diff --git a/Qrious/Base.lproj/LaunchScreen.storyboard b/Qrious/Base.lproj/LaunchScreen.storyboard
index 09371d3..18ee6cd 100644
--- a/Qrious/Base.lproj/LaunchScreen.storyboard
+++ b/Qrious/Base.lproj/LaunchScreen.storyboard
@@ -15,9 +15,8 @@
                         <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                         <subviews>
-                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" usesAttributedText="YES" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="gdb-a2-TI2">
-                                <rect key="frame" x="117" y="412" width="180" height="72"/>
-                                <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" usesAttributedText="YES" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="gdb-a2-TI2">
+                                <rect key="frame" x="50" y="144" width="314" height="618"/>
                                 <attributedString key="attributedText">
                                     <fragment content="Qrious">
                                         <attributes>
@@ -30,6 +29,12 @@
                             </label>
                         </subviews>
                         <color key="backgroundColor" systemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <constraints>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="bottom" secondItem="gdb-a2-TI2" secondAttribute="bottom" constant="100" id="BCz-JW-oZR"/>
+                            <constraint firstItem="gdb-a2-TI2" firstAttribute="leading" secondItem="6Tk-OE-BBY" secondAttribute="leading" constant="50" id="Jec-Zw-8Pf"/>
+                            <constraint firstItem="6Tk-OE-BBY" firstAttribute="trailing" secondItem="gdb-a2-TI2" secondAttribute="trailing" constant="50" id="LSK-up-IEe"/>
+                            <constraint firstItem="gdb-a2-TI2" firstAttribute="top" secondItem="6Tk-OE-BBY" secondAttribute="top" constant="100" id="O8W-TU-BvS"/>
+                        </constraints>
                         <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
                     </view>
                 </viewController>
diff --git a/Qrious/ContentView.swift b/Qrious/ContentView.swift
index 87c7eb2..f884e7f 100644
--- a/Qrious/ContentView.swift
+++ b/Qrious/ContentView.swift
@@ -47,12 +47,15 @@ class FetchToDo: ObservableObject {
             }
         }.resume()
     }
-    func fetchAgain(q: String = "Hepatitis+B+Virus+Silico",p: String = "10",limit: Bool = false) {
+    func fetchAgain(q: String = "Hepatitis+B+Virus+Silico",p: String = "10",limit: Bool = false, prepints: Bool = false) {
         var s = "https://api.figshare.com/v2/articles/search?search_for=\(q.replacingOccurrences(of: " ", with: "+"))&page_size=\(p)"
         //var request = URLRequest(url: URL(string: "https://api.figshare.com/v2/articles/search?search_for=\(q)&page_size=\(p)")!)
         if limit {
             s += "&group=13668"
         }
+        if prepints {
+            s += "&item_type=12"
+        }
         print(s, limit)
         var request = URLRequest(url: URL(string: s)!)
         request.httpMethod = "POST"
@@ -114,6 +117,7 @@ struct ContentView: View {
     @State private var ques: String = configuration().question
     //"Results show what top compounds?"
     @State public var LimitToChemrxiv: Bool = false
+    @State private var LimitToPreprints: Bool = false
     @ObservedObject var fetch = FetchToDo()
     //let bert = BERTQAFP16()
     var body: some View {
@@ -150,6 +154,11 @@ struct ContentView: View {
                                     Text("Limit to ChemRxiv")
                                 }
                             }
+                            HStack{
+                                Toggle(isOn: $LimitToPreprints){
+                                    Text("Limit to Preprints")
+                                }
+                            }
                         }
                     }
                         
@@ -160,7 +169,7 @@ struct ContentView: View {
                         
                     
                     Section{
-                        Button(action: {self.fetch.fetchAgain(q: self.query, p: String(self.noOfArticles), limit: self.LimitToChemrxiv)}){
+                        Button(action: {self.fetch.fetchAgain(q: self.query, p: String(self.noOfArticles), limit: self.LimitToChemrxiv, prepints: self.LimitToPreprints)}){
                             Text("Get Papers")
                         }
                     }