong Unnkade Bhaktikamala Yongyot Tuachob Jirapol Bhuntuveh Pennung Thongtong Waraporn Suvannapruk Jintamai Suwanprateeb Department of Ophthalmology Mettapracharak(Wat Rai Khing)HospitalNakhon Pathom 73210Thailand Department of Ophthalmology Faculty of MedicinePrince of Songkla UniversitySongkhla 90110Thailand National Metal and Materials Technology Center(MTEC) National Science and Technology Development Agency(NSTDA)Pathum Thani 12120Thailand thammasat university Center of Excellence in Computational Mechanics and Medical Engineering Thammasat UniversityPathum Thani 12120Thailand

AIM:To compare the exposure rate,infection rate,percentage of enhancement,and success rate between Medpor and the three-dimensional printed polyethylene(3DP-PE)orbital implant in a preliminary ***:This prospective,randomized,equivalence,controlled trial was conducted at two *** equivalent margin was±10%.The sample size for the equivalence trial was 174 participants per *** who were eligible for enucleations received either Medpor or 3DP-PE implants based on a randomized block of *** surgeries were performed by five oculoplastic *** assessor and patients were *** magnetic resonance imaging(MRI)of the orbit was performed at least 6mo after operation and the fibrovascular ingrowth was analyzed using the Image J ***-up continued at least 1y after *** intention to treat and per protocol approaches were ***:Totally 128 patients met the criteria in the *** Medpor and 553DP-PE cases completed the *** most common cause of blindness was *** mean follow-up times of Medpor and 3DP-PE were 33 and 40mo *** exposure rate was not statistically significant between two groups(6.0%and 7.3%),P<0.05,95%CI(-9.8%,+12.0%).The success rates were 94%(Medpor)and 92.7%(3DP-PE).No postoperative infection was *** patients had MRI tests and two had implant exposures with 66.3%enhancement at 75mo(Medpor)and 58%enhancement at 57mo(3DP-PE)***:There is no statistically significant difference in exposure rate and success rate between Medpor and 3DP-PE in enucleation in the ***,we cannot conclude that they are equivalent in terms of the exposure rate and success rate because the 95%CI is wider than±10%.The infection rate is equivalent in both groups.

关键词： orbital implants eyeball enucleation polyethylene blindness eye injuries orbit

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Spatiotemporal variations of sand hydraulic conductivity by microbial application methods

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第1期16卷 268-278页

作者： Viroon Kamchoom Thiti Khattiwong Treesukon Treebupachatsakul Suraparb Keawsawasvong Anthony Kwan Leung Excellent Centre for Green and Sustainable Infrastructure Department of Civil EngineeringSchool of EngineeringKing Mongkut’s Institute of Technology Ladkrabang(KMITL)Bangkok10520Thailand Department of Biomedical Engineering School of EngineeringKing Mongkut’s Institute of Technology Ladkrabang(KMITL)Bangkok10520Thailand Department of Civil Engineering Thammasat School of EngineeringThammasat UniversityPrathumthani10200Thailand Department of Civil and Environmental Engineering The Hong Kong University of Science and Technology(HKUST)Hong KongChina

The spatiotemporal distributions of microbes in soil by different methods could affect the efficacy of the microbes to reduce the soil hydraulic *** this study,the specimens of bio-mediated sands were prepared using three different methods,***,mixing,and pouring a given microbial so-lution onto compacted sand *** hydraulic conductivity was measured by constant-head tests,while any soil microstructural changes due to addition of the microbes were observed by scan-ning electron microscope(SEM)and mercury intrusion porosimetry(MIP)*** amount of dextran concentration produced by microbes in each type of specimen was quantified by a *** show that dextran production increased exponentially after 5-7 d of microbial settling with the supply of culture *** injection and mixing methods resulted in a similar amount and uniform dis-tribution of dextran in the *** pouring method,however,produced a nonuniform distri-bution,with a higher concentration near the specimen *** the supply of culture medium discontinued,the dextran content near the surface produced by the pouring method decreased dramatically due to high competition for nutrients with foreign *** dextran concentration was negatively and correlated with hydraulic conductivity of bio-mediated soils exponentially,due to the clogging of large soil pores by *** hydraulic conductivity of the injection and mixing cases did not change significantly when the supply of culture medium was absent.

关键词： Bio-mediated soil Dextran Hydraulic conductivity Leuconostoc mesenteroides Microbial application Microstructure

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Liquid Phase Exfoliation of 2D Materials and Its ElectrochemicalApplications in the Data-Driven Future

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Precision Chemistry 2024年第7期2卷 300-329页

作者： Panwad Chavalekvirat Wisit Hirunpinyopas Krittapong Deshsorn Kulpavee Jitapunkul Pawin Iamprasertkun School of Bio-Chemical Engineering and Technology Sirindhorn International Institute of TechnologyThammasat UniversityPathum Thani 12120ThailandResearch Unit in Sustainable Electrochemical IntelligentThammasat UniversityPathum Thani 12120Thailand Department of Chemistry Faculty of ScienceKasetsart UniversityBangkok 10900Thailand Department of Chemical Engineering Faculty of EngineeringKasetsart UniversityBangkok 10900Thailand

The electrochemical properties of 2D materials,particularly transition metal dichalcogenides(TMDs),hinge ontheir structural and chemical *** be practicallyviable,achieving large-scale,high-yield production is crucial,ensuring both quality and electrochemical suitability forapplications in energy storage,electrocatalysis,and potentialbasedionic sieving membranes.A prerequisite for success is a deepunderstanding of the synthesis process,forming a critical linkbetween materials synthesis and electrochemical *** extensively examines the liquid-phase exfoliation technique,providing insights into potential advancements and strategies tooptimize the TMDs nanosheet yield while preserving theirelectrochemical *** primary goal is to compiletechniques for enhancing TMDs nanosheet yield through direct liquid-phase exfoliation,considering parameters like solvents,surfactants,centrifugation,and sonication *** addressing the exfoliation yield,the review emphasizes the potentialimpact of these parameters on the structural and chemical properties of TMD nanosheets,highlighting their pivotal role inelectrochemical *** evolving research methodologies,the review explores integrating machine learning anddata science as tools for understanding relationships and key *** to advance 2D material research,includingthe optimization of graphene,MXenes,and TMDs synthesis for electrochemical applications,this compilation charts a coursetoward data-driven *** bridging experimental and machine learning approaches,it promises to reshape the landscape ofknowledge in electrochemistry,offering a transformative resource for the academic community.

关键词： Liquid Phase Exfoliation 2D Materials Transition Metal Dichalcogenides TMDs Size Selection Electrochemistry Energy Storage Ionic Sieving Machine Learning

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