ChemCafe — science, chemistry and physics made simple – Page 198 of 276 – Chem Cafe is a place to share and discuss new scientific research. Read about the latest advances in chemistry, physics, astronomy, biology, medicine, social science, and more. Find and submit new publications and popular science coverage of current research.

Posted inin Molecular

Insertion Mutations: Mechanisms, Impact, and Real-World Examples

Posted byby Franklin Veaux
2 months ago
0 Comments
4 min

Understanding Insertion Mutation An insertion mutation is a type of genetic mutation where extra nucleotides are added into a DNA sequence. This addition can disrupt the normal reading frame of...

Posted inin Chemistry

Best Free Programs for Drawing Chemical Structures: Top Tools and Insights

Posted byby Franklin Veaux
2 months ago
0 Comments
2 min

Best Free Program to Draw Chemical Structures Molview.org, Marvin Sketch, and Chemfig stand out as the best free tools for drawing chemical structures, each suited to different user needs and...

Posted inin Chemistry

Can Helium Expire? Understanding Chemical Stability and Safety Guidelines

Posted byby Franklin Veaux
2 months ago
0 Comments
2 min

Can Helium Expire? Helium does not expire. As a noble gas, helium is chemically inert. It maintains its properties indefinitely when stored properly. It remains colorless, odorless, and does not...

Posted inin Chemistry

Making Sodium Hydroxide at Home: Methods, Risks, and Precautions

Posted byby Franklin Veaux
2 months ago
0 Comments
4 min

How to Make Sodium Hydroxide at Home or with Common Materials Making sodium hydroxide (NaOH) at home or from common materials is technically possible but highly impractical and dangerous. Instead,...

Posted inin Inorganic Chemistry

Find Organic Chemistry Practice Problems: Key Resources and Test Banks

Posted byby Franklin Veaux
2 months ago
0 Comments
2 min

Where to Find Organic Chemistry Practice Problems? Organic chemistry practice problems are widely available through online test banks, spectroscopy problem sets, and specialized textbooks focused on mechanisms. These resources help...

Posted inin Molecular

Solutions for Diluted DNA Extraction: Tips to Concentrate Your Sample

Posted byby Franklin Veaux
2 months ago
0 Comments
7 min

Screwed up DNA extraction – too diluted. Halp! If your DNA sample is too diluted after extraction, the quickest way to concentrate it is ethanol precipitation. This method uses cold...

Posted inin Chemistry

Lidocaine and Benzocaine Infused Tattoo Ink: Safety, Risks, and Recommendations

Posted byby Franklin Veaux
2 months ago
0 Comments
7 min

Lidocaine and Benzocaine Infused Tattoo Ink: Safety, Usage, and Risks Lidocaine and benzocaine infused tattoo ink combines local anesthetics with tattoo pigments, aiming to reduce pain during tattooing, but this...

Posted inin Chemistry

Can NaOH Act as an Acid? Understanding Its Nature and Conditions

Posted byby Franklin Veaux
2 months ago
0 Comments
2 min

Can NaOH Act as an Acid? NaOH cannot act as an acid under normal aqueous conditions because its hydroxide ion (OH−) is a base that tends to accept protons rather...

Posted inin Molecular

Understanding Common Issues in PCR and Effective Troubleshooting Techniques

Posted byby Franklin Veaux
2 months ago
0 Comments
7 min

What Is Wrong with My PCR? When PCR results are unclear or unexpected, several factors related to the procedure and reagents might be causing the problem. These include electrophoresis settings,...

Posted inin Molecular

Hard Time Finding a Job: Key Factors and Strategies for Success

Posted byby Franklin Veaux
2 months ago
0 Comments
3 min

Hard Time Finding a Job: Key Factors and Strategies Hard time finding a job often arises from multiple factors such as degree level, experience, networking, application strategies, and job market...