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Related Concept Videos

Self-Help Support Groups01:28

Self-Help Support Groups

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Self-help support groups are voluntary, community-based organizations that provide a platform for individuals with shared concerns to exchange support, insights, and practical strategies for coping with life challenges. Typically led by group members or paraprofessionals, these groups form a cornerstone of mental health care, especially in reaching populations that are underserved by traditional healthcare systems.
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One of the primary strengths of self-help...
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Support Reactions01:30

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A coplanar force system refers to a set of forces that all lie in the same plane and are subject to different reactions between the point of contact and the supports. Understanding how different types of supports affect coplanar forces is crucial for designing safe and reliable structures that can withstand external loads.
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Physiological Barriers

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Physiological barriers are semi-permeable cellular structures restricting drug diffusion into intracellular compartments and tissues. There are six types of physiological barriers: blood endothelial, cell membrane, blood-brain, blood-cerebrospinal fluid (CSF), blood-placenta, and blood-testis barriers.
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Support reactions in three dimensions help maintain the stability and equilibrium of various structures and systems. These reactions prevent the system from translating and rotating, ensuring the design can withstand external forces and perform its intended function efficiently and safely. Some of the supports providing support reactions in three dimensions are discussed below:
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Physical and Chemical Properties of Matter

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The characteristics that enable us to distinguish one substance from another are called properties.
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Properties of Transition Metals

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Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
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Related Experiment Video

Updated: Feb 11, 2026

In Vitro Permeation of FITC-loaded Ferritins Across a Rat Blood-brain Barrier: a Model to Study the Delivery of Nanoformulated Molecules
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Lotus-Leaf-Extract-Based Nanoformulation for Sensitive Skin: Whitening and Barrier-Supporting Properties.

Haiyan Ju1, Mengyue Zhu1, Panpan Du1

  • 1School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Biomass Fibers and Eco-dyeing and Finishing, Wuhan Textile University, Wuhan 430200 Hubei, China.

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|February 9, 2026
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Summary

A new lotus leaf nanoformulation offers gentle care for sensitive skin, providing whitening, moisturizing, and barrier repair. This dual-action product demonstrates stability and antioxidant properties for improved skin health.

Keywords:
antioxidant activitybiocompatibilitynanocarrier deliverynatural extractssensitive skin care

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Area of Science:

  • Cosmetic Science
  • Dermatology
  • Materials Science

Background:

  • Sensitive skin is a widespread concern exacerbated by environmental factors.
  • Daily skincare requires gentle yet effective formulations.
  • Lotus leaf extract offers potential therapeutic benefits for skin.

Purpose of the Study:

  • To develop and evaluate a lotus leaf extract nanoformulation for sensitive skin.
  • To integrate whitening, barrier restoration, and moisturizing properties.
  • To assess the formulation's stability, safety, and efficacy.

Main Methods:

  • Characterization of the oil-in-water (O/W) emulsion structure.
  • Rheological and stability testing under various conditions.
  • Functional assessments including antioxidant activity, moisturization, and UV absorbance.
  • Safety profiling via pH, antimicrobial tests, and hen's egg test-chorioallantoic membrane (CAM) assays.

Main Results:

  • The formulation was confirmed as a stable O/W emulsion with pseudoplastic behavior for rapid absorption.
  • Demonstrated significant antioxidant activity (71.01% DPPH scavenging) and sustained moisturization (65.23% retention).
  • Exhibited broad-spectrum UV absorbance and favorable safety profile with mild irritation (ES score 3.0).

Conclusions:

  • The lotus leaf extract nanoformulation is a promising dual-action therapeutic for sensitive skin.
  • It effectively combines whitening, barrier repair, and moisturizing effects.
  • The formulation's stability and safety support its potential for daily skincare applications.