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2025年12月10日 星期三

plasma membrane redox system

plasma membrane redox system

plasma membrane redox system (PMRS)

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Diabetes mellitus (TDM) is strongly associated with oxidative stress. Human erythrocytes contain a plasma membrane redox system (PMRS) which transfers electrons from intracellular donors (NADH, ascorbate) to extracellular acceptors outside the cell. 

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Diabetes mellitus (TDM) is strongly associated with oxidative stress. Human erythrocytes contain a plasma membrane redox system (PMRS) which transfers electrons from intracellular donors (NADH, ascorbate) to extracellular acceptors outside the cell. 

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資訊來源:
UrlOfInfoSource

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Placeholder 湯偉晉編寫的英文字典


Placeholder 湯偉晉編寫的英文字典

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2025年4月1日 星期二

Ferredoxin (鐵氧化還原蛋白)

Ferredoxin (鐵氧化還原蛋白)

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Ferredoxin (鐵氧化還原蛋白)

Ferredoxins are iron-sulfur containing proteins performing electron transfer in a wide variety of biological systems and processes. They include roles in photosynthesis in chloroplasts. Ferredoxins are classified structurally by the iron-sulfur clustered centers they contain. Fe2S2 clusters (Figure 5.50) are found in chloroplast membranes and can donate electrons to glutamate synthase, nitrate reductase, and sulfite reductase and serve as electron carriers between reductase flavoproteins and bacterial dioxygenase systems. Adrenodoxin is a soluble human Fe2S2 ferredoxin (also called ferredoxin 1) serving as an electron carrier (to cytochrome P450) in mitochondrial monooxygenase systems. Fe4S4 ferredoxins are subdivided as low and high potential ferredoxins, with the latter ones functioning in anaerobic electron transport chains.


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資訊來源:
UrlOfInfoSource

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Placeholder 湯偉晉編寫的英文字典


Placeholder 湯偉晉編寫的英文字典

2024年10月13日 星期日

Electrons are emitted by a hot filament close to a controlled metal grid. (電子由靠近 受控金屬柵 的 熱燈絲 發射出來。)

Electrons are emitted by a hot filament close to a controlled metal grid. (電子由靠近 受控金屬柵 的 熱燈絲 發射出來。)

Electrons are emitted by a hot filament close to a controlled metal grid. (電子由靠近 受控金屬柵 的 熱燈絲 發射出來。) 湯偉晉編寫的英文字典


Electrons are emitted by a hot filament close to a controlled metal grid. (電子由靠近 受控金屬柵 的 熱燈絲 發射出來。) 湯偉晉編寫的英文字典

2023年8月3日 星期四

cpDNA, Chloroplast DNA (cpDNA,葉綠體 DNA)

cpDNA, Chloroplast DNA (cpDNA,葉綠體 DNA)


Chloroplast DNA (葉綠體 DNA)


Chloroplast DNA (cpDNA) (葉綠體 DNA,cpDNA)

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Chloroplast DNA (cpDNA) (葉綠體 DNA,cpDNA)

為 真核細胞 中 葉綠體 內部的 DNA。


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2023年5月5日 星期五

misconception (錯誤的觀念,誤解)

misconception (錯誤的觀念,誤解)

the big misconception about electricity (對於電力的大誤解)



the big misconception about electricity (對於電力的大誤解)


the big misconception about electricity (對於電力的大誤解)

the big misconception about electricity (對於電力的大誤解)

misconception (錯誤的觀念,誤解)

the big misconception about electricity (對於電力的大誤解)



the big misconception about electricity (對於電力的大誤解)

2023年4月2日 星期日

atmospheric infrared window


atmospheric infrared window 和相關的影片,重要的科學知識


atmospheric infrared window 和相關的影片,重要的科學知識




atmospheric infrared window 和相關的影片,重要的科學知識

2021年3月24日 星期三

diatom (矽藻)

diatom
矽藻
diatom (
矽藻)
矽藻 (diatom)

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湯偉晉典藏的科學知識:重點: 

Diatoms are ubiquitous marine photosynthetic eukaryotes that are responsible for about 20% of global photosynthesis.

