Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 20 de 210
Filter
1.
Food Res Int ; 187: 114432, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38763680

ABSTRACT

Probiotics are subjected to various edible coatings, especially proteins and polysaccharides, which serve as the predominant wall materials, with ultrasound, a sustainable green technology. Herein, sodium caseinate, inulin, and soy protein isolate composites were produced using multi-frequency ultrasound and utilized to encapsulateLactiplantibacillus plantarumto enhance its storage, thermal, and gastrointestinal viability. The physicochemical analyses revealed that the composites with 5 % soy protein isolate treated with ultrasound at 50 kHz exhibited enough repulsion forces to maintain stability, pH resistance, and the ability to encapsulate larger particles and possessed the highest encapsulation efficiency (95.95 %). The structural analyses showed changes in the composite structure at CC, CH, CO, and amino acid residual levels. Rheology, texture, and water-holding capacity demonstrated the production of soft hydrogels with mild chewing and gummy properties, carried the microcapsules without coagulation or sedimentation. Moreover, the viability attributes ofL. plantarumevinced superior encapsulation, protecting them for at least eight weeks and against heat (63 °C), reactive oxidative species (H2O2), and GI conditions.


Subject(s)
Carboxymethylcellulose Sodium , Caseins , Hydrogels , Inulin , Probiotics , Soybean Proteins , Soybean Proteins/chemistry , Hydrogels/chemistry , Caseins/chemistry , Carboxymethylcellulose Sodium/chemistry , Inulin/chemistry , Inulin/pharmacology , Lactobacillus plantarum/metabolism , Rheology , Hydrogen-Ion Concentration , Microbial Viability , Capsules
2.
Nat Commun ; 15(1): 4165, 2024 May 16.
Article in English | MEDLINE | ID: mdl-38755180

ABSTRACT

The role for routine whole genome and transcriptome analysis (WGTA) for poor prognosis pediatric cancers remains undetermined. Here, we characterize somatic mutations, structural rearrangements, copy number variants, gene expression, immuno-profiles and germline cancer predisposition variants in children and adolescents with relapsed, refractory or poor prognosis malignancies who underwent somatic WGTA and matched germline sequencing. Seventy-nine participants with a median age at enrollment of 8.8 y (range 6 months to 21.2 y) are included. Germline pathogenic/likely pathogenic variants are identified in 12% of participants, of which 60% were not known prior. Therapeutically actionable variants are identified by targeted gene report and whole genome in 32% and 62% of participants, respectively, and increase to 96% after integrating transcriptome analyses. Thirty-two molecularly informed therapies are pursued in 28 participants with 54% achieving a clinical benefit rate; objective response or stable disease ≥6 months. Integrated WGTA identifies therapeutically actionable variants in almost all tumors and are directly translatable to clinical care of children with poor prognosis cancers.


Subject(s)
DNA Copy Number Variations , Gene Expression Profiling , Neoplasms , Humans , Child , Neoplasms/genetics , Neoplasms/therapy , Female , Adolescent , Male , Child, Preschool , Prognosis , Gene Expression Profiling/methods , Infant , Transcriptome , Young Adult , Whole Genome Sequencing , Germ-Line Mutation , Mutation , Genome, Human/genetics , Genetic Predisposition to Disease
3.
BMC Vet Res ; 20(1): 182, 2024 May 08.
Article in English | MEDLINE | ID: mdl-38720329

