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Current Blood Flow News and Events, Blood Flow News Articles.
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Stem cell treatment for vascular diseases can be predicted through real-time observation
The Korea Institute of Science and Technology(KIST) recently announced that the collaborative research team led by Dr. Kwangmeyung Kim from Center for Theragnosis and Sung-Hwan Moon from Stem Cell Research Institute, T&R Biofab Co. Ltd developed a method that can predict the therapeutic efficacy based on the distribution of the initial transplantation of hEPCs by tracking the initial distribution and migration of the transplanted cells using fluorescence romographic images. (2020-12-18)

Scientists develop new land surface model including multiple processes and human activities
Researchers from the Institute of Atmospheric Physics developed a land surface model CAS-LSM that has improved the descriptions of biogeochemical process and urban modules, compared with the earlier version of this model. (2020-12-18)

A step toward understanding why COVID-19 boosts stroke risk
A UCLA-led study may help explain how COVID-19 increases the risk for stroke. Scientists made the finding by running fluid spiked with a COVID-19-like protein through a 3D-printed model of the arteries of a patient who had suffered a stroke. (2020-12-18)

Impaired blood vessel and kidney function underlie heart disease risk in people with HIV
People living with human immunodeficiency virus (HIV) have impaired blood vessel function, which increases risk of heart and blood vessel-disease. The increased heart disease risk is especially pronounced in people with HIV who also have kidney disease. The increased heart disease risk remains regardless of HIV severity or use of antiretroviral therapy. (2020-12-17)

Fibrous protein finding may lead to improved bioprinting, tissue engineering
Fibrous proteins such as collagen and fibrinogen form a thin solid layer on the surface of an aqueous solution similar to the 'skin' that forms on warm milk, according to a team of Penn State Researchers, who believe this finding could lead to more efficient bioprinting and tissue engineering. (2020-12-17)

Some neurons target tiny cerebral blood vessel dilation
Neurons control blood flow in tiny vessels in the brain, but researchers know little about this relationship. Now a team of Penn State engineers has found a connection between nitric oxide expressing neurons and changes in arterial diameters in mice, which may shed light on brain function and aging. (2020-12-16)

Gene therapy for placental insufficiency moves toward the clinic
A new study identified an adenovirus gene therapy vector carrying a VEGF isoform. It can improve uterine blood flow in placental insufficiency. (2020-12-15)

Hinder handing the message -- stopping tumors from creating new blood vessels
Researchers from Tokyo Medical and Dental University (TMDU) have found that vasohibin-1 (VASH1), a protein known to prevent the formation of new blood vessels, acts by changing the conditions of microtubules which bring blocking the certain signal from outside through encumbering transport of its message to the inner of cell. The unique function of this protein can inhibit tumor cells from spreading throughout the body, making it a notable finding for cancer therapeutic research. (2020-12-14)

A new way to make arteries
In the study, published in Nature, the authors propose that selective blockade of cell proliferation and metabolism could be used to enhance arterialization in patients with cardiovascular disease. (2020-12-09)

Health care workers' COVID infections driven mainly by community exposure
In a well-resourced health system with adequate PPE, health care worker risk for SARS-CoV-2 infection was more strongly driven by community exposure than patient exposure early in the pandemic, reports a new study. The study of 6,510 health care workers is the largest systematically collected cohort study of health care worker risk for SARS CoV-2 in the U.S. Nurses were the only occupation group with higher risks once community exposure was accounted for. (2020-12-09)

Risk of serious complications during knee replacement 73% higher when a tourniquet is used
The risk of developing serious complications following a knee replacement could be up to 73% higher when a tourniquet is used, compared to surgery without a tourniquet. Serious complications during knee replacement surgery are rare. However, researchers at the University of Warwick found that 5.9% of patients whose operations involved a tourniquet had serious complications needing additional health care, compared to 2.9% in those operated on without a tourniquet. (2020-12-08)

Magnetic bacteria as micropumps
ETH scientists use magnetic bacteria to control liquids at the micro level. They are already thinking about using them in the human bloodstream for precision delivery of cancer drugs to a tumour. (2020-12-08)

