Publications by authors named "M Cuellar"
Forensic toolmark analysis traditionally relies on subjective human judgment, leading to inconsistencies and lack of transparency. The multitude of variables, including angles and directions of mark generation, further complicates comparisons. To address this, we first generate a dataset of 3D toolmarks from various angles and directions using consecutively manufactured slotted screwdrivers.
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- The study looks at how the environment and our genes can affect health, especially in young kids.
- Researchers studied 416 Colombian children under 5 years old to see how different factors, like pollution and diet, impact DNA damage.
- They found that some things, like being exposed to air pollution and living in crowded places, can increase DNA damage, while others, like drinking soft drinks, might actually help reduce it.
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- This study examined different irrigation techniques to see how they affect the amount of bacteria expelled during root canal procedures using Reciproc files.
- Researchers used conventional syringe irrigation and passive ultrasonic irrigation (PUI) with varying activation cycles on 70 contaminated human premolars, organizing them into six experimental groups.
- Results showed that using the smaller Reciproc file (25/0.08) led to more bacterial extrusion, especially when PUI was applied, while the larger file (40/0.06) resulted in less extrusion overall.
Brassinosteroids (BRs) are an important group of polyhydroxylated naturally occurring steroidal phytohormones found in the plant kingdom in extremely low amounts. Due to the low concentrations in which these compounds are found, much effort has been dedicated to synthesizing these compounds or their structural analogs using natural and abundant sterols. In this work, we report the synthesis of new brassinosteroid analogs obtained from hyodeoxycholic acid, with a 3,6 dioxo function, 24-Nor-22()-hydroxy side chain and -substituted benzoate function at C-23.
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