Âé¶čÒùÔș - latest science and technology news stories / en-us Âé¶čÒùÔș internet news portal provides the latest news on science including: Âé¶čÒùÔșics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. 3D-printing method enables fabrication of collagen tissue oriented in multiple directions Collagen, a prevalent and predominant part of the structure of bodies, still has some mystique surrounding the finer aspects of its existence. In a new study, researchers look into the mechanism of orientation within collagen to elucidate some of the lesser-known aspects of this protein and how it can be used in future applications. /news/2025-05-3d-method-enables-fabrication-collagen.html Cell & Microbiology Biotechnology Wed, 14 May 2025 15:13:15 EDT news666454391 3D printed hydrogels guide cell growth to form functional tissue structures Researchers at the Terasaki Institute for Biomedical Innovation (TIBI) have developed a technique that could help advance treatments in tissue engineering. The study, published in the journal Small, introduces a technique for producing tissues with precise cellular organization designed to mimic the natural structure of human tissue. /news/2025-05-3d-hydrogels-cell-growth-functional.html Cell & Microbiology Biotechnology Tue, 13 May 2025 12:27:02 EDT news666358021 In vivo 3D printing using sound holds promise for precise drug delivery, wound healing and more Imagine that doctors could precisely print miniature capsules capable of delivering cells needed for tissue repair exactly where they are needed inside a beating heart. /news/2025-05-vivo-3d-precise-drug-delivery.html Bio & Medicine Thu, 08 May 2025 14:29:04 EDT news665933341 Ultrasound unlocks a safer, greener way to make hydrogels Researchers at McGill University, in collaboration with Polytechnique MontrĂ©al, pioneered a new way to create hydrogels using ultrasound, eliminating the need for toxic chemical initiators. This breakthrough offers a faster, cleaner and more sustainable approach to hydrogel fabrication, and produces hydrogels that are stronger, more flexible and highly resistant to freezing and dehydration. /news/2025-05-ultrasound-safer-greener-hydrogels.html Polymers Materials Science Thu, 08 May 2025 13:20:07 EDT news665928650 Microscopy method can reconstruct mammalian brain tissue in synaptic detail Our brain is a complex organ. Billions of nerve cells are wired in an intricate network, constantly processing signals, enabling us to recall memories or to move our bodies. /news/2025-05-microscopy-method-reconstruct-mammalian-brain.html Cell & Microbiology Biotechnology Wed, 07 May 2025 11:38:29 EDT news665836703 Semiconducting polymer design strategies point way to reducing scar tissue around implants Over time, scar tissue slows or stops implanted bioelectronics. But new interdisciplinary research could help pacemakers, sensors and other implantable devices keep people healthier for longer. /news/2025-05-semiconducting-polymer-strategies-scar-tissue.html Polymers Materials Science Tue, 06 May 2025 15:42:06 EDT news665764923 Portable bio-battery uses living hydrogels for targeted nerve signal modulation Bio-batteries constructed by electroactive microorganisms have unique advantages in physiological monitoring, tissue integration, and powering implantable devices due to their superior adaptability and biocompatibility. However, the development of miniaturized and portable bio-batteries that are plug and play and compatible with existing devices remains a challenge. /news/2025-04-portable-bio-battery-hydrogels-nerve.html Biotechnology Wed, 30 Apr 2025 17:18:03 EDT news665252282 A simpler way to make microgels for programmable drug release A new straightforward way to make an injectable gel capable of releasing multiple drugs at specific speeds improves scalability and access to the technique, according to a University of Michigan study. /news/2025-04-simpler-microgels-programmable-drug.html Biochemistry Polymers Mon, 28 Apr 2025 11:53:04 EDT news665059981 Researcher investigates hydrogel-infused additive manufacturing of ceramics Doctoral student Natalie Yaw came to Lawrence Livermore National Laboratory (LLNL) as a summer intern. But when her time at the Laboratory ended, her work did not. She took the lead to write a paper based on her findings, and the result was published in Inorganic Chemistry Frontiers. /news/2025-04-hydrogel-infused-additive-ceramics.html Materials Science Thu, 24 Apr 2025 12:48:03 EDT news664717681 Electrospun microfibers enhance nutrient supply in bioinks and 3D-bioprinted tissue 3D bioprinting holds great potential in the field of regenerative medicine to produce miniaturized tissues and organ precursors with biological functionality. Today, however, scientists are still working on the challenge of producing a printable and compatible starting material. /news/2025-04-electrospun-microfibers-nutrient-bioinks-3d.html Biotechnology Thu, 24 Apr 2025 09:09:03 EDT news664704542 Researchers develop a UV-programmable hydrogel actuator for bioinspired simulation A joint team from National Taiwan University and Karlsruhe Institute of Technology has developed a novel hydrogel actuator whose movement can be programmed using UV light, enabling precise spatial control of thermoresponsive deformation for presenting a potential application in soft robotics and in vitro muscle models. /news/2025-04-uv-programmable-hydrogel-actuator-bioinspired.html Polymers Materials Science Thu, 24 Apr 2025 07:28:03 EDT news664698481 A brief history of expansion microscopy Nearly 150 years ago, scientists began to imagine how information might flow through the brain based on the shapes of neurons they had seen under the microscopes of the time. With today's imaging technologies, scientists can zoom in much further, seeing the tiny synapses through which neurons communicate with one another, and even the molecules the cells use to relay their messages. These inside views can spark new ideas about how healthy brains work and reveal important changes that contribute to disease. /news/2025-04-history-expansion-microscopy.html Cell & Microbiology Molecular & Computational biology Wed, 23 Apr 2025 17:22:06 EDT news664647722 New technique expands tissues so hundreds of biomolecules can be seen inside cells For biologists, seeing is believing. But sometimes biologists have a hard time seeing. One particularly vexing challenge is seeing all the molecules in an intact tissue sample, down to the level of single cells, simultaneously. Detecting the location of hundreds or thousands of biomolecules—from lipids to metabolites to proteins—in their native environment allows researchers to better understand their functions and interactions. Unfortunately, scientists don't have great tools to accomplish this task. /news/2025-04-technique-tissues-hundreds-biomolecules-cells.html Biotechnology Molecular & Computational biology Tue, 22 Apr 2025 14:37:04 EDT news664551422 'Magic carpet' guides cells to self-organize in 3D During morphogenesis—the process by which living organisms take shape—cells collectively position themselves in specific ways, leading to the development of tissues and organs. Being able to recreate aspects of these processes in vitro would be a huge step forward in the field of tissue engineering. /news/2025-04-magic-carpet-cells-3d.html Cell & Microbiology Biotechnology Fri, 18 Apr 2025 09:12:04 EDT news664186322 Transparent paper-based material can hold boiling water and degrade in deep ocean in under a year A team of biomaterial engineers, environmental resource specialists and industrial design researchers affiliated with a host of institutions across Japan has developed a biodegradable material that is clear and can hold boiling water—and it degrades in less than a year after settling on the ocean floor. Their work is published in the journal Science Advances. /news/2025-04-transparent-paper-based-material-degrade.html Materials Science Thu, 10 Apr 2025 16:03:21 EDT news663519788 'Patchy' thermogels show next-gen biomedical material potential, scientists say Special biomedical materials that can be injected as a liquid and turn into a solid inside our bodies—called thermogels—could provide a less-invasive way to deliver drugs or treat wounds. Scientists at Penn State have developed a new design for these materials that further improves their properties and may hold particular promise for use in tissue regeneration, the researchers said. /news/2025-04-patchy-thermogels-gen-biomedical-material.html Bio & Medicine Nanomaterials Wed, 09 Apr 2025 14:24:03 EDT news663427441 Artificial sweetener shows surprising power to overcome antibiotic resistance Saccharin, the artificial sweetener used in diet foods like yogurts and sugar-free drinks, can kill multidrug-resistant bacteria—including one of the world's most dangerous pathogens. /news/2025-04-artificial-sweetener-power-antibiotic-resistance.html Cell & Microbiology Molecular & Computational biology Fri, 04 Apr 2025 09:17:48 EDT news662977065 3D-printed skin imitation equipped with living cells could replace animal testing Directive 2010/63/EU laid down restrictions on animal testing for the testing of cosmetics and their ingredients throughout the EU. Therefore, there is an intense search for alternatives to test the absorption and toxicity of nanoparticles from cosmetics such as sun creams. /news/2025-04-3d-skin-imitation-equipped-cells.html Cell & Microbiology Biotechnology Thu, 03 Apr 2025 09:20:03 EDT news662890801 Liquid-bodied robot enables precise eradication of implant-related biofilm infections An international research team led by the Chinese University of Hong Kong (CUHK) has achieved a breakthrough in the field of medical microrobots by developing the world's first antibiofilm liquid-bodied magnetic-controlled robot. /news/2025-04-liquid-bodied-robot-enables-precise.html Bio & Medicine Tue, 01 Apr 2025 14:54:38 EDT news662738067 Nanocomposite hydrogel adapts to multiple stimuli for targeted drug release Researchers from the Institute of Polymer Science and Engineering, National Taiwan University, have developed a smart gel that responds to multiple stimuli for precise drug release. /news/2025-03-nanocomposite-hydrogel-multiple-stimuli-drug.html Bio & Medicine Thu, 27 Mar 2025 10:55:19 EDT news662291716 Significance and perspectives on natural, polymer‐based hydrogels Bhagya Nallaperuma, a specialist in the Department of Environmental Health and Safety, has co-authored a review on natural polymer-based hydrogels published in Food Biomacromolecules titled "Natural polymer-based hydrogels: Types, functionality, food applications, environmental significance and future perspectives: An updated review." /news/2025-03-significance-perspectives-natural-polymerbased-hydrogels.html Biochemistry Polymers Fri, 21 Mar 2025 11:20:02 EDT news661771952 