Abstract: A highly sensitive fiber-optic urea sensor was designed and experimentally demonstrated based on surface plasmon resonance (SPR) effect and metal-organic zeolite framework (MOF), [zeolite ...

Earnings over $24,480 (2026) before full retirement age reduces Social Security benefits. Claimed Social Security early; half of earnings above the threshold are withheld. Benefits recalculated at ...

A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in diagnoses at later stages of the disease. By Rebecca Robbins and Gina Kolata A ...

The nervous, gastrointestinal, renal, and cardiovascular systems orchestrate ion-fluid homeostasis and impose reciprocal adaptations to hypertensive challenges. Mechanistic insight into the interorgan ...

President Trump told reporters Monday that he had aced a cognitive test, comparing himself favorably to two younger Democrats, both of whom are non-white women. “The first couple of questions are easy ...

The Trump administration is making it harder to pass the oral exam required for immigrants seeking naturalization as U.S. citizens. The new test is also longer. Green card holders who file for ...

Scientists have cracked one of chemistry’s toughest challenges with indoles, using copper to unlock a spot once thought too stubborn to change. The discovery could pave the way for easier, cheaper ...

A cost-effective copper-catalyzed reaction enables selective modification at the C5 position of the indole ring, a backbone for pharmaceutical compounds Indole, a molecule made up of a six-membered ...

Background and Aim: The current diagnostic methods for detecting Helicobacter pylori infection include rapid urease test (RUT), urea breath test (UBT), histology, culture, and serum antibody detection ...

*Department of Internal Medicine, Wakayama Medical University Kihoku Hospital and † Second Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan Distribution of delta-pH values ...