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Kappaphycus alvarezii seaweed extract (KSWE) is known to enhance crop productivity and impart stress tolerance. Close to one quarter of foliar spray applied to maize falls on the soil, either as drift or from leaf as drip. It was hypothesized that the drift spray would profoundly influence soil microbes under stress. An experiment was conducted with five treatments, with or without KSWE application at critical stages of maize grown under soil moisture stress and compared with an irrigated control. An Illumina platform was employed for the analysis of the V3–V4 region of 16S rRNA gene from the soil metagenome. A total of 345,552 operational taxonomic units were generated which were classified into 55 phyla, 152 classes, 240 orders, 305 families and 593 genera. Shannon’s index and Shannon’s equitability indicated increased soil bacterial diversity after multiple KSWE applications under conditions of abiotic duress. The abundance of the genera Alicyclobacillus, Anaerolinea, Bacillus, Balneimonas, Nitrospira, Rubrobacter and Steroidobacter decreased (49–79%) under drought imposed at the V5,10 and 15 stages of maize over the irrigated control, while it significantly improved when followed by KSWE application under drought. Flavobacterium, Nitrosomonas, Nitrosovibrio, Rubrobacter genera and several other bacterial taxa which are important for plant growth promotion and nutrient cycling were found to be enriched by KSWE application under drought conditions. Treatments having enriched microbial abundance due to KSWE application under stress recorded higher soil enzymatic activities and plant cob yield, suggesting the contribution of altered soil ecology mediated by KSWE as one of the reasons for improvement of yield.

This study demonstrated a one-pot process for the preparation of seaweed-based antibacterial foot care gel for the removal of odor. Foot gel comprised 97.5% water, 1.2% seaweed polymer, 0.2% bioactive molecule, and 1.1% preservative. The antibacterial efficiency of foot gel was tested against 14 bacterial strains, isolated from foot swab samples from five different healthy volunteers having foul foot odor. The 16S rRNA partial gene sequencing identification revealed all 14 bacterial strains were different Bacillus species. Foot gel was characterized using FTIR, Rheology, TGA, and gelling properties. The volunteer's feet were treated with just two drops (around 200 L) of foot care gel before wearing socks, which showed restriction in the growth of bacterial strains causing a foul odor within a few hours, therefore resulting in restrained the foul foot odor. Furthermore, the volunteer’s remarks about feeling freshness, coolness, dryness, and smooth feet after applying the foot gel were very encouraging. The shelf life of foot gel was monitored for up to six months and during that time, no significant change in rheological characteristics and antibacterial efficiency was observed. Foot gel was compared with commercially available foot care products and foul odor removal efficiency was found identical in both. Results of this study showed that the odor-removing efficacy of developed foot gel was found better than other commercial products. Graphical abstract Schematic representation of the preparation of antibacterial foot care gel and its efficacy

Hands are in fact the main route of transmission of pathogenic infections. By using proper hand sanitization, we can break the virus’s transmission chain, which is especially important in the ongoing COVID pandemic outbreaks. The effectiveness of hand sanitization is solely dependent on the use of sufficient antibacterial agents, which come in a variety of levels and types, including antimicrobials commercial, water-based, or alcohol-based hand sanitizer, the latter being widely used during pandemics. Therefore, the sudden overuse of sanitizers also could lead to an increase in the tolerance limit for normal hand flora and the new development of antimicrobial resistance (AMR). In this study, we investigated the relationship between hand sanitizer-tolerant bacteria and their antibiotic resistance profile to multiple antibiotic agents. On a timely basis before and after using different hand sanitizers, bacterial strains were collected from the volunteers of CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI). Sanitizer tolerant bacterial strains were observed also just after the application of sanitizers, which also showed the AMR phenomenon. The resultant sanitizers’ resistant microbiome showed the dominant presence of Bacillus sp., Staphyloccocus sp., Paenibacillus sp., Lysinibacillus sp., Exiguobacterium sp. and Leclercia sp. All 36 nos of bacterial strains showed MDR (> 5 nos).

