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Atomic Mass Evaluation: the Mass Tables
G. Audi,M. Wang,A. H. Wapstra,B. Pfeiffer,F. G. Kondev 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.59 No.23
The advent of the ``AME-Future" project a year and a half ago rendered the realization of a new mass table possible in the very near future: the Ame2013 mass table. A large number of the new experimental data obtained from different laboratories have already been analyzed. They exhibit important changes in the mass surface. Most of these changes lift the mass surface to higher masses (reduced binding energies). The rise can be explained by previously under-estimated Q_β data of exotic species due to missed levels. Some consequences of this change are expected in calculations using the nuclear masses as one of their ingredients. We will discuss here the expected impact on the nucleo-synthesis r-process path in astrophysics.
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( R. Audi ),( E. Sembiring ) 한국폐기물자원순환학회(구 한국폐기물학회) 2015 한국폐기물자원순환학회 3RINCs초록집 Vol.2015 No.-
Waste is become one of many environmental problems in Bandung, Indonesia, especially plastic waste. Every year, there is increasing trend of the need of plastic about 200.000 tons annually in the country. Taking focus of plastic bag waste, it poses real environmental impacts because of its characteristic of low degradability so it may cause flooding by clogging the drainage, polluting the ocean, and producing toxic gases when burned. The first method of 3R concept, reduce, is used in this study by implementing the provision of shopping bags so that waste can be reduced. This study aims to determine the effect of intervention on plastic bag waste reduction. There are six sites with three levels of economic differences. Intervention is given to the three sites, while others are not. Waste sampling carried out by two phases, phase I performed before intervention and phase II performed after the intervention is completed. Intervention contains provision of shopping bags and information related to plastic bags. The result, Bandung produces waste up to 2.16 litres/person/day or 0.40 kg/person/day with the average composition of the waste plastic bag is 5.66% from total waste. In detail, ccomposition of plastic bag waste in the upper class community is 7.45%, the middle class is 5.35%, and the lower class is 4.18%. Test of significance, t-test of plastic bag waste from phase I and phase II, shows that the intervention has a significant effect on plastic bag waste reduction. On average, shopping bag intervention approach successfully reducing plastic bag waste up to 35% in the study area.
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Ion Pump Design for Improved Pumping Speed at Low Pressure
Paolini, Chiara,Audi, Mauro,Denning, Mark The Korean Vacuum Society 2016 Applied Science and Convergence Technology Vol.25 No.6
Even if ion pumps are widely and mostly used in ultra-high vacuum (UHV) conditions, virtually every existing ion pump has its maximum pumping speed around 1E-6 mbar (1E-4 Pa). Discharge intensity in the ion pump Penning cell is defined as the current divided by pressure (I/P). This quantity reflects the rate of cathode bombardment by ions, which underlies all of the various pumping mechanisms that occur in ion pumps (chemisorption on sputtered material, ion burial, etc.), and therefore is an indication of pumping speed. A study has been performed to evaluate the influence of magnetic fields and cell dimensions on the ion pump discharge intensity and consequently on the pumping speed at different pressures. As a result, a combination of parameters has been developed in order to design and build an ion pump with the pumping speed peak shifted towards lower pressures. Experimental results with several different test set-ups are presented and a prototype of a new 200 l/s ion pump with the maximum pumping speed in the 1E-8 mbar (1E-6 Pa) is described. A model of the system has also been developed to provide a framework for understanding the experimental observations.
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Paulo Schiavom Duarte,Luciana Audi de Castroneves,Heitor Naoki Sado,Marcelo Tatit Sapienza,Ana Amélia Fialho de Oliveira Hoff,Carlos Alberto Buchpiguel 대한핵의학회 2018 핵의학 분자영상 Vol.52 No.4
Herein, we report a case of a 19-year-old man with multiple endocrine neoplasia type 2B (MEN2B) and medullary thyroidcarcinoma (MTC) diagnosed when he was 12 years of age. The patient had previously undergone total thyroidectomy, cervicalradiotherapy, and chemotherapy. He progressed with known bone, pulmonary, and lymph node metastases and was scanned with18F-fluoride (18F-NaF) and 68Ga-dotatate whole-body positron emission tomography/computed tomography (PET/CT) for metastaticdisease monitoring.We found that the MTC bone metastases and soft tissue calcified metastases were better characterizedon 18F-NaF PET/CT than on 68Ga-dotatate PET/CT. This case illustrates that the 18F-NaF PET/CT could be helpful not only tothe detection of bone metastases but also to the detection of calcified soft tissue metastases in patients with MTC.
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Ion Pump Design for Improved Pumping Speed at Low Pressure
Chiara Paolini,Mauro Audi,Mark Denning 한국진공학회 2016 Applied Science and Convergence Technology Vol.25 No.6
Even if ion pumps are widely and mostly used in ultra-high vacuum (UHV) conditions, virtually every existing ion pump has its maximum pumping speed around 1E-6 mbar (1E-4 Pa). Discharge intensity in the ion pump Penning cell is defined as the current divided by pressure . This quantity reflects the rate of cathode bombardment by ions, which underlies all of the various pumping mechanisms that occur in ion pumps (chemisorption on sputtered material, ion burial, etc.), and therefore is an indication of pumping speed. A study has been performed to evaluate the influence of magnetic fields and cell dimensions on the ion pump discharge intensity and consequently on the pumping speed at different pressures. As a result, a combination of parameters has been developed in order to design and build an ion pump with the pumping speed peak shifted towards lower pressures. Experimental results with several different test set-ups are presented and a prototype of a new 200 l/s ion pump with the maximum pumping speed in the 1E-8 mbar (1E-6 Pa) is described. A model of the system has also been developed to provide a framework for understanding the experimental observations.
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( Andree Kurniawan ),( Theo Audi Yanto ),( Nata Pratama Hardjo Lugito ),( Resa Setiadinata ),( Margaret Merlyn Tjiang ),( Indra Wijaya ),( Stevent Sumantri ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Obesity is an important risk factor for prehypertension and hypertension, and there are sex-specifi c differences in prevalence of obesity and hypertension. There is limited data about prehypertension in young adult in Indonesia. The aim of this study was to determine whether obesity has relationships with prehypertension and hypertension. Methods: The participants were Indonesian medical students aged 18-25 years. Subjects were classifi ed into three blood pressure (BP) groups; normotensive (BP below or equal to 120/80 mmHg), pre-hypertensive (BP between 120/80 mmHg to 140/90 mmHg) and hypertensive (BP above 140/90 mmHg). Obesity was evaluated by BMI above 25 kg/m2. Association of blood pressure in obese medical students was measured by using odds ratio (OR). Results: Eighty nine Indonesian medical students aged 18-25 years participated in the study. Twenty seven percent students were obese. There were 84.3% normotensive, 11.2% pre-hypertensive and 4.5% hypertensive students. Odds ratio of prehypertension and hypertension compared with normotension in obese students was 7.200 (p <0.000; 95% CI [2.103 - 24.656]). Conclusion: Obesity is associated with prehypertension and hypertension in Indonesian medical student. Key words: obesity, prehypertension, medical students
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Ueda Cristina Emiko,Duarte Paulo Schiavom,Castroneves Luciana Audi,Coura-Filho George Barbério,Sado Heitor Naoki,Sapienza Marcelo Tatit,Ana Oliveira Hoff,Buchpiguel Carlos Alberto 대한핵의학회 2020 핵의학 분자영상 Vol.54 No.6