ABSTRACT

BACKGROUND: Porcine cysticercosis, a serious zoonotic parasitic disease, is caused by the larvae of Taenia solium and has been acknowledged by the World Organization for Animal Health. The current detection methods of Cysticercus cellulosae cannot meet the needs of large-scale and rapid detection in the field. We hypothesized that the immunofluorescence chromatography test strip (ICS) for detecting Cysticercus cellulosae, according to optimization of a series of reaction systems was conducted, and sensitivity, specificity, and stability testing, and was finally compared with ELISA. This method utilizes Eu3+-labeled time-resolved fluorescent microspheres (TRFM) coupled with TSOL18 antigen to detect TSOL18 antibodies in infected pig sera. RESULTS: ICS and autopsy have highly consistent diagnostic results (n = 133), as determined by Cohen's κ analysis (κ = 0.925). And the results showed that the proposed ICS are high sensitivity (0.9459) with specificity (0.9792). The ICS was unable to detect positive samples of other parasites. It can be stored for at least six months at 4℃. CONCLUSIONS: In summary, we established a TRFM-ICS method with higher sensitivity and specificity than indirect ELISA. Results obtained from serum samples can be read within 10 min, indicating a rapid, user-friendly test suitable for large-scale field detection.


Subject(s)
Antibodies, Helminth , Antigens, Helminth , Cysticercosis , Enzyme-Linked Immunosorbent Assay , Fluorescent Antibody Technique , Sensitivity and Specificity , Swine Diseases , Animals , Swine , Swine Diseases/diagnosis , Swine Diseases/parasitology , Swine Diseases/blood , Cysticercosis/veterinary , Cysticercosis/diagnosis , Antibodies, Helminth/blood , Antigens, Helminth/blood , Antigens, Helminth/immunology , Fluorescent Antibody Technique/veterinary , Fluorescent Antibody Technique/methods , Enzyme-Linked Immunosorbent Assay/veterinary , Enzyme-Linked Immunosorbent Assay/methods , Cysticercus/immunology , Taenia solium/immunology
4.
J Clin Sleep Med ; 2024 May 02.
Article in English | MEDLINE | ID: mdl-38695645

ABSTRACT

SRMD is characterized by repetitive, stereotyped, rhythmic movements of large muscle groups, primarily occurring at the onset of sleep and during sleep. Common in infancy and early childhood, its persistence into adolescence or adulthood is rare. Combined type is rare. This article reviews and analyzes the diagnosis and treatment of a case with combined type SRMD persisting for 15 years aimed at enhancing the level of diagnosis and treatment of the disorder, and reducing misdiagnosis and missed diagnosis.

5.
Bioresour Technol ; 400: 130668, 2024 May.
Article in English | MEDLINE | ID: mdl-38583677

ABSTRACT

This study examined the removal of typical antibiotics from simulated swine wastewater. Microalgae-bacteria/fungi symbioses were constructed using Chlorella ellipsoidea, endophytic bacteria (S395-2), and Clonostachys rosea as biomaterials. The growth, photosynthetic performance, and removal of three types of antibiotics (tetracyclines, sulfonamides, and quinolones) induced by four phytohormones were analyzed in each system. The results showed that all four phytohormones effectively improved the tolerance of symbiotic strains against antibiotic stress; strigolactones (GR24) achieved the best performance. At 10-9 M, GR24 achieved the best removal of antibiotics by C. elliptica + S395-2 + C. rosea symbiosis. The average removals of tetracycline, sulfonamide, and quinolone by this system reached 96.2-99.4 %, 75.2-81.1 %, and 66.8-69.9 %, respectively. The results of this study help to develop appropriate bio enhancement strategies as well as design and operate algal-bacterial-fungal symbiotic processes for the treatment of antibiotics-containing wastewater.


Subject(s)
Anti-Bacterial Agents , Microalgae , Plant Growth Regulators , Wastewater , Water Purification , Animals , Microalgae/drug effects , Wastewater/chemistry , Anti-Bacterial Agents/pharmacology , Swine , Water Purification/methods , Plant Growth Regulators/pharmacology , Water Pollutants, Chemical , Symbiosis/drug effects , Biodegradation, Environmental , Photosynthesis/drug effects , Chlorella/drug effects
6.
J Med Chem ; 67(4): 3144-3166, 2024 Feb 22.
Article in English | MEDLINE | ID: mdl-38336655

