ABSTRACT
Photosynthesis, as one of the most important chemical reactions, has powered our planet for over four billion years on a massive scale. This review summarizes and highlights the major contributions of Govindjee from fundamentals to applications in photosynthesis. His research included primary photochemistry measurements, in the picosecond time scale, in both Photosystem I and II and electron transport leading to NADP reduction, using two light reactions. He was the first to suggest the existence of P680, the reaction center of PSII, and to prove that it was not an artefact of Chlorophyll a fluorescence. For most photobiologists, Govindjee is best known for successfully exploiting Chlorophyll a fluorescence to understand the various steps in photosynthesis as well as to predict plant productivity. His contribution in resolving the controversy on minimum number of quanta in favor of 8-12 vs 3-4, needed for the evolution of one molecule of oxygen, is a milestone in the area of photosynthesis research. Furthermore, together with Don DeVault, he is the first to provide the correct theory of thermoluminescence in photosynthetic systems. His research productivity is very high: ~ 600 published articles and total citations above 27,000 with an h-index of 82. He is a recipient of numerous awards and honors including a 2022: Lifetime Achievement Award of the International Society of Photosynthesis Research. We hope that the retrospective of Govindjee described in this work will inspire and stimulate the readers to continue probing the photosynthetic apparatuses with new discoveries and breakthroughs.
ABSTRACT
BACKGROUND: There are limited studies on barriers to seeking treatment for Alcohol Use Disorders (AUD) among males in tertiary care centers in India and abroad. Identification of these factors can aid in addressing the barriers to seeking treatment for AUD in low-and-middle-income countries. OBJECTIVE: To investigate the barriers to seeking treatment for AUD among males in a tertiary care center in South India. METHODS: The study design was cross-sectional. We employed a semi-structured interview proforma, Barriers Questionnaire (Alcohol), and assessed the age of onset of initiation of alcohol, problem drinking, and AUD. RESULTS: The majority (73.3%) belonged to Low-Barrier group. Individual items such as "Denial of Alcoholism", "avoid others counseling", "don't like to talk in groups", "Worried about what others will think for taking help or made fun of by others", "Self or Family embarrassed of taking treatment", "cannot afford treatment due to various reasons", "Fear of losing job", "Fear of losing friends" and "Fear of seeing people" were significantly higher in High-Barrier group. CONCLUSIONS: Our study has helped to identify some of the important impediments. Psychoeducation and reducing the stereotypes related to the treatment of AUD can increase trust in the treatment process, resulting in greater help-seeking, early intervention, and improved quality of life.
ABSTRACT
More than 2 billion people worldwide suffer from micronutrient malnutrition, sometimes known as hidden hunger. Zn malnutrition affects around a third of the world's population. The physicochemical features of soil, which limit the availability of Zn to plants, cause Zn deficiency. The eating habits of certain populations are more depended on Zn-deficient staple foods. Due to the high expense and certain interventions such as diet diversification, zinc supplementation and food fortification cannot be achieved in disadvantaged populations. Biofortification is the most practical technique for alleviating Zn malnutrition. Seed priming with nutrients is a promising biofortification approach for edible crops. Seed nutripriming with zinc is a cost-effective and environmentally benign approach of biofortification. Seeds can be nutriprimed with Zn using a variety of methods such as Zn fertilisers, Zn chelated compounds and Zn nanoparticles. Nutripriming with nanoparticles is gaining popularity these days due to its numerous advantages and vast biofortification potential. Seeds enriched with Zn also aid plant performance in Zn-deficient soil. Zn an essential trace element can regulate physiological, biochemical and molecular processes of plant cells and thus can enhance germination, growth, yield and bioavailable Zn in edible crops. Moreover, zinc emerges as an important element of choice for the management of COVID-19 symptoms.
