BACKGROUND Hepatitis B and C and alcoholic liver disease are the principal causes of hepaticrelated morbidity and mortality.However,evidence of the associations between diabetes without the above risk factors and hepa...BACKGROUND Hepatitis B and C and alcoholic liver disease are the principal causes of hepaticrelated morbidity and mortality.However,evidence of the associations between diabetes without the above risk factors and hepatic-related study endpoints is not well understood.In addition,the effects of associated metabolic dysfunction and exercise on hepatic outcomes are still not clear.AIM To investigate the incidence and relative hazards of cirrhosis of the liver,hepato cellular carcinoma(HCC),hepatic-related complications and mortality in patients with type 2 diabetes(T2D)who were nonalcoholic and serologically negative for hepatitis B and C in Taiwan,China.METHODS A total of 33184 T2D patients and 648746 nondiabetic subjects selected from Taiwan’s,China adult preventive health care service were linked to various National Health Insurance databases,cancer registry,and death registry to identify cirrhosis of the liver,HCC,hepatic-related complications,and mortality.The Poisson assumption and Cox proportional hazard regression model were used to estimate the incidences and relative hazards of all hepatic-related study endpoints,respectively.We also compared the risk of hepatic outcomes stratified by age,sex,associated metabolic dysfunctions,and regular exercise between T2D patients and nondiabetic subjects.RESULTS Compared with nondiabetic subjects,T2D patients had a significantly greater incidence(6.32 vs 17.20 per 10000 person-years)and greater risk of cirrhosis of the liver[adjusted hazard ratio(aHR)1.45;95%CI:1.30-1.62].The aHRs for HCC,hepatic complications,and mortality were 1.81,1.87,and 2.08,respectively.An older age,male sex,obesity,hypertension,and dyslipidemia further increased the risks of all hepatic-related study endpoints,and regular exercise decreased the risk,irrespective of diabetes status.CONCLUSION Patients with T2D are at increased risk of cirrhosis of the liver,HCC,hepatic-related complications,and mortality,and associated metabolic dysfunctions provide additional hazard.Coordinated interprofessional care for high-risk T2D patients and diabetes education,with an emphasis on the importance of physical activity,are crucial for minimizing hepatic outcomes.展开更多
We investigate under what conditions transient simulation could be used to integrate backward in time so that the initial field could be recovered from later histories. In this paper we use realistic examples and find...We investigate under what conditions transient simulation could be used to integrate backward in time so that the initial field could be recovered from later histories. In this paper we use realistic examples and find that, in long histories, traces of the initial field would be present only in the exact analytical solutions. We conclude that the recovery of initial field is possible only if the equations could be solved analytically or only short time periods are involved. In practice, it is not possible to detect those traces by measurements or observations. If numerical procedures are used, truncation and discretization errors are always present. Fine-tuning of system parameters used or transforming time into another pseudo time frame may allow numerical integration to be carried out backward in time. But numerical instability is still a problem. Large spurious increases found by numerical procedures are most likely due to numerical inaccuracy and instability.展开更多
As the polyurethane foam(PUF)market,especially in the automotive sector,continues to grow,the environmental impacts of its petrochemical demands and end-of-life waste have motivated the industry to look for more susta...As the polyurethane foam(PUF)market,especially in the automotive sector,continues to grow,the environmental impacts of its petrochemical demands and end-of-life waste have motivated the industry to look for more sustainable solutions.This study explores the preparation of recyclable PUFs using commercially available soy polyols(Cargill's BiOH),aiming to enable improved thermal reprocessability of flexible PUFs via vitrimer chemistry.A series of“soy-PUFs”was produced by partially substituting petrochemical polyether polyols with 25%or 50%soy polyols in a standard reference formulation.Incorporation of soy polyols resulted in an increase in the stiffness of the resulting foams.Employing a modest amount(∼0.5 wt%)of dibutyltin dilaurate(DBTDL)in the formulations facilitated dynamic covalent bond exchanges in the cross-linked network during a mild“foam-to-sheet”reprocessing process(160°C),converting malleable PUFs into densified sheet materials(PUS)with proper compactness and mechanical performance(e.g.,tensile modulus=∼50 MPa).Soy-PUFs demonstrated a modestly enhanced stress relaxation behavior,suggesting adequate reprocessing ability.DMA results demonstrated the phenomenon of forming an“intermediate”region between the hard and soft domains of PUSs after reprocessing.展开更多
基金Supported by The Far Eastern Memorial Hospital,No.FEMH-2022-C-015,No.FEMH-2022-C-017 and No.FEMH-2023-C-082.
