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GlossaryHydrogen Ion Concentration

measures acidity or alkalinity of a solution

Hydrogen Ion Concentration, often referred to as H+ concentration, measures the number of hydrogen ions present in a solution. It is a critical factor in determining the acidity or alkalinity of a substance, commonly expressed as pH. A higher H+ concentration indicates a more acidic solution, while a lower concentration indicates a more basic or alkaline solution. This concept is essential in various fields, including chemistry, biology, and medicine, as it affects biochemical reactions and processes.

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research Testosterone enhances expression and functional activity of epithelial sodium channel (ENaC), cystic fibrosis transmembrane regulator (CFTR) and sodium hydrogen exchanger (NHE) in vas deferens of sex-steroid deficient male rats

6 citations , July 2018 in “Steroids”

Testosterone changes how certain channels work in male rat reproductive tracts, affecting fertility-related fluid balance.

research The Application of Radiochemical Techniques to the Study of the Interaction of Hair Fibers with Aqueous Solutions

14 citations , September 1954 in “Textile Research Journal”

Hair absorbs different substances from solutions based on pH levels.

research Role of calcium and other ions in directing root hair tip growth

January 1995

Calcium and hydrogen ions help root hair growth, while aluminum inhibits it.

research Dual-continuous microneedle patch integrating transdermal delivery of pH-sensitive licorzinc MOFs and Zn2+ hydrogel sensors for treating alopecia areata

22 citations , September 2024 in “Chemical Engineering Journal”

A new microneedle patch effectively and safely treats alopecia areata.

research Zinc Peroxide-Mediated In Situ Forming Hydrogels for Endogenous Tissue Regeneration

January 2025 in “Biomaterials Research”

The new zinc peroxide hydrogel speeds up wound healing and tissue regeneration effectively.

research Recent studies on the delivery of hydrophilic drugs in nanoparticulate systems

47 citations , September 2015 in “Journal of Drug Delivery Science and Technology”

Nanoparticulate systems improve drug delivery by controlling release, protecting drugs, changing absorption and distribution, and concentrating drugs in targeted areas.

research Human hair keratin gradient metallogel and their applications for wound healing

January 2024

The research developed a human hair keratin and silver ion hydrogel that could help heal wounds.

research Simultaneous RP-HPLC-DAD determination of dansyl amino acids in chemically treated human hair

4 citations , December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering”

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.

Polymeric Micelle Mediated Follicular Delivery of Spironolactone: Targeting the Mineralocorticoid Receptor to Prevent Glucocorticoid-Induced Activation and Delayed Cutaneous Wound Healing

research Polymeric micelle mediated follicular delivery of spironolactone: Targeting the mineralocorticoid receptor to prevent glucocorticoid-induced activation and delayed cutaneous wound healing

9 citations , June 2021 in “International Journal of Pharmaceutics”

Using polymeric micelles to deliver spironolactone topically could improve wound healing in skin affected by glucocorticoids.

research Regulation of Receptor Binding Specificity of FGF9 by an Autoinhibitory Homodimerization

24 citations , July 2017 in “Structure”

FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.

research A finasteride patch for the treatment of androgenetic alopecia: A study of promoting permeability strategy using synthetic novel O-acylmenthols combined with ion-pair

October 2024 in “International Journal of Pharmaceutics”

The finasteride patch effectively treats hair loss by enhancing skin absorption.

research The Use of Adipose-Derived Stem Cells in Selected Skin Diseases (Vitiligo, Alopecia, and Nonhealing Wounds)

19 citations , January 2017 in “Stem Cells International”

Adipose-derived stem cells show promise in treating skin conditions like vitiligo, alopecia, and nonhealing wounds.

Cheating on Forensic Hair Testing? Detection of Potential Biomarkers for Cosmetically Altered Hair Samples Using Untargeted Hair Metabolomics

research Cheating on forensic hair testing? Detection of potential biomarkers for cosmetically altered hair samples using untargeted hair metabolomics

12 citations , January 2020 in “Analyst”

Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.

research Quaternary ammonium iminofullerenes improve root growth of oxidative-stress maize through ASA-GSH cycle modulating redox homeostasis of roots and ROS-mediated root-hair elongation

24 citations , January 2022 in “Journal of Nanobiotechnology”

Quaternary ammonium iminofullerenes help maize roots grow better under stress by reducing oxidative damage.

research Protein-based functional hydrogel improves cutaneous nerve repair and diabetic wound healing

9 citations , December 2024 in “Nano Research”

A protein-based hydrogel helps heal diabetic wounds and repair nerves.

research Dietary isoflavone increases insulin-like growth factor-I production, thereby promoting hair growth in mice

29 citations , March 2011 in “The Journal of Nutritional Biochemistry”

Eating isoflavone can help mice grow hair by increasing a growth factor.