ABSTRACT

Cancer immunotherapy has revolutionized clinical advances in a variety of cancers. Due to the low immunogenicity of the tumor, only a few patients can benefit from it. Specific microtubule inhibitors can effectively induce immunogenic cell death and improve immunogenicity of the tumor. A series of isoquinoline derivatives based on the natural products podophyllotoxin and diphyllin were designed and synthesized. Among them, F10 showed robust antiproliferation activity against four human cancer cell lines, and it was verified that F10 exerted antiproliferative activity by inhibiting tubulin and V-ATPase. Further studies indicated that F10 is able to induce immunogenic cell death in addition to apoptosis. Meanwhile, F10 inhibited tumor growth in an RM-1 homograft model with enhanced T lymphocyte infiltration. These results suggest that F10 may be a promising lead compound for the development of a new generation of microtubule drugs.


Subject(s)
Antineoplastic Agents , Neoplasms , Humans , Tubulin Modulators/pharmacology , Tubulin Modulators/therapeutic use , Tubulin/metabolism , Antineoplastic Agents/pharmacology , Antineoplastic Agents/therapeutic use , Structure-Activity Relationship , Polymerization , Adenosine Triphosphatases/metabolism , Immunogenic Cell Death , Drug Screening Assays, Antitumor , Neoplasms/drug therapy , Neoplasms/metabolism , Apoptosis , Isoquinolines/pharmacology , Isoquinolines/therapeutic use , Cell Proliferation , Cell Line, Tumor
7.
Bioresour Technol ; 395: 130369, 2024 Mar.
Article in English | MEDLINE | ID: mdl-38272143

ABSTRACT

This study assessed the effect of gibberellins (GAs) concentrations on antibiotic and nutrient removal using diverse microalgal-bacterial-fungal consortia. Five systems (Chlorella vulgaris, T1; C. vulgaris + S395-2 + Clonostachys rosea, T2; C. vulgaris + S395-2 + Ganoderma lucidum, T3; C. vulgaris + S395-2 + Pleurotus pulmonarius, T4; and C. vulgaris + S395-2, T5) were established, and optimal conditions and effective symbiosis were applied to improve antibiotic and nutrient removal. Consortium growth was T2 > T3 > T5 > T4 > T1, while GA impact ranked 50 mg L-1 > 20 mg L-1 > 80 mg L-1 > 0 mg L-1. After 7 days at 50 mg L-1 GAs, total nitrogen (TN), NH4-N, NO3-N, and total phosphorous (TP) removal reached 85.97 %, 78.08 %, 86.59 %, and 94.39 %, respectively. Florfenicol, oxytetracycline hydrochloride, ofloxacin, and sulfamethoxazole removal efficiencies were 67.77 %, 98.29 %, 90.47 %, and 94.92 %, respectively. These findings highlight GAs' significant role in enhancing antibiotic and nutrient removal.


Subject(s)
Chlorella vulgaris , Microalgae , Wastewater , Gibberellins , Anti-Bacterial Agents/pharmacology , Nutrients , Aquaculture , Nitrogen/analysis , Bacteria , Fungi , Biomass
8.
Water Environ Res ; 96(1): e10977, 2024 Jan.
Article in English | MEDLINE | ID: mdl-38254264

ABSTRACT

The construction of dominant algal species and bacterial strains in algal treatment technology was crucial for pollutant removal. In order to enhance the purification capability of microalgae toward heavy metals in water as well as biogas slurry and biogas, symbiotic systems were respectively constructed using Chlorella vulgaris and two different endogenous bacteria (microalgal endophytic bacteria S395-2 and plant endophytic bacteria BEB7). The results demonstrated that the endogenous bacteria (S395-2 and BEB7) effectively promote the growth, biomass yield, photosynthetic activity, and carbonic anhydrase activity of microalgae. Additionally, BEB7 exhibited superior promotion effects on microalgae compared to S395-2. Moreover, the BEB7-microalgae co-cultivation system not only efficiently removed heavy metals from water but also effectively purified the nutrients and CO2 in biogas slurry. The optimal effect was observed when the ratio of BEB7 to microalgae was 10:1. This study has established a solid theoretical foundation for the application of microalgae in pollutant purification. PRACTITIONER POINTS: Endogenous bacteria effectively promoted microalgal performance. The optimal ratio of BEB7 to microalgae was 10:1. Chlorella vulgaris-BEB7 showed the best removal performance.


