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Biochar as Electron Acceptor for Microbial Extracellular Respiration

Geomicrobiology Journal, 2016
ABSTRACTBiochar is a charred carbonaceous material that has recently been identified to provide many potential environmental and agricultural applications. Biochar amendments are shown to effectively improve the quality of soil and increase soil microbial biomass.
Yueqiang Wang, Yong Yuan, Jia Tang
exaly   +2 more sources

Stimulation of Sperm Respiration Rates by Speract and Resact at Alkaline Extracellular pH [PDF]

open access: yesBiology of Reproduction, 1984
At an extracellular pH of 6.6, a peptide (resact) isolated from the egg jelly of Arbacia punctulata increased the respiration rates of A. punctulata spermatozoa but did not activate sperm cells from Lytechinus pictus. In contrast, speract (Gly-Phe-Asp-Leu-Asn-Gly-Gly-Gly-Val-Gly), elevated the respiration rates of L. pictus but not A.
David L Garbers
exaly   +3 more sources

Probing Microbial Extracellular Respiration Ability Using Riboflavin

Analytical Chemistry, 2020
Electrochemically active bacteria (EAB) are capable of extracellular electron transfer (EET) to insoluble metal oxides, and thus play a great role in the fields of environment, energy, and geosciences. However, rapid and accurate quantification of the EET ability of EAB is still challenging.
Feng Zhang, Jing-Hang Wu, Han-Qing Yu
openaire   +2 more sources

The enhancement on biohydrogen production by the driving forces from extracellular iron oxide respiration

Bioresource Technology, 2022
Biohydrogen productions from xylose and glucose under dark condition were enhanced by the presence of natural Fe3O4. The electron equivalent of H2 fractions accounted for 4.55 % and 5.69 % of the total given xylose and glucose in the experiments without Fe3O4, and that were correspondingly increased to 5.14 % and 6.50 % in the experiments with 100 mg/L
Lei, Yu, Wei-Xin, Cheng, Quan, Wang
exaly   +3 more sources

Enforcing energy consumption promotes microbial extracellular respiration for xenobiotic bioconversion

Environmental Microbiology, 2023
Abstract Extracellular electron transfer (EET) empowers electrogens to catalyse the bioconversion of a wide range of xenobiotics in the environment. Synthetic bioengineering has proven effective in promoting EET output. However, conventional strategies mainly focus on modifications of EET‐related genes or pathways,
Zi‐Han Liang   +5 more
openaire   +2 more sources

Extracellular cations and respiration of tissues of Holothuria glaberrima

Comparative Biochemistry and Physiology Part A: Physiology, 1981
Abstract 1. 1. Respiratory tree and muscle of Holothuria glaberrima respire at a rate of 635.5 ± 10 μ l O 2 /hr × g d.w. and 137.4 ± 6.3 μ l O 2 /hr × g d.w. respectively in sodium-containing artificial seawater. 2. 2. Replacement of sodium by choline, lithium or Tris (pH 8.0) does not modify oxygen consumption of respiratory trees.
Francisco C Herrera, Margarita Plaza
openaire   +1 more source

The roles of medullary extracellular and cerebrospinal fluid pH in control of respiration

Respiration Physiology, 1985
To determine the effective stimulus to the central chemoreceptors, we measured CSF and medullary extracellular fluid (ECF) pH and phrenic activity in 11 anesthetized, paralyzed, vagotomized and glomectomized cats. Flat-tipped pH electrodes (2 mm diam.) were used to measure ECF pH on the ventral surface of the medulla and CSF pH 2 mm above the surface ...
J P, Kiley, F L, Eldridge, D E, Millhorn
openaire   +2 more sources

Extracellular ATP and glutamate drive pyruvate production and energy demand to regulate mitochondrial respiration in astrocytes

open access: yesGlia, 2019
AbstractAstrocytes respond to energetic demands by upregulating glycolysis, lactate production, and respiration. This study addresses the role of respiration and calcium regulation of respiration as part of the astrocyte response to the workloads caused by extracellular ATP and glutamate.
Inés Juaristi   +2 more
exaly   +4 more sources

The Extracellular Hemoglobins of Artemia: Structure of The Oxygen Carrier and Respiration Physiology

2018
info:eu-repo/semantics ...
Moens, Luc   +6 more
openaire   +3 more sources

Potential regulates metabolism and extracellular respiration of electroactive Geobacter biofilm

Biotechnology and Bioengineering, 2019
AbstractDissimilatory metal reducer Geobacter sulfurreducens can mediate redox processes through extracellular electron transfer and exhibit potential‐dependent electrochemical activity in biofilm. Understanding the microbial acclimation to potential is of critical importance for developing robust electrochemically active biofilms and facilitating ...
Dao‐Bo Li   +8 more
openaire   +2 more sources

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