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相关概念视频

Role of Vitamins in Maintaining Bone Health01:25

Role of Vitamins in Maintaining Bone Health

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The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...
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Minerals01:26

Minerals

200
Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
 
Major...
200
Vitamins01:30

Vitamins

514
Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced...
514
Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
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Factors Affecting Dissolution: Particle Size and Effective Surface Area01:23

Factors Affecting Dissolution: Particle Size and Effective Surface Area

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Dissolution kinetics, an essential aspect of oral drug delivery, is significantly influenced by the drug's particle size. According to the Noyes-Whitney dissolution model, the dissolution rate correlates directly with the drug's surface area. The larger the surface area, the higher the drug's solubility in water, leading to a faster drug dissolution rate. Reducing particle size increases the effective surface area, enhancing the dissolution process. Micronization and nanosizing are...
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相关实验视频

Updated: May 16, 2025

An Intramedullary Locking Nail for Standardized Fixation of Femur Osteotomies to Analyze Normal and Defective Bone Healing in Mice
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指甲补充剂:什么时候,如何,为什么?

Ines Zaraa1,2, Bertrand Richert2,3,4

  • 1Dermatology Department, Saint Joseph Hospital, Paris, France.

Skin appendage disorders
|April 3, 2025
PubMed
概括
此摘要是机器生成的。

健康补充剂,如生物和原,可以改善指甲的外观和强度. 皮肤科医生需要了解这些成分,它们的好处和风险,因为消费者越来越困惑,缺乏补充剂监管.

关键词:
易碎的指甲 易碎的指甲指甲的生长指甲的生长爪子 爪子 钉子补充 补充 补充 补充

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科学领域:

  • 皮肤病学 皮肤病学
  • 营养科学 营养科学
  • 化品科学 化品科学

背景情况:

  • 健康补充剂的市场正在迅速扩大,导致消费者对产品的成分和有效性感到困惑.
  • 由于卫生当局缺乏严格的监管,因此制造商没有义务对食补充剂进行销售前安全性和有效性研究.
  • 消费者越来越多地寻求皮肤科医生关于指甲健康补充剂的建议,需要医疗保健专业人员提供明确,基于证据的指导.

研究的目的:

  • 通知皮肤科医生关于日益增长的指甲健康补充剂的景观.
  • 审查有关常见指甲补充剂成分的有效性和潜在风险的现有证据.
  • 为患者提供关于指甲健康补充剂的基于证据的建议提供基础.

主要方法:

  • 关于指甲健康补充剂的科学研究的文献综述.
  • 对常见成分的分析,如生物素,原,溶解,MSM和胆稳定型正酸.
  • 评估报告的临床益处,作用机制和潜在的副作用.

主要成果:

  • 生物素,原蛋白等特定成分已经证明改善了指甲的外观,强度和脆性.
  • 支持许多补充剂的有效性和安全性的证据由于监管差距而有限.
  • 皮肤科医生必须批判性地评估现有证据,以提供准确的患者咨询.

结论:

  • 皮肤科医生需要有关指甲补充剂的最新知识,以有效地解决患者的询问.
  • 关于指甲健康补充剂的建议应该基于强有力的科学证据,承认潜在的风险.
  • 需要进一步的研究和更明确的监管准则来确保指甲健康补充剂的安全性和有效性.