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Irrigation using sewage water can be beneficial, as it can increase the productivity of crops but has negative consequences on crops, soil contamination, and human health. It contains a variety of toxins, such as chemicals and heavy metals, which damage the soil and crops. In this regard, the aim of the research was to assess the potential health hazards of iron (Fe) metal in food crops (leafy and root crops) treated with wastewater (T_1), canal water (T_2), and tube well water (T_3). Water, soil, and edible components of food crops were collected at random from three distinct locations. Fe concentration in samples was estimated using atomic absorption spectrophotometer, following wet digestion method. The Fe concentrations, ranged from 0.408 to 1.03 mg/l in water, 31.55 to 187.47 mgkg -1 in soil and 4.09 to 32.583 mgkg -1 in crop samples; which were within permissible limits of the World Health Organization (WHO). There was a positive correlation between soils and crops. The bioconcentration factor, enrichment factor (EF), daily intake of metals (DIM), health risk index (HRI), and target hazard quotient (THQ) all values were <1, except for a pollution load index >1, which indicated soil contamination, but there was no Fe toxicity in crops, no health risk, and no-carcinogenic risk for these food crops in humans. To prevent the excessive accumulation of Fe metal in the food chain, regular monitoring is needed.

Inhalable microparticle-based anti TB drug delivery systems are being investigated extensively for Tuberculosis [TB] treatment as they offer efficient and deep lung deposition with several advantages over conventional routes. It can reduce the drug dose, treatment duration and toxic effects and optimize the drug bioavailability. Yeast derived β-glucan is a β-[1–3/1–6] linked biocompatible polymer and used as carrier for various biomolecules. Due to presence of glucan chains, particulate glucans act as PAMP and thereby gets internalized via receptor mediated phagocytosis by the macrophages. In this study, β-glucan microparticles were prepared by adding l-leucine as excipient, and exhibited 70% drug [Rifabutin] loading efficiency. Further, the sizing and SEM data of particles revealed a size of 2–4 µm with spherical dimensions. The FTIR and HPLC data confirmed the β-glucan composition and drug encapsulations efficiency of the particles. The mass median aerodynamic diameter [MMAD] and geometric standard deviation [GSD] data indicated that these particles are inhalable in nature and have better thermal stability as per DSC thermogram. These particles were found to be non-toxic upto a concentration of 80 µg/ml and were found to be readily phagocytosed by human macrophage cells in-vitro as well as in-vivo by lung alveolar macrophage. This study provides a framework for future design of inhalable β-glucan particle based host-directed drug delivery system against pulmonary TB.

Purpose The purpose of this paper is to appraise the influence and challenges of direct disinvestment or through foreign direct investment (FDI) in the Kingdom of Bhutan, particularly to identify the inflow of disinterment post pandemic and how it can be improved. Design/methodology/approach The authors investigated the influence of FDI on Bhutan’s economy by analyzing secondary published data by Asian Development Bank and government agencies of Bhutan. To find out the role FDI has played in the growth of the Bhutanese Economy. Findings The FDI is not playing a major role in the nation’s economy so far. However, its potential cannot be ignored as there is a need for foreign currency and expertise in the country. Furthermore, government policies are directly influencing the inflow of foreign exchange that affects the Bhutan’s economy. FDI has not increased considerably because of self-imposed restrictions blocking government policies. Research limitations/implications This research is based on the data collected from secondary sources, which could be considered as the main limitation of this study. The Himalayan kingdom is not much open to the outside world in terms of the publication and availability of the data. Researchers put their best effort in retrieving secondary data from authentic sources. Practical implications This research has direct implications from an institutional perspective on the government policies and procedures. This study throws light on the elements that might help in improving Bhutan’s economy, employment and productivity for an overall development of economy. Social implications Bhutan and similar countries need to understand the pros and cons of having FDIs. This study might help the government and the civil society to understand the trends FDI has triggered in the nation over last 30 years, and will help them to make appropriate policies and regulations dealing with foreign investments. Originality/value This paper underwrites the influence of disinvestment on Bhutan’s economy, which can revolutionize business, entrepreneurship and institutions. This research was conducted by analyzing secondary data released by authorized agencies, which indicated the lower inflow of foreign exchange and how to improve further.