Subject(s)
Chlorella vulgaris , Environmental Pollutants , Metals, Heavy , Microalgae , Biofuels , Bacteria , Nutrients , Water
9.
Bioresour Technol ; 394: 130182, 2024 Feb.
Article in English | MEDLINE | ID: mdl-38081467

ABSTRACT

To develop and characterize novel antibiotics removal biomaterial technology, we constructed three different bacteria-microalgae-fungi consortiums containing Chlorella vulgaris (C. vulgaris), endophytic bacterium, Clonostachys rosea (C. rosea), Ganoderma lucidum, and Pleurotus pulmonarius. The results showed that under treatment with 50 mg/L of gibberellins (GAs), the three bacteria-microalgae-fungi symbionts had maximal growth rates (0.317 ± 0.030 d-1) and the highest removal efficiency for seven different antibiotics. Among them, C. vulgaris-endophytic bacterium-C. rosea symbiont had the best performance, with antibiotics removal efficiencies of 96.0 ± 1.4 %, 91.1 ± 7.9 %, 48.7 ± 5.1 %, 34.6 ± 2.9 %, 61.0 ± 5.5 %, 63.7 ± 5.6 %, and 54.3 ± 4.9 % for tetracycline hydrochloride, oxytetracycline hydrochloride, ciprofloxacin, norfloxacin, sulfadiazine, sulfamethazine, and sulfamethoxazole, respectively. Overall, the present study demonstrates that 50 mg/L GAs enhances biomass production and antibiotics removal efficiency of bacteria-microalgae-fungi symbionts, providing a framework for future antibiotics-containing wastewater treatment using three-phase symbionts.


Subject(s)
Chlorella vulgaris , Microalgae , Gibberellins , Plant Growth Regulators , Anti-Bacterial Agents/pharmacology , Wastewater , Bacteria , Fungi , Biomass
10.
J Environ Manage ; 347: 119120, 2023 Dec 01.
Article in English | MEDLINE | ID: mdl-37778062

ABSTRACT

As a promising material with an efficient light capture capability, a low amount of carbon nanotubes can affect growth and photosynthesis by regulating microalgal cells, thereby enhancing the pollutant removal efficiency in wastewater. In this study, microalgal-fungal consortia of Chlorella vulgaris and Ganoderma lucidum were developed with different types and concentrations of carbon nanotubes. The treatment effect of microalgal-fungal consortia on simulated digestate was also studied. The results demonstrate that 1.5 mg/L of carboxylated multi-walled carbon nanotubes remarkably promoted the formation, growth and photosynthesis of consortium. The dry weight and chlorophyll a content reached 19.3 ± 0.53 mg/symbiont and 27.3 ± 0.52 µg/L, respectively. Moreover, the removal efficiency of chemical oxygen demand, total nitrogen, total phosphorus and tetracycline hydrochloride were 94.1%, 65.5%, 61.9% and 96.2%, respectively. Overall, these findings suggest a promising future for the use of carbon nanotubes in wastewater treatment by regulating microalgal-fungal consortia.


