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GlossaryMass Spectrometry

measures mass-to-charge ratios of ions in a sample

Mass Spectrometry (MS) is an analytical technique used to measure the mass-to-charge ratio of ions. It helps identify the composition of a sample by generating a spectrum that displays the masses of its components, making it invaluable in fields like chemistry, biology, and medicine for detecting and quantifying molecules, including proteins and metabolites.

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Research

5 / 1000+ results

research Determination Method for Steroid 5α-Reductase Activity Using Liquid Chromatography/Atmospheric Pressure Chemical Ionization–Mass Spectrometry

13 citations , October 2005 in “Analytical Sciences”

A new method was developed to measure and assess the activity and inhibition of the enzyme steroid 5α-reductase.

research Silver Oxide Based Nanoparticle Assisted Laser Desorption/Ionization Mass Spectrometry for the Detection of Low Molecular Weight Compounds

11 citations , January 2014 in “Mass spectrometry”

Silver oxide nanoparticles help detect small molecules effectively.

research How storage post sampling influences the stability of sebum when used for mass spectrometry metabolomics analysis?

7 citations , September 2024 in “Scientific Reports”

Sebum samples remain stable under various storage conditions, making them suitable for remote and at-home testing.

research A rapid, simple, liquid chromatographic-electrospray ionization, ion trap mass spectrometry method for the determination of finasteride in human plasma and its application to pharmacokinetic study.

5 citations , January 2012 in “PubMed”

A new method accurately measures finasteride levels in human plasma.

research Characterization of spironolactone and metabolites derivatized using Girard's reagent P using mass spectrometry and ion mobility spectrometry

4 citations , May 2024 in “Rapid Communications in Mass Spectrometry”

Girard's reagent P improves detection of spironolactone and its metabolites.

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community Liquid Chromatography–Mass Spectrometry (LC-MS) VS Enzyme-Linked Immunosorbent Assay (ELISA)

in Research/Science 4 upvotes 1 year ago

Finasteride and Nizoral shampoo with Ketoconazole are used for hair loss treatment. Liquid Chromatography–Mass Spectrometry (LC-MS) is recommended over Enzyme-Linked Immunosorbent Assay (ELISA) for more accurate DHT testing.

community Unexpected Serum DHT Elevation after Generic Dutasteride Use.

in Finasteride/Dutasteride 38 upvotes 1 year ago

Switching from finasteride to a generic dutasteride led to unexpectedly high DHT levels, prompting a switch to a reputed brand and consideration of softgel capsules for better absorption. The user plans to retest DHT levels and may return to finasteride if issues persist.

community Interpreting pre-finisteride blood panels

in Chat 2 upvotes 1 year ago

The conversation is about someone planning to start finasteride for hair loss and wanting to interpret pre-treatment blood panels to assess the risk of side effects like gynecomastia. They list various tests to measure hormone levels and other health indicators.

community Feel like I'm a reasonably good responder

in Is this regrowth? 274 upvotes 1 year ago

The user "OP" reported significant hair regrowth using oral finasteride, oral and topical minoxidil, ketoconazole shampoo, and derma stamping. OP experienced initial shedding but no other side effects.

community Dutasteride SAVES your hair follicles: MAJOR BS on people who say it destroyed their hair permanently.

in Finasteride/Dutasteride 158 upvotes 2 years ago

The conversation discusses the effectiveness of hair loss treatments, specifically finasteride and dutasteride. The conclusion is that dutasteride significantly reduces DHT levels and may be more effective than finasteride for long-term hair retention, with some users reporting personal experiences and side effects.

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