Results 131 to 140 of about 869,317 (265)

Peptide Thioester and Triazole Derivatives Through On‐Resin Dual‐Modification of Peptide Thiosulfonates

open access: yesAngewandte Chemie International Edition, EarlyView.
An on‐resin dual‐modification strategy for peptides is presented, comprising S‐alkynylation of peptide thiosulfonates and regioselective iridium‐catalyzed azide–thioalkyne cycloaddition. This method reliably provides access to peptides with intricate non‐canonical modifications, being compatible with complex peptides, alkynes and azides.
Marius Werner   +5 more
wiley   +1 more source

Prevalence of goitre and urinary iodine status of primary-school children in Lesotho

open access: yesBulletin of the World Health Organization, 2003
OBJECTIVE: To estimate the prevalence of goitre, urinary iodine status, coverage of supplementation of iodized oil capsules, and current use of iodized salt in children in Lesotho.
Sebotsa Masekonyela Linono Damane   +3 more
doaj  

Degradation Mechanisms, Encapsulation‐Based Stabilization, and Analytical Detection of Vitamin A

open access: yesJournal of the American Oil Chemists' Society, EarlyView.
ABSTRACT Vitamin A is an important lipid‐soluble micronutrient essential for vision, immune function, and overall growth and development. However, vitamin A is unstable and susceptible to environmental factors because of its conjugated structure and inherent chemical reactivity.
Latheesha Abeywardana   +5 more
wiley   +1 more source

Tracking progress toward elimination of iodine deficiency disorders in Jharkhand, India

open access: yesIndian Journal of Community Medicine, 2008
Research question: What is the current status of Iodine Deficiency Disorders (IDD) in the state of Jharkhand? Objectives: (1) To determine the status of iodine deficiency in the state.
Patro Binod   +5 more
doaj  

“Dead Lithium” Formation and Mitigation Strategies in Anode‐Free Li‐Metal Batteries

open access: yesBatteries &Supercaps, Volume 8, Issue 3, March 2025.
Anode‐free lithium metal batteries, though promising due to their high energy density, face challenges from dead lithium formation. “Dead lithium”, disconnected from the anode, causes capacity loss, increased resistance, and safety risks. This review explores the origins of dead lithium, its impact on battery performance, and potential strategies for ...
Mozaffar Abdollahifar, Andrea Paolella
wiley   +1 more source

1D/3D Heterojunction for High‐Efficiency Hole‐Transport Layer‐Free Carbon‐Based Wide‐Bandgap Perovskite Solar Cells

open access: yesCarbon Energy, EarlyView.
By modifying wide‐bandgap high‐Cs perovskite surfaces with quaternary ammonium salts of varying alkyl‐chain lengths, tetrapropylammonium bromide (TPABr) is shown to successfully construct a 1D/3D heterojunction. This structure effectively passivates interface defects and optimizes energy level alignment, achieving a champion efficiency of 20.14% with ...
Lingcong Li   +9 more
wiley   +1 more source

Determination of the Rate Constant on the Decrease of Iodate Content in Iodized Salt

open access: yesJurnal Teknologi dan Industri Pangan, 2010
Potassium iodate used as the source of iodine can be decomposed to become the other species i.e. iodide and iodine during processing and storage. The objective of this research was determination of the rate constant on the decrease of iodate content in ...
Wisnu Cahyadi
doaj  

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