New method to boost supply of life-saving stem cells
Researchers at the Centre for Genomic Regulation (CRG) in Barcelona and Columbia University in New York City have found a new method for growing a large quantity of life-saving blood stem cells. The scarcity of these cells is one of the greatest limitations for their use in a variety of medical procedures, from treatment of blood cancers to inherited blood disorders that require a bone marrow transplantation. (2020-12-08)

RUDN immunologists developed method for assessing inflammation in respiratory tract diseases
A team of immunologists from RUDN University suggested a new tool to control inflammation levels in asthma patients with accompanying diseases. To obtain information about disease flow and risks of complications, they used different types of cytokines found in the patients' nasal swabs. (2020-12-05)

Characterising complex flows in 2D bubble swarms
Research published in EPJ E shows that in 2D simulated fluids, upward-flowing swarms of bubbles, a mathematical relationship describing the nature of flows in their wake, previously thought to be universal, actually changes within larger-scale flows in less viscous fluids. (2020-12-04)

New study debunks blood type diet
A study published in the Journal of the Academy of Nutrition and Dietetics by researchers with the Physicians Committee for Responsible Medicine -- a nonprofit of 12,000 doctors -- debunks the 'blood type diet' by finding that blood type was not associated with the effects of a plant-based diet on body weight, body fat, plasma lipid concentrations, or glycemic control. (2020-12-04)

Crystals may help reveal hidden Kilauea Volcano behavior
Stanford researchers used millimeter-sized crystals from the 1959 eruption of Hawaii's Kilauea Volcano to test models that offer insights about flow conditions prior to and during an eruption. (2020-12-04)

A new era is dawning in diagnosing sexually transmitted infections in men
Researchers and doctors from the University of Tartu and Tartu University Hospital evaluated the use of a novel revolutionary method, flow cytometry, for diagnosing urethritis in Estonian men. The study published in PLOS ONE confirmed the efficiency of the method and showed that most often urethritis was due to chlamydia. Gonorrhoea caused the strongest urethral inflammation. (2020-12-03)

Experimental study on the viscoelastic flow mixing in microfluidics
Experimental Study on the Viscoelastic Flow Mixing in Microfluidics https://doi.org/10.15212/bioi-2020-0029 Announcing a new publication for BIO Integration journal. In this article the authors Meng Zhang, Wu Zhang, Zihuang Wang and Weiqian Chen from Sun Yat-Sen University, Guangzhou, China, Harvard University, Cambridge, MA, USA and Guangzhou University, Guangzhou, China review viscoelastic flow mixing in microfluidics. (2020-12-03)

Better diabetes treatment: New insulin molecule can self-regulate blood sugar
Researchers from the University of Copenhagen and biotech firm Gubra have developed a new insulin molecule that will make blood sugar regulation both easier and safer for those with type 1 diabetes. (2020-12-03)

Research leads to better modeling of hypersonic flow
Designing a thermal protection system to keep astronauts and cargo safe requires an understanding at the molecular level of the complicated physics going on in the gas that flows around the vehicle. Recent research at the University of Illinois Urbana-Champaign added new knowledge about the physical phenomena that occur as atoms vibrate, rotate, and collide in this extreme environment. (2020-12-03)

Liver cirrhosis: Disease progression
Patients with liver cirrhosis display a wide range of clinical symptoms. A prospective study conducted by MedUni Vienna has now shown that blood levels of biomarkers for systemic inflammation increase over the various stages of the disease and can predict the development of complications, even in previously asymptomatic patients. (2020-11-30)

Gene therapy gives man with sickle cell disease the chance for a better future
Watch a video about Evie's treatment with an experimental gene therapy for sickle cell disease here: https://www.youtube.com/watch?v=XmQJpuLx07Y (2020-11-30)

Accurate and efficient 3D motion tracking using deep learning
A new sensing method has made tracking movement easier and more efficient. A research group from Tohoku University has captured dexterous 3D motion data from a flexible magnetic flux sensor array, using deep learning and a structure-aware temporal bilateral filter. (2020-11-27)

High blood pressure in midlife is linked to increased brain damage in later life
Higher than normal blood pressure is linked to more extensive brain damage in the elderly, according to a new study published today in the European Heart Journal. In particular, the study found that there was a strong association between diastolic blood pressure (the blood pressure between heart beats) before the age of 50 and brain damage in later life, even if the diastolic blood pressure was within what is normally considered to be a healthy range. (2020-11-25)

