Mirror-Image DNA Strands Turn a Single PCR Tube Into Its Own Control
Researchers showed that mirror-image L-DNA strands added to a PCR reaction can serve as internal calibrators for confirming amplicon identity ...
Tag: analytical chemistry
Silver Nanocluster Probe Detects Clonazepam in Exhaled Breath Condensate
A chitosan-functionalized silver nanocluster fluorometric probe, optimized and validated under ICH guidelines, quantifies clonazepam in exhaled breath condensate from patients ...
HPTLC Method with Chemometric Fingerprinting Speeds Up Soyasaponin Analysis
A new HPTLC method with chemometric fingerprinting detects soyasaponins in soy-derived samples with a 20.3 ng detection limit and simplified ...
Plasma-made gold nanoparticles turn red to blue to flag toxic chromium in water
Researchers synthesized PVP-capped gold nanoparticles in one step with a plasma-under-liquid method and used their red-to-blue color change to detect ...
Portable mass spectrometry spots drug traces on pub surfaces in under two minutes
A portable mass spectrometry technique developed at the University of Surrey identified cocaine and ketamine on pub surfaces in under ...
Tryptophan-Derived Carbon Dots Detect Last-Resort Antibiotic in Cells and Water
Researchers report nitrogen and sulfur co-doped carbon dots made from L-tryptophan and thiourea that detect the antibiotic meropenem at nanomolar ...
Chromium Additive Boosts Sensitivity of 1,1-ADEQUATE NMR Fourfold
A preprint under review at Magnetic Resonance reports that adding 10 mM chromium(III) shortens relaxation times and improves signal-to-noise in ...
Machine Learning and FTIR Spectroscopy Team Up to Detect Sudan I Dye in Chili Powder
A new method pairs magnetic molecularly imprinted extraction with machine learning-assisted FTIR spectroscopy to quantify the illicit dye Sudan I ...
Morphine Detection Gets Faster, Cheaper and More Portable as New Analytical Methods Race to Keep Up With the Opioid Crisis
A new review maps the analytical arsenal for detecting morphine and its metabolites in biological samples, revealing that LC-MS remains ...
New UPLC Method Measures 15 Purine Metabolites in Half the Time
A refined UPLC-PDA technique quantifies 15 biologically relevant purine metabolites in 33 minutes with nanomolar sensitivity, validated in Lesch-Nyhan disease ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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