Advanced searches left 3/3

Lactic Acid - DOAJ

Summarized by Plex Scholar
Last Updated: 11 May 2022

* If you want to update the article please login/register

Comparative Study of Serum lactic Acid, Lactate Dehydrogenase and Lipid Profile in Ischemic Heart Disease Patients and Healthy Control

The term ischemic heart disease reveals a disease spectrum of mixed etiology, with the common cause being a lack of oxygen supply and demand. In the current analysis, thirty healthy subjects of matched age were used as control groups, with females aged 65 years and 58 years. The results indicate a significant increase in all variables except HDL, which showed a significant decrease in the sera of male and female patient groups compared to matched sex and age control groups.

Source link: https://doaj.org/article/20ca5f584ce84954ae5fe992735b49a4


Lactic Acid Bacteria Biosurfactant Role That Isolated from Human Breast Milk in Inhibit Eyes Pathogenic Bacteria

This paper examines available research, methods, and publications related to Lactobacillus plantarum, Lactobacillus fermentum, Lactococcuslactis, and Leuconostocmesenteroides, which promotes disease spread through breast milk. 5 isolates of LAB from human breast milk were identified as biosurfactant manufacturer, according to the results, but L. plantarum was the most effective in surface activity. The findings are encouraging enough to warrant that the quest for inhibition of pathogenic bacteria growth with biosurfactant applications persists, with biosurfactant formulations looking forward for biosurfactant as a solution to the antibiotic resistance issue. The more efficient plantarum by solvent method for extraction was higher than endocellular and traditional methods of extraction, with the extracellular biosurfactant and extracellular biosurfactant.

Source link: https://doi.org/10.30526/31.2.1959


Recombinant lactic acid bacteria as promising vectors for mucosal vaccination

Both mucosal and systemic immune responses are required for fighting pathogens that invade the host through mucosal surfaces, and mucosal immunization helps prevent mucosal and systemic immune responses, which are vital for preventing pathogens from spreading through the mucosal surfaces. Several studies have shown that LAB mucosal vaccines can be used to enhance all arms of the immune system to provide adequate protection against pathogen infections. In addition, several LAB-based human papillomavirus vaccines have entered the clinical trial trials, demonstrating the high success of LAB vaccines for new mucosal transport diseases.

Source link: https://doi.org/10.1002/EXP.20210026


Effect of synthesized sulfonate derivatives as nucleating agents on crystallization behavior of poly(lactic acid)

PLA's increase in the crystallization of poly is one of the key areas to enable PLA to perform at higher temperatures and load bearing. Organic NAs, aromatic sulfonate salt, and bisamideamide compounds are promising ones because they can monitor better detail. In comparison to the commercial sulfonate salt, the aim of this study was to investigate PLA's crystallization behavior using as-synthesized dimethyl 5-sulfophthalate sodium salt as a nucleating agent. The crystallinity in all samples was improved after DSC's introduction of the nucleating agents into PLA, according to DSC's findings. The increase in overall crystallization rate of PLA with nucleating agents was shown by Isothermal crystallization kinetics. PLA L105/SSIPA1. 0 at 135 °C was the fastest half crystallization time for PLA L105/SSIPA1. 0 at 135 °C. POM's findings revealed a dramatic increase in the nucleus density and reduced spherulite size on adding nucleus components.

Source link: https://doi.org/10.1080/15685551.2022.2072697


Functional Verification of the Citrate Transporter Gene in a Wine Lactic Acid Bacterium, Lactiplantibacillus plantarum

Organic acid metabolism by lactic acid bacteria plays a significant role in wine quality. However, up to now, there is still no published study on the functional determination of organic acid transporter genes in wine lactic acid bacteria. The gene knockout mutant XJ25-citP lost the ability to use citric acid, according to the study, but the gene complement mutant XJ25-citP-citP completely restored citric acid utilization. These indicated that citP in L. plantarum served as a citrate transporter and was the only gene responsible for citrate transporter. In addition, two modified plasmid vectors used for gene supplement in L. plantarum demonstrated distinct transcription effectiveness.

