Articles tagged with Biochemical Analysis
Researchers developed a mathematical model to predict the efficiency of nanoparticle delivery into cells, particularly in stem cells. They found that nanoparticles become trapped in bubble-like vesicles, preventing them from reaching their targets.
Researchers at NIST developed a new, faster, and more accessible method for screening skin allergens without animal testing. The electrophilic allergen screening assay (EASA) achieved similar results to existing methods with 77% agreement rate, paving the way for potential standardization and increased international trade.
A new lab test has been developed by Rutgers scientists to identify COVID-19 variants. The test uses molecular beacon technology and can detect eight different mutations in the spike protein, increasing the transmissibility of the virus and evading immune defenses.
A novel inhibitor has been discovered that stalls a critical enzyme inside tumour cells, locking them in place and preventing invasion into healthy tissue. The findings hold promise for the development of metastasis-blocking agents.
Scientists identified six sets of genes that produce defense molecules when wheat is attacked by microbes. These gene clusters encode versatile chemicals including triterpenes and flavonoids, which could help breed more resistant wheat varieties.
Researchers create complex mixtures of biomolecules that spontaneously form self-organized patterns in response to environmental changes. This breakthrough bridges the complexity gap between chemistry and biology.
Autophagy is induced when ER-bound ribosomes are stalled, rescuing them from cellular harm. The ERC grant aims to decipher the role of Autophagy in rescuing stalled ER-bound ribosomes.
Researchers have identified a novel enzyme that catalyzes the formation of glycosidic bonds in complex sugar moieties. The discovery provides fresh insights into carbohydrate metabolism and offers a breakthrough for the synthesis of sugar chains, which play key roles in various biological processes.
Researchers analyzed mollusk shells at 4,000-year-old shell ring villages in Georgia and found environmental changes drove the formation and abandonment of these coastal communities. Smaller oyster shells and lower salinity conditions suggested depletion in oyster stocks and unsustainable fishing practices.
A ketogenic diet has been shown to improve spatial memory and visual memory, lower brain inflammation indices, and cause less neuronal death in individuals with traumatic brain injuries. The diet may also slow down the rate of cellular aging, offering hope for those suffering from this condition.
Researchers have created a cheap and rapid COVID-19 test using isothermal amplification, making it possible to detect any COVID-19 variants. The new system combines existing LAMP technology with novel coronavirus genome markers, allowing for quick detection without specialized equipment.
Researchers at Goethe University and the Max Planck Institute of Biophysics have gained new insights into how mitochondrial complex I facilitates proton transfer through water molecules. The study's high-resolution structure data enabled computer simulations that shed light on the protein's dynamics during its catalytic cycle.
Researchers in Japan have designed the first de novo-designed peptides that can form artificial nanopores to identify and enable single molecule-sorting of genetic material in a lipid membrane. The peptides can detect specific molecules, including DNA, and have the potential to mimic natural proteins' ability to detect specific proteins.
Scientists at the Max Planck Institute have uncovered how ExoY toxin becomes activated in human cells by binding to actin filaments, leading to devastating enzymatic activity. This discovery sheds light on a crucial molecular mechanism that underlies the pathogenicity of various toxins.
Researchers from Tokyo University of Science developed a self-powered diaper sensor that monitors urine sugar levels, providing an alternative biomarker for blood sugar monitoring. The sensor uses a biofuel cell powered by glucose in the urine, detecting sugar levels within 1 second and simplifying caretaking tasks.
Researchers repurpose cancer drug PLX3397 to combat sarcoma's growth and spread in animal models. The treatment inhibits CSF-1/CSF-1R signaling, reprogramming tumor-associated macrophages and stimulating immune cell infiltration.
A faster and cheaper COVID-19 test kit has been validated by Simon Fraser University researchers, offering an alternative to existing tests. The microchip-based test can provide accurate results in 30 minutes and requires significantly less reagent usage.
The co-planar optoelectrowetting device allows for individualized and parallel droplet actuation, increasing microfluidic input/output system integration configurations while achieving faster droplet speeds. The open-top design enables easier access to droplets from above, improving the performance of the device.
Researchers developed an AI-powered imaging-based tool to estimate hemoglobin levels using a microfluidic chip and automated microscope. The system was validated with a high correlation coefficient of 0.99, meeting regulatory standards. This innovation could revolutionize medical diagnostics by reducing costs and laboratory footprint.
Scientists at Northern Arizona University are developing a new test technology using Single Molecule Surface Enhanced Raman Spectroscopy to detect SARS-CoV-2 virus. The method aims to overcome challenges of existing tests, including false negatives and high costs.
Researchers at IBM and Polytechnique Montreal have developed a novel method to solve the dispersion problem in portable diagnostic systems. By stretching a water drop into a long ribbon-like shape, they can reduce the flow rate of the liquid locally, allowing for precise biochemical measurements with minimal user intervention.
