نتایج جستجو برای: scr

تعداد نتایج: 3895  

2009
Jessica A. Starr Jean M. Nappi

UNLABELLED Nesiritide is approved by Food and Drug Administration (FDA) for the treatment of patients with acute decompensated heart failure (ADHF) due its ability to rapidly reduce cardiac filling pressures and improve dyspnea. Numerous studies have shown that renal dysfunction is associated with unfavorable outcomes in patients with heart failure. In addition, there have been reports suggesti...

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 2004
Daniel Serón Pablo Gómez Ullate José Antonio Gutierrez-Colón Ildefonso Lampreabe Juan Carlos Ruiz-Millán Manuel Rengel

BACKGROUND The last decade has witnessed a sustained improvement of renal allograft survival that is partly explained by a better preservation of renal allograft function. This study describes time-dependent modifications of serum creatinine (SCr) during the first year after transplantation in the last decade in Spain and characterizes the predictive value of SCr on death-censored graft surviva...

Journal: :Clinical biochemistry 2008
Raul Narvaez-Sanchez Luz Gonzalez Alba Salamanca Myriam Silva Dora Rios Sinay Arevalo Ricardo Gastelbondo Javier Sanchez

BACKGROUND Chronic kidney disease (CKD) is a worldwide public health problem. Glomerular filtration rate (GFR) is accepted as the best way to diagnose and monitor kidney function. Plasma Cystatin C (CysC) has been proposed as a better marker of GFR than serum creatinine (SCr), but it is not widely used because of some drawbacks with CysC assays. Our purpose is to determine the diagnostic accura...

Journal: :Circulation 2012
Caroline S Fox Paul Muntner Anita Y Chen Karen P Alexander Matthew T Roe Stephen D Wiviott

BACKGROUND Acute kidney injury (AKI) is a risk factor for long-term adverse outcomes, including acute myocardial infarction and death. However, the relationship between severity of AKI and in-hospital outcomes in the setting of acute myocardial infarction has not been well documented. METHODS AND RESULTS The study population (n = 59,970) was drawn from the Acute Coronary Treatment and Interve...

1999
Zhijiang Li Maria Flytzani-Stephanopoulos

The promotion of Ag–ZSM-5 by cerium for the selective catalytic reduction (SCR) of NO with methane in the presence of an excess of oxygen was studied in this work. Ce–Ag–ZSM-5 catalyzes the CH4-SCR of NOx over the temperature range of 450–600◦C. Rate measurements of NO reduction to N2 under SCR conditions and of the competing CH4 oxidation by O2 (CH4 combustion) show that incorporation of a sma...

2006
B. A. Biller L. M. Close W. Brandner S. Kellner

We present VLT/NACO SDI images of the very nearby star SCR 1845-6357 (hereafter SCR 1845). SCR 1845 is a recently discovered (Hambly et al. 2004) M8.5 star just 3.85 pc from the Sun (Henry et al. 2006). Using the capabilities of the unique SDI device, we discovered a substellar companion to SCR 1845 at a separation of 4.5 AU (1.170”±0.003” on the sky) and fainter by 3.57±0.057 mag in the 1.575 ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1392

کاتکول بعنوان یک ترکیب فنلی می باشد و آن بعنوان یک آلاینده مهم محیط زیست در فاضلاب تولید شده از صنایع می باشد. هدف اصلی از این مطالعه، بررسی میزان حذف کاتکول با استفاده از فرآیند ازن زنی کاتالیز شده با نانوکریستال mgo در راکتور بستر سیال ترکیب شده با راکتور بیولوژیکی بستر چرخان (rbbr) از فاضلاب بود. این مطالعه دارای چهار مرحله اصلی بود. اهداف مراحل اول، دوم، سو م و نهایی این مطالعه، بررسی کار...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی عمران 1393

در میان مراحل تصفیه روغن‏ها، فرایند رنگبری روغن، از مهم‏ترین بخش‏هاست که رنگبری با جذب سطحی، رایج‏ترین روش بوده و خاک رس، پرکاربردترین جاذب مورد استفاده در این مرحله می‏باشد. از طرفی، دفع رس رنگبر ب‏عنوان پسماند کارخانه‏ های تولیدکننده روغن، مشکلات زیاد زیست محیطی و اقتصادی را برای این کارخانه ‏ها به همراه دارد. بنابراین، با بازیافت پسماندهای واحدهای تصفیه دوم روغن‏موتور مستعمل، علاوه‏ بر بازگر...

2017
Wei‐feng Zhang Tuo Zhang Ding Ding Shi‐qun Sun Xiao‐lei Wang Shi‐chun Chu Ling‐hong Shen Ben He

BACKGROUND Contrast-induced acute kidney injury (CI-AKI) was traditionally defined as an increase in serum creatinine (sCr) after contrast media exposure. Recently, serum cystatin C (sCyC) has been proposed as an alternative to detect acute changes in renal function. The clinical implications of combining sCyC and sCr to diagnose CI-AKI remain unknown. METHODS AND RESULTS One thousand seventy...

2003
Thomas J. Feeley

The U.S. Environmental Protection Agency (EPA) performed an Information Collection Request (ICR) in 1999 to gather additional information on the control and emission of mercury from coal-fired power plants. The ICR data indicates that a significant, but highly variable, amount of mercury removal can occur across a power plant’s conventional air pollution control (APC) equipment used for the cap...

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