using System;

using System.Net.Http;

using Newtonsoft.Json;

using Microsoft.AspNetCore.WebUtilities;

public class Program

{

    static readonly HttpClient client = new HttpClient();

    public static void Main()

    {

        var url = "https://api.plos.org/";

        if (!url.EndsWith("/")) url += "/";

        if (!url.EndsWith("search")) url = $"{url}/search";

        url = QueryHelpers.AddQueryString(url, "q", "title:DNA");

        string result = client.GetStringAsync(url).GetAwaiter().GetResult();

        var something = JsonConvert.DeserializeObject(result);

        Console.WriteLine(something);

    }

}