Chitosan is in prominence as membrane materials. The present study based on chitosan–tannic acid crosslinked moiety on polyacrylonitrile support membranes. FTIR-ATR, zeta potential, XRD, SEM, AFM, TGA, DSC and contact angle are used to understand the characters of the membranes. The separation performances of salts (NaCl, Na 2 SO 4 ) proved that membranes are associated with charged nanofiltration separation behaviour. Memb-III has reached a maximum difference in salt separation performance (Na 2 SO 4 90.88% and NaCl 35.76%) at ~ 134.4 Lm −2  h −1 compared to Memb-I and II. The membrane performances are marked with organic molecule markers (e.g. glucose and sucrose). The separation of molecular markers shows its direct relationship with its molecular size. The pH-dependent studies show that separation of riboflavin increases at pH 9 compared to separation at pH 7, whereas the reverse happens for flux. Memb-III shows a maximum 84.1% riboflavin separation having flux 55.82 Lm −2  h −1 at pH 9. The study with bacteria (viz. E. coli, Bacillus subtilis ) also proves that the surface is antibacterial. Graphic abstract

Objective This study aims to compare the long‐term outcomes of Aquablation for small‐to‐moderate (30–80 cm3) prostates with the outcomes for large (80–150 cm3) prostates at 5‐year follow up. Methods The Waterjet Ablation Therapy for Endoscopic Resection of Prostate Tissue (WATER; NCT02505919) is a prospective, double‐blind, international clinical trial encompassing 116 patients, examining Aquablation versus transurethral resection of the prostate (TURP) for LUTS/BPH in prostates sized between 30 and 80 cm3. In parallel, WATER II (W‐II; NCT03123250), a prospective, multicentre, single‐arm international clinical trial, explores Aquablation outcomes in prostates ranging from 80 to 150 cm3. Baseline parameters and 60‐month outcomes were scrutinized using statistical analyses, including Students' t test, Wilcoxon tests for continuous variables, and Fisher's test for binary variables. Results There is a significant improvement in International Prostate Symptom Score (IPSS) from baseline to 60 months in both WATER (22.9 to 7.0) and WATER II (23.2 to 6.8) (P = 0.852). Urinary flow rate (Qmax) increased in both groups from baseline to 60 months (WATER: 9.4 to 17.3 cc/s; WATER II: 8.7 to 17.1 cc/s) (P = 0.933). Immediate and sustained enhancements were observed in IPSS and Qmax. At 5 years, a notable percentage of patients in both groups were BPH medication‐free (WATER: 99%; WATER II: 94%) (P = 0.0517) and free from surgical retreatment (WATER: 95%; WATER II: 97%) (P = 0.508). Conclusions The 5‐year follow‐up affirms that Aquablation therapy exhibits sustained outcomes, minimal irreversible complications, and low retreatment rates for treating LUTS/BPH, irrespective of prostate volume ranging from 30 to 150 cm3.

PurposeAs benign prostatic hyperplasia (BPH) is an age-related process, growing interest in surgical management for elderly men has emerged. Recently, Aquablation was approved for treatment of BPH associated lower urinary tract symptoms (LUTS) and utilizes robotic ultrasound guided surgeon-controlled waterjet ablation. We assessed the differences in functional and surgical outcomes between elderly and young men undergoing Aquablation for BPH/LUTS.Materials and methodsWe retrospectively assessed prospectively collected data from the WATER I (NCT02505919) and WATER II (NCT03123250) clinical trials reporting safety and efficacy of Aquablation in the treatment of LUTS/BPH in men 45–80 years with a prostate between 30 and 80 cc, and 80 cc and 150 cc, respectively. Men ≥ 65 years were defined as elderly and men < 65 years as young.ResultsOf 217 patients included, 83 (38.2%) were young and 134 (61.8%) were elderly. Mean age (SD) was 59.3 (± 3.4) years and 71.2 (± 4.2) years for young and elderly men, respectively. At 3 years of follow-up compared to baseline, elderly men showed similar reductions in total IPSS (7.68 points vs 7.12 points, p > 0.05) and similar increases in Qmax (20.6 mL/s vs 19.3 mL/s, p > 0.05) compared to young men. The ejaculatory dysfunction rate was similar for both cohorts (12.0% vs 9.7%, p > 0.05). Elderly men experienced similar annual retreatment rates compared to young men (1.5% vs 0.8% p > 0.05).ConclusionsElderly men undergoing Aquablation have similar functional and surgical outcomes as young men. Elderly patient BPH surgical counseling should, therefore, consider Aquablation as a treatment option for LUTS/BPH.