Background:Technological advancements have revolutionized business operations, particularly in predicting market trends and growth. While Bitcoin (BTC) is not intended to replace traditional currency, its adoption in business practices is increasing. Concurrently, blockchain (Blch) technology facilitates secure and transparent information sharing. Blockchain’s decentralized database, especially for Bitcoin transactions, offers businesses valuable insights and opportunities in cryptocurrency exchanges.Method:This research explores the relevance of (Blch) technology in predicting Bitcoin's market price (MktP) and its business implications. Four critical success factors (CSFs) for predicting BTC's MktP were identified: Currency Statistics, BTC cycle indicators, Blockdetail, and Mining Information. These CSFs encompass 23 indicators, measured using data from secondary sources such as newspapers, Bitcoin companies in the US, social networking sites, and other web sources. The study employed a comprehensive analytical approach to assess how these indicators contribute to predicting BTC's MktP and impact business strategies.Results:The study demonstrates (Blch) technology’s effectiveness in predicting Bitcoin's MktP for businesses. By analyzing the identified CSFs and their indicators, the study elucidates how (Blch) works. The findings underscore blockchain’s significance as a tool for enhancing market prediction and strategic decision-making in the cryptocurrency landscape.Conclusion:This research highlights business implications. By identifying CSFs and leveraging diverse data sources, businesses can use blockchain-driven insights to navigate the cryptocurrency market, capitalize on opportunities, and mitigate BTC exchange risks. Future advancements in (Blch) technology promise to reshape market prediction and drive innovation in business practices.

Background Child growth is internationally recognized as an important indicator of nutritional status and health in populations. This study was aimed to compare age- and gender-specific height, weight and BMI percentiles and nutritional status relative to the international growth references among Pakistani school-aged children. Methods A population-based study was conducted with a multistage cluster sample of 1860 children aged five to twelve years in Lahore, Pakistan. Smoothed height, weight and BMI percentile curves were obtained and comparison was made with the World Health Organization 2007 (WHO) and United States' Centers for Disease Control and Prevention 2000 (USCDC) references. Over- and under-nutrition were defined according to the WHO and USCDC references, and the International Obesity Task Force (IOTF) cut-offs. Simple descriptive statistics were used and statistical significance was considered at P < 0.05. Results Height, weight and BMI percentiles increased with age among both boys and girls, and both had approximately the same height and a lower weight and BMI as compared to the WHO and USCDC references. Mean differences from zero for height-, weight- and BMI-for-age z score values relative to the WHO and USCDC references were significant (P < 0.001). Means of height-for-age (present study: 0.00, WHO: -0.19, USCDC: -0.24), weight-for-age (present study: 0.00, WHO: -0.22, USCDC: -0.48) and BMI-for-age (present study: 0.00, WHO: -0.32, USCDC: -0.53) z score values relative to the WHO reference were closer to zero and the present study as compared to the USCDC reference. Mean differences between weight-for-age (0.19, 95% CI 0.10-0.30) and BMI-for-age (0.21, 95% CI 0.11-0.30) z scores relative to the WHO and USCDC references were significant. Over-nutrition estimates were higher (P < 0.001) by the WHO reference as compared to the USCDC reference (17% vs. 15% overweight and 7.5% vs. 4% obesity) while underweight and thinness/wasting were lower (P < 0.001) by the WHO reference as compared to the USCDC reference (7% vs. 12% underweight and 10% vs. 13% thinness). Significantly lower overweight (8%) and obesity (5%) prevalence and higher thinness grade one prevalence (19%) was seen with use of the IOTF cut-offs as compared to the WHO and USCDC references. Mean difference between height-for-age z scores and difference in stunting prevalence relative to the WHO and USCDC references was not significant. Conclusion Pakistani school-aged children significantly differed from the WHO and USCDC references. However, z score means relative to the WHO reference were closer to zero and the present study as compared to the USCDC reference. Overweight and obesity were significantly higher while underweight and thinness/wasting were significantly lower relative to the WHO reference as compared to the USCDC reference and the IOTF cut-offs. New growth charts for Pakistani children based on a nationally representative sample should be developed. Nevertheless, shifting to use of the 2007 WHO child growth reference might have important implications for child health programs and primary care pediatric clinics.

