TGViewer
Channel Public Channel
生物医学科技前线

生物医学科技前线

@sci_feed

看看这世界生物医学科学又进步了多少?
友频 @CNSmydream
Subscribers
652
Photos
0
Videos
0
Links
5K

Showing posts older than #3991 · Back to latest

Older Posts 20 shown
Post #3990 33
新地图揭示致命蜈蚣最可能出没的地区
科学家们通过结合非洲田野调查与先进计算机模拟,发现土壤类型是许多致命蜈蚣栖息地的最强决定因素,而温度模式也发挥了重要作用。
来源: ScienceDaily | 阅读全文
发布时间: 2026-02-19 12:36 GMT+8(北京时间)
#蜈蚣 #地图 #预测 #土壤 #温度
ScienceDaily New map reveals where lethal scorpions are most likely to strike Scientists have developed a powerful new way to forecast where some of the world’s most dangerous scorpions are likely to be found. By combining fieldwork in Africa with advanced computer modeling, the team discovered that soil type is the strongest factor…
Post #3989 40
我们是如何通过抢劫尸体而成为了人类的?
研究表明,人类的祖先在成为猎人之前,已经通过利用自然遗弃的食物而茁壮成长。研究人员发现,人类的祖先并不是通过抢劫尸体而求生,而是通过抢劫尸体是一种聪明而可靠的生存策略,这种策略对人类的进化起到了重要作用。抢劫尸体提供了高热量…
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-20 10:27 GMT+8(北京时间)
#人类进化 #抢劫尸体 #生存策略
ScienceDaily The overlooked survival strategy that made us human Long before humans became master hunters, our ancestors were already thriving by making the most of what nature left behind. New research suggests that scavenging animal carcasses wasn’t a desperate last resort, but a smart, reliable survival strategy that…
Post #3988 33
科学家找到了帕金森病的关键蛋白质相互作用
研究人员发现了一种关键的分子相互作用,它通过损害大脑的能量系统来加速帕金森病的进展。他们设计了一种新疗法,能够拦截这种有害过程,保护脑细胞并恢复其功能。在实验室和动物模型中,这种方法改善了运动和认知功能,同时减少了炎症。研究结…
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-20 23:08 GMT+8(北京时间)
#帕金森病 #蛋白质相互作用 #新疗法
ScienceDaily Scientists identify hidden protein interaction driving Parkinson’s disease Researchers have identified a key molecular interaction that accelerates Parkinson’s disease by damaging the brain’s energy systems. They designed a new treatment that intercepts this harmful process, protecting brain cells and restoring their function. In…
Post #3987 33
使用生活方式医学治疗患者可能有助于减轻医务人员的职业倦怠
一项新研究发表在《BMC Health Services Research》杂志上,研究结果显示,使用生活方式医学治疗患者有助于减轻医务人员的职业倦怠,提高职业满意度、意义感和工作效率。研究人员采访了来自五个美国医疗系统的41名医务人员和管理人员,了…
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 09:20 GMT+8(北京时间)
#生活方式医学 #职业倦怠 #医务人员 #健康服务研究
Medicalxpress Treating patients with lifestyle medicine may help reduce clinician burnout Health care professionals report that treating patients with lifestyle medicine helps to reduce burnout by increasing professional satisfaction, meaning, and a sense of effectiveness at work, according ...
Post #3986 45
你睡眠不足时大脑会发生什么惊人的事情
当你睡眠不足时,注意力突然飘移时,大脑可能会暂时进入清洁模式。科学家发现,注意力衰退与大脑内流动的液体波动有关,这通常在睡眠期间发生。这种情况是大脑为弥补缺失的休息而采取的补偿措施。然而,这种内部清洁会以暂时性的脑停顿为代价。
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-20 20:29 GMT+8(北京时间)
#睡眠 #注意力 #大脑 #清洁模式
ScienceDaily Your brain does something surprising when you don’t sleep When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists discovered that these attention lapses coincide with waves of fluid washing through the brain, a process that usually happens during…
Post #3985 31
慢性肾脏病患者心脏病发病原因解密:肾脏损伤释放有害物质致心脏受损
研究人员揭示了慢性肾脏病患者为什么经常死于心脏问题:损伤的肾脏释放到血液中的微小颗粒,活跃地毒害心脏。这些颗粒仅由病变的肾脏产生,携带的遗传物质干扰心脏功能,导致心力衰竭。
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-20 23:40 GMT+8(北京时间)
#慢性肾脏病 #心脏病 #肾脏损伤 #心脏毒害 #心力衰竭
ScienceDaily Finally explained: Why kidney disease is so deadly for the heart Scientists have uncovered why people with chronic kidney disease so often die from heart problems: damaged kidneys release tiny particles into the bloodstream that actively poison the heart. These particles, produced only by diseased kidneys, carry genetic…
Post #3984 26
路易斯维尔发现饮用水中存在PFAS:川普政府不要求采取任何行动
路易斯维尔位于俄亥俄河畔,每天有数十亿加仑的水流过该市的抽水站,水务局从中抽取水源,转化为自来水供民众饮用。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 09:00 GMT+8(北京时间)
#路易斯维尔 #PFAS #饮用水 #川普政府
Medicalxpress Louisville found PFAS in drinking water: Trump administration wouldn't require any action Every day, the Ohio River sends billions of gallons of water flowing past Louisville's pumping station, where the Kentucky city's utility sucks it up to turn it into tap water.
Post #3983 24
可扩展的人类神经元网络揭示了脑波的规律以及药物如何重塑它们
研究人员使用EEG(电极脑波)测试来测量脑电活动,观察到大型神经元群体协同工作产生的脑波规律,临床医生利用此方法来寻找与睡眠、癫痫和脑功能变化相关的模式。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 05:20 GMT+8(北京时间)
#EEG #脑波 #神经元网络
Medicalxpress Scalable human neuron networks reveal brain-like rhythms and how drugs reshape them An EEG (electroencephalogram) is a painless test that uses small sensors placed on the scalp to measure the brain's electrical activity. It provides a real-time readout of brain "waves"—rhythms generated ...
Post #3982 28
美国卫生机构被要求从官网中移除“生物防御”和“流行病预防”相关术语
随着全球新型传染病的出现,美国一个关键卫生机构悄然放弃了与流行病规划相关的术语,这些变化引起了一些专家担忧,可能会在下一次危机来临时使美国人更脆弱。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 06:20 GMT+8(北京时间)
#生物防御 #流行病预防 #美国卫生机构
Medical Xpress NIH institute told to drop 'biodefense' and 'pandemic preparedness' language from website As new infectious threats emerge worldwide, a key U.S. health agency is quietly stepping away from language tied to pandemic planning, a change some experts warn could leave Americans less protected when ...
Post #3981 23
英国面临家庭医生严重短缺
英国有四分之三的综合护理委员会(ICBs)需要至少将家庭医生的数量翻倍,以满足患者的安全标准。英国医学协会认为,到2040年,英国应该每1000名患者配备1名全职家庭医生,以确保可控的工作量和患者安全。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 07:30 GMT+8(北京时间)
#英国 #家庭医生 #医疗短缺
Medicalxpress England has a chronic shortage of family doctors, according to a recent analysis Four-fifths of England's integrated care boards (ICBs)—responsible for planning health services for their local population—would need to at least double their number of general practitioners to meet ...
Post #3980 31
弹出式3D电极阵列捕捉实时全脑组织节律
北威州立大学和谢丽尔·莱恩能力实验室的团队开发了一种新技术,可以窥探微观的人类脑样组织内部的电信号对话。这些称为人类神经器官体(human neural organoids)的微米尺寸结构是脑发育和疾病的强大模型。然而,科学家们之前只能记录和…
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 06:30 GMT+8(北京时间)
#弹出式3D电极阵列 #神经器官体 #脑电信号 #脑功能
Medicalxpress Pop-up-style 3D electrode array captures organoid-wide brain rhythms in real time A team led by Northwestern University and Shirley Ryan AbilityLab scientists have developed a new technology that can eavesdrop on the hidden electrical dialogues unfolding inside miniature, lab-grown ...
Post #3979 58
12周舞蹈锻炼增加催产素,改变老年人脑静息活动
舞蹈不仅对身体和心理有益,还可能延缓认知功能下降。研究表明,12周舞蹈锻炼可以增加催产素水平,并改变老年人的脑静息活动模式,可能是预防认知功能下降的关键。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 06:40 GMT+8(北京时间)
#催产素 #舞蹈 #认知功能
Medicalxpress Twelve weeks of dance raises oxytocin, shifts resting brain activity in aging Whether you practice ballet or prefer the tango, the benefits of dancing are self-evident. It's good exercise both physically and mentally due to the complexity of the movements, and it's also a fun social ...
Post #3978 49
开发出RNA激活的植入物促进脊髓损伤后的神经再生
研究人员开发了一种植入物,能够将促进生长的微小颗粒直接送达受损神经细胞,帮助它们在脊髓损伤后再生。该研究发表在Bioactive Materials杂志上,研究人员设计了一个3D植入物,模仿了脊髓的结构和刚性,并将RNA载体工程用于携带到神经元…
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 07:00 GMT+8(北京时间)
#RNA #脊髓损伤 #神经再生 #植入物
Medicalxpress Researchers develop RNA-activated implant to stimulate nerve regrowth after spinal cord injury Researchers from RCSI University of Medicine and Health Sciences have developed a novel implant that delivers tiny growth-promoting particles directly to injured nerve cells, helping them to regrow after ...
Post #3977 40
EMS工作经验丰富的医护人员救治重伤患者的生存率更高
研究发现,EMS急救人员处理过多次重伤患者的经验比工作年限更能提高患者的生存率,研究由UPMC和University of Pittsburgh的外科医生科学家团队进行。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 05:36 GMT+8(北京时间)
#EMS #急救 #重伤患者 #生存率
Medicalxpress Frequent experience with patients, rather than years on the job, saves lives in EMS care Severely injured patients are more likely to survive if they are initially treated by an emergency medical services (EMS) clinician who sees a high number of trauma patients, rather than a clinician in ...
Post #3976 45
Peanut butter sold in 40 states recalled over possible plastic contamination
If you have peanut butter at home, federal health officials say it's worth taking a closer look. The U.S. Food and Drug Administration (FDA) has announced a reca…
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 05:40 GMT+8(北京时间)
Medicalxpress Peanut butter sold in 40 states recalled over possible plastic contamination If you have peanut butter at home, federal health officials say it's worth taking a closer look. The U.S. Food and Drug Administration (FDA) has announced a recall of more than 20,000 peanut butter products ...
Post #3975 43
两种未被探索的牛痘病毒基因组区域可能允许在一个病毒中包含更多的治疗基因
通过基因工程修改病毒已被用作治疗和预防不同疾病的策略。这种方法利用病毒的某些特性,作为疫苗制备或识别和攻击特定细胞(如肿瘤细胞)的工具。为了实现这一点,需要在病毒基因组中腾出空间来载入必要的遗传工具,而不损害病毒的存活能力或…
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 05:56 GMT+8(北京时间)
#牛痘病毒 #基因工程 #遗传修改 #病毒疫苗
Medicalxpress Two unexplored Vaccinia genome regions could allow more therapeutic genes in one virus Genetic modification of viruses has long been used as a strategy to treat and prevent different types of diseases. Specifically, it consists of exploiting certain characteristics of viruses that make ...
Post #3974 47
2500万年前的化石揭示哺乳动物听觉的起源
研究人员通过模拟2500万年前的哺乳动物前身Thrinaxodon颅骨中声音传播的方式,发现它很可能使用了早期鼓膜来听到空气中的声音。这挑战了长期以来人们认为这些动物主要通过下颚骨或骨骼来“聆听”的观点。研究结果表明,现代哺乳动物听觉的…
来源: ScienceDaily | 阅读全文
发布时间: 2026-01-20 10:17 GMT+8(北京时间)
#哺乳动物 #听觉 #化石 #古生物学
ScienceDaily A 250-million-year-old fossil reveals the origins of mammal hearing Sensitive hearing may have evolved in mammal ancestors far earlier than scientists once believed. By modeling how sound moved through the skull of Thrinaxodon, a 250-million-year-old mammal predecessor, researchers found it likely used an early eardrum to…
Post #3973 48
多巴胺产生神经元在发育脑中的起源
卡罗林斯卡学院的研究人员在Nature Neuroscience杂志发表了一项研究,找到了产生多巴胺神经元的神经源性前体细胞,这些细胞是帕金森病中受累的主要神经元。这些发现有助于改善通过移植多巴胺神经元治疗帕金森病的方法。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 04:18 GMT+8(北京时间)
#多巴胺 #神经元 #帕金森病 #神经源性前体细胞
Medicalxpress How dopamine-producing neurons arise in the developing brain In a new study from Karolinska Institutet, published in Nature Neuroscience, researchers have identified the neurogenic progenitor that gives rise to dopaminergic neurons, the primary neurons affected ...
Post #3972 43
胎儿暴露于铅与成年人认知功能下降相关
研究表明,女性参与者在60年后在认知和记忆能力测试中表现不佳,与胎儿暴露于铅有关。该研究并不表明铅暴露是认知和记忆能力测试成绩下降的原因,只是表明了相关性。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 05:00 GMT+8(北京时间)
#胎儿暴露 #铅 #认知功能 #记忆能力
Medicalxpress Prenatal lead exposure related to worse cognitive function in adults Exposure to lead before birth is associated with lower performance 60 years later on tests of thinking and memory skills in female participants, according to a study published in Neurology. The study ...
Post #3971 47
构成肌肉的基因制动器:耐力运动中与耐力有关的变异也可能增加受伤的机率
瑞典隆德大学的研究人员在国际研究中发现了一个控制身体在肌肉中形成新血管的基因变异,这种机制影响着身体的运动能力、健康和恢复。这种有利的基因变异在耐力运动的顶级运动员中比在爆发运动的顶级运动员和非运动员中更为普遍。
来源: Medical Xpress | 阅读全文
发布时间: 2026-02-19 03:19 GMT+8(北京时间)
#基因 #肌肉 #耐力运动
Medicalxpress A genetic brake that forms our muscles: Variant linked to endurance may also raise odds of injury In an international study, researchers at Lund University in Sweden have identified a gene variant that controls the body's capability to form new blood vessels in muscles—a mechanism that affects physical ...
Older posts →
Threads Profile ViewerView any public Threads profile without an account.Open ThreadLook →Writing with AI? Make it sound human.Metric37 rewrites AI drafts so they read naturally. Free AI detector, 1,500 words free.Try Metric37 →