Subject(s)
Chlorella vulgaris , Microalgae , Nanotubes, Carbon , Water Purification , Chlorophyll A , Biomass , Water Purification/methods , Nitrogen , Phosphorus
11.
G3 (Bethesda) ; 14(1)2023 Dec 29.
Article in English | MEDLINE | ID: mdl-37875130

ABSTRACT

Black spruce (Picea mariana [Mill.] B.S.P.) is a dominant conifer species in the North American boreal forest that plays important ecological and economic roles. Here, we present the first genome assembly of P. mariana with a reconstructed genome size of 18.3 Gbp and NG50 scaffold length of 36.0 kbp. A total of 66,332 protein-coding sequences were predicted in silico and annotated based on sequence homology. We analyzed the evolutionary relationships between P. mariana and 5 other spruces for which complete nuclear and organelle genome sequences were available. The phylogenetic tree estimated from mitochondrial genome sequences agrees with biogeography; specifically, P. mariana was strongly supported as a sister lineage to P. glauca and 3 other taxa found in western North America, followed by the European Picea abies. We obtained mixed topologies with weaker statistical support in phylogenetic trees estimated from nuclear and chloroplast genome sequences, indicative of ancient reticulate evolution affecting these 2 genomes. Clustering of protein-coding sequences from the 6 Picea taxa and 2 Pinus species resulted in 34,776 orthogroups, 560 of which appeared to be specific to P. mariana. Analysis of these specific orthogroups and dN/dS analysis of positive selection signatures for 497 single-copy orthogroups identified gene functions mostly related to plant development and stress response. The P. mariana genome assembly and annotation provides a valuable resource for forest genetics research and applications in this broadly distributed species, especially in relation to climate adaptation.


Subject(s)
Picea , Phylogeny , Picea/genetics , North America
12.
Heliyon ; 9(8): e19252, 2023 Aug.
Article in English | MEDLINE | ID: mdl-37664716

ABSTRACT

Accurate engine gas path component fault diagnosis methods are key to ensuring the reliability and safety of engine operations. At present, the effectiveness of the data-driven gas path component fault diagnosis methods has been widely verified in engineering applications. The deep stack neural network (DSN), as a common deep learning neural network, has been gaining more attention in gas path fault diagnosis studies. However, various gas path component faults with strong coupling effects could occur simultaneously, resulting the DSN method less effective for engine gas path fault diagnosis. In order to improve the prediction performance of the DSN handling multiple gas path component fault diagnosis, a sparse regularization and representation method was proposed. The sparse regularization term is used to expand the traditional deep stacking neural network in the sparse representation, and the predicted output tag is close to the target output tag through this term. The diagnosis performance of six different neural network methods were compared by various engine gas path component fault diagnosis types. The results show that the proposed sparse regularization method significantly improves the prediction performance of the DSN, with an accuracy rate 99.9% under various gas path component fault conditions, which is higher than other methods. The proposed engine gas path component fault diagnosis method can handle multiple coupling gas path faults, and help engine operators to develop maintenance plans for the purpose of engine health management.

13.
Bioresour Technol ; 388: 129796, 2023 Nov.
Article in English | MEDLINE | ID: mdl-37742816

ABSTRACT

Antibiotic misuse are potentially harmful to the environment and human health. Four algal symbionts were constructed using Chlorella vulgaris, endophytic bacterium and Clonostachys rosea (C. rosea) as the biomaterials. The growth, photosynthetic activity, and antibiotic removal efficiency of symbiont under different initial antibiotic concentrations was analyzed. The results showed that the microalgae-bacteria-fungi symbiont had a maximum growth rate of 0.307 ± 0.030 d-1 and achieved 99.35 ± 0.47%, 81.06 ± 7.83%, and 79.15 ± 7.26% removal of oxytetracycline (OTC), sulfadimethazine (SM2), and ciprofloxacin hydrochloride (CPFX), respectively, at an initial antibiotic concentration of 0.25 mg/L. C. rosea has always existed as a biocontrol fungus. In this study, it was innovatively used to construct algal symbionts and used for antibiotic wastewater treatment with a high efficiency. The results contribute to the development of appropriate bioaugmentation strategies and the design of an algal symbiont process for the treatment of antibiotic-containing wastewater.