Researchers created a biosensor for detecting prostate cancer recurrence with high sensitivity and low cost. The device, like a home pregnancy test, provides immediate results and can help improve patient outcomes.
Researchers found similar patterns of diagnostic laboratory tests across five countries, despite differences in poverty levels and disease prevalence. The top 25 most common tests were common everywhere, with biochemical tests being the lowest priced.
A golden head centipede can subdue a caged mouse in under 30 seconds by injecting an estimated 30 μl of crude venom containing SsTx. The peptide toxin strongly inhibits KCNQ4 channels, controlling pulmonary vascular tone and arterial tension, leading to vasoconstriction and cardiovascular effects.
In a concerning study, nearly 500 Bangladeshi children aged 9-12 tested positive for recent second-hand smoke exposure. The results reveal alarming rates of SHS exposure among Bangladeshi children, with 95% showing evidence of biochemically validated exposure.
Researchers from University of Cambridge find that ordinary people left homesteads to become nomadic herdsmen or took up arms with tribes. Meanwhile, some Huns adopted settled agriculture, enjoying a more stable lifestyle.
Researchers have developed a new brute force technique to test thousands of biochemical reactions at once, allowing them to quickly find optimal conditions. This breakthrough enables faster development of diagnostic tests and sheds light on molecular behavior in test tube conditions.
Researchers are breeding barley to make it more resistant to drought and heat, helping farmers avoid yield loss due to climate change. By identifying key molecular switches, they aim to create crops that can efficiently manage water under extreme weather conditions.
A simple test can rapidly detect preeclampsia, a deadly pregnancy-related condition affecting 5-8% of pregnancies worldwide. The Congo Red Dot (CRD) diagnostic test has an accuracy rate of 86%, identifying high blood pressure and protein in the urine.
Researchers have developed a highly sensitive test to detect infectious diseases like hepatitis C and superbugs. The new method can pick up tiny traces of metabolites, proteins or DNA fragments, making it 10,000 times more sensitive than other detection systems.
Researchers at Penn Vet used blood plasma and serum in glucometers for more accurate measurements than whole blood, finding results closely aligned with a gold standard machine. This simpler method may soon be adopted for human patients relying on glucometers.
A new blood test has been developed to diagnose early onset Alzheimer's disease, detecting changes in the brain two decades before symptoms appear. The test shows high accuracy in predicting AD risk and has the potential to improve treatment options.
Scientists developed a novel biochemical assay and algorithm to detect fetal chromosomal abnormalities in maternal blood, achieving high accuracy and efficiency compared to existing methods. The new approach has the potential to reduce unnecessary invasive testing and improve screening for Down syndrome and Edwards syndrome.
A study published in The Lancet shows that smokers are twice as likely to quit when receiving motivational text messages compared to placebo texts. Biochemical testing confirms the effectiveness of the txt2stop intervention, which doubled smoking quit rates.
A new study published in ACS' Journal of Proteome Research found that people with symptoms of potential celiac disease may not be 'potential' patients at all. The study suggests that these individuals have the same distinctive metabolic fingerprint as those with full-blown disease who benefit from gluten-free diets.
Current prenatal biochemical screening tests only detect half of chromosomal abnormalities, including trisomies and deletions. This limitation emphasizes the importance of counseling patients on the limitations of these tests to make informed decisions about invasive diagnostic testing.
Patients with subclinical Cushing syndrome experience significant clinical improvement after adrenalectomy, including improved diabetes and hypertension. The study highlights the benefits of surgery for some patients with large adrenal tumors who suffer from hormonal disorders.
Researchers have developed a new way to track neuropsychiatric symptoms in lupus using magnetic resonance spectroscopy (MRS), which measures biochemical changes in the body. The study found that MRS can detect changes in metabolites, such as glutamate and glutamine, that correlate with behavioral tests.
Researchers have developed a digital magnetofluidics method that enables precise analysis of biological fluids using nanoscale surface patterns. This technology holds promise for improving medical diagnoses, environmental safety, and public security by reducing testing time and costs.
Researchers screened 2000 anonymous surgical tonsillectomy specimens for the presence of rogue prion protein causing vCJD. No positive cases were identified, but a national large-scale prospective prevalence study is necessary to determine true community infection rates.
A recent study published in Alcoholism: Clinical & Experimental Research found that energy drinks like Red Bull do not improve physical performance when consumed with alcohol. The researchers surveyed Brazilian nightclub-goers and found that the combination of energy drinks and alcohol did not reduce depressant effects or increase stim...
Engineers at Ohio State University have developed a patent-pending technology that automates the ELISA biochemical test on a compact disc, significantly reducing the time required for manual testing. The CD-based system detects a sample of rat antibody in just one hour, using only one-tenth the usual amount of chemicals.