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Topic Review
COVID-19 Effect on Supply Chains
The COVID-19 pandemic has generated disruptions in supply chains, traveling, businesses, and a loss of human lives that is being accounted for at least five million diseased. When the pandemic started, uncertainties, the lockdown of countries, and stay-at-home orders generated that millions of people made runs to grocery stores to buy essential products, the most distinctive being hygiene tissue, antibacterial formulations, and hand sanitizers. Then workers in essential processes in the medical, food, and manufacturing industries had to restart work to keep supply chains running. That generated further repercussions due to the infection of workers in multiple facilities, which created more considerable uncertainties. Universities and schools were mandated to close, and work-from-home orders were enacted in most sectors. In this entry, a summary of the essential factors, current situation, and future perspective regarding the effect generated by COVID-19 on the disruptions of supply chains is presented. The strategic sectors summarized are food and produce, transportation, paper products, chemicals and pharmaceuticals, medical supplies, automobiles, minerals and technology companies. At two years since the WHO declaration, there are still shockwaves that show some unpredictability. Hence, companies and governments should look for strategical plans for preparing for this kind of event, making supply chains resilient or even immune to pandemics, natural disasters and trade wars.
  • 1.4K
  • 22 Jan 2022
Topic Review
Unmanned Aerial Vehicles
Unmanned Aerial Vehicles (UAVs), commonly called “drones”, are a class of aircraft that can fly without the onboard presence of pilots.  They vary in type (e.g. fixed wing vs. multi-rotor) and size (from a few grams to hundreds of kilograms).  These vehicles are intended for a variety of applications, including transport and logistics, monitoring and surveillance, and media and telecommunications.
  • 1.4K
  • 04 Feb 2021
Topic Review
Human Power Production and Energy-harvesting
The maximal mechanical power produced by man, especially by large groups of people practicing sport or intense physical activity, has been proposed to be used for charge small electronic device or to partially sustain the power requirement of a gym. This practice can help to reduce carbon emissions.
  • 1.4K
  • 28 Sep 2021
Topic Review
Hospital Foodservice to Improve Inpatients' Food Intakes
Reduced food intake among hospitalized patients or inpatients is often associated with adverse health consequences such as malnutrition. To improve patients’ food intake, satisfaction, nutritional status, and quality of life, five intervention strategies were identified: implementing a new food service system, menu modification, multidisciplinary approaches in nutrition care, protected mealtime intervention programs, and attractive meal presentation.
  • 1.4K
  • 22 Nov 2021
Topic Review
Effects of Alcohol Withdrawal in Hypertension
Alcoholic beverages are common components of diets worldwide and understanding their effects on humans’ health is crucial. Because hypertension is the leading risk factor for cardiovascular diseases and all-cause mortality. Two different clinical conditions can result from the interruption of alcohol consumption. In heavy alcohol drinkers, abrupt interruption of alcohol intake might result in an alcohol withdrawal syndrome (AWS), with a critical condition that might require hospitalization. Alternatively, chronic reduction/interruption of alcohol intake could be part of the lifestyle changes that are recommended for the achievement of better blood pressure control in hypertensive patients.
  • 1.4K
  • 24 Feb 2023
Topic Review
Light and Health
Light is important for visual performance and safety, and also plays a vital role in regulating human physiological functions. Poor housing is an important determinant of poor health. One key aspect of housing quality is lighting.
  • 1.4K
  • 16 Feb 2021
Topic Review
Determination of Steroids by High Performance Liquid Chromatography-Fluorescence
Steroids are compounds widely available in nature and synthesized for therapeutic and medical purposes. Although several analytical techniques are available for the quantification of steroids in clinical samples, their analysis is challenging due to their low levels and complex matrices. The efficiency and quick separation of the high performance liquid chromatography (HPLC) combined with the sensitivity, selectivity, simplicity, and cost-efficiency of fluorescence, make HPLC coupled to fluorescence detection (HPLC-FLD) an ideal tool for routine measurement and detection of steroids for clinical and medical applications.
  • 1.3K
  • 11 Apr 2022
Topic Review
Post-SARS-CoV-2 Acute Telogen Effluvium
Telogen effluvium (TE) is a scalp disorder characterized by diffuse, non-scarring hair shedding. The term “telogen effluvium” was proposed to differentiate the disorder from the excessive shedding of normal club hair. It affects both males and females, with a higher incidence rate in females. Various hypotheses have been proposed for the pathophysiology of TE, based on abnormalities in the normal hair cycle, triggered by different factors. 
  • 1.3K
  • 08 Mar 2022
Topic Review
L-Citrulline
L-citrulline (CIT) is an organic compound and a non-essential amino acid, and the body can synthesize it endogenously. Diet is a poor source of CIT and endogenous synthesis the its main source in the body. Watermelon is the principal source of that amino acid in the diet; the name citrulline comes from Citrullus lanatus (Thunb.), the scientific name for watermelon. CIT concentration in watermelon depends on the type of cultivir and usually ranges between 0.7 and 3.6 g/kg of fresh weight. CIT is present in both the flesh and in the ring.
  • 1.3K
  • 06 May 2021
Topic Review
Patient-Centered Care for Depression Patients
People have specific and unique individual and contextual characteristics, so healthcare should increasingly opt for person-centered care models. Care planning focused on people with depression and/or anxiety disorder must be individualized, dynamic, flexible, and participatory. It must respond to the specific needs of the person, contemplating the identification of problems, the establishment of individual objectives, shared decision making, information and education, systematic feedback, and case management, and it should meet the patient’s preferences and satisfaction with care and involve the family and therapeutic management in care.
  • 1.3K
  • 18 Aug 2021
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