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237 Results Found

  • Article
  • Open Access
9 Citations
4,151 Views
13 Pages

Characterization of MK8(H2) from Rhodococcus sp. B7740 and Its Potential Antiglycation Capacity Measurements

  • Yashu Chen,
  • Qin Mu,
  • Kai Hu,
  • Mo Chen,
  • Jifang Yang,
  • Jigang Chen,
  • Bijun Xie and
  • Zhida Sun

18 October 2018

Menaquinone (MK) has an important role in human metabolism as an essential vitamin (VK2), which is mainly produced through the fermentation of microorganisms. MK8(H2) was identified to be the main menaquinone from Rhodococcus sp. B7740, a bacterium i...

  • Article
  • Open Access
6 Citations
2,801 Views
17 Pages

The Potent and Selective Histamine H3 Receptor Antagonist E169 Counteracts Cognitive Deficits and Mitigates Disturbances in the PI3K/AKT/GSK-3β Signaling Pathway in MK801-Induced Amnesia in Mice

  • Sabna Abdalla,
  • Nermin Eissa,
  • Petrilla Jayaprakash,
  • Rami Beiram,
  • Kamil J. Kuder,
  • Dorota Łażewska,
  • Katarzyna Kieć-Kononowicz and
  • Bassem Sadek

12 August 2023

The role of histamine H3 receptors (H3Rs) in memory and the prospective of H3R antagonists in pharmacological control of neurodegenerative disorders, e.g., Alzheimer’s disease (AD), is well-accepted. Therefore, the procognitive effects of acute...

  • Article
  • Open Access
12 Citations
3,610 Views
9 Pages

Excellent Islet Yields after 18-h Porcine Pancreas Preservation by Ductal Injection, Pancreas Preservation with MK Solution, Bottle Purification, and Islet Purification Using Iodixanol with UW Solution and Iodixanol with MK Solution

  • Kazuho Kuwae,
  • Chika Miyagi-Shiohira,
  • Eri Hamada,
  • Yoshihito Tamaki,
  • Kai Nishime,
  • Mayuko Sakai,
  • Tasuku Yonaha,
  • Erika Makishi,
  • Issei Saitoh and
  • Masami Watanabe
  • + 1 author

30 September 2019

Successful islet isolation is the key to successful islet transplantation. Our group recently modified the islet isolation protocol to include pancreatic ductal injection of the preservation solution, pancreas storage in modified extracellular-type t...

  • Article
  • Open Access
8 Citations
2,558 Views
19 Pages

Layer-by-Layer Coating of MK-40 Heterogeneous Membrane with Polyelectrolytes Creates Samples with Low Electrical Resistance and Weak Generation of H+ and OH Ions

  • Kseniia Tsygurina,
  • Olesya Rybalkina,
  • Konstantin Sabbatovskiy,
  • Evgeniy Kirichenko,
  • Vladimir Sobolev and
  • Ksenia Kirichenko

20 February 2021

Ion exchange membranes covered with layers of polyelectrolytes of alternating charges are characterized by very high monovalent selectivity. This allows the use of such membranes for electrodialytic fractionation of multicomponent solutions. However,...

  • Article
  • Open Access
5 Citations
2,162 Views
14 Pages

Identification and Functional Analysis of MAPKAPK2 in Hyriopsis cumingii

  • Yang Gu,
  • Meiling Liu,
  • Yayu Wang,
  • Yingduo Huo,
  • Zongyu Liu,
  • Wu Jin and
  • Guiling Wang

7 November 2022

MAPKAPK2 (MK2) is an important regulator of the p38 mitogen-activated protein kinase (p38 MAPK) pathway, which is involved in a plethora of cellular processes concluding the development of gamete cells in meiosis and resisting pathogenic bacterial in...

  • Article
  • Open Access
20 Citations
6,091 Views
13 Pages

Evaluation of Physiological Effects Induced by Manuka Honey Upon Staphylococcus aureus and Escherichia coli

  • Patricia Combarros-Fuertes,
  • Leticia M. Estevinho,
  • Rita Teixeira-Santos,
  • Acácio G. Rodrigues,
  • Cidália Pina-Vaz,
  • Jose M. Fresno and
  • M. Eugenia Tornadijo

Several studies have explored the antimicrobial properties of manuka honey (MkH). However, the data available regarding antibacterial action mechanisms are scarcer. The aim of this study was to scrutinize and characterize primary effects of manuka ho...

