research Quantification of biotin in plasma samples by column switching liquid chromatography – tandem mass spectrometry
The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
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research PSAT217 Estrogen Deficiency as a Cause of Decreased 1- alpha - hydroxylase Activity
Estrogen deficiency can reduce the enzyme activity needed to activate vitamin D.
research Testosterone-stimulated weanlings as an alternative to castrated male rats in the Hershberger anti-androgen assay
Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.
research MON-407 The Double-Edged Sword of Methimazole: Managing Graves' Disease with a Twist
Methimazole can cause severe low platelet count in Graves' disease patients, so monitoring and alternative treatments are important.
![The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route](/images/research/73bab8dc-bdf0-45e3-8ef7-73d0d4b93cb1/small/21074.jpg)
research The synthesis of (−)-4-methyl-8-chloro-trans-1,2,3,4,4a,5,6,10b-octahydrobenzo-[f]-quinolin-3-one-[3-14C] (LY300502-14C]) via a circuitous route
Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
research Parenteral Nutrition Trace Element Product Shortage Considerations
Use oral or enteral supplements when possible and reserve IV trace elements for those solely dependent on PN.
research PSA concentration change in men taking low dose finasteride and dutasteride for male androgenetic alopecia
research In vitro [7-3H]-testosterone metabolism by the rat ventral prostate—Effect of some exogenous compounds
research Segmental hair analysis as a retrospective testosterone diary: possibilities and pitfalls
Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
research HPTLC assay of nicotine and cotinine in biological samples
A new method effectively measures nicotine and cotinine in blood and urine for forensic analysis.
research SIMULTANEOUS QUANTIFICATION OF MINOXIDIL AND FINASTERIDE IN BULK AND PHARMACEUTICAL DOSAGE FORM BY RP-HPLC METHOD
A reliable method was developed to measure Minoxidil and Finasteride accurately in medicines.
research Development and validation of a reversed-phase HPLC method for simultaneous determination of doxazosin mesylate and finasteride
Created method to measure doxazosin mesylate and finasteride together.
research Effects of depot medroxyprogesterone acetate, the copper IUD and the levonorgestrel implant on testosterone, sex hormone binding globulin and free testosterone levels: ancillary study of the ECHO randomized clinical trial
The levonorgestrel implant increases free testosterone and lowers SHBG more than DMPA-IM and the copper IUD.
research The use of electron spin resonance techniques to determine gamma ray exposure of $\alpha$-keratin in human hair
Whole hair strands can reliably measure gamma ray exposure using ESR techniques, but samples should be analyzed quickly or stored in liquid nitrogen.
research Colour Dilution Alopecia (CDA) in Ten yorkshire Terriers
Yorkshire Terriers with Colour Dilution Alopecia have reduced melanin and hair structure issues.
research SRXRF elemental mapping and source analysis of Pb,Fe,Cu and Zn in human hair from an inhabitant in a lead-zinc mining area
Lead levels in hair increased due to environmental exposure, while iron, copper, and zinc levels stayed stable.
research STABILITY INDICATING AN LC-ESI-MS/MS METHOD FOR THE QUANTIFICATION OF MINOXIDIL IN PHARMACEUTICAL DOSAGE FORMS
The method accurately measures Minoxidil in drugs and is reliable for routine use.
research Ion Sequential Therapy Aligned With Pathological Changes Enhances Cardiac Function After Myocardial Infarction
Ion sequential therapy improves heart function after a heart attack.
research Ishige sinicola extract stimulates osteoblast proliferation and differentiation via the bone morphogenetic protein 2/runt-related gene 2 signalling pathway
Ishige sinicola extract helps bone-building cells grow and mature, which could aid in treating osteoporosis.
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.
A new method accurately measures finasteride levels in human plasma.
research Sequential Hair Shaft as an Indicator of Prior Mineralization in the Alaskan Moose2
Moose hair can track past mineral levels, except zinc.
research A quantitative ultra-performance liquid chromatography high-resolution mass spectrometry analysis of steroids from human scalp hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
research STANDARDISATION AND COMPARISON OF DIFFERENT METHODS FOR PREPARING PLATELET RICH PLASMA
The syringe method is better for preparing platelet-rich plasma.
research GC-MS determination of steroids related to androgen biosynthesis in human hair with pentafluorophenyldimethylsilyl–trimethylsilyl derivatisation
The method accurately measures certain steroids in human hair, showing different levels in males and females.
research Are Women with Polycystic Ovary Syndrome at Increased Risk of Alzheimer Disease? Lessons from Insulin Resistance, Tryptophan and Gonadotropin Disturbances and Their Link with Amyloid-Beta Aggregation
Women with PCOS may have a higher risk of Alzheimer's disease.
research Use of Mannitol Diuresis to Reduce Cis-Platinum Nephrotoxicity
Mannitol diuresis allows higher doses of cis-platinum for testicular cancer treatment without increasing kidney damage.
research 5α-reduction of epitestosterone is catalysed by human SRD5A1 and SRD5A2 and increases androgen receptor transactivation
5α-reductases increase epitestosterone's effect on androgen receptors.
research Cyproterone Acetate Quantification in Human Plasma by High-performance Liquid Chromatography Coupled to Atmospheric Pressure Photoionization Tandem Mass Spectrometry
The method accurately measures cyproterone acetate in plasma, showing no significant difference between two formulations.
research The Utilization of Sex Hormone Antibodies for Screening and Separation of Trace Biological Mixtures
Sex hormone antibodies can help identify male and female contributors in forensic samples.