Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Factors Influencing Microbial Growth: Osmolarity01:28

Factors Influencing Microbial Growth: Osmolarity

113
Osmolarity is the measure of solute concentration in a solution. It plays a critical role in determining water availability for organisms. Water moves across semipermeable membranes through osmosis, flowing from regions of lower solute concentration (more dilute) to regions of higher solute concentration (more concentrated).In high-solute environments, microbial cells lose water, leading to dehydration and inhibited growth. The extent to which water is available to microbes in such environments...
113
Factors Influencing Microbial Growth: Temperature01:27

Factors Influencing Microbial Growth: Temperature

176
Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
176
Entropy and Solvation02:05

Entropy and Solvation

7.2K
The process of surrounding a solute with solvent is called solvation. It involves evenly distributing the solute within the solvent. The rule of thumb for determining a solvent for a given compound is that like dissolves like. A good solvent has molecular characteristics similar to those of the compound to be dissolved. For example, polar solutions dissolve polar solutes, and apolar solvents dissolve apolar solutes. A polar solvent is a solvent that has a high dielectric constant (ϵ...
7.2K
Factors Affecting Dissolution: Particle Size and Effective Surface Area01:23

Factors Affecting Dissolution: Particle Size and Effective Surface Area

1.0K
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...
1.0K
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

222
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
222

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Determinants of mortality from bovine respiratory disease in Australian feedlot cattle: A survival analysis.

Preventive veterinary medicine·2026
Same author

First genomic insights into multidrug-resistant Staphylococcus pseudintermedius from dogs in Vietnam.

Comparative immunology, microbiology and infectious diseases·2026
Same author

A New Conditional Transcription Factor for Use in Toxoplasma Gondii.

Biotechnology journal·2026
Same author

Gamma-irradiated Newcastle disease virus: an alternative inactivated oncolytic virotherapy.

Immunology and cell biology·2026
Same author

Bovine Respiratory Mycoplasmas and the Commensal-Pathogen Continuum: A Systematic Review of Vaccines and Diagnostic Approaches.

Animals : an open access journal from MDPI·2026
Same author

Revisiting Hydrogen Sorption-Desorption in Natural Rocks.

Industrial & engineering chemistry research·2026

関連する実験動画

Updated: Sep 9, 2025

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
14:11

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis

Published on: March 29, 2016

26.9K

地下水素の行動における微生物の要因:湿透性と界面ダイナミクスの影響

Hamid Esfandyari1, Raziallah Jafari Jozani2, Aliakbar Hassanpouryouzband3

  • 1School of Chemical Engineering, Discipline of Mining and Petroleum Engineering, The University of Adelaide, Adelaide, SA 5005, Australia.

Advances in colloid and interface science
|September 1, 2025
PubMed
まとめ

微生物の活動により 地下鉱物の浸透性が変化し 水素の振る舞いに影響します この研究は 微生物が鉱物水利性を高め 地下の水素貯蔵と天然の水素システムを理解するために 極めて重要です

キーワード:
微生物と鉱物の相互作用ミネラロジー天然水素地下水素の行動UHS について湿度

さらに関連する動画

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography
12:18

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography

Published on: October 21, 2018

14.2K
Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining
13:11

Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining

Published on: October 5, 2019

6.8K

関連する実験動画

Last Updated: Sep 9, 2025

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis
14:11

Quantification of Hydrogen Concentrations in Surface and Interface Layers and Bulk Materials through Depth Profiling with Nuclear Reaction Analysis

Published on: March 29, 2016

26.9K
Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography
12:18

Pore-scale Imaging and Characterization of Hydrocarbon Reservoir Rock Wettability at Subsurface Conditions Using X-ray Microtomography

Published on: October 21, 2018

14.2K
Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining
13:11

Using Flexible Gold-Titanium Reaction Cells to Simulate Pressure-Dependent Microbial Activity in the Context of Subsurface Biomining

Published on: October 5, 2019

6.8K

科学分野:

  • 地化学
  • 微生物学
  • 石油工学

背景:

  • 微生物の活動が 地下水素の行動に大きく影響します
  • 水素貯蔵と天然の水素回収には 鉱物浸透性の理解が不可欠です

研究 の 目的:

  • 地下鉱物 (カルシット,ドロミット,クォーツ,ジプス) の浸透性に対する微生物過程の影響を調査する.
  • 地下条件下で水素塩水岩系における固体-液体の界面特性の変化を分析する.

主な方法:

  • 高圧,高温条件下で実施された実験.
  • 鉱物表面分析のためのエネルギー分散型X線スペクトロスコーピーのスキャニング電子顕微鏡 (SEM/EDS).
  • 清潔で有機酸老化と微生物老化による鉱物サンプルを比較する.

主要な成果:

  • 微生物の老化により,鉱物の水性性が一貫して増加し,接触角度が減少した (例えば,カルシット: 57°から40°).
  • 微生物のバイオフィルムはカルシットとドロミットで最も顕著で,塩塩のpH値低下と相関していました.
  • クォーツとジプスは水分性の変化が少ない.

結論:

  • 微生物によるプロセスは,地表環境における鉱物の表面特性や浸透性を大幅に再構築します.
  • これらの発見は,水素貯蔵と天然の水素回収を最適化するための微生物と鉱物の相互作用に関する重要な洞察を提供します.