  • Article
  • Open Access
27 Citations
7,220 Views
12 Pages

19 August 2016

Glutamate-mediated excitotoxicity is a major cause of ischemic brain damage. MK-801 confers neuroprotection by attenuating the activation of the N-methyl-d-aspartate (NMDA) receptor, but it failed in clinical use due to the short therapeutic window....

  • Article
  • Open Access
29 Citations
6,227 Views
14 Pages

Effects of Vitamin K2 on the Expression of Genes Involved in Bile Acid Synthesis and Glucose Homeostasis in Mice with Humanized PXR

  • Halima Sultana,
  • Kimika Watanabe,
  • Md Masud Rana,
  • Rie Takashima,
  • Ai Ohashi,
  • Michio Komai and
  • Hitoshi Shirakawa

27 July 2018

Pregnane X receptor (PXR) is a nuclear receptor activated by various compounds, including prescribed drugs and dietary ingredients. Ligand-specific activation of PXR alters drug metabolism and affects many other physiological conditions. Species-spec...

  • Article
  • Open Access
1,862 Views
19 Pages

Menaquinone-7 (MK-7) plays a crucial role in preventing fractures and certain cardiovascular diseases and is one of the essential vitamins in the human body. In this study, a strain of Bacillus subtilis that produces MK-7 was isolated from commercial...

  • Article
  • Open Access
4 Citations
2,102 Views
14 Pages

Over the past few decades, ultrahigh-performance concrete (UHPC) has been widely studied and applied because of its outstanding mechanical properties, such as its high strength and notable durability. However, because of its high cost and easy shrink...

  • Review
  • Open Access
45 Citations
12,407 Views
12 Pages

17 December 2021

Vitamin K is involved many biological processes, such as the regulation of blood coagulation, prevention of vascular calcification, bone metabolism and modulation of cell proliferation. Menaquinones (MK) and phylloquinone vary in biological activity,...

  • Article
  • Open Access
8 Citations
12,188 Views
25 Pages

Comparative Molecular Dynamics Simulations of Mitogen-Activated Protein Kinase-Activated Protein Kinase 5

  • Inger Lindin,
  • Yimingjiang Wuxiuer,
  • Aina Westrheim Ravna,
  • Ugo Moens and
  • Ingebrigt Sylte

19 March 2014

The mitogen-activated protein kinase-activated protein kinase MK5 is a substrate of the mitogen-activated protein kinases p38, ERK3 and ERK4. Cell culture and animal studies have demonstrated that MK5 is involved in tumour suppression and promotion,...

  • Article
  • Open Access
1 Citations
2,550 Views
12 Pages

Staphylococcus hsinchuensis sp. nov., Isolated from Soymilk

  • Yu-Ting Wang,
  • Yu-Chun Lin,
  • Yi-Huei Hsieh,
  • Yu-Tzu Lin,
  • Moriyuki Hamada,
  • Chih-Chieh Chen,
  • Jong-Shian Liou,
  • Ai-Yun Lee,
  • Wei-Ling Zhang and
  • Yung-Tsung Chen
  • + 1 author

A novel coagulase-negative Staphylococcus strain (H164T) was isolated from soymilk in Taiwan. Comparative sequence analysis of the 16S rRNA gene revealed that the H164T strain is a member of the genus Staphylococcus. We used multilocus sequence analy...

  • Article
  • Open Access
21 Citations
6,203 Views
12 Pages

Dietary Potassium Attenuates the Effects of Dietary Sodium on Vascular Function in Salt-Resistant Adults

  • Katarina Smiljanec,
  • Alexis Mbakwe,
  • Macarena Ramos Gonzalez,
  • William B. Farquhar and
  • Shannon L. Lennon

25 April 2020

The influence of dietary sodium and potassium on blood pressure (BP) has been extensively studied, however their impact on endothelial function, particularly any interactive effects, has received less attention. The purpose of this study was to deter...

  • Article
  • Open Access
9 Citations
2,983 Views
14 Pages

Aberrant neurogenesis in the subventricular zone (SVZ) and hippocampus (HIP) contributes to schizophrenia pathogenesis. Haloperidol (HAL) and olanzapine (OLA), commonly prescribed antipsychotics for schizophrenia treatment, affect neurogenesis too. T...