Plant patch can detect stress signals in real time Environmental conditions can cause damaging stress to plants, posing challenges for home gardeners and farmers. Therefore, early detection—before leaves visibly discolor, wilt or wither—is crucial. /news/2025-03-patch-stress-real.html Biotechnology Agriculture Wed, 19 Mar 2025 08:00:01 EDT news661506001 Study reveals possible effects of air quality changes associated with global warming on human airways From sweltering hot summer days to frigid winter nights, many people can experience exacerbations in respiratory symptoms of asthma, allergic rhinitis, or viral infection. The incidence of extreme temperature conditions has been increasing for decades, exposing human upper airways to high vapor pressure deficit (VPD), also known as "air dryness." Researchers are now reporting how breathing in these dehydrating atmospheres could promote airway inflammation, leading to disease-causing effects on the lungs. /news/2025-03-reveals-effects-air-quality-global.html Environment Mon, 17 Mar 2025 21:10:04 EDT news661449679 A new law gives the energy needed to fracture stretchable networks Interconnected materials containing networks are ubiquitous in the world around us—rubber, car tires, human and engineered tissues, woven sheets and chain mail armor. Engineers often want these networks to be as strong as possible and to resist mechanical fracture and failure. /news/2025-03-law-energy-fracture-stretchable-networks.html General Âé¶čÒùÔșics Mon, 17 Mar 2025 10:34:57 EDT news661426491 New technique expands plant cells for better microscopic imaging The way we study plant cells is expanding—literally—thanks to new research from Kevin Cox, an assistant professor of biology in Arts & Sciences at Washington University in St. Louis and an assistant member of the Donald Danforth Plant Science Center. In a new study published in The Plant Journal, Cox and his team describe how they have developed ExPOSE (Expansion Microscopy in Plant Protoplast Systems), a technique that brings expansion microscopy to plants. /news/2025-03-technique-cells-microscopic-imaging.html Molecular & Computational biology Sat, 08 Mar 2025 05:33:15 EST news660634389 Entangled polymers and nanosheets create skin-like, self-healing hydrogel We all encounter gels in daily life—from the soft, sticky substances you put in your hair to the jelly-like components in various foodstuffs. While human skin shares gel-like characteristics, it has unique qualities that are very hard to replicate. It combines high stiffness with flexibility, and it has remarkable self-healing capabilities, often healing completely within 24 hours of an injury. /news/2025-03-entangled-polymers-nanosheets-skin-hydrogel.html Polymers Materials Science Fri, 07 Mar 2025 05:00:01 EST news660495721 Butterfly-inspired 4D printing of smart hydrogels enables precise micro-nano deformation A Chinese research team has developed a single-step femtosecond laser 4D printing technology that enables rapid and precise micro-scale deformation of smart hydrogels. This innovation, inspired by the hierarchical structure of butterfly wings, holds significant promise for applications in flexible electronics and minimally invasive medicine. /news/2025-03-butterfly-4d-smart-hydrogels-enables.html Polymers Materials Science Wed, 05 Mar 2025 08:28:02 EST news660385681 Researchers develop highly robust, reconfigurable, and mechanochromic cellulose photonic hydrogels Inspired by the natural Bouligand structure, researchers have been developing advanced materials for applications in impact-resistant bioplastics, ceramic armor, and biomimetic alloy composites. Most existing materials are still composed of single-scale brittle units despite the progress in improving the plasticity of materials. The lack of hierarchical active interfaces and autonomous response capabilities limits their ductility and overall functionality. /news/2025-03-highly-robust-reconfigurable-mechanochromic-cellulose.html Biochemistry Polymers Tue, 04 Mar 2025 12:03:02 EST news660312181 Seeing more in expansion microscopy: New methods light up lipid membranes and allow for high-resolution protein mapping In biology, seeing can lead to understanding, and researchers in Professor Edward Boyden's lab at the McGovern Institute for Brain Research are committed to bringing life into sharper focus. With a pair of new methods, they are expanding the capabilities of expansion microscopy—a high-resolution imaging technique the group introduced in 2015—so researchers everywhere can see more when they look at cells and tissues under a light microscope. /news/2025-03-expansion-microscopy-methods-lipid-membranes.html Cell & Microbiology Molecular & Computational biology Mon, 03 Mar 2025 17:20:05 EST news660244801 Xolography-based method enables 3D printing of living tissues with light Xolography is a novel light printing technique that has been explored for dental products and in-space manufacturing. At Eindhoven University of Technology (TU/e), this technique has now been adapted to 3D print living cells. This research can pave the way for 3D-printed kidneys and muscle tissue. The team pioneered the Xolography-based method to produce tiny structures with features as small as 20 ”m—approximately the size of a human cell. /news/2025-02-xolography-based-method-enables-3d.html Cell & Microbiology Biotechnology Thu, 27 Feb 2025 15:55:28 EST news659894124