14.
Biotechniques ; 75(2): 47-55, 2023 08.
Article in English | MEDLINE | ID: mdl-37551834

ABSTRACT

High-throughput total nucleic acid (TNA) purification methods based on solid-phase reversible immobilization (SPRI) beads produce TNA suitable for both genomic and transcriptomic applications. Even so, small RNA species, including miRNA, bind weakly to SPRI beads under standard TNA purification conditions, necessitating a separate workflow using column-based methods that are difficult to automate. Here, an SPRI-based high-throughput TNA purification protocol that recovers DNA, RNA and small RNA, called GSC-modified RLT+ Aline bead-based protocol (GRAB-ALL), which incorporates modifications to enhance small RNA recovery is presented. GRAB-ALL was benchmarked against existing nucleic acid purification workflows and GRAB-ALL efficiently purifies TNA, including small RNA, for next-generation sequencing applications in a plate-based format suitable for automated high-throughput sample preparation.


Subject(s)
DNA , RNA , RNA/genetics , DNA/genetics , High-Throughput Nucleotide Sequencing/methods
15.
J Med Chem ; 66(14): 10036-10059, 2023 07 27.
Article in English | MEDLINE | ID: mdl-37452764

ABSTRACT

Glutathione peroxidase 4 (GPX4) is a promising target to induce ferroptosis for the treatment of triple-negative breast cancer (TNBC). We designed and synthesized a novel series of covalent GPX4 inhibitors based on RSL3 and ML162 by structural integration and simplification strategies. Among them, compound C18 revealed a remarkable inhibitory activity against TNBC cells and significantly inhibited the activity of GPX4 compared to RSL3 and ML162. Moreover, it was identified that C18 could notably induce ferroptosis with high selectivity by increasing the accumulation of lipid peroxides (LPOs) in cells. Further study demonstrated that C18 covalently bound to the Sec46 of GPX4. Surprisingly, C18 exhibited an outstanding potency of tumor growth inhibition in the MDA-MB-231 xenograft model with a TGI value of 81.0%@20 mg/kg without obvious toxicity. Overall, C18 could be a promising GPX4 covalent inhibitor to induce ferroptosis for the treatment of TNBC.


Subject(s)
Ferroptosis , Triple Negative Breast Neoplasms , Humans , Phospholipid Hydroperoxide Glutathione Peroxidase , Glutathione Peroxidase/metabolism , Triple Negative Breast Neoplasms/drug therapy , Lipid Peroxides
16.
F1000Res ; 12: 336, 2023.
Article in English | MEDLINE | ID: mdl-37455852

ABSTRACT

We present a genome assembly of Caretta caretta (the Loggerhead sea turtle; Chordata, Testudines, Cheloniidae), generated from genomic data from two unrelated females. The genome sequence is 2.13 gigabases in size. The assembly has a busco completion score of 96.1% and N50 of 130.95 Mb. The majority of the assembly is scaffolded into 28 chromosomal representations with a remaining 2% of the assembly being excluded from these.


Subject(s)
Turtles , Animals , Female , Turtles/genetics , Reptiles , Genome , Genomics
17.
Water Environ Res ; 95(6): e10896, 2023 Jun.
Article in English | MEDLINE | ID: mdl-37225675

ABSTRACT

This study aimed to determine the best fungi to form the algal-bacterial-fungal symbionts and identify the optimal conditions for the synchronous processing of biogas slurry and biogas. Chlorella vulgaris (C. vulgaris) and endophytic bacteria (S395-2) isolated from it, and four different fungi (Ganoderma lucidum, Pleurotus ostreatus, Pleurotus geesteranus, and Pleurotus corucopiae) were used to form different symbiotic systems. Four different concentrations of GR24 were added to systems to examine the growth characteristics, the content of chlorophyll a (CHL-a), the activity of carbonic anhydrase (CA), the photosynthetic performance, the removal of nutrients, and the biogas purification performance. The results suggested that the growth rate, CA, CHL-a content, and photosynthetic performance of the C. vulgaris-endophytic bacteria-Ganoderma lucidum symbionts were higher than the other three symbiotic systems when 10-9  M GR24 was added. The highest nutrients/CO2 removal efficiency 78.36 ± 6.98% for chemical oxygen demand (COD), 81.63 ± 7.35% for total nitrogen (TN), 84.05 ± 7.16% for total phosphorus (TP), and 65.18 ± 6.12% for CO2 was obtained under the above optimal conditions. This approach will provide a theoretical basis for the selection and optimization of the algal-bacterial-fungal symbionts for biogas slurry and biogas purification. PRACTITIONER POINTS: Algae-bacteria/fungal symbiont presents superior nutrients and CO2 removal capacities. The maximum CO2 removal efficiency was 65.18 ± 6.12%. The removal performance was affected by fungi type.


