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Life Sciences

Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.

447,757 articles | 2542 topics

Health and Medicine

Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.

431,843 articles | 751 topics

Social Sciences

Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.

260,756 articles | 745 topics

Physical Sciences

Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.

257,913 articles | 1552 topics

Applied Sciences and Engineering

Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.

225,386 articles | 998 topics

Scientific Community

Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.

193,043 articles | 157 topics

Space Sciences

Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.

29,662 articles | 175 topics

Research Methods

Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.

21,889 articles | 139 topics

Mathematics

Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.

3,023 articles | 113 topics

An effective strategy for inhibition of cirrhosis

The study found that Qianggan-Rongxian decoction can inhibit hepatic fibrosis and prevent the development of cirrhosis in rats. It also showed a significant reduction in serum levels of ALT and AST, indicating liver cell protection.

The natural history of 'healthy-HCV carriers'

A study published in the World Journal of Gastroenterology found that HCV-infected patients without initial liver damage are at risk of fibrosis progression. Factors associated with this development include elevated transaminases, body mass index above 25, and time interval between biopsies.

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Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Rosiglitazone prevents hepatic fibrosis?

Rosiglitazone, an antidiabetic drug, has been found to prevent hepatic fibrosis due to Schistosoma japonicum infection. PPARgamma ligand is thought to play a key role in this process.

Biomarkers identified for idiopathic pulmonary fibrosis

A team of researchers from the University of Pittsburgh School of Medicine has identified a unique combination of blood proteins that distinguish IPF patients from normal controls with extraordinary sensitivity and precision. The five protein signature may help monitor lung fibrosis, detect disease progression, and evaluate treatment e...

Scientists identify novel way to prevent cardiac fibrosis

Researchers at the University of California, San Diego, have discovered a novel way to prevent cardiac fibrosis by targeting the Epac molecule. By increasing Epac expression, they were able to block the ability of agents to promote fibrosis in cardiac fibroblasts.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Noninvasive ways to assess liver disease

New studies validate non-invasive methods for diagnosing liver fibrosis and cirrhosis, with enhanced panels showing good diagnostic accuracy and simple markers augmenting performance, offering potential for eliminating the need for liver biopsy in over 80% of cases.

Regular marijuana use increases risk of hepatitis C-related liver damage

Patients with chronic hepatitis C infection who use cannabis daily are at higher risk of moderate to severe liver fibrosis. Cannabis use combined with heavy alcohol consumption significantly increases the risk of liver damage. The American Gastroenterological Association recommends avoiding cannabis use in patients with HCV.

MRI techniques evolving towards better assessment of liver fibrosis

Recent studies have shown that magnetic resonance elastography and other imaging strategies can detect hepatic fibrosis with high sensitivity and specificity. Non-invasive techniques like MRI could replace liver biopsy, which is currently the best way to assess fibrosis but carries serious side effects.

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Researchers show that fibrosis can be stopped, cured and reversed

Researchers at UC-San Diego have developed a modified protein that can block excessive scar tissue growth in the liver, stopping its progression and even reversing some cell damage. The peptide has shown promising results in animal studies, opening new possibilities for treating conditions like cirrhosis of the liver.

Molecular pathway appears crucial in development of pulmonary fibrosis

Researchers at Massachusetts General Hospital have discovered a crucial molecular pathway underlying idiopathic pulmonary fibrosis (IPF), a deadly lung disease. The study found that lysoposphatidic acid (LPA) and its receptor LPA1 play a key role in attracting fibroblasts, leading to scarring of lung tissue.

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JCI table of contents: Nov. 21, 2007

Smoking before or during pregnancy may decrease fertility in female offspring, according to a new mouse study. The study found that exposure to environmental toxins like polycyclic aromatic hydrocarbons (PAHs) can reduce the number of follicles in female mice, leading to reduced fertility.

JCI table of contents: Nov. 15, 2007

Researchers identified a mechanism that represses dendritic cell function in melanoma, which could be targeted for treatment. A new approach to treating myotonia in individuals with DM1 was also discovered using morpholino antisense oligonucleotide.

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MRI predicts liver fibrosis, study says

A recent study found that diffusion-weighted MRI (DWI) can predict moderate to severe chronic liver disease. The technique measured water diffusion in the liver tissue and showed promise as a non-invasive alternative to liver biopsy.

Liver fibrosis will be treated by a potential target

Researchers have identified activin receptor-interacting protein 2 (ARIP2) as a potential target for treating liver fibrosis. The study found that ARIP2 negatively regulates activin signal pathways, which can help prevent collagen type IV production and alleviate liver damage.

Noninvasive tests for cirrhosis may help to avoid liver biopsy

Researchers have found promising results with three new non-invasive imaging tests that can diagnose fibrosis and cirrhosis of the liver without a biopsy. Ultrasound-based transient elastography was accurate in identifying patients with cirrhosis, while MR elastography showed nearly 100% accuracy in detecting any degree of liver fibrosis.