文摘BACKGROUND Hepatitis B and C and alcoholic liver disease are the principal causes of hepaticrelated morbidity and mortality.However,evidence of the associations between diabetes without the above risk factors and hepatic-related study endpoints is not well understood.In addition,the effects of associated metabolic dysfunction and exercise on hepatic outcomes are still not clear.AIM To investigate the incidence and relative hazards of cirrhosis of the liver,hepato cellular carcinoma(HCC),hepatic-related complications and mortality in patients with type 2 diabetes(T2D)who were nonalcoholic and serologically negative for hepatitis B and C in Taiwan,China.METHODS A total of 33184 T2D patients and 648746 nondiabetic subjects selected from Taiwan’s,China adult preventive health care service were linked to various National Health Insurance databases,cancer registry,and death registry to identify cirrhosis of the liver,HCC,hepatic-related complications,and mortality.The Poisson assumption and Cox proportional hazard regression model were used to estimate the incidences and relative hazards of all hepatic-related study endpoints,respectively.We also compared the risk of hepatic outcomes stratified by age,sex,associated metabolic dysfunctions,and regular exercise between T2D patients and nondiabetic subjects.RESULTS Compared with nondiabetic subjects,T2D patients had a significantly greater incidence(6.32 vs 17.20 per 10000 person-years)and greater risk of cirrhosis of the liver[adjusted hazard ratio(aHR)1.45;95%CI:1.30-1.62].The aHRs for HCC,hepatic complications,and mortality were 1.81,1.87,and 2.08,respectively.An older age,male sex,obesity,hypertension,and dyslipidemia further increased the risks of all hepatic-related study endpoints,and regular exercise decreased the risk,irrespective of diabetes status.CONCLUSION Patients with T2D are at increased risk of cirrhosis of the liver,HCC,hepatic-related complications,and mortality,and associated metabolic dysfunctions provide additional hazard.Coordinated interprofessional care for high-risk T2D patients and diabetes education,with an emphasis on the importance of physical activity,are crucial for minimizing hepatic outcomes.
文摘We investigate under what conditions transient simulation could be used to integrate backward in time so that the initial field could be recovered from later histories. In this paper we use realistic examples and find that, in long histories, traces of the initial field would be present only in the exact analytical solutions. We conclude that the recovery of initial field is possible only if the equations could be solved analytically or only short time periods are involved. In practice, it is not possible to detect those traces by measurements or observations. If numerical procedures are used, truncation and discretization errors are always present. Fine-tuning of system parameters used or transforming time into another pseudo time frame may allow numerical integration to be carried out backward in time. But numerical instability is still a problem. Large spurious increases found by numerical procedures are most likely due to numerical inaccuracy and instability.
基金the financial support from the United Soybean Board,Project No.2333-102-0201 and 2422-106-010.
文摘As the polyurethane foam(PUF)market,especially in the automotive sector,continues to grow,the environmental impacts of its petrochemical demands and end-of-life waste have motivated the industry to look for more sustainable solutions.This study explores the preparation of recyclable PUFs using commercially available soy polyols(Cargill's BiOH),aiming to enable improved thermal reprocessability of flexible PUFs via vitrimer chemistry.A series of“soy-PUFs”was produced by partially substituting petrochemical polyether polyols with 25%or 50%soy polyols in a standard reference formulation.Incorporation of soy polyols resulted in an increase in the stiffness of the resulting foams.Employing a modest amount(∼0.5 wt%)of dibutyltin dilaurate(DBTDL)in the formulations facilitated dynamic covalent bond exchanges in the cross-linked network during a mild“foam-to-sheet”reprocessing process(160°C),converting malleable PUFs into densified sheet materials(PUS)with proper compactness and mechanical performance(e.g.,tensile modulus=∼50 MPa).Soy-PUFs demonstrated a modestly enhanced stress relaxation behavior,suggesting adequate reprocessing ability.DMA results demonstrated the phenomenon of forming an“intermediate”region between the hard and soft domains of PUSs after reprocessing.
