research Synthesis of N-Substituted 3-Oxo-17b- carboxamide-4-aza-5a-androstanes and the Tautomerism of 3-Oxo-4-aza-5-androstenes
Researchers made two new compounds that could be used for medicine.
Search
for
Sort by
Research
90-120 / 1000+ results research Liquid Chromatography-Mass Spectrometry Based Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated L-Cysteine
Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
research Hair growth measurement using intradermal sulfur 35 cystine
The method accurately measures hair growth with minimal risk and is better than other methods.
research Study on Extraction of L-cystine from Cattle Hair
research A rapid screening LC‐MS/MS method based on conventional HPLC pumps for the analysis of low molecular weight xenobiotics: application to doping control analysis
A quick method was developed to detect banned substances in urine for doping control.
research A Sensitive Assay for the Enzyme Activity in Hair Follicles and Epidermis that Catalyses the Peptidyl-Arginine-Citrulline Post-translational Modification
A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
research Reduction mechanism of L ‐cysteine on keratin fibers using microspectrophotometry and Raman spectroscopy
L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
research Uptake of sulfur-35 in human hair.
Sulfur-35 can be used to track hair growth and past exposure.
research STUDY ON EXTRACTION OF L-CYSTINE BY ACID-HYDROLYSIS OF HAIRS
research High resolution full scan liquid chromatography mass spectrometry comprehensive screening in sports antidoping urine analysis
The method effectively detects banned substances in urine for sports antidoping.
research Application of XANES profiles to X-ray spectromicroscopy for biomedical specimens: Part II. Mapping oxidation state of cysteine in human hair
Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
research Colorimetric assay for γ-glutamyl transpeptidase
The document concludes that measuring γ-glutamyl transpeptidase activity is more accurate with a higher substrate concentration and using diluted acetic acid to stop the reaction.
research Repeatable Perming via Thiol–Michael Click Reaction: Using Amide Derived from Maleic Acid and Cystine
A new perming method is less damaging to hair and works as well as traditional methods.
research A fast liquid chromatographic/mass spectrometric screening method for the simultaneous detection of synthetic glucocorticoids, some stimulants, anti‐oestrogen drugs and synthetic anabolic steroids
A quick method effectively detects banned substances in urine.
research Treatment of Cystathionine β-Synthase Deficiency in Mice Using a Minicircle-Based Naked DNA Vector
MC-DNA vector-based gene therapy can temporarily treat CBS deficiency in mice.
research A HISTOCHEMICAL TEST FOR CITRULLINE ADAPTATION OF THE CARBAMIDO DIACETYL REACTION TO HISTOLOGIC SECTIONS WITH POSITIVE RESULTS IN PILOMATRIXOMAS (CALCIFYING EPITHELIOMAS)
A new test more accurately detects citrulline in hair follicles and pilomatrixomas.
research Design, Synthesis, and Preclinical Evaluation of Prostate-Specific Membrane Antigen Targeted 99mTc-Radioimaging Agents
Researchers developed promising agents for prostate cancer imaging, with the best one showing high potential for clinical use.
research The effect of dietary modulation of sulfur amino acids on cystathionine β synthase–deficient mice
Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
research Cystatin M/E Is a High Affinity Inhibitor of Cathepsin V and Cathepsin L by a Reactive Site That Is Distinct from the Legumain-binding Site
Cystatin M/E strongly inhibits cathepsin V and cathepsin L, important for skin formation.
research Effects of the Usage of l-Cysteine (l-Cys) on Human Health
L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
research Simultaneous RP-HPLC-DAD determination of dansyl amino acids in chemically treated human hair
A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
![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 The Influence of Electrode Potentials on the Extent of Reduction of Cystine in Hair Fibers by Reducing Agents
The effectiveness of reducing agents on hair fibers depends on their electrode potentials.
research The occurrence of the ε-(γ-glutamyl)lysine cross-link in the medulla of hair and quill
research Mapping the accessibility of the disulfide crosslink network in the wool fiber cortex
Cysteines in wool fibers are accessible and form important disulfide bonds.
research Decision letter: Structural basis of malodour precursor transport in the human axilla
The study identified a key protein involved in producing underarm odor and found ways to inhibit it.
research Rapid Characterization of the Functional and Pharmacological Consequences of Cantú Syndrome KATPChannel Mutations in Intact Cells
Kir6.1 mutations in Cantú syndrome increase channel sensitivity and hyperpolarization, while SUR2B mutations do not.
research Characterisation of Myotonic Dystrophy type I cell models and drug evaluation by a cell- based quantification platform.
research [Lupus cystitis and peritonitis successfully treated with intravenous cyclophosphamide pulse therapy: a case report].
Intravenous cyclophosphamide effectively treated steroid-resistant lupus cystitis and peritonitis.
research Matrix matching in quantitative bioanalysis by LC–MS/MS a dream or a reality?
Accurate quantitative bioanalysis using LC-MS/MS is challenging due to matrix effects, but using internal standards and new methods like in-sample calibration could improve results.