Get expression equal from string

gistfile1.cs

Func<T, bool> GetExpressionOfEquals<T>(string propertyName, string equalsTo)
{
    var parameter = Expression.Parameter(typeof(T));
    var property = Expression.Property(parameter, propertyName);
    var binaryExpression = Expression.Equal(property, Expression.Constant(equalsTo));

    var lambda = Expression.Lambda<Func<T, bool>>(binaryExpression, "Teste", new[] { parameter });
    var expression = lambda.Compile();

    return expression;
}