Background Childhood obesity is becoming an equally challenging, yet under-recognized, problem in developing countries including Pakistan. Children and adolescents are worst affected with an estimated 10% of the world's school-going children being overweight and one quarter of these being obese. The study aimed to assess prevalence and socioeconomic correlates of overweight and obesity, and trend in prevalence statistics, among Pakistani primary school children. Methods A population-based cross-sectional study was conducted with a representative multistage cluster sample of 1860 children aged 5-12 years in Lahore, Pakistan. Overweight (> + 1SD) and obesity (> + 2SD) were defined using the World Health Organization child growth reference 2007. Chi-square test was used as the test of trend. Linear regression was used to examine the predictive power of independent variables in relation to BMI. Logistic regression was used to quantify the independent predictors for overweight and adjusted odds ratios (aOR) with 95% confidence intervals (CI) were obtained. All regression analyses were controlled for age and gender and statistical significance was considered at P < 0.05. Results Seventeen percent (95% CI 15.4-18.8) children were overweight and 7.5% (95% CI 6.5-8.7) were obese. Higher prevalence of obesity was observed among boys than girls (P = 0.028), however, there was no gender disparity in overweight prevalence. Prevalence of overweight showed a significantly increasing trend with grade (P < 0.001). Children living in the urban area with high socioeconomic status (SES) were significantly at risk for being overweight and obese (both P < 0.001) as compared to children living in the urban area with lower SES and rural children. Being in higher grade (aOR 2.39, 95% CI 1.17-4.90) and living in the urban area with higher SES (aOR 18.10, 95% CI 10.24-32.00) independently predicted the risk of being overweight. Conclusion Alarmingly rapid rise in overweight and obesity among Pakistani primary school children was observed, especially among the affluent urban population. The findings support the urgent need for National preventive strategy for childhood obesity and targeted interventions tailored to local circumstances with meaningful involvement of communities.

Purpose: Vertical Farming (VF) is a technique of growing food in vertically stacked layers or vertically inclined surfaces. Theoretically, it has the capability of growing any crops, fruits, or vegetables. The modern techniques of vertical farming through a controlled environment can support the growth and harvest of a crop irrespective of the season and climatic conditions. The newer modern techniques of VF have further reduced the dependency on sunlight, soil, and water. This paper analyses the appropriateness of vertical farming for developing countries like Oman. Design/Methodology/Approach: This paper is based on secondary data and establishes the arguments in favor and against vertical farming. Findings: The findings support the need for vertical farming and suggest that it is very appropriate for the urban setups, where it reduces the transportation cost and facilitates the availability of fresh and pesticide-less food products. Research Limitations: The major limitation of this paper is that it only accounts the secondary information, the empirical investigation is missing. Managerial Implications: This paper implies government policies, allied agencies, and the agricultural sector. Originality/Value: This paper is an original paper based on secondary data, providing a conceptual model for Oman, on which very limited studies in the given context is available.

Bio-concentration of elements such as Mo, As, Se, Fe, Cu, Zn, Ni and Pb was analyzed in spring onion ( Allium fistulosum L.) in three different locations of central Punjab, Pakistan. At location GW, relatively low level of hazardous elements was found in spring onion, suggesting that groundwater is a safe source of water for irrigating food crops. The pH of soil at wastewater irrigation was found less acidic (pH 7.4) than the other sites. The range of concentration in the different samples of spring onion was as follows: 6.15–8.16 mg kg −1 for Mo, 2.77–4.28 mg kg −1 for As, 0.395–0.705 mg kg −1 for Se, 36.73–48.17 mg kg −1 for Fe, 10.58–16.26 mg kg −1 for Cu, 28.87–39.79 mg kg −1 for Zn, 6.66–8.75 mg kg −1 for Ni and 4.33–6.09 mg kg −1 for Pb, respectively. High bio-concentration of Zn (15.37) from soil to spring onion was found at canal water irrigated location. The estimated daily intake of metal for spring onion was less, but the health risk index was higher than 1 for Mo, As, Cu, Pb and Ni, respectively. This was due to higher proportion of spring onion in diet, which consequently increased the health risk index for metals. Therefore, it is recommended to avoid growing vegetables in untreated urban and rural wastewater containing elevated amounts of metals.