  • Article
  • Open Access
5 Citations
2,277 Views
16 Pages

Glutamate’s Effects on the N-Methyl-D-Aspartate (NMDA) Receptor Ion Channel in Alzheimer’s Disease Brain: Challenges for PET Radiotracer Development for Imaging the NMDA Ion Channel

  • Nehal M. Shah,
  • Nane Ghazaryan,
  • Noresa L. Gonzaga,
  • Cayz G. Paclibar,
  • Agnes P. Biju,
  • Christopher Liang and
  • Jogeshwar Mukherjee

19 December 2023

In an effort to further understand the challenges facing in vivo imaging probe development for the N-methyl-D-aspartate (NMDA) receptor ion channel, we have evaluated the effect of glutamate on the Alzheimer’s disease (AD) brain. Human post-mor...

  • Feature Paper
  • Article
  • Open Access
10 Citations
4,279 Views
23 Pages

Removal of Ammonium Ions from Aqueous Solutions Using Alkali-Activated Analcime as Sorbent

  • Hanna Runtti,
  • Elavarasi Sundhararasu,
  • Janne Pesonen,
  • Sari Tuomikoski,
  • Tao Hu,
  • Ulla Lassi and
  • Teija Kangas

Five alkali-activated analcime (ANA) sorbents (ANA-MK 1, ANA 2, ANA 3, ANA-MK 4, and ANA-MK 5) were developed for ammonium (NH4+) ion removal. Acid treatment and calcination were used as pre-treatments for analcime, and metakaolin (MK) was used as a...

  • Article
  • Open Access
4 Citations
1,931 Views
19 Pages

22 August 2024

This study compares the structural, microstructural, thermal, and mechanical properties of geopolymer pastes (GPs) created through traditional methods and those derived from ready-to-use powders for geopolymer (RUPG) materials. The metakaolin (MK) pr...

  • Article
  • Open Access
774 Views
20 Pages

Green and Sustainable Clay Ceramic Membrane Preparation and Application to Textile Wastewater Treatment for Color Removal

  • Jamila Bahrouni,
  • Afef Attia,
  • Fatima Zohra Elberrichi,
  • Lasâad Dammak,
  • Lassaad Baklouti,
  • Mohamed-Ali Ben Aissa,
  • Raja Ben Amar and
  • Andre Deratani

26 September 2025

Ceramic membrane technology plays an important role in water and wastewater treatment. Strategic sourcing of various natural mineral resources has contributed to developing low-cost ceramic membranes. The combination with calcination of inorganic and...

  • Article
  • Open Access
4 Citations
1,595 Views
16 Pages

Small Structural Differences in Proline-Rich Decapeptides Have Specific Effects on Oxidative Stress-Induced Neurotoxicity and L-Arginine Generation by Arginosuccinate Synthase

  • Carlos Alberto-Silva,
  • Brenda Rufino da Silva,
  • Julio Cezar Araujo da Silva,
  • Felipe Assumpção da Cunha e Silva,
  • Roberto Tadashi Kodama,
  • Wilmar Dias da Silva,
  • Maricilia Silva Costa and
  • Fernanda Calheta Vieira Portaro

Introduction. The proline-rich decapeptide 10c (Bj-PRO-10c; ENWPHPQIPP) from the Bothrops jararaca snake modulates argininosuccinate synthetase (AsS) activity to stimulate L-arginine metabolite production and neuroprotection in the SH-SY5Y cell line....

  • Article
  • Open Access
8 Citations
2,907 Views
17 Pages

30 March 2023

Water transport is vital for the durability of ultra-high performance concrete (UHPC) in engineering, but its absorption behavior requires further comprehension. This study investigates the impact of silica fume (SF) and metakaolin (MK) on water abso...

  • Article
  • Open Access
28 Citations
4,728 Views
20 Pages

The Specific Capsule Depolymerase of Phage PMK34 Sensitizes Acinetobacter baumannii to Serum Killing

  • Karim Abdelkader,
  • Diana Gutiérrez,
  • Agnieszka Latka,
  • Dimitri Boeckaerts,
  • Zuzanna Drulis-Kawa,
  • Bjorn Criel,
  • Hans Gerstmans,
  • Amal Safaan,
  • Ahmed S. Khairalla and
  • Yasser Gaber
  • + 2 authors

The rising antimicrobial resistance is particularly alarming for Acinetobacter baumannii, calling for the discovery and evaluation of alternatives to treat A. baumannii infections. Some bacteriophages produce a structural protein that depolymerizes c...

