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Biomass torrefaction in a slot-rectangular spouted bed reactor

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Particuology 2019年第1期17卷 154-162页

作者： Ziliang Wang C. Jim lim john R. Grace Department of Chemical and Biological Engineering. University of British Columbia Vancouver. Canada

Sawdust was subjected to torrefaction in a "semi-batch" slot-rectangular spouted bed (SRSB) reactor at temperatures from 240 to 330℃ and biomass feed rates from 220 to 710g/*** spouting of the sawdust was achieved in the slot-rectangular spouted bed,although the pressure drop across the reactor was observed to *** to the biomass feed rate,the temperature had a greater effect on the biomass weight loss and energy *** in temperature were found to promote weight loss of the sawdust while decreasing the energy *** main solid product was the torrefied sawdust,which remained in the SRSB reactor and was captured by a *** ratio of the torrefied biomass removed by the cyclone to the total torrefied biomass increased along with both the feed rate and *** undergoing torrefaction,6.7%-39.2% of the original sawdust mass was lost while 67.4%-98.7% of its energy was *** torrefied sawdust had a higher carbon content but less oxygen,hydrogen and volatiles,along with a greater higher heating value and increased density compared to the raw *** size of the sawdust particles also decreased markedly during the torrefaction process.

关键词： Torrefaction Slot-rectangular spouted bed reactor Temperature Biomass feed rate Torrefied sawdust property

Proteomic and genomic studies of non-alcoholic fatty liver disease-clues in the pathogenesis

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World Journal of Gastroenterology 2014年第26期20卷 8325-8340页

作者： Jun Wei lim john Dillon Michael Miller Department of Gas-troenterology University of DundeeNinewells Hospital and Medical School

Non-alcoholic fatty liver disease(NAFLD)is a widely prevalent hepatic disorder that covers wide spectrum of liver *** is strongly associated with liver inflammation,metabolic hyperlipidaemia and insulin ***,NAFLD has been considered as the hepatic manifestation of metabolic *** pathophysiology of NAFLD has not been fully *** patients can remain in the stage of simple steatosis,which generally is a benign condition;whereas others can develop liver inflammation and progress into non-alcoholic steatohepatitis,fibrosis,cirrhosis and hepatocellular *** mechanism behind the progression is still not fully *** ongoing proteomic researches have focused on discovering the unbiased circulating biochemical markers to allow early detection and treatment of *** genomic studies have also begun to provide new insights into the gene polymorphism to understand patientdisease ***,NAFLD is considered a complex and mutifactorial disease phenotype resulting from environmental exposures acting on a susceptible polygenic *** paper reviewed the current status of proteomic and genomic studies that have contributed to the understanding of NAFLD *** proteomics section,this review highlighted functional proteins that involved in:(1)transportation;(2)metabolic pathway;(3)acute phase reaction;(4)antiinflammatory;(5)extracellular matrix;and(6)immune *** the genomic studies,this review will discuss genes which involved in:(1)lipolysis;(2)adipokines;and(3)cytokines production.

关键词： Non-alcoholic fatty liver disease Proteomics Genomics Metabolic syndrome Pathophysiology

Dynamic Force Reduction and Heat Transfer Improvement for Horizontal Tubes in Large-Particle Gas-Fluidized Beds

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Journal of Thermal Science 2008年第1期17卷 77-83页

作者： Yusumi Nagahashi john R.Grace Kok-Seng lim Yutaka Asako Dept.Mech.Eng. Kochi National College of Technol.KochiJAPAN Professor Dept.Chem.Biological Eng. The University of British ColumbiaVancouverCANADA CSIRO Minerals VictoriaAUSTRALIA Dept.Mech.Eng. Tokyo Metropolitan UniversityTokyoJAPAN

The effects of tube bank configuration on forces and heat transfer were investigated for both two-dimensional and three-dimensional gas fluidized beds. Effective dynamic forces and heat transfer coefficients were measured for several tube bank configurations, and it was found that the average forces are smaller than for a single tube. The heat transfer coefficient can be increased by providing sufficient space for particles to descend around both sides of the tube bank. The results provide useful guidelines for optimizing the configuration of tube banks to achieve high heat transfer coefficients while reducing tube erosion due to dynamic forces.