Objective The objective of this study is to determine if Aquablation therapy can maintain its effectiveness in treating men with lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) with large‐volume (80–150 cc) prostates at 3 years. Subjects and Methods One hundred one men with moderate‐to‐severe BPH symptoms and prostate volumes between 80 and 150 cc were enrolled in a prospective, nonrandomized, multicenter, international clinical trial in late 2017. Baseline, procedural, and follow‐up parameters were recorded at baseline and scheduled postoperative visits. IPSS, Qmax, and treatment failure are reported at 3 years. Results The mean prostate volume was 107 cc (range 80–150). Mean IPSS improved from 23.2 at baseline to 6.5 at 3 years (16.3‐point improvement, p < 0.0001). Mean IPSS quality of life improved from 4.6 at baseline to 1.1 at 3 years (improvement of 3.4 points, p < 0.0001). Maximum urinary flow increased from 8.7 to 18.5 cc/s. At 3 year follow‐up, 6% of treated patients needed BPH medication and an additional 3% required surgical retreatment for LUTS. Conclusions Three‐year follow‐up demonstrates a sustained symptom reduction response along with low irreversible complications to Aquablation in men with LUTS due to BPH and prostates of 80–150 cc. Current treatment options available for men with prostates of this size have similar efficacy outcomes but are burdened with high rates of irreversible complications. There are now numerous clinical studies with Aquablation used in various prostates sizes, and it should be offered as an option to men with LUTS due to BPH.

This study aims to compare the long-term outcomes of Aquablation for small-to-moderate (30-80 cm ) prostates with the outcomes for large (80-150 cm ) prostates at 5-year follow up. The Waterjet Ablation Therapy for Endoscopic Resection of Prostate Tissue (WATER; NCT02505919) is a prospective, double-blind, international clinical trial encompassing 116 patients, examining Aquablation versus transurethral resection of the prostate (TURP) for LUTS/BPH in prostates sized between 30 and 80 cm . In parallel, WATER II (W-II; NCT03123250), a prospective, multicentre, single-arm international clinical trial, explores Aquablation outcomes in prostates ranging from 80 to 150 cm . Baseline parameters and 60-month outcomes were scrutinized using statistical analyses, including Students' test, Wilcoxon tests for continuous variables, and Fisher's test for binary variables. There is a significant improvement in International Prostate Symptom Score (IPSS) from baseline to 60 months in both WATER (22.9 to 7.0) and WATER II (23.2 to 6.8) (  = 0.852). Urinary flow rate (Qmax) increased in both groups from baseline to 60 months (WATER: 9.4 to 17.3 cc/s; WATER II: 8.7 to 17.1 cc/s) (  = 0.933). Immediate and sustained enhancements were observed in IPSS and Qmax. At 5 years, a notable percentage of patients in both groups were BPH medication-free (WATER: 99%; WATER II: 94%) (  = 0.0517) and free from surgical retreatment (WATER: 95%; WATER II: 97%) (  = 0.508). The 5-year follow-up affirms that Aquablation therapy exhibits sustained outcomes, minimal irreversible complications, and low retreatment rates for treating LUTS/BPH, irrespective of prostate volume ranging from 30 to 150 cm .

Background: The outcome indicator of nosocomial infection (NI) in the intensive care unit (ICU) is used to benchmark the quality of patient care in Malaysia. We conducted a three-year prospective study on the incidences of ventilator-associated pneumonia (VAP), risk factors, and patterns of the microorganisms isolated in three ICUs. Methodology: A follow-up in prospective cohort surveillance was conducted on patients admitted to an adult medical-surgical ICU of a university hospital and two governmental hospitals in Malaysia from October 2003 to December 2006. VAP was detected using CDC criteria which included clinical manifestation and confirmed endotracheal secretion culture results. Results: In total, 215 patients (2,306 patient-days) were enrolled into the study. The incidence of ICU-acquired device-related NI was 29.3 % (n = 63). The device-related VAP infection rate was 27.0 % (n = 58), with a mechanical ventilator utilization rate of 88.7%. The death rate due to all ICU-acquired NI including sepsis was 6.5%. The most common causative pathogen was Klebsiella pneumoniae (n = 27). Multivariate analysis using Cox regression showed that the risk factors identified were aspiration pneumonia (HR = 4.09; 95% CI = 1.24, 13.51; P = 0.021), cancer (HR = 2.51; 95% CI = 1.27, 4.97; P = 0.008), leucocytosis (HR=3.43; 95% CI= 1.60, 7.37; P=0.002) and duration of mechanical ventilation (HR=1.04; 95% CI = 1.00, 1.08; P = 0.030).  Age, gender and race were not identified as risk factors in the multivariable analysis performed. Conclusion: The incidence of VAP was comparable to that found in the National Nosocomial Infection Surveillance (NNIS) System report of June 1998. The incidence of VAP was considered high for the three hospitals studied.