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関連する概念動画

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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Regulation of Food Intake01:30

Regulation of Food Intake

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Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
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Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

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Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
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Global Regulatory Systems01:28

Global Regulatory Systems

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Global regulatory systems in bacteria enable rapid and coordinated responses to environmental changes by integrating sensory inputs with gene expression, ensuring efficient adaptation to fluctuating conditions. Key global regulatory mechanisms include regulons, two-component systems, sigma factors, and secondary messengers.Regulons and Global RegulatorsA regulon is a collection of genes and operons controlled by a common global regulator. These regulators enable bacteria to prioritize resource...
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The Roles of Bacteria and Fungi in Plant Nutrition02:11

The Roles of Bacteria and Fungi in Plant Nutrition

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Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
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Drug Control Governance: Regulatory Bodies and Their Impact01:03

Drug Control Governance: Regulatory Bodies and Their Impact

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Drug control governance involves the oversight and regulation of pharmaceuticals to ensure their safety and efficacy while preventing illegal drug use and trafficking. Regulatory bodies, including the US Food and Drug Administration (FDA) and the European Union's European Medicines Agency (EMA), play a central role in this process. These agencies evaluate the safety and efficacy of drugs before they can be marketed. They fund clinical trials and assess the benefits and risks associated with...
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新しい科学政策のインターフェースが 必要なのでしょうか?

Esther Turnhout1,2, Jessica Duncan3, Jeroen Candel4

  • 1Section of Science, Technology, and Policy Studies, University of Twente, Enschede, Netherlands.

Science (New York, N.Y.)
|September 13, 2021
PubMed
まとめ

科学の進歩には,知識の信頼性,正当性,多様性が不可欠です. この研究は,研究におけるこれらの知識属性を支持する重要な要因を調査します.

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科学分野:

  • 知識研究
  • 知識論
  • 科学社会学

背景:

  • 科学的な知識の整合性は 信頼性,正当性,多様性に基づいています
  • 信頼性の高い研究成果と社会的な信頼を保つためには,これらの特性を維持することが不可欠です.
  • 既存の枠組みでは,これらの重要な知識の構成要素の相互関係がしばしば見過ごされています.

研究 の 目的:

  • 科学的知識の信頼性,正当性,多様性を保証する基本的要素を調査する.
  • この3つの知識の柱がどのように相互作用し 研究の整合性に影響を与えるかを分析する.
  • 科学的議論における知識の属性を評価し,強化するための枠組みを提供すること.

主な方法:

  • 科学の認識論と社会学の体系的な文献レビュー.
  • 知識紛争に関するケーススタディの質的分析
  • 知識評価のための概念モデルの開発

主要な成果:

  • 信頼性は厳格な方法論と経験的検証によって確立されます.
  • 合法性は科学界のコンセンサスと社会的な関連性によって与えられる.
  • 知識の源と視点の多様性は 堅実性と革新性を高めます

結論:

  • 信頼性,正当性,多様性は相互依存し,強力な科学的知識には不可欠です.
  • これらの重要な知識の属性を促進し維持するには,多面的なアプローチが必要です.
  • 科学の進歩と信頼性を保つには これらの柱を 強化することが不可欠です