Purpose To compare the 18F-NaF PET/CT studies (18F-NaF) with other imaging methods in the detection of skeletal metastases (SM) in patients with medullary thyroid cancer (MTC). Methods We retrospectively analyzed 31 patients with MTC who performed 18F-NaF to assess SM. The results of the 18F-NaF were compared with other imaging methods performed for metastasis detection: 99Tc-MDP bone scan (BS), magnetic resonance imaging (MRI), contrast-enhanced CT (CT), and 68Ga-Dotatate and 18F-FDG PET/CT studies. A qualitative analysis comparing the 18F-NaF findings with the ones of the other methods was performed, and the results were classified as superior (>), equal (=), and inferior (<). Results Eleven patients had no bone metastases detected on any of the imaging methods used. Twenty patients presented SM depicted on 18F-NaF. Of these 20 patients, 12 performed bone scan (in 9 18F-NaF > BS and in 3 18F-NaF = BS), 1 performed 18F-FDG (18F-NaF > 18F-FDG), 4 performed 68Ga-Dotatate (in 2 18F-NaF > 68Ga-Dotatate and in 2 18F-NaF = 68Ga-Dotatate), 20 performed CT of at least one body segment (in 15 18F-NaF = CT and in 5 18F-NaF > CT), and 16 performed MRI of at least one body segment, and in all of them, the 18F-NaF was equal to the MRI. Beside this, the 18F-NaF detected SMin body segments not routinely scanned in MRI and CT. Conclusion In patients with MTC, the 18F-NaF seems to be equal or superior to other imaging modalities in the detection of SM and allows the analysis of the whole skeletal in a single study.
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( Andree Kurniawan ),( Nata Pratama Hardjo Lugito ),( Margaret Merlyn Tjiang ),( Theo Audi Yanto ),( Lilia Angela ),( Ernestine Vivi Sadeli ),( Shia Elizabeth Ariel Setiawan ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: One third of all patients hospitalized with cirrhosis have at least oneinfection during hospitalization and one of etiology was C. diffi cile infection. Those infection could increase length of stay and mortality. There is still limited data exploring those problems. The aim of this study to know characteristic and risk factor of C. diffi cile associated diarrhea infection in liver cirrhosis patients. Methods: This cross-sectional study was conducted in Internal medicine ward at General hospital, Karawaci, Tangerang, Banten, Indonesia from May 2013 until April 2014. The inclusion criteria are adult patients diagnosed having cirrhosis by abdominal ultrasound. The exclusion criteria were pregnant woman and having C. diffi cile infection before. Their feces were checked for C. diffi cile antigen and toxin using C. Diff complete quick check. All of subject then divided into 2 groups if they having nosocomial diarrhea and all were analyzed using Pearson Chi Square. Results: Of 55 patient subjects, there were 35 males and 20 females. Median age was 51 (16-79) year old. The etiology of liver cirrhosis was 52.7% hepatitis B, 7.3% hepatitis C and the others undefi ned. The most common degree of liver cirrhosis was 67.3% child Pugh B. About 14.5% subject had nosocomial diarrhea. All those subjects had positive for antigen and toxin C. diffi cile. From 14.5% those patients, 25.5% had history antibiotic consumption, 23.6% had history of hospitalization and 20% had history using proton pump inhibitor in the last 3 months. Unfortunately, There were no statistically signifi cant related to those potential risk factors. Conclusions: The incidence of C. diffi cile infection associated diarrhea in liver cirrhosis patients was 14.5%. The potential risk factors were history of antibiotic, proton pump inhibitor usage, and hospitalization in last 3 months.
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Advancing Cancer Prevention and Behavior Theory in the Era of Big Data
Audie A. Atienza,Katrina J. Serrano,William T. Riley,Richard P. Moser,William M. Klein 대한암예방학회 2016 Journal of cancer prevention Vol.21 No.3
The era of “Big Data” presents opportunities to substantively address cancer prevention and control issues by improving health behaviors and refining theoretical models designed to understand and intervene in those behaviors. Yet, the terms “model” and “Big Data” have been used rather loosely, and clarification of these terms is required to advance the science in this area. The objectives of this paper are to discuss conceptual definitions of the terms “model” and “Big Data”, as well as examine the promises and challenges of Big Data to advance cancer prevention and control research using behavioral theories. Specific recommendations for harnessing Big Data for cancer prevention and control are offered.
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