![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.
Search
for
Sort by
Research
840-870 / 1000+ results 
research Altered Polyamine Profiling in the Hair of Patients with Androgenic Alopecia and Alopecia Areata
The conclusion is that balancing cost and carbon emissions in hybrid power systems is crucial, especially when high reliability is needed, but the model needs to consider all device efficiencies and distribution losses.
research Multifunctional Photoactive Hydrogels for Wound Healing Acceleration
Special hydrogels that respond to light can speed up wound healing and prevent infection.
research Characteristics of Stable Isotope Signature of Diet in Tissues of Captive Japanese Macaques as Revealed by Controlled Feeding
More research is needed to understand how diet affects isotope signatures in Japanese macaque tissues.
research Skin Lesions in Drug Addicts
Drug addicts often have scars, skin color changes, blocked veins, and bruising, with severe ulcers from barbiturate injections.
research Peri-Xanthenoxanthene (PXX): A Versatile Organic Photocatalyst in Organic Synthesis
PXX is an effective and affordable photocatalyst for creating new chemical bonds in organic synthesis.
research Organic and Biogenic Nanocarriers as Bio-Friendly Systems for Bioactive Compounds Delivery: State-of-the-Art and Challenges
Organic and biogenic nanocarriers can improve drug delivery but face challenges like consistency and safety.
research The 39th Manfred Donike Workshop on Doping Analysis
The 39th Manfred Donike Workshop discussed methods for detecting misuse of steroids, gene doping, and the complexity of identifying drug residues in urine, highlighting the ongoing efforts to improve global anti-doping work.
research Electrochemical Detector for Liquid Chromatography: Determining Minoxidil in Hair-Growth Pharmaceuticals
The method effectively detects minoxidil in hair-growth products.
research Electrochemical Determination of Minoxidil in Different Pharmaceutical Formulations by Flow Injection Analysis
Method accurately measures minoxidil concentration in medicines.
research Herding Practices in the Keriya Valley (Xinjiang, China) During the Bronze and Iron Ages Using Stable Isotopic Analysis of Animal Hair
Ancient herders in the Keriya Valley fed their animals mainly C3 plants, with some C4 plant feeding possibly due to herd movement or seasonal changes.
research The Role of Androgen Therapy
Androgens, male hormones, play a role in both men and women's health, and testosterone therapy can help women with low levels, but it's not suitable for pregnant or lactating women, or those with certain conditions.
research 5α-Reductase Inhibitors: Evaluation of Their Potential Confounding Effect on GC-C-IRMS Doping Analysis
5α-reductase inhibitors can interfere with doping tests by masking banned substances.
![Synthesis and In Vitro Study of 17β-[N-Ureylene-N,N′-Disubstituted]-4-Methyl-4-Aza-5α-Androstan-3-Ones as Selective Inhibitors of Type I 5α-Reductase](/images/research/d19df8a7-8de6-4430-8a0d-4ffa1f502985/small/15608.jpg)
research Synthesis and In Vitro Study of 17β-[N-Ureylene-N,N′-Disubstituted]-4-Methyl-4-Aza-5α-Androstan-3-Ones as Selective Inhibitors of Type I 5α-Reductase
New compounds were made that effectively block a specific enzyme related to androgen conditions.
research Editorial: Synthesis, Functionalization, and Clinical Translation of Pharmaceutical Biomaterials
New pharmaceutical biomaterials, especially nanomaterials, show promise for improving cancer treatment and disease diagnosis.
![Integrating Multi-Omics Analyses of Nonomuraea Dietziae to Reveal the Role of Soybean Oil in [(4′-OH)MeLeu]4-CsA Overproduction](/images/research/0eba9759-3aa4-4a06-a70a-2d9c46be53f3/small/23018.jpg)
research Integrating Multi-Omics Analyses of Nonomuraea Dietziae to Reveal the Role of Soybean Oil in [(4′-OH)MeLeu]4-CsA Overproduction
Adding soybean oil to Nonomuraea dietziae increases production of a beneficial compound by improving metabolism and enzyme systems.
research New Frontiers in CRISPR/Cas9 Delivery Systems for Gene Editing
Efficient delivery systems are needed for the clinical use of CRISPR-Cas9 gene editing.
research High-Resolution Stable Isotope Profiles of Modern Elephant (Loxodonta Africana) Tusk Dentin and Tail Hair from Kenya: Implications for Identifying Seasonal Variability in Climate, Ecology, and Diet in Ancient Proboscideans
Elephant tusks and hair reveal seasonal diet and climate changes.
research Effect of Solvent on Stereoselectivity in Pd/C (Type 39K)-Catalyzed Hydrogenation of Methyl 3-Oxo-4-Aza-5-Androstene-17-Carboxylate, a Key Intermediate for Finasteride and Dutasteride
Alcoholic solvent improves selectivity in key intermediate for finasteride and dutasteride synthesis.
research Steroid Hormones: Overview and Medical Applications
Steroid hormones are crucial for body functions and have various medical uses, but their misuse can lead to dependence.
research Percutaneous Absorption of Minoxidil in Humans
Minoxidil absorbs poorly through skin, with low risk of side effects at 1-2% concentration.
research Study on Modification of Rabbit Hair Fibers with L-Cysteine
L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
research Baiting Proteins with C60
C60 fullerenes can alter protein function and may help develop new disease inhibitors.
research Improving Stable Isotopic Interpretations Made From Human Hair Through Reduction of Growth Cycle Error
The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
research Role of S-Palmitoylation by ZDHHC13 in Mitochondrial Function and Metabolism in Liver
ZDHHC13 is important for normal liver function and metabolism, affecting mitochondrial activity.
research Design and Synthesis of Novel Androgen Receptor Antagonists with Sterically Bulky Icosahedral Carboranes
New compounds with carborane showed anti-androgen effects similar to flutamide.
research Drug Delivery Applications of Three-Dimensional Printed Mesoporous Scaffolds
3D-printed mesoporous scaffolds show promise for personalized drug delivery with controlled release.
research Synthesis and Structure–Activity Studies of Side-Chain Derivatized Arylhydantoins for Investigation as Androgen Receptor Radioligands
The nature of the side chain in RU 58841 derivatives greatly affects its AR affinity, with the N-(iodopropenyl) derivative 13 showing the highest AR binding affinity, suggesting its potential for developing high-affinity radioiodinated AR radioligands.
research Palladium Nanoparticles on a Pyridinium Supported Ionic Liquid Phase: A Recyclable and Low-Leaching Palladium Catalyst for Aminocarbonylation Reactions
The new palladium catalyst is effective and reusable for making pharmaceutical ingredients.
research Formulation and Physical Quality Tests of Hair Fertilizer Preparations from Lemongrass (Chrysopogon Zizanioides) and VCO (Virgin Coconut Oil)
The hair oil with lemongrass and coconut oil promotes hair growth effectively.