Background The success of the Global Polio Eradication Initiative was remarkable, but four countries - Afghanistan, Pakistan, India and Nigeria - never interrupted polio transmission. Pakistan reportedly achieved all milestones except interrupting virus transmission. The aim of the study was to establish valid and reliable estimate for: routine oral polio vaccine (OPV) coverage, logistics management and the quality of monitoring systems in health facilities, NIDs OPV coverage, the quality of NIDs service delivery in static centers and mobile teams, and to ultimately provide scientific evidence for tailoring future interventions. Methods A cross-sectional study using lot quality assessment sampling was conducted in the District Nankana Sahib of Pakistan's Punjab province. Twenty primary health centers and their catchment areas were selected randomly as 'lots' . The study involved the evaluation of 1080 children aged 12-23 months for routine OPV coverage, 20 health centers for logistics management and quality of monitoring systems, 420 households for NIDs OPV coverage, 20 static centers and 20 mobile teams for quality of NIDs service delivery. Study instruments were designed according to WHO guidelines. Results Five out of twenty lots were rejected for unacceptably low routine immunization coverage. The validity of coverage was questionable to extent that all lots were rejected. Among the 54.1% who were able to present immunization cards, only 74.0% had valid immunization. Routine coverage was significantly associated with card availability and socioeconomic factors. The main reasons for routine immunization failure were absence of a vaccinator and unawareness of need for immunization. Health workers (96.9%) were a major source of information. All of the 20 lots were rejected for poor compliance in logistics management and quality of monitoring systems. Mean compliance score and compliance percentage for logistics management were 5.4 ± 2.0 (scale 0-9) and 59.4% while those for quality of monitoring systems were 3.3 ± 1.2 (scale 0-6) and 54.2%. The 15 out of 20 lots were rejected for unacceptably low NIDs coverage by finger-mark. All of the 20 lots were rejected for poor NIDs service delivery (mean compliance score = 11.7 ± 2.1 [scale 0-16]; compliance percentage = 72.8%). Conclusion Low coverage, both routine and during NIDs, and poor quality of logistics management, monitoring systems and NIDs service delivery were highlighted as major constraints in polio eradication and these should be considered in prioritizing future strategies.

Background There is no data on diet- and activity-related behaviors associated with overweight and obesity among Pakistani school-aged children. The study aimed to explore dietary behaviors, physical activity and sedentary lifestyle associated with overweight and obesity, and their socio-demographic correlates, among Pakistani primary school children. Methods A population-based cross-sectional study was conducted with a representative multistage random cluster sample of 1860 children aged five to twelve years in Lahore, Pakistan. Overweight (> +1 SD) and obesity (> +2 SD) were defined using the World Health Organization reference 2007. Chi-square test was used as the test of trend. Linear regression was used to examine the predictive power of independent variables in relation to body mass index (BMI). Logistic regression was used to quantify the independent predictors and adjusted odds ratios (aOR) with 95% confidence intervals (CI) were obtained. Statistical significance was considered at P < 0.05. Results Children skipping breakfast (8%), eating fast food and snacks ≥ once a week (43%) and being involved in sedentary lifestyle > one hour a day (49%) were significantly more likely to be overweight and obese while those participating in physical activity > twice a week (53%) were significantly less likely to be overweight and obese (all P < 0.01). Skipping breakfast (P < 0.001), eating fast food and snacks (P = 0.001) and sedentary lifestyle (P < 0.001) showed an independent positive association with BMI while physical activity showed an independent inverse association (P = 0.001). Skipping breakfast (aOR 1.82, 95% CI 1.22-2.71), eating fast food and snacks ≥ once a week (OR 1.41, 95% CI 1.07-1.86), physical activity > twice a week (aOR 0.49, 95% CI 0.34-0.70) and sedentary lifestyle > one hour a day (aOR 1.56, 95% CI 1.19-2.03) were independent predictors of being overweight. Skipping breakfast had independent inverse association with physical activity (aOR 0.63, 95% CI 0.45-0.89) and eating fast food and snacks had independent positive association with sedentary lifestyle (aOR 1.79, 95% CI 1.49-2.16). Female gender was independently associated with skipping breakfast (aOR 1.50, 95% CI 1.04-2.16). Male gender (aOR 1.64, 95% CI 1.33-2.02), urban area with high SES (aOR 5.09, 95% CI 3.02-8.60) and higher parental education (aOR 1.74, 95% CI 1.12-2.68) were significant independent predictors of eating fast food and snacks ≥ once a week. Living in the rural area was independently associated (aOR 2.51, 95% CI 1.71-3.68) with physical activity > twice a week. Male gender (aOR 1.60, 95% CI 1.31-1.95), urban area with low SES (aOR 1.46, 95% CI 1.02-2.09), high-income neighborhoods (aOR 1.52, 95% CI 1.02-2.25), higher parental education (aOR 1.55, 95% CI 1.03-2.34) and fewer siblings (aOR 1.38, 95% CI 1.10-1.73) were independent predictors of sedentary lifestyle > one hour a day. Conclusions Dietary behaviors, physical activity and sedentary lifestyle are independent predictors of overweight and higher BMI among Pakistani primary school children, and are significantly affected by the child's socio-demographic characteristics. These findings support the urgent need to develop a National strategy for diet and physical activity and to implement culturally relevant behavioral interventions in the resource-poor developing country settings.