关键词： fluidized beds forces heat transfer tube arrangement sofid circulation

Superior antibody and membrane protein‑specific T‑cell responses to CoronaVac by intradermal versus intramuscular routes in adolescents

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World Journal of Pediatrics 2024年第4期20卷 353-370页

作者： Jaime S.Rosa Duque Samuel M.S.Cheng Carolyn A.Cohen Daniel Leung Xiwei Wang Xiaofeng Mu Yuet Chung Tsun Ming Lau Manni Wang Wenyue Zhang Yanmei Zhang howard H.W.Wong Leo C.H.Tsang Sara Chaothai Tsz Chun Kwan john K.C.Li Karl C.K.Chan Leo L.H.Luk Jenson C.H.Ho Wing Yan Li Amos M.T.Lee Jennifer H.Y.Lam Sau Man Chan Wilfred H.S.Wong Issan Y.S.Tam Masashi Mori Sophie A.Valkenburg Malik Peiris Wenwei Tu Yu Lung Lau Department of Paediatrics and Adolescent Medicine The University of Hong KongHong KongChina School of Public Health The University of Hong KongHong KongChina HKU‑Pasteur Research Pole School of Public HealthThe University of Hong KongHong KongChina Research Institute for Bioresources and Biotechnology Ishikawa Prefectural UniversityNonoichiJapan Department of Microbiology and Immunology Peter Doherty Institute for Infectionand ImmunityUniversity of MelbourneMelbourneVICAustralia Center for Immunology and Infection C2i Hong KongChina

Background Optimising the immunogenicity of COVID-19 vaccines to improve their protection against disease is *** dosing by intradermal(ID)administration has been shown to be equally immunogenic as intramuscular(IM)administration for several vaccines,but the immunogenicity of ID inactivated whole severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)at the full dose is *** study(NCT04800133)investigated the superiority of antibody and T-cell responses of full-dose CoronaVac by ID over IM administration in *** Participants aged 11–17 years received two doses of IM or ID vaccine,followed by the 3rd dose 13–42 days *** and cellular immunogenicity outcomes were measured post-dose 2(IM-CC versus ID-CC)and post-dose 3(IMCCC versus ID-CCC).Doses 2 and 3 were administered to 173 and 104 adolescents,*** Spike protein(S)immunoglobulin G(IgG),S-receptor-binding domain(RBD)IgG,S IgG Fcγreceptor IIIa(FcγRIIIa)-binding,SNM[sum of individual(S),nucleocapsid protein(N),and membrane protein(M)peptide pool]-specific interleukin-2(IL-2)+CD4^(+),SNM-specific IL-2^(+)CD8^(+),S-specific IL-2^(+)CD8^(+),N-specific IL-2^(+)CD4^(+),N-specific IL-2^(+)CD8^(+)and M-specific IL-2^(+)CD4^(+)responses fulfilled the superior and non-inferior criteria for ID-CC compared to IM-CC,whereas IgG avidity was *** ID-CCC,S-RBD IgG,surrogate virus neutralisation test,90%plaque reduction neutralisation titre(PRNT90),PRNT50,S IgG avidity,S IgG FcγRIIIa-binding,M-specific IL-2^(+)CD4^(+),interferon-γ+CD8^(+)and IL-2^(+)CD8^(+)responses were superior and non-inferior to *** estimated vaccine efficacies were 49%,52%,66%and 79%for IM-CC,ID-CC,IM-CCC and ID-CCC,*** ID groups reported more local,mild adverse *** This is the first study to demonstrate superior antibody and M-specific T-cell responses by ID inactivated SARSCoV-2 vaccination and serves as the basis for future research to improve the

关键词： CoronaVac Coronavirus disease 2019 Immunity Intradermal Vaccine

Envita’s Precision Cancer Care: 35-Fold Improvement in Response Rates

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Journal of Cancer Therapy 2024年第4期15卷 99-120页

作者： Sheba Goklany john C. Oertle III Ronald Matthias Jr. Daniel Warren David Medina Rory Sears Robert Zieve Kendra Quart Christopher Aussems Jon Moma Shannon Miller Zach Poteet Conner Coffin Courtney Middleton Erika Ware Phylicia Zarnosky Julie Nowak Winlove Suasin Daniel Conway Chad Burk Ruth Tan-lim Dino Prato Envita Medical Centers Scottsdale AZ USA

New clinical approaches are imperative beyond the widely adopted National Comprehensive Cancer Network (NCCN) guidelines, utilized by prominent cancer institutions. Cancer is the leading cause of death among individuals younger than 85 years within the United States. Despite significant technological advances, including the expenditure of hundreds of billions, treatment outcomes and overall survival have not notably improved for most types of advanced cancer over the last several decades. Over the past 24 years, Envita Medical Centers has pioneered a unique form of personalized treatment approach for late-stage and refractory cancer patients, introducing groundbreaking innovations in the field. Our integrated algorithm utilizes advanced genomics, transcriptomics, and highly tailored immunotherapy, resulting in remarkable outcome improvements. This study presents Envita’s innovative personalized treatment algorithms and examines the response outcomes of 199 late-stage cancer patients treated at Envita Medical Centers over a two-year period. Compared to standard of care and palliative chemotherapy, Envita’s treatment demonstrated a remarkable 35-fold improvement in overall response rates (Figure 1). Moreover, 88% of the patients, the majority presenting with Stage 3 or 4 cancer, experienced a 43-fold improvement in quality of life with minimal side effects, as compared to standard of care chemotherapy and palliative care. This revolutionary success is attributed to Envita’s personalized therapeutic algorithms, which incorporate customized immunotherapy. Envita’s precision care approach has also achieved a 100% better response rate compared to over 65 global chemotherapy clinical trials with more than 2700 patients. The results from this study suggest that a wider utilization of Envita’s personalized approach can significantly benefit patients with late-stage and refractory cancer.

关键词： Envita Medical Centers Late-stage Cancer Overall Response Rate Quality of Life Circulating Tumor Cells (CTCs) Mutant Allele Frequency (MAF) Precision Care

Gastroesophageal cancer and retroperitoneal fibrosis: Two case reports and review of the literature

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World Journal of Gastrointestinal Oncology 2013年第3期5卷 68-70页

作者： Renata D'Alpino Peixoto Jasem Al-Barrak howard lim Daniel Renouf Department of Medical Oncology BC Cancer Agency

Retroperitoneal fibrosis secondary to malignant disease is a rare condition associated with a dismal prognosis. We herein present the first ever reported case of ret-roperitoneal fibrosis related to esophageal adenocarcinoma in a 63-year-old patient who developed bilateral ureteral obstruction due to extensive retroperitoneal fibrosis 18 mo after having completed neoadjuvant chemoradation followed by surgery for a pT3N0 ad-enocarcinoma of the distal esophagus. We also report the case of a previously healthy woman who presented with bilateral ureteral obstruction and diffuse narrowing of the common biliary duct and was found to have extensive retroperitoneal fibrosis as a consequence of metastatic gastric adenocarcinoma. Both patients had poor performance status and were unsuitable for pallia-tive chemotherapy. This paper shows that urinary and biliary obstructive symptoms might represent retroperi-toneal fibrosis as a consequence of gastroesophageal malignancy.

关键词： Gastric cancer Esophageal cancer Retro-peritoneal fibrosis

Philippine retinoblastoma initiative multi-eye center study 2010-2020

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International Journal of Ophthalmology(English edition) 2024年第1期17卷 144-156页

作者： Roland Joseph D.Tan Gary john V.Mercado Patricia E.Cabrera Paulita Pamela P.Astudillo Rolando Enrique D.Domingo Josept Mari S.Poblete Charmaine Grace M.Cabebe Adriel Vincent R.Te Melissa Anne S.Gonzales Jocelyn G.Sy Beltran Alexis A.Aclan Jayson T.So Fatima G.Regala Kimberley Amanda K.Comia Josemaria M.Castro Mara Augustine S.Galang Aldous Dominic C.Cabanlas Benedicto Juan E.Aguilar Gabrielle S.Evangelista Jo Michael Maniwan Andrei P.Martin Calvin Y.Martinez john Alfred H.lim Rena Ivy Bascuna Rachel M.Ng Kevin B.Agsaoay Kris Zanna A.Acluba-Arao Ellaine Rose V.Apostol Beatriz M.Prieto Department of Ophthalmology and Visual Sciences Philippine General HospitalManila 1000Philippines Department of Ophthalmology Baguio General Hospital and Medical CenterBaguio City 2600Philippines Department of Ophthalmology Manila Doctors HospitalManila 1000Philippines Department of Ophthalmology Rizal Medical CenterPasig City 1600Philippines Department of Ophthalmology Jose B.Lingad Memorial Regional HospitalPampanga 2000Philippines Department of Ophthalmology Southern Philippines Medical CenterDavao City 8000Philippines Department of Ophthalmology East Avenue Medical CenterQuezon City 1100Philippines Department of Ophthalmology Northern Mindanao Medical CenterCagayan de Oro City 9000Philippines Department of Ophthalmology Cebu Velez General HospitalCebu City 6000Philippines Legazpi Eye Center Legazpi City 4500Philippines Department of Ophthalmology Cagayan Valley Medical CenterTuguegarao City 3500Philippines

AIM:To provide a comprehensive and more representative national data on the disease,especially on treatment options and outcomes,and to determine access of retinoblastoma patients from Luzon,Visayas and Mindanao to eye care,and determine if access is associated with delay in consultation,staging and ***:Cohort study of retinoblastoma patients seen in eleven institutions located in the three major areas of the Philippines namely Luzon,Vizayas and Mindanao from ***:Totally 636 patients,involving 821 eyes,were ***(57%)were from Luzon and were seen in institutions in Luzon(72%).Annually,58±10 new cases were seen with 71%having unilateral *** delay of consultation remained long at 9(3,17)mo,longest in patients with unilateral disease(P<0.02)and those from the Visayas(P<0.003).Based on the International Retinoblastoma Staging System,only 35%of patients had Stage 1 while 47%already had extraocular *** was the most common treatment received by 484 patients while intravenous chemotherapy was received by *** were 250(39%)patients alive,195(31%)dead,85(13%)abandoned,17(3%)refused and 89(14%)with no ***:This study presents the largest cohort of retinoblastoma patients in the Philippines in terms of patients’and participating institutions’number and geographical location and type of institution(private and public).It also presents more comprehensive data on the treatments used and outcomes(survival,globe salvage,and vision retention rates).Delay in consultation was still long among patients leading to advanced disease stage and lower survival *** increasing capacity to diagnose and manage retinoblastoma in the country,the delay of consultation remains long primarily due to accessibility issues to eye care institutions especially in the Visayas and financial *** delay was still significant that overall survival rate remain low.

关键词： retinoblastoma Philippines clinical profile

Real-world treatment attrition rates in advanced esophagogastric cancer

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World Journal of Gastroenterology 2020年第39期26卷 6027-6036页

作者： Erica S Tsang howard J lim Daniel J Renouf Janine M Davies Jonathan M Loree Sharlene Gill Department of Medicine BC CancerVancouver V5Z 4E6Canada Division of Medical Oncology University of British ColumbiaVancouver V5Z 4E6Canada

BACKGROUND Over the last decade,multiple agents have demonstrated efficacy for advanced esophagogastric cancer(EGC).Despite the availability of later lines of therapy,there remains limited real-world data about the treatment attrition rates between lines of *** To characterize the use and attrition rates between lines of therapy for patients with advanced *** We identified patients who received at least one cycle of chemotherapy for advanced EGC between July 1,2017 and July 31,2018 across six regional centers in British Columbia(BC),***,treatment,and outcomes data were *** Of 245 patients who received at least one line of therapy,median age was 66 years(IQR 58.2-72.3)and 186(76%)were male,Eastern Cooperative Oncology Group(ECOG)performance status 0/1(80%),gastric vs GEJ(36%vs 64%).Histologies included adenocarcinoma(78%),squamous cell carcinoma(8%),and signet ring(14%),with 31%HER2 positive.72%presented with de novo disease,and 25%had received previous *** was a high level of treatment attrition,with patients receiving only one line of therapy n=122,50%),two lines n=83,34%),three lines n=34,14%),and four lines n=6,2%).Kaplan-Meier analysis demonstrated improved survival with increasing lines of therapy(median overall survival 7.7 vs 16.6 vs 22.8 vs 40.4 mo,P<0.05).On multivariable Cox regression,improved survival was associated with better baseline ECOG and increased lines of therapy(P<0.05).CONCLUSION The steep attrition rates between therapies highlight the unmet need for more efficacious early-line treatment options for patients with advanced EGC.

关键词： Esophagogastric cancer Gastric cancer Treatment attrition Systemic therapy Treatment outcomes Real-world evidence

Leading Approaches to Vascularize Kidney Constructs in Tissue Engineering

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Engineering 2022年第12期19卷 117-127页

作者： Diana S.lim john D.Jackson Anthony Atala James J.Yoo Wake Forest Institute for Regenerative Medicine Wake Forest University School of MedicineMedical Center BoulevardNC 27157USA

There is an unprecedented need for new treatments for renal failure,as the incidence of this disease is increasing disproportionately to advancements in *** treatments are limited by the availability of viable organs,for which there is a worldwide *** treatment modalities also require a substantial amount of infrastructure,significantly limiting the access to care in most *** tissue engineering approaches promise to develop alternative solutions that address many of the inadequacies in current *** many advancements have been made—primarily in the past decade—in biofabrication and whole-organ tissue engineering,many challenges *** major hindrance to the progress of current tissue engineering approaches is establishing successful vascularization of developed engineered tissue *** review focuses on the recent advancements that address the vascular challenge,including the biofabrication of vasculature,whole-organ engineering through decellularization and recellularization approaches,microscale organogenesis,and vascularization using organoids in the context of kidney tissue *** also highlight the specific challenges that remain in developing successful strategies capable of clinical translation.

关键词： Kidney Vascularization Tissue engineering Biofabrication Organoids