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Extra-aggressive form of idiopathic pulmonary fibrosis identified

A subset of patients with idiopathic pulmonary fibrosis (IPF) has been found to have a short duration of symptoms before diagnosis and an accelerated clinical course to end-stage disease. This 'rapid progressor' group is characterized by distinct gene expression patterns, which may lead to the development of new therapeutic interventions.

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Sony Alpha a7 IV (Body Only)

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A new index for measuring liver fibrosis

A new study found that a series of simple blood tests can accurately diagnose liver fibrosis in patients with chronic hepatitis C. The FibroIndex was more accurate than two other indices and showed promise as a non-invasive alternative to liver biopsy.

Rice breakthrough could prevent multiple fibrotic diseases

Researchers at Rice University have identified a naturally occurring blood protein called serum amyloid P, or SAP, which prevents the formation of life-threatening scar tissue in fibrotic diseases. The discovery has promising results in lab animal tests and could eventually save thousands of lives with human clinical trials.

New treatment hope for systemic sclerosis

Researchers discovered that imatinib mesylate inhibits the synthesis of extracellular matrix proteins and prevents tissue fibrosis in patients with systemic sclerosis. The study provides promising results for a new treatment approach, but more extensive studies are needed to confirm its efficacy.

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Combined contrast enhanced MRI shows promise

A new study reveals that combined contrast enhanced MRI (CCE-MRI) closely matches the staging of non-alcoholic fatty liver disease (NAFLD) using conventional pathology. CCE-MRI offers a safer alternative to invasive liver biopsy, directly visualizing fibrosis and detecting liver cancers simultaneously.

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GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

American Thoracic Society journal news tips for November 2005 (first issue)

A new study identifies genetic susceptibility as a significant risk factor for pulmonary fibrosis. The condition, which can be triggered by smoking and other factors, causes inflammation and scarring in the lungs. Researchers also explored a more accurate blood test to detect latent tuberculosis infection.

Lung scarring diseases linked to genes and smoking

Researchers discovered a genetic basis for idiopathic pulmonary fibrosis, with those having ever smoked cigarettes being 3.6 times more likely to develop the disease. The study also highlights the importance of avoiding cigarette smoking as a preventive measure for this devastating lung condition.

JCI table of contents November, 2005

Researchers Phillipe Besnard and colleagues pinpoint CD36 as the sensor for lipid detection in the oral cavity. They show that lingual stimulation of CD36 influences behavioral and digestive physiology. The findings suggest a potential pathway mediating fat taste, which may contribute to obesity risk through feeding dysregulation.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Inheritance, smoking spawn mysterious and deadly lung disease

Researchers found a common genetic defect that prevents proper lung repair, increasing risk of idiopathic pulmonary fibrosis in families with a history of the disease. Smoking is also a major contributor to the disease, particularly among those with a family history.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Animal study shows link between nicotine and atrial flutter

Researchers found that nicotine caused a significant increase in atrial interstitial fibrosis and electrical remodeling in hearts with myocardial infarction, leading to atrial flutter. The study suggests a causal link between nicotine and atrial flutter, potentially informing new therapeutic strategies.

Transplanted bone marrow cells reduce liver fibrosis in mice

Researchers found that transplanted bone marrow cells reduced liver fibrosis in mice treated with carbon tetrachloride. The treatment also improved survival rates and increased serum albumin levels, suggesting a new concept for treating liver fibrosis.

Serum caspase activity and liver fibrosis in patients with hepatitis C

Researchers found elevated caspase levels in HCV patients with normal aminotransferase levels, associated with higher stages of liver fibrosis. The study suggests that measuring caspase-mediated CK-18 cleavage in serum may be a more sensitive method to detect liver fibrosis in chronic HCV infection.

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Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Bone marrow–derived stem cells active in pulmonary fibrosis

Researchers have discovered that bone marrow-derived stem cells are present in the lungs of mice with pulmonary fibrosis. This finding suggests a new approach to treating the disease using stem cell therapy. Understanding how these stem cells engraft and interact with the lung tissue could lead to improved treatment outcomes.

JCI Table of Contents, January 15 2004

Researchers at Yale University demonstrate that OspC is critical for Borrelia burgdorferi's ability to invade tick salivary glands and be transmitted to humans. Meanwhile, studies on hereditary spastic paraplegia and idiopathic pulmonary fibrosis reveal potential new targets for treatment.

American Thoracic Society Journal news tips for September 2003 (first issue)

Researchers developed a new composite score combining CT imaging and pulmonary function testing to assess treatment effects in young cystic fibrosis patients. A new test was also developed to predict increased mortality risk in idiopathic interstitial pneumonia patients with significant decline in pulmonary function.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Viagra for alleviation of pulmonary hypertension?

A randomized controlled trial found that sildenafil reduced pulmonary blood resistance, a key indicator of pulmonary hypertension. The study suggests sildenafil could be a promising candidate for long-term treatment of secondary pulmonary hypertension in lung fibrosis. Controlled trials are needed to confirm the findings.