  • Article
  • Open Access
12 Citations
3,769 Views
8 Pages

Effects of Betahistine on the Development of Vestibular Compensation after Unilateral Labyrinthectomy in Rats

  • Junya Fukuda,
  • Kazunori Matsuda,
  • Go Sato,
  • Tadashi Kitahara,
  • Momoyo Matsuoka,
  • Takahiro Azuma,
  • Yoshiaki Kitamura,
  • Koichi Tomita and
  • Noriaki Takeda

Background: Vestibular compensation (VC) after unilateral labyrinthectomy (UL) consists of the initial and late processes. These processes can be evaluated based on the decline in the frequency of spontaneous nystagmus (SN) and the number of MK801-in...

  • Article
  • Open Access
4 Citations
6,743 Views
13 Pages

24 July 2013

Tryptamine derivatives (Ts) were found to inhibit the binding of [3H]MK-801, [3H]ketanserin and [3H]8-OH-DPAT to rat brain membranes. [3H]MK-801 labels the NMDA (N-methyl-D-aspartate) receptor, a ionotropic glutamate receptor which controls synaptic...

  • Article
  • Open Access
2 Citations
1,266 Views
15 Pages

Towards Imaging Tau Hyperphosphorylation: Is DYRK1A a Potential Target for Imaging Hyperphosphorylation of Tau? Molecular Modeling Assessment and Synthesis of [125I]Radioiodinated DYRK1A Inhibitor

  • Cayz G. Paclibar,
  • Deanna M. Schafer,
  • Agnes P. Biju,
  • Fariha Karim,
  • Stephanie A. Sison,
  • Christopher Liang,
  • Shamiha T. Ahmed and
  • Jogeshwar Mukherjee

21 February 2025

Dual specificity tyrosine-phosphorylation regulated kinase 1A (DYRK1A), a phosphorylation kinase, is localized within the central nervous system and is linked to hyperphosphorylation of Tau. Imaging of DYRK1A may provide an earlier biomarker for Tauo...

  • Article
  • Open Access
20 Citations
4,185 Views
12 Pages

Bacterial wilt of tomato is a destructive disease caused by Ralstonia solanacearum throughout the world. An endophytic actinomycete with antagonistic activity, designated strain LD120T, was isolated from moss (Physcomitrium sphaericum (Ludw) Fuernr)....

  • Article
  • Open Access
6 Citations
2,530 Views
11 Pages

Cloning and Characterization of Cellulase from Paenibacillus peoriae MK1 Isolated from Soil

  • Sang Jin Kim,
  • Kyung-Chul Shin,
  • Dae Wook Kim,
  • Yeong-Su Kim and
  • Chang-Su Park

27 September 2023

An isolated bacterium from soil that highly hydrolyzes cellulose was identified as Paenibacillus peoriae and named P. peoriae MK1. The cellulase from P. peoriae MK1 was cloned and expressed in Escherichia coli. The purified recombinant cellulase, a s...

  • Article
  • Open Access
26 Citations
4,282 Views
12 Pages

Chk1 Inhibitor MK-8776 Restores the Sensitivity of Chemotherapeutics in P-glycoprotein Overexpressing Cancer Cells

  • Qingbin Cui,
  • Chao-Yun Cai,
  • Jing-Quan Wang,
  • Shuang Zhang,
  • Pranav Gupta,
  • Ning Ji,
  • Yuqi Yang,
  • Xingduo Dong,
  • Dong-Hua Yang and
  • Zhe-Sheng Chen

22 August 2019

P-glycoprotein (P-gp), which is encoded by the ATP-binding cassette (ABC) transporter subfamily B member 1 (ABCB1) gene, is one of the most pivotal ABC transporters that transport its substrates across the cell membrane. Its overexpression is one of...

