Osama Mohamed

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Articles

Green Synthesis of Silver Nanoparticles Using Sudanese Candida parapsilosis: A Sustainable Approach to Combat Antimicrobial Resistance

Jan 22, 2025 | biorxiv.org | Osama Mohamed

AbstractBackground: Antimicrobial resistance (AMR) is a major global health threat, particularly in Sudan, where the overuse and misuse of antibiotics have led to the emergence and spread of multidrug-resistant (MDR) pathogens. Traditional methods to address AMR often fail to provide sustainable solutions. Nanotechnology offers promising alternatives, with silver nanoparticles (AgNPs) demonstrating broad-spectrum antimicrobial properties.
Cryptic Cerulenin Rearrangement in Ketosynthase Covalent Inhibition

Apr 30, 2024 | pubs.acs.org | Ziran Jiang |Jeffrey Chen |Osama Mohamed |Jennifer Huynh
Cryptic Cerulenin Rearrangement in Ketosynthase Covalent Inhibition

Apr 30, 2024 | dx.doi.org | Ziran Jiang |Jeffrey Chen |Osama Mohamed |Jennifer Huynh
Factorial

Oct 16, 2023 | osama-mohamed.medium.com | Osama Mohamed

Understanding RecursionRecursion occurs when a function calls itself within its body. Recursive functions must have a base case to stop the recursion. otherwise, the function will continue calling itself indefinitely.
Fibonacci Sequence

Oct 14, 2023 | osama-mohamed.medium.com | Osama Mohamed

def fibonacci(num):This line defines a function called fibonacci(). The function takes one argument, num, and returns the Fibonacci number of num. if num == 0: return 0 This line checks if num is equal to 0, the function immediately returns 0. if num == 1: return 1 This line checks if num is equal to 1, the function immediately returns 1. This is because the first two numbers in the Fibonacci sequence are 0 and 1, and all other numbers in the sequence are the sum of the two previous numbers.
Leap Years

Oct 11, 2023 | osama-mohamed.medium.com | Osama Mohamed

The code provided prints leap years from the range of years given:def leap_years(start_year, end_year):This line defines a function called leap_years() which takes two arguments: start_year and end_year. The function will return a list of leap years between the range of years given. This line creates an empty list called leap_years. This list will be used to store the leap years that the function finds.
Rangoli

Oct 7, 2023 | osama-mohamed.medium.com | Osama Mohamed

Here is a line-by-line explanation of the code provided:def rangoli(size):"""Prints a rangoli pattern of the specified size to the console. Args: size: The size of the rangoli pattern. """ This line defines a function called rangoli(), which takes a single integer parameter called size. The function will print a rangoli pattern of the specified size to the console. The size parameter specifies the number of letters in the longest line of the rangoli pattern.
Hollow Square

Oct 3, 2023 | osama-mohamed.medium.com | Osama Mohamed

The code provided prints a hollow square with stars on all four borders, with a side length of 6 units. The code works as follows: The first line assigns the value 6 to the variable rows. This variable represents the side length of the square. The second line starts a for loop that iterates over the rows of the square. The variable row represents the current row. The third line starts a nested for loop that iterates over the columns of the square.