Proteins are large molecules composed of amino acid chains. They are not directly absorbed in their complete form by the human body. Instead, during digestion, proteins are broken down into their individual amino acids or small chains of amino acids (peptides) by enzymes. These amino acids and peptides are then absorbed through the small intestine's lining into the bloodstream. The process ensures that the body can utilize dietary proteins for various functions, including tissue repair, hormone production, and as an energy source when necessary. Thus, it is essential for proteins to be broken down into their constituent amino small acids or peptides for absorption and utilization by the body.

When comparing the longevity of printer ink between laser and inkjet printers, laser printers generally come out ahead. Laser printers use toner, a powder, while inkjet printers use liquid ink. Toner does not dry out or evaporate as ink can, which is particularly an issue in inkjet printers if they are not used frequently. Consequently, for users with infrequent printing needs or who require long-lasting prints, laser printers are typically more cost-effective in the long term. Additionally, toner cartridges for laser printers usually have a higher page yield compared to ink cartridges from inkjet printers, meaning they can produce more printed pages before needing a replacement, thus providing a better return on investment over time. However, the initial cost of laser printers and their toner cartridges can be higher than their inkjet counterparts, which might be a consideration for some users.

Shrinking inkjet-printed tissue is challenging because the tissue paper itself cannot withstand heat or moisture without damage, and the ink may smear. However, a technique involves using fixatives or coatings like hairspray, acrylic spray, or a fabric fixative after printing to protect the print. Then, to shrink the tissue, instead of applying heat directly, you would need to mount it to a shrinkable material like shrink film or heat-shrink fabric that's compatible with inkjet prints. Adhere your printed tissue to this substrate using a suitable adhesive or process as per the material's recommendations. After affixation, you can then apply heat as directed for the shrinkable material, keeping the temperature low to avoid damaging the tissue or causing the ink to run.