  • Article
  • Open Access
1 Citations
772 Views
18 Pages

Genetic Parameter Estimation of Body Weight and VpAHPND Resistance in Two Strains of Penaeus vannamei

  • Guixian Huang,
  • Jie Kong,
  • Jiteng Tian,
  • Sheng Luan,
  • Mianyu Liu,
  • Kun Luo,
  • Jian Tan,
  • Jiawang Cao,
  • Ping Dai and
  • Guangfeng Qiang
  • + 3 authors

29 April 2025

This study evaluated the genetic parameters for growth and Vibrio parahaemolyticus (VpAHPND) resistance in both the introduced MK strain and the self-constructed GK strain of Penaeus vannamei, investigating the impact of genotyped female parents on t...

  • Article
  • Open Access
4 Citations
3,214 Views
15 Pages

A Study on the Microstructure and Mechanical Properties of Portland Cement Incorporating Aluminosilicate Waste

  • Valentin Antonovič,
  • Donatas Sikarskas,
  • Renata Boris,
  • Andrius Kudžma,
  • Jurgita Malaiškienė and
  • Rimvydas Stonys

10 January 2024

The influence of aluminosilicate pozzolanic waste, specifically spent fluid catalytic cracking waste (FCCW) and metakaolin waste (MK) from the expanded glass industry, on the properties of hardened Portland cement paste were analysed. The study invol...

  • Article
  • Open Access
1,435 Views
14 Pages

20 February 2025

Bombesin receptor subtype-3 (BRS-3) is a type 1 G-protein-coupled receptor (GPCR). BRS-3 is an orphan GPCR that is structurally related to neuromedin B and gastrin-releasing peptide receptors. When activated, BRS-3 causes phosphatidylinositol turnove...

  • Article
  • Open Access
2,226 Views
11 Pages

Montelukast Influence on Lung in Experimental Diabetes

  • Cristina Gales,
  • Bogdan Stoica,
  • Gabriela Rusu-Zota and
  • Mihai Nechifor

30 April 2024

Background and Objectives: The influence of montelukast (MK), an antagonist of cysLT1 leukotriene receptors, on lung lesions caused by experimental diabetes was studied. Materials and Methods: The study was conducted on four groups of six adult male...

  • Article
  • Open Access
2 Citations
3,306 Views
22 Pages

Novel Pan-Coronavirus 3CL Protease Inhibitor MK-7845: Biological and Pharmacological Profiling

  • Nadine Alvarez,
  • Gregory C. Adam,
  • John A. Howe,
  • Vijeta Sharma,
  • Matthew D. Zimmerman,
  • Enriko Dolgov,
  • Risha Rasheed,
  • Fatima Nizar,
  • Khushboo Sahay and
  • Andrew M. Nelson
  • + 21 authors

18 July 2024

Severe acute respiratory syndrome coronavirus type 2 (SARS-CoV-2) continues to be a global threat due to its ability to evolve and generate new subvariants, leading to new waves of infection. Additionally, other coronaviruses like Middle East respira...

  • Article
  • Open Access
6 Citations
1,739 Views
20 Pages

Transcriptomic and Metabolomic Analyses of Soybean Protein Isolate on Monascus Pigments and Monacolin K Production

  • Xueling Qin,
  • Haolan Han,
  • Jiayi Zhang,
  • Bin Xie,
  • Yufan Zhang,
  • Jun Liu,
  • Weiwei Dong,
  • Yuanliang Hu,
  • Xiang Yu and
  • Yanli Feng

19 July 2024

Monascus pigments (MPs) and monacolin K (MK) are important secondary metabolites produced by Monascus spp. This study aimed to investigate the effect of soybean protein isolate (SPI) on the biosynthesis of MPs and MK based on the analysis of physiolo...

  • Article
  • Open Access
33 Citations
4,270 Views
14 Pages

Biosorption of Cadmium and Lead by Dry Biomass of Nostoc sp. MK-11: Kinetic and Isotherm Study

  • Muhammad Kaleem,
  • Lubna Anjum Minhas,
  • Muhammad Zafar Hashmi,
  • Mohammad Ajmal Ali,
  • Rania M. Mahmoud,
  • Saddam Saqib,
  • Moona Nazish,
  • Wajid Zaman and
  • Abdul Samad Mumtaz

Cadmium (Cd) and lead (Pb) are global environmental pollutants. In this study, Nostoc sp. MK-11 was used as an environmentally safe, economical, and efficient biosorbent for the removal of Cd and Pb ions from synthetic aqueous solutions. Nostoc sp. M...