Cocoa flavanols boost brain oxygenation, cognition in healthy adults
The brains of healthy adults recovered faster from a mild vascular challenge and performed better on complex tests if the participants consumed cocoa flavanols beforehand, researchers report in the journal Scientific Reports. In the study, 14 of 18 participants saw these improvements after ingesting the flavanols. (2020-11-24)

To push or to pull? How many-limbed marine organisms swim
Couinter-intuitively, small marine animals don't use their limbs or propulsors to push themselves through the water while swimming. Instead, their appendages create negative pressure behind them that pulls the animal through the water, scientists from the Marine Biological Laboratory report. (2020-11-24)

Contact lenses for diagnostic and therapeutic use
A collaborative team, which includes a group from the Terasaki Institute for Biomedical Innovation, has developed a fabrication method to meet all the challenges in making a hydrogel contact lens for biomarker sensing. The specially engineered contact lenses use tears to monitor patient health. (2020-11-23)

Targeting calcium overload could improve stroke outcomes, research suggests
Excessive calcium contributes to harmful inflammation in ischemic stroke, and targeting it may provide doctors with a new way to improve patient outcomes. (2020-11-23)

Tracing the flow of cerebrospinal fluid
Understanding how the clear, watery substance flows through the brain could yield new insights into health and disease. (2020-11-23)

Unlocking cheaper chemicals
A new technique to make cheaper more efficient biological enzyme hybrids could have valuable applications in future water recycling, targeted drug manufacturing and other industries, Flinders University green chemistry researchers say in a new publication. The model enzyme system, which immobilises a catalyst enzyme hybrid for continuous flow use in the high-speed vortex fluidic device, showed a 16-fold increase in its efficiency, the researchers say in American Chemical Society journal, ASC Applied Materials & Interfaces. (2020-11-22)

Researchers develop more efficient method to recover heavy oil
The current global supply of crude oil is expected to meet demand through 2050, but there may be a few more drops to squeeze out. By making use of a previously undesired side effect in oil recovery, researchers have developed a method that yields up to 20% more heavy oil than traditional methods. Tokyo University of Agriculture and Technology (TUAT) team published their results on August 24 in Energy & Fuels, a journal of the American Chemical Society. (2020-11-21)

Biofriendly protocells pump up blood vessels
In a new study published today in Nature Chemistry, Professor Stephen Mann and Dr Mei Li from Bristol's School of Chemistry, together with Associate Professor Jianbo Liu and colleagues at Hunan University and Central South University in China, prepared synthetic protocells coated in red blood cell fragments for use as nitric oxide generating bio-bots within blood vessels. (2020-11-20)

A bypass route for the coronary vessels in the heart?
When the heart develops, some of its coronary blood vessels develop from cells lining the inner surface of the heart's ventricular chambers (endocardium). Novel findings suggest that new blood vessel growth in the heart can be stimulated with the VEGF-B growth factor from the same source after myocardial infarction to increase blood delivery to the damaged area. (2020-11-19)

Elephant genetics guide conservation
A large-scale study of African elephant genetics in Tanzania reveals the history of elephant populations, how they interact, and what areas may be critical to conserve in order to preserve genetic diversity of the species. (2020-11-19)

Three reasons why COVID-19 can cause silent hypoxia
To crack the mystery of what causes silent hypoxia, a condition when oxygen levels in the body are abnormally low, BU biomedical engineers used computer modeling to test out three different scenarios that help explain how and why the lungs stop providing oxygen to the bloodstream. (2020-11-19)

Small finlets on owl feathers point the way to less aircraft noise
Collaboration between City, University of London and RWTH Aachen University researchers reveals how these micro-structures enable silent flight. (2020-11-18)

Peel-off coating keeps desalination cleaner and greener
A polyelectrolyte coating enables clean seawater desalination systems without harmful chemicals. (2020-11-16)

Exercised over nothing: Masks don't impair lung function during physical activity
A team of American and Canadian researchers report that while they may feel uncomfortable, there is little empirical evidence that wearing a facemask significantly diminishes lung function, even when worn during heavy exercise. (2020-11-16)

A change of heart -- new drug for HCM reduces heart mass
For the first time, a medication has impacted heart muscle thickness and function for patients with the most common inherited heart condition, hypertrophic cardiomyopathy, rather than simply addressing their symptoms. (2020-11-16)

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