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Handy pen-like tool could help detect opioids from the skin

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  • 2025-06-25 00:17 event
  • 2 months ago schedule
Handy pen-like tool could help detect opioids from the skin
Opioids like fentanyl, morphine and oxycodone are the drugs most linked to overdoses in the U.S. Typical screening methods for drug usage involve collection of blood, saliva or urine samples. Now, in Analytical Chemistry, researchers demonstrate a pen-like tool that can quickly and non-invasively collect molecules from the skin's surface to be screened for opioids with mass spectrometry.

3.089. Small molecule treatment could make islet transplantation therapy more effective

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A pretreatment step could help transplanted pancreatic islets survive longer in patients with type 1 diabetes, according to a new preclinical study from Weill Cornell Medicine investigators. One combination of small molecules extended the cells' lives in female mice, and adding two molecules to the mixture boosted cell survival in male mice.

3.090. Scientists reveal neural mechanism that could lead to better pain relief

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Researchers have pinpointed the precise pathway in the brain that suppresses pain in times of threatening situations.

3.091. Ending TB in Southeast Asia: ASEAN's vaccine diplomacy and digital health tools

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The Association of Southeast Asian Nations (ASEAN) has consistently taken a proactive role in controlling tuberculosis (TB) in the region. But with Southeast Asia accounting for a significant share (45%) of global TB cases, the fight remains a long and winding road.

3.092. Complex roots of disordered eating found in college students

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New research with University of Cincinnati connections debunks the standard assumption of disordered eating and proposes more personalized attention.

3.093. Semen allergies may be surprisingly common. Here's what you need to know

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Imagine itching, burning, swelling, or even struggling to breathe just moments after sex. For a small but growing number of women, that's not an awkward anecdote—it's a medical condition. It's called seminal plasma hypersensitivity (SPH)—an allergy to semen.

3.094. US approves twice-yearly injection for HIV prevention. What you need to know about lenacapavir

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The US Food and Drug Administration (FDA) has approved lenacapavir, an injectable drug that offers long-lasting protection against HIV infection. Administered once every six months, this new treatment marks a major advancement in expanding prevention options for people at risk of HIV infection.

3.095. Deadly dengue fever impacts climate-hit Bangladesh coast

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Mosquito-borne dengue fever was rarely a major problem in Bangladesh's coastal districts, but some hospitals are so full of those with the potentially deadly virus that patients are treated on the floor.

3.096. Simple household water tests trigger major behavior change that could reduce E.coli risk

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New research has shown that simply telling people whether their drinking water is safe can lead to major improvements in health behavior, even without household equipment or financial help.

3.097. How do sleep trackers work, and are they worth it? A sleep scientist breaks it down

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Many smartwatches, fitness and wellness trackers now offer sleep tracking among their many functions.

3.098. Handy pen-like tool could help detect opioids from the skin

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Opioids like fentanyl, morphine and oxycodone are the drugs most linked to overdoses in the U.S. Typical screening methods for drug usage involve collection of blood, saliva or urine samples. Now, in Analytical Chemistry, researchers demonstrate a pen-like tool that can quickly and non-invasively collect molecules from the skin's surface to be screened for opioids with mass spectrometry.

3.099. Inaccurate and misogynistic: Why we need to make the term 'hysterectomy' history

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Have you had a tonsillectomy (your tonsils taken out), appendectomy (your appendix removed) or lumpectomy (removal of a lump from your breast)? The suffix "ectomy" denotes surgical removal of the named body part, so these terms give us a clear idea of what the procedure entails.

3.100. 'ALS on a chip' model reveals altered motor neuron signaling

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Using stem cells from patients with ALS (amyotrophic lateral sclerosis), Cedars-Sinai has created a lifelike model of the mysterious and fatal disease that could help identify a cause of the illness as well as effective treatments.

3.101. Food allergies at summer camp: Study proposes cost-effective solution to keep kids safe

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Going off to summer camp can be a scary experience for children, but it can be even more nerve-wracking for parents of kids with food allergies. New UVA Health research reveals the most cost-effective way to keep those children safe.

3.102. Here's why some people suffer from motion sickness—and which remedies actually work

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Cars may be a modern phenomenon, but motion sickness is not. More than 2,000 years ago, the physician Hippocrates wrote "sailing on the sea proves that motion disorders the body." In fact, the word nausea derives from the Greek "naus," meaning ship.

3.103. Warm-ups, layered clothes, recovery: Four tips to exercise safely in the cold

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Temperatures have dropped in many parts of Australia, which means runners, cyclists, rowers, hikers, or anyone physically active outside need to take extra precautions to stay safe and exercise in relative comfort.

3.104. Trouble getting out of bed? Signs the 'winter blues' may be something more serious

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Winter is here. As the days grow shorter and the skies turn darker, you might start to feel a bit "off." You may notice a dip in your mood or energy levels. Maybe you're less motivated to do things you previously enjoyed in the warmer months.

3.105. Cerebellum may set the stage for development of mental empathy in early childhood

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We can't see what other people are thinking, so we have to infer it and that's very crucial for our communication as humans. That's how we create shared meaning and that's how we choose our words to be understood, a kind of mental empathy.

3.106. The soundtrack of your life could be key to memory

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Listening to familiar music can trigger vivid memories, and new research suggests that it isn't just sentimental lyrics or clever rhymes that take us back in time.

3.107. Q&A: Psychologist explains how bias hinders good parenting

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Teenagers are often seen as moody, rebellious and overly focused on what their peers think. Wake Forest Psychology Professor Christy Buchanan says these stereotypes can hinder good parenting and negatively affect parent–teen relationships.

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