  • Communication
  • Open Access
6 Citations
3,362 Views
9 Pages

Effects of Transient Administration of the NMDA Receptor Antagonist MK-801 in Drosophila melanogaster Activity, Sleep, and Negative Geotaxis

  • Thiago C. Moulin,
  • Tijana Stojanovic,
  • Rasika P. Rajesh,
  • Tirusha Pareek,
  • Laura Donzelli,
  • Michael J. Williams and
  • Helgi B. Schiöth

MK-801, also called dizocilpine, is an N-methyl-D-aspartate (NMDA) receptor antagonist widely used in animal research to model schizophrenia-like phenotypes. Although its effects in rodents are well characterised, little is known about the outcomes o...

  • Article
  • Open Access
7 Citations
3,862 Views
13 Pages

Fodinicola acaciae sp. nov., an Endophytic Actinomycete Isolated from the Roots of Acacia mangium Willd. and Its Genome Analysis

  • Huyền Thị Thanh Phạm,
  • Wipawadee Suwannapan,
  • Wilaiwan Koomsiri,
  • Yuki Inahashi,
  • Akira Také,
  • Atsuko Matsumoto and
  • Arinthip Thamchaipenet

A novel endophytic actinomycete strain GKU 173T isolated from the roots of Acacia mangium Willd. showed potential plant growth promoting (PGP) activity. Phylogenetic analysis, based on 16S rRNA gene, indicated that strain GKU 173T was the most closel...

  • Article
  • Open Access
8 Citations
5,424 Views
12 Pages

Characterization of Sinomonas gamaensis sp. nov., a Novel Soil Bacterium with Antifungal Activity against Exserohilum turcicum

  • Yansong Fu,
  • Rui Yan,
  • Dongli Liu,
  • Junwei Zhao,
  • Jia Song,
  • Xiangjing Wang,
  • Lin Cui,
  • Ji Zhang and
  • Wensheng Xiang

A novel Gram staining positive, aerobic bacterium NEAU-HV1T that exhibits antifungal activity against Exserohilum turcicum was isolated from a soil collected from Gama, Hadjer lamis, Chad. It was grown at 10–45 °C (optimum 30 °C), pH 5&...

  • Article
  • Open Access
6 Citations
1,503 Views
16 Pages

26 November 2022

To provide the theoretical basis for the engineering application of metakaolin as aluminum-rich pozzolanic ash materials, the promoting effect of metakaolin on the macro- and micro-mechanical properties of composite cement-based composite materials w...

  • Article
  • Open Access
21 Citations
4,135 Views
20 Pages

Characteristics of Sustainable Concrete Containing Metakaolin and Magnetized Water

  • Ahmed M. Elkerany,
  • Mostafa M. Keshta,
  • Mohamed M. Yousry Elshikh,
  • Ahmed A. Elshami and
  • Osama Youssf

In this study, fourteen sustainable concrete mixes containing metakaolin (MK) as supplementary cement material (SCM) and magnetized water (MW) as concrete mixing water were designed, prepared, tested, analyzed, and compared. The MK was used as a part...

  • Article
  • Open Access
5 Citations
6,580 Views
23 Pages

A Computational Study on Thiourea Analogs as Potent MK-2 Inhibitors

  • Ming Hao,
  • Hong Ren,
  • Fang Luo,
  • Shuwei Zhang,
  • Jieshan Qiu,
  • Mingjuan Ji,
  • Hongzong Si and
  • Guohui Li

8 June 2012

Mitogen-activated protein kinase-activated protein kinase 2 (MK-2) has been identified as a drug target for the treatment of inflammatory diseases. Currently, a series of thiourea analogs as potent MK-2 inhibitors were studied using comprehensive com...

  • Article
  • Open Access
1 Citations
752 Views
16 Pages

The Application Potential of the Raw Goat Milk-Derived Strain Lactococcus lactis MK 1/3 for the Dairy Industry

  • Andrea Lauková,
  • Martin Tomáška,
  • Maroš Drončovský,
  • Rastislav Mucha,
  • Emília Dvorožňáková,
  • Miroslav Kološta and
  • Monika Pogány Simonová

17 June 2025

Raw goat milk-derived Lactococcus lactis MK1/3 (CCM 9209) was studied to show its potential for use in the dairy industry. Finding an innovative strain indicates having a new safe, original additive for functional food. The strain has been shown to b...