Subject(s)
Chlorella vulgaris , Microalgae , Coculture Techniques , Biofuels , Carbon Dioxide , Chlorophyll A , Bacteria , Nitrogen , Fungi
19.
Arch Med Sci ; 19(1): 237-241, 2023.
Article in English | MEDLINE | ID: mdl-36817664

ABSTRACT

Introduction: The work was designed to investigate the effect of continuous positive airway pressure (CPAP) on hypertension in obstructive sleep apnea-hypopnea syndrome (OSAHS) patients and to elucidate the underlying mechanisms. Methods: We examined the effect of CPAP on blood pressure and biomarkers reflecting inflammation and oxidative stress, and investigated the correlation between changes in blood pressure and the biomarkers. Results: CPAP significantly improved clinic, ambulatory and home blood pressure (p < 0.05). The hypotensive effect of CPAP was positively correlated with the decrease of interleukin-6, C-reactive protein, NADPH oxidase and malonaldehyde. Conclusions: CPAP has a significant antihypertensive effect on OSAHS patients, especially nocturnal hypertension, possibly by counteracting inflammation and oxidative stress.

20.
Environ Sci Pollut Res Int ; 30(13): 36023-36032, 2023 Mar.
Article in English | MEDLINE | ID: mdl-36542281

ABSTRACT

In this study, Chlorella vulgaris, Ganoderma lucidum, and endophytic bacteria were co-cultivated with the stimulation of strigolactone analogs GR24 to prepare pellets. During the purification of biogas slurry and biogas, multi-walled carbon nanotubes (MWCNTs) were introduced to enhance the removal efficiencies of nutrients and CO2. The results showed that both GR24 and MWCNTs affected the purification of biogas slurry and biogas. The maximum chemical oxygen demand, total nitrogen, total phosphorus, and CO2 removal efficiencies of the Chlorella vulgaris-Ganoderma lucidum-endophytic bacterial symbionts were 82.57 ± 7.96% (P < 0.05), 82.14 ± 7.87% (P < 0.05), 84.27 ± 7.96% (P < 0.05), and 63.93 ± 6.22% (P < 0.05), respectively, with the induction of 10-9 M GR24 and 1 mg L-1 MWCNTs. Moreover, the growth and photosynthetic performance of the symbionts were consistent with the removal effects. The Chlorella vulgaris-Ganoderma lucidum-endophytic bacterial symbionts obtained high growth rates and enzyme activity with the maximum growth rate of 0.365 ± 0.03 d-1, mean daily productivity of 0.182 ± 0.016 g L-1 d-1, and carbonic anhydrase activity of 31.07 ± 2.75 units, respectively. These results indicated that an appropriate concentration of GR24 and MWCNTs could promote the growth of symbionts, reinforce the purification effects of biogas slurry and biogas, and provide a new idea for the simultaneous purification of wastewater and biogas.


Subject(s)
Chlorella vulgaris , Microalgae , Nanotubes, Carbon , Reishi , Biofuels/microbiology , Carbon Dioxide , Biomass , Nutrients , Bacteria , Fungi , Nitrogen
SELECTION OF CITATIONS
SEARCH DETAIL
...