(矽藻是廣泛存在於海洋中的光合作用真核生物,約佔全球光合作用總量的 20%。)

資訊來源(Info Source):

Early perturbation in mitochondria redox homeostasis in response to environmental stress predicts cell fate in diatoms - PubMed

https://pubmed.ncbi.nlm.nih.gov/25083933/


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diatom (
矽藻)[英文單字][湯偉晉編寫的英文字典][英文的使用範例]
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2020年11月30日 星期一

Ferritin (鐵蛋白)

Ferritin
鐵蛋白
Ferritin (
鐵蛋白)
鐵蛋白 (Ferritin)

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Ferredoxin (鐵氧化還原蛋白)

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Ferritin

Ferritin is an intracellular iron-storage protein found in almost all living organisms, from bacteria to higher plants and animals. It is a globular protein complex with 24 subunits and is the primary intracellular iron-storage protein in eukaryotes and prokaryotes. Ferritin functions to keep iron in a soluble and non-toxic form. Its ability to safely store iron and release it in a controlled fashion allow it to act like the prime iron buffer and solubilizer in cells – keeping the concentration of free iron from going to high or falling too low. Ferritin is located in the cytoplasm in most tissues, but it is also found in the serum acting as an iron carrier. Ferritin that doesn’t contain any iron is known as apoferritin.


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Ferritin (
鐵蛋白)

Ferritin (鐵蛋白)

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Ferritin forms a shell consisting of 24 heavy and light chains that are folded in a four-helix bundle with threefold and fourfold channels and can bind up to 4500 iron atoms in the form of ferrihydrite (5Fe2O3•9H2O).
Source (
資訊來源):
https://www.sciencedirect.com/topics/chemistry/ferritin
Info cited on 2020-12-01-WD2 (
資訊引用於 中華民國109年西元2020121) by 湯偉晉
(WeiJin Tang)
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2016年7月10日 星期日

curcumin (薑黃素)


curcumin
薑黃素
curcumin (薑黃素)
薑黃素 (curcumin)

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中華民國114年西元2025年3月3日星期一

薑黃素 和 穀胱甘肽
Curcumin and Glutathione

Curcumin and Glutathione (薑黃素 和 穀胱甘肽)



Curcumin and Glutathione (薑黃素 和 穀胱甘肽)


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Chemical structures of naturally occurring curcumin. The scheme shows the diketone and keto-enol forms of curcumin. Curcumin exists as an equilibrium mixture of two tautomeric forms in solution. The enol structure of curcumin, which is stabilized by intramolecular H-bonding, is the most energetically stabilized and favored form.
Source (資訊來源):
Info cited on 2016-07-11-WD1 (資訊引用於 中華民國105711) by 湯偉晉 (WeiJin Tang)
Source (資訊來源):
Info cited on 2016-07-11-WD1 (資訊引用於 中華民國105711) by 湯偉晉 (WeiJin Tang)

2014年5月3日 星期六

chloroplast (葉綠體)


chloroplast
【植物學】【名詞】葉綠體
chloroplast (
【植物學】葉綠體)
【植物學】葉綠體(chloroplast)

chloroplast
葉綠體
chloroplast (
葉綠體)
葉綠體(chloroplast)

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chlorophyll
葉綠素
chlorophyll (
葉綠素)
葉綠素 (chlorophyll)

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2012年3月27日 星期二

cofactor (輔因子)

cofactor
輔因子
cofactor (
輔因子)
輔因子 (cofactor)

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cofactor (輔因子)


An organic molecule or ion (usually a metal ion) that is required by an enzyme for its activity. (一種酵素在執行其活性時所需的有機分子或離子,通常為金屬離子。)  


It may be attached either loosely (coenzyme) or tightly (prosthetic group). (它可能以鬆散的方式結合 (coenzyme 輔酶),或是 以緊密的方式結合 (prosthetic group 輔基)。) 


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