  • Article
  • Open Access
6 Citations
4,036 Views
12 Pages

Characterization of Streptomyces piniterrae sp. nov. and Identification of the Putative Gene Cluster Encoding the Biosynthesis of Heliquinomycins

  • Xiaoxin Zhuang,
  • Zhiyan Wang,
  • Chenghui Peng,
  • Can Su,
  • Congting Gao,
  • Yongjiang Wang,
  • Shengxiong Huang and
  • Chongxi Liu

A novel actinomycete producing heliquinomycin and 9’-methoxy-heliquinomycin, designated strain jys28T, was isolated from rhizosphere soil of Pinus yunnanensis and characterized using a polyphasic approach. The strain had morphological character...

  • Article
  • Open Access
1,284 Views
26 Pages

Development of Geopolymeric Mortar from Metakaolin and Ignimbrite from the Añashuayco Quarries, Peru, for Civil Construction

  • Alan Ícaro Sousa Morais,
  • Daniela Krisbéll Ortega Palmeira,
  • Ariane Maria Da Silva Santos Nascimento,
  • Josy Anteveli Osajima,
  • Ramón Raudel Peña Garcia and
  • Fredy Alberto Huamán-Mamani

21 June 2025

The construction industry generates large amounts of waste and high CO2 emissions, especially from cement production. Sustainable alternatives, such as geopolymers, help reduce these impacts by promoting eco-friendly materials. This study aimed to de...

  • Article
  • Open Access
25 Citations
3,405 Views
15 Pages

11 February 2022

Monascus is used widely in Asian countries and produces various biologically active metabolites, such as Monascus pigments (MPs) and monacolin K (MK). In this study, the effect of γ-heptalactone on secondary metabolites and mycelial growth duri...

  • Article
  • Open Access
15 Citations
3,418 Views
22 Pages

29 January 2021

The basidiomycete Pleurotus sapidus produced a dye-decolorizing peroxidase (PsaPOX) with alkene cleavage activity, implying potential as a biocatalyst for the fragrance and flavor industry. To increase the activity, a daughter-generation of 101 basid...

  • Article
  • Open Access
11 Citations
2,370 Views
13 Pages

In this study, the role of two reactive fillers, specifically a sand from a clay washing process as an alternative to waste glass powder and a commercial metakaolin (MK), into the geopolymerization process of waste clay-based materials was assessed....

  • Article
  • Open Access
3 Citations
2,584 Views
18 Pages

Effects of Spodumene Flotation Tailings on Mechanical Properties of Acid-Based Geopolymer Mortar

  • Houqin Wu,
  • Jie Yang,
  • Yongde Zhang,
  • Longhua Xu,
  • Jinping Meng and
  • Jiao Jin

19 January 2023

This study focuses on using spodumene flotation tailings (SFT) to prepare phosphoric acid-activated metakaolin geopolymer, in which the replacement of metakaolin (MK) by a high percentage (up to 75 wt.%) of tailings was achieved. The compressive stre...

  • Feature Paper
  • Article
  • Open Access
7 Citations
4,132 Views
20 Pages

Preparation of Granulated Biomass Carbon Catalysts—Structure Tailoring, Characterization, and Use in Catalytic Wet Air Oxidation of Bisphenol A

  • Riikka Juhola,
  • Anne Heponiemi,
  • Sari Tuomikoski,
  • Tao Hu,
  • Mika Huuhtanen,
  • Davide Bergna and
  • Ulla Lassi

13 February 2021

New carbonized biomass–metakaolin (PSD/MK_Fe) granular composite catalyst materials were manufactured for the catalytic wet air oxidation (CWAO) of bisphenol A (BPA). These catalysts were characterized using different analytical and spectroscopic tec...

  • Article
  • Open Access
22 Citations
3,343 Views
14 Pages

Influence of Surface Modification of MK-40 Membrane with Polyaniline on Scale Formation under Electrodialysis

  • Marina A. Andreeva,
  • Natalia V. Loza,
  • Natalia D. Pis’menskaya,
  • Lasaad Dammak and
  • Christian Larchet

A comprehensive study of the polyaniline influence on mineral scaling on the surface of the heterogeneous MK-40 sulfocationite membrane under electrodialysis has been conducted. Current-voltage curves and chronopotentiograms have been obtained and an...

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