Poly(γ-Glutamic Acid)/Chitosan Hydrogel Nanoparticles for Effective Preservation and Delivery of Fermented Herbal Extract for Enlarging Hair Bulb and Enhancing Hair Growth

research
Poly(γ-Glutamic Acid)/Chitosan Hydrogel Nanoparticles For Effective Preservation And Delivery Of Fermented Herbal Extract For Enlarging Hair Bulb And Enhancing Hair Growth

22 citations , October 2019 in “International Journal of Nanomedicine”

The nanoparticles improved hair growth and enlarged hair bulbs.

research Injectable self-healing ceria-based nanocomposite hydrogel with ROS-scavenging activity for skin wound repair

26 citations , December 2021 in “Regenerative Biomaterials”

The hydrogel speeds up skin wound healing and helps regenerate tissue.

Multiple Crosslinked, Self-Healing, and Shape-Adaptable Hydrogel Laden with Pain-Relieving Chitosan@Borneol Nanoparticles for Infected Burn Wound Healing

research Multiple crosslinked, self-healing, and shape-adaptable hydrogel laden with pain-relieving chitosan@borneol nanoparticles for infected burn wound healing

37 citations , December 2024 in “Theranostics”

The hydrogel effectively treats infected burn wounds by reducing pain and preventing infection.

research Ion pairs of risedronate for transdermal delivery and enhanced permeation rate on hairless mouse skin

34 citations , July 2011 in “International journal of pharmaceutics”

Ion-paired risedronate significantly increases skin penetration without irritation compared to risedronate alone.

Sprayable Supramolecular Hydrogel with Minimalism for Wilderness First Aid: Integration of Mechanical Performance and Biofunctionality

research Sprayable supramolecular hydrogel with minimalism for wilderness first aid: integration of mechanical performance and biofunctionality

March 2026 in “Collagen and Leather”

The hydrogel speeds up wound healing and fights bacteria, making it great for emergency use.

Interpenetrating Gelatin/Sodium Alginate Hydrogel with Controlled PRP Lysate Delivery for Accelerating Diabetic Wound Healing with Reduced Scarring

research Interpenetrating gelatin/sodium alginate hydrogel with controlled PRP lysate delivery for accelerating diabetic wound healing with reduced scarring

January 2026 in “RSC Advances”

The hydrogel speeds up diabetic wound healing and reduces scarring.

research Design Strategies of Conductive Hydrogel for Biomedical Applications

61 citations , November 2020 in “Molecules”

Conductive hydrogels show promise for medical uses like healing wounds and tissue regeneration but need improvements in safety and stability.

An Injectable Ibuprofen Sustained-Release Composite Hydrogel System Effectively Accelerates Diabetic Wound Healing Via Anti-Inflammatory Effects And Angiogenesis

research An Injectable Ibuprofen Sustained-Release Composite Hydrogel System Effectively Accelerates Diabetic Wound Healing via Anti-Inflammatory Effects and Angiogenesis

9 citations , April 2025 in “International Journal of Nanomedicine”

An injectable ibuprofen gel speeds up diabetic wound healing by reducing inflammation and promoting tissue growth.

Influence of Saw Palmetto and Pygeum Africana Extracts on the Urinary Concentrations of Endogenous Anabolic Steroids: Relevance to Doping Analysis

research Influence of Saw palmetto and Pygeum africana extracts on the urinary concentrations of endogenous anabolic steroids: Relevance to doping analysis

2 citations , December 2020 in “Phytomedicine plus”

Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.

research The reduction of selenium(IV) by boreal Pseudomonas sp. strain T5-6-I – Effects on selenium(IV) uptake in Brassica oleracea

22 citations , August 2019 in “Environmental research”

Pseudomonas sp. T5-6-I bacteria increase selenium uptake in Brassica oleracea plants by 130%.

research Novel iron oxide nanocarriers loading finasteride or dutasteride: Enhanced skin penetration for topical treatment of alopecia

12 citations , July 2020 in “International Journal of Pharmaceutics”

Iron oxide nanoparticles improve skin penetration and drug release for hair loss treatment.

research THE CHEMISTRY MECHANISM OF HAIR DYES

1 citations , December 2022 in “Middle East Journal of Science”

Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

Tannic Acid Modified Keratin/Sodium Alginate/Carboxymethyl Chitosan Biocomposite Hydrogels With Good Mechanical Properties And Swelling Behavior

research Tannic acid modified keratin/sodium alginate/carboxymethyl chitosan biocomposite hydrogels with good mechanical properties and swelling behavior

30 citations , June 2024 in “Scientific Reports”

The hydrogel shows promise for wound healing due to its strong mechanical, antimicrobial, and antioxidant properties.

research Mechanical and biological properties of keratose biomaterials

140 citations , August 2011 in “Biomaterials”

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.