Source link: https://doi.org/10.3389/fbioe.2022.894870


Antimicrobial effects and mechanical properties of poly(methyl methacrylate) as an orthodontic acrylic resin containing Curcumin-Nisin-poly(l-lactic acid) nanoparticle: an in vitro study

Methods Following the synthesis and characterization of CurNisNps, acrylic resin specimens with different concentrations of CurNisNps were manufactured. Flexural strength values, antimicrobial properties, anti-biofilm ability, and anti-metabolic activity against S. mutans and C. albicans were determined at various time intervals. Also, quantitative real-time polymerase chain reaction analysis of S. mutans and C. albicans was investigated following treatment with CurNisNps. As the control group, acrylic resin samples containing 10% CurNisNps had flexural failure in comparison to acrylic resin specimens without CurNisNps.

Source link: https://doi.org/10.1186/s12903-022-02197-z


Functional characterization of α-Gal producing lactic acid bacteria with potential probiotic properties

Abstract The aim of recent studies has been to determine whether or not exploiting the human immune response to glycan -Gal for the prevention of multiple infectious diseases. The results revealed that Ten out of forty [25%] of the tested lactic acid bacteria produced Limosilactobacillus fermentum, Levilactobacillus brevis, Agrilactobacillus composti, Lacticaseibacillus bacillus brevis, Leuconostoc mesenteroides, and Weissella confusa. To clarify the immunological reaction to -Gal, four LAB strains with the highest -Gal content were further selected for in vivo research using a mouse model. While the amount of anti--Gal IgG was not significant, it was lower in comparison to that elicited by E. coli O86:B7, the level was not significant, according to the level elicited by E. coli O86:B7. The lactic acid bacteria in this study, as well as probiotic growth, have potential probiotic ability and can be further investigated in future -Gal-focused studies for both the prevention and diagnosis of various infectious diseases and probiotic development.

Source link: https://doi.org/10.1038/s41598-022-11632-8


Control of D-lactic acid content in P(LA-3HB) copolymer in the yeast Saccharomyces cerevisiae using a synthetic gene expression system

With the doxycycline concentration in the media, the synthetic Tet-On transcription factor with a VP16 activation domain was continuously expressed, and its binding to a synthetic promoter with eight transcription factor specific binding sites upstream of the ldhA gene was monitored. The rise in doxycycline concentration in the poly P copolymer correlated positively with ldhA expression, D-lactic acid manufacture, poly accumulation in vivo, and D-lactic acid content. In vivo in S. cerevisiae, we showed that the D-lactic acid content of the P copolymer can be adjusted linearly from 6 mol% to 93 mol%. In S. cerevisiae, the PHA synthase PhaC1437Ps6-19 produced P copolymers with lower D-lactic acid content but with higher molecular mass, relative to the PHA synthase PhaC1Pre.

Source link: https://doi.org/10.1016/j.mec.2022.e00199


Poly (ethylene-butylacrylate-glycidyl methacrylate) reaction compatibilized poly (lactic acid)/poly (3-hydroxybutyrate-4-hydroxybutyrate) blends with enhanced mechanical property, biodegradability and thermal stability

Poly as compatibilizer was created by one-step melt blending in a twin-screw extruder, compatibilized poly /poly blends with poly as compatibilizer. PLA/P promotes compatibility because of the epoxy group's reactive blending of epoxy groups in PTW and the carboxyl group or hydroxyl group. The introduction of PTW increases the initial thermal decomposition temperature of the P phase in the PLA/P blends and broadens the processable temperature range.

Source link: https://doi.org/10.1016/j.polymertesting.2022.107610


The ability to use sugars and sugar substitutes as prebiotics by Serbian autochthonous lactic acid bacteria

With the exceptions of Lactobacillus plantarum KGPMF62 and Lb, the results revealed that fructose and lactose promoted Lactobacillus strain growth. For lactose and mannitol, the lactose and mannitol strains were similar to dextrose on the growth of Lactococcus strains, but enterococcus strains' increased growth were observed, with higher growth rates of Enterococcus hirae KGPMF09, E. faecium KGPMF13, E. faecium KGPMF14, and E. fae.

Source link: https://doaj.org/article/ed931e26dcc04a0f8d111a0cc0c2908b

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions